diff options
Diffstat (limited to 'vendor/github.com')
36 files changed, 14249 insertions, 3974 deletions
diff --git a/vendor/github.com/golang/protobuf/LICENSE b/vendor/github.com/golang/protobuf/LICENSE index 1b1b1921e..0f646931a 100644 --- a/vendor/github.com/golang/protobuf/LICENSE +++ b/vendor/github.com/golang/protobuf/LICENSE @@ -1,7 +1,4 @@ -Go support for Protocol Buffers - Google's data interchange format - Copyright 2010 The Go Authors. All rights reserved. -https://github.com/golang/protobuf Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are diff --git a/vendor/github.com/golang/protobuf/proto/Makefile b/vendor/github.com/golang/protobuf/proto/Makefile deleted file mode 100644 index e2e0651a9..000000000 --- a/vendor/github.com/golang/protobuf/proto/Makefile +++ /dev/null @@ -1,43 +0,0 @@ -# Go support for Protocol Buffers - Google's data interchange format -# -# Copyright 2010 The Go Authors. All rights reserved. -# https://github.com/golang/protobuf -# -# Redistribution and use in source and binary forms, with or without -# modification, are permitted provided that the following conditions are -# met: -# -# * Redistributions of source code must retain the above copyright -# notice, this list of conditions and the following disclaimer. -# * Redistributions in binary form must reproduce the above -# copyright notice, this list of conditions and the following disclaimer -# in the documentation and/or other materials provided with the -# distribution. -# * Neither the name of Google Inc. nor the names of its -# contributors may be used to endorse or promote products derived from -# this software without specific prior written permission. -# -# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -install: - go install - -test: install generate-test-pbs - go test - - -generate-test-pbs: - make install - make -C testdata - protoc --go_out=Mtestdata/test.proto=github.com/golang/protobuf/proto/testdata,Mgoogle/protobuf/any.proto=github.com/golang/protobuf/ptypes/any:. proto3_proto/proto3.proto - make diff --git a/vendor/github.com/golang/protobuf/proto/clone.go b/vendor/github.com/golang/protobuf/proto/clone.go index e392575b3..3cd3249f7 100644 --- a/vendor/github.com/golang/protobuf/proto/clone.go +++ b/vendor/github.com/golang/protobuf/proto/clone.go @@ -35,22 +35,39 @@ package proto import ( + "fmt" "log" "reflect" "strings" ) // Clone returns a deep copy of a protocol buffer. -func Clone(pb Message) Message { - in := reflect.ValueOf(pb) +func Clone(src Message) Message { + in := reflect.ValueOf(src) if in.IsNil() { - return pb + return src } - out := reflect.New(in.Type().Elem()) - // out is empty so a merge is a deep copy. - mergeStruct(out.Elem(), in.Elem()) - return out.Interface().(Message) + dst := out.Interface().(Message) + Merge(dst, src) + return dst +} + +// Merger is the interface representing objects that can merge messages of the same type. +type Merger interface { + // Merge merges src into this message. + // Required and optional fields that are set in src will be set to that value in dst. + // Elements of repeated fields will be appended. + // + // Merge may panic if called with a different argument type than the receiver. + Merge(src Message) +} + +// generatedMerger is the custom merge method that generated protos will have. +// We must add this method since a generate Merge method will conflict with +// many existing protos that have a Merge data field already defined. +type generatedMerger interface { + XXX_Merge(src Message) } // Merge merges src into dst. @@ -58,17 +75,24 @@ func Clone(pb Message) Message { // Elements of repeated fields will be appended. // Merge panics if src and dst are not the same type, or if dst is nil. func Merge(dst, src Message) { + if m, ok := dst.(Merger); ok { + m.Merge(src) + return + } + in := reflect.ValueOf(src) out := reflect.ValueOf(dst) if out.IsNil() { panic("proto: nil destination") } if in.Type() != out.Type() { - // Explicit test prior to mergeStruct so that mistyped nils will fail - panic("proto: type mismatch") + panic(fmt.Sprintf("proto.Merge(%T, %T) type mismatch", dst, src)) } if in.IsNil() { - // Merging nil into non-nil is a quiet no-op + return // Merge from nil src is a noop + } + if m, ok := dst.(generatedMerger); ok { + m.XXX_Merge(src) return } mergeStruct(out.Elem(), in.Elem()) @@ -84,7 +108,7 @@ func mergeStruct(out, in reflect.Value) { mergeAny(out.Field(i), in.Field(i), false, sprop.Prop[i]) } - if emIn, ok := extendable(in.Addr().Interface()); ok { + if emIn, err := extendable(in.Addr().Interface()); err == nil { emOut, _ := extendable(out.Addr().Interface()) mIn, muIn := emIn.extensionsRead() if mIn != nil { diff --git a/vendor/github.com/golang/protobuf/proto/decode.go b/vendor/github.com/golang/protobuf/proto/decode.go index aa207298f..d9aa3c42d 100644 --- a/vendor/github.com/golang/protobuf/proto/decode.go +++ b/vendor/github.com/golang/protobuf/proto/decode.go @@ -39,8 +39,6 @@ import ( "errors" "fmt" "io" - "os" - "reflect" ) // errOverflow is returned when an integer is too large to be represented. @@ -50,10 +48,6 @@ var errOverflow = errors.New("proto: integer overflow") // wire type is encountered. It does not get returned to user code. var ErrInternalBadWireType = errors.New("proto: internal error: bad wiretype for oneof") -// The fundamental decoders that interpret bytes on the wire. -// Those that take integer types all return uint64 and are -// therefore of type valueDecoder. - // DecodeVarint reads a varint-encoded integer from the slice. // It returns the integer and the number of bytes consumed, or // zero if there is not enough. @@ -267,9 +261,6 @@ func (p *Buffer) DecodeZigzag32() (x uint64, err error) { return } -// These are not ValueDecoders: they produce an array of bytes or a string. -// bytes, embedded messages - // DecodeRawBytes reads a count-delimited byte buffer from the Buffer. // This is the format used for the bytes protocol buffer // type and for embedded messages. @@ -311,81 +302,29 @@ func (p *Buffer) DecodeStringBytes() (s string, err error) { return string(buf), nil } -// Skip the next item in the buffer. Its wire type is decoded and presented as an argument. -// If the protocol buffer has extensions, and the field matches, add it as an extension. -// Otherwise, if the XXX_unrecognized field exists, append the skipped data there. -func (o *Buffer) skipAndSave(t reflect.Type, tag, wire int, base structPointer, unrecField field) error { - oi := o.index - - err := o.skip(t, tag, wire) - if err != nil { - return err - } - - if !unrecField.IsValid() { - return nil - } - - ptr := structPointer_Bytes(base, unrecField) - - // Add the skipped field to struct field - obuf := o.buf - - o.buf = *ptr - o.EncodeVarint(uint64(tag<<3 | wire)) - *ptr = append(o.buf, obuf[oi:o.index]...) - - o.buf = obuf - - return nil -} - -// Skip the next item in the buffer. Its wire type is decoded and presented as an argument. -func (o *Buffer) skip(t reflect.Type, tag, wire int) error { - - var u uint64 - var err error - - switch wire { - case WireVarint: - _, err = o.DecodeVarint() - case WireFixed64: - _, err = o.DecodeFixed64() - case WireBytes: - _, err = o.DecodeRawBytes(false) - case WireFixed32: - _, err = o.DecodeFixed32() - case WireStartGroup: - for { - u, err = o.DecodeVarint() - if err != nil { - break - } - fwire := int(u & 0x7) - if fwire == WireEndGroup { - break - } - ftag := int(u >> 3) - err = o.skip(t, ftag, fwire) - if err != nil { - break - } - } - default: - err = fmt.Errorf("proto: can't skip unknown wire type %d for %s", wire, t) - } - return err -} - // Unmarshaler is the interface representing objects that can -// unmarshal themselves. The method should reset the receiver before -// decoding starts. The argument points to data that may be +// unmarshal themselves. The argument points to data that may be // overwritten, so implementations should not keep references to the // buffer. +// Unmarshal implementations should not clear the receiver. +// Any unmarshaled data should be merged into the receiver. +// Callers of Unmarshal that do not want to retain existing data +// should Reset the receiver before calling Unmarshal. type Unmarshaler interface { Unmarshal([]byte) error } +// newUnmarshaler is the interface representing objects that can +// unmarshal themselves. The semantics are identical to Unmarshaler. +// +// This exists to support protoc-gen-go generated messages. +// The proto package will stop type-asserting to this interface in the future. +// +// DO NOT DEPEND ON THIS. +type newUnmarshaler interface { + XXX_Unmarshal([]byte) error +} + // Unmarshal parses the protocol buffer representation in buf and places the // decoded result in pb. If the struct underlying pb does not match // the data in buf, the results can be unpredictable. @@ -395,7 +334,13 @@ type Unmarshaler interface { // to preserve and append to existing data. func Unmarshal(buf []byte, pb Message) error { pb.Reset() - return UnmarshalMerge(buf, pb) + if u, ok := pb.(newUnmarshaler); ok { + return u.XXX_Unmarshal(buf) + } + if u, ok := pb.(Unmarshaler); ok { + return u.Unmarshal(buf) + } + return NewBuffer(buf).Unmarshal(pb) } // UnmarshalMerge parses the protocol buffer representation in buf and @@ -405,8 +350,16 @@ func Unmarshal(buf []byte, pb Message) error { // UnmarshalMerge merges into existing data in pb. // Most code should use Unmarshal instead. func UnmarshalMerge(buf []byte, pb Message) error { - // If the object can unmarshal itself, let it. + if u, ok := pb.(newUnmarshaler); ok { + return u.XXX_Unmarshal(buf) + } if u, ok := pb.(Unmarshaler); ok { + // NOTE: The history of proto have unfortunately been inconsistent + // whether Unmarshaler should or should not implicitly clear itself. + // Some implementations do, most do not. + // Thus, calling this here may or may not do what people want. + // + // See https://github.com/golang/protobuf/issues/424 return u.Unmarshal(buf) } return NewBuffer(buf).Unmarshal(pb) @@ -422,12 +375,17 @@ func (p *Buffer) DecodeMessage(pb Message) error { } // DecodeGroup reads a tag-delimited group from the Buffer. +// StartGroup tag is already consumed. This function consumes +// EndGroup tag. func (p *Buffer) DecodeGroup(pb Message) error { - typ, base, err := getbase(pb) - if err != nil { - return err + b := p.buf[p.index:] + x, y := findEndGroup(b) + if x < 0 { + return io.ErrUnexpectedEOF } - return p.unmarshalType(typ.Elem(), GetProperties(typ.Elem()), true, base) + err := Unmarshal(b[:x], pb) + p.index += y + return err } // Unmarshal parses the protocol buffer representation in the @@ -438,533 +396,33 @@ func (p *Buffer) DecodeGroup(pb Message) error { // Unlike proto.Unmarshal, this does not reset pb before starting to unmarshal. func (p *Buffer) Unmarshal(pb Message) error { // If the object can unmarshal itself, let it. - if u, ok := pb.(Unmarshaler); ok { - err := u.Unmarshal(p.buf[p.index:]) + if u, ok := pb.(newUnmarshaler); ok { + err := u.XXX_Unmarshal(p.buf[p.index:]) p.index = len(p.buf) return err } - - typ, base, err := getbase(pb) - if err != nil { - return err - } - - err = p.unmarshalType(typ.Elem(), GetProperties(typ.Elem()), false, base) - - if collectStats { - stats.Decode++ - } - - return err -} - -// unmarshalType does the work of unmarshaling a structure. -func (o *Buffer) unmarshalType(st reflect.Type, prop *StructProperties, is_group bool, base structPointer) error { - var state errorState - required, reqFields := prop.reqCount, uint64(0) - - var err error - for err == nil && o.index < len(o.buf) { - oi := o.index - var u uint64 - u, err = o.DecodeVarint() - if err != nil { - break - } - wire := int(u & 0x7) - if wire == WireEndGroup { - if is_group { - if required > 0 { - // Not enough information to determine the exact field. - // (See below.) - return &RequiredNotSetError{"{Unknown}"} - } - return nil // input is satisfied - } - return fmt.Errorf("proto: %s: wiretype end group for non-group", st) - } - tag := int(u >> 3) - if tag <= 0 { - return fmt.Errorf("proto: %s: illegal tag %d (wire type %d)", st, tag, wire) - } - fieldnum, ok := prop.decoderTags.get(tag) - if !ok { - // Maybe it's an extension? - if prop.extendable { - if e, _ := extendable(structPointer_Interface(base, st)); isExtensionField(e, int32(tag)) { - if err = o.skip(st, tag, wire); err == nil { - extmap := e.extensionsWrite() - ext := extmap[int32(tag)] // may be missing - ext.enc = append(ext.enc, o.buf[oi:o.index]...) - extmap[int32(tag)] = ext - } - continue - } - } - // Maybe it's a oneof? - if prop.oneofUnmarshaler != nil { - m := structPointer_Interface(base, st).(Message) - // First return value indicates whether tag is a oneof field. - ok, err = prop.oneofUnmarshaler(m, tag, wire, o) - if err == ErrInternalBadWireType { - // Map the error to something more descriptive. - // Do the formatting here to save generated code space. - err = fmt.Errorf("bad wiretype for oneof field in %T", m) - } - if ok { - continue - } - } - err = o.skipAndSave(st, tag, wire, base, prop.unrecField) - continue - } - p := prop.Prop[fieldnum] - - if p.dec == nil { - fmt.Fprintf(os.Stderr, "proto: no protobuf decoder for %s.%s\n", st, st.Field(fieldnum).Name) - continue - } - dec := p.dec - if wire != WireStartGroup && wire != p.WireType { - if wire == WireBytes && p.packedDec != nil { - // a packable field - dec = p.packedDec - } else { - err = fmt.Errorf("proto: bad wiretype for field %s.%s: got wiretype %d, want %d", st, st.Field(fieldnum).Name, wire, p.WireType) - continue - } - } - decErr := dec(o, p, base) - if decErr != nil && !state.shouldContinue(decErr, p) { - err = decErr - } - if err == nil && p.Required { - // Successfully decoded a required field. - if tag <= 64 { - // use bitmap for fields 1-64 to catch field reuse. - var mask uint64 = 1 << uint64(tag-1) - if reqFields&mask == 0 { - // new required field - reqFields |= mask - required-- - } - } else { - // This is imprecise. It can be fooled by a required field - // with a tag > 64 that is encoded twice; that's very rare. - // A fully correct implementation would require allocating - // a data structure, which we would like to avoid. - required-- - } - } - } - if err == nil { - if is_group { - return io.ErrUnexpectedEOF - } - if state.err != nil { - return state.err - } - if required > 0 { - // Not enough information to determine the exact field. If we use extra - // CPU, we could determine the field only if the missing required field - // has a tag <= 64 and we check reqFields. - return &RequiredNotSetError{"{Unknown}"} - } - } - return err -} - -// Individual type decoders -// For each, -// u is the decoded value, -// v is a pointer to the field (pointer) in the struct - -// Sizes of the pools to allocate inside the Buffer. -// The goal is modest amortization and allocation -// on at least 16-byte boundaries. -const ( - boolPoolSize = 16 - uint32PoolSize = 8 - uint64PoolSize = 4 -) - -// Decode a bool. -func (o *Buffer) dec_bool(p *Properties, base structPointer) error { - u, err := p.valDec(o) - if err != nil { - return err - } - if len(o.bools) == 0 { - o.bools = make([]bool, boolPoolSize) - } - o.bools[0] = u != 0 - *structPointer_Bool(base, p.field) = &o.bools[0] - o.bools = o.bools[1:] - return nil -} - -func (o *Buffer) dec_proto3_bool(p *Properties, base structPointer) error { - u, err := p.valDec(o) - if err != nil { - return err - } - *structPointer_BoolVal(base, p.field) = u != 0 - return nil -} - -// Decode an int32. -func (o *Buffer) dec_int32(p *Properties, base structPointer) error { - u, err := p.valDec(o) - if err != nil { - return err - } - word32_Set(structPointer_Word32(base, p.field), o, uint32(u)) - return nil -} - -func (o *Buffer) dec_proto3_int32(p *Properties, base structPointer) error { - u, err := p.valDec(o) - if err != nil { - return err - } - word32Val_Set(structPointer_Word32Val(base, p.field), uint32(u)) - return nil -} - -// Decode an int64. -func (o *Buffer) dec_int64(p *Properties, base structPointer) error { - u, err := p.valDec(o) - if err != nil { - return err - } - word64_Set(structPointer_Word64(base, p.field), o, u) - return nil -} - -func (o *Buffer) dec_proto3_int64(p *Properties, base structPointer) error { - u, err := p.valDec(o) - if err != nil { - return err - } - word64Val_Set(structPointer_Word64Val(base, p.field), o, u) - return nil -} - -// Decode a string. -func (o *Buffer) dec_string(p *Properties, base structPointer) error { - s, err := o.DecodeStringBytes() - if err != nil { - return err - } - *structPointer_String(base, p.field) = &s - return nil -} - -func (o *Buffer) dec_proto3_string(p *Properties, base structPointer) error { - s, err := o.DecodeStringBytes() - if err != nil { - return err - } - *structPointer_StringVal(base, p.field) = s - return nil -} - -// Decode a slice of bytes ([]byte). -func (o *Buffer) dec_slice_byte(p *Properties, base structPointer) error { - b, err := o.DecodeRawBytes(true) - if err != nil { - return err - } - *structPointer_Bytes(base, p.field) = b - return nil -} - -// Decode a slice of bools ([]bool). -func (o *Buffer) dec_slice_bool(p *Properties, base structPointer) error { - u, err := p.valDec(o) - if err != nil { - return err - } - v := structPointer_BoolSlice(base, p.field) - *v = append(*v, u != 0) - return nil -} - -// Decode a slice of bools ([]bool) in packed format. -func (o *Buffer) dec_slice_packed_bool(p *Properties, base structPointer) error { - v := structPointer_BoolSlice(base, p.field) - - nn, err := o.DecodeVarint() - if err != nil { - return err - } - nb := int(nn) // number of bytes of encoded bools - fin := o.index + nb - if fin < o.index { - return errOverflow - } - - y := *v - for o.index < fin { - u, err := p.valDec(o) - if err != nil { - return err - } - y = append(y, u != 0) - } - - *v = y - return nil -} - -// Decode a slice of int32s ([]int32). -func (o *Buffer) dec_slice_int32(p *Properties, base structPointer) error { - u, err := p.valDec(o) - if err != nil { - return err - } - structPointer_Word32Slice(base, p.field).Append(uint32(u)) - return nil -} - -// Decode a slice of int32s ([]int32) in packed format. -func (o *Buffer) dec_slice_packed_int32(p *Properties, base structPointer) error { - v := structPointer_Word32Slice(base, p.field) - - nn, err := o.DecodeVarint() - if err != nil { - return err - } - nb := int(nn) // number of bytes of encoded int32s - - fin := o.index + nb - if fin < o.index { - return errOverflow - } - for o.index < fin { - u, err := p.valDec(o) - if err != nil { - return err - } - v.Append(uint32(u)) - } - return nil -} - -// Decode a slice of int64s ([]int64). -func (o *Buffer) dec_slice_int64(p *Properties, base structPointer) error { - u, err := p.valDec(o) - if err != nil { - return err - } - - structPointer_Word64Slice(base, p.field).Append(u) - return nil -} - -// Decode a slice of int64s ([]int64) in packed format. -func (o *Buffer) dec_slice_packed_int64(p *Properties, base structPointer) error { - v := structPointer_Word64Slice(base, p.field) - - nn, err := o.DecodeVarint() - if err != nil { - return err - } - nb := int(nn) // number of bytes of encoded int64s - - fin := o.index + nb - if fin < o.index { - return errOverflow - } - for o.index < fin { - u, err := p.valDec(o) - if err != nil { - return err - } - v.Append(u) - } - return nil -} - -// Decode a slice of strings ([]string). -func (o *Buffer) dec_slice_string(p *Properties, base structPointer) error { - s, err := o.DecodeStringBytes() - if err != nil { - return err - } - v := structPointer_StringSlice(base, p.field) - *v = append(*v, s) - return nil -} - -// Decode a slice of slice of bytes ([][]byte). -func (o *Buffer) dec_slice_slice_byte(p *Properties, base structPointer) error { - b, err := o.DecodeRawBytes(true) - if err != nil { - return err - } - v := structPointer_BytesSlice(base, p.field) - *v = append(*v, b) - return nil -} - -// Decode a map field. -func (o *Buffer) dec_new_map(p *Properties, base structPointer) error { - raw, err := o.DecodeRawBytes(false) - if err != nil { - return err - } - oi := o.index // index at the end of this map entry - o.index -= len(raw) // move buffer back to start of map entry - - mptr := structPointer_NewAt(base, p.field, p.mtype) // *map[K]V - if mptr.Elem().IsNil() { - mptr.Elem().Set(reflect.MakeMap(mptr.Type().Elem())) - } - v := mptr.Elem() // map[K]V - - // Prepare addressable doubly-indirect placeholders for the key and value types. - // See enc_new_map for why. - keyptr := reflect.New(reflect.PtrTo(p.mtype.Key())).Elem() // addressable *K - keybase := toStructPointer(keyptr.Addr()) // **K - - var valbase structPointer - var valptr reflect.Value - switch p.mtype.Elem().Kind() { - case reflect.Slice: - // []byte - var dummy []byte - valptr = reflect.ValueOf(&dummy) // *[]byte - valbase = toStructPointer(valptr) // *[]byte - case reflect.Ptr: - // message; valptr is **Msg; need to allocate the intermediate pointer - valptr = reflect.New(reflect.PtrTo(p.mtype.Elem())).Elem() // addressable *V - valptr.Set(reflect.New(valptr.Type().Elem())) - valbase = toStructPointer(valptr) - default: - // everything else - valptr = reflect.New(reflect.PtrTo(p.mtype.Elem())).Elem() // addressable *V - valbase = toStructPointer(valptr.Addr()) // **V - } - - // Decode. - // This parses a restricted wire format, namely the encoding of a message - // with two fields. See enc_new_map for the format. - for o.index < oi { - // tagcode for key and value properties are always a single byte - // because they have tags 1 and 2. - tagcode := o.buf[o.index] - o.index++ - switch tagcode { - case p.mkeyprop.tagcode[0]: - if err := p.mkeyprop.dec(o, p.mkeyprop, keybase); err != nil { - return err - } - case p.mvalprop.tagcode[0]: - if err := p.mvalprop.dec(o, p.mvalprop, valbase); err != nil { - return err - } - default: - // TODO: Should we silently skip this instead? - return fmt.Errorf("proto: bad map data tag %d", raw[0]) - } - } - keyelem, valelem := keyptr.Elem(), valptr.Elem() - if !keyelem.IsValid() { - keyelem = reflect.Zero(p.mtype.Key()) - } - if !valelem.IsValid() { - valelem = reflect.Zero(p.mtype.Elem()) - } - - v.SetMapIndex(keyelem, valelem) - return nil -} - -// Decode a group. -func (o *Buffer) dec_struct_group(p *Properties, base structPointer) error { - bas := structPointer_GetStructPointer(base, p.field) - if structPointer_IsNil(bas) { - // allocate new nested message - bas = toStructPointer(reflect.New(p.stype)) - structPointer_SetStructPointer(base, p.field, bas) - } - return o.unmarshalType(p.stype, p.sprop, true, bas) -} - -// Decode an embedded message. -func (o *Buffer) dec_struct_message(p *Properties, base structPointer) (err error) { - raw, e := o.DecodeRawBytes(false) - if e != nil { - return e - } - - bas := structPointer_GetStructPointer(base, p.field) - if structPointer_IsNil(bas) { - // allocate new nested message - bas = toStructPointer(reflect.New(p.stype)) - structPointer_SetStructPointer(base, p.field, bas) - } - - // If the object can unmarshal itself, let it. - if p.isUnmarshaler { - iv := structPointer_Interface(bas, p.stype) - return iv.(Unmarshaler).Unmarshal(raw) - } - - obuf := o.buf - oi := o.index - o.buf = raw - o.index = 0 - - err = o.unmarshalType(p.stype, p.sprop, false, bas) - o.buf = obuf - o.index = oi - - return err -} - -// Decode a slice of embedded messages. -func (o *Buffer) dec_slice_struct_message(p *Properties, base structPointer) error { - return o.dec_slice_struct(p, false, base) -} - -// Decode a slice of embedded groups. -func (o *Buffer) dec_slice_struct_group(p *Properties, base structPointer) error { - return o.dec_slice_struct(p, true, base) -} - -// Decode a slice of structs ([]*struct). -func (o *Buffer) dec_slice_struct(p *Properties, is_group bool, base structPointer) error { - v := reflect.New(p.stype) - bas := toStructPointer(v) - structPointer_StructPointerSlice(base, p.field).Append(bas) - - if is_group { - err := o.unmarshalType(p.stype, p.sprop, is_group, bas) - return err - } - - raw, err := o.DecodeRawBytes(false) - if err != nil { + if u, ok := pb.(Unmarshaler); ok { + // NOTE: The history of proto have unfortunately been inconsistent + // whether Unmarshaler should or should not implicitly clear itself. + // Some implementations do, most do not. + // Thus, calling this here may or may not do what people want. + // + // See https://github.com/golang/protobuf/issues/424 + err := u.Unmarshal(p.buf[p.index:]) + p.index = len(p.buf) return err } - // If the object can unmarshal itself, let it. - if p.isUnmarshaler { - iv := v.Interface() - return iv.(Unmarshaler).Unmarshal(raw) - } - - obuf := o.buf - oi := o.index - o.buf = raw - o.index = 0 - - err = o.unmarshalType(p.stype, p.sprop, is_group, bas) - - o.buf = obuf - o.index = oi - + // Slow workaround for messages that aren't Unmarshalers. + // This includes some hand-coded .pb.go files and + // bootstrap protos. + // TODO: fix all of those and then add Unmarshal to + // the Message interface. Then: + // The cast above and code below can be deleted. + // The old unmarshaler can be deleted. + // Clients can call Unmarshal directly (can already do that, actually). + var info InternalMessageInfo + err := info.Unmarshal(pb, p.buf[p.index:]) + p.index = len(p.buf) return err } diff --git a/vendor/github.com/golang/protobuf/proto/discard.go b/vendor/github.com/golang/protobuf/proto/discard.go new file mode 100644 index 000000000..dea2617ce --- /dev/null +++ b/vendor/github.com/golang/protobuf/proto/discard.go @@ -0,0 +1,350 @@ +// Go support for Protocol Buffers - Google's data interchange format +// +// Copyright 2017 The Go Authors. All rights reserved. +// https://github.com/golang/protobuf +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +package proto + +import ( + "fmt" + "reflect" + "strings" + "sync" + "sync/atomic" +) + +type generatedDiscarder interface { + XXX_DiscardUnknown() +} + +// DiscardUnknown recursively discards all unknown fields from this message +// and all embedded messages. +// +// When unmarshaling a message with unrecognized fields, the tags and values +// of such fields are preserved in the Message. This allows a later call to +// marshal to be able to produce a message that continues to have those +// unrecognized fields. To avoid this, DiscardUnknown is used to +// explicitly clear the unknown fields after unmarshaling. +// +// For proto2 messages, the unknown fields of message extensions are only +// discarded from messages that have been accessed via GetExtension. +func DiscardUnknown(m Message) { + if m, ok := m.(generatedDiscarder); ok { + m.XXX_DiscardUnknown() + return + } + // TODO: Dynamically populate a InternalMessageInfo for legacy messages, + // but the master branch has no implementation for InternalMessageInfo, + // so it would be more work to replicate that approach. + discardLegacy(m) +} + +// DiscardUnknown recursively discards all unknown fields. +func (a *InternalMessageInfo) DiscardUnknown(m Message) { + di := atomicLoadDiscardInfo(&a.discard) + if di == nil { + di = getDiscardInfo(reflect.TypeOf(m).Elem()) + atomicStoreDiscardInfo(&a.discard, di) + } + di.discard(toPointer(&m)) +} + +type discardInfo struct { + typ reflect.Type + + initialized int32 // 0: only typ is valid, 1: everything is valid + lock sync.Mutex + + fields []discardFieldInfo + unrecognized field +} + +type discardFieldInfo struct { + field field // Offset of field, guaranteed to be valid + discard func(src pointer) +} + +var ( + discardInfoMap = map[reflect.Type]*discardInfo{} + discardInfoLock sync.Mutex +) + +func getDiscardInfo(t reflect.Type) *discardInfo { + discardInfoLock.Lock() + defer discardInfoLock.Unlock() + di := discardInfoMap[t] + if di == nil { + di = &discardInfo{typ: t} + discardInfoMap[t] = di + } + return di +} + +func (di *discardInfo) discard(src pointer) { + if src.isNil() { + return // Nothing to do. + } + + if atomic.LoadInt32(&di.initialized) == 0 { + di.computeDiscardInfo() + } + + for _, fi := range di.fields { + sfp := src.offset(fi.field) + fi.discard(sfp) + } + + // For proto2 messages, only discard unknown fields in message extensions + // that have been accessed via GetExtension. + if em, err := extendable(src.asPointerTo(di.typ).Interface()); err == nil { + // Ignore lock since DiscardUnknown is not concurrency safe. + emm, _ := em.extensionsRead() + for _, mx := range emm { + if m, ok := mx.value.(Message); ok { + DiscardUnknown(m) + } + } + } + + if di.unrecognized.IsValid() { + *src.offset(di.unrecognized).toBytes() = nil + } +} + +func (di *discardInfo) computeDiscardInfo() { + di.lock.Lock() + defer di.lock.Unlock() + if di.initialized != 0 { + return + } + t := di.typ + n := t.NumField() + + for i := 0; i < n; i++ { + f := t.Field(i) + if strings.HasPrefix(f.Name, "XXX_") { + continue + } + + dfi := discardFieldInfo{field: toField(&f)} + tf := f.Type + + // Unwrap tf to get its most basic type. + var isPointer, isSlice bool + if tf.Kind() == reflect.Slice && tf.Elem().Kind() != reflect.Uint8 { + isSlice = true + tf = tf.Elem() + } + if tf.Kind() == reflect.Ptr { + isPointer = true + tf = tf.Elem() + } + if isPointer && isSlice && tf.Kind() != reflect.Struct { + panic(fmt.Sprintf("%v.%s cannot be a slice of pointers to primitive types", t, f.Name)) + } + + switch tf.Kind() { + case reflect.Struct: + switch { + case !isPointer: + panic(fmt.Sprintf("%v.%s cannot be a direct struct value", t, f.Name)) + case isSlice: // E.g., []*pb.T + di := getDiscardInfo(tf) + dfi.discard = func(src pointer) { + sps := src.getPointerSlice() + for _, sp := range sps { + if !sp.isNil() { + di.discard(sp) + } + } + } + default: // E.g., *pb.T + di := getDiscardInfo(tf) + dfi.discard = func(src pointer) { + sp := src.getPointer() + if !sp.isNil() { + di.discard(sp) + } + } + } + case reflect.Map: + switch { + case isPointer || isSlice: + panic(fmt.Sprintf("%v.%s cannot be a pointer to a map or a slice of map values", t, f.Name)) + default: // E.g., map[K]V + if tf.Elem().Kind() == reflect.Ptr { // Proto struct (e.g., *T) + dfi.discard = func(src pointer) { + sm := src.asPointerTo(tf).Elem() + if sm.Len() == 0 { + return + } + for _, key := range sm.MapKeys() { + val := sm.MapIndex(key) + DiscardUnknown(val.Interface().(Message)) + } + } + } else { + dfi.discard = func(pointer) {} // Noop + } + } + case reflect.Interface: + // Must be oneof field. + switch { + case isPointer || isSlice: + panic(fmt.Sprintf("%v.%s cannot be a pointer to a interface or a slice of interface values", t, f.Name)) + default: // E.g., interface{} + // TODO: Make this faster? + dfi.discard = func(src pointer) { + su := src.asPointerTo(tf).Elem() + if !su.IsNil() { + sv := su.Elem().Elem().Field(0) + if sv.Kind() == reflect.Ptr && sv.IsNil() { + return + } + switch sv.Type().Kind() { + case reflect.Ptr: // Proto struct (e.g., *T) + DiscardUnknown(sv.Interface().(Message)) + } + } + } + } + default: + continue + } + di.fields = append(di.fields, dfi) + } + + di.unrecognized = invalidField + if f, ok := t.FieldByName("XXX_unrecognized"); ok { + if f.Type != reflect.TypeOf([]byte{}) { + panic("expected XXX_unrecognized to be of type []byte") + } + di.unrecognized = toField(&f) + } + + atomic.StoreInt32(&di.initialized, 1) +} + +func discardLegacy(m Message) { + v := reflect.ValueOf(m) + if v.Kind() != reflect.Ptr || v.IsNil() { + return + } + v = v.Elem() + if v.Kind() != reflect.Struct { + return + } + t := v.Type() + + for i := 0; i < v.NumField(); i++ { + f := t.Field(i) + if strings.HasPrefix(f.Name, "XXX_") { + continue + } + vf := v.Field(i) + tf := f.Type + + // Unwrap tf to get its most basic type. + var isPointer, isSlice bool + if tf.Kind() == reflect.Slice && tf.Elem().Kind() != reflect.Uint8 { + isSlice = true + tf = tf.Elem() + } + if tf.Kind() == reflect.Ptr { + isPointer = true + tf = tf.Elem() + } + if isPointer && isSlice && tf.Kind() != reflect.Struct { + panic(fmt.Sprintf("%T.%s cannot be a slice of pointers to primitive types", m, f.Name)) + } + + switch tf.Kind() { + case reflect.Struct: + switch { + case !isPointer: + panic(fmt.Sprintf("%T.%s cannot be a direct struct value", m, f.Name)) + case isSlice: // E.g., []*pb.T + for j := 0; j < vf.Len(); j++ { + discardLegacy(vf.Index(j).Interface().(Message)) + } + default: // E.g., *pb.T + discardLegacy(vf.Interface().(Message)) + } + case reflect.Map: + switch { + case isPointer || isSlice: + panic(fmt.Sprintf("%T.%s cannot be a pointer to a map or a slice of map values", m, f.Name)) + default: // E.g., map[K]V + tv := vf.Type().Elem() + if tv.Kind() == reflect.Ptr && tv.Implements(protoMessageType) { // Proto struct (e.g., *T) + for _, key := range vf.MapKeys() { + val := vf.MapIndex(key) + discardLegacy(val.Interface().(Message)) + } + } + } + case reflect.Interface: + // Must be oneof field. + switch { + case isPointer || isSlice: + panic(fmt.Sprintf("%T.%s cannot be a pointer to a interface or a slice of interface values", m, f.Name)) + default: // E.g., test_proto.isCommunique_Union interface + if !vf.IsNil() && f.Tag.Get("protobuf_oneof") != "" { + vf = vf.Elem() // E.g., *test_proto.Communique_Msg + if !vf.IsNil() { + vf = vf.Elem() // E.g., test_proto.Communique_Msg + vf = vf.Field(0) // E.g., Proto struct (e.g., *T) or primitive value + if vf.Kind() == reflect.Ptr { + discardLegacy(vf.Interface().(Message)) + } + } + } + } + } + } + + if vf := v.FieldByName("XXX_unrecognized"); vf.IsValid() { + if vf.Type() != reflect.TypeOf([]byte{}) { + panic("expected XXX_unrecognized to be of type []byte") + } + vf.Set(reflect.ValueOf([]byte(nil))) + } + + // For proto2 messages, only discard unknown fields in message extensions + // that have been accessed via GetExtension. + if em, err := extendable(m); err == nil { + // Ignore lock since discardLegacy is not concurrency safe. + emm, _ := em.extensionsRead() + for _, mx := range emm { + if m, ok := mx.value.(Message); ok { + discardLegacy(m) + } + } + } +} diff --git a/vendor/github.com/golang/protobuf/proto/encode.go b/vendor/github.com/golang/protobuf/proto/encode.go index 8b84d1b22..4c35d3373 100644 --- a/vendor/github.com/golang/protobuf/proto/encode.go +++ b/vendor/github.com/golang/protobuf/proto/encode.go @@ -39,23 +39,19 @@ import ( "errors" "fmt" "reflect" - "sort" ) -// RequiredNotSetError is the error returned if Marshal is called with -// a protocol buffer struct whose required fields have not -// all been initialized. It is also the error returned if Unmarshal is -// called with an encoded protocol buffer that does not include all the -// required fields. -// -// When printed, RequiredNotSetError reports the first unset required field in a -// message. If the field cannot be precisely determined, it is reported as -// "{Unknown}". +// RequiredNotSetError is an error type returned by either Marshal or Unmarshal. +// Marshal reports this when a required field is not initialized. +// Unmarshal reports this when a required field is missing from the wire data. type RequiredNotSetError struct { field string } func (e *RequiredNotSetError) Error() string { + if e.field == "" { + return fmt.Sprintf("proto: required field not set") + } return fmt.Sprintf("proto: required field %q not set", e.field) } @@ -82,10 +78,6 @@ var ( const maxVarintBytes = 10 // maximum length of a varint -// maxMarshalSize is the largest allowed size of an encoded protobuf, -// since C++ and Java use signed int32s for the size. -const maxMarshalSize = 1<<31 - 1 - // EncodeVarint returns the varint encoding of x. // This is the format for the // int32, int64, uint32, uint64, bool, and enum @@ -119,18 +111,27 @@ func (p *Buffer) EncodeVarint(x uint64) error { // SizeVarint returns the varint encoding size of an integer. func SizeVarint(x uint64) int { - return sizeVarint(x) -} - -func sizeVarint(x uint64) (n int) { - for { - n++ - x >>= 7 - if x == 0 { - break - } - } - return n + switch { + case x < 1<<7: + return 1 + case x < 1<<14: + return 2 + case x < 1<<21: + return 3 + case x < 1<<28: + return 4 + case x < 1<<35: + return 5 + case x < 1<<42: + return 6 + case x < 1<<49: + return 7 + case x < 1<<56: + return 8 + case x < 1<<63: + return 9 + } + return 10 } // EncodeFixed64 writes a 64-bit integer to the Buffer. @@ -149,10 +150,6 @@ func (p *Buffer) EncodeFixed64(x uint64) error { return nil } -func sizeFixed64(x uint64) int { - return 8 -} - // EncodeFixed32 writes a 32-bit integer to the Buffer. // This is the format for the // fixed32, sfixed32, and float protocol buffer types. @@ -165,20 +162,12 @@ func (p *Buffer) EncodeFixed32(x uint64) error { return nil } -func sizeFixed32(x uint64) int { - return 4 -} - // EncodeZigzag64 writes a zigzag-encoded 64-bit integer // to the Buffer. // This is the format used for the sint64 protocol buffer type. func (p *Buffer) EncodeZigzag64(x uint64) error { // use signed number to get arithmetic right shift. - return p.EncodeVarint((x << 1) ^ uint64((int64(x) >> 63))) -} - -func sizeZigzag64(x uint64) int { - return sizeVarint((x << 1) ^ uint64((int64(x) >> 63))) + return p.EncodeVarint(uint64((x << 1) ^ uint64((int64(x) >> 63)))) } // EncodeZigzag32 writes a zigzag-encoded 32-bit integer @@ -189,10 +178,6 @@ func (p *Buffer) EncodeZigzag32(x uint64) error { return p.EncodeVarint(uint64((uint32(x) << 1) ^ uint32((int32(x) >> 31)))) } -func sizeZigzag32(x uint64) int { - return sizeVarint(uint64((uint32(x) << 1) ^ uint32((int32(x) >> 31)))) -} - // EncodeRawBytes writes a count-delimited byte buffer to the Buffer. // This is the format used for the bytes protocol buffer // type and for embedded messages. @@ -202,11 +187,6 @@ func (p *Buffer) EncodeRawBytes(b []byte) error { return nil } -func sizeRawBytes(b []byte) int { - return sizeVarint(uint64(len(b))) + - len(b) -} - // EncodeStringBytes writes an encoded string to the Buffer. // This is the format used for the proto2 string type. func (p *Buffer) EncodeStringBytes(s string) error { @@ -215,319 +195,17 @@ func (p *Buffer) EncodeStringBytes(s string) error { return nil } -func sizeStringBytes(s string) int { - return sizeVarint(uint64(len(s))) + - len(s) -} - // Marshaler is the interface representing objects that can marshal themselves. type Marshaler interface { Marshal() ([]byte, error) } -// Marshal takes the protocol buffer -// and encodes it into the wire format, returning the data. -func Marshal(pb Message) ([]byte, error) { - // Can the object marshal itself? - if m, ok := pb.(Marshaler); ok { - return m.Marshal() - } - p := NewBuffer(nil) - err := p.Marshal(pb) - if p.buf == nil && err == nil { - // Return a non-nil slice on success. - return []byte{}, nil - } - return p.buf, err -} - // EncodeMessage writes the protocol buffer to the Buffer, // prefixed by a varint-encoded length. func (p *Buffer) EncodeMessage(pb Message) error { - t, base, err := getbase(pb) - if structPointer_IsNil(base) { - return ErrNil - } - if err == nil { - var state errorState - err = p.enc_len_struct(GetProperties(t.Elem()), base, &state) - } - return err -} - -// Marshal takes the protocol buffer -// and encodes it into the wire format, writing the result to the -// Buffer. -func (p *Buffer) Marshal(pb Message) error { - // Can the object marshal itself? - if m, ok := pb.(Marshaler); ok { - data, err := m.Marshal() - p.buf = append(p.buf, data...) - return err - } - - t, base, err := getbase(pb) - if structPointer_IsNil(base) { - return ErrNil - } - if err == nil { - err = p.enc_struct(GetProperties(t.Elem()), base) - } - - if collectStats { - (stats).Encode++ // Parens are to work around a goimports bug. - } - - if len(p.buf) > maxMarshalSize { - return ErrTooLarge - } - return err -} - -// Size returns the encoded size of a protocol buffer. -func Size(pb Message) (n int) { - // Can the object marshal itself? If so, Size is slow. - // TODO: add Size to Marshaler, or add a Sizer interface. - if m, ok := pb.(Marshaler); ok { - b, _ := m.Marshal() - return len(b) - } - - t, base, err := getbase(pb) - if structPointer_IsNil(base) { - return 0 - } - if err == nil { - n = size_struct(GetProperties(t.Elem()), base) - } - - if collectStats { - (stats).Size++ // Parens are to work around a goimports bug. - } - - return -} - -// Individual type encoders. - -// Encode a bool. -func (o *Buffer) enc_bool(p *Properties, base structPointer) error { - v := *structPointer_Bool(base, p.field) - if v == nil { - return ErrNil - } - x := 0 - if *v { - x = 1 - } - o.buf = append(o.buf, p.tagcode...) - p.valEnc(o, uint64(x)) - return nil -} - -func (o *Buffer) enc_proto3_bool(p *Properties, base structPointer) error { - v := *structPointer_BoolVal(base, p.field) - if !v { - return ErrNil - } - o.buf = append(o.buf, p.tagcode...) - p.valEnc(o, 1) - return nil -} - -func size_bool(p *Properties, base structPointer) int { - v := *structPointer_Bool(base, p.field) - if v == nil { - return 0 - } - return len(p.tagcode) + 1 // each bool takes exactly one byte -} - -func size_proto3_bool(p *Properties, base structPointer) int { - v := *structPointer_BoolVal(base, p.field) - if !v && !p.oneof { - return 0 - } - return len(p.tagcode) + 1 // each bool takes exactly one byte -} - -// Encode an int32. -func (o *Buffer) enc_int32(p *Properties, base structPointer) error { - v := structPointer_Word32(base, p.field) - if word32_IsNil(v) { - return ErrNil - } - x := int32(word32_Get(v)) // permit sign extension to use full 64-bit range - o.buf = append(o.buf, p.tagcode...) - p.valEnc(o, uint64(x)) - return nil -} - -func (o *Buffer) enc_proto3_int32(p *Properties, base structPointer) error { - v := structPointer_Word32Val(base, p.field) - x := int32(word32Val_Get(v)) // permit sign extension to use full 64-bit range - if x == 0 { - return ErrNil - } - o.buf = append(o.buf, p.tagcode...) - p.valEnc(o, uint64(x)) - return nil -} - -func size_int32(p *Properties, base structPointer) (n int) { - v := structPointer_Word32(base, p.field) - if word32_IsNil(v) { - return 0 - } - x := int32(word32_Get(v)) // permit sign extension to use full 64-bit range - n += len(p.tagcode) - n += p.valSize(uint64(x)) - return -} - -func size_proto3_int32(p *Properties, base structPointer) (n int) { - v := structPointer_Word32Val(base, p.field) - x := int32(word32Val_Get(v)) // permit sign extension to use full 64-bit range - if x == 0 && !p.oneof { - return 0 - } - n += len(p.tagcode) - n += p.valSize(uint64(x)) - return -} - -// Encode a uint32. -// Exactly the same as int32, except for no sign extension. -func (o *Buffer) enc_uint32(p *Properties, base structPointer) error { - v := structPointer_Word32(base, p.field) - if word32_IsNil(v) { - return ErrNil - } - x := word32_Get(v) - o.buf = append(o.buf, p.tagcode...) - p.valEnc(o, uint64(x)) - return nil -} - -func (o *Buffer) enc_proto3_uint32(p *Properties, base structPointer) error { - v := structPointer_Word32Val(base, p.field) - x := word32Val_Get(v) - if x == 0 { - return ErrNil - } - o.buf = append(o.buf, p.tagcode...) - p.valEnc(o, uint64(x)) - return nil -} - -func size_uint32(p *Properties, base structPointer) (n int) { - v := structPointer_Word32(base, p.field) - if word32_IsNil(v) { - return 0 - } - x := word32_Get(v) - n += len(p.tagcode) - n += p.valSize(uint64(x)) - return -} - -func size_proto3_uint32(p *Properties, base structPointer) (n int) { - v := structPointer_Word32Val(base, p.field) - x := word32Val_Get(v) - if x == 0 && !p.oneof { - return 0 - } - n += len(p.tagcode) - n += p.valSize(uint64(x)) - return -} - -// Encode an int64. -func (o *Buffer) enc_int64(p *Properties, base structPointer) error { - v := structPointer_Word64(base, p.field) - if word64_IsNil(v) { - return ErrNil - } - x := word64_Get(v) - o.buf = append(o.buf, p.tagcode...) - p.valEnc(o, x) - return nil -} - -func (o *Buffer) enc_proto3_int64(p *Properties, base structPointer) error { - v := structPointer_Word64Val(base, p.field) - x := word64Val_Get(v) - if x == 0 { - return ErrNil - } - o.buf = append(o.buf, p.tagcode...) - p.valEnc(o, x) - return nil -} - -func size_int64(p *Properties, base structPointer) (n int) { - v := structPointer_Word64(base, p.field) - if word64_IsNil(v) { - return 0 - } - x := word64_Get(v) - n += len(p.tagcode) - n += p.valSize(x) - return -} - -func size_proto3_int64(p *Properties, base structPointer) (n int) { - v := structPointer_Word64Val(base, p.field) - x := word64Val_Get(v) - if x == 0 && !p.oneof { - return 0 - } - n += len(p.tagcode) - n += p.valSize(x) - return -} - -// Encode a string. -func (o *Buffer) enc_string(p *Properties, base structPointer) error { - v := *structPointer_String(base, p.field) - if v == nil { - return ErrNil - } - x := *v - o.buf = append(o.buf, p.tagcode...) - o.EncodeStringBytes(x) - return nil -} - -func (o *Buffer) enc_proto3_string(p *Properties, base structPointer) error { - v := *structPointer_StringVal(base, p.field) - if v == "" { - return ErrNil - } - o.buf = append(o.buf, p.tagcode...) - o.EncodeStringBytes(v) - return nil -} - -func size_string(p *Properties, base structPointer) (n int) { - v := *structPointer_String(base, p.field) - if v == nil { - return 0 - } - x := *v - n += len(p.tagcode) - n += sizeStringBytes(x) - return -} - -func size_proto3_string(p *Properties, base structPointer) (n int) { - v := *structPointer_StringVal(base, p.field) - if v == "" && !p.oneof { - return 0 - } - n += len(p.tagcode) - n += sizeStringBytes(v) - return + siz := Size(pb) + p.EncodeVarint(uint64(siz)) + return p.Marshal(pb) } // All protocol buffer fields are nillable, but be careful. @@ -538,825 +216,3 @@ func isNil(v reflect.Value) bool { } return false } - -// Encode a message struct. -func (o *Buffer) enc_struct_message(p *Properties, base structPointer) error { - var state errorState - structp := structPointer_GetStructPointer(base, p.field) - if structPointer_IsNil(structp) { - return ErrNil - } - - // Can the object marshal itself? - if p.isMarshaler { - m := structPointer_Interface(structp, p.stype).(Marshaler) - data, err := m.Marshal() - if err != nil && !state.shouldContinue(err, nil) { - return err - } - o.buf = append(o.buf, p.tagcode...) - o.EncodeRawBytes(data) - return state.err - } - - o.buf = append(o.buf, p.tagcode...) - return o.enc_len_struct(p.sprop, structp, &state) -} - -func size_struct_message(p *Properties, base structPointer) int { - structp := structPointer_GetStructPointer(base, p.field) - if structPointer_IsNil(structp) { - return 0 - } - - // Can the object marshal itself? - if p.isMarshaler { - m := structPointer_Interface(structp, p.stype).(Marshaler) - data, _ := m.Marshal() - n0 := len(p.tagcode) - n1 := sizeRawBytes(data) - return n0 + n1 - } - - n0 := len(p.tagcode) - n1 := size_struct(p.sprop, structp) - n2 := sizeVarint(uint64(n1)) // size of encoded length - return n0 + n1 + n2 -} - -// Encode a group struct. -func (o *Buffer) enc_struct_group(p *Properties, base structPointer) error { - var state errorState - b := structPointer_GetStructPointer(base, p.field) - if structPointer_IsNil(b) { - return ErrNil - } - - o.EncodeVarint(uint64((p.Tag << 3) | WireStartGroup)) - err := o.enc_struct(p.sprop, b) - if err != nil && !state.shouldContinue(err, nil) { - return err - } - o.EncodeVarint(uint64((p.Tag << 3) | WireEndGroup)) - return state.err -} - -func size_struct_group(p *Properties, base structPointer) (n int) { - b := structPointer_GetStructPointer(base, p.field) - if structPointer_IsNil(b) { - return 0 - } - - n += sizeVarint(uint64((p.Tag << 3) | WireStartGroup)) - n += size_struct(p.sprop, b) - n += sizeVarint(uint64((p.Tag << 3) | WireEndGroup)) - return -} - -// Encode a slice of bools ([]bool). -func (o *Buffer) enc_slice_bool(p *Properties, base structPointer) error { - s := *structPointer_BoolSlice(base, p.field) - l := len(s) - if l == 0 { - return ErrNil - } - for _, x := range s { - o.buf = append(o.buf, p.tagcode...) - v := uint64(0) - if x { - v = 1 - } - p.valEnc(o, v) - } - return nil -} - -func size_slice_bool(p *Properties, base structPointer) int { - s := *structPointer_BoolSlice(base, p.field) - l := len(s) - if l == 0 { - return 0 - } - return l * (len(p.tagcode) + 1) // each bool takes exactly one byte -} - -// Encode a slice of bools ([]bool) in packed format. -func (o *Buffer) enc_slice_packed_bool(p *Properties, base structPointer) error { - s := *structPointer_BoolSlice(base, p.field) - l := len(s) - if l == 0 { - return ErrNil - } - o.buf = append(o.buf, p.tagcode...) - o.EncodeVarint(uint64(l)) // each bool takes exactly one byte - for _, x := range s { - v := uint64(0) - if x { - v = 1 - } - p.valEnc(o, v) - } - return nil -} - -func size_slice_packed_bool(p *Properties, base structPointer) (n int) { - s := *structPointer_BoolSlice(base, p.field) - l := len(s) - if l == 0 { - return 0 - } - n += len(p.tagcode) - n += sizeVarint(uint64(l)) - n += l // each bool takes exactly one byte - return -} - -// Encode a slice of bytes ([]byte). -func (o *Buffer) enc_slice_byte(p *Properties, base structPointer) error { - s := *structPointer_Bytes(base, p.field) - if s == nil { - return ErrNil - } - o.buf = append(o.buf, p.tagcode...) - o.EncodeRawBytes(s) - return nil -} - -func (o *Buffer) enc_proto3_slice_byte(p *Properties, base structPointer) error { - s := *structPointer_Bytes(base, p.field) - if len(s) == 0 { - return ErrNil - } - o.buf = append(o.buf, p.tagcode...) - o.EncodeRawBytes(s) - return nil -} - -func size_slice_byte(p *Properties, base structPointer) (n int) { - s := *structPointer_Bytes(base, p.field) - if s == nil && !p.oneof { - return 0 - } - n += len(p.tagcode) - n += sizeRawBytes(s) - return -} - -func size_proto3_slice_byte(p *Properties, base structPointer) (n int) { - s := *structPointer_Bytes(base, p.field) - if len(s) == 0 && !p.oneof { - return 0 - } - n += len(p.tagcode) - n += sizeRawBytes(s) - return -} - -// Encode a slice of int32s ([]int32). -func (o *Buffer) enc_slice_int32(p *Properties, base structPointer) error { - s := structPointer_Word32Slice(base, p.field) - l := s.Len() - if l == 0 { - return ErrNil - } - for i := 0; i < l; i++ { - o.buf = append(o.buf, p.tagcode...) - x := int32(s.Index(i)) // permit sign extension to use full 64-bit range - p.valEnc(o, uint64(x)) - } - return nil -} - -func size_slice_int32(p *Properties, base structPointer) (n int) { - s := structPointer_Word32Slice(base, p.field) - l := s.Len() - if l == 0 { - return 0 - } - for i := 0; i < l; i++ { - n += len(p.tagcode) - x := int32(s.Index(i)) // permit sign extension to use full 64-bit range - n += p.valSize(uint64(x)) - } - return -} - -// Encode a slice of int32s ([]int32) in packed format. -func (o *Buffer) enc_slice_packed_int32(p *Properties, base structPointer) error { - s := structPointer_Word32Slice(base, p.field) - l := s.Len() - if l == 0 { - return ErrNil - } - // TODO: Reuse a Buffer. - buf := NewBuffer(nil) - for i := 0; i < l; i++ { - x := int32(s.Index(i)) // permit sign extension to use full 64-bit range - p.valEnc(buf, uint64(x)) - } - - o.buf = append(o.buf, p.tagcode...) - o.EncodeVarint(uint64(len(buf.buf))) - o.buf = append(o.buf, buf.buf...) - return nil -} - -func size_slice_packed_int32(p *Properties, base structPointer) (n int) { - s := structPointer_Word32Slice(base, p.field) - l := s.Len() - if l == 0 { - return 0 - } - var bufSize int - for i := 0; i < l; i++ { - x := int32(s.Index(i)) // permit sign extension to use full 64-bit range - bufSize += p.valSize(uint64(x)) - } - - n += len(p.tagcode) - n += sizeVarint(uint64(bufSize)) - n += bufSize - return -} - -// Encode a slice of uint32s ([]uint32). -// Exactly the same as int32, except for no sign extension. -func (o *Buffer) enc_slice_uint32(p *Properties, base structPointer) error { - s := structPointer_Word32Slice(base, p.field) - l := s.Len() - if l == 0 { - return ErrNil - } - for i := 0; i < l; i++ { - o.buf = append(o.buf, p.tagcode...) - x := s.Index(i) - p.valEnc(o, uint64(x)) - } - return nil -} - -func size_slice_uint32(p *Properties, base structPointer) (n int) { - s := structPointer_Word32Slice(base, p.field) - l := s.Len() - if l == 0 { - return 0 - } - for i := 0; i < l; i++ { - n += len(p.tagcode) - x := s.Index(i) - n += p.valSize(uint64(x)) - } - return -} - -// Encode a slice of uint32s ([]uint32) in packed format. -// Exactly the same as int32, except for no sign extension. -func (o *Buffer) enc_slice_packed_uint32(p *Properties, base structPointer) error { - s := structPointer_Word32Slice(base, p.field) - l := s.Len() - if l == 0 { - return ErrNil - } - // TODO: Reuse a Buffer. - buf := NewBuffer(nil) - for i := 0; i < l; i++ { - p.valEnc(buf, uint64(s.Index(i))) - } - - o.buf = append(o.buf, p.tagcode...) - o.EncodeVarint(uint64(len(buf.buf))) - o.buf = append(o.buf, buf.buf...) - return nil -} - -func size_slice_packed_uint32(p *Properties, base structPointer) (n int) { - s := structPointer_Word32Slice(base, p.field) - l := s.Len() - if l == 0 { - return 0 - } - var bufSize int - for i := 0; i < l; i++ { - bufSize += p.valSize(uint64(s.Index(i))) - } - - n += len(p.tagcode) - n += sizeVarint(uint64(bufSize)) - n += bufSize - return -} - -// Encode a slice of int64s ([]int64). -func (o *Buffer) enc_slice_int64(p *Properties, base structPointer) error { - s := structPointer_Word64Slice(base, p.field) - l := s.Len() - if l == 0 { - return ErrNil - } - for i := 0; i < l; i++ { - o.buf = append(o.buf, p.tagcode...) - p.valEnc(o, s.Index(i)) - } - return nil -} - -func size_slice_int64(p *Properties, base structPointer) (n int) { - s := structPointer_Word64Slice(base, p.field) - l := s.Len() - if l == 0 { - return 0 - } - for i := 0; i < l; i++ { - n += len(p.tagcode) - n += p.valSize(s.Index(i)) - } - return -} - -// Encode a slice of int64s ([]int64) in packed format. -func (o *Buffer) enc_slice_packed_int64(p *Properties, base structPointer) error { - s := structPointer_Word64Slice(base, p.field) - l := s.Len() - if l == 0 { - return ErrNil - } - // TODO: Reuse a Buffer. - buf := NewBuffer(nil) - for i := 0; i < l; i++ { - p.valEnc(buf, s.Index(i)) - } - - o.buf = append(o.buf, p.tagcode...) - o.EncodeVarint(uint64(len(buf.buf))) - o.buf = append(o.buf, buf.buf...) - return nil -} - -func size_slice_packed_int64(p *Properties, base structPointer) (n int) { - s := structPointer_Word64Slice(base, p.field) - l := s.Len() - if l == 0 { - return 0 - } - var bufSize int - for i := 0; i < l; i++ { - bufSize += p.valSize(s.Index(i)) - } - - n += len(p.tagcode) - n += sizeVarint(uint64(bufSize)) - n += bufSize - return -} - -// Encode a slice of slice of bytes ([][]byte). -func (o *Buffer) enc_slice_slice_byte(p *Properties, base structPointer) error { - ss := *structPointer_BytesSlice(base, p.field) - l := len(ss) - if l == 0 { - return ErrNil - } - for i := 0; i < l; i++ { - o.buf = append(o.buf, p.tagcode...) - o.EncodeRawBytes(ss[i]) - } - return nil -} - -func size_slice_slice_byte(p *Properties, base structPointer) (n int) { - ss := *structPointer_BytesSlice(base, p.field) - l := len(ss) - if l == 0 { - return 0 - } - n += l * len(p.tagcode) - for i := 0; i < l; i++ { - n += sizeRawBytes(ss[i]) - } - return -} - -// Encode a slice of strings ([]string). -func (o *Buffer) enc_slice_string(p *Properties, base structPointer) error { - ss := *structPointer_StringSlice(base, p.field) - l := len(ss) - for i := 0; i < l; i++ { - o.buf = append(o.buf, p.tagcode...) - o.EncodeStringBytes(ss[i]) - } - return nil -} - -func size_slice_string(p *Properties, base structPointer) (n int) { - ss := *structPointer_StringSlice(base, p.field) - l := len(ss) - n += l * len(p.tagcode) - for i := 0; i < l; i++ { - n += sizeStringBytes(ss[i]) - } - return -} - -// Encode a slice of message structs ([]*struct). -func (o *Buffer) enc_slice_struct_message(p *Properties, base structPointer) error { - var state errorState - s := structPointer_StructPointerSlice(base, p.field) - l := s.Len() - - for i := 0; i < l; i++ { - structp := s.Index(i) - if structPointer_IsNil(structp) { - return errRepeatedHasNil - } - - // Can the object marshal itself? - if p.isMarshaler { - m := structPointer_Interface(structp, p.stype).(Marshaler) - data, err := m.Marshal() - if err != nil && !state.shouldContinue(err, nil) { - return err - } - o.buf = append(o.buf, p.tagcode...) - o.EncodeRawBytes(data) - continue - } - - o.buf = append(o.buf, p.tagcode...) - err := o.enc_len_struct(p.sprop, structp, &state) - if err != nil && !state.shouldContinue(err, nil) { - if err == ErrNil { - return errRepeatedHasNil - } - return err - } - } - return state.err -} - -func size_slice_struct_message(p *Properties, base structPointer) (n int) { - s := structPointer_StructPointerSlice(base, p.field) - l := s.Len() - n += l * len(p.tagcode) - for i := 0; i < l; i++ { - structp := s.Index(i) - if structPointer_IsNil(structp) { - return // return the size up to this point - } - - // Can the object marshal itself? - if p.isMarshaler { - m := structPointer_Interface(structp, p.stype).(Marshaler) - data, _ := m.Marshal() - n += sizeRawBytes(data) - continue - } - - n0 := size_struct(p.sprop, structp) - n1 := sizeVarint(uint64(n0)) // size of encoded length - n += n0 + n1 - } - return -} - -// Encode a slice of group structs ([]*struct). -func (o *Buffer) enc_slice_struct_group(p *Properties, base structPointer) error { - var state errorState - s := structPointer_StructPointerSlice(base, p.field) - l := s.Len() - - for i := 0; i < l; i++ { - b := s.Index(i) - if structPointer_IsNil(b) { - return errRepeatedHasNil - } - - o.EncodeVarint(uint64((p.Tag << 3) | WireStartGroup)) - - err := o.enc_struct(p.sprop, b) - - if err != nil && !state.shouldContinue(err, nil) { - if err == ErrNil { - return errRepeatedHasNil - } - return err - } - - o.EncodeVarint(uint64((p.Tag << 3) | WireEndGroup)) - } - return state.err -} - -func size_slice_struct_group(p *Properties, base structPointer) (n int) { - s := structPointer_StructPointerSlice(base, p.field) - l := s.Len() - - n += l * sizeVarint(uint64((p.Tag<<3)|WireStartGroup)) - n += l * sizeVarint(uint64((p.Tag<<3)|WireEndGroup)) - for i := 0; i < l; i++ { - b := s.Index(i) - if structPointer_IsNil(b) { - return // return size up to this point - } - - n += size_struct(p.sprop, b) - } - return -} - -// Encode an extension map. -func (o *Buffer) enc_map(p *Properties, base structPointer) error { - exts := structPointer_ExtMap(base, p.field) - if err := encodeExtensionsMap(*exts); err != nil { - return err - } - - return o.enc_map_body(*exts) -} - -func (o *Buffer) enc_exts(p *Properties, base structPointer) error { - exts := structPointer_Extensions(base, p.field) - - v, mu := exts.extensionsRead() - if v == nil { - return nil - } - - mu.Lock() - defer mu.Unlock() - if err := encodeExtensionsMap(v); err != nil { - return err - } - - return o.enc_map_body(v) -} - -func (o *Buffer) enc_map_body(v map[int32]Extension) error { - // Fast-path for common cases: zero or one extensions. - if len(v) <= 1 { - for _, e := range v { - o.buf = append(o.buf, e.enc...) - } - return nil - } - - // Sort keys to provide a deterministic encoding. - keys := make([]int, 0, len(v)) - for k := range v { - keys = append(keys, int(k)) - } - sort.Ints(keys) - - for _, k := range keys { - o.buf = append(o.buf, v[int32(k)].enc...) - } - return nil -} - -func size_map(p *Properties, base structPointer) int { - v := structPointer_ExtMap(base, p.field) - return extensionsMapSize(*v) -} - -func size_exts(p *Properties, base structPointer) int { - v := structPointer_Extensions(base, p.field) - return extensionsSize(v) -} - -// Encode a map field. -func (o *Buffer) enc_new_map(p *Properties, base structPointer) error { - var state errorState // XXX: or do we need to plumb this through? - - /* - A map defined as - map<key_type, value_type> map_field = N; - is encoded in the same way as - message MapFieldEntry { - key_type key = 1; - value_type value = 2; - } - repeated MapFieldEntry map_field = N; - */ - - v := structPointer_NewAt(base, p.field, p.mtype).Elem() // map[K]V - if v.Len() == 0 { - return nil - } - - keycopy, valcopy, keybase, valbase := mapEncodeScratch(p.mtype) - - enc := func() error { - if err := p.mkeyprop.enc(o, p.mkeyprop, keybase); err != nil { - return err - } - if err := p.mvalprop.enc(o, p.mvalprop, valbase); err != nil && err != ErrNil { - return err - } - return nil - } - - // Don't sort map keys. It is not required by the spec, and C++ doesn't do it. - for _, key := range v.MapKeys() { - val := v.MapIndex(key) - - keycopy.Set(key) - valcopy.Set(val) - - o.buf = append(o.buf, p.tagcode...) - if err := o.enc_len_thing(enc, &state); err != nil { - return err - } - } - return nil -} - -func size_new_map(p *Properties, base structPointer) int { - v := structPointer_NewAt(base, p.field, p.mtype).Elem() // map[K]V - - keycopy, valcopy, keybase, valbase := mapEncodeScratch(p.mtype) - - n := 0 - for _, key := range v.MapKeys() { - val := v.MapIndex(key) - keycopy.Set(key) - valcopy.Set(val) - - // Tag codes for key and val are the responsibility of the sub-sizer. - keysize := p.mkeyprop.size(p.mkeyprop, keybase) - valsize := p.mvalprop.size(p.mvalprop, valbase) - entry := keysize + valsize - // Add on tag code and length of map entry itself. - n += len(p.tagcode) + sizeVarint(uint64(entry)) + entry - } - return n -} - -// mapEncodeScratch returns a new reflect.Value matching the map's value type, -// and a structPointer suitable for passing to an encoder or sizer. -func mapEncodeScratch(mapType reflect.Type) (keycopy, valcopy reflect.Value, keybase, valbase structPointer) { - // Prepare addressable doubly-indirect placeholders for the key and value types. - // This is needed because the element-type encoders expect **T, but the map iteration produces T. - - keycopy = reflect.New(mapType.Key()).Elem() // addressable K - keyptr := reflect.New(reflect.PtrTo(keycopy.Type())).Elem() // addressable *K - keyptr.Set(keycopy.Addr()) // - keybase = toStructPointer(keyptr.Addr()) // **K - - // Value types are more varied and require special handling. - switch mapType.Elem().Kind() { - case reflect.Slice: - // []byte - var dummy []byte - valcopy = reflect.ValueOf(&dummy).Elem() // addressable []byte - valbase = toStructPointer(valcopy.Addr()) - case reflect.Ptr: - // message; the generated field type is map[K]*Msg (so V is *Msg), - // so we only need one level of indirection. - valcopy = reflect.New(mapType.Elem()).Elem() // addressable V - valbase = toStructPointer(valcopy.Addr()) - default: - // everything else - valcopy = reflect.New(mapType.Elem()).Elem() // addressable V - valptr := reflect.New(reflect.PtrTo(valcopy.Type())).Elem() // addressable *V - valptr.Set(valcopy.Addr()) // - valbase = toStructPointer(valptr.Addr()) // **V - } - return -} - -// Encode a struct. -func (o *Buffer) enc_struct(prop *StructProperties, base structPointer) error { - var state errorState - // Encode fields in tag order so that decoders may use optimizations - // that depend on the ordering. - // https://developers.google.com/protocol-buffers/docs/encoding#order - for _, i := range prop.order { - p := prop.Prop[i] - if p.enc != nil { - err := p.enc(o, p, base) - if err != nil { - if err == ErrNil { - if p.Required && state.err == nil { - state.err = &RequiredNotSetError{p.Name} - } - } else if err == errRepeatedHasNil { - // Give more context to nil values in repeated fields. - return errors.New("repeated field " + p.OrigName + " has nil element") - } else if !state.shouldContinue(err, p) { - return err - } - } - if len(o.buf) > maxMarshalSize { - return ErrTooLarge - } - } - } - - // Do oneof fields. - if prop.oneofMarshaler != nil { - m := structPointer_Interface(base, prop.stype).(Message) - if err := prop.oneofMarshaler(m, o); err == ErrNil { - return errOneofHasNil - } else if err != nil { - return err - } - } - - // Add unrecognized fields at the end. - if prop.unrecField.IsValid() { - v := *structPointer_Bytes(base, prop.unrecField) - if len(o.buf)+len(v) > maxMarshalSize { - return ErrTooLarge - } - if len(v) > 0 { - o.buf = append(o.buf, v...) - } - } - - return state.err -} - -func size_struct(prop *StructProperties, base structPointer) (n int) { - for _, i := range prop.order { - p := prop.Prop[i] - if p.size != nil { - n += p.size(p, base) - } - } - - // Add unrecognized fields at the end. - if prop.unrecField.IsValid() { - v := *structPointer_Bytes(base, prop.unrecField) - n += len(v) - } - - // Factor in any oneof fields. - if prop.oneofSizer != nil { - m := structPointer_Interface(base, prop.stype).(Message) - n += prop.oneofSizer(m) - } - - return -} - -var zeroes [20]byte // longer than any conceivable sizeVarint - -// Encode a struct, preceded by its encoded length (as a varint). -func (o *Buffer) enc_len_struct(prop *StructProperties, base structPointer, state *errorState) error { - return o.enc_len_thing(func() error { return o.enc_struct(prop, base) }, state) -} - -// Encode something, preceded by its encoded length (as a varint). -func (o *Buffer) enc_len_thing(enc func() error, state *errorState) error { - iLen := len(o.buf) - o.buf = append(o.buf, 0, 0, 0, 0) // reserve four bytes for length - iMsg := len(o.buf) - err := enc() - if err != nil && !state.shouldContinue(err, nil) { - return err - } - lMsg := len(o.buf) - iMsg - lLen := sizeVarint(uint64(lMsg)) - switch x := lLen - (iMsg - iLen); { - case x > 0: // actual length is x bytes larger than the space we reserved - // Move msg x bytes right. - o.buf = append(o.buf, zeroes[:x]...) - copy(o.buf[iMsg+x:], o.buf[iMsg:iMsg+lMsg]) - case x < 0: // actual length is x bytes smaller than the space we reserved - // Move msg x bytes left. - copy(o.buf[iMsg+x:], o.buf[iMsg:iMsg+lMsg]) - o.buf = o.buf[:len(o.buf)+x] // x is negative - } - // Encode the length in the reserved space. - o.buf = o.buf[:iLen] - o.EncodeVarint(uint64(lMsg)) - o.buf = o.buf[:len(o.buf)+lMsg] - return state.err -} - -// errorState maintains the first error that occurs and updates that error -// with additional context. -type errorState struct { - err error -} - -// shouldContinue reports whether encoding should continue upon encountering the -// given error. If the error is RequiredNotSetError, shouldContinue returns true -// and, if this is the first appearance of that error, remembers it for future -// reporting. -// -// If prop is not nil, it may update any error with additional context about the -// field with the error. -func (s *errorState) shouldContinue(err error, prop *Properties) bool { - // Ignore unset required fields. - reqNotSet, ok := err.(*RequiredNotSetError) - if !ok { - return false - } - if s.err == nil { - if prop != nil { - err = &RequiredNotSetError{prop.Name + "." + reqNotSet.field} - } - s.err = err - } - return true -} diff --git a/vendor/github.com/golang/protobuf/proto/equal.go b/vendor/github.com/golang/protobuf/proto/equal.go index 2ed1cf596..d4db5a1c1 100644 --- a/vendor/github.com/golang/protobuf/proto/equal.go +++ b/vendor/github.com/golang/protobuf/proto/equal.go @@ -109,15 +109,6 @@ func equalStruct(v1, v2 reflect.Value) bool { // set/unset mismatch return false } - b1, ok := f1.Interface().(raw) - if ok { - b2 := f2.Interface().(raw) - // RawMessage - if !bytes.Equal(b1.Bytes(), b2.Bytes()) { - return false - } - continue - } f1, f2 = f1.Elem(), f2.Elem() } if !equalAny(f1, f2, sprop.Prop[i]) { @@ -146,11 +137,7 @@ func equalStruct(v1, v2 reflect.Value) bool { u1 := uf.Bytes() u2 := v2.FieldByName("XXX_unrecognized").Bytes() - if !bytes.Equal(u1, u2) { - return false - } - - return true + return bytes.Equal(u1, u2) } // v1 and v2 are known to have the same type. @@ -261,6 +248,15 @@ func equalExtMap(base reflect.Type, em1, em2 map[int32]Extension) bool { m1, m2 := e1.value, e2.value + if m1 == nil && m2 == nil { + // Both have only encoded form. + if bytes.Equal(e1.enc, e2.enc) { + continue + } + // The bytes are different, but the extensions might still be + // equal. We need to decode them to compare. + } + if m1 != nil && m2 != nil { // Both are unencoded. if !equalAny(reflect.ValueOf(m1), reflect.ValueOf(m2), nil) { @@ -276,8 +272,12 @@ func equalExtMap(base reflect.Type, em1, em2 map[int32]Extension) bool { desc = m[extNum] } if desc == nil { + // If both have only encoded form and the bytes are the same, + // it is handled above. We get here when the bytes are different. + // We don't know how to decode it, so just compare them as byte + // slices. log.Printf("proto: don't know how to compare extension %d of %v", extNum, base) - continue + return false } var err error if m1 == nil { diff --git a/vendor/github.com/golang/protobuf/proto/extensions.go b/vendor/github.com/golang/protobuf/proto/extensions.go index eaad21831..816a3b9d6 100644 --- a/vendor/github.com/golang/protobuf/proto/extensions.go +++ b/vendor/github.com/golang/protobuf/proto/extensions.go @@ -38,6 +38,7 @@ package proto import ( "errors" "fmt" + "io" "reflect" "strconv" "sync" @@ -91,14 +92,29 @@ func (n notLocker) Unlock() {} // extendable returns the extendableProto interface for the given generated proto message. // If the proto message has the old extension format, it returns a wrapper that implements // the extendableProto interface. -func extendable(p interface{}) (extendableProto, bool) { - if ep, ok := p.(extendableProto); ok { - return ep, ok - } - if ep, ok := p.(extendableProtoV1); ok { - return extensionAdapter{ep}, ok +func extendable(p interface{}) (extendableProto, error) { + switch p := p.(type) { + case extendableProto: + if isNilPtr(p) { + return nil, fmt.Errorf("proto: nil %T is not extendable", p) + } + return p, nil + case extendableProtoV1: + if isNilPtr(p) { + return nil, fmt.Errorf("proto: nil %T is not extendable", p) + } + return extensionAdapter{p}, nil } - return nil, false + // Don't allocate a specific error containing %T: + // this is the hot path for Clone and MarshalText. + return nil, errNotExtendable +} + +var errNotExtendable = errors.New("proto: not an extendable proto.Message") + +func isNilPtr(x interface{}) bool { + v := reflect.ValueOf(x) + return v.Kind() == reflect.Ptr && v.IsNil() } // XXX_InternalExtensions is an internal representation of proto extensions. @@ -143,9 +159,6 @@ func (e *XXX_InternalExtensions) extensionsRead() (map[int32]Extension, sync.Loc return e.p.extensionMap, &e.p.mu } -var extendableProtoType = reflect.TypeOf((*extendableProto)(nil)).Elem() -var extendableProtoV1Type = reflect.TypeOf((*extendableProtoV1)(nil)).Elem() - // ExtensionDesc represents an extension specification. // Used in generated code from the protocol compiler. type ExtensionDesc struct { @@ -179,8 +192,8 @@ type Extension struct { // SetRawExtension is for testing only. func SetRawExtension(base Message, id int32, b []byte) { - epb, ok := extendable(base) - if !ok { + epb, err := extendable(base) + if err != nil { return } extmap := epb.extensionsWrite() @@ -205,7 +218,7 @@ func checkExtensionTypes(pb extendableProto, extension *ExtensionDesc) error { pbi = ea.extendableProtoV1 } if a, b := reflect.TypeOf(pbi), reflect.TypeOf(extension.ExtendedType); a != b { - return errors.New("proto: bad extended type; " + b.String() + " does not extend " + a.String()) + return fmt.Errorf("proto: bad extended type; %v does not extend %v", b, a) } // Check the range. if !isExtensionField(pb, extension.Field) { @@ -250,85 +263,11 @@ func extensionProperties(ed *ExtensionDesc) *Properties { return prop } -// encode encodes any unmarshaled (unencoded) extensions in e. -func encodeExtensions(e *XXX_InternalExtensions) error { - m, mu := e.extensionsRead() - if m == nil { - return nil // fast path - } - mu.Lock() - defer mu.Unlock() - return encodeExtensionsMap(m) -} - -// encode encodes any unmarshaled (unencoded) extensions in e. -func encodeExtensionsMap(m map[int32]Extension) error { - for k, e := range m { - if e.value == nil || e.desc == nil { - // Extension is only in its encoded form. - continue - } - - // We don't skip extensions that have an encoded form set, - // because the extension value may have been mutated after - // the last time this function was called. - - et := reflect.TypeOf(e.desc.ExtensionType) - props := extensionProperties(e.desc) - - p := NewBuffer(nil) - // If e.value has type T, the encoder expects a *struct{ X T }. - // Pass a *T with a zero field and hope it all works out. - x := reflect.New(et) - x.Elem().Set(reflect.ValueOf(e.value)) - if err := props.enc(p, props, toStructPointer(x)); err != nil { - return err - } - e.enc = p.buf - m[k] = e - } - return nil -} - -func extensionsSize(e *XXX_InternalExtensions) (n int) { - m, mu := e.extensionsRead() - if m == nil { - return 0 - } - mu.Lock() - defer mu.Unlock() - return extensionsMapSize(m) -} - -func extensionsMapSize(m map[int32]Extension) (n int) { - for _, e := range m { - if e.value == nil || e.desc == nil { - // Extension is only in its encoded form. - n += len(e.enc) - continue - } - - // We don't skip extensions that have an encoded form set, - // because the extension value may have been mutated after - // the last time this function was called. - - et := reflect.TypeOf(e.desc.ExtensionType) - props := extensionProperties(e.desc) - - // If e.value has type T, the encoder expects a *struct{ X T }. - // Pass a *T with a zero field and hope it all works out. - x := reflect.New(et) - x.Elem().Set(reflect.ValueOf(e.value)) - n += props.size(props, toStructPointer(x)) - } - return -} - // HasExtension returns whether the given extension is present in pb. func HasExtension(pb Message, extension *ExtensionDesc) bool { // TODO: Check types, field numbers, etc.? - epb, ok := extendable(pb) - if !ok { + epb, err := extendable(pb) + if err != nil { return false } extmap, mu := epb.extensionsRead() @@ -336,15 +275,15 @@ func HasExtension(pb Message, extension *ExtensionDesc) bool { return false } mu.Lock() - _, ok = extmap[extension.Field] + _, ok := extmap[extension.Field] mu.Unlock() return ok } // ClearExtension removes the given extension from pb. func ClearExtension(pb Message, extension *ExtensionDesc) { - epb, ok := extendable(pb) - if !ok { + epb, err := extendable(pb) + if err != nil { return } // TODO: Check types, field numbers, etc.? @@ -352,16 +291,26 @@ func ClearExtension(pb Message, extension *ExtensionDesc) { delete(extmap, extension.Field) } -// GetExtension parses and returns the given extension of pb. -// If the extension is not present and has no default value it returns ErrMissingExtension. +// GetExtension retrieves a proto2 extended field from pb. +// +// If the descriptor is type complete (i.e., ExtensionDesc.ExtensionType is non-nil), +// then GetExtension parses the encoded field and returns a Go value of the specified type. +// If the field is not present, then the default value is returned (if one is specified), +// otherwise ErrMissingExtension is reported. +// +// If the descriptor is not type complete (i.e., ExtensionDesc.ExtensionType is nil), +// then GetExtension returns the raw encoded bytes of the field extension. func GetExtension(pb Message, extension *ExtensionDesc) (interface{}, error) { - epb, ok := extendable(pb) - if !ok { - return nil, errors.New("proto: not an extendable proto") + epb, err := extendable(pb) + if err != nil { + return nil, err } - if err := checkExtensionTypes(epb, extension); err != nil { - return nil, err + if extension.ExtendedType != nil { + // can only check type if this is a complete descriptor + if err := checkExtensionTypes(epb, extension); err != nil { + return nil, err + } } emap, mu := epb.extensionsRead() @@ -388,6 +337,11 @@ func GetExtension(pb Message, extension *ExtensionDesc) (interface{}, error) { return e.value, nil } + if extension.ExtensionType == nil { + // incomplete descriptor + return e.enc, nil + } + v, err := decodeExtension(e.enc, extension) if err != nil { return nil, err @@ -405,6 +359,11 @@ func GetExtension(pb Message, extension *ExtensionDesc) (interface{}, error) { // defaultExtensionValue returns the default value for extension. // If no default for an extension is defined ErrMissingExtension is returned. func defaultExtensionValue(extension *ExtensionDesc) (interface{}, error) { + if extension.ExtensionType == nil { + // incomplete descriptor, so no default + return nil, ErrMissingExtension + } + t := reflect.TypeOf(extension.ExtensionType) props := extensionProperties(extension) @@ -439,31 +398,28 @@ func defaultExtensionValue(extension *ExtensionDesc) (interface{}, error) { // decodeExtension decodes an extension encoded in b. func decodeExtension(b []byte, extension *ExtensionDesc) (interface{}, error) { - o := NewBuffer(b) - t := reflect.TypeOf(extension.ExtensionType) - - props := extensionProperties(extension) + unmarshal := typeUnmarshaler(t, extension.Tag) // t is a pointer to a struct, pointer to basic type or a slice. - // Allocate a "field" to store the pointer/slice itself; the - // pointer/slice will be stored here. We pass - // the address of this field to props.dec. - // This passes a zero field and a *t and lets props.dec - // interpret it as a *struct{ x t }. + // Allocate space to store the pointer/slice. value := reflect.New(t).Elem() + var err error for { - // Discard wire type and field number varint. It isn't needed. - if _, err := o.DecodeVarint(); err != nil { - return nil, err + x, n := decodeVarint(b) + if n == 0 { + return nil, io.ErrUnexpectedEOF } + b = b[n:] + wire := int(x) & 7 - if err := props.dec(o, props, toStructPointer(value.Addr())); err != nil { + b, err = unmarshal(b, valToPointer(value.Addr()), wire) + if err != nil { return nil, err } - if o.index >= len(o.buf) { + if len(b) == 0 { break } } @@ -473,9 +429,9 @@ func decodeExtension(b []byte, extension *ExtensionDesc) (interface{}, error) { // GetExtensions returns a slice of the extensions present in pb that are also listed in es. // The returned slice has the same length as es; missing extensions will appear as nil elements. func GetExtensions(pb Message, es []*ExtensionDesc) (extensions []interface{}, err error) { - epb, ok := extendable(pb) - if !ok { - return nil, errors.New("proto: not an extendable proto") + epb, err := extendable(pb) + if err != nil { + return nil, err } extensions = make([]interface{}, len(es)) for i, e := range es { @@ -494,9 +450,9 @@ func GetExtensions(pb Message, es []*ExtensionDesc) (extensions []interface{}, e // For non-registered extensions, ExtensionDescs returns an incomplete descriptor containing // just the Field field, which defines the extension's field number. func ExtensionDescs(pb Message) ([]*ExtensionDesc, error) { - epb, ok := extendable(pb) - if !ok { - return nil, fmt.Errorf("proto: %T is not an extendable proto.Message", pb) + epb, err := extendable(pb) + if err != nil { + return nil, err } registeredExtensions := RegisteredExtensions(pb) @@ -523,9 +479,9 @@ func ExtensionDescs(pb Message) ([]*ExtensionDesc, error) { // SetExtension sets the specified extension of pb to the specified value. func SetExtension(pb Message, extension *ExtensionDesc, value interface{}) error { - epb, ok := extendable(pb) - if !ok { - return errors.New("proto: not an extendable proto") + epb, err := extendable(pb) + if err != nil { + return err } if err := checkExtensionTypes(epb, extension); err != nil { return err @@ -550,8 +506,8 @@ func SetExtension(pb Message, extension *ExtensionDesc, value interface{}) error // ClearAllExtensions clears all extensions from pb. func ClearAllExtensions(pb Message) { - epb, ok := extendable(pb) - if !ok { + epb, err := extendable(pb) + if err != nil { return } m := epb.extensionsWrite() diff --git a/vendor/github.com/golang/protobuf/proto/lib.go b/vendor/github.com/golang/protobuf/proto/lib.go index 1c225504a..0e2191b8a 100644 --- a/vendor/github.com/golang/protobuf/proto/lib.go +++ b/vendor/github.com/golang/protobuf/proto/lib.go @@ -265,6 +265,7 @@ package proto import ( "encoding/json" + "errors" "fmt" "log" "reflect" @@ -273,6 +274,8 @@ import ( "sync" ) +var errInvalidUTF8 = errors.New("proto: invalid UTF-8 string") + // Message is implemented by generated protocol buffer messages. type Message interface { Reset() @@ -309,16 +312,7 @@ type Buffer struct { buf []byte // encode/decode byte stream index int // read point - // pools of basic types to amortize allocation. - bools []bool - uint32s []uint32 - uint64s []uint64 - - // extra pools, only used with pointer_reflect.go - int32s []int32 - int64s []int64 - float32s []float32 - float64s []float64 + deterministic bool } // NewBuffer allocates a new Buffer and initializes its internal data to @@ -343,6 +337,30 @@ func (p *Buffer) SetBuf(s []byte) { // Bytes returns the contents of the Buffer. func (p *Buffer) Bytes() []byte { return p.buf } +// SetDeterministic sets whether to use deterministic serialization. +// +// Deterministic serialization guarantees that for a given binary, equal +// messages will always be serialized to the same bytes. This implies: +// +// - Repeated serialization of a message will return the same bytes. +// - Different processes of the same binary (which may be executing on +// different machines) will serialize equal messages to the same bytes. +// +// Note that the deterministic serialization is NOT canonical across +// languages. It is not guaranteed to remain stable over time. It is unstable +// across different builds with schema changes due to unknown fields. +// Users who need canonical serialization (e.g., persistent storage in a +// canonical form, fingerprinting, etc.) should define their own +// canonicalization specification and implement their own serializer rather +// than relying on this API. +// +// If deterministic serialization is requested, map entries will be sorted +// by keys in lexographical order. This is an implementation detail and +// subject to change. +func (p *Buffer) SetDeterministic(deterministic bool) { + p.deterministic = deterministic +} + /* * Helper routines for simplifying the creation of optional fields of basic type. */ @@ -831,22 +849,12 @@ func fieldDefault(ft reflect.Type, prop *Properties) (sf *scalarField, nestedMes return sf, false, nil } +// mapKeys returns a sort.Interface to be used for sorting the map keys. // Map fields may have key types of non-float scalars, strings and enums. -// The easiest way to sort them in some deterministic order is to use fmt. -// If this turns out to be inefficient we can always consider other options, -// such as doing a Schwartzian transform. - func mapKeys(vs []reflect.Value) sort.Interface { - s := mapKeySorter{ - vs: vs, - // default Less function: textual comparison - less: func(a, b reflect.Value) bool { - return fmt.Sprint(a.Interface()) < fmt.Sprint(b.Interface()) - }, - } + s := mapKeySorter{vs: vs} - // Type specialization per https://developers.google.com/protocol-buffers/docs/proto#maps; - // numeric keys are sorted numerically. + // Type specialization per https://developers.google.com/protocol-buffers/docs/proto#maps. if len(vs) == 0 { return s } @@ -855,6 +863,12 @@ func mapKeys(vs []reflect.Value) sort.Interface { s.less = func(a, b reflect.Value) bool { return a.Int() < b.Int() } case reflect.Uint32, reflect.Uint64: s.less = func(a, b reflect.Value) bool { return a.Uint() < b.Uint() } + case reflect.Bool: + s.less = func(a, b reflect.Value) bool { return !a.Bool() && b.Bool() } // false < true + case reflect.String: + s.less = func(a, b reflect.Value) bool { return a.String() < b.String() } + default: + panic(fmt.Sprintf("unsupported map key type: %v", vs[0].Kind())) } return s @@ -895,3 +909,13 @@ const ProtoPackageIsVersion2 = true // ProtoPackageIsVersion1 is referenced from generated protocol buffer files // to assert that that code is compatible with this version of the proto package. const ProtoPackageIsVersion1 = true + +// InternalMessageInfo is a type used internally by generated .pb.go files. +// This type is not intended to be used by non-generated code. +// This type is not subject to any compatibility guarantee. +type InternalMessageInfo struct { + marshal *marshalInfo + unmarshal *unmarshalInfo + merge *mergeInfo + discard *discardInfo +} diff --git a/vendor/github.com/golang/protobuf/proto/message_set.go b/vendor/github.com/golang/protobuf/proto/message_set.go index fd982decd..3b6ca41d5 100644 --- a/vendor/github.com/golang/protobuf/proto/message_set.go +++ b/vendor/github.com/golang/protobuf/proto/message_set.go @@ -42,6 +42,7 @@ import ( "fmt" "reflect" "sort" + "sync" ) // errNoMessageTypeID occurs when a protocol buffer does not have a message type ID. @@ -94,10 +95,7 @@ func (ms *messageSet) find(pb Message) *_MessageSet_Item { } func (ms *messageSet) Has(pb Message) bool { - if ms.find(pb) != nil { - return true - } - return false + return ms.find(pb) != nil } func (ms *messageSet) Unmarshal(pb Message) error { @@ -150,46 +148,42 @@ func skipVarint(buf []byte) []byte { // MarshalMessageSet encodes the extension map represented by m in the message set wire format. // It is called by generated Marshal methods on protocol buffer messages with the message_set_wire_format option. func MarshalMessageSet(exts interface{}) ([]byte, error) { - var m map[int32]Extension + return marshalMessageSet(exts, false) +} + +// marshaMessageSet implements above function, with the opt to turn on / off deterministic during Marshal. +func marshalMessageSet(exts interface{}, deterministic bool) ([]byte, error) { switch exts := exts.(type) { case *XXX_InternalExtensions: - if err := encodeExtensions(exts); err != nil { - return nil, err - } - m, _ = exts.extensionsRead() + var u marshalInfo + siz := u.sizeMessageSet(exts) + b := make([]byte, 0, siz) + return u.appendMessageSet(b, exts, deterministic) + case map[int32]Extension: - if err := encodeExtensionsMap(exts); err != nil { - return nil, err + // This is an old-style extension map. + // Wrap it in a new-style XXX_InternalExtensions. + ie := XXX_InternalExtensions{ + p: &struct { + mu sync.Mutex + extensionMap map[int32]Extension + }{ + extensionMap: exts, + }, } - m = exts + + var u marshalInfo + siz := u.sizeMessageSet(&ie) + b := make([]byte, 0, siz) + return u.appendMessageSet(b, &ie, deterministic) + default: return nil, errors.New("proto: not an extension map") } - - // Sort extension IDs to provide a deterministic encoding. - // See also enc_map in encode.go. - ids := make([]int, 0, len(m)) - for id := range m { - ids = append(ids, int(id)) - } - sort.Ints(ids) - - ms := &messageSet{Item: make([]*_MessageSet_Item, 0, len(m))} - for _, id := range ids { - e := m[int32(id)] - // Remove the wire type and field number varint, as well as the length varint. - msg := skipVarint(skipVarint(e.enc)) - - ms.Item = append(ms.Item, &_MessageSet_Item{ - TypeId: Int32(int32(id)), - Message: msg, - }) - } - return Marshal(ms) } // UnmarshalMessageSet decodes the extension map encoded in buf in the message set wire format. -// It is called by generated Unmarshal methods on protocol buffer messages with the message_set_wire_format option. +// It is called by Unmarshal methods on protocol buffer messages with the message_set_wire_format option. func UnmarshalMessageSet(buf []byte, exts interface{}) error { var m map[int32]Extension switch exts := exts.(type) { @@ -235,7 +229,15 @@ func MarshalMessageSetJSON(exts interface{}) ([]byte, error) { var m map[int32]Extension switch exts := exts.(type) { case *XXX_InternalExtensions: - m, _ = exts.extensionsRead() + var mu sync.Locker + m, mu = exts.extensionsRead() + if m != nil { + // Keep the extensions map locked until we're done marshaling to prevent + // races between marshaling and unmarshaling the lazily-{en,de}coded + // values. + mu.Lock() + defer mu.Unlock() + } case map[int32]Extension: m = exts default: @@ -253,15 +255,16 @@ func MarshalMessageSetJSON(exts interface{}) ([]byte, error) { for i, id := range ids { ext := m[id] - if i > 0 { - b.WriteByte(',') - } - msd, ok := messageSetMap[id] if !ok { // Unknown type; we can't render it, so skip it. continue } + + if i > 0 && b.Len() > 1 { + b.WriteByte(',') + } + fmt.Fprintf(&b, `"[%s]":`, msd.name) x := ext.value diff --git a/vendor/github.com/golang/protobuf/proto/pointer_reflect.go b/vendor/github.com/golang/protobuf/proto/pointer_reflect.go index fb512e2e1..b6cad9083 100644 --- a/vendor/github.com/golang/protobuf/proto/pointer_reflect.go +++ b/vendor/github.com/golang/protobuf/proto/pointer_reflect.go @@ -29,7 +29,7 @@ // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// +build appengine js +// +build purego appengine js // This file contains an implementation of proto field accesses using package reflect. // It is slower than the code in pointer_unsafe.go but it avoids package unsafe and can @@ -38,32 +38,13 @@ package proto import ( - "math" "reflect" + "sync" ) -// A structPointer is a pointer to a struct. -type structPointer struct { - v reflect.Value -} - -// toStructPointer returns a structPointer equivalent to the given reflect value. -// The reflect value must itself be a pointer to a struct. -func toStructPointer(v reflect.Value) structPointer { - return structPointer{v} -} - -// IsNil reports whether p is nil. -func structPointer_IsNil(p structPointer) bool { - return p.v.IsNil() -} +const unsafeAllowed = false -// Interface returns the struct pointer as an interface value. -func structPointer_Interface(p structPointer, _ reflect.Type) interface{} { - return p.v.Interface() -} - -// A field identifies a field in a struct, accessible from a structPointer. +// A field identifies a field in a struct, accessible from a pointer. // In this implementation, a field is identified by the sequence of field indices // passed to reflect's FieldByIndex. type field []int @@ -76,409 +57,301 @@ func toField(f *reflect.StructField) field { // invalidField is an invalid field identifier. var invalidField = field(nil) +// zeroField is a noop when calling pointer.offset. +var zeroField = field([]int{}) + // IsValid reports whether the field identifier is valid. func (f field) IsValid() bool { return f != nil } -// field returns the given field in the struct as a reflect value. -func structPointer_field(p structPointer, f field) reflect.Value { - // Special case: an extension map entry with a value of type T - // passes a *T to the struct-handling code with a zero field, - // expecting that it will be treated as equivalent to *struct{ X T }, - // which has the same memory layout. We have to handle that case - // specially, because reflect will panic if we call FieldByIndex on a - // non-struct. - if f == nil { - return p.v.Elem() - } - - return p.v.Elem().FieldByIndex(f) +// The pointer type is for the table-driven decoder. +// The implementation here uses a reflect.Value of pointer type to +// create a generic pointer. In pointer_unsafe.go we use unsafe +// instead of reflect to implement the same (but faster) interface. +type pointer struct { + v reflect.Value } -// ifield returns the given field in the struct as an interface value. -func structPointer_ifield(p structPointer, f field) interface{} { - return structPointer_field(p, f).Addr().Interface() +// toPointer converts an interface of pointer type to a pointer +// that points to the same target. +func toPointer(i *Message) pointer { + return pointer{v: reflect.ValueOf(*i)} } -// Bytes returns the address of a []byte field in the struct. -func structPointer_Bytes(p structPointer, f field) *[]byte { - return structPointer_ifield(p, f).(*[]byte) +// toAddrPointer converts an interface to a pointer that points to +// the interface data. +func toAddrPointer(i *interface{}, isptr bool) pointer { + v := reflect.ValueOf(*i) + u := reflect.New(v.Type()) + u.Elem().Set(v) + return pointer{v: u} } -// BytesSlice returns the address of a [][]byte field in the struct. -func structPointer_BytesSlice(p structPointer, f field) *[][]byte { - return structPointer_ifield(p, f).(*[][]byte) +// valToPointer converts v to a pointer. v must be of pointer type. +func valToPointer(v reflect.Value) pointer { + return pointer{v: v} } -// Bool returns the address of a *bool field in the struct. -func structPointer_Bool(p structPointer, f field) **bool { - return structPointer_ifield(p, f).(**bool) +// offset converts from a pointer to a structure to a pointer to +// one of its fields. +func (p pointer) offset(f field) pointer { + return pointer{v: p.v.Elem().FieldByIndex(f).Addr()} } -// BoolVal returns the address of a bool field in the struct. -func structPointer_BoolVal(p structPointer, f field) *bool { - return structPointer_ifield(p, f).(*bool) +func (p pointer) isNil() bool { + return p.v.IsNil() } -// BoolSlice returns the address of a []bool field in the struct. -func structPointer_BoolSlice(p structPointer, f field) *[]bool { - return structPointer_ifield(p, f).(*[]bool) +// grow updates the slice s in place to make it one element longer. +// s must be addressable. +// Returns the (addressable) new element. +func grow(s reflect.Value) reflect.Value { + n, m := s.Len(), s.Cap() + if n < m { + s.SetLen(n + 1) + } else { + s.Set(reflect.Append(s, reflect.Zero(s.Type().Elem()))) + } + return s.Index(n) } -// String returns the address of a *string field in the struct. -func structPointer_String(p structPointer, f field) **string { - return structPointer_ifield(p, f).(**string) +func (p pointer) toInt64() *int64 { + return p.v.Interface().(*int64) } - -// StringVal returns the address of a string field in the struct. -func structPointer_StringVal(p structPointer, f field) *string { - return structPointer_ifield(p, f).(*string) +func (p pointer) toInt64Ptr() **int64 { + return p.v.Interface().(**int64) } - -// StringSlice returns the address of a []string field in the struct. -func structPointer_StringSlice(p structPointer, f field) *[]string { - return structPointer_ifield(p, f).(*[]string) +func (p pointer) toInt64Slice() *[]int64 { + return p.v.Interface().(*[]int64) } -// Extensions returns the address of an extension map field in the struct. -func structPointer_Extensions(p structPointer, f field) *XXX_InternalExtensions { - return structPointer_ifield(p, f).(*XXX_InternalExtensions) -} +var int32ptr = reflect.TypeOf((*int32)(nil)) -// ExtMap returns the address of an extension map field in the struct. -func structPointer_ExtMap(p structPointer, f field) *map[int32]Extension { - return structPointer_ifield(p, f).(*map[int32]Extension) +func (p pointer) toInt32() *int32 { + return p.v.Convert(int32ptr).Interface().(*int32) } -// NewAt returns the reflect.Value for a pointer to a field in the struct. -func structPointer_NewAt(p structPointer, f field, typ reflect.Type) reflect.Value { - return structPointer_field(p, f).Addr() +// The toInt32Ptr/Slice methods don't work because of enums. +// Instead, we must use set/get methods for the int32ptr/slice case. +/* + func (p pointer) toInt32Ptr() **int32 { + return p.v.Interface().(**int32) } - -// SetStructPointer writes a *struct field in the struct. -func structPointer_SetStructPointer(p structPointer, f field, q structPointer) { - structPointer_field(p, f).Set(q.v) + func (p pointer) toInt32Slice() *[]int32 { + return p.v.Interface().(*[]int32) } - -// GetStructPointer reads a *struct field in the struct. -func structPointer_GetStructPointer(p structPointer, f field) structPointer { - return structPointer{structPointer_field(p, f)} +*/ +func (p pointer) getInt32Ptr() *int32 { + if p.v.Type().Elem().Elem() == reflect.TypeOf(int32(0)) { + // raw int32 type + return p.v.Elem().Interface().(*int32) + } + // an enum + return p.v.Elem().Convert(int32PtrType).Interface().(*int32) +} +func (p pointer) setInt32Ptr(v int32) { + // Allocate value in a *int32. Possibly convert that to a *enum. + // Then assign it to a **int32 or **enum. + // Note: we can convert *int32 to *enum, but we can't convert + // **int32 to **enum! + p.v.Elem().Set(reflect.ValueOf(&v).Convert(p.v.Type().Elem())) +} + +// getInt32Slice copies []int32 from p as a new slice. +// This behavior differs from the implementation in pointer_unsafe.go. +func (p pointer) getInt32Slice() []int32 { + if p.v.Type().Elem().Elem() == reflect.TypeOf(int32(0)) { + // raw int32 type + return p.v.Elem().Interface().([]int32) + } + // an enum + // Allocate a []int32, then assign []enum's values into it. + // Note: we can't convert []enum to []int32. + slice := p.v.Elem() + s := make([]int32, slice.Len()) + for i := 0; i < slice.Len(); i++ { + s[i] = int32(slice.Index(i).Int()) + } + return s } -// StructPointerSlice the address of a []*struct field in the struct. -func structPointer_StructPointerSlice(p structPointer, f field) structPointerSlice { - return structPointerSlice{structPointer_field(p, f)} +// setInt32Slice copies []int32 into p as a new slice. +// This behavior differs from the implementation in pointer_unsafe.go. +func (p pointer) setInt32Slice(v []int32) { + if p.v.Type().Elem().Elem() == reflect.TypeOf(int32(0)) { + // raw int32 type + p.v.Elem().Set(reflect.ValueOf(v)) + return + } + // an enum + // Allocate a []enum, then assign []int32's values into it. + // Note: we can't convert []enum to []int32. + slice := reflect.MakeSlice(p.v.Type().Elem(), len(v), cap(v)) + for i, x := range v { + slice.Index(i).SetInt(int64(x)) + } + p.v.Elem().Set(slice) } - -// A structPointerSlice represents the address of a slice of pointers to structs -// (themselves messages or groups). That is, v.Type() is *[]*struct{...}. -type structPointerSlice struct { - v reflect.Value +func (p pointer) appendInt32Slice(v int32) { + grow(p.v.Elem()).SetInt(int64(v)) } -func (p structPointerSlice) Len() int { return p.v.Len() } -func (p structPointerSlice) Index(i int) structPointer { return structPointer{p.v.Index(i)} } -func (p structPointerSlice) Append(q structPointer) { - p.v.Set(reflect.Append(p.v, q.v)) +func (p pointer) toUint64() *uint64 { + return p.v.Interface().(*uint64) } - -var ( - int32Type = reflect.TypeOf(int32(0)) - uint32Type = reflect.TypeOf(uint32(0)) - float32Type = reflect.TypeOf(float32(0)) - int64Type = reflect.TypeOf(int64(0)) - uint64Type = reflect.TypeOf(uint64(0)) - float64Type = reflect.TypeOf(float64(0)) -) - -// A word32 represents a field of type *int32, *uint32, *float32, or *enum. -// That is, v.Type() is *int32, *uint32, *float32, or *enum and v is assignable. -type word32 struct { - v reflect.Value +func (p pointer) toUint64Ptr() **uint64 { + return p.v.Interface().(**uint64) } - -// IsNil reports whether p is nil. -func word32_IsNil(p word32) bool { - return p.v.IsNil() +func (p pointer) toUint64Slice() *[]uint64 { + return p.v.Interface().(*[]uint64) } - -// Set sets p to point at a newly allocated word with bits set to x. -func word32_Set(p word32, o *Buffer, x uint32) { - t := p.v.Type().Elem() - switch t { - case int32Type: - if len(o.int32s) == 0 { - o.int32s = make([]int32, uint32PoolSize) - } - o.int32s[0] = int32(x) - p.v.Set(reflect.ValueOf(&o.int32s[0])) - o.int32s = o.int32s[1:] - return - case uint32Type: - if len(o.uint32s) == 0 { - o.uint32s = make([]uint32, uint32PoolSize) - } - o.uint32s[0] = x - p.v.Set(reflect.ValueOf(&o.uint32s[0])) - o.uint32s = o.uint32s[1:] - return - case float32Type: - if len(o.float32s) == 0 { - o.float32s = make([]float32, uint32PoolSize) - } - o.float32s[0] = math.Float32frombits(x) - p.v.Set(reflect.ValueOf(&o.float32s[0])) - o.float32s = o.float32s[1:] - return - } - - // must be enum - p.v.Set(reflect.New(t)) - p.v.Elem().SetInt(int64(int32(x))) +func (p pointer) toUint32() *uint32 { + return p.v.Interface().(*uint32) } - -// Get gets the bits pointed at by p, as a uint32. -func word32_Get(p word32) uint32 { - elem := p.v.Elem() - switch elem.Kind() { - case reflect.Int32: - return uint32(elem.Int()) - case reflect.Uint32: - return uint32(elem.Uint()) - case reflect.Float32: - return math.Float32bits(float32(elem.Float())) - } - panic("unreachable") +func (p pointer) toUint32Ptr() **uint32 { + return p.v.Interface().(**uint32) } - -// Word32 returns a reference to a *int32, *uint32, *float32, or *enum field in the struct. -func structPointer_Word32(p structPointer, f field) word32 { - return word32{structPointer_field(p, f)} +func (p pointer) toUint32Slice() *[]uint32 { + return p.v.Interface().(*[]uint32) } - -// A word32Val represents a field of type int32, uint32, float32, or enum. -// That is, v.Type() is int32, uint32, float32, or enum and v is assignable. -type word32Val struct { - v reflect.Value +func (p pointer) toBool() *bool { + return p.v.Interface().(*bool) } - -// Set sets *p to x. -func word32Val_Set(p word32Val, x uint32) { - switch p.v.Type() { - case int32Type: - p.v.SetInt(int64(x)) - return - case uint32Type: - p.v.SetUint(uint64(x)) - return - case float32Type: - p.v.SetFloat(float64(math.Float32frombits(x))) - return - } - - // must be enum - p.v.SetInt(int64(int32(x))) +func (p pointer) toBoolPtr() **bool { + return p.v.Interface().(**bool) } - -// Get gets the bits pointed at by p, as a uint32. -func word32Val_Get(p word32Val) uint32 { - elem := p.v - switch elem.Kind() { - case reflect.Int32: - return uint32(elem.Int()) - case reflect.Uint32: - return uint32(elem.Uint()) - case reflect.Float32: - return math.Float32bits(float32(elem.Float())) - } - panic("unreachable") +func (p pointer) toBoolSlice() *[]bool { + return p.v.Interface().(*[]bool) } - -// Word32Val returns a reference to a int32, uint32, float32, or enum field in the struct. -func structPointer_Word32Val(p structPointer, f field) word32Val { - return word32Val{structPointer_field(p, f)} +func (p pointer) toFloat64() *float64 { + return p.v.Interface().(*float64) } - -// A word32Slice is a slice of 32-bit values. -// That is, v.Type() is []int32, []uint32, []float32, or []enum. -type word32Slice struct { - v reflect.Value +func (p pointer) toFloat64Ptr() **float64 { + return p.v.Interface().(**float64) } - -func (p word32Slice) Append(x uint32) { - n, m := p.v.Len(), p.v.Cap() - if n < m { - p.v.SetLen(n + 1) - } else { - t := p.v.Type().Elem() - p.v.Set(reflect.Append(p.v, reflect.Zero(t))) - } - elem := p.v.Index(n) - switch elem.Kind() { - case reflect.Int32: - elem.SetInt(int64(int32(x))) - case reflect.Uint32: - elem.SetUint(uint64(x)) - case reflect.Float32: - elem.SetFloat(float64(math.Float32frombits(x))) - } +func (p pointer) toFloat64Slice() *[]float64 { + return p.v.Interface().(*[]float64) } - -func (p word32Slice) Len() int { - return p.v.Len() +func (p pointer) toFloat32() *float32 { + return p.v.Interface().(*float32) } - -func (p word32Slice) Index(i int) uint32 { - elem := p.v.Index(i) - switch elem.Kind() { - case reflect.Int32: - return uint32(elem.Int()) - case reflect.Uint32: - return uint32(elem.Uint()) - case reflect.Float32: - return math.Float32bits(float32(elem.Float())) - } - panic("unreachable") +func (p pointer) toFloat32Ptr() **float32 { + return p.v.Interface().(**float32) } - -// Word32Slice returns a reference to a []int32, []uint32, []float32, or []enum field in the struct. -func structPointer_Word32Slice(p structPointer, f field) word32Slice { - return word32Slice{structPointer_field(p, f)} +func (p pointer) toFloat32Slice() *[]float32 { + return p.v.Interface().(*[]float32) } - -// word64 is like word32 but for 64-bit values. -type word64 struct { - v reflect.Value +func (p pointer) toString() *string { + return p.v.Interface().(*string) } - -func word64_Set(p word64, o *Buffer, x uint64) { - t := p.v.Type().Elem() - switch t { - case int64Type: - if len(o.int64s) == 0 { - o.int64s = make([]int64, uint64PoolSize) - } - o.int64s[0] = int64(x) - p.v.Set(reflect.ValueOf(&o.int64s[0])) - o.int64s = o.int64s[1:] - return - case uint64Type: - if len(o.uint64s) == 0 { - o.uint64s = make([]uint64, uint64PoolSize) - } - o.uint64s[0] = x - p.v.Set(reflect.ValueOf(&o.uint64s[0])) - o.uint64s = o.uint64s[1:] - return - case float64Type: - if len(o.float64s) == 0 { - o.float64s = make([]float64, uint64PoolSize) - } - o.float64s[0] = math.Float64frombits(x) - p.v.Set(reflect.ValueOf(&o.float64s[0])) - o.float64s = o.float64s[1:] - return - } - panic("unreachable") +func (p pointer) toStringPtr() **string { + return p.v.Interface().(**string) } - -func word64_IsNil(p word64) bool { - return p.v.IsNil() +func (p pointer) toStringSlice() *[]string { + return p.v.Interface().(*[]string) } - -func word64_Get(p word64) uint64 { - elem := p.v.Elem() - switch elem.Kind() { - case reflect.Int64: - return uint64(elem.Int()) - case reflect.Uint64: - return elem.Uint() - case reflect.Float64: - return math.Float64bits(elem.Float()) - } - panic("unreachable") +func (p pointer) toBytes() *[]byte { + return p.v.Interface().(*[]byte) } - -func structPointer_Word64(p structPointer, f field) word64 { - return word64{structPointer_field(p, f)} +func (p pointer) toBytesSlice() *[][]byte { + return p.v.Interface().(*[][]byte) +} +func (p pointer) toExtensions() *XXX_InternalExtensions { + return p.v.Interface().(*XXX_InternalExtensions) +} +func (p pointer) toOldExtensions() *map[int32]Extension { + return p.v.Interface().(*map[int32]Extension) +} +func (p pointer) getPointer() pointer { + return pointer{v: p.v.Elem()} +} +func (p pointer) setPointer(q pointer) { + p.v.Elem().Set(q.v) +} +func (p pointer) appendPointer(q pointer) { + grow(p.v.Elem()).Set(q.v) } -// word64Val is like word32Val but for 64-bit values. -type word64Val struct { - v reflect.Value +// getPointerSlice copies []*T from p as a new []pointer. +// This behavior differs from the implementation in pointer_unsafe.go. +func (p pointer) getPointerSlice() []pointer { + if p.v.IsNil() { + return nil + } + n := p.v.Elem().Len() + s := make([]pointer, n) + for i := 0; i < n; i++ { + s[i] = pointer{v: p.v.Elem().Index(i)} + } + return s } -func word64Val_Set(p word64Val, o *Buffer, x uint64) { - switch p.v.Type() { - case int64Type: - p.v.SetInt(int64(x)) - return - case uint64Type: - p.v.SetUint(x) - return - case float64Type: - p.v.SetFloat(math.Float64frombits(x)) +// setPointerSlice copies []pointer into p as a new []*T. +// This behavior differs from the implementation in pointer_unsafe.go. +func (p pointer) setPointerSlice(v []pointer) { + if v == nil { + p.v.Elem().Set(reflect.New(p.v.Elem().Type()).Elem()) return } - panic("unreachable") + s := reflect.MakeSlice(p.v.Elem().Type(), 0, len(v)) + for _, p := range v { + s = reflect.Append(s, p.v) + } + p.v.Elem().Set(s) } -func word64Val_Get(p word64Val) uint64 { - elem := p.v - switch elem.Kind() { - case reflect.Int64: - return uint64(elem.Int()) - case reflect.Uint64: - return elem.Uint() - case reflect.Float64: - return math.Float64bits(elem.Float()) +// getInterfacePointer returns a pointer that points to the +// interface data of the interface pointed by p. +func (p pointer) getInterfacePointer() pointer { + if p.v.Elem().IsNil() { + return pointer{v: p.v.Elem()} } - panic("unreachable") + return pointer{v: p.v.Elem().Elem().Elem().Field(0).Addr()} // *interface -> interface -> *struct -> struct } -func structPointer_Word64Val(p structPointer, f field) word64Val { - return word64Val{structPointer_field(p, f)} +func (p pointer) asPointerTo(t reflect.Type) reflect.Value { + // TODO: check that p.v.Type().Elem() == t? + return p.v } -type word64Slice struct { - v reflect.Value +func atomicLoadUnmarshalInfo(p **unmarshalInfo) *unmarshalInfo { + atomicLock.Lock() + defer atomicLock.Unlock() + return *p } - -func (p word64Slice) Append(x uint64) { - n, m := p.v.Len(), p.v.Cap() - if n < m { - p.v.SetLen(n + 1) - } else { - t := p.v.Type().Elem() - p.v.Set(reflect.Append(p.v, reflect.Zero(t))) - } - elem := p.v.Index(n) - switch elem.Kind() { - case reflect.Int64: - elem.SetInt(int64(int64(x))) - case reflect.Uint64: - elem.SetUint(uint64(x)) - case reflect.Float64: - elem.SetFloat(float64(math.Float64frombits(x))) - } +func atomicStoreUnmarshalInfo(p **unmarshalInfo, v *unmarshalInfo) { + atomicLock.Lock() + defer atomicLock.Unlock() + *p = v } - -func (p word64Slice) Len() int { - return p.v.Len() +func atomicLoadMarshalInfo(p **marshalInfo) *marshalInfo { + atomicLock.Lock() + defer atomicLock.Unlock() + return *p } - -func (p word64Slice) Index(i int) uint64 { - elem := p.v.Index(i) - switch elem.Kind() { - case reflect.Int64: - return uint64(elem.Int()) - case reflect.Uint64: - return uint64(elem.Uint()) - case reflect.Float64: - return math.Float64bits(float64(elem.Float())) - } - panic("unreachable") +func atomicStoreMarshalInfo(p **marshalInfo, v *marshalInfo) { + atomicLock.Lock() + defer atomicLock.Unlock() + *p = v } - -func structPointer_Word64Slice(p structPointer, f field) word64Slice { - return word64Slice{structPointer_field(p, f)} +func atomicLoadMergeInfo(p **mergeInfo) *mergeInfo { + atomicLock.Lock() + defer atomicLock.Unlock() + return *p +} +func atomicStoreMergeInfo(p **mergeInfo, v *mergeInfo) { + atomicLock.Lock() + defer atomicLock.Unlock() + *p = v } +func atomicLoadDiscardInfo(p **discardInfo) *discardInfo { + atomicLock.Lock() + defer atomicLock.Unlock() + return *p +} +func atomicStoreDiscardInfo(p **discardInfo, v *discardInfo) { + atomicLock.Lock() + defer atomicLock.Unlock() + *p = v +} + +var atomicLock sync.Mutex diff --git a/vendor/github.com/golang/protobuf/proto/pointer_unsafe.go b/vendor/github.com/golang/protobuf/proto/pointer_unsafe.go index 6b5567d47..d55a335d9 100644 --- a/vendor/github.com/golang/protobuf/proto/pointer_unsafe.go +++ b/vendor/github.com/golang/protobuf/proto/pointer_unsafe.go @@ -29,7 +29,7 @@ // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// +build !appengine,!js +// +build !purego,!appengine,!js // This file contains the implementation of the proto field accesses using package unsafe. @@ -37,38 +37,13 @@ package proto import ( "reflect" + "sync/atomic" "unsafe" ) -// NOTE: These type_Foo functions would more idiomatically be methods, -// but Go does not allow methods on pointer types, and we must preserve -// some pointer type for the garbage collector. We use these -// funcs with clunky names as our poor approximation to methods. -// -// An alternative would be -// type structPointer struct { p unsafe.Pointer } -// but that does not registerize as well. - -// A structPointer is a pointer to a struct. -type structPointer unsafe.Pointer - -// toStructPointer returns a structPointer equivalent to the given reflect value. -func toStructPointer(v reflect.Value) structPointer { - return structPointer(unsafe.Pointer(v.Pointer())) -} - -// IsNil reports whether p is nil. -func structPointer_IsNil(p structPointer) bool { - return p == nil -} - -// Interface returns the struct pointer, assumed to have element type t, -// as an interface value. -func structPointer_Interface(p structPointer, t reflect.Type) interface{} { - return reflect.NewAt(t, unsafe.Pointer(p)).Interface() -} +const unsafeAllowed = true -// A field identifies a field in a struct, accessible from a structPointer. +// A field identifies a field in a struct, accessible from a pointer. // In this implementation, a field is identified by its byte offset from the start of the struct. type field uintptr @@ -80,191 +55,254 @@ func toField(f *reflect.StructField) field { // invalidField is an invalid field identifier. const invalidField = ^field(0) +// zeroField is a noop when calling pointer.offset. +const zeroField = field(0) + // IsValid reports whether the field identifier is valid. func (f field) IsValid() bool { - return f != ^field(0) + return f != invalidField } -// Bytes returns the address of a []byte field in the struct. -func structPointer_Bytes(p structPointer, f field) *[]byte { - return (*[]byte)(unsafe.Pointer(uintptr(p) + uintptr(f))) +// The pointer type below is for the new table-driven encoder/decoder. +// The implementation here uses unsafe.Pointer to create a generic pointer. +// In pointer_reflect.go we use reflect instead of unsafe to implement +// the same (but slower) interface. +type pointer struct { + p unsafe.Pointer } -// BytesSlice returns the address of a [][]byte field in the struct. -func structPointer_BytesSlice(p structPointer, f field) *[][]byte { - return (*[][]byte)(unsafe.Pointer(uintptr(p) + uintptr(f))) -} +// size of pointer +var ptrSize = unsafe.Sizeof(uintptr(0)) -// Bool returns the address of a *bool field in the struct. -func structPointer_Bool(p structPointer, f field) **bool { - return (**bool)(unsafe.Pointer(uintptr(p) + uintptr(f))) +// toPointer converts an interface of pointer type to a pointer +// that points to the same target. +func toPointer(i *Message) pointer { + // Super-tricky - read pointer out of data word of interface value. + // Saves ~25ns over the equivalent: + // return valToPointer(reflect.ValueOf(*i)) + return pointer{p: (*[2]unsafe.Pointer)(unsafe.Pointer(i))[1]} } -// BoolVal returns the address of a bool field in the struct. -func structPointer_BoolVal(p structPointer, f field) *bool { - return (*bool)(unsafe.Pointer(uintptr(p) + uintptr(f))) +// toAddrPointer converts an interface to a pointer that points to +// the interface data. +func toAddrPointer(i *interface{}, isptr bool) pointer { + // Super-tricky - read or get the address of data word of interface value. + if isptr { + // The interface is of pointer type, thus it is a direct interface. + // The data word is the pointer data itself. We take its address. + return pointer{p: unsafe.Pointer(uintptr(unsafe.Pointer(i)) + ptrSize)} + } + // The interface is not of pointer type. The data word is the pointer + // to the data. + return pointer{p: (*[2]unsafe.Pointer)(unsafe.Pointer(i))[1]} } -// BoolSlice returns the address of a []bool field in the struct. -func structPointer_BoolSlice(p structPointer, f field) *[]bool { - return (*[]bool)(unsafe.Pointer(uintptr(p) + uintptr(f))) +// valToPointer converts v to a pointer. v must be of pointer type. +func valToPointer(v reflect.Value) pointer { + return pointer{p: unsafe.Pointer(v.Pointer())} } -// String returns the address of a *string field in the struct. -func structPointer_String(p structPointer, f field) **string { - return (**string)(unsafe.Pointer(uintptr(p) + uintptr(f))) +// offset converts from a pointer to a structure to a pointer to +// one of its fields. +func (p pointer) offset(f field) pointer { + // For safety, we should panic if !f.IsValid, however calling panic causes + // this to no longer be inlineable, which is a serious performance cost. + /* + if !f.IsValid() { + panic("invalid field") + } + */ + return pointer{p: unsafe.Pointer(uintptr(p.p) + uintptr(f))} } -// StringVal returns the address of a string field in the struct. -func structPointer_StringVal(p structPointer, f field) *string { - return (*string)(unsafe.Pointer(uintptr(p) + uintptr(f))) +func (p pointer) isNil() bool { + return p.p == nil } -// StringSlice returns the address of a []string field in the struct. -func structPointer_StringSlice(p structPointer, f field) *[]string { - return (*[]string)(unsafe.Pointer(uintptr(p) + uintptr(f))) +func (p pointer) toInt64() *int64 { + return (*int64)(p.p) } - -// ExtMap returns the address of an extension map field in the struct. -func structPointer_Extensions(p structPointer, f field) *XXX_InternalExtensions { - return (*XXX_InternalExtensions)(unsafe.Pointer(uintptr(p) + uintptr(f))) +func (p pointer) toInt64Ptr() **int64 { + return (**int64)(p.p) } - -func structPointer_ExtMap(p structPointer, f field) *map[int32]Extension { - return (*map[int32]Extension)(unsafe.Pointer(uintptr(p) + uintptr(f))) +func (p pointer) toInt64Slice() *[]int64 { + return (*[]int64)(p.p) } - -// NewAt returns the reflect.Value for a pointer to a field in the struct. -func structPointer_NewAt(p structPointer, f field, typ reflect.Type) reflect.Value { - return reflect.NewAt(typ, unsafe.Pointer(uintptr(p)+uintptr(f))) +func (p pointer) toInt32() *int32 { + return (*int32)(p.p) } -// SetStructPointer writes a *struct field in the struct. -func structPointer_SetStructPointer(p structPointer, f field, q structPointer) { - *(*structPointer)(unsafe.Pointer(uintptr(p) + uintptr(f))) = q +// See pointer_reflect.go for why toInt32Ptr/Slice doesn't exist. +/* + func (p pointer) toInt32Ptr() **int32 { + return (**int32)(p.p) + } + func (p pointer) toInt32Slice() *[]int32 { + return (*[]int32)(p.p) + } +*/ +func (p pointer) getInt32Ptr() *int32 { + return *(**int32)(p.p) } - -// GetStructPointer reads a *struct field in the struct. -func structPointer_GetStructPointer(p structPointer, f field) structPointer { - return *(*structPointer)(unsafe.Pointer(uintptr(p) + uintptr(f))) +func (p pointer) setInt32Ptr(v int32) { + *(**int32)(p.p) = &v } -// StructPointerSlice the address of a []*struct field in the struct. -func structPointer_StructPointerSlice(p structPointer, f field) *structPointerSlice { - return (*structPointerSlice)(unsafe.Pointer(uintptr(p) + uintptr(f))) +// getInt32Slice loads a []int32 from p. +// The value returned is aliased with the original slice. +// This behavior differs from the implementation in pointer_reflect.go. +func (p pointer) getInt32Slice() []int32 { + return *(*[]int32)(p.p) } -// A structPointerSlice represents a slice of pointers to structs (themselves submessages or groups). -type structPointerSlice []structPointer - -func (v *structPointerSlice) Len() int { return len(*v) } -func (v *structPointerSlice) Index(i int) structPointer { return (*v)[i] } -func (v *structPointerSlice) Append(p structPointer) { *v = append(*v, p) } - -// A word32 is the address of a "pointer to 32-bit value" field. -type word32 **uint32 - -// IsNil reports whether *v is nil. -func word32_IsNil(p word32) bool { - return *p == nil +// setInt32Slice stores a []int32 to p. +// The value set is aliased with the input slice. +// This behavior differs from the implementation in pointer_reflect.go. +func (p pointer) setInt32Slice(v []int32) { + *(*[]int32)(p.p) = v } -// Set sets *v to point at a newly allocated word set to x. -func word32_Set(p word32, o *Buffer, x uint32) { - if len(o.uint32s) == 0 { - o.uint32s = make([]uint32, uint32PoolSize) - } - o.uint32s[0] = x - *p = &o.uint32s[0] - o.uint32s = o.uint32s[1:] +// TODO: Can we get rid of appendInt32Slice and use setInt32Slice instead? +func (p pointer) appendInt32Slice(v int32) { + s := (*[]int32)(p.p) + *s = append(*s, v) } -// Get gets the value pointed at by *v. -func word32_Get(p word32) uint32 { - return **p +func (p pointer) toUint64() *uint64 { + return (*uint64)(p.p) } - -// Word32 returns the address of a *int32, *uint32, *float32, or *enum field in the struct. -func structPointer_Word32(p structPointer, f field) word32 { - return word32((**uint32)(unsafe.Pointer(uintptr(p) + uintptr(f)))) +func (p pointer) toUint64Ptr() **uint64 { + return (**uint64)(p.p) } - -// A word32Val is the address of a 32-bit value field. -type word32Val *uint32 - -// Set sets *p to x. -func word32Val_Set(p word32Val, x uint32) { - *p = x +func (p pointer) toUint64Slice() *[]uint64 { + return (*[]uint64)(p.p) } - -// Get gets the value pointed at by p. -func word32Val_Get(p word32Val) uint32 { - return *p +func (p pointer) toUint32() *uint32 { + return (*uint32)(p.p) } - -// Word32Val returns the address of a *int32, *uint32, *float32, or *enum field in the struct. -func structPointer_Word32Val(p structPointer, f field) word32Val { - return word32Val((*uint32)(unsafe.Pointer(uintptr(p) + uintptr(f)))) +func (p pointer) toUint32Ptr() **uint32 { + return (**uint32)(p.p) } - -// A word32Slice is a slice of 32-bit values. -type word32Slice []uint32 - -func (v *word32Slice) Append(x uint32) { *v = append(*v, x) } -func (v *word32Slice) Len() int { return len(*v) } -func (v *word32Slice) Index(i int) uint32 { return (*v)[i] } - -// Word32Slice returns the address of a []int32, []uint32, []float32, or []enum field in the struct. -func structPointer_Word32Slice(p structPointer, f field) *word32Slice { - return (*word32Slice)(unsafe.Pointer(uintptr(p) + uintptr(f))) +func (p pointer) toUint32Slice() *[]uint32 { + return (*[]uint32)(p.p) } - -// word64 is like word32 but for 64-bit values. -type word64 **uint64 - -func word64_Set(p word64, o *Buffer, x uint64) { - if len(o.uint64s) == 0 { - o.uint64s = make([]uint64, uint64PoolSize) - } - o.uint64s[0] = x - *p = &o.uint64s[0] - o.uint64s = o.uint64s[1:] +func (p pointer) toBool() *bool { + return (*bool)(p.p) } - -func word64_IsNil(p word64) bool { - return *p == nil +func (p pointer) toBoolPtr() **bool { + return (**bool)(p.p) } - -func word64_Get(p word64) uint64 { - return **p +func (p pointer) toBoolSlice() *[]bool { + return (*[]bool)(p.p) +} +func (p pointer) toFloat64() *float64 { + return (*float64)(p.p) +} +func (p pointer) toFloat64Ptr() **float64 { + return (**float64)(p.p) +} +func (p pointer) toFloat64Slice() *[]float64 { + return (*[]float64)(p.p) +} +func (p pointer) toFloat32() *float32 { + return (*float32)(p.p) +} +func (p pointer) toFloat32Ptr() **float32 { + return (**float32)(p.p) +} +func (p pointer) toFloat32Slice() *[]float32 { + return (*[]float32)(p.p) +} +func (p pointer) toString() *string { + return (*string)(p.p) +} +func (p pointer) toStringPtr() **string { + return (**string)(p.p) +} +func (p pointer) toStringSlice() *[]string { + return (*[]string)(p.p) +} +func (p pointer) toBytes() *[]byte { + return (*[]byte)(p.p) +} +func (p pointer) toBytesSlice() *[][]byte { + return (*[][]byte)(p.p) +} +func (p pointer) toExtensions() *XXX_InternalExtensions { + return (*XXX_InternalExtensions)(p.p) +} +func (p pointer) toOldExtensions() *map[int32]Extension { + return (*map[int32]Extension)(p.p) } -func structPointer_Word64(p structPointer, f field) word64 { - return word64((**uint64)(unsafe.Pointer(uintptr(p) + uintptr(f)))) +// getPointerSlice loads []*T from p as a []pointer. +// The value returned is aliased with the original slice. +// This behavior differs from the implementation in pointer_reflect.go. +func (p pointer) getPointerSlice() []pointer { + // Super-tricky - p should point to a []*T where T is a + // message type. We load it as []pointer. + return *(*[]pointer)(p.p) } -// word64Val is like word32Val but for 64-bit values. -type word64Val *uint64 +// setPointerSlice stores []pointer into p as a []*T. +// The value set is aliased with the input slice. +// This behavior differs from the implementation in pointer_reflect.go. +func (p pointer) setPointerSlice(v []pointer) { + // Super-tricky - p should point to a []*T where T is a + // message type. We store it as []pointer. + *(*[]pointer)(p.p) = v +} -func word64Val_Set(p word64Val, o *Buffer, x uint64) { - *p = x +// getPointer loads the pointer at p and returns it. +func (p pointer) getPointer() pointer { + return pointer{p: *(*unsafe.Pointer)(p.p)} } -func word64Val_Get(p word64Val) uint64 { - return *p +// setPointer stores the pointer q at p. +func (p pointer) setPointer(q pointer) { + *(*unsafe.Pointer)(p.p) = q.p } -func structPointer_Word64Val(p structPointer, f field) word64Val { - return word64Val((*uint64)(unsafe.Pointer(uintptr(p) + uintptr(f)))) +// append q to the slice pointed to by p. +func (p pointer) appendPointer(q pointer) { + s := (*[]unsafe.Pointer)(p.p) + *s = append(*s, q.p) } -// word64Slice is like word32Slice but for 64-bit values. -type word64Slice []uint64 +// getInterfacePointer returns a pointer that points to the +// interface data of the interface pointed by p. +func (p pointer) getInterfacePointer() pointer { + // Super-tricky - read pointer out of data word of interface value. + return pointer{p: (*(*[2]unsafe.Pointer)(p.p))[1]} +} -func (v *word64Slice) Append(x uint64) { *v = append(*v, x) } -func (v *word64Slice) Len() int { return len(*v) } -func (v *word64Slice) Index(i int) uint64 { return (*v)[i] } +// asPointerTo returns a reflect.Value that is a pointer to an +// object of type t stored at p. +func (p pointer) asPointerTo(t reflect.Type) reflect.Value { + return reflect.NewAt(t, p.p) +} -func structPointer_Word64Slice(p structPointer, f field) *word64Slice { - return (*word64Slice)(unsafe.Pointer(uintptr(p) + uintptr(f))) +func atomicLoadUnmarshalInfo(p **unmarshalInfo) *unmarshalInfo { + return (*unmarshalInfo)(atomic.LoadPointer((*unsafe.Pointer)(unsafe.Pointer(p)))) +} +func atomicStoreUnmarshalInfo(p **unmarshalInfo, v *unmarshalInfo) { + atomic.StorePointer((*unsafe.Pointer)(unsafe.Pointer(p)), unsafe.Pointer(v)) +} +func atomicLoadMarshalInfo(p **marshalInfo) *marshalInfo { + return (*marshalInfo)(atomic.LoadPointer((*unsafe.Pointer)(unsafe.Pointer(p)))) +} +func atomicStoreMarshalInfo(p **marshalInfo, v *marshalInfo) { + atomic.StorePointer((*unsafe.Pointer)(unsafe.Pointer(p)), unsafe.Pointer(v)) +} +func atomicLoadMergeInfo(p **mergeInfo) *mergeInfo { + return (*mergeInfo)(atomic.LoadPointer((*unsafe.Pointer)(unsafe.Pointer(p)))) +} +func atomicStoreMergeInfo(p **mergeInfo, v *mergeInfo) { + atomic.StorePointer((*unsafe.Pointer)(unsafe.Pointer(p)), unsafe.Pointer(v)) +} +func atomicLoadDiscardInfo(p **discardInfo) *discardInfo { + return (*discardInfo)(atomic.LoadPointer((*unsafe.Pointer)(unsafe.Pointer(p)))) +} +func atomicStoreDiscardInfo(p **discardInfo, v *discardInfo) { + atomic.StorePointer((*unsafe.Pointer)(unsafe.Pointer(p)), unsafe.Pointer(v)) } diff --git a/vendor/github.com/golang/protobuf/proto/properties.go b/vendor/github.com/golang/protobuf/proto/properties.go index ec2289c00..1f272c06a 100644 --- a/vendor/github.com/golang/protobuf/proto/properties.go +++ b/vendor/github.com/golang/protobuf/proto/properties.go @@ -58,42 +58,6 @@ const ( WireFixed32 = 5 ) -const startSize = 10 // initial slice/string sizes - -// Encoders are defined in encode.go -// An encoder outputs the full representation of a field, including its -// tag and encoder type. -type encoder func(p *Buffer, prop *Properties, base structPointer) error - -// A valueEncoder encodes a single integer in a particular encoding. -type valueEncoder func(o *Buffer, x uint64) error - -// Sizers are defined in encode.go -// A sizer returns the encoded size of a field, including its tag and encoder -// type. -type sizer func(prop *Properties, base structPointer) int - -// A valueSizer returns the encoded size of a single integer in a particular -// encoding. -type valueSizer func(x uint64) int - -// Decoders are defined in decode.go -// A decoder creates a value from its wire representation. -// Unrecognized subelements are saved in unrec. -type decoder func(p *Buffer, prop *Properties, base structPointer) error - -// A valueDecoder decodes a single integer in a particular encoding. -type valueDecoder func(o *Buffer) (x uint64, err error) - -// A oneofMarshaler does the marshaling for all oneof fields in a message. -type oneofMarshaler func(Message, *Buffer) error - -// A oneofUnmarshaler does the unmarshaling for a oneof field in a message. -type oneofUnmarshaler func(Message, int, int, *Buffer) (bool, error) - -// A oneofSizer does the sizing for all oneof fields in a message. -type oneofSizer func(Message) int - // tagMap is an optimization over map[int]int for typical protocol buffer // use-cases. Encoded protocol buffers are often in tag order with small tag // numbers. @@ -140,13 +104,6 @@ type StructProperties struct { decoderTags tagMap // map from proto tag to struct field number decoderOrigNames map[string]int // map from original name to struct field number order []int // list of struct field numbers in tag order - unrecField field // field id of the XXX_unrecognized []byte field - extendable bool // is this an extendable proto - - oneofMarshaler oneofMarshaler - oneofUnmarshaler oneofUnmarshaler - oneofSizer oneofSizer - stype reflect.Type // OneofTypes contains information about the oneof fields in this message. // It is keyed by the original name of a field. @@ -182,41 +139,24 @@ type Properties struct { Repeated bool Packed bool // relevant for repeated primitives only Enum string // set for enum types only - proto3 bool // whether this is known to be a proto3 field; set for []byte only + proto3 bool // whether this is known to be a proto3 field oneof bool // whether this is a oneof field Default string // default value HasDefault bool // whether an explicit default was provided - def_uint64 uint64 - - enc encoder - valEnc valueEncoder // set for bool and numeric types only - field field - tagcode []byte // encoding of EncodeVarint((Tag<<3)|WireType) - tagbuf [8]byte - stype reflect.Type // set for struct types only - sprop *StructProperties // set for struct types only - isMarshaler bool - isUnmarshaler bool + + stype reflect.Type // set for struct types only + sprop *StructProperties // set for struct types only mtype reflect.Type // set for map types only mkeyprop *Properties // set for map types only mvalprop *Properties // set for map types only - - size sizer - valSize valueSizer // set for bool and numeric types only - - dec decoder - valDec valueDecoder // set for bool and numeric types only - - // If this is a packable field, this will be the decoder for the packed version of the field. - packedDec decoder } // String formats the properties in the protobuf struct field tag style. func (p *Properties) String() string { s := p.Wire - s = "," + s += "," s += strconv.Itoa(p.Tag) if p.Required { s += ",req" @@ -262,29 +202,14 @@ func (p *Properties) Parse(s string) { switch p.Wire { case "varint": p.WireType = WireVarint - p.valEnc = (*Buffer).EncodeVarint - p.valDec = (*Buffer).DecodeVarint - p.valSize = sizeVarint case "fixed32": p.WireType = WireFixed32 - p.valEnc = (*Buffer).EncodeFixed32 - p.valDec = (*Buffer).DecodeFixed32 - p.valSize = sizeFixed32 case "fixed64": p.WireType = WireFixed64 - p.valEnc = (*Buffer).EncodeFixed64 - p.valDec = (*Buffer).DecodeFixed64 - p.valSize = sizeFixed64 case "zigzag32": p.WireType = WireVarint - p.valEnc = (*Buffer).EncodeZigzag32 - p.valDec = (*Buffer).DecodeZigzag32 - p.valSize = sizeZigzag32 case "zigzag64": p.WireType = WireVarint - p.valEnc = (*Buffer).EncodeZigzag64 - p.valDec = (*Buffer).DecodeZigzag64 - p.valSize = sizeZigzag64 case "bytes", "group": p.WireType = WireBytes // no numeric converter for non-numeric types @@ -299,6 +224,7 @@ func (p *Properties) Parse(s string) { return } +outer: for i := 2; i < len(fields); i++ { f := fields[i] switch { @@ -326,229 +252,28 @@ func (p *Properties) Parse(s string) { if i+1 < len(fields) { // Commas aren't escaped, and def is always last. p.Default += "," + strings.Join(fields[i+1:], ",") - break + break outer } } } } -func logNoSliceEnc(t1, t2 reflect.Type) { - fmt.Fprintf(os.Stderr, "proto: no slice oenc for %T = []%T\n", t1, t2) -} - var protoMessageType = reflect.TypeOf((*Message)(nil)).Elem() -// Initialize the fields for encoding and decoding. -func (p *Properties) setEncAndDec(typ reflect.Type, f *reflect.StructField, lockGetProp bool) { - p.enc = nil - p.dec = nil - p.size = nil - +// setFieldProps initializes the field properties for submessages and maps. +func (p *Properties) setFieldProps(typ reflect.Type, f *reflect.StructField, lockGetProp bool) { switch t1 := typ; t1.Kind() { - default: - fmt.Fprintf(os.Stderr, "proto: no coders for %v\n", t1) - - // proto3 scalar types - - case reflect.Bool: - p.enc = (*Buffer).enc_proto3_bool - p.dec = (*Buffer).dec_proto3_bool - p.size = size_proto3_bool - case reflect.Int32: - p.enc = (*Buffer).enc_proto3_int32 - p.dec = (*Buffer).dec_proto3_int32 - p.size = size_proto3_int32 - case reflect.Uint32: - p.enc = (*Buffer).enc_proto3_uint32 - p.dec = (*Buffer).dec_proto3_int32 // can reuse - p.size = size_proto3_uint32 - case reflect.Int64, reflect.Uint64: - p.enc = (*Buffer).enc_proto3_int64 - p.dec = (*Buffer).dec_proto3_int64 - p.size = size_proto3_int64 - case reflect.Float32: - p.enc = (*Buffer).enc_proto3_uint32 // can just treat them as bits - p.dec = (*Buffer).dec_proto3_int32 - p.size = size_proto3_uint32 - case reflect.Float64: - p.enc = (*Buffer).enc_proto3_int64 // can just treat them as bits - p.dec = (*Buffer).dec_proto3_int64 - p.size = size_proto3_int64 - case reflect.String: - p.enc = (*Buffer).enc_proto3_string - p.dec = (*Buffer).dec_proto3_string - p.size = size_proto3_string - case reflect.Ptr: - switch t2 := t1.Elem(); t2.Kind() { - default: - fmt.Fprintf(os.Stderr, "proto: no encoder function for %v -> %v\n", t1, t2) - break - case reflect.Bool: - p.enc = (*Buffer).enc_bool - p.dec = (*Buffer).dec_bool - p.size = size_bool - case reflect.Int32: - p.enc = (*Buffer).enc_int32 - p.dec = (*Buffer).dec_int32 - p.size = size_int32 - case reflect.Uint32: - p.enc = (*Buffer).enc_uint32 - p.dec = (*Buffer).dec_int32 // can reuse - p.size = size_uint32 - case reflect.Int64, reflect.Uint64: - p.enc = (*Buffer).enc_int64 - p.dec = (*Buffer).dec_int64 - p.size = size_int64 - case reflect.Float32: - p.enc = (*Buffer).enc_uint32 // can just treat them as bits - p.dec = (*Buffer).dec_int32 - p.size = size_uint32 - case reflect.Float64: - p.enc = (*Buffer).enc_int64 // can just treat them as bits - p.dec = (*Buffer).dec_int64 - p.size = size_int64 - case reflect.String: - p.enc = (*Buffer).enc_string - p.dec = (*Buffer).dec_string - p.size = size_string - case reflect.Struct: + if t1.Elem().Kind() == reflect.Struct { p.stype = t1.Elem() - p.isMarshaler = isMarshaler(t1) - p.isUnmarshaler = isUnmarshaler(t1) - if p.Wire == "bytes" { - p.enc = (*Buffer).enc_struct_message - p.dec = (*Buffer).dec_struct_message - p.size = size_struct_message - } else { - p.enc = (*Buffer).enc_struct_group - p.dec = (*Buffer).dec_struct_group - p.size = size_struct_group - } } case reflect.Slice: - switch t2 := t1.Elem(); t2.Kind() { - default: - logNoSliceEnc(t1, t2) - break - case reflect.Bool: - if p.Packed { - p.enc = (*Buffer).enc_slice_packed_bool - p.size = size_slice_packed_bool - } else { - p.enc = (*Buffer).enc_slice_bool - p.size = size_slice_bool - } - p.dec = (*Buffer).dec_slice_bool - p.packedDec = (*Buffer).dec_slice_packed_bool - case reflect.Int32: - if p.Packed { - p.enc = (*Buffer).enc_slice_packed_int32 - p.size = size_slice_packed_int32 - } else { - p.enc = (*Buffer).enc_slice_int32 - p.size = size_slice_int32 - } - p.dec = (*Buffer).dec_slice_int32 - p.packedDec = (*Buffer).dec_slice_packed_int32 - case reflect.Uint32: - if p.Packed { - p.enc = (*Buffer).enc_slice_packed_uint32 - p.size = size_slice_packed_uint32 - } else { - p.enc = (*Buffer).enc_slice_uint32 - p.size = size_slice_uint32 - } - p.dec = (*Buffer).dec_slice_int32 - p.packedDec = (*Buffer).dec_slice_packed_int32 - case reflect.Int64, reflect.Uint64: - if p.Packed { - p.enc = (*Buffer).enc_slice_packed_int64 - p.size = size_slice_packed_int64 - } else { - p.enc = (*Buffer).enc_slice_int64 - p.size = size_slice_int64 - } - p.dec = (*Buffer).dec_slice_int64 - p.packedDec = (*Buffer).dec_slice_packed_int64 - case reflect.Uint8: - p.dec = (*Buffer).dec_slice_byte - if p.proto3 { - p.enc = (*Buffer).enc_proto3_slice_byte - p.size = size_proto3_slice_byte - } else { - p.enc = (*Buffer).enc_slice_byte - p.size = size_slice_byte - } - case reflect.Float32, reflect.Float64: - switch t2.Bits() { - case 32: - // can just treat them as bits - if p.Packed { - p.enc = (*Buffer).enc_slice_packed_uint32 - p.size = size_slice_packed_uint32 - } else { - p.enc = (*Buffer).enc_slice_uint32 - p.size = size_slice_uint32 - } - p.dec = (*Buffer).dec_slice_int32 - p.packedDec = (*Buffer).dec_slice_packed_int32 - case 64: - // can just treat them as bits - if p.Packed { - p.enc = (*Buffer).enc_slice_packed_int64 - p.size = size_slice_packed_int64 - } else { - p.enc = (*Buffer).enc_slice_int64 - p.size = size_slice_int64 - } - p.dec = (*Buffer).dec_slice_int64 - p.packedDec = (*Buffer).dec_slice_packed_int64 - default: - logNoSliceEnc(t1, t2) - break - } - case reflect.String: - p.enc = (*Buffer).enc_slice_string - p.dec = (*Buffer).dec_slice_string - p.size = size_slice_string - case reflect.Ptr: - switch t3 := t2.Elem(); t3.Kind() { - default: - fmt.Fprintf(os.Stderr, "proto: no ptr oenc for %T -> %T -> %T\n", t1, t2, t3) - break - case reflect.Struct: - p.stype = t2.Elem() - p.isMarshaler = isMarshaler(t2) - p.isUnmarshaler = isUnmarshaler(t2) - if p.Wire == "bytes" { - p.enc = (*Buffer).enc_slice_struct_message - p.dec = (*Buffer).dec_slice_struct_message - p.size = size_slice_struct_message - } else { - p.enc = (*Buffer).enc_slice_struct_group - p.dec = (*Buffer).dec_slice_struct_group - p.size = size_slice_struct_group - } - } - case reflect.Slice: - switch t2.Elem().Kind() { - default: - fmt.Fprintf(os.Stderr, "proto: no slice elem oenc for %T -> %T -> %T\n", t1, t2, t2.Elem()) - break - case reflect.Uint8: - p.enc = (*Buffer).enc_slice_slice_byte - p.dec = (*Buffer).dec_slice_slice_byte - p.size = size_slice_slice_byte - } + if t2 := t1.Elem(); t2.Kind() == reflect.Ptr && t2.Elem().Kind() == reflect.Struct { + p.stype = t2.Elem() } case reflect.Map: - p.enc = (*Buffer).enc_new_map - p.dec = (*Buffer).dec_new_map - p.size = size_new_map - p.mtype = t1 p.mkeyprop = &Properties{} p.mkeyprop.init(reflect.PtrTo(p.mtype.Key()), "Key", f.Tag.Get("protobuf_key"), nil, lockGetProp) @@ -562,20 +287,6 @@ func (p *Properties) setEncAndDec(typ reflect.Type, f *reflect.StructField, lock p.mvalprop.init(vtype, "Value", f.Tag.Get("protobuf_val"), nil, lockGetProp) } - // precalculate tag code - wire := p.WireType - if p.Packed { - wire = WireBytes - } - x := uint32(p.Tag)<<3 | uint32(wire) - i := 0 - for i = 0; x > 127; i++ { - p.tagbuf[i] = 0x80 | uint8(x&0x7F) - x >>= 7 - } - p.tagbuf[i] = uint8(x) - p.tagcode = p.tagbuf[0 : i+1] - if p.stype != nil { if lockGetProp { p.sprop = GetProperties(p.stype) @@ -586,32 +297,9 @@ func (p *Properties) setEncAndDec(typ reflect.Type, f *reflect.StructField, lock } var ( - marshalerType = reflect.TypeOf((*Marshaler)(nil)).Elem() - unmarshalerType = reflect.TypeOf((*Unmarshaler)(nil)).Elem() + marshalerType = reflect.TypeOf((*Marshaler)(nil)).Elem() ) -// isMarshaler reports whether type t implements Marshaler. -func isMarshaler(t reflect.Type) bool { - // We're checking for (likely) pointer-receiver methods - // so if t is not a pointer, something is very wrong. - // The calls above only invoke isMarshaler on pointer types. - if t.Kind() != reflect.Ptr { - panic("proto: misuse of isMarshaler") - } - return t.Implements(marshalerType) -} - -// isUnmarshaler reports whether type t implements Unmarshaler. -func isUnmarshaler(t reflect.Type) bool { - // We're checking for (likely) pointer-receiver methods - // so if t is not a pointer, something is very wrong. - // The calls above only invoke isUnmarshaler on pointer types. - if t.Kind() != reflect.Ptr { - panic("proto: misuse of isUnmarshaler") - } - return t.Implements(unmarshalerType) -} - // Init populates the properties from a protocol buffer struct tag. func (p *Properties) Init(typ reflect.Type, name, tag string, f *reflect.StructField) { p.init(typ, name, tag, f, true) @@ -621,14 +309,11 @@ func (p *Properties) init(typ reflect.Type, name, tag string, f *reflect.StructF // "bytes,49,opt,def=hello!" p.Name = name p.OrigName = name - if f != nil { - p.field = toField(f) - } if tag == "" { return } p.Parse(tag) - p.setEncAndDec(typ, f, lockGetProp) + p.setFieldProps(typ, f, lockGetProp) } var ( @@ -678,9 +363,6 @@ func getPropertiesLocked(t reflect.Type) *StructProperties { propertiesMap[t] = prop // build properties - prop.extendable = reflect.PtrTo(t).Implements(extendableProtoType) || - reflect.PtrTo(t).Implements(extendableProtoV1Type) - prop.unrecField = invalidField prop.Prop = make([]*Properties, t.NumField()) prop.order = make([]int, t.NumField()) @@ -690,17 +372,6 @@ func getPropertiesLocked(t reflect.Type) *StructProperties { name := f.Name p.init(f.Type, name, f.Tag.Get("protobuf"), &f, false) - if f.Name == "XXX_InternalExtensions" { // special case - p.enc = (*Buffer).enc_exts - p.dec = nil // not needed - p.size = size_exts - } else if f.Name == "XXX_extensions" { // special case - p.enc = (*Buffer).enc_map - p.dec = nil // not needed - p.size = size_map - } else if f.Name == "XXX_unrecognized" { // special case - prop.unrecField = toField(&f) - } oneof := f.Tag.Get("protobuf_oneof") // special case if oneof != "" { // Oneof fields don't use the traditional protobuf tag. @@ -715,9 +386,6 @@ func getPropertiesLocked(t reflect.Type) *StructProperties { } print("\n") } - if p.enc == nil && !strings.HasPrefix(f.Name, "XXX_") && oneof == "" { - fmt.Fprintln(os.Stderr, "proto: no encoder for", f.Name, f.Type.String(), "[GetProperties]") - } } // Re-order prop.order. @@ -728,8 +396,7 @@ func getPropertiesLocked(t reflect.Type) *StructProperties { } if om, ok := reflect.Zero(reflect.PtrTo(t)).Interface().(oneofMessage); ok { var oots []interface{} - prop.oneofMarshaler, prop.oneofUnmarshaler, prop.oneofSizer, oots = om.XXX_OneofFuncs() - prop.stype = t + _, _, _, oots = om.XXX_OneofFuncs() // Interpret oneof metadata. prop.OneofTypes = make(map[string]*OneofProperties) @@ -779,30 +446,6 @@ func getPropertiesLocked(t reflect.Type) *StructProperties { return prop } -// Return the Properties object for the x[0]'th field of the structure. -func propByIndex(t reflect.Type, x []int) *Properties { - if len(x) != 1 { - fmt.Fprintf(os.Stderr, "proto: field index dimension %d (not 1) for type %s\n", len(x), t) - return nil - } - prop := GetProperties(t) - return prop.Prop[x[0]] -} - -// Get the address and type of a pointer to a struct from an interface. -func getbase(pb Message) (t reflect.Type, b structPointer, err error) { - if pb == nil { - err = ErrNil - return - } - // get the reflect type of the pointer to the struct. - t = reflect.TypeOf(pb) - // get the address of the struct. - value := reflect.ValueOf(pb) - b = toStructPointer(value) - return -} - // A global registry of enum types. // The generated code will register the generated maps by calling RegisterEnum. @@ -826,20 +469,42 @@ func EnumValueMap(enumType string) map[string]int32 { // A registry of all linked message types. // The string is a fully-qualified proto name ("pkg.Message"). var ( - protoTypes = make(map[string]reflect.Type) - revProtoTypes = make(map[reflect.Type]string) + protoTypedNils = make(map[string]Message) // a map from proto names to typed nil pointers + protoMapTypes = make(map[string]reflect.Type) // a map from proto names to map types + revProtoTypes = make(map[reflect.Type]string) ) // RegisterType is called from generated code and maps from the fully qualified // proto name to the type (pointer to struct) of the protocol buffer. func RegisterType(x Message, name string) { - if _, ok := protoTypes[name]; ok { + if _, ok := protoTypedNils[name]; ok { // TODO: Some day, make this a panic. log.Printf("proto: duplicate proto type registered: %s", name) return } t := reflect.TypeOf(x) - protoTypes[name] = t + if v := reflect.ValueOf(x); v.Kind() == reflect.Ptr && v.Pointer() == 0 { + // Generated code always calls RegisterType with nil x. + // This check is just for extra safety. + protoTypedNils[name] = x + } else { + protoTypedNils[name] = reflect.Zero(t).Interface().(Message) + } + revProtoTypes[t] = name +} + +// RegisterMapType is called from generated code and maps from the fully qualified +// proto name to the native map type of the proto map definition. +func RegisterMapType(x interface{}, name string) { + if reflect.TypeOf(x).Kind() != reflect.Map { + panic(fmt.Sprintf("RegisterMapType(%T, %q); want map", x, name)) + } + if _, ok := protoMapTypes[name]; ok { + log.Printf("proto: duplicate proto type registered: %s", name) + return + } + t := reflect.TypeOf(x) + protoMapTypes[name] = t revProtoTypes[t] = name } @@ -855,7 +520,14 @@ func MessageName(x Message) string { } // MessageType returns the message type (pointer to struct) for a named message. -func MessageType(name string) reflect.Type { return protoTypes[name] } +// The type is not guaranteed to implement proto.Message if the name refers to a +// map entry. +func MessageType(name string) reflect.Type { + if t, ok := protoTypedNils[name]; ok { + return reflect.TypeOf(t) + } + return protoMapTypes[name] +} // A registry of all linked proto files. var ( diff --git a/vendor/github.com/golang/protobuf/proto/table_marshal.go b/vendor/github.com/golang/protobuf/proto/table_marshal.go new file mode 100644 index 000000000..9eda8459d --- /dev/null +++ b/vendor/github.com/golang/protobuf/proto/table_marshal.go @@ -0,0 +1,2736 @@ +// Go support for Protocol Buffers - Google's data interchange format +// +// Copyright 2016 The Go Authors. All rights reserved. +// https://github.com/golang/protobuf +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +package proto + +import ( + "errors" + "fmt" + "math" + "reflect" + "sort" + "strconv" + "strings" + "sync" + "sync/atomic" + "unicode/utf8" +) + +// a sizer takes a pointer to a field and the size of its tag, computes the size of +// the encoded data. +type sizer func(pointer, int) int + +// a marshaler takes a byte slice, a pointer to a field, and its tag (in wire format), +// marshals the field to the end of the slice, returns the slice and error (if any). +type marshaler func(b []byte, ptr pointer, wiretag uint64, deterministic bool) ([]byte, error) + +// marshalInfo is the information used for marshaling a message. +type marshalInfo struct { + typ reflect.Type + fields []*marshalFieldInfo + unrecognized field // offset of XXX_unrecognized + extensions field // offset of XXX_InternalExtensions + v1extensions field // offset of XXX_extensions + sizecache field // offset of XXX_sizecache + initialized int32 // 0 -- only typ is set, 1 -- fully initialized + messageset bool // uses message set wire format + hasmarshaler bool // has custom marshaler + sync.RWMutex // protect extElems map, also for initialization + extElems map[int32]*marshalElemInfo // info of extension elements +} + +// marshalFieldInfo is the information used for marshaling a field of a message. +type marshalFieldInfo struct { + field field + wiretag uint64 // tag in wire format + tagsize int // size of tag in wire format + sizer sizer + marshaler marshaler + isPointer bool + required bool // field is required + name string // name of the field, for error reporting + oneofElems map[reflect.Type]*marshalElemInfo // info of oneof elements +} + +// marshalElemInfo is the information used for marshaling an extension or oneof element. +type marshalElemInfo struct { + wiretag uint64 // tag in wire format + tagsize int // size of tag in wire format + sizer sizer + marshaler marshaler + isptr bool // elem is pointer typed, thus interface of this type is a direct interface (extension only) +} + +var ( + marshalInfoMap = map[reflect.Type]*marshalInfo{} + marshalInfoLock sync.Mutex +) + +// getMarshalInfo returns the information to marshal a given type of message. +// The info it returns may not necessarily initialized. +// t is the type of the message (NOT the pointer to it). +func getMarshalInfo(t reflect.Type) *marshalInfo { + marshalInfoLock.Lock() + u, ok := marshalInfoMap[t] + if !ok { + u = &marshalInfo{typ: t} + marshalInfoMap[t] = u + } + marshalInfoLock.Unlock() + return u +} + +// Size is the entry point from generated code, +// and should be ONLY called by generated code. +// It computes the size of encoded data of msg. +// a is a pointer to a place to store cached marshal info. +func (a *InternalMessageInfo) Size(msg Message) int { + u := getMessageMarshalInfo(msg, a) + ptr := toPointer(&msg) + if ptr.isNil() { + // We get here if msg is a typed nil ((*SomeMessage)(nil)), + // so it satisfies the interface, and msg == nil wouldn't + // catch it. We don't want crash in this case. + return 0 + } + return u.size(ptr) +} + +// Marshal is the entry point from generated code, +// and should be ONLY called by generated code. +// It marshals msg to the end of b. +// a is a pointer to a place to store cached marshal info. +func (a *InternalMessageInfo) Marshal(b []byte, msg Message, deterministic bool) ([]byte, error) { + u := getMessageMarshalInfo(msg, a) + ptr := toPointer(&msg) + if ptr.isNil() { + // We get here if msg is a typed nil ((*SomeMessage)(nil)), + // so it satisfies the interface, and msg == nil wouldn't + // catch it. We don't want crash in this case. + return b, ErrNil + } + return u.marshal(b, ptr, deterministic) +} + +func getMessageMarshalInfo(msg interface{}, a *InternalMessageInfo) *marshalInfo { + // u := a.marshal, but atomically. + // We use an atomic here to ensure memory consistency. + u := atomicLoadMarshalInfo(&a.marshal) + if u == nil { + // Get marshal information from type of message. + t := reflect.ValueOf(msg).Type() + if t.Kind() != reflect.Ptr { + panic(fmt.Sprintf("cannot handle non-pointer message type %v", t)) + } + u = getMarshalInfo(t.Elem()) + // Store it in the cache for later users. + // a.marshal = u, but atomically. + atomicStoreMarshalInfo(&a.marshal, u) + } + return u +} + +// size is the main function to compute the size of the encoded data of a message. +// ptr is the pointer to the message. +func (u *marshalInfo) size(ptr pointer) int { + if atomic.LoadInt32(&u.initialized) == 0 { + u.computeMarshalInfo() + } + + // If the message can marshal itself, let it do it, for compatibility. + // NOTE: This is not efficient. + if u.hasmarshaler { + m := ptr.asPointerTo(u.typ).Interface().(Marshaler) + b, _ := m.Marshal() + return len(b) + } + + n := 0 + for _, f := range u.fields { + if f.isPointer && ptr.offset(f.field).getPointer().isNil() { + // nil pointer always marshals to nothing + continue + } + n += f.sizer(ptr.offset(f.field), f.tagsize) + } + if u.extensions.IsValid() { + e := ptr.offset(u.extensions).toExtensions() + if u.messageset { + n += u.sizeMessageSet(e) + } else { + n += u.sizeExtensions(e) + } + } + if u.v1extensions.IsValid() { + m := *ptr.offset(u.v1extensions).toOldExtensions() + n += u.sizeV1Extensions(m) + } + if u.unrecognized.IsValid() { + s := *ptr.offset(u.unrecognized).toBytes() + n += len(s) + } + // cache the result for use in marshal + if u.sizecache.IsValid() { + atomic.StoreInt32(ptr.offset(u.sizecache).toInt32(), int32(n)) + } + return n +} + +// cachedsize gets the size from cache. If there is no cache (i.e. message is not generated), +// fall back to compute the size. +func (u *marshalInfo) cachedsize(ptr pointer) int { + if u.sizecache.IsValid() { + return int(atomic.LoadInt32(ptr.offset(u.sizecache).toInt32())) + } + return u.size(ptr) +} + +// marshal is the main function to marshal a message. It takes a byte slice and appends +// the encoded data to the end of the slice, returns the slice and error (if any). +// ptr is the pointer to the message. +// If deterministic is true, map is marshaled in deterministic order. +func (u *marshalInfo) marshal(b []byte, ptr pointer, deterministic bool) ([]byte, error) { + if atomic.LoadInt32(&u.initialized) == 0 { + u.computeMarshalInfo() + } + + // If the message can marshal itself, let it do it, for compatibility. + // NOTE: This is not efficient. + if u.hasmarshaler { + m := ptr.asPointerTo(u.typ).Interface().(Marshaler) + b1, err := m.Marshal() + b = append(b, b1...) + return b, err + } + + var err, errreq error + // The old marshaler encodes extensions at beginning. + if u.extensions.IsValid() { + e := ptr.offset(u.extensions).toExtensions() + if u.messageset { + b, err = u.appendMessageSet(b, e, deterministic) + } else { + b, err = u.appendExtensions(b, e, deterministic) + } + if err != nil { + return b, err + } + } + if u.v1extensions.IsValid() { + m := *ptr.offset(u.v1extensions).toOldExtensions() + b, err = u.appendV1Extensions(b, m, deterministic) + if err != nil { + return b, err + } + } + for _, f := range u.fields { + if f.required && errreq == nil { + if ptr.offset(f.field).getPointer().isNil() { + // Required field is not set. + // We record the error but keep going, to give a complete marshaling. + errreq = &RequiredNotSetError{f.name} + continue + } + } + if f.isPointer && ptr.offset(f.field).getPointer().isNil() { + // nil pointer always marshals to nothing + continue + } + b, err = f.marshaler(b, ptr.offset(f.field), f.wiretag, deterministic) + if err != nil { + if err1, ok := err.(*RequiredNotSetError); ok { + // Required field in submessage is not set. + // We record the error but keep going, to give a complete marshaling. + if errreq == nil { + errreq = &RequiredNotSetError{f.name + "." + err1.field} + } + continue + } + if err == errRepeatedHasNil { + err = errors.New("proto: repeated field " + f.name + " has nil element") + } + if err == errInvalidUTF8 { + fullName := revProtoTypes[reflect.PtrTo(u.typ)] + "." + f.name + err = fmt.Errorf("proto: string field %q contains invalid UTF-8", fullName) + } + return b, err + } + } + if u.unrecognized.IsValid() { + s := *ptr.offset(u.unrecognized).toBytes() + b = append(b, s...) + } + return b, errreq +} + +// computeMarshalInfo initializes the marshal info. +func (u *marshalInfo) computeMarshalInfo() { + u.Lock() + defer u.Unlock() + if u.initialized != 0 { // non-atomic read is ok as it is protected by the lock + return + } + + t := u.typ + u.unrecognized = invalidField + u.extensions = invalidField + u.v1extensions = invalidField + u.sizecache = invalidField + + // If the message can marshal itself, let it do it, for compatibility. + // NOTE: This is not efficient. + if reflect.PtrTo(t).Implements(marshalerType) { + u.hasmarshaler = true + atomic.StoreInt32(&u.initialized, 1) + return + } + + // get oneof implementers + var oneofImplementers []interface{} + if m, ok := reflect.Zero(reflect.PtrTo(t)).Interface().(oneofMessage); ok { + _, _, _, oneofImplementers = m.XXX_OneofFuncs() + } + + n := t.NumField() + + // deal with XXX fields first + for i := 0; i < t.NumField(); i++ { + f := t.Field(i) + if !strings.HasPrefix(f.Name, "XXX_") { + continue + } + switch f.Name { + case "XXX_sizecache": + u.sizecache = toField(&f) + case "XXX_unrecognized": + u.unrecognized = toField(&f) + case "XXX_InternalExtensions": + u.extensions = toField(&f) + u.messageset = f.Tag.Get("protobuf_messageset") == "1" + case "XXX_extensions": + u.v1extensions = toField(&f) + case "XXX_NoUnkeyedLiteral": + // nothing to do + default: + panic("unknown XXX field: " + f.Name) + } + n-- + } + + // normal fields + fields := make([]marshalFieldInfo, n) // batch allocation + u.fields = make([]*marshalFieldInfo, 0, n) + for i, j := 0, 0; i < t.NumField(); i++ { + f := t.Field(i) + + if strings.HasPrefix(f.Name, "XXX_") { + continue + } + field := &fields[j] + j++ + field.name = f.Name + u.fields = append(u.fields, field) + if f.Tag.Get("protobuf_oneof") != "" { + field.computeOneofFieldInfo(&f, oneofImplementers) + continue + } + if f.Tag.Get("protobuf") == "" { + // field has no tag (not in generated message), ignore it + u.fields = u.fields[:len(u.fields)-1] + j-- + continue + } + field.computeMarshalFieldInfo(&f) + } + + // fields are marshaled in tag order on the wire. + sort.Sort(byTag(u.fields)) + + atomic.StoreInt32(&u.initialized, 1) +} + +// helper for sorting fields by tag +type byTag []*marshalFieldInfo + +func (a byTag) Len() int { return len(a) } +func (a byTag) Swap(i, j int) { a[i], a[j] = a[j], a[i] } +func (a byTag) Less(i, j int) bool { return a[i].wiretag < a[j].wiretag } + +// getExtElemInfo returns the information to marshal an extension element. +// The info it returns is initialized. +func (u *marshalInfo) getExtElemInfo(desc *ExtensionDesc) *marshalElemInfo { + // get from cache first + u.RLock() + e, ok := u.extElems[desc.Field] + u.RUnlock() + if ok { + return e + } + + t := reflect.TypeOf(desc.ExtensionType) // pointer or slice to basic type or struct + tags := strings.Split(desc.Tag, ",") + tag, err := strconv.Atoi(tags[1]) + if err != nil { + panic("tag is not an integer") + } + wt := wiretype(tags[0]) + sizer, marshaler := typeMarshaler(t, tags, false, false) + e = &marshalElemInfo{ + wiretag: uint64(tag)<<3 | wt, + tagsize: SizeVarint(uint64(tag) << 3), + sizer: sizer, + marshaler: marshaler, + isptr: t.Kind() == reflect.Ptr, + } + + // update cache + u.Lock() + if u.extElems == nil { + u.extElems = make(map[int32]*marshalElemInfo) + } + u.extElems[desc.Field] = e + u.Unlock() + return e +} + +// computeMarshalFieldInfo fills up the information to marshal a field. +func (fi *marshalFieldInfo) computeMarshalFieldInfo(f *reflect.StructField) { + // parse protobuf tag of the field. + // tag has format of "bytes,49,opt,name=foo,def=hello!" + tags := strings.Split(f.Tag.Get("protobuf"), ",") + if tags[0] == "" { + return + } + tag, err := strconv.Atoi(tags[1]) + if err != nil { + panic("tag is not an integer") + } + wt := wiretype(tags[0]) + if tags[2] == "req" { + fi.required = true + } + fi.setTag(f, tag, wt) + fi.setMarshaler(f, tags) +} + +func (fi *marshalFieldInfo) computeOneofFieldInfo(f *reflect.StructField, oneofImplementers []interface{}) { + fi.field = toField(f) + fi.wiretag = 1<<31 - 1 // Use a large tag number, make oneofs sorted at the end. This tag will not appear on the wire. + fi.isPointer = true + fi.sizer, fi.marshaler = makeOneOfMarshaler(fi, f) + fi.oneofElems = make(map[reflect.Type]*marshalElemInfo) + + ityp := f.Type // interface type + for _, o := range oneofImplementers { + t := reflect.TypeOf(o) + if !t.Implements(ityp) { + continue + } + sf := t.Elem().Field(0) // oneof implementer is a struct with a single field + tags := strings.Split(sf.Tag.Get("protobuf"), ",") + tag, err := strconv.Atoi(tags[1]) + if err != nil { + panic("tag is not an integer") + } + wt := wiretype(tags[0]) + sizer, marshaler := typeMarshaler(sf.Type, tags, false, true) // oneof should not omit any zero value + fi.oneofElems[t.Elem()] = &marshalElemInfo{ + wiretag: uint64(tag)<<3 | wt, + tagsize: SizeVarint(uint64(tag) << 3), + sizer: sizer, + marshaler: marshaler, + } + } +} + +type oneofMessage interface { + XXX_OneofFuncs() (func(Message, *Buffer) error, func(Message, int, int, *Buffer) (bool, error), func(Message) int, []interface{}) +} + +// wiretype returns the wire encoding of the type. +func wiretype(encoding string) uint64 { + switch encoding { + case "fixed32": + return WireFixed32 + case "fixed64": + return WireFixed64 + case "varint", "zigzag32", "zigzag64": + return WireVarint + case "bytes": + return WireBytes + case "group": + return WireStartGroup + } + panic("unknown wire type " + encoding) +} + +// setTag fills up the tag (in wire format) and its size in the info of a field. +func (fi *marshalFieldInfo) setTag(f *reflect.StructField, tag int, wt uint64) { + fi.field = toField(f) + fi.wiretag = uint64(tag)<<3 | wt + fi.tagsize = SizeVarint(uint64(tag) << 3) +} + +// setMarshaler fills up the sizer and marshaler in the info of a field. +func (fi *marshalFieldInfo) setMarshaler(f *reflect.StructField, tags []string) { + switch f.Type.Kind() { + case reflect.Map: + // map field + fi.isPointer = true + fi.sizer, fi.marshaler = makeMapMarshaler(f) + return + case reflect.Ptr, reflect.Slice: + fi.isPointer = true + } + fi.sizer, fi.marshaler = typeMarshaler(f.Type, tags, true, false) +} + +// typeMarshaler returns the sizer and marshaler of a given field. +// t is the type of the field. +// tags is the generated "protobuf" tag of the field. +// If nozero is true, zero value is not marshaled to the wire. +// If oneof is true, it is a oneof field. +func typeMarshaler(t reflect.Type, tags []string, nozero, oneof bool) (sizer, marshaler) { + encoding := tags[0] + + pointer := false + slice := false + if t.Kind() == reflect.Slice && t.Elem().Kind() != reflect.Uint8 { + slice = true + t = t.Elem() + } + if t.Kind() == reflect.Ptr { + pointer = true + t = t.Elem() + } + + packed := false + proto3 := false + validateUTF8 := true + for i := 2; i < len(tags); i++ { + if tags[i] == "packed" { + packed = true + } + if tags[i] == "proto3" { + proto3 = true + } + } + validateUTF8 = validateUTF8 && proto3 + + switch t.Kind() { + case reflect.Bool: + if pointer { + return sizeBoolPtr, appendBoolPtr + } + if slice { + if packed { + return sizeBoolPackedSlice, appendBoolPackedSlice + } + return sizeBoolSlice, appendBoolSlice + } + if nozero { + return sizeBoolValueNoZero, appendBoolValueNoZero + } + return sizeBoolValue, appendBoolValue + case reflect.Uint32: + switch encoding { + case "fixed32": + if pointer { + return sizeFixed32Ptr, appendFixed32Ptr + } + if slice { + if packed { + return sizeFixed32PackedSlice, appendFixed32PackedSlice + } + return sizeFixed32Slice, appendFixed32Slice + } + if nozero { + return sizeFixed32ValueNoZero, appendFixed32ValueNoZero + } + return sizeFixed32Value, appendFixed32Value + case "varint": + if pointer { + return sizeVarint32Ptr, appendVarint32Ptr + } + if slice { + if packed { + return sizeVarint32PackedSlice, appendVarint32PackedSlice + } + return sizeVarint32Slice, appendVarint32Slice + } + if nozero { + return sizeVarint32ValueNoZero, appendVarint32ValueNoZero + } + return sizeVarint32Value, appendVarint32Value + } + case reflect.Int32: + switch encoding { + case "fixed32": + if pointer { + return sizeFixedS32Ptr, appendFixedS32Ptr + } + if slice { + if packed { + return sizeFixedS32PackedSlice, appendFixedS32PackedSlice + } + return sizeFixedS32Slice, appendFixedS32Slice + } + if nozero { + return sizeFixedS32ValueNoZero, appendFixedS32ValueNoZero + } + return sizeFixedS32Value, appendFixedS32Value + case "varint": + if pointer { + return sizeVarintS32Ptr, appendVarintS32Ptr + } + if slice { + if packed { + return sizeVarintS32PackedSlice, appendVarintS32PackedSlice + } + return sizeVarintS32Slice, appendVarintS32Slice + } + if nozero { + return sizeVarintS32ValueNoZero, appendVarintS32ValueNoZero + } + return sizeVarintS32Value, appendVarintS32Value + case "zigzag32": + if pointer { + return sizeZigzag32Ptr, appendZigzag32Ptr + } + if slice { + if packed { + return sizeZigzag32PackedSlice, appendZigzag32PackedSlice + } + return sizeZigzag32Slice, appendZigzag32Slice + } + if nozero { + return sizeZigzag32ValueNoZero, appendZigzag32ValueNoZero + } + return sizeZigzag32Value, appendZigzag32Value + } + case reflect.Uint64: + switch encoding { + case "fixed64": + if pointer { + return sizeFixed64Ptr, appendFixed64Ptr + } + if slice { + if packed { + return sizeFixed64PackedSlice, appendFixed64PackedSlice + } + return sizeFixed64Slice, appendFixed64Slice + } + if nozero { + return sizeFixed64ValueNoZero, appendFixed64ValueNoZero + } + return sizeFixed64Value, appendFixed64Value + case "varint": + if pointer { + return sizeVarint64Ptr, appendVarint64Ptr + } + if slice { + if packed { + return sizeVarint64PackedSlice, appendVarint64PackedSlice + } + return sizeVarint64Slice, appendVarint64Slice + } + if nozero { + return sizeVarint64ValueNoZero, appendVarint64ValueNoZero + } + return sizeVarint64Value, appendVarint64Value + } + case reflect.Int64: + switch encoding { + case "fixed64": + if pointer { + return sizeFixedS64Ptr, appendFixedS64Ptr + } + if slice { + if packed { + return sizeFixedS64PackedSlice, appendFixedS64PackedSlice + } + return sizeFixedS64Slice, appendFixedS64Slice + } + if nozero { + return sizeFixedS64ValueNoZero, appendFixedS64ValueNoZero + } + return sizeFixedS64Value, appendFixedS64Value + case "varint": + if pointer { + return sizeVarintS64Ptr, appendVarintS64Ptr + } + if slice { + if packed { + return sizeVarintS64PackedSlice, appendVarintS64PackedSlice + } + return sizeVarintS64Slice, appendVarintS64Slice + } + if nozero { + return sizeVarintS64ValueNoZero, appendVarintS64ValueNoZero + } + return sizeVarintS64Value, appendVarintS64Value + case "zigzag64": + if pointer { + return sizeZigzag64Ptr, appendZigzag64Ptr + } + if slice { + if packed { + return sizeZigzag64PackedSlice, appendZigzag64PackedSlice + } + return sizeZigzag64Slice, appendZigzag64Slice + } + if nozero { + return sizeZigzag64ValueNoZero, appendZigzag64ValueNoZero + } + return sizeZigzag64Value, appendZigzag64Value + } + case reflect.Float32: + if pointer { + return sizeFloat32Ptr, appendFloat32Ptr + } + if slice { + if packed { + return sizeFloat32PackedSlice, appendFloat32PackedSlice + } + return sizeFloat32Slice, appendFloat32Slice + } + if nozero { + return sizeFloat32ValueNoZero, appendFloat32ValueNoZero + } + return sizeFloat32Value, appendFloat32Value + case reflect.Float64: + if pointer { + return sizeFloat64Ptr, appendFloat64Ptr + } + if slice { + if packed { + return sizeFloat64PackedSlice, appendFloat64PackedSlice + } + return sizeFloat64Slice, appendFloat64Slice + } + if nozero { + return sizeFloat64ValueNoZero, appendFloat64ValueNoZero + } + return sizeFloat64Value, appendFloat64Value + case reflect.String: + if validateUTF8 { + if pointer { + return sizeStringPtr, appendUTF8StringPtr + } + if slice { + return sizeStringSlice, appendUTF8StringSlice + } + if nozero { + return sizeStringValueNoZero, appendUTF8StringValueNoZero + } + return sizeStringValue, appendUTF8StringValue + } + if pointer { + return sizeStringPtr, appendStringPtr + } + if slice { + return sizeStringSlice, appendStringSlice + } + if nozero { + return sizeStringValueNoZero, appendStringValueNoZero + } + return sizeStringValue, appendStringValue + case reflect.Slice: + if slice { + return sizeBytesSlice, appendBytesSlice + } + if oneof { + // Oneof bytes field may also have "proto3" tag. + // We want to marshal it as a oneof field. Do this + // check before the proto3 check. + return sizeBytesOneof, appendBytesOneof + } + if proto3 { + return sizeBytes3, appendBytes3 + } + return sizeBytes, appendBytes + case reflect.Struct: + switch encoding { + case "group": + if slice { + return makeGroupSliceMarshaler(getMarshalInfo(t)) + } + return makeGroupMarshaler(getMarshalInfo(t)) + case "bytes": + if slice { + return makeMessageSliceMarshaler(getMarshalInfo(t)) + } + return makeMessageMarshaler(getMarshalInfo(t)) + } + } + panic(fmt.Sprintf("unknown or mismatched type: type: %v, wire type: %v", t, encoding)) +} + +// Below are functions to size/marshal a specific type of a field. +// They are stored in the field's info, and called by function pointers. +// They have type sizer or marshaler. + +func sizeFixed32Value(_ pointer, tagsize int) int { + return 4 + tagsize +} +func sizeFixed32ValueNoZero(ptr pointer, tagsize int) int { + v := *ptr.toUint32() + if v == 0 { + return 0 + } + return 4 + tagsize +} +func sizeFixed32Ptr(ptr pointer, tagsize int) int { + p := *ptr.toUint32Ptr() + if p == nil { + return 0 + } + return 4 + tagsize +} +func sizeFixed32Slice(ptr pointer, tagsize int) int { + s := *ptr.toUint32Slice() + return (4 + tagsize) * len(s) +} +func sizeFixed32PackedSlice(ptr pointer, tagsize int) int { + s := *ptr.toUint32Slice() + if len(s) == 0 { + return 0 + } + return 4*len(s) + SizeVarint(uint64(4*len(s))) + tagsize +} +func sizeFixedS32Value(_ pointer, tagsize int) int { + return 4 + tagsize +} +func sizeFixedS32ValueNoZero(ptr pointer, tagsize int) int { + v := *ptr.toInt32() + if v == 0 { + return 0 + } + return 4 + tagsize +} +func sizeFixedS32Ptr(ptr pointer, tagsize int) int { + p := ptr.getInt32Ptr() + if p == nil { + return 0 + } + return 4 + tagsize +} +func sizeFixedS32Slice(ptr pointer, tagsize int) int { + s := ptr.getInt32Slice() + return (4 + tagsize) * len(s) +} +func sizeFixedS32PackedSlice(ptr pointer, tagsize int) int { + s := ptr.getInt32Slice() + if len(s) == 0 { + return 0 + } + return 4*len(s) + SizeVarint(uint64(4*len(s))) + tagsize +} +func sizeFloat32Value(_ pointer, tagsize int) int { + return 4 + tagsize +} +func sizeFloat32ValueNoZero(ptr pointer, tagsize int) int { + v := math.Float32bits(*ptr.toFloat32()) + if v == 0 { + return 0 + } + return 4 + tagsize +} +func sizeFloat32Ptr(ptr pointer, tagsize int) int { + p := *ptr.toFloat32Ptr() + if p == nil { + return 0 + } + return 4 + tagsize +} +func sizeFloat32Slice(ptr pointer, tagsize int) int { + s := *ptr.toFloat32Slice() + return (4 + tagsize) * len(s) +} +func sizeFloat32PackedSlice(ptr pointer, tagsize int) int { + s := *ptr.toFloat32Slice() + if len(s) == 0 { + return 0 + } + return 4*len(s) + SizeVarint(uint64(4*len(s))) + tagsize +} +func sizeFixed64Value(_ pointer, tagsize int) int { + return 8 + tagsize +} +func sizeFixed64ValueNoZero(ptr pointer, tagsize int) int { + v := *ptr.toUint64() + if v == 0 { + return 0 + } + return 8 + tagsize +} +func sizeFixed64Ptr(ptr pointer, tagsize int) int { + p := *ptr.toUint64Ptr() + if p == nil { + return 0 + } + return 8 + tagsize +} +func sizeFixed64Slice(ptr pointer, tagsize int) int { + s := *ptr.toUint64Slice() + return (8 + tagsize) * len(s) +} +func sizeFixed64PackedSlice(ptr pointer, tagsize int) int { + s := *ptr.toUint64Slice() + if len(s) == 0 { + return 0 + } + return 8*len(s) + SizeVarint(uint64(8*len(s))) + tagsize +} +func sizeFixedS64Value(_ pointer, tagsize int) int { + return 8 + tagsize +} +func sizeFixedS64ValueNoZero(ptr pointer, tagsize int) int { + v := *ptr.toInt64() + if v == 0 { + return 0 + } + return 8 + tagsize +} +func sizeFixedS64Ptr(ptr pointer, tagsize int) int { + p := *ptr.toInt64Ptr() + if p == nil { + return 0 + } + return 8 + tagsize +} +func sizeFixedS64Slice(ptr pointer, tagsize int) int { + s := *ptr.toInt64Slice() + return (8 + tagsize) * len(s) +} +func sizeFixedS64PackedSlice(ptr pointer, tagsize int) int { + s := *ptr.toInt64Slice() + if len(s) == 0 { + return 0 + } + return 8*len(s) + SizeVarint(uint64(8*len(s))) + tagsize +} +func sizeFloat64Value(_ pointer, tagsize int) int { + return 8 + tagsize +} +func sizeFloat64ValueNoZero(ptr pointer, tagsize int) int { + v := math.Float64bits(*ptr.toFloat64()) + if v == 0 { + return 0 + } + return 8 + tagsize +} +func sizeFloat64Ptr(ptr pointer, tagsize int) int { + p := *ptr.toFloat64Ptr() + if p == nil { + return 0 + } + return 8 + tagsize +} +func sizeFloat64Slice(ptr pointer, tagsize int) int { + s := *ptr.toFloat64Slice() + return (8 + tagsize) * len(s) +} +func sizeFloat64PackedSlice(ptr pointer, tagsize int) int { + s := *ptr.toFloat64Slice() + if len(s) == 0 { + return 0 + } + return 8*len(s) + SizeVarint(uint64(8*len(s))) + tagsize +} +func sizeVarint32Value(ptr pointer, tagsize int) int { + v := *ptr.toUint32() + return SizeVarint(uint64(v)) + tagsize +} +func sizeVarint32ValueNoZero(ptr pointer, tagsize int) int { + v := *ptr.toUint32() + if v == 0 { + return 0 + } + return SizeVarint(uint64(v)) + tagsize +} +func sizeVarint32Ptr(ptr pointer, tagsize int) int { + p := *ptr.toUint32Ptr() + if p == nil { + return 0 + } + return SizeVarint(uint64(*p)) + tagsize +} +func sizeVarint32Slice(ptr pointer, tagsize int) int { + s := *ptr.toUint32Slice() + n := 0 + for _, v := range s { + n += SizeVarint(uint64(v)) + tagsize + } + return n +} +func sizeVarint32PackedSlice(ptr pointer, tagsize int) int { + s := *ptr.toUint32Slice() + if len(s) == 0 { + return 0 + } + n := 0 + for _, v := range s { + n += SizeVarint(uint64(v)) + } + return n + SizeVarint(uint64(n)) + tagsize +} +func sizeVarintS32Value(ptr pointer, tagsize int) int { + v := *ptr.toInt32() + return SizeVarint(uint64(v)) + tagsize +} +func sizeVarintS32ValueNoZero(ptr pointer, tagsize int) int { + v := *ptr.toInt32() + if v == 0 { + return 0 + } + return SizeVarint(uint64(v)) + tagsize +} +func sizeVarintS32Ptr(ptr pointer, tagsize int) int { + p := ptr.getInt32Ptr() + if p == nil { + return 0 + } + return SizeVarint(uint64(*p)) + tagsize +} +func sizeVarintS32Slice(ptr pointer, tagsize int) int { + s := ptr.getInt32Slice() + n := 0 + for _, v := range s { + n += SizeVarint(uint64(v)) + tagsize + } + return n +} +func sizeVarintS32PackedSlice(ptr pointer, tagsize int) int { + s := ptr.getInt32Slice() + if len(s) == 0 { + return 0 + } + n := 0 + for _, v := range s { + n += SizeVarint(uint64(v)) + } + return n + SizeVarint(uint64(n)) + tagsize +} +func sizeVarint64Value(ptr pointer, tagsize int) int { + v := *ptr.toUint64() + return SizeVarint(v) + tagsize +} +func sizeVarint64ValueNoZero(ptr pointer, tagsize int) int { + v := *ptr.toUint64() + if v == 0 { + return 0 + } + return SizeVarint(v) + tagsize +} +func sizeVarint64Ptr(ptr pointer, tagsize int) int { + p := *ptr.toUint64Ptr() + if p == nil { + return 0 + } + return SizeVarint(*p) + tagsize +} +func sizeVarint64Slice(ptr pointer, tagsize int) int { + s := *ptr.toUint64Slice() + n := 0 + for _, v := range s { + n += SizeVarint(v) + tagsize + } + return n +} +func sizeVarint64PackedSlice(ptr pointer, tagsize int) int { + s := *ptr.toUint64Slice() + if len(s) == 0 { + return 0 + } + n := 0 + for _, v := range s { + n += SizeVarint(v) + } + return n + SizeVarint(uint64(n)) + tagsize +} +func sizeVarintS64Value(ptr pointer, tagsize int) int { + v := *ptr.toInt64() + return SizeVarint(uint64(v)) + tagsize +} +func sizeVarintS64ValueNoZero(ptr pointer, tagsize int) int { + v := *ptr.toInt64() + if v == 0 { + return 0 + } + return SizeVarint(uint64(v)) + tagsize +} +func sizeVarintS64Ptr(ptr pointer, tagsize int) int { + p := *ptr.toInt64Ptr() + if p == nil { + return 0 + } + return SizeVarint(uint64(*p)) + tagsize +} +func sizeVarintS64Slice(ptr pointer, tagsize int) int { + s := *ptr.toInt64Slice() + n := 0 + for _, v := range s { + n += SizeVarint(uint64(v)) + tagsize + } + return n +} +func sizeVarintS64PackedSlice(ptr pointer, tagsize int) int { + s := *ptr.toInt64Slice() + if len(s) == 0 { + return 0 + } + n := 0 + for _, v := range s { + n += SizeVarint(uint64(v)) + } + return n + SizeVarint(uint64(n)) + tagsize +} +func sizeZigzag32Value(ptr pointer, tagsize int) int { + v := *ptr.toInt32() + return SizeVarint(uint64((uint32(v)<<1)^uint32((int32(v)>>31)))) + tagsize +} +func sizeZigzag32ValueNoZero(ptr pointer, tagsize int) int { + v := *ptr.toInt32() + if v == 0 { + return 0 + } + return SizeVarint(uint64((uint32(v)<<1)^uint32((int32(v)>>31)))) + tagsize +} +func sizeZigzag32Ptr(ptr pointer, tagsize int) int { + p := ptr.getInt32Ptr() + if p == nil { + return 0 + } + v := *p + return SizeVarint(uint64((uint32(v)<<1)^uint32((int32(v)>>31)))) + tagsize +} +func sizeZigzag32Slice(ptr pointer, tagsize int) int { + s := ptr.getInt32Slice() + n := 0 + for _, v := range s { + n += SizeVarint(uint64((uint32(v)<<1)^uint32((int32(v)>>31)))) + tagsize + } + return n +} +func sizeZigzag32PackedSlice(ptr pointer, tagsize int) int { + s := ptr.getInt32Slice() + if len(s) == 0 { + return 0 + } + n := 0 + for _, v := range s { + n += SizeVarint(uint64((uint32(v) << 1) ^ uint32((int32(v) >> 31)))) + } + return n + SizeVarint(uint64(n)) + tagsize +} +func sizeZigzag64Value(ptr pointer, tagsize int) int { + v := *ptr.toInt64() + return SizeVarint(uint64(v<<1)^uint64((int64(v)>>63))) + tagsize +} +func sizeZigzag64ValueNoZero(ptr pointer, tagsize int) int { + v := *ptr.toInt64() + if v == 0 { + return 0 + } + return SizeVarint(uint64(v<<1)^uint64((int64(v)>>63))) + tagsize +} +func sizeZigzag64Ptr(ptr pointer, tagsize int) int { + p := *ptr.toInt64Ptr() + if p == nil { + return 0 + } + v := *p + return SizeVarint(uint64(v<<1)^uint64((int64(v)>>63))) + tagsize +} +func sizeZigzag64Slice(ptr pointer, tagsize int) int { + s := *ptr.toInt64Slice() + n := 0 + for _, v := range s { + n += SizeVarint(uint64(v<<1)^uint64((int64(v)>>63))) + tagsize + } + return n +} +func sizeZigzag64PackedSlice(ptr pointer, tagsize int) int { + s := *ptr.toInt64Slice() + if len(s) == 0 { + return 0 + } + n := 0 + for _, v := range s { + n += SizeVarint(uint64(v<<1) ^ uint64((int64(v) >> 63))) + } + return n + SizeVarint(uint64(n)) + tagsize +} +func sizeBoolValue(_ pointer, tagsize int) int { + return 1 + tagsize +} +func sizeBoolValueNoZero(ptr pointer, tagsize int) int { + v := *ptr.toBool() + if !v { + return 0 + } + return 1 + tagsize +} +func sizeBoolPtr(ptr pointer, tagsize int) int { + p := *ptr.toBoolPtr() + if p == nil { + return 0 + } + return 1 + tagsize +} +func sizeBoolSlice(ptr pointer, tagsize int) int { + s := *ptr.toBoolSlice() + return (1 + tagsize) * len(s) +} +func sizeBoolPackedSlice(ptr pointer, tagsize int) int { + s := *ptr.toBoolSlice() + if len(s) == 0 { + return 0 + } + return len(s) + SizeVarint(uint64(len(s))) + tagsize +} +func sizeStringValue(ptr pointer, tagsize int) int { + v := *ptr.toString() + return len(v) + SizeVarint(uint64(len(v))) + tagsize +} +func sizeStringValueNoZero(ptr pointer, tagsize int) int { + v := *ptr.toString() + if v == "" { + return 0 + } + return len(v) + SizeVarint(uint64(len(v))) + tagsize +} +func sizeStringPtr(ptr pointer, tagsize int) int { + p := *ptr.toStringPtr() + if p == nil { + return 0 + } + v := *p + return len(v) + SizeVarint(uint64(len(v))) + tagsize +} +func sizeStringSlice(ptr pointer, tagsize int) int { + s := *ptr.toStringSlice() + n := 0 + for _, v := range s { + n += len(v) + SizeVarint(uint64(len(v))) + tagsize + } + return n +} +func sizeBytes(ptr pointer, tagsize int) int { + v := *ptr.toBytes() + if v == nil { + return 0 + } + return len(v) + SizeVarint(uint64(len(v))) + tagsize +} +func sizeBytes3(ptr pointer, tagsize int) int { + v := *ptr.toBytes() + if len(v) == 0 { + return 0 + } + return len(v) + SizeVarint(uint64(len(v))) + tagsize +} +func sizeBytesOneof(ptr pointer, tagsize int) int { + v := *ptr.toBytes() + return len(v) + SizeVarint(uint64(len(v))) + tagsize +} +func sizeBytesSlice(ptr pointer, tagsize int) int { + s := *ptr.toBytesSlice() + n := 0 + for _, v := range s { + n += len(v) + SizeVarint(uint64(len(v))) + tagsize + } + return n +} + +// appendFixed32 appends an encoded fixed32 to b. +func appendFixed32(b []byte, v uint32) []byte { + b = append(b, + byte(v), + byte(v>>8), + byte(v>>16), + byte(v>>24)) + return b +} + +// appendFixed64 appends an encoded fixed64 to b. +func appendFixed64(b []byte, v uint64) []byte { + b = append(b, + byte(v), + byte(v>>8), + byte(v>>16), + byte(v>>24), + byte(v>>32), + byte(v>>40), + byte(v>>48), + byte(v>>56)) + return b +} + +// appendVarint appends an encoded varint to b. +func appendVarint(b []byte, v uint64) []byte { + // TODO: make 1-byte (maybe 2-byte) case inline-able, once we + // have non-leaf inliner. + switch { + case v < 1<<7: + b = append(b, byte(v)) + case v < 1<<14: + b = append(b, + byte(v&0x7f|0x80), + byte(v>>7)) + case v < 1<<21: + b = append(b, + byte(v&0x7f|0x80), + byte((v>>7)&0x7f|0x80), + byte(v>>14)) + case v < 1<<28: + b = append(b, + byte(v&0x7f|0x80), + byte((v>>7)&0x7f|0x80), + byte((v>>14)&0x7f|0x80), + byte(v>>21)) + case v < 1<<35: + b = append(b, + byte(v&0x7f|0x80), + byte((v>>7)&0x7f|0x80), + byte((v>>14)&0x7f|0x80), + byte((v>>21)&0x7f|0x80), + byte(v>>28)) + case v < 1<<42: + b = append(b, + byte(v&0x7f|0x80), + byte((v>>7)&0x7f|0x80), + byte((v>>14)&0x7f|0x80), + byte((v>>21)&0x7f|0x80), + byte((v>>28)&0x7f|0x80), + byte(v>>35)) + case v < 1<<49: + b = append(b, + byte(v&0x7f|0x80), + byte((v>>7)&0x7f|0x80), + byte((v>>14)&0x7f|0x80), + byte((v>>21)&0x7f|0x80), + byte((v>>28)&0x7f|0x80), + byte((v>>35)&0x7f|0x80), + byte(v>>42)) + case v < 1<<56: + b = append(b, + byte(v&0x7f|0x80), + byte((v>>7)&0x7f|0x80), + byte((v>>14)&0x7f|0x80), + byte((v>>21)&0x7f|0x80), + byte((v>>28)&0x7f|0x80), + byte((v>>35)&0x7f|0x80), + byte((v>>42)&0x7f|0x80), + byte(v>>49)) + case v < 1<<63: + b = append(b, + byte(v&0x7f|0x80), + byte((v>>7)&0x7f|0x80), + byte((v>>14)&0x7f|0x80), + byte((v>>21)&0x7f|0x80), + byte((v>>28)&0x7f|0x80), + byte((v>>35)&0x7f|0x80), + byte((v>>42)&0x7f|0x80), + byte((v>>49)&0x7f|0x80), + byte(v>>56)) + default: + b = append(b, + byte(v&0x7f|0x80), + byte((v>>7)&0x7f|0x80), + byte((v>>14)&0x7f|0x80), + byte((v>>21)&0x7f|0x80), + byte((v>>28)&0x7f|0x80), + byte((v>>35)&0x7f|0x80), + byte((v>>42)&0x7f|0x80), + byte((v>>49)&0x7f|0x80), + byte((v>>56)&0x7f|0x80), + 1) + } + return b +} + +func appendFixed32Value(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + v := *ptr.toUint32() + b = appendVarint(b, wiretag) + b = appendFixed32(b, v) + return b, nil +} +func appendFixed32ValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + v := *ptr.toUint32() + if v == 0 { + return b, nil + } + b = appendVarint(b, wiretag) + b = appendFixed32(b, v) + return b, nil +} +func appendFixed32Ptr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + p := *ptr.toUint32Ptr() + if p == nil { + return b, nil + } + b = appendVarint(b, wiretag) + b = appendFixed32(b, *p) + return b, nil +} +func appendFixed32Slice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + s := *ptr.toUint32Slice() + for _, v := range s { + b = appendVarint(b, wiretag) + b = appendFixed32(b, v) + } + return b, nil +} +func appendFixed32PackedSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + s := *ptr.toUint32Slice() + if len(s) == 0 { + return b, nil + } + b = appendVarint(b, wiretag&^7|WireBytes) + b = appendVarint(b, uint64(4*len(s))) + for _, v := range s { + b = appendFixed32(b, v) + } + return b, nil +} +func appendFixedS32Value(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + v := *ptr.toInt32() + b = appendVarint(b, wiretag) + b = appendFixed32(b, uint32(v)) + return b, nil +} +func appendFixedS32ValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + v := *ptr.toInt32() + if v == 0 { + return b, nil + } + b = appendVarint(b, wiretag) + b = appendFixed32(b, uint32(v)) + return b, nil +} +func appendFixedS32Ptr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + p := ptr.getInt32Ptr() + if p == nil { + return b, nil + } + b = appendVarint(b, wiretag) + b = appendFixed32(b, uint32(*p)) + return b, nil +} +func appendFixedS32Slice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + s := ptr.getInt32Slice() + for _, v := range s { + b = appendVarint(b, wiretag) + b = appendFixed32(b, uint32(v)) + } + return b, nil +} +func appendFixedS32PackedSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + s := ptr.getInt32Slice() + if len(s) == 0 { + return b, nil + } + b = appendVarint(b, wiretag&^7|WireBytes) + b = appendVarint(b, uint64(4*len(s))) + for _, v := range s { + b = appendFixed32(b, uint32(v)) + } + return b, nil +} +func appendFloat32Value(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + v := math.Float32bits(*ptr.toFloat32()) + b = appendVarint(b, wiretag) + b = appendFixed32(b, v) + return b, nil +} +func appendFloat32ValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + v := math.Float32bits(*ptr.toFloat32()) + if v == 0 { + return b, nil + } + b = appendVarint(b, wiretag) + b = appendFixed32(b, v) + return b, nil +} +func appendFloat32Ptr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + p := *ptr.toFloat32Ptr() + if p == nil { + return b, nil + } + b = appendVarint(b, wiretag) + b = appendFixed32(b, math.Float32bits(*p)) + return b, nil +} +func appendFloat32Slice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + s := *ptr.toFloat32Slice() + for _, v := range s { + b = appendVarint(b, wiretag) + b = appendFixed32(b, math.Float32bits(v)) + } + return b, nil +} +func appendFloat32PackedSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + s := *ptr.toFloat32Slice() + if len(s) == 0 { + return b, nil + } + b = appendVarint(b, wiretag&^7|WireBytes) + b = appendVarint(b, uint64(4*len(s))) + for _, v := range s { + b = appendFixed32(b, math.Float32bits(v)) + } + return b, nil +} +func appendFixed64Value(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + v := *ptr.toUint64() + b = appendVarint(b, wiretag) + b = appendFixed64(b, v) + return b, nil +} +func appendFixed64ValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + v := *ptr.toUint64() + if v == 0 { + return b, nil + } + b = appendVarint(b, wiretag) + b = appendFixed64(b, v) + return b, nil +} +func appendFixed64Ptr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + p := *ptr.toUint64Ptr() + if p == nil { + return b, nil + } + b = appendVarint(b, wiretag) + b = appendFixed64(b, *p) + return b, nil +} +func appendFixed64Slice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + s := *ptr.toUint64Slice() + for _, v := range s { + b = appendVarint(b, wiretag) + b = appendFixed64(b, v) + } + return b, nil +} +func appendFixed64PackedSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + s := *ptr.toUint64Slice() + if len(s) == 0 { + return b, nil + } + b = appendVarint(b, wiretag&^7|WireBytes) + b = appendVarint(b, uint64(8*len(s))) + for _, v := range s { + b = appendFixed64(b, v) + } + return b, nil +} +func appendFixedS64Value(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + v := *ptr.toInt64() + b = appendVarint(b, wiretag) + b = appendFixed64(b, uint64(v)) + return b, nil +} +func appendFixedS64ValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + v := *ptr.toInt64() + if v == 0 { + return b, nil + } + b = appendVarint(b, wiretag) + b = appendFixed64(b, uint64(v)) + return b, nil +} +func appendFixedS64Ptr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + p := *ptr.toInt64Ptr() + if p == nil { + return b, nil + } + b = appendVarint(b, wiretag) + b = appendFixed64(b, uint64(*p)) + return b, nil +} +func appendFixedS64Slice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + s := *ptr.toInt64Slice() + for _, v := range s { + b = appendVarint(b, wiretag) + b = appendFixed64(b, uint64(v)) + } + return b, nil +} +func appendFixedS64PackedSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + s := *ptr.toInt64Slice() + if len(s) == 0 { + return b, nil + } + b = appendVarint(b, wiretag&^7|WireBytes) + b = appendVarint(b, uint64(8*len(s))) + for _, v := range s { + b = appendFixed64(b, uint64(v)) + } + return b, nil +} +func appendFloat64Value(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + v := math.Float64bits(*ptr.toFloat64()) + b = appendVarint(b, wiretag) + b = appendFixed64(b, v) + return b, nil +} +func appendFloat64ValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + v := math.Float64bits(*ptr.toFloat64()) + if v == 0 { + return b, nil + } + b = appendVarint(b, wiretag) + b = appendFixed64(b, v) + return b, nil +} +func appendFloat64Ptr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + p := *ptr.toFloat64Ptr() + if p == nil { + return b, nil + } + b = appendVarint(b, wiretag) + b = appendFixed64(b, math.Float64bits(*p)) + return b, nil +} +func appendFloat64Slice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + s := *ptr.toFloat64Slice() + for _, v := range s { + b = appendVarint(b, wiretag) + b = appendFixed64(b, math.Float64bits(v)) + } + return b, nil +} +func appendFloat64PackedSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + s := *ptr.toFloat64Slice() + if len(s) == 0 { + return b, nil + } + b = appendVarint(b, wiretag&^7|WireBytes) + b = appendVarint(b, uint64(8*len(s))) + for _, v := range s { + b = appendFixed64(b, math.Float64bits(v)) + } + return b, nil +} +func appendVarint32Value(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + v := *ptr.toUint32() + b = appendVarint(b, wiretag) + b = appendVarint(b, uint64(v)) + return b, nil +} +func appendVarint32ValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + v := *ptr.toUint32() + if v == 0 { + return b, nil + } + b = appendVarint(b, wiretag) + b = appendVarint(b, uint64(v)) + return b, nil +} +func appendVarint32Ptr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + p := *ptr.toUint32Ptr() + if p == nil { + return b, nil + } + b = appendVarint(b, wiretag) + b = appendVarint(b, uint64(*p)) + return b, nil +} +func appendVarint32Slice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + s := *ptr.toUint32Slice() + for _, v := range s { + b = appendVarint(b, wiretag) + b = appendVarint(b, uint64(v)) + } + return b, nil +} +func appendVarint32PackedSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + s := *ptr.toUint32Slice() + if len(s) == 0 { + return b, nil + } + b = appendVarint(b, wiretag&^7|WireBytes) + // compute size + n := 0 + for _, v := range s { + n += SizeVarint(uint64(v)) + } + b = appendVarint(b, uint64(n)) + for _, v := range s { + b = appendVarint(b, uint64(v)) + } + return b, nil +} +func appendVarintS32Value(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + v := *ptr.toInt32() + b = appendVarint(b, wiretag) + b = appendVarint(b, uint64(v)) + return b, nil +} +func appendVarintS32ValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + v := *ptr.toInt32() + if v == 0 { + return b, nil + } + b = appendVarint(b, wiretag) + b = appendVarint(b, uint64(v)) + return b, nil +} +func appendVarintS32Ptr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + p := ptr.getInt32Ptr() + if p == nil { + return b, nil + } + b = appendVarint(b, wiretag) + b = appendVarint(b, uint64(*p)) + return b, nil +} +func appendVarintS32Slice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + s := ptr.getInt32Slice() + for _, v := range s { + b = appendVarint(b, wiretag) + b = appendVarint(b, uint64(v)) + } + return b, nil +} +func appendVarintS32PackedSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + s := ptr.getInt32Slice() + if len(s) == 0 { + return b, nil + } + b = appendVarint(b, wiretag&^7|WireBytes) + // compute size + n := 0 + for _, v := range s { + n += SizeVarint(uint64(v)) + } + b = appendVarint(b, uint64(n)) + for _, v := range s { + b = appendVarint(b, uint64(v)) + } + return b, nil +} +func appendVarint64Value(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + v := *ptr.toUint64() + b = appendVarint(b, wiretag) + b = appendVarint(b, v) + return b, nil +} +func appendVarint64ValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + v := *ptr.toUint64() + if v == 0 { + return b, nil + } + b = appendVarint(b, wiretag) + b = appendVarint(b, v) + return b, nil +} +func appendVarint64Ptr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + p := *ptr.toUint64Ptr() + if p == nil { + return b, nil + } + b = appendVarint(b, wiretag) + b = appendVarint(b, *p) + return b, nil +} +func appendVarint64Slice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + s := *ptr.toUint64Slice() + for _, v := range s { + b = appendVarint(b, wiretag) + b = appendVarint(b, v) + } + return b, nil +} +func appendVarint64PackedSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + s := *ptr.toUint64Slice() + if len(s) == 0 { + return b, nil + } + b = appendVarint(b, wiretag&^7|WireBytes) + // compute size + n := 0 + for _, v := range s { + n += SizeVarint(v) + } + b = appendVarint(b, uint64(n)) + for _, v := range s { + b = appendVarint(b, v) + } + return b, nil +} +func appendVarintS64Value(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + v := *ptr.toInt64() + b = appendVarint(b, wiretag) + b = appendVarint(b, uint64(v)) + return b, nil +} +func appendVarintS64ValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + v := *ptr.toInt64() + if v == 0 { + return b, nil + } + b = appendVarint(b, wiretag) + b = appendVarint(b, uint64(v)) + return b, nil +} +func appendVarintS64Ptr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + p := *ptr.toInt64Ptr() + if p == nil { + return b, nil + } + b = appendVarint(b, wiretag) + b = appendVarint(b, uint64(*p)) + return b, nil +} +func appendVarintS64Slice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + s := *ptr.toInt64Slice() + for _, v := range s { + b = appendVarint(b, wiretag) + b = appendVarint(b, uint64(v)) + } + return b, nil +} +func appendVarintS64PackedSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + s := *ptr.toInt64Slice() + if len(s) == 0 { + return b, nil + } + b = appendVarint(b, wiretag&^7|WireBytes) + // compute size + n := 0 + for _, v := range s { + n += SizeVarint(uint64(v)) + } + b = appendVarint(b, uint64(n)) + for _, v := range s { + b = appendVarint(b, uint64(v)) + } + return b, nil +} +func appendZigzag32Value(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + v := *ptr.toInt32() + b = appendVarint(b, wiretag) + b = appendVarint(b, uint64((uint32(v)<<1)^uint32((int32(v)>>31)))) + return b, nil +} +func appendZigzag32ValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + v := *ptr.toInt32() + if v == 0 { + return b, nil + } + b = appendVarint(b, wiretag) + b = appendVarint(b, uint64((uint32(v)<<1)^uint32((int32(v)>>31)))) + return b, nil +} +func appendZigzag32Ptr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + p := ptr.getInt32Ptr() + if p == nil { + return b, nil + } + b = appendVarint(b, wiretag) + v := *p + b = appendVarint(b, uint64((uint32(v)<<1)^uint32((int32(v)>>31)))) + return b, nil +} +func appendZigzag32Slice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + s := ptr.getInt32Slice() + for _, v := range s { + b = appendVarint(b, wiretag) + b = appendVarint(b, uint64((uint32(v)<<1)^uint32((int32(v)>>31)))) + } + return b, nil +} +func appendZigzag32PackedSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + s := ptr.getInt32Slice() + if len(s) == 0 { + return b, nil + } + b = appendVarint(b, wiretag&^7|WireBytes) + // compute size + n := 0 + for _, v := range s { + n += SizeVarint(uint64((uint32(v) << 1) ^ uint32((int32(v) >> 31)))) + } + b = appendVarint(b, uint64(n)) + for _, v := range s { + b = appendVarint(b, uint64((uint32(v)<<1)^uint32((int32(v)>>31)))) + } + return b, nil +} +func appendZigzag64Value(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + v := *ptr.toInt64() + b = appendVarint(b, wiretag) + b = appendVarint(b, uint64(v<<1)^uint64((int64(v)>>63))) + return b, nil +} +func appendZigzag64ValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + v := *ptr.toInt64() + if v == 0 { + return b, nil + } + b = appendVarint(b, wiretag) + b = appendVarint(b, uint64(v<<1)^uint64((int64(v)>>63))) + return b, nil +} +func appendZigzag64Ptr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + p := *ptr.toInt64Ptr() + if p == nil { + return b, nil + } + b = appendVarint(b, wiretag) + v := *p + b = appendVarint(b, uint64(v<<1)^uint64((int64(v)>>63))) + return b, nil +} +func appendZigzag64Slice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + s := *ptr.toInt64Slice() + for _, v := range s { + b = appendVarint(b, wiretag) + b = appendVarint(b, uint64(v<<1)^uint64((int64(v)>>63))) + } + return b, nil +} +func appendZigzag64PackedSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + s := *ptr.toInt64Slice() + if len(s) == 0 { + return b, nil + } + b = appendVarint(b, wiretag&^7|WireBytes) + // compute size + n := 0 + for _, v := range s { + n += SizeVarint(uint64(v<<1) ^ uint64((int64(v) >> 63))) + } + b = appendVarint(b, uint64(n)) + for _, v := range s { + b = appendVarint(b, uint64(v<<1)^uint64((int64(v)>>63))) + } + return b, nil +} +func appendBoolValue(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + v := *ptr.toBool() + b = appendVarint(b, wiretag) + if v { + b = append(b, 1) + } else { + b = append(b, 0) + } + return b, nil +} +func appendBoolValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + v := *ptr.toBool() + if !v { + return b, nil + } + b = appendVarint(b, wiretag) + b = append(b, 1) + return b, nil +} + +func appendBoolPtr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + p := *ptr.toBoolPtr() + if p == nil { + return b, nil + } + b = appendVarint(b, wiretag) + if *p { + b = append(b, 1) + } else { + b = append(b, 0) + } + return b, nil +} +func appendBoolSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + s := *ptr.toBoolSlice() + for _, v := range s { + b = appendVarint(b, wiretag) + if v { + b = append(b, 1) + } else { + b = append(b, 0) + } + } + return b, nil +} +func appendBoolPackedSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + s := *ptr.toBoolSlice() + if len(s) == 0 { + return b, nil + } + b = appendVarint(b, wiretag&^7|WireBytes) + b = appendVarint(b, uint64(len(s))) + for _, v := range s { + if v { + b = append(b, 1) + } else { + b = append(b, 0) + } + } + return b, nil +} +func appendStringValue(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + v := *ptr.toString() + b = appendVarint(b, wiretag) + b = appendVarint(b, uint64(len(v))) + b = append(b, v...) + return b, nil +} +func appendStringValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + v := *ptr.toString() + if v == "" { + return b, nil + } + b = appendVarint(b, wiretag) + b = appendVarint(b, uint64(len(v))) + b = append(b, v...) + return b, nil +} +func appendStringPtr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + p := *ptr.toStringPtr() + if p == nil { + return b, nil + } + v := *p + b = appendVarint(b, wiretag) + b = appendVarint(b, uint64(len(v))) + b = append(b, v...) + return b, nil +} +func appendStringSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + s := *ptr.toStringSlice() + for _, v := range s { + b = appendVarint(b, wiretag) + b = appendVarint(b, uint64(len(v))) + b = append(b, v...) + } + return b, nil +} +func appendUTF8StringValue(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + v := *ptr.toString() + if !utf8.ValidString(v) { + return nil, errInvalidUTF8 + } + b = appendVarint(b, wiretag) + b = appendVarint(b, uint64(len(v))) + b = append(b, v...) + return b, nil +} +func appendUTF8StringValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + v := *ptr.toString() + if v == "" { + return b, nil + } + if !utf8.ValidString(v) { + return nil, errInvalidUTF8 + } + b = appendVarint(b, wiretag) + b = appendVarint(b, uint64(len(v))) + b = append(b, v...) + return b, nil +} +func appendUTF8StringPtr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + p := *ptr.toStringPtr() + if p == nil { + return b, nil + } + v := *p + if !utf8.ValidString(v) { + return nil, errInvalidUTF8 + } + b = appendVarint(b, wiretag) + b = appendVarint(b, uint64(len(v))) + b = append(b, v...) + return b, nil +} +func appendUTF8StringSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + s := *ptr.toStringSlice() + for _, v := range s { + if !utf8.ValidString(v) { + return nil, errInvalidUTF8 + } + b = appendVarint(b, wiretag) + b = appendVarint(b, uint64(len(v))) + b = append(b, v...) + } + return b, nil +} +func appendBytes(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + v := *ptr.toBytes() + if v == nil { + return b, nil + } + b = appendVarint(b, wiretag) + b = appendVarint(b, uint64(len(v))) + b = append(b, v...) + return b, nil +} +func appendBytes3(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + v := *ptr.toBytes() + if len(v) == 0 { + return b, nil + } + b = appendVarint(b, wiretag) + b = appendVarint(b, uint64(len(v))) + b = append(b, v...) + return b, nil +} +func appendBytesOneof(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + v := *ptr.toBytes() + b = appendVarint(b, wiretag) + b = appendVarint(b, uint64(len(v))) + b = append(b, v...) + return b, nil +} +func appendBytesSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { + s := *ptr.toBytesSlice() + for _, v := range s { + b = appendVarint(b, wiretag) + b = appendVarint(b, uint64(len(v))) + b = append(b, v...) + } + return b, nil +} + +// makeGroupMarshaler returns the sizer and marshaler for a group. +// u is the marshal info of the underlying message. +func makeGroupMarshaler(u *marshalInfo) (sizer, marshaler) { + return func(ptr pointer, tagsize int) int { + p := ptr.getPointer() + if p.isNil() { + return 0 + } + return u.size(p) + 2*tagsize + }, + func(b []byte, ptr pointer, wiretag uint64, deterministic bool) ([]byte, error) { + p := ptr.getPointer() + if p.isNil() { + return b, nil + } + var err error + b = appendVarint(b, wiretag) // start group + b, err = u.marshal(b, p, deterministic) + b = appendVarint(b, wiretag+(WireEndGroup-WireStartGroup)) // end group + return b, err + } +} + +// makeGroupSliceMarshaler returns the sizer and marshaler for a group slice. +// u is the marshal info of the underlying message. +func makeGroupSliceMarshaler(u *marshalInfo) (sizer, marshaler) { + return func(ptr pointer, tagsize int) int { + s := ptr.getPointerSlice() + n := 0 + for _, v := range s { + if v.isNil() { + continue + } + n += u.size(v) + 2*tagsize + } + return n + }, + func(b []byte, ptr pointer, wiretag uint64, deterministic bool) ([]byte, error) { + s := ptr.getPointerSlice() + var err, errreq error + for _, v := range s { + if v.isNil() { + return b, errRepeatedHasNil + } + b = appendVarint(b, wiretag) // start group + b, err = u.marshal(b, v, deterministic) + b = appendVarint(b, wiretag+(WireEndGroup-WireStartGroup)) // end group + if err != nil { + if _, ok := err.(*RequiredNotSetError); ok { + // Required field in submessage is not set. + // We record the error but keep going, to give a complete marshaling. + if errreq == nil { + errreq = err + } + continue + } + if err == ErrNil { + err = errRepeatedHasNil + } + return b, err + } + } + return b, errreq + } +} + +// makeMessageMarshaler returns the sizer and marshaler for a message field. +// u is the marshal info of the message. +func makeMessageMarshaler(u *marshalInfo) (sizer, marshaler) { + return func(ptr pointer, tagsize int) int { + p := ptr.getPointer() + if p.isNil() { + return 0 + } + siz := u.size(p) + return siz + SizeVarint(uint64(siz)) + tagsize + }, + func(b []byte, ptr pointer, wiretag uint64, deterministic bool) ([]byte, error) { + p := ptr.getPointer() + if p.isNil() { + return b, nil + } + b = appendVarint(b, wiretag) + siz := u.cachedsize(p) + b = appendVarint(b, uint64(siz)) + return u.marshal(b, p, deterministic) + } +} + +// makeMessageSliceMarshaler returns the sizer and marshaler for a message slice. +// u is the marshal info of the message. +func makeMessageSliceMarshaler(u *marshalInfo) (sizer, marshaler) { + return func(ptr pointer, tagsize int) int { + s := ptr.getPointerSlice() + n := 0 + for _, v := range s { + if v.isNil() { + continue + } + siz := u.size(v) + n += siz + SizeVarint(uint64(siz)) + tagsize + } + return n + }, + func(b []byte, ptr pointer, wiretag uint64, deterministic bool) ([]byte, error) { + s := ptr.getPointerSlice() + var err, errreq error + for _, v := range s { + if v.isNil() { + return b, errRepeatedHasNil + } + b = appendVarint(b, wiretag) + siz := u.cachedsize(v) + b = appendVarint(b, uint64(siz)) + b, err = u.marshal(b, v, deterministic) + + if err != nil { + if _, ok := err.(*RequiredNotSetError); ok { + // Required field in submessage is not set. + // We record the error but keep going, to give a complete marshaling. + if errreq == nil { + errreq = err + } + continue + } + if err == ErrNil { + err = errRepeatedHasNil + } + return b, err + } + } + return b, errreq + } +} + +// makeMapMarshaler returns the sizer and marshaler for a map field. +// f is the pointer to the reflect data structure of the field. +func makeMapMarshaler(f *reflect.StructField) (sizer, marshaler) { + // figure out key and value type + t := f.Type + keyType := t.Key() + valType := t.Elem() + keyTags := strings.Split(f.Tag.Get("protobuf_key"), ",") + valTags := strings.Split(f.Tag.Get("protobuf_val"), ",") + keySizer, keyMarshaler := typeMarshaler(keyType, keyTags, false, false) // don't omit zero value in map + valSizer, valMarshaler := typeMarshaler(valType, valTags, false, false) // don't omit zero value in map + keyWireTag := 1<<3 | wiretype(keyTags[0]) + valWireTag := 2<<3 | wiretype(valTags[0]) + + // We create an interface to get the addresses of the map key and value. + // If value is pointer-typed, the interface is a direct interface, the + // idata itself is the value. Otherwise, the idata is the pointer to the + // value. + // Key cannot be pointer-typed. + valIsPtr := valType.Kind() == reflect.Ptr + return func(ptr pointer, tagsize int) int { + m := ptr.asPointerTo(t).Elem() // the map + n := 0 + for _, k := range m.MapKeys() { + ki := k.Interface() + vi := m.MapIndex(k).Interface() + kaddr := toAddrPointer(&ki, false) // pointer to key + vaddr := toAddrPointer(&vi, valIsPtr) // pointer to value + siz := keySizer(kaddr, 1) + valSizer(vaddr, 1) // tag of key = 1 (size=1), tag of val = 2 (size=1) + n += siz + SizeVarint(uint64(siz)) + tagsize + } + return n + }, + func(b []byte, ptr pointer, tag uint64, deterministic bool) ([]byte, error) { + m := ptr.asPointerTo(t).Elem() // the map + var err error + keys := m.MapKeys() + if len(keys) > 1 && deterministic { + sort.Sort(mapKeys(keys)) + } + for _, k := range keys { + ki := k.Interface() + vi := m.MapIndex(k).Interface() + kaddr := toAddrPointer(&ki, false) // pointer to key + vaddr := toAddrPointer(&vi, valIsPtr) // pointer to value + b = appendVarint(b, tag) + siz := keySizer(kaddr, 1) + valSizer(vaddr, 1) // tag of key = 1 (size=1), tag of val = 2 (size=1) + b = appendVarint(b, uint64(siz)) + b, err = keyMarshaler(b, kaddr, keyWireTag, deterministic) + if err != nil { + return b, err + } + b, err = valMarshaler(b, vaddr, valWireTag, deterministic) + if err != nil && err != ErrNil { // allow nil value in map + return b, err + } + } + return b, nil + } +} + +// makeOneOfMarshaler returns the sizer and marshaler for a oneof field. +// fi is the marshal info of the field. +// f is the pointer to the reflect data structure of the field. +func makeOneOfMarshaler(fi *marshalFieldInfo, f *reflect.StructField) (sizer, marshaler) { + // Oneof field is an interface. We need to get the actual data type on the fly. + t := f.Type + return func(ptr pointer, _ int) int { + p := ptr.getInterfacePointer() + if p.isNil() { + return 0 + } + v := ptr.asPointerTo(t).Elem().Elem().Elem() // *interface -> interface -> *struct -> struct + telem := v.Type() + e := fi.oneofElems[telem] + return e.sizer(p, e.tagsize) + }, + func(b []byte, ptr pointer, _ uint64, deterministic bool) ([]byte, error) { + p := ptr.getInterfacePointer() + if p.isNil() { + return b, nil + } + v := ptr.asPointerTo(t).Elem().Elem().Elem() // *interface -> interface -> *struct -> struct + telem := v.Type() + if telem.Field(0).Type.Kind() == reflect.Ptr && p.getPointer().isNil() { + return b, errOneofHasNil + } + e := fi.oneofElems[telem] + return e.marshaler(b, p, e.wiretag, deterministic) + } +} + +// sizeExtensions computes the size of encoded data for a XXX_InternalExtensions field. +func (u *marshalInfo) sizeExtensions(ext *XXX_InternalExtensions) int { + m, mu := ext.extensionsRead() + if m == nil { + return 0 + } + mu.Lock() + + n := 0 + for _, e := range m { + if e.value == nil || e.desc == nil { + // Extension is only in its encoded form. + n += len(e.enc) + continue + } + + // We don't skip extensions that have an encoded form set, + // because the extension value may have been mutated after + // the last time this function was called. + ei := u.getExtElemInfo(e.desc) + v := e.value + p := toAddrPointer(&v, ei.isptr) + n += ei.sizer(p, ei.tagsize) + } + mu.Unlock() + return n +} + +// appendExtensions marshals a XXX_InternalExtensions field to the end of byte slice b. +func (u *marshalInfo) appendExtensions(b []byte, ext *XXX_InternalExtensions, deterministic bool) ([]byte, error) { + m, mu := ext.extensionsRead() + if m == nil { + return b, nil + } + mu.Lock() + defer mu.Unlock() + + var err error + + // Fast-path for common cases: zero or one extensions. + // Don't bother sorting the keys. + if len(m) <= 1 { + for _, e := range m { + if e.value == nil || e.desc == nil { + // Extension is only in its encoded form. + b = append(b, e.enc...) + continue + } + + // We don't skip extensions that have an encoded form set, + // because the extension value may have been mutated after + // the last time this function was called. + + ei := u.getExtElemInfo(e.desc) + v := e.value + p := toAddrPointer(&v, ei.isptr) + b, err = ei.marshaler(b, p, ei.wiretag, deterministic) + if err != nil { + return b, err + } + } + return b, nil + } + + // Sort the keys to provide a deterministic encoding. + // Not sure this is required, but the old code does it. + keys := make([]int, 0, len(m)) + for k := range m { + keys = append(keys, int(k)) + } + sort.Ints(keys) + + for _, k := range keys { + e := m[int32(k)] + if e.value == nil || e.desc == nil { + // Extension is only in its encoded form. + b = append(b, e.enc...) + continue + } + + // We don't skip extensions that have an encoded form set, + // because the extension value may have been mutated after + // the last time this function was called. + + ei := u.getExtElemInfo(e.desc) + v := e.value + p := toAddrPointer(&v, ei.isptr) + b, err = ei.marshaler(b, p, ei.wiretag, deterministic) + if err != nil { + return b, err + } + } + return b, nil +} + +// message set format is: +// message MessageSet { +// repeated group Item = 1 { +// required int32 type_id = 2; +// required string message = 3; +// }; +// } + +// sizeMessageSet computes the size of encoded data for a XXX_InternalExtensions field +// in message set format (above). +func (u *marshalInfo) sizeMessageSet(ext *XXX_InternalExtensions) int { + m, mu := ext.extensionsRead() + if m == nil { + return 0 + } + mu.Lock() + + n := 0 + for id, e := range m { + n += 2 // start group, end group. tag = 1 (size=1) + n += SizeVarint(uint64(id)) + 1 // type_id, tag = 2 (size=1) + + if e.value == nil || e.desc == nil { + // Extension is only in its encoded form. + msgWithLen := skipVarint(e.enc) // skip old tag, but leave the length varint + siz := len(msgWithLen) + n += siz + 1 // message, tag = 3 (size=1) + continue + } + + // We don't skip extensions that have an encoded form set, + // because the extension value may have been mutated after + // the last time this function was called. + + ei := u.getExtElemInfo(e.desc) + v := e.value + p := toAddrPointer(&v, ei.isptr) + n += ei.sizer(p, 1) // message, tag = 3 (size=1) + } + mu.Unlock() + return n +} + +// appendMessageSet marshals a XXX_InternalExtensions field in message set format (above) +// to the end of byte slice b. +func (u *marshalInfo) appendMessageSet(b []byte, ext *XXX_InternalExtensions, deterministic bool) ([]byte, error) { + m, mu := ext.extensionsRead() + if m == nil { + return b, nil + } + mu.Lock() + defer mu.Unlock() + + var err error + + // Fast-path for common cases: zero or one extensions. + // Don't bother sorting the keys. + if len(m) <= 1 { + for id, e := range m { + b = append(b, 1<<3|WireStartGroup) + b = append(b, 2<<3|WireVarint) + b = appendVarint(b, uint64(id)) + + if e.value == nil || e.desc == nil { + // Extension is only in its encoded form. + msgWithLen := skipVarint(e.enc) // skip old tag, but leave the length varint + b = append(b, 3<<3|WireBytes) + b = append(b, msgWithLen...) + b = append(b, 1<<3|WireEndGroup) + continue + } + + // We don't skip extensions that have an encoded form set, + // because the extension value may have been mutated after + // the last time this function was called. + + ei := u.getExtElemInfo(e.desc) + v := e.value + p := toAddrPointer(&v, ei.isptr) + b, err = ei.marshaler(b, p, 3<<3|WireBytes, deterministic) + if err != nil { + return b, err + } + b = append(b, 1<<3|WireEndGroup) + } + return b, nil + } + + // Sort the keys to provide a deterministic encoding. + keys := make([]int, 0, len(m)) + for k := range m { + keys = append(keys, int(k)) + } + sort.Ints(keys) + + for _, id := range keys { + e := m[int32(id)] + b = append(b, 1<<3|WireStartGroup) + b = append(b, 2<<3|WireVarint) + b = appendVarint(b, uint64(id)) + + if e.value == nil || e.desc == nil { + // Extension is only in its encoded form. + msgWithLen := skipVarint(e.enc) // skip old tag, but leave the length varint + b = append(b, 3<<3|WireBytes) + b = append(b, msgWithLen...) + b = append(b, 1<<3|WireEndGroup) + continue + } + + // We don't skip extensions that have an encoded form set, + // because the extension value may have been mutated after + // the last time this function was called. + + ei := u.getExtElemInfo(e.desc) + v := e.value + p := toAddrPointer(&v, ei.isptr) + b, err = ei.marshaler(b, p, 3<<3|WireBytes, deterministic) + b = append(b, 1<<3|WireEndGroup) + if err != nil { + return b, err + } + } + return b, nil +} + +// sizeV1Extensions computes the size of encoded data for a V1-API extension field. +func (u *marshalInfo) sizeV1Extensions(m map[int32]Extension) int { + if m == nil { + return 0 + } + + n := 0 + for _, e := range m { + if e.value == nil || e.desc == nil { + // Extension is only in its encoded form. + n += len(e.enc) + continue + } + + // We don't skip extensions that have an encoded form set, + // because the extension value may have been mutated after + // the last time this function was called. + + ei := u.getExtElemInfo(e.desc) + v := e.value + p := toAddrPointer(&v, ei.isptr) + n += ei.sizer(p, ei.tagsize) + } + return n +} + +// appendV1Extensions marshals a V1-API extension field to the end of byte slice b. +func (u *marshalInfo) appendV1Extensions(b []byte, m map[int32]Extension, deterministic bool) ([]byte, error) { + if m == nil { + return b, nil + } + + // Sort the keys to provide a deterministic encoding. + keys := make([]int, 0, len(m)) + for k := range m { + keys = append(keys, int(k)) + } + sort.Ints(keys) + + var err error + for _, k := range keys { + e := m[int32(k)] + if e.value == nil || e.desc == nil { + // Extension is only in its encoded form. + b = append(b, e.enc...) + continue + } + + // We don't skip extensions that have an encoded form set, + // because the extension value may have been mutated after + // the last time this function was called. + + ei := u.getExtElemInfo(e.desc) + v := e.value + p := toAddrPointer(&v, ei.isptr) + b, err = ei.marshaler(b, p, ei.wiretag, deterministic) + if err != nil { + return b, err + } + } + return b, nil +} + +// newMarshaler is the interface representing objects that can marshal themselves. +// +// This exists to support protoc-gen-go generated messages. +// The proto package will stop type-asserting to this interface in the future. +// +// DO NOT DEPEND ON THIS. +type newMarshaler interface { + XXX_Size() int + XXX_Marshal(b []byte, deterministic bool) ([]byte, error) +} + +// Size returns the encoded size of a protocol buffer message. +// This is the main entry point. +func Size(pb Message) int { + if m, ok := pb.(newMarshaler); ok { + return m.XXX_Size() + } + if m, ok := pb.(Marshaler); ok { + // If the message can marshal itself, let it do it, for compatibility. + // NOTE: This is not efficient. + b, _ := m.Marshal() + return len(b) + } + // in case somehow we didn't generate the wrapper + if pb == nil { + return 0 + } + var info InternalMessageInfo + return info.Size(pb) +} + +// Marshal takes a protocol buffer message +// and encodes it into the wire format, returning the data. +// This is the main entry point. +func Marshal(pb Message) ([]byte, error) { + if m, ok := pb.(newMarshaler); ok { + siz := m.XXX_Size() + b := make([]byte, 0, siz) + return m.XXX_Marshal(b, false) + } + if m, ok := pb.(Marshaler); ok { + // If the message can marshal itself, let it do it, for compatibility. + // NOTE: This is not efficient. + return m.Marshal() + } + // in case somehow we didn't generate the wrapper + if pb == nil { + return nil, ErrNil + } + var info InternalMessageInfo + siz := info.Size(pb) + b := make([]byte, 0, siz) + return info.Marshal(b, pb, false) +} + +// Marshal takes a protocol buffer message +// and encodes it into the wire format, writing the result to the +// Buffer. +// This is an alternative entry point. It is not necessary to use +// a Buffer for most applications. +func (p *Buffer) Marshal(pb Message) error { + var err error + if m, ok := pb.(newMarshaler); ok { + siz := m.XXX_Size() + p.grow(siz) // make sure buf has enough capacity + p.buf, err = m.XXX_Marshal(p.buf, p.deterministic) + return err + } + if m, ok := pb.(Marshaler); ok { + // If the message can marshal itself, let it do it, for compatibility. + // NOTE: This is not efficient. + b, err := m.Marshal() + p.buf = append(p.buf, b...) + return err + } + // in case somehow we didn't generate the wrapper + if pb == nil { + return ErrNil + } + var info InternalMessageInfo + siz := info.Size(pb) + p.grow(siz) // make sure buf has enough capacity + p.buf, err = info.Marshal(p.buf, pb, p.deterministic) + return err +} + +// grow grows the buffer's capacity, if necessary, to guarantee space for +// another n bytes. After grow(n), at least n bytes can be written to the +// buffer without another allocation. +func (p *Buffer) grow(n int) { + need := len(p.buf) + n + if need <= cap(p.buf) { + return + } + newCap := len(p.buf) * 2 + if newCap < need { + newCap = need + } + p.buf = append(make([]byte, 0, newCap), p.buf...) +} diff --git a/vendor/github.com/golang/protobuf/proto/table_merge.go b/vendor/github.com/golang/protobuf/proto/table_merge.go new file mode 100644 index 000000000..5525def6a --- /dev/null +++ b/vendor/github.com/golang/protobuf/proto/table_merge.go @@ -0,0 +1,654 @@ +// Go support for Protocol Buffers - Google's data interchange format +// +// Copyright 2016 The Go Authors. All rights reserved. +// https://github.com/golang/protobuf +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +package proto + +import ( + "fmt" + "reflect" + "strings" + "sync" + "sync/atomic" +) + +// Merge merges the src message into dst. +// This assumes that dst and src of the same type and are non-nil. +func (a *InternalMessageInfo) Merge(dst, src Message) { + mi := atomicLoadMergeInfo(&a.merge) + if mi == nil { + mi = getMergeInfo(reflect.TypeOf(dst).Elem()) + atomicStoreMergeInfo(&a.merge, mi) + } + mi.merge(toPointer(&dst), toPointer(&src)) +} + +type mergeInfo struct { + typ reflect.Type + + initialized int32 // 0: only typ is valid, 1: everything is valid + lock sync.Mutex + + fields []mergeFieldInfo + unrecognized field // Offset of XXX_unrecognized +} + +type mergeFieldInfo struct { + field field // Offset of field, guaranteed to be valid + + // isPointer reports whether the value in the field is a pointer. + // This is true for the following situations: + // * Pointer to struct + // * Pointer to basic type (proto2 only) + // * Slice (first value in slice header is a pointer) + // * String (first value in string header is a pointer) + isPointer bool + + // basicWidth reports the width of the field assuming that it is directly + // embedded in the struct (as is the case for basic types in proto3). + // The possible values are: + // 0: invalid + // 1: bool + // 4: int32, uint32, float32 + // 8: int64, uint64, float64 + basicWidth int + + // Where dst and src are pointers to the types being merged. + merge func(dst, src pointer) +} + +var ( + mergeInfoMap = map[reflect.Type]*mergeInfo{} + mergeInfoLock sync.Mutex +) + +func getMergeInfo(t reflect.Type) *mergeInfo { + mergeInfoLock.Lock() + defer mergeInfoLock.Unlock() + mi := mergeInfoMap[t] + if mi == nil { + mi = &mergeInfo{typ: t} + mergeInfoMap[t] = mi + } + return mi +} + +// merge merges src into dst assuming they are both of type *mi.typ. +func (mi *mergeInfo) merge(dst, src pointer) { + if dst.isNil() { + panic("proto: nil destination") + } + if src.isNil() { + return // Nothing to do. + } + + if atomic.LoadInt32(&mi.initialized) == 0 { + mi.computeMergeInfo() + } + + for _, fi := range mi.fields { + sfp := src.offset(fi.field) + + // As an optimization, we can avoid the merge function call cost + // if we know for sure that the source will have no effect + // by checking if it is the zero value. + if unsafeAllowed { + if fi.isPointer && sfp.getPointer().isNil() { // Could be slice or string + continue + } + if fi.basicWidth > 0 { + switch { + case fi.basicWidth == 1 && !*sfp.toBool(): + continue + case fi.basicWidth == 4 && *sfp.toUint32() == 0: + continue + case fi.basicWidth == 8 && *sfp.toUint64() == 0: + continue + } + } + } + + dfp := dst.offset(fi.field) + fi.merge(dfp, sfp) + } + + // TODO: Make this faster? + out := dst.asPointerTo(mi.typ).Elem() + in := src.asPointerTo(mi.typ).Elem() + if emIn, err := extendable(in.Addr().Interface()); err == nil { + emOut, _ := extendable(out.Addr().Interface()) + mIn, muIn := emIn.extensionsRead() + if mIn != nil { + mOut := emOut.extensionsWrite() + muIn.Lock() + mergeExtension(mOut, mIn) + muIn.Unlock() + } + } + + if mi.unrecognized.IsValid() { + if b := *src.offset(mi.unrecognized).toBytes(); len(b) > 0 { + *dst.offset(mi.unrecognized).toBytes() = append([]byte(nil), b...) + } + } +} + +func (mi *mergeInfo) computeMergeInfo() { + mi.lock.Lock() + defer mi.lock.Unlock() + if mi.initialized != 0 { + return + } + t := mi.typ + n := t.NumField() + + props := GetProperties(t) + for i := 0; i < n; i++ { + f := t.Field(i) + if strings.HasPrefix(f.Name, "XXX_") { + continue + } + + mfi := mergeFieldInfo{field: toField(&f)} + tf := f.Type + + // As an optimization, we can avoid the merge function call cost + // if we know for sure that the source will have no effect + // by checking if it is the zero value. + if unsafeAllowed { + switch tf.Kind() { + case reflect.Ptr, reflect.Slice, reflect.String: + // As a special case, we assume slices and strings are pointers + // since we know that the first field in the SliceSlice or + // StringHeader is a data pointer. + mfi.isPointer = true + case reflect.Bool: + mfi.basicWidth = 1 + case reflect.Int32, reflect.Uint32, reflect.Float32: + mfi.basicWidth = 4 + case reflect.Int64, reflect.Uint64, reflect.Float64: + mfi.basicWidth = 8 + } + } + + // Unwrap tf to get at its most basic type. + var isPointer, isSlice bool + if tf.Kind() == reflect.Slice && tf.Elem().Kind() != reflect.Uint8 { + isSlice = true + tf = tf.Elem() + } + if tf.Kind() == reflect.Ptr { + isPointer = true + tf = tf.Elem() + } + if isPointer && isSlice && tf.Kind() != reflect.Struct { + panic("both pointer and slice for basic type in " + tf.Name()) + } + + switch tf.Kind() { + case reflect.Int32: + switch { + case isSlice: // E.g., []int32 + mfi.merge = func(dst, src pointer) { + // NOTE: toInt32Slice is not defined (see pointer_reflect.go). + /* + sfsp := src.toInt32Slice() + if *sfsp != nil { + dfsp := dst.toInt32Slice() + *dfsp = append(*dfsp, *sfsp...) + if *dfsp == nil { + *dfsp = []int64{} + } + } + */ + sfs := src.getInt32Slice() + if sfs != nil { + dfs := dst.getInt32Slice() + dfs = append(dfs, sfs...) + if dfs == nil { + dfs = []int32{} + } + dst.setInt32Slice(dfs) + } + } + case isPointer: // E.g., *int32 + mfi.merge = func(dst, src pointer) { + // NOTE: toInt32Ptr is not defined (see pointer_reflect.go). + /* + sfpp := src.toInt32Ptr() + if *sfpp != nil { + dfpp := dst.toInt32Ptr() + if *dfpp == nil { + *dfpp = Int32(**sfpp) + } else { + **dfpp = **sfpp + } + } + */ + sfp := src.getInt32Ptr() + if sfp != nil { + dfp := dst.getInt32Ptr() + if dfp == nil { + dst.setInt32Ptr(*sfp) + } else { + *dfp = *sfp + } + } + } + default: // E.g., int32 + mfi.merge = func(dst, src pointer) { + if v := *src.toInt32(); v != 0 { + *dst.toInt32() = v + } + } + } + case reflect.Int64: + switch { + case isSlice: // E.g., []int64 + mfi.merge = func(dst, src pointer) { + sfsp := src.toInt64Slice() + if *sfsp != nil { + dfsp := dst.toInt64Slice() + *dfsp = append(*dfsp, *sfsp...) + if *dfsp == nil { + *dfsp = []int64{} + } + } + } + case isPointer: // E.g., *int64 + mfi.merge = func(dst, src pointer) { + sfpp := src.toInt64Ptr() + if *sfpp != nil { + dfpp := dst.toInt64Ptr() + if *dfpp == nil { + *dfpp = Int64(**sfpp) + } else { + **dfpp = **sfpp + } + } + } + default: // E.g., int64 + mfi.merge = func(dst, src pointer) { + if v := *src.toInt64(); v != 0 { + *dst.toInt64() = v + } + } + } + case reflect.Uint32: + switch { + case isSlice: // E.g., []uint32 + mfi.merge = func(dst, src pointer) { + sfsp := src.toUint32Slice() + if *sfsp != nil { + dfsp := dst.toUint32Slice() + *dfsp = append(*dfsp, *sfsp...) + if *dfsp == nil { + *dfsp = []uint32{} + } + } + } + case isPointer: // E.g., *uint32 + mfi.merge = func(dst, src pointer) { + sfpp := src.toUint32Ptr() + if *sfpp != nil { + dfpp := dst.toUint32Ptr() + if *dfpp == nil { + *dfpp = Uint32(**sfpp) + } else { + **dfpp = **sfpp + } + } + } + default: // E.g., uint32 + mfi.merge = func(dst, src pointer) { + if v := *src.toUint32(); v != 0 { + *dst.toUint32() = v + } + } + } + case reflect.Uint64: + switch { + case isSlice: // E.g., []uint64 + mfi.merge = func(dst, src pointer) { + sfsp := src.toUint64Slice() + if *sfsp != nil { + dfsp := dst.toUint64Slice() + *dfsp = append(*dfsp, *sfsp...) + if *dfsp == nil { + *dfsp = []uint64{} + } + } + } + case isPointer: // E.g., *uint64 + mfi.merge = func(dst, src pointer) { + sfpp := src.toUint64Ptr() + if *sfpp != nil { + dfpp := dst.toUint64Ptr() + if *dfpp == nil { + *dfpp = Uint64(**sfpp) + } else { + **dfpp = **sfpp + } + } + } + default: // E.g., uint64 + mfi.merge = func(dst, src pointer) { + if v := *src.toUint64(); v != 0 { + *dst.toUint64() = v + } + } + } + case reflect.Float32: + switch { + case isSlice: // E.g., []float32 + mfi.merge = func(dst, src pointer) { + sfsp := src.toFloat32Slice() + if *sfsp != nil { + dfsp := dst.toFloat32Slice() + *dfsp = append(*dfsp, *sfsp...) + if *dfsp == nil { + *dfsp = []float32{} + } + } + } + case isPointer: // E.g., *float32 + mfi.merge = func(dst, src pointer) { + sfpp := src.toFloat32Ptr() + if *sfpp != nil { + dfpp := dst.toFloat32Ptr() + if *dfpp == nil { + *dfpp = Float32(**sfpp) + } else { + **dfpp = **sfpp + } + } + } + default: // E.g., float32 + mfi.merge = func(dst, src pointer) { + if v := *src.toFloat32(); v != 0 { + *dst.toFloat32() = v + } + } + } + case reflect.Float64: + switch { + case isSlice: // E.g., []float64 + mfi.merge = func(dst, src pointer) { + sfsp := src.toFloat64Slice() + if *sfsp != nil { + dfsp := dst.toFloat64Slice() + *dfsp = append(*dfsp, *sfsp...) + if *dfsp == nil { + *dfsp = []float64{} + } + } + } + case isPointer: // E.g., *float64 + mfi.merge = func(dst, src pointer) { + sfpp := src.toFloat64Ptr() + if *sfpp != nil { + dfpp := dst.toFloat64Ptr() + if *dfpp == nil { + *dfpp = Float64(**sfpp) + } else { + **dfpp = **sfpp + } + } + } + default: // E.g., float64 + mfi.merge = func(dst, src pointer) { + if v := *src.toFloat64(); v != 0 { + *dst.toFloat64() = v + } + } + } + case reflect.Bool: + switch { + case isSlice: // E.g., []bool + mfi.merge = func(dst, src pointer) { + sfsp := src.toBoolSlice() + if *sfsp != nil { + dfsp := dst.toBoolSlice() + *dfsp = append(*dfsp, *sfsp...) + if *dfsp == nil { + *dfsp = []bool{} + } + } + } + case isPointer: // E.g., *bool + mfi.merge = func(dst, src pointer) { + sfpp := src.toBoolPtr() + if *sfpp != nil { + dfpp := dst.toBoolPtr() + if *dfpp == nil { + *dfpp = Bool(**sfpp) + } else { + **dfpp = **sfpp + } + } + } + default: // E.g., bool + mfi.merge = func(dst, src pointer) { + if v := *src.toBool(); v { + *dst.toBool() = v + } + } + } + case reflect.String: + switch { + case isSlice: // E.g., []string + mfi.merge = func(dst, src pointer) { + sfsp := src.toStringSlice() + if *sfsp != nil { + dfsp := dst.toStringSlice() + *dfsp = append(*dfsp, *sfsp...) + if *dfsp == nil { + *dfsp = []string{} + } + } + } + case isPointer: // E.g., *string + mfi.merge = func(dst, src pointer) { + sfpp := src.toStringPtr() + if *sfpp != nil { + dfpp := dst.toStringPtr() + if *dfpp == nil { + *dfpp = String(**sfpp) + } else { + **dfpp = **sfpp + } + } + } + default: // E.g., string + mfi.merge = func(dst, src pointer) { + if v := *src.toString(); v != "" { + *dst.toString() = v + } + } + } + case reflect.Slice: + isProto3 := props.Prop[i].proto3 + switch { + case isPointer: + panic("bad pointer in byte slice case in " + tf.Name()) + case tf.Elem().Kind() != reflect.Uint8: + panic("bad element kind in byte slice case in " + tf.Name()) + case isSlice: // E.g., [][]byte + mfi.merge = func(dst, src pointer) { + sbsp := src.toBytesSlice() + if *sbsp != nil { + dbsp := dst.toBytesSlice() + for _, sb := range *sbsp { + if sb == nil { + *dbsp = append(*dbsp, nil) + } else { + *dbsp = append(*dbsp, append([]byte{}, sb...)) + } + } + if *dbsp == nil { + *dbsp = [][]byte{} + } + } + } + default: // E.g., []byte + mfi.merge = func(dst, src pointer) { + sbp := src.toBytes() + if *sbp != nil { + dbp := dst.toBytes() + if !isProto3 || len(*sbp) > 0 { + *dbp = append([]byte{}, *sbp...) + } + } + } + } + case reflect.Struct: + switch { + case !isPointer: + panic(fmt.Sprintf("message field %s without pointer", tf)) + case isSlice: // E.g., []*pb.T + mi := getMergeInfo(tf) + mfi.merge = func(dst, src pointer) { + sps := src.getPointerSlice() + if sps != nil { + dps := dst.getPointerSlice() + for _, sp := range sps { + var dp pointer + if !sp.isNil() { + dp = valToPointer(reflect.New(tf)) + mi.merge(dp, sp) + } + dps = append(dps, dp) + } + if dps == nil { + dps = []pointer{} + } + dst.setPointerSlice(dps) + } + } + default: // E.g., *pb.T + mi := getMergeInfo(tf) + mfi.merge = func(dst, src pointer) { + sp := src.getPointer() + if !sp.isNil() { + dp := dst.getPointer() + if dp.isNil() { + dp = valToPointer(reflect.New(tf)) + dst.setPointer(dp) + } + mi.merge(dp, sp) + } + } + } + case reflect.Map: + switch { + case isPointer || isSlice: + panic("bad pointer or slice in map case in " + tf.Name()) + default: // E.g., map[K]V + mfi.merge = func(dst, src pointer) { + sm := src.asPointerTo(tf).Elem() + if sm.Len() == 0 { + return + } + dm := dst.asPointerTo(tf).Elem() + if dm.IsNil() { + dm.Set(reflect.MakeMap(tf)) + } + + switch tf.Elem().Kind() { + case reflect.Ptr: // Proto struct (e.g., *T) + for _, key := range sm.MapKeys() { + val := sm.MapIndex(key) + val = reflect.ValueOf(Clone(val.Interface().(Message))) + dm.SetMapIndex(key, val) + } + case reflect.Slice: // E.g. Bytes type (e.g., []byte) + for _, key := range sm.MapKeys() { + val := sm.MapIndex(key) + val = reflect.ValueOf(append([]byte{}, val.Bytes()...)) + dm.SetMapIndex(key, val) + } + default: // Basic type (e.g., string) + for _, key := range sm.MapKeys() { + val := sm.MapIndex(key) + dm.SetMapIndex(key, val) + } + } + } + } + case reflect.Interface: + // Must be oneof field. + switch { + case isPointer || isSlice: + panic("bad pointer or slice in interface case in " + tf.Name()) + default: // E.g., interface{} + // TODO: Make this faster? + mfi.merge = func(dst, src pointer) { + su := src.asPointerTo(tf).Elem() + if !su.IsNil() { + du := dst.asPointerTo(tf).Elem() + typ := su.Elem().Type() + if du.IsNil() || du.Elem().Type() != typ { + du.Set(reflect.New(typ.Elem())) // Initialize interface if empty + } + sv := su.Elem().Elem().Field(0) + if sv.Kind() == reflect.Ptr && sv.IsNil() { + return + } + dv := du.Elem().Elem().Field(0) + if dv.Kind() == reflect.Ptr && dv.IsNil() { + dv.Set(reflect.New(sv.Type().Elem())) // Initialize proto message if empty + } + switch sv.Type().Kind() { + case reflect.Ptr: // Proto struct (e.g., *T) + Merge(dv.Interface().(Message), sv.Interface().(Message)) + case reflect.Slice: // E.g. Bytes type (e.g., []byte) + dv.Set(reflect.ValueOf(append([]byte{}, sv.Bytes()...))) + default: // Basic type (e.g., string) + dv.Set(sv) + } + } + } + } + default: + panic(fmt.Sprintf("merger not found for type:%s", tf)) + } + mi.fields = append(mi.fields, mfi) + } + + mi.unrecognized = invalidField + if f, ok := t.FieldByName("XXX_unrecognized"); ok { + if f.Type != reflect.TypeOf([]byte{}) { + panic("expected XXX_unrecognized to be of type []byte") + } + mi.unrecognized = toField(&f) + } + + atomic.StoreInt32(&mi.initialized, 1) +} diff --git a/vendor/github.com/golang/protobuf/proto/table_unmarshal.go b/vendor/github.com/golang/protobuf/proto/table_unmarshal.go new file mode 100644 index 000000000..90ec6c215 --- /dev/null +++ b/vendor/github.com/golang/protobuf/proto/table_unmarshal.go @@ -0,0 +1,2048 @@ +// Go support for Protocol Buffers - Google's data interchange format +// +// Copyright 2016 The Go Authors. All rights reserved. +// https://github.com/golang/protobuf +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +package proto + +import ( + "errors" + "fmt" + "io" + "math" + "reflect" + "strconv" + "strings" + "sync" + "sync/atomic" + "unicode/utf8" +) + +// Unmarshal is the entry point from the generated .pb.go files. +// This function is not intended to be used by non-generated code. +// This function is not subject to any compatibility guarantee. +// msg contains a pointer to a protocol buffer struct. +// b is the data to be unmarshaled into the protocol buffer. +// a is a pointer to a place to store cached unmarshal information. +func (a *InternalMessageInfo) Unmarshal(msg Message, b []byte) error { + // Load the unmarshal information for this message type. + // The atomic load ensures memory consistency. + u := atomicLoadUnmarshalInfo(&a.unmarshal) + if u == nil { + // Slow path: find unmarshal info for msg, update a with it. + u = getUnmarshalInfo(reflect.TypeOf(msg).Elem()) + atomicStoreUnmarshalInfo(&a.unmarshal, u) + } + // Then do the unmarshaling. + err := u.unmarshal(toPointer(&msg), b) + return err +} + +type unmarshalInfo struct { + typ reflect.Type // type of the protobuf struct + + // 0 = only typ field is initialized + // 1 = completely initialized + initialized int32 + lock sync.Mutex // prevents double initialization + dense []unmarshalFieldInfo // fields indexed by tag # + sparse map[uint64]unmarshalFieldInfo // fields indexed by tag # + reqFields []string // names of required fields + reqMask uint64 // 1<<len(reqFields)-1 + unrecognized field // offset of []byte to put unrecognized data (or invalidField if we should throw it away) + extensions field // offset of extensions field (of type proto.XXX_InternalExtensions), or invalidField if it does not exist + oldExtensions field // offset of old-form extensions field (of type map[int]Extension) + extensionRanges []ExtensionRange // if non-nil, implies extensions field is valid + isMessageSet bool // if true, implies extensions field is valid +} + +// An unmarshaler takes a stream of bytes and a pointer to a field of a message. +// It decodes the field, stores it at f, and returns the unused bytes. +// w is the wire encoding. +// b is the data after the tag and wire encoding have been read. +type unmarshaler func(b []byte, f pointer, w int) ([]byte, error) + +type unmarshalFieldInfo struct { + // location of the field in the proto message structure. + field field + + // function to unmarshal the data for the field. + unmarshal unmarshaler + + // if a required field, contains a single set bit at this field's index in the required field list. + reqMask uint64 + + name string // name of the field, for error reporting +} + +var ( + unmarshalInfoMap = map[reflect.Type]*unmarshalInfo{} + unmarshalInfoLock sync.Mutex +) + +// getUnmarshalInfo returns the data structure which can be +// subsequently used to unmarshal a message of the given type. +// t is the type of the message (note: not pointer to message). +func getUnmarshalInfo(t reflect.Type) *unmarshalInfo { + // It would be correct to return a new unmarshalInfo + // unconditionally. We would end up allocating one + // per occurrence of that type as a message or submessage. + // We use a cache here just to reduce memory usage. + unmarshalInfoLock.Lock() + defer unmarshalInfoLock.Unlock() + u := unmarshalInfoMap[t] + if u == nil { + u = &unmarshalInfo{typ: t} + // Note: we just set the type here. The rest of the fields + // will be initialized on first use. + unmarshalInfoMap[t] = u + } + return u +} + +// unmarshal does the main work of unmarshaling a message. +// u provides type information used to unmarshal the message. +// m is a pointer to a protocol buffer message. +// b is a byte stream to unmarshal into m. +// This is top routine used when recursively unmarshaling submessages. +func (u *unmarshalInfo) unmarshal(m pointer, b []byte) error { + if atomic.LoadInt32(&u.initialized) == 0 { + u.computeUnmarshalInfo() + } + if u.isMessageSet { + return UnmarshalMessageSet(b, m.offset(u.extensions).toExtensions()) + } + var reqMask uint64 // bitmask of required fields we've seen. + var rnse *RequiredNotSetError // an instance of a RequiredNotSetError returned by a submessage. + for len(b) > 0 { + // Read tag and wire type. + // Special case 1 and 2 byte varints. + var x uint64 + if b[0] < 128 { + x = uint64(b[0]) + b = b[1:] + } else if len(b) >= 2 && b[1] < 128 { + x = uint64(b[0]&0x7f) + uint64(b[1])<<7 + b = b[2:] + } else { + var n int + x, n = decodeVarint(b) + if n == 0 { + return io.ErrUnexpectedEOF + } + b = b[n:] + } + tag := x >> 3 + wire := int(x) & 7 + + // Dispatch on the tag to one of the unmarshal* functions below. + var f unmarshalFieldInfo + if tag < uint64(len(u.dense)) { + f = u.dense[tag] + } else { + f = u.sparse[tag] + } + if fn := f.unmarshal; fn != nil { + var err error + b, err = fn(b, m.offset(f.field), wire) + if err == nil { + reqMask |= f.reqMask + continue + } + if r, ok := err.(*RequiredNotSetError); ok { + // Remember this error, but keep parsing. We need to produce + // a full parse even if a required field is missing. + rnse = r + reqMask |= f.reqMask + continue + } + if err != errInternalBadWireType { + if err == errInvalidUTF8 { + fullName := revProtoTypes[reflect.PtrTo(u.typ)] + "." + f.name + err = fmt.Errorf("proto: string field %q contains invalid UTF-8", fullName) + } + return err + } + // Fragments with bad wire type are treated as unknown fields. + } + + // Unknown tag. + if !u.unrecognized.IsValid() { + // Don't keep unrecognized data; just skip it. + var err error + b, err = skipField(b, wire) + if err != nil { + return err + } + continue + } + // Keep unrecognized data around. + // maybe in extensions, maybe in the unrecognized field. + z := m.offset(u.unrecognized).toBytes() + var emap map[int32]Extension + var e Extension + for _, r := range u.extensionRanges { + if uint64(r.Start) <= tag && tag <= uint64(r.End) { + if u.extensions.IsValid() { + mp := m.offset(u.extensions).toExtensions() + emap = mp.extensionsWrite() + e = emap[int32(tag)] + z = &e.enc + break + } + if u.oldExtensions.IsValid() { + p := m.offset(u.oldExtensions).toOldExtensions() + emap = *p + if emap == nil { + emap = map[int32]Extension{} + *p = emap + } + e = emap[int32(tag)] + z = &e.enc + break + } + panic("no extensions field available") + } + } + + // Use wire type to skip data. + var err error + b0 := b + b, err = skipField(b, wire) + if err != nil { + return err + } + *z = encodeVarint(*z, tag<<3|uint64(wire)) + *z = append(*z, b0[:len(b0)-len(b)]...) + + if emap != nil { + emap[int32(tag)] = e + } + } + if rnse != nil { + // A required field of a submessage/group is missing. Return that error. + return rnse + } + if reqMask != u.reqMask { + // A required field of this message is missing. + for _, n := range u.reqFields { + if reqMask&1 == 0 { + return &RequiredNotSetError{n} + } + reqMask >>= 1 + } + } + return nil +} + +// computeUnmarshalInfo fills in u with information for use +// in unmarshaling protocol buffers of type u.typ. +func (u *unmarshalInfo) computeUnmarshalInfo() { + u.lock.Lock() + defer u.lock.Unlock() + if u.initialized != 0 { + return + } + t := u.typ + n := t.NumField() + + // Set up the "not found" value for the unrecognized byte buffer. + // This is the default for proto3. + u.unrecognized = invalidField + u.extensions = invalidField + u.oldExtensions = invalidField + + // List of the generated type and offset for each oneof field. + type oneofField struct { + ityp reflect.Type // interface type of oneof field + field field // offset in containing message + } + var oneofFields []oneofField + + for i := 0; i < n; i++ { + f := t.Field(i) + if f.Name == "XXX_unrecognized" { + // The byte slice used to hold unrecognized input is special. + if f.Type != reflect.TypeOf(([]byte)(nil)) { + panic("bad type for XXX_unrecognized field: " + f.Type.Name()) + } + u.unrecognized = toField(&f) + continue + } + if f.Name == "XXX_InternalExtensions" { + // Ditto here. + if f.Type != reflect.TypeOf(XXX_InternalExtensions{}) { + panic("bad type for XXX_InternalExtensions field: " + f.Type.Name()) + } + u.extensions = toField(&f) + if f.Tag.Get("protobuf_messageset") == "1" { + u.isMessageSet = true + } + continue + } + if f.Name == "XXX_extensions" { + // An older form of the extensions field. + if f.Type != reflect.TypeOf((map[int32]Extension)(nil)) { + panic("bad type for XXX_extensions field: " + f.Type.Name()) + } + u.oldExtensions = toField(&f) + continue + } + if f.Name == "XXX_NoUnkeyedLiteral" || f.Name == "XXX_sizecache" { + continue + } + + oneof := f.Tag.Get("protobuf_oneof") + if oneof != "" { + oneofFields = append(oneofFields, oneofField{f.Type, toField(&f)}) + // The rest of oneof processing happens below. + continue + } + + tags := f.Tag.Get("protobuf") + tagArray := strings.Split(tags, ",") + if len(tagArray) < 2 { + panic("protobuf tag not enough fields in " + t.Name() + "." + f.Name + ": " + tags) + } + tag, err := strconv.Atoi(tagArray[1]) + if err != nil { + panic("protobuf tag field not an integer: " + tagArray[1]) + } + + name := "" + for _, tag := range tagArray[3:] { + if strings.HasPrefix(tag, "name=") { + name = tag[5:] + } + } + + // Extract unmarshaling function from the field (its type and tags). + unmarshal := fieldUnmarshaler(&f) + + // Required field? + var reqMask uint64 + if tagArray[2] == "req" { + bit := len(u.reqFields) + u.reqFields = append(u.reqFields, name) + reqMask = uint64(1) << uint(bit) + // TODO: if we have more than 64 required fields, we end up + // not verifying that all required fields are present. + // Fix this, perhaps using a count of required fields? + } + + // Store the info in the correct slot in the message. + u.setTag(tag, toField(&f), unmarshal, reqMask, name) + } + + // Find any types associated with oneof fields. + // TODO: XXX_OneofFuncs returns more info than we need. Get rid of some of it? + fn := reflect.Zero(reflect.PtrTo(t)).MethodByName("XXX_OneofFuncs") + if fn.IsValid() { + res := fn.Call(nil)[3] // last return value from XXX_OneofFuncs: []interface{} + for i := res.Len() - 1; i >= 0; i-- { + v := res.Index(i) // interface{} + tptr := reflect.ValueOf(v.Interface()).Type() // *Msg_X + typ := tptr.Elem() // Msg_X + + f := typ.Field(0) // oneof implementers have one field + baseUnmarshal := fieldUnmarshaler(&f) + tags := strings.Split(f.Tag.Get("protobuf"), ",") + fieldNum, err := strconv.Atoi(tags[1]) + if err != nil { + panic("protobuf tag field not an integer: " + tags[1]) + } + var name string + for _, tag := range tags { + if strings.HasPrefix(tag, "name=") { + name = strings.TrimPrefix(tag, "name=") + break + } + } + + // Find the oneof field that this struct implements. + // Might take O(n^2) to process all of the oneofs, but who cares. + for _, of := range oneofFields { + if tptr.Implements(of.ityp) { + // We have found the corresponding interface for this struct. + // That lets us know where this struct should be stored + // when we encounter it during unmarshaling. + unmarshal := makeUnmarshalOneof(typ, of.ityp, baseUnmarshal) + u.setTag(fieldNum, of.field, unmarshal, 0, name) + } + } + } + } + + // Get extension ranges, if any. + fn = reflect.Zero(reflect.PtrTo(t)).MethodByName("ExtensionRangeArray") + if fn.IsValid() { + if !u.extensions.IsValid() && !u.oldExtensions.IsValid() { + panic("a message with extensions, but no extensions field in " + t.Name()) + } + u.extensionRanges = fn.Call(nil)[0].Interface().([]ExtensionRange) + } + + // Explicitly disallow tag 0. This will ensure we flag an error + // when decoding a buffer of all zeros. Without this code, we + // would decode and skip an all-zero buffer of even length. + // [0 0] is [tag=0/wiretype=varint varint-encoded-0]. + u.setTag(0, zeroField, func(b []byte, f pointer, w int) ([]byte, error) { + return nil, fmt.Errorf("proto: %s: illegal tag 0 (wire type %d)", t, w) + }, 0, "") + + // Set mask for required field check. + u.reqMask = uint64(1)<<uint(len(u.reqFields)) - 1 + + atomic.StoreInt32(&u.initialized, 1) +} + +// setTag stores the unmarshal information for the given tag. +// tag = tag # for field +// field/unmarshal = unmarshal info for that field. +// reqMask = if required, bitmask for field position in required field list. 0 otherwise. +// name = short name of the field. +func (u *unmarshalInfo) setTag(tag int, field field, unmarshal unmarshaler, reqMask uint64, name string) { + i := unmarshalFieldInfo{field: field, unmarshal: unmarshal, reqMask: reqMask, name: name} + n := u.typ.NumField() + if tag >= 0 && (tag < 16 || tag < 2*n) { // TODO: what are the right numbers here? + for len(u.dense) <= tag { + u.dense = append(u.dense, unmarshalFieldInfo{}) + } + u.dense[tag] = i + return + } + if u.sparse == nil { + u.sparse = map[uint64]unmarshalFieldInfo{} + } + u.sparse[uint64(tag)] = i +} + +// fieldUnmarshaler returns an unmarshaler for the given field. +func fieldUnmarshaler(f *reflect.StructField) unmarshaler { + if f.Type.Kind() == reflect.Map { + return makeUnmarshalMap(f) + } + return typeUnmarshaler(f.Type, f.Tag.Get("protobuf")) +} + +// typeUnmarshaler returns an unmarshaler for the given field type / field tag pair. +func typeUnmarshaler(t reflect.Type, tags string) unmarshaler { + tagArray := strings.Split(tags, ",") + encoding := tagArray[0] + name := "unknown" + proto3 := false + validateUTF8 := true + for _, tag := range tagArray[3:] { + if strings.HasPrefix(tag, "name=") { + name = tag[5:] + } + if tag == "proto3" { + proto3 = true + } + } + validateUTF8 = validateUTF8 && proto3 + + // Figure out packaging (pointer, slice, or both) + slice := false + pointer := false + if t.Kind() == reflect.Slice && t.Elem().Kind() != reflect.Uint8 { + slice = true + t = t.Elem() + } + if t.Kind() == reflect.Ptr { + pointer = true + t = t.Elem() + } + + // We'll never have both pointer and slice for basic types. + if pointer && slice && t.Kind() != reflect.Struct { + panic("both pointer and slice for basic type in " + t.Name()) + } + + switch t.Kind() { + case reflect.Bool: + if pointer { + return unmarshalBoolPtr + } + if slice { + return unmarshalBoolSlice + } + return unmarshalBoolValue + case reflect.Int32: + switch encoding { + case "fixed32": + if pointer { + return unmarshalFixedS32Ptr + } + if slice { + return unmarshalFixedS32Slice + } + return unmarshalFixedS32Value + case "varint": + // this could be int32 or enum + if pointer { + return unmarshalInt32Ptr + } + if slice { + return unmarshalInt32Slice + } + return unmarshalInt32Value + case "zigzag32": + if pointer { + return unmarshalSint32Ptr + } + if slice { + return unmarshalSint32Slice + } + return unmarshalSint32Value + } + case reflect.Int64: + switch encoding { + case "fixed64": + if pointer { + return unmarshalFixedS64Ptr + } + if slice { + return unmarshalFixedS64Slice + } + return unmarshalFixedS64Value + case "varint": + if pointer { + return unmarshalInt64Ptr + } + if slice { + return unmarshalInt64Slice + } + return unmarshalInt64Value + case "zigzag64": + if pointer { + return unmarshalSint64Ptr + } + if slice { + return unmarshalSint64Slice + } + return unmarshalSint64Value + } + case reflect.Uint32: + switch encoding { + case "fixed32": + if pointer { + return unmarshalFixed32Ptr + } + if slice { + return unmarshalFixed32Slice + } + return unmarshalFixed32Value + case "varint": + if pointer { + return unmarshalUint32Ptr + } + if slice { + return unmarshalUint32Slice + } + return unmarshalUint32Value + } + case reflect.Uint64: + switch encoding { + case "fixed64": + if pointer { + return unmarshalFixed64Ptr + } + if slice { + return unmarshalFixed64Slice + } + return unmarshalFixed64Value + case "varint": + if pointer { + return unmarshalUint64Ptr + } + if slice { + return unmarshalUint64Slice + } + return unmarshalUint64Value + } + case reflect.Float32: + if pointer { + return unmarshalFloat32Ptr + } + if slice { + return unmarshalFloat32Slice + } + return unmarshalFloat32Value + case reflect.Float64: + if pointer { + return unmarshalFloat64Ptr + } + if slice { + return unmarshalFloat64Slice + } + return unmarshalFloat64Value + case reflect.Map: + panic("map type in typeUnmarshaler in " + t.Name()) + case reflect.Slice: + if pointer { + panic("bad pointer in slice case in " + t.Name()) + } + if slice { + return unmarshalBytesSlice + } + return unmarshalBytesValue + case reflect.String: + if validateUTF8 { + if pointer { + return unmarshalUTF8StringPtr + } + if slice { + return unmarshalUTF8StringSlice + } + return unmarshalUTF8StringValue + } + if pointer { + return unmarshalStringPtr + } + if slice { + return unmarshalStringSlice + } + return unmarshalStringValue + case reflect.Struct: + // message or group field + if !pointer { + panic(fmt.Sprintf("message/group field %s:%s without pointer", t, encoding)) + } + switch encoding { + case "bytes": + if slice { + return makeUnmarshalMessageSlicePtr(getUnmarshalInfo(t), name) + } + return makeUnmarshalMessagePtr(getUnmarshalInfo(t), name) + case "group": + if slice { + return makeUnmarshalGroupSlicePtr(getUnmarshalInfo(t), name) + } + return makeUnmarshalGroupPtr(getUnmarshalInfo(t), name) + } + } + panic(fmt.Sprintf("unmarshaler not found type:%s encoding:%s", t, encoding)) +} + +// Below are all the unmarshalers for individual fields of various types. + +func unmarshalInt64Value(b []byte, f pointer, w int) ([]byte, error) { + if w != WireVarint { + return b, errInternalBadWireType + } + x, n := decodeVarint(b) + if n == 0 { + return nil, io.ErrUnexpectedEOF + } + b = b[n:] + v := int64(x) + *f.toInt64() = v + return b, nil +} + +func unmarshalInt64Ptr(b []byte, f pointer, w int) ([]byte, error) { + if w != WireVarint { + return b, errInternalBadWireType + } + x, n := decodeVarint(b) + if n == 0 { + return nil, io.ErrUnexpectedEOF + } + b = b[n:] + v := int64(x) + *f.toInt64Ptr() = &v + return b, nil +} + +func unmarshalInt64Slice(b []byte, f pointer, w int) ([]byte, error) { + if w == WireBytes { // packed + x, n := decodeVarint(b) + if n == 0 { + return nil, io.ErrUnexpectedEOF + } + b = b[n:] + if x > uint64(len(b)) { + return nil, io.ErrUnexpectedEOF + } + res := b[x:] + b = b[:x] + for len(b) > 0 { + x, n = decodeVarint(b) + if n == 0 { + return nil, io.ErrUnexpectedEOF + } + b = b[n:] + v := int64(x) + s := f.toInt64Slice() + *s = append(*s, v) + } + return res, nil + } + if w != WireVarint { + return b, errInternalBadWireType + } + x, n := decodeVarint(b) + if n == 0 { + return nil, io.ErrUnexpectedEOF + } + b = b[n:] + v := int64(x) + s := f.toInt64Slice() + *s = append(*s, v) + return b, nil +} + +func unmarshalSint64Value(b []byte, f pointer, w int) ([]byte, error) { + if w != WireVarint { + return b, errInternalBadWireType + } + x, n := decodeVarint(b) + if n == 0 { + return nil, io.ErrUnexpectedEOF + } + b = b[n:] + v := int64(x>>1) ^ int64(x)<<63>>63 + *f.toInt64() = v + return b, nil +} + +func unmarshalSint64Ptr(b []byte, f pointer, w int) ([]byte, error) { + if w != WireVarint { + return b, errInternalBadWireType + } + x, n := decodeVarint(b) + if n == 0 { + return nil, io.ErrUnexpectedEOF + } + b = b[n:] + v := int64(x>>1) ^ int64(x)<<63>>63 + *f.toInt64Ptr() = &v + return b, nil +} + +func unmarshalSint64Slice(b []byte, f pointer, w int) ([]byte, error) { + if w == WireBytes { // packed + x, n := decodeVarint(b) + if n == 0 { + return nil, io.ErrUnexpectedEOF + } + b = b[n:] + if x > uint64(len(b)) { + return nil, io.ErrUnexpectedEOF + } + res := b[x:] + b = b[:x] + for len(b) > 0 { + x, n = decodeVarint(b) + if n == 0 { + return nil, io.ErrUnexpectedEOF + } + b = b[n:] + v := int64(x>>1) ^ int64(x)<<63>>63 + s := f.toInt64Slice() + *s = append(*s, v) + } + return res, nil + } + if w != WireVarint { + return b, errInternalBadWireType + } + x, n := decodeVarint(b) + if n == 0 { + return nil, io.ErrUnexpectedEOF + } + b = b[n:] + v := int64(x>>1) ^ int64(x)<<63>>63 + s := f.toInt64Slice() + *s = append(*s, v) + return b, nil +} + +func unmarshalUint64Value(b []byte, f pointer, w int) ([]byte, error) { + if w != WireVarint { + return b, errInternalBadWireType + } + x, n := decodeVarint(b) + if n == 0 { + return nil, io.ErrUnexpectedEOF + } + b = b[n:] + v := uint64(x) + *f.toUint64() = v + return b, nil +} + +func unmarshalUint64Ptr(b []byte, f pointer, w int) ([]byte, error) { + if w != WireVarint { + return b, errInternalBadWireType + } + x, n := decodeVarint(b) + if n == 0 { + return nil, io.ErrUnexpectedEOF + } + b = b[n:] + v := uint64(x) + *f.toUint64Ptr() = &v + return b, nil +} + +func unmarshalUint64Slice(b []byte, f pointer, w int) ([]byte, error) { + if w == WireBytes { // packed + x, n := decodeVarint(b) + if n == 0 { + return nil, io.ErrUnexpectedEOF + } + b = b[n:] + if x > uint64(len(b)) { + return nil, io.ErrUnexpectedEOF + } + res := b[x:] + b = b[:x] + for len(b) > 0 { + x, n = decodeVarint(b) + if n == 0 { + return nil, io.ErrUnexpectedEOF + } + b = b[n:] + v := uint64(x) + s := f.toUint64Slice() + *s = append(*s, v) + } + return res, nil + } + if w != WireVarint { + return b, errInternalBadWireType + } + x, n := decodeVarint(b) + if n == 0 { + return nil, io.ErrUnexpectedEOF + } + b = b[n:] + v := uint64(x) + s := f.toUint64Slice() + *s = append(*s, v) + return b, nil +} + +func unmarshalInt32Value(b []byte, f pointer, w int) ([]byte, error) { + if w != WireVarint { + return b, errInternalBadWireType + } + x, n := decodeVarint(b) + if n == 0 { + return nil, io.ErrUnexpectedEOF + } + b = b[n:] + v := int32(x) + *f.toInt32() = v + return b, nil +} + +func unmarshalInt32Ptr(b []byte, f pointer, w int) ([]byte, error) { + if w != WireVarint { + return b, errInternalBadWireType + } + x, n := decodeVarint(b) + if n == 0 { + return nil, io.ErrUnexpectedEOF + } + b = b[n:] + v := int32(x) + f.setInt32Ptr(v) + return b, nil +} + +func unmarshalInt32Slice(b []byte, f pointer, w int) ([]byte, error) { + if w == WireBytes { // packed + x, n := decodeVarint(b) + if n == 0 { + return nil, io.ErrUnexpectedEOF + } + b = b[n:] + if x > uint64(len(b)) { + return nil, io.ErrUnexpectedEOF + } + res := b[x:] + b = b[:x] + for len(b) > 0 { + x, n = decodeVarint(b) + if n == 0 { + return nil, io.ErrUnexpectedEOF + } + b = b[n:] + v := int32(x) + f.appendInt32Slice(v) + } + return res, nil + } + if w != WireVarint { + return b, errInternalBadWireType + } + x, n := decodeVarint(b) + if n == 0 { + return nil, io.ErrUnexpectedEOF + } + b = b[n:] + v := int32(x) + f.appendInt32Slice(v) + return b, nil +} + +func unmarshalSint32Value(b []byte, f pointer, w int) ([]byte, error) { + if w != WireVarint { + return b, errInternalBadWireType + } + x, n := decodeVarint(b) + if n == 0 { + return nil, io.ErrUnexpectedEOF + } + b = b[n:] + v := int32(x>>1) ^ int32(x)<<31>>31 + *f.toInt32() = v + return b, nil +} + +func unmarshalSint32Ptr(b []byte, f pointer, w int) ([]byte, error) { + if w != WireVarint { + return b, errInternalBadWireType + } + x, n := decodeVarint(b) + if n == 0 { + return nil, io.ErrUnexpectedEOF + } + b = b[n:] + v := int32(x>>1) ^ int32(x)<<31>>31 + f.setInt32Ptr(v) + return b, nil +} + +func unmarshalSint32Slice(b []byte, f pointer, w int) ([]byte, error) { + if w == WireBytes { // packed + x, n := decodeVarint(b) + if n == 0 { + return nil, io.ErrUnexpectedEOF + } + b = b[n:] + if x > uint64(len(b)) { + return nil, io.ErrUnexpectedEOF + } + res := b[x:] + b = b[:x] + for len(b) > 0 { + x, n = decodeVarint(b) + if n == 0 { + return nil, io.ErrUnexpectedEOF + } + b = b[n:] + v := int32(x>>1) ^ int32(x)<<31>>31 + f.appendInt32Slice(v) + } + return res, nil + } + if w != WireVarint { + return b, errInternalBadWireType + } + x, n := decodeVarint(b) + if n == 0 { + return nil, io.ErrUnexpectedEOF + } + b = b[n:] + v := int32(x>>1) ^ int32(x)<<31>>31 + f.appendInt32Slice(v) + return b, nil +} + +func unmarshalUint32Value(b []byte, f pointer, w int) ([]byte, error) { + if w != WireVarint { + return b, errInternalBadWireType + } + x, n := decodeVarint(b) + if n == 0 { + return nil, io.ErrUnexpectedEOF + } + b = b[n:] + v := uint32(x) + *f.toUint32() = v + return b, nil +} + +func unmarshalUint32Ptr(b []byte, f pointer, w int) ([]byte, error) { + if w != WireVarint { + return b, errInternalBadWireType + } + x, n := decodeVarint(b) + if n == 0 { + return nil, io.ErrUnexpectedEOF + } + b = b[n:] + v := uint32(x) + *f.toUint32Ptr() = &v + return b, nil +} + +func unmarshalUint32Slice(b []byte, f pointer, w int) ([]byte, error) { + if w == WireBytes { // packed + x, n := decodeVarint(b) + if n == 0 { + return nil, io.ErrUnexpectedEOF + } + b = b[n:] + if x > uint64(len(b)) { + return nil, io.ErrUnexpectedEOF + } + res := b[x:] + b = b[:x] + for len(b) > 0 { + x, n = decodeVarint(b) + if n == 0 { + return nil, io.ErrUnexpectedEOF + } + b = b[n:] + v := uint32(x) + s := f.toUint32Slice() + *s = append(*s, v) + } + return res, nil + } + if w != WireVarint { + return b, errInternalBadWireType + } + x, n := decodeVarint(b) + if n == 0 { + return nil, io.ErrUnexpectedEOF + } + b = b[n:] + v := uint32(x) + s := f.toUint32Slice() + *s = append(*s, v) + return b, nil +} + +func unmarshalFixed64Value(b []byte, f pointer, w int) ([]byte, error) { + if w != WireFixed64 { + return b, errInternalBadWireType + } + if len(b) < 8 { + return nil, io.ErrUnexpectedEOF + } + v := uint64(b[0]) | uint64(b[1])<<8 | uint64(b[2])<<16 | uint64(b[3])<<24 | uint64(b[4])<<32 | uint64(b[5])<<40 | uint64(b[6])<<48 | uint64(b[7])<<56 + *f.toUint64() = v + return b[8:], nil +} + +func unmarshalFixed64Ptr(b []byte, f pointer, w int) ([]byte, error) { + if w != WireFixed64 { + return b, errInternalBadWireType + } + if len(b) < 8 { + return nil, io.ErrUnexpectedEOF + } + v := uint64(b[0]) | uint64(b[1])<<8 | uint64(b[2])<<16 | uint64(b[3])<<24 | uint64(b[4])<<32 | uint64(b[5])<<40 | uint64(b[6])<<48 | uint64(b[7])<<56 + *f.toUint64Ptr() = &v + return b[8:], nil +} + +func unmarshalFixed64Slice(b []byte, f pointer, w int) ([]byte, error) { + if w == WireBytes { // packed + x, n := decodeVarint(b) + if n == 0 { + return nil, io.ErrUnexpectedEOF + } + b = b[n:] + if x > uint64(len(b)) { + return nil, io.ErrUnexpectedEOF + } + res := b[x:] + b = b[:x] + for len(b) > 0 { + if len(b) < 8 { + return nil, io.ErrUnexpectedEOF + } + v := uint64(b[0]) | uint64(b[1])<<8 | uint64(b[2])<<16 | uint64(b[3])<<24 | uint64(b[4])<<32 | uint64(b[5])<<40 | uint64(b[6])<<48 | uint64(b[7])<<56 + s := f.toUint64Slice() + *s = append(*s, v) + b = b[8:] + } + return res, nil + } + if w != WireFixed64 { + return b, errInternalBadWireType + } + if len(b) < 8 { + return nil, io.ErrUnexpectedEOF + } + v := uint64(b[0]) | uint64(b[1])<<8 | uint64(b[2])<<16 | uint64(b[3])<<24 | uint64(b[4])<<32 | uint64(b[5])<<40 | uint64(b[6])<<48 | uint64(b[7])<<56 + s := f.toUint64Slice() + *s = append(*s, v) + return b[8:], nil +} + +func unmarshalFixedS64Value(b []byte, f pointer, w int) ([]byte, error) { + if w != WireFixed64 { + return b, errInternalBadWireType + } + if len(b) < 8 { + return nil, io.ErrUnexpectedEOF + } + v := int64(b[0]) | int64(b[1])<<8 | int64(b[2])<<16 | int64(b[3])<<24 | int64(b[4])<<32 | int64(b[5])<<40 | int64(b[6])<<48 | int64(b[7])<<56 + *f.toInt64() = v + return b[8:], nil +} + +func unmarshalFixedS64Ptr(b []byte, f pointer, w int) ([]byte, error) { + if w != WireFixed64 { + return b, errInternalBadWireType + } + if len(b) < 8 { + return nil, io.ErrUnexpectedEOF + } + v := int64(b[0]) | int64(b[1])<<8 | int64(b[2])<<16 | int64(b[3])<<24 | int64(b[4])<<32 | int64(b[5])<<40 | int64(b[6])<<48 | int64(b[7])<<56 + *f.toInt64Ptr() = &v + return b[8:], nil +} + +func unmarshalFixedS64Slice(b []byte, f pointer, w int) ([]byte, error) { + if w == WireBytes { // packed + x, n := decodeVarint(b) + if n == 0 { + return nil, io.ErrUnexpectedEOF + } + b = b[n:] + if x > uint64(len(b)) { + return nil, io.ErrUnexpectedEOF + } + res := b[x:] + b = b[:x] + for len(b) > 0 { + if len(b) < 8 { + return nil, io.ErrUnexpectedEOF + } + v := int64(b[0]) | int64(b[1])<<8 | int64(b[2])<<16 | int64(b[3])<<24 | int64(b[4])<<32 | int64(b[5])<<40 | int64(b[6])<<48 | int64(b[7])<<56 + s := f.toInt64Slice() + *s = append(*s, v) + b = b[8:] + } + return res, nil + } + if w != WireFixed64 { + return b, errInternalBadWireType + } + if len(b) < 8 { + return nil, io.ErrUnexpectedEOF + } + v := int64(b[0]) | int64(b[1])<<8 | int64(b[2])<<16 | int64(b[3])<<24 | int64(b[4])<<32 | int64(b[5])<<40 | int64(b[6])<<48 | int64(b[7])<<56 + s := f.toInt64Slice() + *s = append(*s, v) + return b[8:], nil +} + +func unmarshalFixed32Value(b []byte, f pointer, w int) ([]byte, error) { + if w != WireFixed32 { + return b, errInternalBadWireType + } + if len(b) < 4 { + return nil, io.ErrUnexpectedEOF + } + v := uint32(b[0]) | uint32(b[1])<<8 | uint32(b[2])<<16 | uint32(b[3])<<24 + *f.toUint32() = v + return b[4:], nil +} + +func unmarshalFixed32Ptr(b []byte, f pointer, w int) ([]byte, error) { + if w != WireFixed32 { + return b, errInternalBadWireType + } + if len(b) < 4 { + return nil, io.ErrUnexpectedEOF + } + v := uint32(b[0]) | uint32(b[1])<<8 | uint32(b[2])<<16 | uint32(b[3])<<24 + *f.toUint32Ptr() = &v + return b[4:], nil +} + +func unmarshalFixed32Slice(b []byte, f pointer, w int) ([]byte, error) { + if w == WireBytes { // packed + x, n := decodeVarint(b) + if n == 0 { + return nil, io.ErrUnexpectedEOF + } + b = b[n:] + if x > uint64(len(b)) { + return nil, io.ErrUnexpectedEOF + } + res := b[x:] + b = b[:x] + for len(b) > 0 { + if len(b) < 4 { + return nil, io.ErrUnexpectedEOF + } + v := uint32(b[0]) | uint32(b[1])<<8 | uint32(b[2])<<16 | uint32(b[3])<<24 + s := f.toUint32Slice() + *s = append(*s, v) + b = b[4:] + } + return res, nil + } + if w != WireFixed32 { + return b, errInternalBadWireType + } + if len(b) < 4 { + return nil, io.ErrUnexpectedEOF + } + v := uint32(b[0]) | uint32(b[1])<<8 | uint32(b[2])<<16 | uint32(b[3])<<24 + s := f.toUint32Slice() + *s = append(*s, v) + return b[4:], nil +} + +func unmarshalFixedS32Value(b []byte, f pointer, w int) ([]byte, error) { + if w != WireFixed32 { + return b, errInternalBadWireType + } + if len(b) < 4 { + return nil, io.ErrUnexpectedEOF + } + v := int32(b[0]) | int32(b[1])<<8 | int32(b[2])<<16 | int32(b[3])<<24 + *f.toInt32() = v + return b[4:], nil +} + +func unmarshalFixedS32Ptr(b []byte, f pointer, w int) ([]byte, error) { + if w != WireFixed32 { + return b, errInternalBadWireType + } + if len(b) < 4 { + return nil, io.ErrUnexpectedEOF + } + v := int32(b[0]) | int32(b[1])<<8 | int32(b[2])<<16 | int32(b[3])<<24 + f.setInt32Ptr(v) + return b[4:], nil +} + +func unmarshalFixedS32Slice(b []byte, f pointer, w int) ([]byte, error) { + if w == WireBytes { // packed + x, n := decodeVarint(b) + if n == 0 { + return nil, io.ErrUnexpectedEOF + } + b = b[n:] + if x > uint64(len(b)) { + return nil, io.ErrUnexpectedEOF + } + res := b[x:] + b = b[:x] + for len(b) > 0 { + if len(b) < 4 { + return nil, io.ErrUnexpectedEOF + } + v := int32(b[0]) | int32(b[1])<<8 | int32(b[2])<<16 | int32(b[3])<<24 + f.appendInt32Slice(v) + b = b[4:] + } + return res, nil + } + if w != WireFixed32 { + return b, errInternalBadWireType + } + if len(b) < 4 { + return nil, io.ErrUnexpectedEOF + } + v := int32(b[0]) | int32(b[1])<<8 | int32(b[2])<<16 | int32(b[3])<<24 + f.appendInt32Slice(v) + return b[4:], nil +} + +func unmarshalBoolValue(b []byte, f pointer, w int) ([]byte, error) { + if w != WireVarint { + return b, errInternalBadWireType + } + // Note: any length varint is allowed, even though any sane + // encoder will use one byte. + // See https://github.com/golang/protobuf/issues/76 + x, n := decodeVarint(b) + if n == 0 { + return nil, io.ErrUnexpectedEOF + } + // TODO: check if x>1? Tests seem to indicate no. + v := x != 0 + *f.toBool() = v + return b[n:], nil +} + +func unmarshalBoolPtr(b []byte, f pointer, w int) ([]byte, error) { + if w != WireVarint { + return b, errInternalBadWireType + } + x, n := decodeVarint(b) + if n == 0 { + return nil, io.ErrUnexpectedEOF + } + v := x != 0 + *f.toBoolPtr() = &v + return b[n:], nil +} + +func unmarshalBoolSlice(b []byte, f pointer, w int) ([]byte, error) { + if w == WireBytes { // packed + x, n := decodeVarint(b) + if n == 0 { + return nil, io.ErrUnexpectedEOF + } + b = b[n:] + if x > uint64(len(b)) { + return nil, io.ErrUnexpectedEOF + } + res := b[x:] + b = b[:x] + for len(b) > 0 { + x, n = decodeVarint(b) + if n == 0 { + return nil, io.ErrUnexpectedEOF + } + v := x != 0 + s := f.toBoolSlice() + *s = append(*s, v) + b = b[n:] + } + return res, nil + } + if w != WireVarint { + return b, errInternalBadWireType + } + x, n := decodeVarint(b) + if n == 0 { + return nil, io.ErrUnexpectedEOF + } + v := x != 0 + s := f.toBoolSlice() + *s = append(*s, v) + return b[n:], nil +} + +func unmarshalFloat64Value(b []byte, f pointer, w int) ([]byte, error) { + if w != WireFixed64 { + return b, errInternalBadWireType + } + if len(b) < 8 { + return nil, io.ErrUnexpectedEOF + } + v := math.Float64frombits(uint64(b[0]) | uint64(b[1])<<8 | uint64(b[2])<<16 | uint64(b[3])<<24 | uint64(b[4])<<32 | uint64(b[5])<<40 | uint64(b[6])<<48 | uint64(b[7])<<56) + *f.toFloat64() = v + return b[8:], nil +} + +func unmarshalFloat64Ptr(b []byte, f pointer, w int) ([]byte, error) { + if w != WireFixed64 { + return b, errInternalBadWireType + } + if len(b) < 8 { + return nil, io.ErrUnexpectedEOF + } + v := math.Float64frombits(uint64(b[0]) | uint64(b[1])<<8 | uint64(b[2])<<16 | uint64(b[3])<<24 | uint64(b[4])<<32 | uint64(b[5])<<40 | uint64(b[6])<<48 | uint64(b[7])<<56) + *f.toFloat64Ptr() = &v + return b[8:], nil +} + +func unmarshalFloat64Slice(b []byte, f pointer, w int) ([]byte, error) { + if w == WireBytes { // packed + x, n := decodeVarint(b) + if n == 0 { + return nil, io.ErrUnexpectedEOF + } + b = b[n:] + if x > uint64(len(b)) { + return nil, io.ErrUnexpectedEOF + } + res := b[x:] + b = b[:x] + for len(b) > 0 { + if len(b) < 8 { + return nil, io.ErrUnexpectedEOF + } + v := math.Float64frombits(uint64(b[0]) | uint64(b[1])<<8 | uint64(b[2])<<16 | uint64(b[3])<<24 | uint64(b[4])<<32 | uint64(b[5])<<40 | uint64(b[6])<<48 | uint64(b[7])<<56) + s := f.toFloat64Slice() + *s = append(*s, v) + b = b[8:] + } + return res, nil + } + if w != WireFixed64 { + return b, errInternalBadWireType + } + if len(b) < 8 { + return nil, io.ErrUnexpectedEOF + } + v := math.Float64frombits(uint64(b[0]) | uint64(b[1])<<8 | uint64(b[2])<<16 | uint64(b[3])<<24 | uint64(b[4])<<32 | uint64(b[5])<<40 | uint64(b[6])<<48 | uint64(b[7])<<56) + s := f.toFloat64Slice() + *s = append(*s, v) + return b[8:], nil +} + +func unmarshalFloat32Value(b []byte, f pointer, w int) ([]byte, error) { + if w != WireFixed32 { + return b, errInternalBadWireType + } + if len(b) < 4 { + return nil, io.ErrUnexpectedEOF + } + v := math.Float32frombits(uint32(b[0]) | uint32(b[1])<<8 | uint32(b[2])<<16 | uint32(b[3])<<24) + *f.toFloat32() = v + return b[4:], nil +} + +func unmarshalFloat32Ptr(b []byte, f pointer, w int) ([]byte, error) { + if w != WireFixed32 { + return b, errInternalBadWireType + } + if len(b) < 4 { + return nil, io.ErrUnexpectedEOF + } + v := math.Float32frombits(uint32(b[0]) | uint32(b[1])<<8 | uint32(b[2])<<16 | uint32(b[3])<<24) + *f.toFloat32Ptr() = &v + return b[4:], nil +} + +func unmarshalFloat32Slice(b []byte, f pointer, w int) ([]byte, error) { + if w == WireBytes { // packed + x, n := decodeVarint(b) + if n == 0 { + return nil, io.ErrUnexpectedEOF + } + b = b[n:] + if x > uint64(len(b)) { + return nil, io.ErrUnexpectedEOF + } + res := b[x:] + b = b[:x] + for len(b) > 0 { + if len(b) < 4 { + return nil, io.ErrUnexpectedEOF + } + v := math.Float32frombits(uint32(b[0]) | uint32(b[1])<<8 | uint32(b[2])<<16 | uint32(b[3])<<24) + s := f.toFloat32Slice() + *s = append(*s, v) + b = b[4:] + } + return res, nil + } + if w != WireFixed32 { + return b, errInternalBadWireType + } + if len(b) < 4 { + return nil, io.ErrUnexpectedEOF + } + v := math.Float32frombits(uint32(b[0]) | uint32(b[1])<<8 | uint32(b[2])<<16 | uint32(b[3])<<24) + s := f.toFloat32Slice() + *s = append(*s, v) + return b[4:], nil +} + +func unmarshalStringValue(b []byte, f pointer, w int) ([]byte, error) { + if w != WireBytes { + return b, errInternalBadWireType + } + x, n := decodeVarint(b) + if n == 0 { + return nil, io.ErrUnexpectedEOF + } + b = b[n:] + if x > uint64(len(b)) { + return nil, io.ErrUnexpectedEOF + } + v := string(b[:x]) + *f.toString() = v + return b[x:], nil +} + +func unmarshalStringPtr(b []byte, f pointer, w int) ([]byte, error) { + if w != WireBytes { + return b, errInternalBadWireType + } + x, n := decodeVarint(b) + if n == 0 { + return nil, io.ErrUnexpectedEOF + } + b = b[n:] + if x > uint64(len(b)) { + return nil, io.ErrUnexpectedEOF + } + v := string(b[:x]) + *f.toStringPtr() = &v + return b[x:], nil +} + +func unmarshalStringSlice(b []byte, f pointer, w int) ([]byte, error) { + if w != WireBytes { + return b, errInternalBadWireType + } + x, n := decodeVarint(b) + if n == 0 { + return nil, io.ErrUnexpectedEOF + } + b = b[n:] + if x > uint64(len(b)) { + return nil, io.ErrUnexpectedEOF + } + v := string(b[:x]) + s := f.toStringSlice() + *s = append(*s, v) + return b[x:], nil +} + +func unmarshalUTF8StringValue(b []byte, f pointer, w int) ([]byte, error) { + if w != WireBytes { + return b, errInternalBadWireType + } + x, n := decodeVarint(b) + if n == 0 { + return nil, io.ErrUnexpectedEOF + } + b = b[n:] + if x > uint64(len(b)) { + return nil, io.ErrUnexpectedEOF + } + v := string(b[:x]) + if !utf8.ValidString(v) { + return nil, errInvalidUTF8 + } + *f.toString() = v + return b[x:], nil +} + +func unmarshalUTF8StringPtr(b []byte, f pointer, w int) ([]byte, error) { + if w != WireBytes { + return b, errInternalBadWireType + } + x, n := decodeVarint(b) + if n == 0 { + return nil, io.ErrUnexpectedEOF + } + b = b[n:] + if x > uint64(len(b)) { + return nil, io.ErrUnexpectedEOF + } + v := string(b[:x]) + if !utf8.ValidString(v) { + return nil, errInvalidUTF8 + } + *f.toStringPtr() = &v + return b[x:], nil +} + +func unmarshalUTF8StringSlice(b []byte, f pointer, w int) ([]byte, error) { + if w != WireBytes { + return b, errInternalBadWireType + } + x, n := decodeVarint(b) + if n == 0 { + return nil, io.ErrUnexpectedEOF + } + b = b[n:] + if x > uint64(len(b)) { + return nil, io.ErrUnexpectedEOF + } + v := string(b[:x]) + if !utf8.ValidString(v) { + return nil, errInvalidUTF8 + } + s := f.toStringSlice() + *s = append(*s, v) + return b[x:], nil +} + +var emptyBuf [0]byte + +func unmarshalBytesValue(b []byte, f pointer, w int) ([]byte, error) { + if w != WireBytes { + return b, errInternalBadWireType + } + x, n := decodeVarint(b) + if n == 0 { + return nil, io.ErrUnexpectedEOF + } + b = b[n:] + if x > uint64(len(b)) { + return nil, io.ErrUnexpectedEOF + } + // The use of append here is a trick which avoids the zeroing + // that would be required if we used a make/copy pair. + // We append to emptyBuf instead of nil because we want + // a non-nil result even when the length is 0. + v := append(emptyBuf[:], b[:x]...) + *f.toBytes() = v + return b[x:], nil +} + +func unmarshalBytesSlice(b []byte, f pointer, w int) ([]byte, error) { + if w != WireBytes { + return b, errInternalBadWireType + } + x, n := decodeVarint(b) + if n == 0 { + return nil, io.ErrUnexpectedEOF + } + b = b[n:] + if x > uint64(len(b)) { + return nil, io.ErrUnexpectedEOF + } + v := append(emptyBuf[:], b[:x]...) + s := f.toBytesSlice() + *s = append(*s, v) + return b[x:], nil +} + +func makeUnmarshalMessagePtr(sub *unmarshalInfo, name string) unmarshaler { + return func(b []byte, f pointer, w int) ([]byte, error) { + if w != WireBytes { + return b, errInternalBadWireType + } + x, n := decodeVarint(b) + if n == 0 { + return nil, io.ErrUnexpectedEOF + } + b = b[n:] + if x > uint64(len(b)) { + return nil, io.ErrUnexpectedEOF + } + // First read the message field to see if something is there. + // The semantics of multiple submessages are weird. Instead of + // the last one winning (as it is for all other fields), multiple + // submessages are merged. + v := f.getPointer() + if v.isNil() { + v = valToPointer(reflect.New(sub.typ)) + f.setPointer(v) + } + err := sub.unmarshal(v, b[:x]) + if err != nil { + if r, ok := err.(*RequiredNotSetError); ok { + r.field = name + "." + r.field + } else { + return nil, err + } + } + return b[x:], err + } +} + +func makeUnmarshalMessageSlicePtr(sub *unmarshalInfo, name string) unmarshaler { + return func(b []byte, f pointer, w int) ([]byte, error) { + if w != WireBytes { + return b, errInternalBadWireType + } + x, n := decodeVarint(b) + if n == 0 { + return nil, io.ErrUnexpectedEOF + } + b = b[n:] + if x > uint64(len(b)) { + return nil, io.ErrUnexpectedEOF + } + v := valToPointer(reflect.New(sub.typ)) + err := sub.unmarshal(v, b[:x]) + if err != nil { + if r, ok := err.(*RequiredNotSetError); ok { + r.field = name + "." + r.field + } else { + return nil, err + } + } + f.appendPointer(v) + return b[x:], err + } +} + +func makeUnmarshalGroupPtr(sub *unmarshalInfo, name string) unmarshaler { + return func(b []byte, f pointer, w int) ([]byte, error) { + if w != WireStartGroup { + return b, errInternalBadWireType + } + x, y := findEndGroup(b) + if x < 0 { + return nil, io.ErrUnexpectedEOF + } + v := f.getPointer() + if v.isNil() { + v = valToPointer(reflect.New(sub.typ)) + f.setPointer(v) + } + err := sub.unmarshal(v, b[:x]) + if err != nil { + if r, ok := err.(*RequiredNotSetError); ok { + r.field = name + "." + r.field + } else { + return nil, err + } + } + return b[y:], err + } +} + +func makeUnmarshalGroupSlicePtr(sub *unmarshalInfo, name string) unmarshaler { + return func(b []byte, f pointer, w int) ([]byte, error) { + if w != WireStartGroup { + return b, errInternalBadWireType + } + x, y := findEndGroup(b) + if x < 0 { + return nil, io.ErrUnexpectedEOF + } + v := valToPointer(reflect.New(sub.typ)) + err := sub.unmarshal(v, b[:x]) + if err != nil { + if r, ok := err.(*RequiredNotSetError); ok { + r.field = name + "." + r.field + } else { + return nil, err + } + } + f.appendPointer(v) + return b[y:], err + } +} + +func makeUnmarshalMap(f *reflect.StructField) unmarshaler { + t := f.Type + kt := t.Key() + vt := t.Elem() + unmarshalKey := typeUnmarshaler(kt, f.Tag.Get("protobuf_key")) + unmarshalVal := typeUnmarshaler(vt, f.Tag.Get("protobuf_val")) + return func(b []byte, f pointer, w int) ([]byte, error) { + // The map entry is a submessage. Figure out how big it is. + if w != WireBytes { + return nil, fmt.Errorf("proto: bad wiretype for map field: got %d want %d", w, WireBytes) + } + x, n := decodeVarint(b) + if n == 0 { + return nil, io.ErrUnexpectedEOF + } + b = b[n:] + if x > uint64(len(b)) { + return nil, io.ErrUnexpectedEOF + } + r := b[x:] // unused data to return + b = b[:x] // data for map entry + + // Note: we could use #keys * #values ~= 200 functions + // to do map decoding without reflection. Probably not worth it. + // Maps will be somewhat slow. Oh well. + + // Read key and value from data. + k := reflect.New(kt) + v := reflect.New(vt) + for len(b) > 0 { + x, n := decodeVarint(b) + if n == 0 { + return nil, io.ErrUnexpectedEOF + } + wire := int(x) & 7 + b = b[n:] + + var err error + switch x >> 3 { + case 1: + b, err = unmarshalKey(b, valToPointer(k), wire) + case 2: + b, err = unmarshalVal(b, valToPointer(v), wire) + default: + err = errInternalBadWireType // skip unknown tag + } + + if err == nil { + continue + } + if err != errInternalBadWireType { + return nil, err + } + + // Skip past unknown fields. + b, err = skipField(b, wire) + if err != nil { + return nil, err + } + } + + // Get map, allocate if needed. + m := f.asPointerTo(t).Elem() // an addressable map[K]T + if m.IsNil() { + m.Set(reflect.MakeMap(t)) + } + + // Insert into map. + m.SetMapIndex(k.Elem(), v.Elem()) + + return r, nil + } +} + +// makeUnmarshalOneof makes an unmarshaler for oneof fields. +// for: +// message Msg { +// oneof F { +// int64 X = 1; +// float64 Y = 2; +// } +// } +// typ is the type of the concrete entry for a oneof case (e.g. Msg_X). +// ityp is the interface type of the oneof field (e.g. isMsg_F). +// unmarshal is the unmarshaler for the base type of the oneof case (e.g. int64). +// Note that this function will be called once for each case in the oneof. +func makeUnmarshalOneof(typ, ityp reflect.Type, unmarshal unmarshaler) unmarshaler { + sf := typ.Field(0) + field0 := toField(&sf) + return func(b []byte, f pointer, w int) ([]byte, error) { + // Allocate holder for value. + v := reflect.New(typ) + + // Unmarshal data into holder. + // We unmarshal into the first field of the holder object. + var err error + b, err = unmarshal(b, valToPointer(v).offset(field0), w) + if err != nil { + return nil, err + } + + // Write pointer to holder into target field. + f.asPointerTo(ityp).Elem().Set(v) + + return b, nil + } +} + +// Error used by decode internally. +var errInternalBadWireType = errors.New("proto: internal error: bad wiretype") + +// skipField skips past a field of type wire and returns the remaining bytes. +func skipField(b []byte, wire int) ([]byte, error) { + switch wire { + case WireVarint: + _, k := decodeVarint(b) + if k == 0 { + return b, io.ErrUnexpectedEOF + } + b = b[k:] + case WireFixed32: + if len(b) < 4 { + return b, io.ErrUnexpectedEOF + } + b = b[4:] + case WireFixed64: + if len(b) < 8 { + return b, io.ErrUnexpectedEOF + } + b = b[8:] + case WireBytes: + m, k := decodeVarint(b) + if k == 0 || uint64(len(b)-k) < m { + return b, io.ErrUnexpectedEOF + } + b = b[uint64(k)+m:] + case WireStartGroup: + _, i := findEndGroup(b) + if i == -1 { + return b, io.ErrUnexpectedEOF + } + b = b[i:] + default: + return b, fmt.Errorf("proto: can't skip unknown wire type %d", wire) + } + return b, nil +} + +// findEndGroup finds the index of the next EndGroup tag. +// Groups may be nested, so the "next" EndGroup tag is the first +// unpaired EndGroup. +// findEndGroup returns the indexes of the start and end of the EndGroup tag. +// Returns (-1,-1) if it can't find one. +func findEndGroup(b []byte) (int, int) { + depth := 1 + i := 0 + for { + x, n := decodeVarint(b[i:]) + if n == 0 { + return -1, -1 + } + j := i + i += n + switch x & 7 { + case WireVarint: + _, k := decodeVarint(b[i:]) + if k == 0 { + return -1, -1 + } + i += k + case WireFixed32: + if len(b)-4 < i { + return -1, -1 + } + i += 4 + case WireFixed64: + if len(b)-8 < i { + return -1, -1 + } + i += 8 + case WireBytes: + m, k := decodeVarint(b[i:]) + if k == 0 { + return -1, -1 + } + i += k + if uint64(len(b)-i) < m { + return -1, -1 + } + i += int(m) + case WireStartGroup: + depth++ + case WireEndGroup: + depth-- + if depth == 0 { + return j, i + } + default: + return -1, -1 + } + } +} + +// encodeVarint appends a varint-encoded integer to b and returns the result. +func encodeVarint(b []byte, x uint64) []byte { + for x >= 1<<7 { + b = append(b, byte(x&0x7f|0x80)) + x >>= 7 + } + return append(b, byte(x)) +} + +// decodeVarint reads a varint-encoded integer from b. +// Returns the decoded integer and the number of bytes read. +// If there is an error, it returns 0,0. +func decodeVarint(b []byte) (uint64, int) { + var x, y uint64 + if len(b) <= 0 { + goto bad + } + x = uint64(b[0]) + if x < 0x80 { + return x, 1 + } + x -= 0x80 + + if len(b) <= 1 { + goto bad + } + y = uint64(b[1]) + x += y << 7 + if y < 0x80 { + return x, 2 + } + x -= 0x80 << 7 + + if len(b) <= 2 { + goto bad + } + y = uint64(b[2]) + x += y << 14 + if y < 0x80 { + return x, 3 + } + x -= 0x80 << 14 + + if len(b) <= 3 { + goto bad + } + y = uint64(b[3]) + x += y << 21 + if y < 0x80 { + return x, 4 + } + x -= 0x80 << 21 + + if len(b) <= 4 { + goto bad + } + y = uint64(b[4]) + x += y << 28 + if y < 0x80 { + return x, 5 + } + x -= 0x80 << 28 + + if len(b) <= 5 { + goto bad + } + y = uint64(b[5]) + x += y << 35 + if y < 0x80 { + return x, 6 + } + x -= 0x80 << 35 + + if len(b) <= 6 { + goto bad + } + y = uint64(b[6]) + x += y << 42 + if y < 0x80 { + return x, 7 + } + x -= 0x80 << 42 + + if len(b) <= 7 { + goto bad + } + y = uint64(b[7]) + x += y << 49 + if y < 0x80 { + return x, 8 + } + x -= 0x80 << 49 + + if len(b) <= 8 { + goto bad + } + y = uint64(b[8]) + x += y << 56 + if y < 0x80 { + return x, 9 + } + x -= 0x80 << 56 + + if len(b) <= 9 { + goto bad + } + y = uint64(b[9]) + x += y << 63 + if y < 2 { + return x, 10 + } + +bad: + return 0, 0 +} diff --git a/vendor/github.com/golang/protobuf/proto/text.go b/vendor/github.com/golang/protobuf/proto/text.go index 965876bf0..2205fdaad 100644 --- a/vendor/github.com/golang/protobuf/proto/text.go +++ b/vendor/github.com/golang/protobuf/proto/text.go @@ -50,7 +50,6 @@ import ( var ( newline = []byte("\n") spaces = []byte(" ") - gtNewline = []byte(">\n") endBraceNewline = []byte("}\n") backslashN = []byte{'\\', 'n'} backslashR = []byte{'\\', 'r'} @@ -170,11 +169,6 @@ func writeName(w *textWriter, props *Properties) error { return nil } -// raw is the interface satisfied by RawMessage. -type raw interface { - Bytes() []byte -} - func requiresQuotes(u string) bool { // When type URL contains any characters except [0-9A-Za-z./\-]*, it must be quoted. for _, ch := range u { @@ -269,6 +263,10 @@ func (tm *TextMarshaler) writeStruct(w *textWriter, sv reflect.Value) error { props := sprops.Prop[i] name := st.Field(i).Name + if name == "XXX_NoUnkeyedLiteral" { + continue + } + if strings.HasPrefix(name, "XXX_") { // There are two XXX_ fields: // XXX_unrecognized []byte @@ -436,12 +434,6 @@ func (tm *TextMarshaler) writeStruct(w *textWriter, sv reflect.Value) error { return err } } - if b, ok := fv.Interface().(raw); ok { - if err := writeRaw(w, b.Bytes()); err != nil { - return err - } - continue - } // Enums have a String method, so writeAny will work fine. if err := tm.writeAny(w, fv, props); err != nil { @@ -455,7 +447,7 @@ func (tm *TextMarshaler) writeStruct(w *textWriter, sv reflect.Value) error { // Extensions (the XXX_extensions field). pv := sv.Addr() - if _, ok := extendable(pv.Interface()); ok { + if _, err := extendable(pv.Interface()); err == nil { if err := tm.writeExtensions(w, pv); err != nil { return err } @@ -464,27 +456,6 @@ func (tm *TextMarshaler) writeStruct(w *textWriter, sv reflect.Value) error { return nil } -// writeRaw writes an uninterpreted raw message. -func writeRaw(w *textWriter, b []byte) error { - if err := w.WriteByte('<'); err != nil { - return err - } - if !w.compact { - if err := w.WriteByte('\n'); err != nil { - return err - } - } - w.indent() - if err := writeUnknownStruct(w, b); err != nil { - return err - } - w.unindent() - if err := w.WriteByte('>'); err != nil { - return err - } - return nil -} - // writeAny writes an arbitrary field. func (tm *TextMarshaler) writeAny(w *textWriter, v reflect.Value, props *Properties) error { v = reflect.Indirect(v) @@ -535,6 +506,19 @@ func (tm *TextMarshaler) writeAny(w *textWriter, v reflect.Value, props *Propert } } w.indent() + if v.CanAddr() { + // Calling v.Interface on a struct causes the reflect package to + // copy the entire struct. This is racy with the new Marshaler + // since we atomically update the XXX_sizecache. + // + // Thus, we retrieve a pointer to the struct if possible to avoid + // a race since v.Interface on the pointer doesn't copy the struct. + // + // If v is not addressable, then we are not worried about a race + // since it implies that the binary Marshaler cannot possibly be + // mutating this value. + v = v.Addr() + } if etm, ok := v.Interface().(encoding.TextMarshaler); ok { text, err := etm.MarshalText() if err != nil { @@ -543,8 +527,13 @@ func (tm *TextMarshaler) writeAny(w *textWriter, v reflect.Value, props *Propert if _, err = w.Write(text); err != nil { return err } - } else if err := tm.writeStruct(w, v); err != nil { - return err + } else { + if v.Kind() == reflect.Ptr { + v = v.Elem() + } + if err := tm.writeStruct(w, v); err != nil { + return err + } } w.unindent() if err := w.WriteByte(ket); err != nil { diff --git a/vendor/github.com/golang/protobuf/proto/text_parser.go b/vendor/github.com/golang/protobuf/proto/text_parser.go index 5e14513f2..0685bae36 100644 --- a/vendor/github.com/golang/protobuf/proto/text_parser.go +++ b/vendor/github.com/golang/protobuf/proto/text_parser.go @@ -206,7 +206,6 @@ func (p *textParser) advance() { var ( errBadUTF8 = errors.New("proto: bad UTF-8") - errBadHex = errors.New("proto: bad hexadecimal") ) func unquoteC(s string, quote rune) (string, error) { @@ -277,60 +276,47 @@ func unescape(s string) (ch string, tail string, err error) { return "?", s, nil // trigraph workaround case '\'', '"', '\\': return string(r), s, nil - case '0', '1', '2', '3', '4', '5', '6', '7', 'x', 'X': + case '0', '1', '2', '3', '4', '5', '6', '7': if len(s) < 2 { return "", "", fmt.Errorf(`\%c requires 2 following digits`, r) } - base := 8 - ss := s[:2] + ss := string(r) + s[:2] s = s[2:] - if r == 'x' || r == 'X' { - base = 16 - } else { - ss = string(r) + ss - } - i, err := strconv.ParseUint(ss, base, 8) + i, err := strconv.ParseUint(ss, 8, 8) if err != nil { - return "", "", err + return "", "", fmt.Errorf(`\%s contains non-octal digits`, ss) } return string([]byte{byte(i)}), s, nil - case 'u', 'U': - n := 4 - if r == 'U' { + case 'x', 'X', 'u', 'U': + var n int + switch r { + case 'x', 'X': + n = 2 + case 'u': + n = 4 + case 'U': n = 8 } if len(s) < n { - return "", "", fmt.Errorf(`\%c requires %d digits`, r, n) - } - - bs := make([]byte, n/2) - for i := 0; i < n; i += 2 { - a, ok1 := unhex(s[i]) - b, ok2 := unhex(s[i+1]) - if !ok1 || !ok2 { - return "", "", errBadHex - } - bs[i/2] = a<<4 | b + return "", "", fmt.Errorf(`\%c requires %d following digits`, r, n) } + ss := s[:n] s = s[n:] - return string(bs), s, nil + i, err := strconv.ParseUint(ss, 16, 64) + if err != nil { + return "", "", fmt.Errorf(`\%c%s contains non-hexadecimal digits`, r, ss) + } + if r == 'x' || r == 'X' { + return string([]byte{byte(i)}), s, nil + } + if i > utf8.MaxRune { + return "", "", fmt.Errorf(`\%c%s is not a valid Unicode code point`, r, ss) + } + return string(i), s, nil } return "", "", fmt.Errorf(`unknown escape \%c`, r) } -// Adapted from src/pkg/strconv/quote.go. -func unhex(b byte) (v byte, ok bool) { - switch { - case '0' <= b && b <= '9': - return b - '0', true - case 'a' <= b && b <= 'f': - return b - 'a' + 10, true - case 'A' <= b && b <= 'F': - return b - 'A' + 10, true - } - return 0, false -} - // Back off the parser by one token. Can only be done between calls to next(). // It makes the next advance() a no-op. func (p *textParser) back() { p.backed = true } @@ -728,6 +714,9 @@ func (p *textParser) consumeExtName() (string, error) { if tok.err != nil { return "", p.errorf("unrecognized type_url or extension name: %s", tok.err) } + if p.done && tok.value != "]" { + return "", p.errorf("unclosed type_url or extension name") + } } return strings.Join(parts, ""), nil } @@ -865,7 +854,7 @@ func (p *textParser) readAny(v reflect.Value, props *Properties) error { return p.readStruct(fv, terminator) case reflect.Uint32: if x, err := strconv.ParseUint(tok.value, 0, 32); err == nil { - fv.SetUint(x) + fv.SetUint(uint64(x)) return nil } case reflect.Uint64: @@ -883,13 +872,9 @@ func (p *textParser) readAny(v reflect.Value, props *Properties) error { // UnmarshalText returns *RequiredNotSetError. func UnmarshalText(s string, pb Message) error { if um, ok := pb.(encoding.TextUnmarshaler); ok { - err := um.UnmarshalText([]byte(s)) - return err + return um.UnmarshalText([]byte(s)) } pb.Reset() v := reflect.ValueOf(pb) - if pe := newTextParser(s).readStruct(v.Elem(), ""); pe != nil { - return pe - } - return nil + return newTextParser(s).readStruct(v.Elem(), "") } diff --git a/vendor/github.com/golang/protobuf/protoc-gen-go/descriptor/Makefile b/vendor/github.com/golang/protobuf/protoc-gen-go/descriptor/Makefile deleted file mode 100644 index 41a2d04d0..000000000 --- a/vendor/github.com/golang/protobuf/protoc-gen-go/descriptor/Makefile +++ /dev/null @@ -1,36 +0,0 @@ -# Go support for Protocol Buffers - Google's data interchange format -# -# Copyright 2010 The Go Authors. All rights reserved. -# https://github.com/golang/protobuf -# -# Redistribution and use in source and binary forms, with or without -# modification, are permitted provided that the following conditions are -# met: -# -# * Redistributions of source code must retain the above copyright -# notice, this list of conditions and the following disclaimer. -# * Redistributions in binary form must reproduce the above -# copyright notice, this list of conditions and the following disclaimer -# in the documentation and/or other materials provided with the -# distribution. -# * Neither the name of Google Inc. nor the names of its -# contributors may be used to endorse or promote products derived from -# this software without specific prior written permission. -# -# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -# Not stored here, but descriptor.proto is in https://github.com/google/protobuf/ -# at src/google/protobuf/descriptor.proto -regenerate: - @echo WARNING! THIS RULE IS PROBABLY NOT RIGHT FOR YOUR INSTALLATION - protoc --go_out=../../../../.. -I$(HOME)/src/protobuf/include $(HOME)/src/protobuf/include/google/protobuf/descriptor.proto diff --git a/vendor/github.com/golang/protobuf/protoc-gen-go/descriptor/descriptor.pb.go b/vendor/github.com/golang/protobuf/protoc-gen-go/descriptor/descriptor.pb.go index 63cf2c80a..9e029e8cb 100644 --- a/vendor/github.com/golang/protobuf/protoc-gen-go/descriptor/descriptor.pb.go +++ b/vendor/github.com/golang/protobuf/protoc-gen-go/descriptor/descriptor.pb.go @@ -1,34 +1,6 @@ // Code generated by protoc-gen-go. DO NOT EDIT. // source: google/protobuf/descriptor.proto -/* -Package descriptor is a generated protocol buffer package. - -It is generated from these files: - google/protobuf/descriptor.proto - -It has these top-level messages: - FileDescriptorSet - FileDescriptorProto - DescriptorProto - FieldDescriptorProto - OneofDescriptorProto - EnumDescriptorProto - EnumValueDescriptorProto - ServiceDescriptorProto - MethodDescriptorProto - FileOptions - MessageOptions - FieldOptions - OneofOptions - EnumOptions - EnumValueOptions - ServiceOptions - MethodOptions - UninterpretedOption - SourceCodeInfo - GeneratedCodeInfo -*/ package descriptor import proto "github.com/golang/protobuf/proto" @@ -137,7 +109,9 @@ func (x *FieldDescriptorProto_Type) UnmarshalJSON(data []byte) error { *x = FieldDescriptorProto_Type(value) return nil } -func (FieldDescriptorProto_Type) EnumDescriptor() ([]byte, []int) { return fileDescriptor0, []int{3, 0} } +func (FieldDescriptorProto_Type) EnumDescriptor() ([]byte, []int) { + return fileDescriptor_descriptor_4df4cb5f42392df6, []int{4, 0} +} type FieldDescriptorProto_Label int32 @@ -176,7 +150,7 @@ func (x *FieldDescriptorProto_Label) UnmarshalJSON(data []byte) error { return nil } func (FieldDescriptorProto_Label) EnumDescriptor() ([]byte, []int) { - return fileDescriptor0, []int{3, 1} + return fileDescriptor_descriptor_4df4cb5f42392df6, []int{4, 1} } // Generated classes can be optimized for speed or code size. @@ -216,7 +190,9 @@ func (x *FileOptions_OptimizeMode) UnmarshalJSON(data []byte) error { *x = FileOptions_OptimizeMode(value) return nil } -func (FileOptions_OptimizeMode) EnumDescriptor() ([]byte, []int) { return fileDescriptor0, []int{9, 0} } +func (FileOptions_OptimizeMode) EnumDescriptor() ([]byte, []int) { + return fileDescriptor_descriptor_4df4cb5f42392df6, []int{10, 0} +} type FieldOptions_CType int32 @@ -254,7 +230,9 @@ func (x *FieldOptions_CType) UnmarshalJSON(data []byte) error { *x = FieldOptions_CType(value) return nil } -func (FieldOptions_CType) EnumDescriptor() ([]byte, []int) { return fileDescriptor0, []int{11, 0} } +func (FieldOptions_CType) EnumDescriptor() ([]byte, []int) { + return fileDescriptor_descriptor_4df4cb5f42392df6, []int{12, 0} +} type FieldOptions_JSType int32 @@ -294,7 +272,9 @@ func (x *FieldOptions_JSType) UnmarshalJSON(data []byte) error { *x = FieldOptions_JSType(value) return nil } -func (FieldOptions_JSType) EnumDescriptor() ([]byte, []int) { return fileDescriptor0, []int{11, 1} } +func (FieldOptions_JSType) EnumDescriptor() ([]byte, []int) { + return fileDescriptor_descriptor_4df4cb5f42392df6, []int{12, 1} +} // Is this method side-effect-free (or safe in HTTP parlance), or idempotent, // or neither? HTTP based RPC implementation may choose GET verb for safe @@ -335,20 +315,41 @@ func (x *MethodOptions_IdempotencyLevel) UnmarshalJSON(data []byte) error { return nil } func (MethodOptions_IdempotencyLevel) EnumDescriptor() ([]byte, []int) { - return fileDescriptor0, []int{16, 0} + return fileDescriptor_descriptor_4df4cb5f42392df6, []int{17, 0} } // The protocol compiler can output a FileDescriptorSet containing the .proto // files it parses. type FileDescriptorSet struct { - File []*FileDescriptorProto `protobuf:"bytes,1,rep,name=file" json:"file,omitempty"` - XXX_unrecognized []byte `json:"-"` + File []*FileDescriptorProto `protobuf:"bytes,1,rep,name=file" json:"file,omitempty"` + XXX_NoUnkeyedLiteral struct{} `json:"-"` + XXX_unrecognized []byte `json:"-"` + XXX_sizecache int32 `json:"-"` +} + +func (m *FileDescriptorSet) Reset() { *m = FileDescriptorSet{} } +func (m *FileDescriptorSet) String() string { return proto.CompactTextString(m) } +func (*FileDescriptorSet) ProtoMessage() {} +func (*FileDescriptorSet) Descriptor() ([]byte, []int) { + return fileDescriptor_descriptor_4df4cb5f42392df6, []int{0} +} +func (m *FileDescriptorSet) XXX_Unmarshal(b []byte) error { + return xxx_messageInfo_FileDescriptorSet.Unmarshal(m, b) +} +func (m *FileDescriptorSet) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) { + return xxx_messageInfo_FileDescriptorSet.Marshal(b, m, deterministic) +} +func (dst *FileDescriptorSet) XXX_Merge(src proto.Message) { + xxx_messageInfo_FileDescriptorSet.Merge(dst, src) +} +func (m *FileDescriptorSet) XXX_Size() int { + return xxx_messageInfo_FileDescriptorSet.Size(m) +} +func (m *FileDescriptorSet) XXX_DiscardUnknown() { + xxx_messageInfo_FileDescriptorSet.DiscardUnknown(m) } -func (m *FileDescriptorSet) Reset() { *m = FileDescriptorSet{} } -func (m *FileDescriptorSet) String() string { return proto.CompactTextString(m) } -func (*FileDescriptorSet) ProtoMessage() {} -func (*FileDescriptorSet) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{0} } +var xxx_messageInfo_FileDescriptorSet proto.InternalMessageInfo func (m *FileDescriptorSet) GetFile() []*FileDescriptorProto { if m != nil { @@ -381,14 +382,35 @@ type FileDescriptorProto struct { SourceCodeInfo *SourceCodeInfo `protobuf:"bytes,9,opt,name=source_code_info,json=sourceCodeInfo" json:"source_code_info,omitempty"` // The syntax of the proto file. // The supported values are "proto2" and "proto3". - Syntax *string `protobuf:"bytes,12,opt,name=syntax" json:"syntax,omitempty"` - XXX_unrecognized []byte `json:"-"` + Syntax *string `protobuf:"bytes,12,opt,name=syntax" json:"syntax,omitempty"` + XXX_NoUnkeyedLiteral struct{} `json:"-"` + XXX_unrecognized []byte `json:"-"` + XXX_sizecache int32 `json:"-"` +} + +func (m *FileDescriptorProto) Reset() { *m = FileDescriptorProto{} } +func (m *FileDescriptorProto) String() string { return proto.CompactTextString(m) } +func (*FileDescriptorProto) ProtoMessage() {} +func (*FileDescriptorProto) Descriptor() ([]byte, []int) { + return fileDescriptor_descriptor_4df4cb5f42392df6, []int{1} +} +func (m *FileDescriptorProto) XXX_Unmarshal(b []byte) error { + return xxx_messageInfo_FileDescriptorProto.Unmarshal(m, b) +} +func (m *FileDescriptorProto) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) { + return xxx_messageInfo_FileDescriptorProto.Marshal(b, m, deterministic) +} +func (dst *FileDescriptorProto) XXX_Merge(src proto.Message) { + xxx_messageInfo_FileDescriptorProto.Merge(dst, src) +} +func (m *FileDescriptorProto) XXX_Size() int { + return xxx_messageInfo_FileDescriptorProto.Size(m) +} +func (m *FileDescriptorProto) XXX_DiscardUnknown() { + xxx_messageInfo_FileDescriptorProto.DiscardUnknown(m) } -func (m *FileDescriptorProto) Reset() { *m = FileDescriptorProto{} } -func (m *FileDescriptorProto) String() string { return proto.CompactTextString(m) } -func (*FileDescriptorProto) ProtoMessage() {} -func (*FileDescriptorProto) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{1} } +var xxx_messageInfo_FileDescriptorProto proto.InternalMessageInfo func (m *FileDescriptorProto) GetName() string { if m != nil && m.Name != nil { @@ -487,14 +509,35 @@ type DescriptorProto struct { ReservedRange []*DescriptorProto_ReservedRange `protobuf:"bytes,9,rep,name=reserved_range,json=reservedRange" json:"reserved_range,omitempty"` // Reserved field names, which may not be used by fields in the same message. // A given name may only be reserved once. - ReservedName []string `protobuf:"bytes,10,rep,name=reserved_name,json=reservedName" json:"reserved_name,omitempty"` - XXX_unrecognized []byte `json:"-"` + ReservedName []string `protobuf:"bytes,10,rep,name=reserved_name,json=reservedName" json:"reserved_name,omitempty"` + XXX_NoUnkeyedLiteral struct{} `json:"-"` + XXX_unrecognized []byte `json:"-"` + XXX_sizecache int32 `json:"-"` +} + +func (m *DescriptorProto) Reset() { *m = DescriptorProto{} } +func (m *DescriptorProto) String() string { return proto.CompactTextString(m) } +func (*DescriptorProto) ProtoMessage() {} +func (*DescriptorProto) Descriptor() ([]byte, []int) { + return fileDescriptor_descriptor_4df4cb5f42392df6, []int{2} +} +func (m *DescriptorProto) XXX_Unmarshal(b []byte) error { + return xxx_messageInfo_DescriptorProto.Unmarshal(m, b) +} +func (m *DescriptorProto) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) { + return xxx_messageInfo_DescriptorProto.Marshal(b, m, deterministic) +} +func (dst *DescriptorProto) XXX_Merge(src proto.Message) { + xxx_messageInfo_DescriptorProto.Merge(dst, src) +} +func (m *DescriptorProto) XXX_Size() int { + return xxx_messageInfo_DescriptorProto.Size(m) +} +func (m *DescriptorProto) XXX_DiscardUnknown() { + xxx_messageInfo_DescriptorProto.DiscardUnknown(m) } -func (m *DescriptorProto) Reset() { *m = DescriptorProto{} } -func (m *DescriptorProto) String() string { return proto.CompactTextString(m) } -func (*DescriptorProto) ProtoMessage() {} -func (*DescriptorProto) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{2} } +var xxx_messageInfo_DescriptorProto proto.InternalMessageInfo func (m *DescriptorProto) GetName() string { if m != nil && m.Name != nil { @@ -567,18 +610,38 @@ func (m *DescriptorProto) GetReservedName() []string { } type DescriptorProto_ExtensionRange struct { - Start *int32 `protobuf:"varint,1,opt,name=start" json:"start,omitempty"` - End *int32 `protobuf:"varint,2,opt,name=end" json:"end,omitempty"` - XXX_unrecognized []byte `json:"-"` + Start *int32 `protobuf:"varint,1,opt,name=start" json:"start,omitempty"` + End *int32 `protobuf:"varint,2,opt,name=end" json:"end,omitempty"` + Options *ExtensionRangeOptions `protobuf:"bytes,3,opt,name=options" json:"options,omitempty"` + XXX_NoUnkeyedLiteral struct{} `json:"-"` + XXX_unrecognized []byte `json:"-"` + XXX_sizecache int32 `json:"-"` } func (m *DescriptorProto_ExtensionRange) Reset() { *m = DescriptorProto_ExtensionRange{} } func (m *DescriptorProto_ExtensionRange) String() string { return proto.CompactTextString(m) } func (*DescriptorProto_ExtensionRange) ProtoMessage() {} func (*DescriptorProto_ExtensionRange) Descriptor() ([]byte, []int) { - return fileDescriptor0, []int{2, 0} + return fileDescriptor_descriptor_4df4cb5f42392df6, []int{2, 0} +} +func (m *DescriptorProto_ExtensionRange) XXX_Unmarshal(b []byte) error { + return xxx_messageInfo_DescriptorProto_ExtensionRange.Unmarshal(m, b) +} +func (m *DescriptorProto_ExtensionRange) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) { + return xxx_messageInfo_DescriptorProto_ExtensionRange.Marshal(b, m, deterministic) +} +func (dst *DescriptorProto_ExtensionRange) XXX_Merge(src proto.Message) { + xxx_messageInfo_DescriptorProto_ExtensionRange.Merge(dst, src) +} +func (m *DescriptorProto_ExtensionRange) XXX_Size() int { + return xxx_messageInfo_DescriptorProto_ExtensionRange.Size(m) +} +func (m *DescriptorProto_ExtensionRange) XXX_DiscardUnknown() { + xxx_messageInfo_DescriptorProto_ExtensionRange.DiscardUnknown(m) } +var xxx_messageInfo_DescriptorProto_ExtensionRange proto.InternalMessageInfo + func (m *DescriptorProto_ExtensionRange) GetStart() int32 { if m != nil && m.Start != nil { return *m.Start @@ -593,22 +656,48 @@ func (m *DescriptorProto_ExtensionRange) GetEnd() int32 { return 0 } +func (m *DescriptorProto_ExtensionRange) GetOptions() *ExtensionRangeOptions { + if m != nil { + return m.Options + } + return nil +} + // Range of reserved tag numbers. Reserved tag numbers may not be used by // fields or extension ranges in the same message. Reserved ranges may // not overlap. type DescriptorProto_ReservedRange struct { - Start *int32 `protobuf:"varint,1,opt,name=start" json:"start,omitempty"` - End *int32 `protobuf:"varint,2,opt,name=end" json:"end,omitempty"` - XXX_unrecognized []byte `json:"-"` + Start *int32 `protobuf:"varint,1,opt,name=start" json:"start,omitempty"` + End *int32 `protobuf:"varint,2,opt,name=end" json:"end,omitempty"` + XXX_NoUnkeyedLiteral struct{} `json:"-"` + XXX_unrecognized []byte `json:"-"` + XXX_sizecache int32 `json:"-"` } func (m *DescriptorProto_ReservedRange) Reset() { *m = DescriptorProto_ReservedRange{} } func (m *DescriptorProto_ReservedRange) String() string { return proto.CompactTextString(m) } func (*DescriptorProto_ReservedRange) ProtoMessage() {} func (*DescriptorProto_ReservedRange) Descriptor() ([]byte, []int) { - return fileDescriptor0, []int{2, 1} + return fileDescriptor_descriptor_4df4cb5f42392df6, []int{2, 1} +} +func (m *DescriptorProto_ReservedRange) XXX_Unmarshal(b []byte) error { + return xxx_messageInfo_DescriptorProto_ReservedRange.Unmarshal(m, b) +} +func (m *DescriptorProto_ReservedRange) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) { + return xxx_messageInfo_DescriptorProto_ReservedRange.Marshal(b, m, deterministic) +} +func (dst *DescriptorProto_ReservedRange) XXX_Merge(src proto.Message) { + xxx_messageInfo_DescriptorProto_ReservedRange.Merge(dst, src) +} +func (m *DescriptorProto_ReservedRange) XXX_Size() int { + return xxx_messageInfo_DescriptorProto_ReservedRange.Size(m) +} +func (m *DescriptorProto_ReservedRange) XXX_DiscardUnknown() { + xxx_messageInfo_DescriptorProto_ReservedRange.DiscardUnknown(m) } +var xxx_messageInfo_DescriptorProto_ReservedRange proto.InternalMessageInfo + func (m *DescriptorProto_ReservedRange) GetStart() int32 { if m != nil && m.Start != nil { return *m.Start @@ -623,6 +712,54 @@ func (m *DescriptorProto_ReservedRange) GetEnd() int32 { return 0 } +type ExtensionRangeOptions struct { + // The parser stores options it doesn't recognize here. See above. + UninterpretedOption []*UninterpretedOption `protobuf:"bytes,999,rep,name=uninterpreted_option,json=uninterpretedOption" json:"uninterpreted_option,omitempty"` + XXX_NoUnkeyedLiteral struct{} `json:"-"` + proto.XXX_InternalExtensions `json:"-"` + XXX_unrecognized []byte `json:"-"` + XXX_sizecache int32 `json:"-"` +} + +func (m *ExtensionRangeOptions) Reset() { *m = ExtensionRangeOptions{} } +func (m *ExtensionRangeOptions) String() string { return proto.CompactTextString(m) } +func (*ExtensionRangeOptions) ProtoMessage() {} +func (*ExtensionRangeOptions) Descriptor() ([]byte, []int) { + return fileDescriptor_descriptor_4df4cb5f42392df6, []int{3} +} + +var extRange_ExtensionRangeOptions = []proto.ExtensionRange{ + {Start: 1000, End: 536870911}, +} + +func (*ExtensionRangeOptions) ExtensionRangeArray() []proto.ExtensionRange { + return extRange_ExtensionRangeOptions +} +func (m *ExtensionRangeOptions) XXX_Unmarshal(b []byte) error { + return xxx_messageInfo_ExtensionRangeOptions.Unmarshal(m, b) +} +func (m *ExtensionRangeOptions) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) { + return xxx_messageInfo_ExtensionRangeOptions.Marshal(b, m, deterministic) +} +func (dst *ExtensionRangeOptions) XXX_Merge(src proto.Message) { + xxx_messageInfo_ExtensionRangeOptions.Merge(dst, src) +} +func (m *ExtensionRangeOptions) XXX_Size() int { + return xxx_messageInfo_ExtensionRangeOptions.Size(m) +} +func (m *ExtensionRangeOptions) XXX_DiscardUnknown() { + xxx_messageInfo_ExtensionRangeOptions.DiscardUnknown(m) +} + +var xxx_messageInfo_ExtensionRangeOptions proto.InternalMessageInfo + +func (m *ExtensionRangeOptions) GetUninterpretedOption() []*UninterpretedOption { + if m != nil { + return m.UninterpretedOption + } + return nil +} + // Describes a field within a message. type FieldDescriptorProto struct { Name *string `protobuf:"bytes,1,opt,name=name" json:"name,omitempty"` @@ -653,15 +790,36 @@ type FieldDescriptorProto struct { // user has set a "json_name" option on this field, that option's value // will be used. Otherwise, it's deduced from the field's name by converting // it to camelCase. - JsonName *string `protobuf:"bytes,10,opt,name=json_name,json=jsonName" json:"json_name,omitempty"` - Options *FieldOptions `protobuf:"bytes,8,opt,name=options" json:"options,omitempty"` - XXX_unrecognized []byte `json:"-"` + JsonName *string `protobuf:"bytes,10,opt,name=json_name,json=jsonName" json:"json_name,omitempty"` + Options *FieldOptions `protobuf:"bytes,8,opt,name=options" json:"options,omitempty"` + XXX_NoUnkeyedLiteral struct{} `json:"-"` + XXX_unrecognized []byte `json:"-"` + XXX_sizecache int32 `json:"-"` +} + +func (m *FieldDescriptorProto) Reset() { *m = FieldDescriptorProto{} } +func (m *FieldDescriptorProto) String() string { return proto.CompactTextString(m) } +func (*FieldDescriptorProto) ProtoMessage() {} +func (*FieldDescriptorProto) Descriptor() ([]byte, []int) { + return fileDescriptor_descriptor_4df4cb5f42392df6, []int{4} +} +func (m *FieldDescriptorProto) XXX_Unmarshal(b []byte) error { + return xxx_messageInfo_FieldDescriptorProto.Unmarshal(m, b) +} +func (m *FieldDescriptorProto) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) { + return xxx_messageInfo_FieldDescriptorProto.Marshal(b, m, deterministic) +} +func (dst *FieldDescriptorProto) XXX_Merge(src proto.Message) { + xxx_messageInfo_FieldDescriptorProto.Merge(dst, src) +} +func (m *FieldDescriptorProto) XXX_Size() int { + return xxx_messageInfo_FieldDescriptorProto.Size(m) +} +func (m *FieldDescriptorProto) XXX_DiscardUnknown() { + xxx_messageInfo_FieldDescriptorProto.DiscardUnknown(m) } -func (m *FieldDescriptorProto) Reset() { *m = FieldDescriptorProto{} } -func (m *FieldDescriptorProto) String() string { return proto.CompactTextString(m) } -func (*FieldDescriptorProto) ProtoMessage() {} -func (*FieldDescriptorProto) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{3} } +var xxx_messageInfo_FieldDescriptorProto proto.InternalMessageInfo func (m *FieldDescriptorProto) GetName() string { if m != nil && m.Name != nil { @@ -735,15 +893,36 @@ func (m *FieldDescriptorProto) GetOptions() *FieldOptions { // Describes a oneof. type OneofDescriptorProto struct { - Name *string `protobuf:"bytes,1,opt,name=name" json:"name,omitempty"` - Options *OneofOptions `protobuf:"bytes,2,opt,name=options" json:"options,omitempty"` - XXX_unrecognized []byte `json:"-"` + Name *string `protobuf:"bytes,1,opt,name=name" json:"name,omitempty"` + Options *OneofOptions `protobuf:"bytes,2,opt,name=options" json:"options,omitempty"` + XXX_NoUnkeyedLiteral struct{} `json:"-"` + XXX_unrecognized []byte `json:"-"` + XXX_sizecache int32 `json:"-"` } -func (m *OneofDescriptorProto) Reset() { *m = OneofDescriptorProto{} } -func (m *OneofDescriptorProto) String() string { return proto.CompactTextString(m) } -func (*OneofDescriptorProto) ProtoMessage() {} -func (*OneofDescriptorProto) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{4} } +func (m *OneofDescriptorProto) Reset() { *m = OneofDescriptorProto{} } +func (m *OneofDescriptorProto) String() string { return proto.CompactTextString(m) } +func (*OneofDescriptorProto) ProtoMessage() {} +func (*OneofDescriptorProto) Descriptor() ([]byte, []int) { + return fileDescriptor_descriptor_4df4cb5f42392df6, []int{5} +} +func (m *OneofDescriptorProto) XXX_Unmarshal(b []byte) error { + return xxx_messageInfo_OneofDescriptorProto.Unmarshal(m, b) +} +func (m *OneofDescriptorProto) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) { + return xxx_messageInfo_OneofDescriptorProto.Marshal(b, m, deterministic) +} +func (dst *OneofDescriptorProto) XXX_Merge(src proto.Message) { + xxx_messageInfo_OneofDescriptorProto.Merge(dst, src) +} +func (m *OneofDescriptorProto) XXX_Size() int { + return xxx_messageInfo_OneofDescriptorProto.Size(m) +} +func (m *OneofDescriptorProto) XXX_DiscardUnknown() { + xxx_messageInfo_OneofDescriptorProto.DiscardUnknown(m) +} + +var xxx_messageInfo_OneofDescriptorProto proto.InternalMessageInfo func (m *OneofDescriptorProto) GetName() string { if m != nil && m.Name != nil { @@ -761,16 +940,44 @@ func (m *OneofDescriptorProto) GetOptions() *OneofOptions { // Describes an enum type. type EnumDescriptorProto struct { - Name *string `protobuf:"bytes,1,opt,name=name" json:"name,omitempty"` - Value []*EnumValueDescriptorProto `protobuf:"bytes,2,rep,name=value" json:"value,omitempty"` - Options *EnumOptions `protobuf:"bytes,3,opt,name=options" json:"options,omitempty"` - XXX_unrecognized []byte `json:"-"` + Name *string `protobuf:"bytes,1,opt,name=name" json:"name,omitempty"` + Value []*EnumValueDescriptorProto `protobuf:"bytes,2,rep,name=value" json:"value,omitempty"` + Options *EnumOptions `protobuf:"bytes,3,opt,name=options" json:"options,omitempty"` + // Range of reserved numeric values. Reserved numeric values may not be used + // by enum values in the same enum declaration. Reserved ranges may not + // overlap. + ReservedRange []*EnumDescriptorProto_EnumReservedRange `protobuf:"bytes,4,rep,name=reserved_range,json=reservedRange" json:"reserved_range,omitempty"` + // Reserved enum value names, which may not be reused. A given name may only + // be reserved once. + ReservedName []string `protobuf:"bytes,5,rep,name=reserved_name,json=reservedName" json:"reserved_name,omitempty"` + XXX_NoUnkeyedLiteral struct{} `json:"-"` + XXX_unrecognized []byte `json:"-"` + XXX_sizecache int32 `json:"-"` } -func (m *EnumDescriptorProto) Reset() { *m = EnumDescriptorProto{} } -func (m *EnumDescriptorProto) String() string { return proto.CompactTextString(m) } -func (*EnumDescriptorProto) ProtoMessage() {} -func (*EnumDescriptorProto) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{5} } +func (m *EnumDescriptorProto) Reset() { *m = EnumDescriptorProto{} } +func (m *EnumDescriptorProto) String() string { return proto.CompactTextString(m) } +func (*EnumDescriptorProto) ProtoMessage() {} +func (*EnumDescriptorProto) Descriptor() ([]byte, []int) { + return fileDescriptor_descriptor_4df4cb5f42392df6, []int{6} +} +func (m *EnumDescriptorProto) XXX_Unmarshal(b []byte) error { + return xxx_messageInfo_EnumDescriptorProto.Unmarshal(m, b) +} +func (m *EnumDescriptorProto) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) { + return xxx_messageInfo_EnumDescriptorProto.Marshal(b, m, deterministic) +} +func (dst *EnumDescriptorProto) XXX_Merge(src proto.Message) { + xxx_messageInfo_EnumDescriptorProto.Merge(dst, src) +} +func (m *EnumDescriptorProto) XXX_Size() int { + return xxx_messageInfo_EnumDescriptorProto.Size(m) +} +func (m *EnumDescriptorProto) XXX_DiscardUnknown() { + xxx_messageInfo_EnumDescriptorProto.DiscardUnknown(m) +} + +var xxx_messageInfo_EnumDescriptorProto proto.InternalMessageInfo func (m *EnumDescriptorProto) GetName() string { if m != nil && m.Name != nil { @@ -793,18 +1000,105 @@ func (m *EnumDescriptorProto) GetOptions() *EnumOptions { return nil } +func (m *EnumDescriptorProto) GetReservedRange() []*EnumDescriptorProto_EnumReservedRange { + if m != nil { + return m.ReservedRange + } + return nil +} + +func (m *EnumDescriptorProto) GetReservedName() []string { + if m != nil { + return m.ReservedName + } + return nil +} + +// Range of reserved numeric values. Reserved values may not be used by +// entries in the same enum. Reserved ranges may not overlap. +// +// Note that this is distinct from DescriptorProto.ReservedRange in that it +// is inclusive such that it can appropriately represent the entire int32 +// domain. +type EnumDescriptorProto_EnumReservedRange struct { + Start *int32 `protobuf:"varint,1,opt,name=start" json:"start,omitempty"` + End *int32 `protobuf:"varint,2,opt,name=end" json:"end,omitempty"` + XXX_NoUnkeyedLiteral struct{} `json:"-"` + XXX_unrecognized []byte `json:"-"` + XXX_sizecache int32 `json:"-"` +} + +func (m *EnumDescriptorProto_EnumReservedRange) Reset() { *m = EnumDescriptorProto_EnumReservedRange{} } +func (m *EnumDescriptorProto_EnumReservedRange) String() string { return proto.CompactTextString(m) } +func (*EnumDescriptorProto_EnumReservedRange) ProtoMessage() {} +func (*EnumDescriptorProto_EnumReservedRange) Descriptor() ([]byte, []int) { + return fileDescriptor_descriptor_4df4cb5f42392df6, []int{6, 0} +} +func (m *EnumDescriptorProto_EnumReservedRange) XXX_Unmarshal(b []byte) error { + return xxx_messageInfo_EnumDescriptorProto_EnumReservedRange.Unmarshal(m, b) +} +func (m *EnumDescriptorProto_EnumReservedRange) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) { + return xxx_messageInfo_EnumDescriptorProto_EnumReservedRange.Marshal(b, m, deterministic) +} +func (dst *EnumDescriptorProto_EnumReservedRange) XXX_Merge(src proto.Message) { + xxx_messageInfo_EnumDescriptorProto_EnumReservedRange.Merge(dst, src) +} +func (m *EnumDescriptorProto_EnumReservedRange) XXX_Size() int { + return xxx_messageInfo_EnumDescriptorProto_EnumReservedRange.Size(m) +} +func (m *EnumDescriptorProto_EnumReservedRange) XXX_DiscardUnknown() { + xxx_messageInfo_EnumDescriptorProto_EnumReservedRange.DiscardUnknown(m) +} + +var xxx_messageInfo_EnumDescriptorProto_EnumReservedRange proto.InternalMessageInfo + +func (m *EnumDescriptorProto_EnumReservedRange) GetStart() int32 { + if m != nil && m.Start != nil { + return *m.Start + } + return 0 +} + +func (m *EnumDescriptorProto_EnumReservedRange) GetEnd() int32 { + if m != nil && m.End != nil { + return *m.End + } + return 0 +} + // Describes a value within an enum. type EnumValueDescriptorProto struct { - Name *string `protobuf:"bytes,1,opt,name=name" json:"name,omitempty"` - Number *int32 `protobuf:"varint,2,opt,name=number" json:"number,omitempty"` - Options *EnumValueOptions `protobuf:"bytes,3,opt,name=options" json:"options,omitempty"` - XXX_unrecognized []byte `json:"-"` + Name *string `protobuf:"bytes,1,opt,name=name" json:"name,omitempty"` + Number *int32 `protobuf:"varint,2,opt,name=number" json:"number,omitempty"` + Options *EnumValueOptions `protobuf:"bytes,3,opt,name=options" json:"options,omitempty"` + XXX_NoUnkeyedLiteral struct{} `json:"-"` + XXX_unrecognized []byte `json:"-"` + XXX_sizecache int32 `json:"-"` } -func (m *EnumValueDescriptorProto) Reset() { *m = EnumValueDescriptorProto{} } -func (m *EnumValueDescriptorProto) String() string { return proto.CompactTextString(m) } -func (*EnumValueDescriptorProto) ProtoMessage() {} -func (*EnumValueDescriptorProto) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{6} } +func (m *EnumValueDescriptorProto) Reset() { *m = EnumValueDescriptorProto{} } +func (m *EnumValueDescriptorProto) String() string { return proto.CompactTextString(m) } +func (*EnumValueDescriptorProto) ProtoMessage() {} +func (*EnumValueDescriptorProto) Descriptor() ([]byte, []int) { + return fileDescriptor_descriptor_4df4cb5f42392df6, []int{7} +} +func (m *EnumValueDescriptorProto) XXX_Unmarshal(b []byte) error { + return xxx_messageInfo_EnumValueDescriptorProto.Unmarshal(m, b) +} +func (m *EnumValueDescriptorProto) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) { + return xxx_messageInfo_EnumValueDescriptorProto.Marshal(b, m, deterministic) +} +func (dst *EnumValueDescriptorProto) XXX_Merge(src proto.Message) { + xxx_messageInfo_EnumValueDescriptorProto.Merge(dst, src) +} +func (m *EnumValueDescriptorProto) XXX_Size() int { + return xxx_messageInfo_EnumValueDescriptorProto.Size(m) +} +func (m *EnumValueDescriptorProto) XXX_DiscardUnknown() { + xxx_messageInfo_EnumValueDescriptorProto.DiscardUnknown(m) +} + +var xxx_messageInfo_EnumValueDescriptorProto proto.InternalMessageInfo func (m *EnumValueDescriptorProto) GetName() string { if m != nil && m.Name != nil { @@ -829,16 +1123,37 @@ func (m *EnumValueDescriptorProto) GetOptions() *EnumValueOptions { // Describes a service. type ServiceDescriptorProto struct { - Name *string `protobuf:"bytes,1,opt,name=name" json:"name,omitempty"` - Method []*MethodDescriptorProto `protobuf:"bytes,2,rep,name=method" json:"method,omitempty"` - Options *ServiceOptions `protobuf:"bytes,3,opt,name=options" json:"options,omitempty"` - XXX_unrecognized []byte `json:"-"` + Name *string `protobuf:"bytes,1,opt,name=name" json:"name,omitempty"` + Method []*MethodDescriptorProto `protobuf:"bytes,2,rep,name=method" json:"method,omitempty"` + Options *ServiceOptions `protobuf:"bytes,3,opt,name=options" json:"options,omitempty"` + XXX_NoUnkeyedLiteral struct{} `json:"-"` + XXX_unrecognized []byte `json:"-"` + XXX_sizecache int32 `json:"-"` +} + +func (m *ServiceDescriptorProto) Reset() { *m = ServiceDescriptorProto{} } +func (m *ServiceDescriptorProto) String() string { return proto.CompactTextString(m) } +func (*ServiceDescriptorProto) ProtoMessage() {} +func (*ServiceDescriptorProto) Descriptor() ([]byte, []int) { + return fileDescriptor_descriptor_4df4cb5f42392df6, []int{8} +} +func (m *ServiceDescriptorProto) XXX_Unmarshal(b []byte) error { + return xxx_messageInfo_ServiceDescriptorProto.Unmarshal(m, b) +} +func (m *ServiceDescriptorProto) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) { + return xxx_messageInfo_ServiceDescriptorProto.Marshal(b, m, deterministic) +} +func (dst *ServiceDescriptorProto) XXX_Merge(src proto.Message) { + xxx_messageInfo_ServiceDescriptorProto.Merge(dst, src) +} +func (m *ServiceDescriptorProto) XXX_Size() int { + return xxx_messageInfo_ServiceDescriptorProto.Size(m) +} +func (m *ServiceDescriptorProto) XXX_DiscardUnknown() { + xxx_messageInfo_ServiceDescriptorProto.DiscardUnknown(m) } -func (m *ServiceDescriptorProto) Reset() { *m = ServiceDescriptorProto{} } -func (m *ServiceDescriptorProto) String() string { return proto.CompactTextString(m) } -func (*ServiceDescriptorProto) ProtoMessage() {} -func (*ServiceDescriptorProto) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{7} } +var xxx_messageInfo_ServiceDescriptorProto proto.InternalMessageInfo func (m *ServiceDescriptorProto) GetName() string { if m != nil && m.Name != nil { @@ -872,14 +1187,35 @@ type MethodDescriptorProto struct { // Identifies if client streams multiple client messages ClientStreaming *bool `protobuf:"varint,5,opt,name=client_streaming,json=clientStreaming,def=0" json:"client_streaming,omitempty"` // Identifies if server streams multiple server messages - ServerStreaming *bool `protobuf:"varint,6,opt,name=server_streaming,json=serverStreaming,def=0" json:"server_streaming,omitempty"` - XXX_unrecognized []byte `json:"-"` + ServerStreaming *bool `protobuf:"varint,6,opt,name=server_streaming,json=serverStreaming,def=0" json:"server_streaming,omitempty"` + XXX_NoUnkeyedLiteral struct{} `json:"-"` + XXX_unrecognized []byte `json:"-"` + XXX_sizecache int32 `json:"-"` } -func (m *MethodDescriptorProto) Reset() { *m = MethodDescriptorProto{} } -func (m *MethodDescriptorProto) String() string { return proto.CompactTextString(m) } -func (*MethodDescriptorProto) ProtoMessage() {} -func (*MethodDescriptorProto) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{8} } +func (m *MethodDescriptorProto) Reset() { *m = MethodDescriptorProto{} } +func (m *MethodDescriptorProto) String() string { return proto.CompactTextString(m) } +func (*MethodDescriptorProto) ProtoMessage() {} +func (*MethodDescriptorProto) Descriptor() ([]byte, []int) { + return fileDescriptor_descriptor_4df4cb5f42392df6, []int{9} +} +func (m *MethodDescriptorProto) XXX_Unmarshal(b []byte) error { + return xxx_messageInfo_MethodDescriptorProto.Unmarshal(m, b) +} +func (m *MethodDescriptorProto) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) { + return xxx_messageInfo_MethodDescriptorProto.Marshal(b, m, deterministic) +} +func (dst *MethodDescriptorProto) XXX_Merge(src proto.Message) { + xxx_messageInfo_MethodDescriptorProto.Merge(dst, src) +} +func (m *MethodDescriptorProto) XXX_Size() int { + return xxx_messageInfo_MethodDescriptorProto.Size(m) +} +func (m *MethodDescriptorProto) XXX_DiscardUnknown() { + xxx_messageInfo_MethodDescriptorProto.DiscardUnknown(m) +} + +var xxx_messageInfo_MethodDescriptorProto proto.InternalMessageInfo const Default_MethodDescriptorProto_ClientStreaming bool = false const Default_MethodDescriptorProto_ServerStreaming bool = false @@ -946,7 +1282,7 @@ type FileOptions struct { // top-level extensions defined in the file. JavaMultipleFiles *bool `protobuf:"varint,10,opt,name=java_multiple_files,json=javaMultipleFiles,def=0" json:"java_multiple_files,omitempty"` // This option does nothing. - JavaGenerateEqualsAndHash *bool `protobuf:"varint,20,opt,name=java_generate_equals_and_hash,json=javaGenerateEqualsAndHash" json:"java_generate_equals_and_hash,omitempty"` + JavaGenerateEqualsAndHash *bool `protobuf:"varint,20,opt,name=java_generate_equals_and_hash,json=javaGenerateEqualsAndHash" json:"java_generate_equals_and_hash,omitempty"` // Deprecated: Do not use. // If set true, then the Java2 code generator will generate code that // throws an exception whenever an attempt is made to assign a non-UTF-8 // byte sequence to a string field. @@ -974,6 +1310,7 @@ type FileOptions struct { CcGenericServices *bool `protobuf:"varint,16,opt,name=cc_generic_services,json=ccGenericServices,def=0" json:"cc_generic_services,omitempty"` JavaGenericServices *bool `protobuf:"varint,17,opt,name=java_generic_services,json=javaGenericServices,def=0" json:"java_generic_services,omitempty"` PyGenericServices *bool `protobuf:"varint,18,opt,name=py_generic_services,json=pyGenericServices,def=0" json:"py_generic_services,omitempty"` + PhpGenericServices *bool `protobuf:"varint,42,opt,name=php_generic_services,json=phpGenericServices,def=0" json:"php_generic_services,omitempty"` // Is this file deprecated? // Depending on the target platform, this can emit Deprecated annotations // for everything in the file, or it will be completely ignored; in the very @@ -995,24 +1332,50 @@ type FileOptions struct { // Sets the php class prefix which is prepended to all php generated classes // from this .proto. Default is empty. PhpClassPrefix *string `protobuf:"bytes,40,opt,name=php_class_prefix,json=phpClassPrefix" json:"php_class_prefix,omitempty"` - // The parser stores options it doesn't recognize here. See above. + // Use this option to change the namespace of php generated classes. Default + // is empty. When this option is empty, the package name will be used for + // determining the namespace. + PhpNamespace *string `protobuf:"bytes,41,opt,name=php_namespace,json=phpNamespace" json:"php_namespace,omitempty"` + // The parser stores options it doesn't recognize here. + // See the documentation for the "Options" section above. UninterpretedOption []*UninterpretedOption `protobuf:"bytes,999,rep,name=uninterpreted_option,json=uninterpretedOption" json:"uninterpreted_option,omitempty"` + XXX_NoUnkeyedLiteral struct{} `json:"-"` proto.XXX_InternalExtensions `json:"-"` XXX_unrecognized []byte `json:"-"` + XXX_sizecache int32 `json:"-"` } -func (m *FileOptions) Reset() { *m = FileOptions{} } -func (m *FileOptions) String() string { return proto.CompactTextString(m) } -func (*FileOptions) ProtoMessage() {} -func (*FileOptions) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{9} } +func (m *FileOptions) Reset() { *m = FileOptions{} } +func (m *FileOptions) String() string { return proto.CompactTextString(m) } +func (*FileOptions) ProtoMessage() {} +func (*FileOptions) Descriptor() ([]byte, []int) { + return fileDescriptor_descriptor_4df4cb5f42392df6, []int{10} +} var extRange_FileOptions = []proto.ExtensionRange{ - {1000, 536870911}, + {Start: 1000, End: 536870911}, } func (*FileOptions) ExtensionRangeArray() []proto.ExtensionRange { return extRange_FileOptions } +func (m *FileOptions) XXX_Unmarshal(b []byte) error { + return xxx_messageInfo_FileOptions.Unmarshal(m, b) +} +func (m *FileOptions) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) { + return xxx_messageInfo_FileOptions.Marshal(b, m, deterministic) +} +func (dst *FileOptions) XXX_Merge(src proto.Message) { + xxx_messageInfo_FileOptions.Merge(dst, src) +} +func (m *FileOptions) XXX_Size() int { + return xxx_messageInfo_FileOptions.Size(m) +} +func (m *FileOptions) XXX_DiscardUnknown() { + xxx_messageInfo_FileOptions.DiscardUnknown(m) +} + +var xxx_messageInfo_FileOptions proto.InternalMessageInfo const Default_FileOptions_JavaMultipleFiles bool = false const Default_FileOptions_JavaStringCheckUtf8 bool = false @@ -1020,6 +1383,7 @@ const Default_FileOptions_OptimizeFor FileOptions_OptimizeMode = FileOptions_SPE const Default_FileOptions_CcGenericServices bool = false const Default_FileOptions_JavaGenericServices bool = false const Default_FileOptions_PyGenericServices bool = false +const Default_FileOptions_PhpGenericServices bool = false const Default_FileOptions_Deprecated bool = false const Default_FileOptions_CcEnableArenas bool = false @@ -1044,6 +1408,7 @@ func (m *FileOptions) GetJavaMultipleFiles() bool { return Default_FileOptions_JavaMultipleFiles } +// Deprecated: Do not use. func (m *FileOptions) GetJavaGenerateEqualsAndHash() bool { if m != nil && m.JavaGenerateEqualsAndHash != nil { return *m.JavaGenerateEqualsAndHash @@ -1093,6 +1458,13 @@ func (m *FileOptions) GetPyGenericServices() bool { return Default_FileOptions_PyGenericServices } +func (m *FileOptions) GetPhpGenericServices() bool { + if m != nil && m.PhpGenericServices != nil { + return *m.PhpGenericServices + } + return Default_FileOptions_PhpGenericServices +} + func (m *FileOptions) GetDeprecated() bool { if m != nil && m.Deprecated != nil { return *m.Deprecated @@ -1135,6 +1507,13 @@ func (m *FileOptions) GetPhpClassPrefix() string { return "" } +func (m *FileOptions) GetPhpNamespace() string { + if m != nil && m.PhpNamespace != nil { + return *m.PhpNamespace + } + return "" +} + func (m *FileOptions) GetUninterpretedOption() []*UninterpretedOption { if m != nil { return m.UninterpretedOption @@ -1195,22 +1574,43 @@ type MessageOptions struct { MapEntry *bool `protobuf:"varint,7,opt,name=map_entry,json=mapEntry" json:"map_entry,omitempty"` // The parser stores options it doesn't recognize here. See above. UninterpretedOption []*UninterpretedOption `protobuf:"bytes,999,rep,name=uninterpreted_option,json=uninterpretedOption" json:"uninterpreted_option,omitempty"` + XXX_NoUnkeyedLiteral struct{} `json:"-"` proto.XXX_InternalExtensions `json:"-"` XXX_unrecognized []byte `json:"-"` + XXX_sizecache int32 `json:"-"` } -func (m *MessageOptions) Reset() { *m = MessageOptions{} } -func (m *MessageOptions) String() string { return proto.CompactTextString(m) } -func (*MessageOptions) ProtoMessage() {} -func (*MessageOptions) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{10} } +func (m *MessageOptions) Reset() { *m = MessageOptions{} } +func (m *MessageOptions) String() string { return proto.CompactTextString(m) } +func (*MessageOptions) ProtoMessage() {} +func (*MessageOptions) Descriptor() ([]byte, []int) { + return fileDescriptor_descriptor_4df4cb5f42392df6, []int{11} +} var extRange_MessageOptions = []proto.ExtensionRange{ - {1000, 536870911}, + {Start: 1000, End: 536870911}, } func (*MessageOptions) ExtensionRangeArray() []proto.ExtensionRange { return extRange_MessageOptions } +func (m *MessageOptions) XXX_Unmarshal(b []byte) error { + return xxx_messageInfo_MessageOptions.Unmarshal(m, b) +} +func (m *MessageOptions) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) { + return xxx_messageInfo_MessageOptions.Marshal(b, m, deterministic) +} +func (dst *MessageOptions) XXX_Merge(src proto.Message) { + xxx_messageInfo_MessageOptions.Merge(dst, src) +} +func (m *MessageOptions) XXX_Size() int { + return xxx_messageInfo_MessageOptions.Size(m) +} +func (m *MessageOptions) XXX_DiscardUnknown() { + xxx_messageInfo_MessageOptions.DiscardUnknown(m) +} + +var xxx_messageInfo_MessageOptions proto.InternalMessageInfo const Default_MessageOptions_MessageSetWireFormat bool = false const Default_MessageOptions_NoStandardDescriptorAccessor bool = false @@ -1265,13 +1665,15 @@ type FieldOptions struct { Packed *bool `protobuf:"varint,2,opt,name=packed" json:"packed,omitempty"` // The jstype option determines the JavaScript type used for values of the // field. The option is permitted only for 64 bit integral and fixed types - // (int64, uint64, sint64, fixed64, sfixed64). By default these types are - // represented as JavaScript strings. This avoids loss of precision that can - // happen when a large value is converted to a floating point JavaScript - // numbers. Specifying JS_NUMBER for the jstype causes the generated - // JavaScript code to use the JavaScript "number" type instead of strings. - // This option is an enum to permit additional types to be added, - // e.g. goog.math.Integer. + // (int64, uint64, sint64, fixed64, sfixed64). A field with jstype JS_STRING + // is represented as JavaScript string, which avoids loss of precision that + // can happen when a large value is converted to a floating point JavaScript. + // Specifying JS_NUMBER for the jstype causes the generated JavaScript code to + // use the JavaScript "number" type. The behavior of the default option + // JS_NORMAL is implementation dependent. + // + // This option is an enum to permit additional types to be added, e.g. + // goog.math.Integer. Jstype *FieldOptions_JSType `protobuf:"varint,6,opt,name=jstype,enum=google.protobuf.FieldOptions_JSType,def=0" json:"jstype,omitempty"` // Should this field be parsed lazily? Lazy applies only to message-type // fields. It means that when the outer message is initially parsed, the @@ -1311,22 +1713,43 @@ type FieldOptions struct { Weak *bool `protobuf:"varint,10,opt,name=weak,def=0" json:"weak,omitempty"` // The parser stores options it doesn't recognize here. See above. UninterpretedOption []*UninterpretedOption `protobuf:"bytes,999,rep,name=uninterpreted_option,json=uninterpretedOption" json:"uninterpreted_option,omitempty"` + XXX_NoUnkeyedLiteral struct{} `json:"-"` proto.XXX_InternalExtensions `json:"-"` XXX_unrecognized []byte `json:"-"` + XXX_sizecache int32 `json:"-"` } -func (m *FieldOptions) Reset() { *m = FieldOptions{} } -func (m *FieldOptions) String() string { return proto.CompactTextString(m) } -func (*FieldOptions) ProtoMessage() {} -func (*FieldOptions) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{11} } +func (m *FieldOptions) Reset() { *m = FieldOptions{} } +func (m *FieldOptions) String() string { return proto.CompactTextString(m) } +func (*FieldOptions) ProtoMessage() {} +func (*FieldOptions) Descriptor() ([]byte, []int) { + return fileDescriptor_descriptor_4df4cb5f42392df6, []int{12} +} var extRange_FieldOptions = []proto.ExtensionRange{ - {1000, 536870911}, + {Start: 1000, End: 536870911}, } func (*FieldOptions) ExtensionRangeArray() []proto.ExtensionRange { return extRange_FieldOptions } +func (m *FieldOptions) XXX_Unmarshal(b []byte) error { + return xxx_messageInfo_FieldOptions.Unmarshal(m, b) +} +func (m *FieldOptions) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) { + return xxx_messageInfo_FieldOptions.Marshal(b, m, deterministic) +} +func (dst *FieldOptions) XXX_Merge(src proto.Message) { + xxx_messageInfo_FieldOptions.Merge(dst, src) +} +func (m *FieldOptions) XXX_Size() int { + return xxx_messageInfo_FieldOptions.Size(m) +} +func (m *FieldOptions) XXX_DiscardUnknown() { + xxx_messageInfo_FieldOptions.DiscardUnknown(m) +} + +var xxx_messageInfo_FieldOptions proto.InternalMessageInfo const Default_FieldOptions_Ctype FieldOptions_CType = FieldOptions_STRING const Default_FieldOptions_Jstype FieldOptions_JSType = FieldOptions_JS_NORMAL @@ -1386,22 +1809,43 @@ func (m *FieldOptions) GetUninterpretedOption() []*UninterpretedOption { type OneofOptions struct { // The parser stores options it doesn't recognize here. See above. UninterpretedOption []*UninterpretedOption `protobuf:"bytes,999,rep,name=uninterpreted_option,json=uninterpretedOption" json:"uninterpreted_option,omitempty"` + XXX_NoUnkeyedLiteral struct{} `json:"-"` proto.XXX_InternalExtensions `json:"-"` XXX_unrecognized []byte `json:"-"` + XXX_sizecache int32 `json:"-"` } -func (m *OneofOptions) Reset() { *m = OneofOptions{} } -func (m *OneofOptions) String() string { return proto.CompactTextString(m) } -func (*OneofOptions) ProtoMessage() {} -func (*OneofOptions) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{12} } +func (m *OneofOptions) Reset() { *m = OneofOptions{} } +func (m *OneofOptions) String() string { return proto.CompactTextString(m) } +func (*OneofOptions) ProtoMessage() {} +func (*OneofOptions) Descriptor() ([]byte, []int) { + return fileDescriptor_descriptor_4df4cb5f42392df6, []int{13} +} var extRange_OneofOptions = []proto.ExtensionRange{ - {1000, 536870911}, + {Start: 1000, End: 536870911}, } func (*OneofOptions) ExtensionRangeArray() []proto.ExtensionRange { return extRange_OneofOptions } +func (m *OneofOptions) XXX_Unmarshal(b []byte) error { + return xxx_messageInfo_OneofOptions.Unmarshal(m, b) +} +func (m *OneofOptions) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) { + return xxx_messageInfo_OneofOptions.Marshal(b, m, deterministic) +} +func (dst *OneofOptions) XXX_Merge(src proto.Message) { + xxx_messageInfo_OneofOptions.Merge(dst, src) +} +func (m *OneofOptions) XXX_Size() int { + return xxx_messageInfo_OneofOptions.Size(m) +} +func (m *OneofOptions) XXX_DiscardUnknown() { + xxx_messageInfo_OneofOptions.DiscardUnknown(m) +} + +var xxx_messageInfo_OneofOptions proto.InternalMessageInfo func (m *OneofOptions) GetUninterpretedOption() []*UninterpretedOption { if m != nil { @@ -1421,22 +1865,43 @@ type EnumOptions struct { Deprecated *bool `protobuf:"varint,3,opt,name=deprecated,def=0" json:"deprecated,omitempty"` // The parser stores options it doesn't recognize here. See above. UninterpretedOption []*UninterpretedOption `protobuf:"bytes,999,rep,name=uninterpreted_option,json=uninterpretedOption" json:"uninterpreted_option,omitempty"` + XXX_NoUnkeyedLiteral struct{} `json:"-"` proto.XXX_InternalExtensions `json:"-"` XXX_unrecognized []byte `json:"-"` + XXX_sizecache int32 `json:"-"` } -func (m *EnumOptions) Reset() { *m = EnumOptions{} } -func (m *EnumOptions) String() string { return proto.CompactTextString(m) } -func (*EnumOptions) ProtoMessage() {} -func (*EnumOptions) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{13} } +func (m *EnumOptions) Reset() { *m = EnumOptions{} } +func (m *EnumOptions) String() string { return proto.CompactTextString(m) } +func (*EnumOptions) ProtoMessage() {} +func (*EnumOptions) Descriptor() ([]byte, []int) { + return fileDescriptor_descriptor_4df4cb5f42392df6, []int{14} +} var extRange_EnumOptions = []proto.ExtensionRange{ - {1000, 536870911}, + {Start: 1000, End: 536870911}, } func (*EnumOptions) ExtensionRangeArray() []proto.ExtensionRange { return extRange_EnumOptions } +func (m *EnumOptions) XXX_Unmarshal(b []byte) error { + return xxx_messageInfo_EnumOptions.Unmarshal(m, b) +} +func (m *EnumOptions) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) { + return xxx_messageInfo_EnumOptions.Marshal(b, m, deterministic) +} +func (dst *EnumOptions) XXX_Merge(src proto.Message) { + xxx_messageInfo_EnumOptions.Merge(dst, src) +} +func (m *EnumOptions) XXX_Size() int { + return xxx_messageInfo_EnumOptions.Size(m) +} +func (m *EnumOptions) XXX_DiscardUnknown() { + xxx_messageInfo_EnumOptions.DiscardUnknown(m) +} + +var xxx_messageInfo_EnumOptions proto.InternalMessageInfo const Default_EnumOptions_Deprecated bool = false @@ -1469,22 +1934,43 @@ type EnumValueOptions struct { Deprecated *bool `protobuf:"varint,1,opt,name=deprecated,def=0" json:"deprecated,omitempty"` // The parser stores options it doesn't recognize here. See above. UninterpretedOption []*UninterpretedOption `protobuf:"bytes,999,rep,name=uninterpreted_option,json=uninterpretedOption" json:"uninterpreted_option,omitempty"` + XXX_NoUnkeyedLiteral struct{} `json:"-"` proto.XXX_InternalExtensions `json:"-"` XXX_unrecognized []byte `json:"-"` + XXX_sizecache int32 `json:"-"` } -func (m *EnumValueOptions) Reset() { *m = EnumValueOptions{} } -func (m *EnumValueOptions) String() string { return proto.CompactTextString(m) } -func (*EnumValueOptions) ProtoMessage() {} -func (*EnumValueOptions) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{14} } +func (m *EnumValueOptions) Reset() { *m = EnumValueOptions{} } +func (m *EnumValueOptions) String() string { return proto.CompactTextString(m) } +func (*EnumValueOptions) ProtoMessage() {} +func (*EnumValueOptions) Descriptor() ([]byte, []int) { + return fileDescriptor_descriptor_4df4cb5f42392df6, []int{15} +} var extRange_EnumValueOptions = []proto.ExtensionRange{ - {1000, 536870911}, + {Start: 1000, End: 536870911}, } func (*EnumValueOptions) ExtensionRangeArray() []proto.ExtensionRange { return extRange_EnumValueOptions } +func (m *EnumValueOptions) XXX_Unmarshal(b []byte) error { + return xxx_messageInfo_EnumValueOptions.Unmarshal(m, b) +} +func (m *EnumValueOptions) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) { + return xxx_messageInfo_EnumValueOptions.Marshal(b, m, deterministic) +} +func (dst *EnumValueOptions) XXX_Merge(src proto.Message) { + xxx_messageInfo_EnumValueOptions.Merge(dst, src) +} +func (m *EnumValueOptions) XXX_Size() int { + return xxx_messageInfo_EnumValueOptions.Size(m) +} +func (m *EnumValueOptions) XXX_DiscardUnknown() { + xxx_messageInfo_EnumValueOptions.DiscardUnknown(m) +} + +var xxx_messageInfo_EnumValueOptions proto.InternalMessageInfo const Default_EnumValueOptions_Deprecated bool = false @@ -1510,22 +1996,43 @@ type ServiceOptions struct { Deprecated *bool `protobuf:"varint,33,opt,name=deprecated,def=0" json:"deprecated,omitempty"` // The parser stores options it doesn't recognize here. See above. UninterpretedOption []*UninterpretedOption `protobuf:"bytes,999,rep,name=uninterpreted_option,json=uninterpretedOption" json:"uninterpreted_option,omitempty"` + XXX_NoUnkeyedLiteral struct{} `json:"-"` proto.XXX_InternalExtensions `json:"-"` XXX_unrecognized []byte `json:"-"` + XXX_sizecache int32 `json:"-"` } -func (m *ServiceOptions) Reset() { *m = ServiceOptions{} } -func (m *ServiceOptions) String() string { return proto.CompactTextString(m) } -func (*ServiceOptions) ProtoMessage() {} -func (*ServiceOptions) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{15} } +func (m *ServiceOptions) Reset() { *m = ServiceOptions{} } +func (m *ServiceOptions) String() string { return proto.CompactTextString(m) } +func (*ServiceOptions) ProtoMessage() {} +func (*ServiceOptions) Descriptor() ([]byte, []int) { + return fileDescriptor_descriptor_4df4cb5f42392df6, []int{16} +} var extRange_ServiceOptions = []proto.ExtensionRange{ - {1000, 536870911}, + {Start: 1000, End: 536870911}, } func (*ServiceOptions) ExtensionRangeArray() []proto.ExtensionRange { return extRange_ServiceOptions } +func (m *ServiceOptions) XXX_Unmarshal(b []byte) error { + return xxx_messageInfo_ServiceOptions.Unmarshal(m, b) +} +func (m *ServiceOptions) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) { + return xxx_messageInfo_ServiceOptions.Marshal(b, m, deterministic) +} +func (dst *ServiceOptions) XXX_Merge(src proto.Message) { + xxx_messageInfo_ServiceOptions.Merge(dst, src) +} +func (m *ServiceOptions) XXX_Size() int { + return xxx_messageInfo_ServiceOptions.Size(m) +} +func (m *ServiceOptions) XXX_DiscardUnknown() { + xxx_messageInfo_ServiceOptions.DiscardUnknown(m) +} + +var xxx_messageInfo_ServiceOptions proto.InternalMessageInfo const Default_ServiceOptions_Deprecated bool = false @@ -1552,22 +2059,43 @@ type MethodOptions struct { IdempotencyLevel *MethodOptions_IdempotencyLevel `protobuf:"varint,34,opt,name=idempotency_level,json=idempotencyLevel,enum=google.protobuf.MethodOptions_IdempotencyLevel,def=0" json:"idempotency_level,omitempty"` // The parser stores options it doesn't recognize here. See above. UninterpretedOption []*UninterpretedOption `protobuf:"bytes,999,rep,name=uninterpreted_option,json=uninterpretedOption" json:"uninterpreted_option,omitempty"` + XXX_NoUnkeyedLiteral struct{} `json:"-"` proto.XXX_InternalExtensions `json:"-"` XXX_unrecognized []byte `json:"-"` + XXX_sizecache int32 `json:"-"` } -func (m *MethodOptions) Reset() { *m = MethodOptions{} } -func (m *MethodOptions) String() string { return proto.CompactTextString(m) } -func (*MethodOptions) ProtoMessage() {} -func (*MethodOptions) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{16} } +func (m *MethodOptions) Reset() { *m = MethodOptions{} } +func (m *MethodOptions) String() string { return proto.CompactTextString(m) } +func (*MethodOptions) ProtoMessage() {} +func (*MethodOptions) Descriptor() ([]byte, []int) { + return fileDescriptor_descriptor_4df4cb5f42392df6, []int{17} +} var extRange_MethodOptions = []proto.ExtensionRange{ - {1000, 536870911}, + {Start: 1000, End: 536870911}, } func (*MethodOptions) ExtensionRangeArray() []proto.ExtensionRange { return extRange_MethodOptions } +func (m *MethodOptions) XXX_Unmarshal(b []byte) error { + return xxx_messageInfo_MethodOptions.Unmarshal(m, b) +} +func (m *MethodOptions) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) { + return xxx_messageInfo_MethodOptions.Marshal(b, m, deterministic) +} +func (dst *MethodOptions) XXX_Merge(src proto.Message) { + xxx_messageInfo_MethodOptions.Merge(dst, src) +} +func (m *MethodOptions) XXX_Size() int { + return xxx_messageInfo_MethodOptions.Size(m) +} +func (m *MethodOptions) XXX_DiscardUnknown() { + xxx_messageInfo_MethodOptions.DiscardUnknown(m) +} + +var xxx_messageInfo_MethodOptions proto.InternalMessageInfo const Default_MethodOptions_Deprecated bool = false const Default_MethodOptions_IdempotencyLevel MethodOptions_IdempotencyLevel = MethodOptions_IDEMPOTENCY_UNKNOWN @@ -1603,19 +2131,40 @@ type UninterpretedOption struct { Name []*UninterpretedOption_NamePart `protobuf:"bytes,2,rep,name=name" json:"name,omitempty"` // The value of the uninterpreted option, in whatever type the tokenizer // identified it as during parsing. Exactly one of these should be set. - IdentifierValue *string `protobuf:"bytes,3,opt,name=identifier_value,json=identifierValue" json:"identifier_value,omitempty"` - PositiveIntValue *uint64 `protobuf:"varint,4,opt,name=positive_int_value,json=positiveIntValue" json:"positive_int_value,omitempty"` - NegativeIntValue *int64 `protobuf:"varint,5,opt,name=negative_int_value,json=negativeIntValue" json:"negative_int_value,omitempty"` - DoubleValue *float64 `protobuf:"fixed64,6,opt,name=double_value,json=doubleValue" json:"double_value,omitempty"` - StringValue []byte `protobuf:"bytes,7,opt,name=string_value,json=stringValue" json:"string_value,omitempty"` - AggregateValue *string `protobuf:"bytes,8,opt,name=aggregate_value,json=aggregateValue" json:"aggregate_value,omitempty"` - XXX_unrecognized []byte `json:"-"` + IdentifierValue *string `protobuf:"bytes,3,opt,name=identifier_value,json=identifierValue" json:"identifier_value,omitempty"` + PositiveIntValue *uint64 `protobuf:"varint,4,opt,name=positive_int_value,json=positiveIntValue" json:"positive_int_value,omitempty"` + NegativeIntValue *int64 `protobuf:"varint,5,opt,name=negative_int_value,json=negativeIntValue" json:"negative_int_value,omitempty"` + DoubleValue *float64 `protobuf:"fixed64,6,opt,name=double_value,json=doubleValue" json:"double_value,omitempty"` + StringValue []byte `protobuf:"bytes,7,opt,name=string_value,json=stringValue" json:"string_value,omitempty"` + AggregateValue *string `protobuf:"bytes,8,opt,name=aggregate_value,json=aggregateValue" json:"aggregate_value,omitempty"` + XXX_NoUnkeyedLiteral struct{} `json:"-"` + XXX_unrecognized []byte `json:"-"` + XXX_sizecache int32 `json:"-"` } -func (m *UninterpretedOption) Reset() { *m = UninterpretedOption{} } -func (m *UninterpretedOption) String() string { return proto.CompactTextString(m) } -func (*UninterpretedOption) ProtoMessage() {} -func (*UninterpretedOption) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{17} } +func (m *UninterpretedOption) Reset() { *m = UninterpretedOption{} } +func (m *UninterpretedOption) String() string { return proto.CompactTextString(m) } +func (*UninterpretedOption) ProtoMessage() {} +func (*UninterpretedOption) Descriptor() ([]byte, []int) { + return fileDescriptor_descriptor_4df4cb5f42392df6, []int{18} +} +func (m *UninterpretedOption) XXX_Unmarshal(b []byte) error { + return xxx_messageInfo_UninterpretedOption.Unmarshal(m, b) +} +func (m *UninterpretedOption) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) { + return xxx_messageInfo_UninterpretedOption.Marshal(b, m, deterministic) +} +func (dst *UninterpretedOption) XXX_Merge(src proto.Message) { + xxx_messageInfo_UninterpretedOption.Merge(dst, src) +} +func (m *UninterpretedOption) XXX_Size() int { + return xxx_messageInfo_UninterpretedOption.Size(m) +} +func (m *UninterpretedOption) XXX_DiscardUnknown() { + xxx_messageInfo_UninterpretedOption.DiscardUnknown(m) +} + +var xxx_messageInfo_UninterpretedOption proto.InternalMessageInfo func (m *UninterpretedOption) GetName() []*UninterpretedOption_NamePart { if m != nil { @@ -1672,18 +2221,37 @@ func (m *UninterpretedOption) GetAggregateValue() string { // E.g.,{ ["foo", false], ["bar.baz", true], ["qux", false] } represents // "foo.(bar.baz).qux". type UninterpretedOption_NamePart struct { - NamePart *string `protobuf:"bytes,1,req,name=name_part,json=namePart" json:"name_part,omitempty"` - IsExtension *bool `protobuf:"varint,2,req,name=is_extension,json=isExtension" json:"is_extension,omitempty"` - XXX_unrecognized []byte `json:"-"` + NamePart *string `protobuf:"bytes,1,req,name=name_part,json=namePart" json:"name_part,omitempty"` + IsExtension *bool `protobuf:"varint,2,req,name=is_extension,json=isExtension" json:"is_extension,omitempty"` + XXX_NoUnkeyedLiteral struct{} `json:"-"` + XXX_unrecognized []byte `json:"-"` + XXX_sizecache int32 `json:"-"` } func (m *UninterpretedOption_NamePart) Reset() { *m = UninterpretedOption_NamePart{} } func (m *UninterpretedOption_NamePart) String() string { return proto.CompactTextString(m) } func (*UninterpretedOption_NamePart) ProtoMessage() {} func (*UninterpretedOption_NamePart) Descriptor() ([]byte, []int) { - return fileDescriptor0, []int{17, 0} + return fileDescriptor_descriptor_4df4cb5f42392df6, []int{18, 0} +} +func (m *UninterpretedOption_NamePart) XXX_Unmarshal(b []byte) error { + return xxx_messageInfo_UninterpretedOption_NamePart.Unmarshal(m, b) +} +func (m *UninterpretedOption_NamePart) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) { + return xxx_messageInfo_UninterpretedOption_NamePart.Marshal(b, m, deterministic) +} +func (dst *UninterpretedOption_NamePart) XXX_Merge(src proto.Message) { + xxx_messageInfo_UninterpretedOption_NamePart.Merge(dst, src) +} +func (m *UninterpretedOption_NamePart) XXX_Size() int { + return xxx_messageInfo_UninterpretedOption_NamePart.Size(m) +} +func (m *UninterpretedOption_NamePart) XXX_DiscardUnknown() { + xxx_messageInfo_UninterpretedOption_NamePart.DiscardUnknown(m) } +var xxx_messageInfo_UninterpretedOption_NamePart proto.InternalMessageInfo + func (m *UninterpretedOption_NamePart) GetNamePart() string { if m != nil && m.NamePart != nil { return *m.NamePart @@ -1744,14 +2312,35 @@ type SourceCodeInfo struct { // - Code which tries to interpret locations should probably be designed to // ignore those that it doesn't understand, as more types of locations could // be recorded in the future. - Location []*SourceCodeInfo_Location `protobuf:"bytes,1,rep,name=location" json:"location,omitempty"` - XXX_unrecognized []byte `json:"-"` + Location []*SourceCodeInfo_Location `protobuf:"bytes,1,rep,name=location" json:"location,omitempty"` + XXX_NoUnkeyedLiteral struct{} `json:"-"` + XXX_unrecognized []byte `json:"-"` + XXX_sizecache int32 `json:"-"` +} + +func (m *SourceCodeInfo) Reset() { *m = SourceCodeInfo{} } +func (m *SourceCodeInfo) String() string { return proto.CompactTextString(m) } +func (*SourceCodeInfo) ProtoMessage() {} +func (*SourceCodeInfo) Descriptor() ([]byte, []int) { + return fileDescriptor_descriptor_4df4cb5f42392df6, []int{19} +} +func (m *SourceCodeInfo) XXX_Unmarshal(b []byte) error { + return xxx_messageInfo_SourceCodeInfo.Unmarshal(m, b) +} +func (m *SourceCodeInfo) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) { + return xxx_messageInfo_SourceCodeInfo.Marshal(b, m, deterministic) +} +func (dst *SourceCodeInfo) XXX_Merge(src proto.Message) { + xxx_messageInfo_SourceCodeInfo.Merge(dst, src) +} +func (m *SourceCodeInfo) XXX_Size() int { + return xxx_messageInfo_SourceCodeInfo.Size(m) +} +func (m *SourceCodeInfo) XXX_DiscardUnknown() { + xxx_messageInfo_SourceCodeInfo.DiscardUnknown(m) } -func (m *SourceCodeInfo) Reset() { *m = SourceCodeInfo{} } -func (m *SourceCodeInfo) String() string { return proto.CompactTextString(m) } -func (*SourceCodeInfo) ProtoMessage() {} -func (*SourceCodeInfo) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{18} } +var xxx_messageInfo_SourceCodeInfo proto.InternalMessageInfo func (m *SourceCodeInfo) GetLocation() []*SourceCodeInfo_Location { if m != nil { @@ -1841,13 +2430,34 @@ type SourceCodeInfo_Location struct { LeadingComments *string `protobuf:"bytes,3,opt,name=leading_comments,json=leadingComments" json:"leading_comments,omitempty"` TrailingComments *string `protobuf:"bytes,4,opt,name=trailing_comments,json=trailingComments" json:"trailing_comments,omitempty"` LeadingDetachedComments []string `protobuf:"bytes,6,rep,name=leading_detached_comments,json=leadingDetachedComments" json:"leading_detached_comments,omitempty"` + XXX_NoUnkeyedLiteral struct{} `json:"-"` XXX_unrecognized []byte `json:"-"` + XXX_sizecache int32 `json:"-"` } -func (m *SourceCodeInfo_Location) Reset() { *m = SourceCodeInfo_Location{} } -func (m *SourceCodeInfo_Location) String() string { return proto.CompactTextString(m) } -func (*SourceCodeInfo_Location) ProtoMessage() {} -func (*SourceCodeInfo_Location) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{18, 0} } +func (m *SourceCodeInfo_Location) Reset() { *m = SourceCodeInfo_Location{} } +func (m *SourceCodeInfo_Location) String() string { return proto.CompactTextString(m) } +func (*SourceCodeInfo_Location) ProtoMessage() {} +func (*SourceCodeInfo_Location) Descriptor() ([]byte, []int) { + return fileDescriptor_descriptor_4df4cb5f42392df6, []int{19, 0} +} +func (m *SourceCodeInfo_Location) XXX_Unmarshal(b []byte) error { + return xxx_messageInfo_SourceCodeInfo_Location.Unmarshal(m, b) +} +func (m *SourceCodeInfo_Location) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) { + return xxx_messageInfo_SourceCodeInfo_Location.Marshal(b, m, deterministic) +} +func (dst *SourceCodeInfo_Location) XXX_Merge(src proto.Message) { + xxx_messageInfo_SourceCodeInfo_Location.Merge(dst, src) +} +func (m *SourceCodeInfo_Location) XXX_Size() int { + return xxx_messageInfo_SourceCodeInfo_Location.Size(m) +} +func (m *SourceCodeInfo_Location) XXX_DiscardUnknown() { + xxx_messageInfo_SourceCodeInfo_Location.DiscardUnknown(m) +} + +var xxx_messageInfo_SourceCodeInfo_Location proto.InternalMessageInfo func (m *SourceCodeInfo_Location) GetPath() []int32 { if m != nil { @@ -1890,14 +2500,35 @@ func (m *SourceCodeInfo_Location) GetLeadingDetachedComments() []string { type GeneratedCodeInfo struct { // An Annotation connects some span of text in generated code to an element // of its generating .proto file. - Annotation []*GeneratedCodeInfo_Annotation `protobuf:"bytes,1,rep,name=annotation" json:"annotation,omitempty"` - XXX_unrecognized []byte `json:"-"` + Annotation []*GeneratedCodeInfo_Annotation `protobuf:"bytes,1,rep,name=annotation" json:"annotation,omitempty"` + XXX_NoUnkeyedLiteral struct{} `json:"-"` + XXX_unrecognized []byte `json:"-"` + XXX_sizecache int32 `json:"-"` +} + +func (m *GeneratedCodeInfo) Reset() { *m = GeneratedCodeInfo{} } +func (m *GeneratedCodeInfo) String() string { return proto.CompactTextString(m) } +func (*GeneratedCodeInfo) ProtoMessage() {} +func (*GeneratedCodeInfo) Descriptor() ([]byte, []int) { + return fileDescriptor_descriptor_4df4cb5f42392df6, []int{20} +} +func (m *GeneratedCodeInfo) XXX_Unmarshal(b []byte) error { + return xxx_messageInfo_GeneratedCodeInfo.Unmarshal(m, b) +} +func (m *GeneratedCodeInfo) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) { + return xxx_messageInfo_GeneratedCodeInfo.Marshal(b, m, deterministic) +} +func (dst *GeneratedCodeInfo) XXX_Merge(src proto.Message) { + xxx_messageInfo_GeneratedCodeInfo.Merge(dst, src) +} +func (m *GeneratedCodeInfo) XXX_Size() int { + return xxx_messageInfo_GeneratedCodeInfo.Size(m) +} +func (m *GeneratedCodeInfo) XXX_DiscardUnknown() { + xxx_messageInfo_GeneratedCodeInfo.DiscardUnknown(m) } -func (m *GeneratedCodeInfo) Reset() { *m = GeneratedCodeInfo{} } -func (m *GeneratedCodeInfo) String() string { return proto.CompactTextString(m) } -func (*GeneratedCodeInfo) ProtoMessage() {} -func (*GeneratedCodeInfo) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{19} } +var xxx_messageInfo_GeneratedCodeInfo proto.InternalMessageInfo func (m *GeneratedCodeInfo) GetAnnotation() []*GeneratedCodeInfo_Annotation { if m != nil { @@ -1918,16 +2549,35 @@ type GeneratedCodeInfo_Annotation struct { // Identifies the ending offset in bytes in the generated code that // relates to the identified offset. The end offset should be one past // the last relevant byte (so the length of the text = end - begin). - End *int32 `protobuf:"varint,4,opt,name=end" json:"end,omitempty"` - XXX_unrecognized []byte `json:"-"` + End *int32 `protobuf:"varint,4,opt,name=end" json:"end,omitempty"` + XXX_NoUnkeyedLiteral struct{} `json:"-"` + XXX_unrecognized []byte `json:"-"` + XXX_sizecache int32 `json:"-"` } func (m *GeneratedCodeInfo_Annotation) Reset() { *m = GeneratedCodeInfo_Annotation{} } func (m *GeneratedCodeInfo_Annotation) String() string { return proto.CompactTextString(m) } func (*GeneratedCodeInfo_Annotation) ProtoMessage() {} func (*GeneratedCodeInfo_Annotation) Descriptor() ([]byte, []int) { - return fileDescriptor0, []int{19, 0} + return fileDescriptor_descriptor_4df4cb5f42392df6, []int{20, 0} } +func (m *GeneratedCodeInfo_Annotation) XXX_Unmarshal(b []byte) error { + return xxx_messageInfo_GeneratedCodeInfo_Annotation.Unmarshal(m, b) +} +func (m *GeneratedCodeInfo_Annotation) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) { + return xxx_messageInfo_GeneratedCodeInfo_Annotation.Marshal(b, m, deterministic) +} +func (dst *GeneratedCodeInfo_Annotation) XXX_Merge(src proto.Message) { + xxx_messageInfo_GeneratedCodeInfo_Annotation.Merge(dst, src) +} +func (m *GeneratedCodeInfo_Annotation) XXX_Size() int { + return xxx_messageInfo_GeneratedCodeInfo_Annotation.Size(m) +} +func (m *GeneratedCodeInfo_Annotation) XXX_DiscardUnknown() { + xxx_messageInfo_GeneratedCodeInfo_Annotation.DiscardUnknown(m) +} + +var xxx_messageInfo_GeneratedCodeInfo_Annotation proto.InternalMessageInfo func (m *GeneratedCodeInfo_Annotation) GetPath() []int32 { if m != nil { @@ -1963,9 +2613,11 @@ func init() { proto.RegisterType((*DescriptorProto)(nil), "google.protobuf.DescriptorProto") proto.RegisterType((*DescriptorProto_ExtensionRange)(nil), "google.protobuf.DescriptorProto.ExtensionRange") proto.RegisterType((*DescriptorProto_ReservedRange)(nil), "google.protobuf.DescriptorProto.ReservedRange") + proto.RegisterType((*ExtensionRangeOptions)(nil), "google.protobuf.ExtensionRangeOptions") proto.RegisterType((*FieldDescriptorProto)(nil), "google.protobuf.FieldDescriptorProto") proto.RegisterType((*OneofDescriptorProto)(nil), "google.protobuf.OneofDescriptorProto") proto.RegisterType((*EnumDescriptorProto)(nil), "google.protobuf.EnumDescriptorProto") + proto.RegisterType((*EnumDescriptorProto_EnumReservedRange)(nil), "google.protobuf.EnumDescriptorProto.EnumReservedRange") proto.RegisterType((*EnumValueDescriptorProto)(nil), "google.protobuf.EnumValueDescriptorProto") proto.RegisterType((*ServiceDescriptorProto)(nil), "google.protobuf.ServiceDescriptorProto") proto.RegisterType((*MethodDescriptorProto)(nil), "google.protobuf.MethodDescriptorProto") @@ -1991,162 +2643,170 @@ func init() { proto.RegisterEnum("google.protobuf.MethodOptions_IdempotencyLevel", MethodOptions_IdempotencyLevel_name, MethodOptions_IdempotencyLevel_value) } 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0xb4, 0x52, 0xdc, + 0x1c, 0xe7, 0xa2, 0xa8, 0x23, 0x26, 0xef, 0xc1, 0x95, 0x48, 0xaf, 0x41, 0x03, 0xa2, 0x8f, 0xa9, + 0x31, 0x13, 0x2a, 0xf0, 0x47, 0x88, 0xcb, 0x21, 0xa1, 0x15, 0xf6, 0x47, 0xb2, 0xb5, 0x6f, 0x24, + 0x58, 0x8f, 0xae, 0x53, 0x46, 0xec, 0xac, 0x63, 0x00, 0x62, 0xdb, 0x4e, 0x90, 0x74, 0xd7, 0x62, + 0x28, 0x2f, 0xc8, 0xd5, 0x1b, 0xb1, 0x90, 0x9a, 0x50, 0xb0, 0x35, 0x01, 0x98, 0xf5, 0x9c, 0xeb, + 0xb6, 0xab, 0x50, 0x0e, 0x3f, 0xf0, 0xf0, 0xaf, 0x84, 0xe2, 0x02, 0x0e, 0x02, 0x62, 0xf7, 0x2e, + 0xbc, 0x09, 0xf9, 0x53, 0x3a, 0x32, 0xed, 0xf0, 0xd9, 0x56, 0x34, 0xa2, 0x67, 0x92, 0x5c, 0xfc, + 0x4c, 0xb2, 0xff, 0x5b, 0x09, 0x36, 0x74, 0x67, 0x32, 0x6f, 0xef, 0x3e, 0x9a, 0x7b, 0x05, 0xf0, + 0x3f, 0x96, 0x3e, 0xff, 0x68, 0x64, 0x06, 0xe3, 0xe9, 0x69, 0x5d, 0x77, 0x26, 0xbb, 0x23, 0xc7, + 0x22, 0xf6, 0x68, 0xf6, 0x99, 0x93, 0xff, 0xd1, 0xdf, 0x1d, 0x51, 0xfb, 0xdd, 0x91, 0x93, 0xf8, + 0xe8, 0x79, 0x7f, 0xf6, 0xf7, 0xbf, 0x92, 0xf4, 0xa7, 0x4c, 0xf6, 0xa0, 0xb7, 0xff, 0xe7, 0xcc, + 0xd6, 0x81, 0x18, 0xae, 0x17, 0xb9, 0x47, 0xa5, 0x43, 0x8b, 0xea, 0x6c, 0xca, 0xff, 0x0b, 0x00, + 0x00, 0xff, 0xff, 0x1a, 0x28, 0x25, 0x79, 0x42, 0x1d, 0x00, 0x00, } diff --git a/vendor/github.com/golang/protobuf/protoc-gen-go/descriptor/descriptor.proto b/vendor/github.com/golang/protobuf/protoc-gen-go/descriptor/descriptor.proto new file mode 100644 index 000000000..8697a50de --- /dev/null +++ b/vendor/github.com/golang/protobuf/protoc-gen-go/descriptor/descriptor.proto @@ -0,0 +1,872 @@ +// Protocol Buffers - Google's data interchange format +// Copyright 2008 Google Inc. All rights reserved. +// https://developers.google.com/protocol-buffers/ +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// Author: kenton@google.com (Kenton Varda) +// Based on original Protocol Buffers design by +// Sanjay Ghemawat, Jeff Dean, and others. +// +// The messages in this file describe the definitions found in .proto files. +// A valid .proto file can be translated directly to a FileDescriptorProto +// without any other information (e.g. without reading its imports). + + +syntax = "proto2"; + +package google.protobuf; +option go_package = "github.com/golang/protobuf/protoc-gen-go/descriptor;descriptor"; +option java_package = "com.google.protobuf"; +option java_outer_classname = "DescriptorProtos"; +option csharp_namespace = "Google.Protobuf.Reflection"; +option objc_class_prefix = "GPB"; +option cc_enable_arenas = true; + +// descriptor.proto must be optimized for speed because reflection-based +// algorithms don't work during bootstrapping. +option optimize_for = SPEED; + +// The protocol compiler can output a FileDescriptorSet containing the .proto +// files it parses. +message FileDescriptorSet { + repeated FileDescriptorProto file = 1; +} + +// Describes a complete .proto file. +message FileDescriptorProto { + optional string name = 1; // file name, relative to root of source tree + optional string package = 2; // e.g. "foo", "foo.bar", etc. + + // Names of files imported by this file. + repeated string dependency = 3; + // Indexes of the public imported files in the dependency list above. + repeated int32 public_dependency = 10; + // Indexes of the weak imported files in the dependency list. + // For Google-internal migration only. Do not use. + repeated int32 weak_dependency = 11; + + // All top-level definitions in this file. + repeated DescriptorProto message_type = 4; + repeated EnumDescriptorProto enum_type = 5; + repeated ServiceDescriptorProto service = 6; + repeated FieldDescriptorProto extension = 7; + + optional FileOptions options = 8; + + // This field contains optional information about the original source code. + // You may safely remove this entire field without harming runtime + // functionality of the descriptors -- the information is needed only by + // development tools. + optional SourceCodeInfo source_code_info = 9; + + // The syntax of the proto file. + // The supported values are "proto2" and "proto3". + optional string syntax = 12; +} + +// Describes a message type. +message DescriptorProto { + optional string name = 1; + + repeated FieldDescriptorProto field = 2; + repeated FieldDescriptorProto extension = 6; + + repeated DescriptorProto nested_type = 3; + repeated EnumDescriptorProto enum_type = 4; + + message ExtensionRange { + optional int32 start = 1; + optional int32 end = 2; + + optional ExtensionRangeOptions options = 3; + } + repeated ExtensionRange extension_range = 5; + + repeated OneofDescriptorProto oneof_decl = 8; + + optional MessageOptions options = 7; + + // Range of reserved tag numbers. Reserved tag numbers may not be used by + // fields or extension ranges in the same message. Reserved ranges may + // not overlap. + message ReservedRange { + optional int32 start = 1; // Inclusive. + optional int32 end = 2; // Exclusive. + } + repeated ReservedRange reserved_range = 9; + // Reserved field names, which may not be used by fields in the same message. + // A given name may only be reserved once. + repeated string reserved_name = 10; +} + +message ExtensionRangeOptions { + // The parser stores options it doesn't recognize here. See above. + repeated UninterpretedOption uninterpreted_option = 999; + + // Clients can define custom options in extensions of this message. See above. + extensions 1000 to max; +} + +// Describes a field within a message. +message FieldDescriptorProto { + enum Type { + // 0 is reserved for errors. + // Order is weird for historical reasons. + TYPE_DOUBLE = 1; + TYPE_FLOAT = 2; + // Not ZigZag encoded. Negative numbers take 10 bytes. Use TYPE_SINT64 if + // negative values are likely. + TYPE_INT64 = 3; + TYPE_UINT64 = 4; + // Not ZigZag encoded. Negative numbers take 10 bytes. Use TYPE_SINT32 if + // negative values are likely. + TYPE_INT32 = 5; + TYPE_FIXED64 = 6; + TYPE_FIXED32 = 7; + TYPE_BOOL = 8; + TYPE_STRING = 9; + // Tag-delimited aggregate. + // Group type is deprecated and not supported in proto3. However, Proto3 + // implementations should still be able to parse the group wire format and + // treat group fields as unknown fields. + TYPE_GROUP = 10; + TYPE_MESSAGE = 11; // Length-delimited aggregate. + + // New in version 2. + TYPE_BYTES = 12; + TYPE_UINT32 = 13; + TYPE_ENUM = 14; + TYPE_SFIXED32 = 15; + TYPE_SFIXED64 = 16; + TYPE_SINT32 = 17; // Uses ZigZag encoding. + TYPE_SINT64 = 18; // Uses ZigZag encoding. + }; + + enum Label { + // 0 is reserved for errors + LABEL_OPTIONAL = 1; + LABEL_REQUIRED = 2; + LABEL_REPEATED = 3; + }; + + optional string name = 1; + optional int32 number = 3; + optional Label label = 4; + + // If type_name is set, this need not be set. If both this and type_name + // are set, this must be one of TYPE_ENUM, TYPE_MESSAGE or TYPE_GROUP. + optional Type type = 5; + + // For message and enum types, this is the name of the type. If the name + // starts with a '.', it is fully-qualified. Otherwise, C++-like scoping + // rules are used to find the type (i.e. first the nested types within this + // message are searched, then within the parent, on up to the root + // namespace). + optional string type_name = 6; + + // For extensions, this is the name of the type being extended. It is + // resolved in the same manner as type_name. + optional string extendee = 2; + + // For numeric types, contains the original text representation of the value. + // For booleans, "true" or "false". + // For strings, contains the default text contents (not escaped in any way). + // For bytes, contains the C escaped value. All bytes >= 128 are escaped. + // TODO(kenton): Base-64 encode? + optional string default_value = 7; + + // If set, gives the index of a oneof in the containing type's oneof_decl + // list. This field is a member of that oneof. + optional int32 oneof_index = 9; + + // JSON name of this field. The value is set by protocol compiler. If the + // user has set a "json_name" option on this field, that option's value + // will be used. Otherwise, it's deduced from the field's name by converting + // it to camelCase. + optional string json_name = 10; + + optional FieldOptions options = 8; +} + +// Describes a oneof. +message OneofDescriptorProto { + optional string name = 1; + optional OneofOptions options = 2; +} + +// Describes an enum type. +message EnumDescriptorProto { + optional string name = 1; + + repeated EnumValueDescriptorProto value = 2; + + optional EnumOptions options = 3; + + // Range of reserved numeric values. Reserved values may not be used by + // entries in the same enum. Reserved ranges may not overlap. + // + // Note that this is distinct from DescriptorProto.ReservedRange in that it + // is inclusive such that it can appropriately represent the entire int32 + // domain. + message EnumReservedRange { + optional int32 start = 1; // Inclusive. + optional int32 end = 2; // Inclusive. + } + + // Range of reserved numeric values. Reserved numeric values may not be used + // by enum values in the same enum declaration. Reserved ranges may not + // overlap. + repeated EnumReservedRange reserved_range = 4; + + // Reserved enum value names, which may not be reused. A given name may only + // be reserved once. + repeated string reserved_name = 5; +} + +// Describes a value within an enum. +message EnumValueDescriptorProto { + optional string name = 1; + optional int32 number = 2; + + optional EnumValueOptions options = 3; +} + +// Describes a service. +message ServiceDescriptorProto { + optional string name = 1; + repeated MethodDescriptorProto method = 2; + + optional ServiceOptions options = 3; +} + +// Describes a method of a service. +message MethodDescriptorProto { + optional string name = 1; + + // Input and output type names. These are resolved in the same way as + // FieldDescriptorProto.type_name, but must refer to a message type. + optional string input_type = 2; + optional string output_type = 3; + + optional MethodOptions options = 4; + + // Identifies if client streams multiple client messages + optional bool client_streaming = 5 [default=false]; + // Identifies if server streams multiple server messages + optional bool server_streaming = 6 [default=false]; +} + + +// =================================================================== +// Options + +// Each of the definitions above may have "options" attached. These are +// just annotations which may cause code to be generated slightly differently +// or may contain hints for code that manipulates protocol messages. +// +// Clients may define custom options as extensions of the *Options messages. +// These extensions may not yet be known at parsing time, so the parser cannot +// store the values in them. Instead it stores them in a field in the *Options +// message called uninterpreted_option. This field must have the same name +// across all *Options messages. We then use this field to populate the +// extensions when we build a descriptor, at which point all protos have been +// parsed and so all extensions are known. +// +// Extension numbers for custom options may be chosen as follows: +// * For options which will only be used within a single application or +// organization, or for experimental options, use field numbers 50000 +// through 99999. It is up to you to ensure that you do not use the +// same number for multiple options. +// * For options which will be published and used publicly by multiple +// independent entities, e-mail protobuf-global-extension-registry@google.com +// to reserve extension numbers. Simply provide your project name (e.g. +// Objective-C plugin) and your project website (if available) -- there's no +// need to explain how you intend to use them. Usually you only need one +// extension number. You can declare multiple options with only one extension +// number by putting them in a sub-message. See the Custom Options section of +// the docs for examples: +// https://developers.google.com/protocol-buffers/docs/proto#options +// If this turns out to be popular, a web service will be set up +// to automatically assign option numbers. + + +message FileOptions { + + // Sets the Java package where classes generated from this .proto will be + // placed. By default, the proto package is used, but this is often + // inappropriate because proto packages do not normally start with backwards + // domain names. + optional string java_package = 1; + + + // If set, all the classes from the .proto file are wrapped in a single + // outer class with the given name. This applies to both Proto1 + // (equivalent to the old "--one_java_file" option) and Proto2 (where + // a .proto always translates to a single class, but you may want to + // explicitly choose the class name). + optional string java_outer_classname = 8; + + // If set true, then the Java code generator will generate a separate .java + // file for each top-level message, enum, and service defined in the .proto + // file. Thus, these types will *not* be nested inside the outer class + // named by java_outer_classname. However, the outer class will still be + // generated to contain the file's getDescriptor() method as well as any + // top-level extensions defined in the file. + optional bool java_multiple_files = 10 [default=false]; + + // This option does nothing. + optional bool java_generate_equals_and_hash = 20 [deprecated=true]; + + // If set true, then the Java2 code generator will generate code that + // throws an exception whenever an attempt is made to assign a non-UTF-8 + // byte sequence to a string field. + // Message reflection will do the same. + // However, an extension field still accepts non-UTF-8 byte sequences. + // This option has no effect on when used with the lite runtime. + optional bool java_string_check_utf8 = 27 [default=false]; + + + // Generated classes can be optimized for speed or code size. + enum OptimizeMode { + SPEED = 1; // Generate complete code for parsing, serialization, + // etc. + CODE_SIZE = 2; // Use ReflectionOps to implement these methods. + LITE_RUNTIME = 3; // Generate code using MessageLite and the lite runtime. + } + optional OptimizeMode optimize_for = 9 [default=SPEED]; + + // Sets the Go package where structs generated from this .proto will be + // placed. If omitted, the Go package will be derived from the following: + // - The basename of the package import path, if provided. + // - Otherwise, the package statement in the .proto file, if present. + // - Otherwise, the basename of the .proto file, without extension. + optional string go_package = 11; + + + + // Should generic services be generated in each language? "Generic" services + // are not specific to any particular RPC system. They are generated by the + // main code generators in each language (without additional plugins). + // Generic services were the only kind of service generation supported by + // early versions of google.protobuf. + // + // Generic services are now considered deprecated in favor of using plugins + // that generate code specific to your particular RPC system. Therefore, + // these default to false. Old code which depends on generic services should + // explicitly set them to true. + optional bool cc_generic_services = 16 [default=false]; + optional bool java_generic_services = 17 [default=false]; + optional bool py_generic_services = 18 [default=false]; + optional bool php_generic_services = 42 [default=false]; + + // Is this file deprecated? + // Depending on the target platform, this can emit Deprecated annotations + // for everything in the file, or it will be completely ignored; in the very + // least, this is a formalization for deprecating files. + optional bool deprecated = 23 [default=false]; + + // Enables the use of arenas for the proto messages in this file. This applies + // only to generated classes for C++. + optional bool cc_enable_arenas = 31 [default=false]; + + + // Sets the objective c class prefix which is prepended to all objective c + // generated classes from this .proto. There is no default. + optional string objc_class_prefix = 36; + + // Namespace for generated classes; defaults to the package. + optional string csharp_namespace = 37; + + // By default Swift generators will take the proto package and CamelCase it + // replacing '.' with underscore and use that to prefix the types/symbols + // defined. When this options is provided, they will use this value instead + // to prefix the types/symbols defined. + optional string swift_prefix = 39; + + // Sets the php class prefix which is prepended to all php generated classes + // from this .proto. Default is empty. + optional string php_class_prefix = 40; + + // Use this option to change the namespace of php generated classes. Default + // is empty. When this option is empty, the package name will be used for + // determining the namespace. + optional string php_namespace = 41; + + // The parser stores options it doesn't recognize here. + // See the documentation for the "Options" section above. + repeated UninterpretedOption uninterpreted_option = 999; + + // Clients can define custom options in extensions of this message. + // See the documentation for the "Options" section above. + extensions 1000 to max; + + reserved 38; +} + +message MessageOptions { + // Set true to use the old proto1 MessageSet wire format for extensions. + // This is provided for backwards-compatibility with the MessageSet wire + // format. You should not use this for any other reason: It's less + // efficient, has fewer features, and is more complicated. + // + // The message must be defined exactly as follows: + // message Foo { + // option message_set_wire_format = true; + // extensions 4 to max; + // } + // Note that the message cannot have any defined fields; MessageSets only + // have extensions. + // + // All extensions of your type must be singular messages; e.g. they cannot + // be int32s, enums, or repeated messages. + // + // Because this is an option, the above two restrictions are not enforced by + // the protocol compiler. + optional bool message_set_wire_format = 1 [default=false]; + + // Disables the generation of the standard "descriptor()" accessor, which can + // conflict with a field of the same name. This is meant to make migration + // from proto1 easier; new code should avoid fields named "descriptor". + optional bool no_standard_descriptor_accessor = 2 [default=false]; + + // Is this message deprecated? + // Depending on the target platform, this can emit Deprecated annotations + // for the message, or it will be completely ignored; in the very least, + // this is a formalization for deprecating messages. + optional bool deprecated = 3 [default=false]; + + // Whether the message is an automatically generated map entry type for the + // maps field. + // + // For maps fields: + // map<KeyType, ValueType> map_field = 1; + // The parsed descriptor looks like: + // message MapFieldEntry { + // option map_entry = true; + // optional KeyType key = 1; + // optional ValueType value = 2; + // } + // repeated MapFieldEntry map_field = 1; + // + // Implementations may choose not to generate the map_entry=true message, but + // use a native map in the target language to hold the keys and values. + // The reflection APIs in such implementions still need to work as + // if the field is a repeated message field. + // + // NOTE: Do not set the option in .proto files. Always use the maps syntax + // instead. The option should only be implicitly set by the proto compiler + // parser. + optional bool map_entry = 7; + + reserved 8; // javalite_serializable + reserved 9; // javanano_as_lite + + // The parser stores options it doesn't recognize here. See above. + repeated UninterpretedOption uninterpreted_option = 999; + + // Clients can define custom options in extensions of this message. See above. + extensions 1000 to max; +} + +message FieldOptions { + // The ctype option instructs the C++ code generator to use a different + // representation of the field than it normally would. See the specific + // options below. This option is not yet implemented in the open source + // release -- sorry, we'll try to include it in a future version! + optional CType ctype = 1 [default = STRING]; + enum CType { + // Default mode. + STRING = 0; + + CORD = 1; + + STRING_PIECE = 2; + } + // The packed option can be enabled for repeated primitive fields to enable + // a more efficient representation on the wire. Rather than repeatedly + // writing the tag and type for each element, the entire array is encoded as + // a single length-delimited blob. In proto3, only explicit setting it to + // false will avoid using packed encoding. + optional bool packed = 2; + + // The jstype option determines the JavaScript type used for values of the + // field. The option is permitted only for 64 bit integral and fixed types + // (int64, uint64, sint64, fixed64, sfixed64). A field with jstype JS_STRING + // is represented as JavaScript string, which avoids loss of precision that + // can happen when a large value is converted to a floating point JavaScript. + // Specifying JS_NUMBER for the jstype causes the generated JavaScript code to + // use the JavaScript "number" type. The behavior of the default option + // JS_NORMAL is implementation dependent. + // + // This option is an enum to permit additional types to be added, e.g. + // goog.math.Integer. + optional JSType jstype = 6 [default = JS_NORMAL]; + enum JSType { + // Use the default type. + JS_NORMAL = 0; + + // Use JavaScript strings. + JS_STRING = 1; + + // Use JavaScript numbers. + JS_NUMBER = 2; + } + + // Should this field be parsed lazily? Lazy applies only to message-type + // fields. It means that when the outer message is initially parsed, the + // inner message's contents will not be parsed but instead stored in encoded + // form. The inner message will actually be parsed when it is first accessed. + // + // This is only a hint. Implementations are free to choose whether to use + // eager or lazy parsing regardless of the value of this option. However, + // setting this option true suggests that the protocol author believes that + // using lazy parsing on this field is worth the additional bookkeeping + // overhead typically needed to implement it. + // + // This option does not affect the public interface of any generated code; + // all method signatures remain the same. Furthermore, thread-safety of the + // interface is not affected by this option; const methods remain safe to + // call from multiple threads concurrently, while non-const methods continue + // to require exclusive access. + // + // + // Note that implementations may choose not to check required fields within + // a lazy sub-message. That is, calling IsInitialized() on the outer message + // may return true even if the inner message has missing required fields. + // This is necessary because otherwise the inner message would have to be + // parsed in order to perform the check, defeating the purpose of lazy + // parsing. An implementation which chooses not to check required fields + // must be consistent about it. That is, for any particular sub-message, the + // implementation must either *always* check its required fields, or *never* + // check its required fields, regardless of whether or not the message has + // been parsed. + optional bool lazy = 5 [default=false]; + + // Is this field deprecated? + // Depending on the target platform, this can emit Deprecated annotations + // for accessors, or it will be completely ignored; in the very least, this + // is a formalization for deprecating fields. + optional bool deprecated = 3 [default=false]; + + // For Google-internal migration only. Do not use. + optional bool weak = 10 [default=false]; + + + // The parser stores options it doesn't recognize here. See above. + repeated UninterpretedOption uninterpreted_option = 999; + + // Clients can define custom options in extensions of this message. See above. + extensions 1000 to max; + + reserved 4; // removed jtype +} + +message OneofOptions { + // The parser stores options it doesn't recognize here. See above. + repeated UninterpretedOption uninterpreted_option = 999; + + // Clients can define custom options in extensions of this message. See above. + extensions 1000 to max; +} + +message EnumOptions { + + // Set this option to true to allow mapping different tag names to the same + // value. + optional bool allow_alias = 2; + + // Is this enum deprecated? + // Depending on the target platform, this can emit Deprecated annotations + // for the enum, or it will be completely ignored; in the very least, this + // is a formalization for deprecating enums. + optional bool deprecated = 3 [default=false]; + + reserved 5; // javanano_as_lite + + // The parser stores options it doesn't recognize here. See above. + repeated UninterpretedOption uninterpreted_option = 999; + + // Clients can define custom options in extensions of this message. See above. + extensions 1000 to max; +} + +message EnumValueOptions { + // Is this enum value deprecated? + // Depending on the target platform, this can emit Deprecated annotations + // for the enum value, or it will be completely ignored; in the very least, + // this is a formalization for deprecating enum values. + optional bool deprecated = 1 [default=false]; + + // The parser stores options it doesn't recognize here. See above. + repeated UninterpretedOption uninterpreted_option = 999; + + // Clients can define custom options in extensions of this message. See above. + extensions 1000 to max; +} + +message ServiceOptions { + + // Note: Field numbers 1 through 32 are reserved for Google's internal RPC + // framework. We apologize for hoarding these numbers to ourselves, but + // we were already using them long before we decided to release Protocol + // Buffers. + + // Is this service deprecated? + // Depending on the target platform, this can emit Deprecated annotations + // for the service, or it will be completely ignored; in the very least, + // this is a formalization for deprecating services. + optional bool deprecated = 33 [default=false]; + + // The parser stores options it doesn't recognize here. See above. + repeated UninterpretedOption uninterpreted_option = 999; + + // Clients can define custom options in extensions of this message. See above. + extensions 1000 to max; +} + +message MethodOptions { + + // Note: Field numbers 1 through 32 are reserved for Google's internal RPC + // framework. We apologize for hoarding these numbers to ourselves, but + // we were already using them long before we decided to release Protocol + // Buffers. + + // Is this method deprecated? + // Depending on the target platform, this can emit Deprecated annotations + // for the method, or it will be completely ignored; in the very least, + // this is a formalization for deprecating methods. + optional bool deprecated = 33 [default=false]; + + // Is this method side-effect-free (or safe in HTTP parlance), or idempotent, + // or neither? HTTP based RPC implementation may choose GET verb for safe + // methods, and PUT verb for idempotent methods instead of the default POST. + enum IdempotencyLevel { + IDEMPOTENCY_UNKNOWN = 0; + NO_SIDE_EFFECTS = 1; // implies idempotent + IDEMPOTENT = 2; // idempotent, but may have side effects + } + optional IdempotencyLevel idempotency_level = + 34 [default=IDEMPOTENCY_UNKNOWN]; + + // The parser stores options it doesn't recognize here. See above. + repeated UninterpretedOption uninterpreted_option = 999; + + // Clients can define custom options in extensions of this message. See above. + extensions 1000 to max; +} + + +// A message representing a option the parser does not recognize. This only +// appears in options protos created by the compiler::Parser class. +// DescriptorPool resolves these when building Descriptor objects. Therefore, +// options protos in descriptor objects (e.g. returned by Descriptor::options(), +// or produced by Descriptor::CopyTo()) will never have UninterpretedOptions +// in them. +message UninterpretedOption { + // The name of the uninterpreted option. Each string represents a segment in + // a dot-separated name. is_extension is true iff a segment represents an + // extension (denoted with parentheses in options specs in .proto files). + // E.g.,{ ["foo", false], ["bar.baz", true], ["qux", false] } represents + // "foo.(bar.baz).qux". + message NamePart { + required string name_part = 1; + required bool is_extension = 2; + } + repeated NamePart name = 2; + + // The value of the uninterpreted option, in whatever type the tokenizer + // identified it as during parsing. Exactly one of these should be set. + optional string identifier_value = 3; + optional uint64 positive_int_value = 4; + optional int64 negative_int_value = 5; + optional double double_value = 6; + optional bytes string_value = 7; + optional string aggregate_value = 8; +} + +// =================================================================== +// Optional source code info + +// Encapsulates information about the original source file from which a +// FileDescriptorProto was generated. +message SourceCodeInfo { + // A Location identifies a piece of source code in a .proto file which + // corresponds to a particular definition. This information is intended + // to be useful to IDEs, code indexers, documentation generators, and similar + // tools. + // + // For example, say we have a file like: + // message Foo { + // optional string foo = 1; + // } + // Let's look at just the field definition: + // optional string foo = 1; + // ^ ^^ ^^ ^ ^^^ + // a bc de f ghi + // We have the following locations: + // span path represents + // [a,i) [ 4, 0, 2, 0 ] The whole field definition. + // [a,b) [ 4, 0, 2, 0, 4 ] The label (optional). + // [c,d) [ 4, 0, 2, 0, 5 ] The type (string). + // [e,f) [ 4, 0, 2, 0, 1 ] The name (foo). + // [g,h) [ 4, 0, 2, 0, 3 ] The number (1). + // + // Notes: + // - A location may refer to a repeated field itself (i.e. not to any + // particular index within it). This is used whenever a set of elements are + // logically enclosed in a single code segment. For example, an entire + // extend block (possibly containing multiple extension definitions) will + // have an outer location whose path refers to the "extensions" repeated + // field without an index. + // - Multiple locations may have the same path. This happens when a single + // logical declaration is spread out across multiple places. The most + // obvious example is the "extend" block again -- there may be multiple + // extend blocks in the same scope, each of which will have the same path. + // - A location's span is not always a subset of its parent's span. For + // example, the "extendee" of an extension declaration appears at the + // beginning of the "extend" block and is shared by all extensions within + // the block. + // - Just because a location's span is a subset of some other location's span + // does not mean that it is a descendent. For example, a "group" defines + // both a type and a field in a single declaration. Thus, the locations + // corresponding to the type and field and their components will overlap. + // - Code which tries to interpret locations should probably be designed to + // ignore those that it doesn't understand, as more types of locations could + // be recorded in the future. + repeated Location location = 1; + message Location { + // Identifies which part of the FileDescriptorProto was defined at this + // location. + // + // Each element is a field number or an index. They form a path from + // the root FileDescriptorProto to the place where the definition. For + // example, this path: + // [ 4, 3, 2, 7, 1 ] + // refers to: + // file.message_type(3) // 4, 3 + // .field(7) // 2, 7 + // .name() // 1 + // This is because FileDescriptorProto.message_type has field number 4: + // repeated DescriptorProto message_type = 4; + // and DescriptorProto.field has field number 2: + // repeated FieldDescriptorProto field = 2; + // and FieldDescriptorProto.name has field number 1: + // optional string name = 1; + // + // Thus, the above path gives the location of a field name. If we removed + // the last element: + // [ 4, 3, 2, 7 ] + // this path refers to the whole field declaration (from the beginning + // of the label to the terminating semicolon). + repeated int32 path = 1 [packed=true]; + + // Always has exactly three or four elements: start line, start column, + // end line (optional, otherwise assumed same as start line), end column. + // These are packed into a single field for efficiency. Note that line + // and column numbers are zero-based -- typically you will want to add + // 1 to each before displaying to a user. + repeated int32 span = 2 [packed=true]; + + // If this SourceCodeInfo represents a complete declaration, these are any + // comments appearing before and after the declaration which appear to be + // attached to the declaration. + // + // A series of line comments appearing on consecutive lines, with no other + // tokens appearing on those lines, will be treated as a single comment. + // + // leading_detached_comments will keep paragraphs of comments that appear + // before (but not connected to) the current element. Each paragraph, + // separated by empty lines, will be one comment element in the repeated + // field. + // + // Only the comment content is provided; comment markers (e.g. //) are + // stripped out. For block comments, leading whitespace and an asterisk + // will be stripped from the beginning of each line other than the first. + // Newlines are included in the output. + // + // Examples: + // + // optional int32 foo = 1; // Comment attached to foo. + // // Comment attached to bar. + // optional int32 bar = 2; + // + // optional string baz = 3; + // // Comment attached to baz. + // // Another line attached to baz. + // + // // Comment attached to qux. + // // + // // Another line attached to qux. + // optional double qux = 4; + // + // // Detached comment for corge. This is not leading or trailing comments + // // to qux or corge because there are blank lines separating it from + // // both. + // + // // Detached comment for corge paragraph 2. + // + // optional string corge = 5; + // /* Block comment attached + // * to corge. Leading asterisks + // * will be removed. */ + // /* Block comment attached to + // * grault. */ + // optional int32 grault = 6; + // + // // ignored detached comments. + optional string leading_comments = 3; + optional string trailing_comments = 4; + repeated string leading_detached_comments = 6; + } +} + +// Describes the relationship between generated code and its original source +// file. A GeneratedCodeInfo message is associated with only one generated +// source file, but may contain references to different source .proto files. +message GeneratedCodeInfo { + // An Annotation connects some span of text in generated code to an element + // of its generating .proto file. + repeated Annotation annotation = 1; + message Annotation { + // Identifies the element in the original source .proto file. This field + // is formatted the same as SourceCodeInfo.Location.path. + repeated int32 path = 1 [packed=true]; + + // Identifies the filesystem path to the original source .proto. + optional string source_file = 2; + + // Identifies the starting offset in bytes in the generated code + // that relates to the identified object. + optional int32 begin = 3; + + // Identifies the ending offset in bytes in the generated code that + // relates to the identified offset. The end offset should be one past + // the last relevant byte (so the length of the text = end - begin). + optional int32 end = 4; + } +} diff --git a/vendor/github.com/golang/protobuf/ptypes/any.go b/vendor/github.com/golang/protobuf/ptypes/any.go index b2af97f4a..70276e8f5 100644 --- a/vendor/github.com/golang/protobuf/ptypes/any.go +++ b/vendor/github.com/golang/protobuf/ptypes/any.go @@ -130,10 +130,12 @@ func UnmarshalAny(any *any.Any, pb proto.Message) error { // Is returns true if any value contains a given message type. func Is(any *any.Any, pb proto.Message) bool { - aname, err := AnyMessageName(any) - if err != nil { + // The following is equivalent to AnyMessageName(any) == proto.MessageName(pb), + // but it avoids scanning TypeUrl for the slash. + if any == nil { return false } - - return aname == proto.MessageName(pb) + name := proto.MessageName(pb) + prefix := len(any.TypeUrl) - len(name) + return prefix >= 1 && any.TypeUrl[prefix-1] == '/' && any.TypeUrl[prefix:] == name } diff --git a/vendor/github.com/golang/protobuf/ptypes/any/any.pb.go b/vendor/github.com/golang/protobuf/ptypes/any/any.pb.go index 1fbaa44ca..ede4cd591 100644 --- a/vendor/github.com/golang/protobuf/ptypes/any/any.pb.go +++ b/vendor/github.com/golang/protobuf/ptypes/any/any.pb.go @@ -1,15 +1,6 @@ // Code generated by protoc-gen-go. DO NOT EDIT. -// source: github.com/golang/protobuf/ptypes/any/any.proto +// source: google/protobuf/any.proto -/* -Package any is a generated protocol buffer package. - -It is generated from these files: - github.com/golang/protobuf/ptypes/any/any.proto - -It has these top-level messages: - Any -*/ package any import proto "github.com/golang/protobuf/proto" @@ -62,6 +53,16 @@ const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package // any.Unpack(foo) // ... // +// Example 4: Pack and unpack a message in Go +// +// foo := &pb.Foo{...} +// any, err := ptypes.MarshalAny(foo) +// ... +// foo := &pb.Foo{} +// if err := ptypes.UnmarshalAny(any, foo); err != nil { +// ... +// } +// // The pack methods provided by protobuf library will by default use // 'type.googleapis.com/full.type.name' as the type URL and the unpack // methods only use the fully qualified type name after the last '/' @@ -120,16 +121,38 @@ type Any struct { // Schemes other than `http`, `https` (or the empty scheme) might be // used with implementation specific semantics. // - TypeUrl string `protobuf:"bytes,1,opt,name=type_url,json=typeUrl" json:"type_url,omitempty"` + TypeUrl string `protobuf:"bytes,1,opt,name=type_url,json=typeUrl,proto3" json:"type_url,omitempty"` // Must be a valid serialized protocol buffer of the above specified type. - Value []byte `protobuf:"bytes,2,opt,name=value,proto3" json:"value,omitempty"` + Value []byte `protobuf:"bytes,2,opt,name=value,proto3" json:"value,omitempty"` + XXX_NoUnkeyedLiteral struct{} `json:"-"` + XXX_unrecognized []byte `json:"-"` + XXX_sizecache int32 `json:"-"` +} + +func (m *Any) Reset() { *m = Any{} } +func (m *Any) String() string { return proto.CompactTextString(m) } +func (*Any) ProtoMessage() {} +func (*Any) Descriptor() ([]byte, []int) { + return fileDescriptor_any_744b9ca530f228db, []int{0} +} +func (*Any) XXX_WellKnownType() string { return "Any" } +func (m *Any) XXX_Unmarshal(b []byte) error { + return xxx_messageInfo_Any.Unmarshal(m, b) +} +func (m *Any) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) { + return xxx_messageInfo_Any.Marshal(b, m, deterministic) +} +func (dst *Any) XXX_Merge(src proto.Message) { + xxx_messageInfo_Any.Merge(dst, src) +} +func (m *Any) XXX_Size() int { + return xxx_messageInfo_Any.Size(m) +} +func (m *Any) XXX_DiscardUnknown() { + xxx_messageInfo_Any.DiscardUnknown(m) } -func (m *Any) Reset() { *m = Any{} } -func (m *Any) String() string { return proto.CompactTextString(m) } -func (*Any) ProtoMessage() {} -func (*Any) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{0} } -func (*Any) XXX_WellKnownType() string { return "Any" } +var xxx_messageInfo_Any proto.InternalMessageInfo func (m *Any) GetTypeUrl() string { if m != nil { @@ -149,20 +172,20 @@ func init() { proto.RegisterType((*Any)(nil), "google.protobuf.Any") } -func init() { proto.RegisterFile("github.com/golang/protobuf/ptypes/any/any.proto", fileDescriptor0) } +func init() { proto.RegisterFile("google/protobuf/any.proto", fileDescriptor_any_744b9ca530f228db) } -var fileDescriptor0 = []byte{ - // 184 bytes of a gzipped FileDescriptorProto - 0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xe2, 0xd2, 0x4f, 0xcf, 0x2c, 0xc9, - 0x28, 0x4d, 0xd2, 0x4b, 0xce, 0xcf, 0xd5, 0x4f, 0xcf, 0xcf, 0x49, 0xcc, 0x4b, 0xd7, 0x2f, 0x28, - 0xca, 0x2f, 0xc9, 0x4f, 0x2a, 0x4d, 0xd3, 0x2f, 0x28, 0xa9, 0x2c, 0x48, 0x2d, 0xd6, 0x4f, 0xcc, - 0xab, 0x04, 0x61, 0x3d, 0xb0, 0xb8, 0x10, 0x7f, 0x7a, 0x7e, 0x7e, 0x7a, 0x4e, 0xaa, 0x1e, 0x4c, - 0x95, 0x92, 0x19, 0x17, 0xb3, 0x63, 0x5e, 0xa5, 0x90, 0x24, 0x17, 0x07, 0x48, 0x79, 0x7c, 0x69, - 0x51, 0x8e, 0x04, 0xa3, 0x02, 0xa3, 0x06, 0x67, 0x10, 0x3b, 0x88, 0x1f, 0x5a, 0x94, 0x23, 0x24, - 0xc2, 0xc5, 0x5a, 0x96, 0x98, 0x53, 0x9a, 0x2a, 0xc1, 0xa4, 0xc0, 0xa8, 0xc1, 0x13, 0x04, 0xe1, - 0x38, 0xe5, 0x73, 0x09, 0x27, 0xe7, 0xe7, 0xea, 0xa1, 0x19, 0xe7, 0xc4, 0xe1, 0x98, 0x57, 0x19, - 0x00, 0xe2, 0x04, 0x30, 0x46, 0xa9, 0x12, 0xe5, 0xb8, 0x45, 0x4c, 0xcc, 0xee, 0x01, 0x4e, 0xab, - 0x98, 0xe4, 0xdc, 0x21, 0x46, 0x05, 0x40, 0x95, 0xe8, 0x85, 0xa7, 0xe6, 0xe4, 0x78, 0xe7, 0xe5, - 0x97, 0xe7, 0x85, 0x80, 0x94, 0x26, 0xb1, 0x81, 0xf5, 0x1a, 0x03, 0x02, 0x00, 0x00, 0xff, 0xff, - 0x45, 0x1f, 0x1a, 0xf2, 0xf3, 0x00, 0x00, 0x00, +var fileDescriptor_any_744b9ca530f228db = []byte{ + // 185 bytes of a gzipped FileDescriptorProto + 0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xe2, 0x92, 0x4c, 0xcf, 0xcf, 0x4f, + 0xcf, 0x49, 0xd5, 0x2f, 0x28, 0xca, 0x2f, 0xc9, 0x4f, 0x2a, 0x4d, 0xd3, 0x4f, 0xcc, 0xab, 0xd4, + 0x03, 0x73, 0x84, 0xf8, 0x21, 0x52, 0x7a, 0x30, 0x29, 0x25, 0x33, 0x2e, 0x66, 0xc7, 0xbc, 0x4a, + 0x21, 0x49, 0x2e, 0x8e, 0x92, 0xca, 0x82, 0xd4, 0xf8, 0xd2, 0xa2, 0x1c, 0x09, 0x46, 0x05, 0x46, + 0x0d, 0xce, 0x20, 0x76, 0x10, 0x3f, 0xb4, 0x28, 0x47, 0x48, 0x84, 0x8b, 0xb5, 0x2c, 0x31, 0xa7, + 0x34, 0x55, 0x82, 0x49, 0x81, 0x51, 0x83, 0x27, 0x08, 0xc2, 0x71, 0xca, 0xe7, 0x12, 0x4e, 0xce, + 0xcf, 0xd5, 0x43, 0x33, 0xce, 0x89, 0xc3, 0x31, 0xaf, 0x32, 0x00, 0xc4, 0x09, 0x60, 0x8c, 0x52, + 0x4d, 0xcf, 0x2c, 0xc9, 0x28, 0x4d, 0xd2, 0x4b, 0xce, 0xcf, 0xd5, 0x4f, 0xcf, 0xcf, 0x49, 0xcc, + 0x4b, 0x47, 0xb8, 0xa8, 0x00, 0x64, 0x7a, 0x31, 0xc8, 0x61, 0x8b, 0x98, 0x98, 0xdd, 0x03, 0x9c, + 0x56, 0x31, 0xc9, 0xb9, 0x43, 0x8c, 0x0a, 0x80, 0x2a, 0xd1, 0x0b, 0x4f, 0xcd, 0xc9, 0xf1, 0xce, + 0xcb, 0x2f, 0xcf, 0x0b, 0x01, 0x29, 0x4d, 0x62, 0x03, 0xeb, 0x35, 0x06, 0x04, 0x00, 0x00, 0xff, + 0xff, 0x13, 0xf8, 0xe8, 0x42, 0xdd, 0x00, 0x00, 0x00, } diff --git a/vendor/github.com/golang/protobuf/ptypes/any/any.proto b/vendor/github.com/golang/protobuf/ptypes/any/any.proto index 9bd3f50a4..c74866762 100644 --- a/vendor/github.com/golang/protobuf/ptypes/any/any.proto +++ b/vendor/github.com/golang/protobuf/ptypes/any/any.proto @@ -74,6 +74,16 @@ option objc_class_prefix = "GPB"; // any.Unpack(foo) // ... // +// Example 4: Pack and unpack a message in Go +// +// foo := &pb.Foo{...} +// any, err := ptypes.MarshalAny(foo) +// ... +// foo := &pb.Foo{} +// if err := ptypes.UnmarshalAny(any, foo); err != nil { +// ... +// } +// // The pack methods provided by protobuf library will by default use // 'type.googleapis.com/full.type.name' as the type URL and the unpack // methods only use the fully qualified type name after the last '/' diff --git a/vendor/github.com/golang/protobuf/ptypes/duration/duration.pb.go b/vendor/github.com/golang/protobuf/ptypes/duration/duration.pb.go index fe3350bed..eb6055df5 100644 --- a/vendor/github.com/golang/protobuf/ptypes/duration/duration.pb.go +++ b/vendor/github.com/golang/protobuf/ptypes/duration/duration.pb.go @@ -1,15 +1,6 @@ // Code generated by protoc-gen-go. DO NOT EDIT. -// source: github.com/golang/protobuf/ptypes/duration/duration.proto +// source: google/protobuf/duration.proto -/* -Package duration is a generated protocol buffer package. - -It is generated from these files: - github.com/golang/protobuf/ptypes/duration/duration.proto - -It has these top-level messages: - Duration -*/ package duration import proto "github.com/golang/protobuf/proto" @@ -91,21 +82,43 @@ type Duration struct { // Signed seconds of the span of time. Must be from -315,576,000,000 // to +315,576,000,000 inclusive. Note: these bounds are computed from: // 60 sec/min * 60 min/hr * 24 hr/day * 365.25 days/year * 10000 years - Seconds int64 `protobuf:"varint,1,opt,name=seconds" json:"seconds,omitempty"` + Seconds int64 `protobuf:"varint,1,opt,name=seconds,proto3" json:"seconds,omitempty"` // Signed fractions of a second at nanosecond resolution of the span // of time. Durations less than one second are represented with a 0 // `seconds` field and a positive or negative `nanos` field. For durations // of one second or more, a non-zero value for the `nanos` field must be // of the same sign as the `seconds` field. Must be from -999,999,999 // to +999,999,999 inclusive. - Nanos int32 `protobuf:"varint,2,opt,name=nanos" json:"nanos,omitempty"` + Nanos int32 `protobuf:"varint,2,opt,name=nanos,proto3" json:"nanos,omitempty"` + XXX_NoUnkeyedLiteral struct{} `json:"-"` + XXX_unrecognized []byte `json:"-"` + XXX_sizecache int32 `json:"-"` +} + +func (m *Duration) Reset() { *m = Duration{} } +func (m *Duration) String() string { return proto.CompactTextString(m) } +func (*Duration) ProtoMessage() {} +func (*Duration) Descriptor() ([]byte, []int) { + return fileDescriptor_duration_e7d612259e3f0613, []int{0} +} +func (*Duration) XXX_WellKnownType() string { return "Duration" } +func (m *Duration) XXX_Unmarshal(b []byte) error { + return xxx_messageInfo_Duration.Unmarshal(m, b) +} +func (m *Duration) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) { + return xxx_messageInfo_Duration.Marshal(b, m, deterministic) +} +func (dst *Duration) XXX_Merge(src proto.Message) { + xxx_messageInfo_Duration.Merge(dst, src) +} +func (m *Duration) XXX_Size() int { + return xxx_messageInfo_Duration.Size(m) +} +func (m *Duration) XXX_DiscardUnknown() { + xxx_messageInfo_Duration.DiscardUnknown(m) } -func (m *Duration) Reset() { *m = Duration{} } -func (m *Duration) String() string { return proto.CompactTextString(m) } -func (*Duration) ProtoMessage() {} -func (*Duration) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{0} } -func (*Duration) XXX_WellKnownType() string { return "Duration" } +var xxx_messageInfo_Duration proto.InternalMessageInfo func (m *Duration) GetSeconds() int64 { if m != nil { @@ -126,21 +139,21 @@ func init() { } func init() { - proto.RegisterFile("github.com/golang/protobuf/ptypes/duration/duration.proto", fileDescriptor0) + proto.RegisterFile("google/protobuf/duration.proto", fileDescriptor_duration_e7d612259e3f0613) } -var fileDescriptor0 = []byte{ - // 189 bytes of a gzipped FileDescriptorProto - 0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xe2, 0xb2, 0x4c, 0xcf, 0x2c, 0xc9, - 0x28, 0x4d, 0xd2, 0x4b, 0xce, 0xcf, 0xd5, 0x4f, 0xcf, 0xcf, 0x49, 0xcc, 0x4b, 0xd7, 0x2f, 0x28, - 0xca, 0x2f, 0xc9, 0x4f, 0x2a, 0x4d, 0xd3, 0x2f, 0x28, 0xa9, 0x2c, 0x48, 0x2d, 0xd6, 0x4f, 0x29, - 0x2d, 0x4a, 0x2c, 0xc9, 0xcc, 0xcf, 0x83, 0x33, 0xf4, 0xc0, 0x2a, 0x84, 0xf8, 0xd3, 0xf3, 0xf3, - 0xd3, 0x73, 0x52, 0xf5, 0x60, 0xea, 0x95, 0xac, 0xb8, 0x38, 0x5c, 0xa0, 0x4a, 0x84, 0x24, 0xb8, - 0xd8, 0x8b, 0x53, 0x93, 0xf3, 0xf3, 0x52, 0x8a, 0x25, 0x18, 0x15, 0x18, 0x35, 0x98, 0x83, 0x60, - 0x5c, 0x21, 0x11, 0x2e, 0xd6, 0xbc, 0xc4, 0xbc, 0xfc, 0x62, 0x09, 0x26, 0x05, 0x46, 0x0d, 0xd6, - 0x20, 0x08, 0xc7, 0xa9, 0x86, 0x4b, 0x38, 0x39, 0x3f, 0x57, 0x0f, 0xcd, 0x48, 0x27, 0x5e, 0x98, - 0x81, 0x01, 0x20, 0x91, 0x00, 0xc6, 0x28, 0x2d, 0xe2, 0xdd, 0xfb, 0x83, 0x91, 0x71, 0x11, 0x13, - 0xb3, 0x7b, 0x80, 0xd3, 0x2a, 0x26, 0x39, 0x77, 0x88, 0xb9, 0x01, 0x50, 0xa5, 0x7a, 0xe1, 0xa9, - 0x39, 0x39, 0xde, 0x79, 0xf9, 0xe5, 0x79, 0x21, 0x20, 0x2d, 0x49, 0x6c, 0x60, 0x33, 0x8c, 0x01, - 0x01, 0x00, 0x00, 0xff, 0xff, 0x45, 0x5a, 0x81, 0x3d, 0x0e, 0x01, 0x00, 0x00, +var fileDescriptor_duration_e7d612259e3f0613 = []byte{ + // 190 bytes of a gzipped FileDescriptorProto + 0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xe2, 0x92, 0x4b, 0xcf, 0xcf, 0x4f, + 0xcf, 0x49, 0xd5, 0x2f, 0x28, 0xca, 0x2f, 0xc9, 0x4f, 0x2a, 0x4d, 0xd3, 0x4f, 0x29, 0x2d, 0x4a, + 0x2c, 0xc9, 0xcc, 0xcf, 0xd3, 0x03, 0x8b, 0x08, 0xf1, 0x43, 0xe4, 0xf5, 0x60, 0xf2, 0x4a, 0x56, + 0x5c, 0x1c, 0x2e, 0x50, 0x25, 0x42, 0x12, 0x5c, 0xec, 0xc5, 0xa9, 0xc9, 0xf9, 0x79, 0x29, 0xc5, + 0x12, 0x8c, 0x0a, 0x8c, 0x1a, 0xcc, 0x41, 0x30, 0xae, 0x90, 0x08, 0x17, 0x6b, 0x5e, 0x62, 0x5e, + 0x7e, 0xb1, 0x04, 0x93, 0x02, 0xa3, 0x06, 0x6b, 0x10, 0x84, 0xe3, 0x54, 0xc3, 0x25, 0x9c, 0x9c, + 0x9f, 0xab, 0x87, 0x66, 0xa4, 0x13, 0x2f, 0xcc, 0xc0, 0x00, 0x90, 0x48, 0x00, 0x63, 0x94, 0x56, + 0x7a, 0x66, 0x49, 0x46, 0x69, 0x92, 0x5e, 0x72, 0x7e, 0xae, 0x7e, 0x7a, 0x7e, 0x4e, 0x62, 0x5e, + 0x3a, 0xc2, 0x7d, 0x05, 0x25, 0x95, 0x05, 0xa9, 0xc5, 0x70, 0x67, 0xfe, 0x60, 0x64, 0x5c, 0xc4, + 0xc4, 0xec, 0x1e, 0xe0, 0xb4, 0x8a, 0x49, 0xce, 0x1d, 0x62, 0x6e, 0x00, 0x54, 0xa9, 0x5e, 0x78, + 0x6a, 0x4e, 0x8e, 0x77, 0x5e, 0x7e, 0x79, 0x5e, 0x08, 0x48, 0x4b, 0x12, 0x1b, 0xd8, 0x0c, 0x63, + 0x40, 0x00, 0x00, 0x00, 0xff, 0xff, 0xdc, 0x84, 0x30, 0xff, 0xf3, 0x00, 0x00, 0x00, } diff --git a/vendor/github.com/golang/protobuf/ptypes/regen.sh b/vendor/github.com/golang/protobuf/ptypes/regen.sh deleted file mode 100755 index 2a5b4e8bd..000000000 --- a/vendor/github.com/golang/protobuf/ptypes/regen.sh +++ /dev/null @@ -1,66 +0,0 @@ -#!/bin/bash -e -# -# This script fetches and rebuilds the "well-known types" protocol buffers. -# To run this you will need protoc and goprotobuf installed; -# see https://github.com/golang/protobuf for instructions. -# You also need Go and Git installed. - -PKG=github.com/golang/protobuf/ptypes -UPSTREAM=https://github.com/google/protobuf -UPSTREAM_SUBDIR=src/google/protobuf -PROTO_FILES=' - any.proto - duration.proto - empty.proto - struct.proto - timestamp.proto - wrappers.proto -' - -function die() { - echo 1>&2 $* - exit 1 -} - -# Sanity check that the right tools are accessible. -for tool in go git protoc protoc-gen-go; do - q=$(which $tool) || die "didn't find $tool" - echo 1>&2 "$tool: $q" -done - -tmpdir=$(mktemp -d -t regen-wkt.XXXXXX) -trap 'rm -rf $tmpdir' EXIT - -echo -n 1>&2 "finding package dir... " -pkgdir=$(go list -f '{{.Dir}}' $PKG) -echo 1>&2 $pkgdir -base=$(echo $pkgdir | sed "s,/$PKG\$,,") -echo 1>&2 "base: $base" -cd $base - -echo 1>&2 "fetching latest protos... " -git clone -q $UPSTREAM $tmpdir -# Pass 1: build mapping from upstream filename to our filename. -declare -A filename_map -for f in $(cd $PKG && find * -name '*.proto'); do - echo -n 1>&2 "looking for latest version of $f... " - up=$(cd $tmpdir/$UPSTREAM_SUBDIR && find * -name $(basename $f) | grep -v /testdata/) - echo 1>&2 $up - if [ $(echo $up | wc -w) != "1" ]; then - die "not exactly one match" - fi - filename_map[$up]=$f -done -# Pass 2: copy files -for up in "${!filename_map[@]}"; do - f=${filename_map[$up]} - shortname=$(basename $f | sed 's,\.proto$,,') - cp $tmpdir/$UPSTREAM_SUBDIR/$up $PKG/$f -done - -# Run protoc once per package. -for dir in $(find $PKG -name '*.proto' | xargs dirname | sort | uniq); do - echo 1>&2 "* $dir" - protoc --go_out=. $dir/*.proto -done -echo 1>&2 "All OK" diff --git a/vendor/github.com/golang/protobuf/ptypes/timestamp/timestamp.pb.go b/vendor/github.com/golang/protobuf/ptypes/timestamp/timestamp.pb.go index 3b76261ec..6603be739 100644 --- a/vendor/github.com/golang/protobuf/ptypes/timestamp/timestamp.pb.go +++ b/vendor/github.com/golang/protobuf/ptypes/timestamp/timestamp.pb.go @@ -1,15 +1,6 @@ // Code generated by protoc-gen-go. DO NOT EDIT. -// source: github.com/golang/protobuf/ptypes/timestamp/timestamp.proto +// source: google/protobuf/timestamp.proto -/* -Package timestamp is a generated protocol buffer package. - -It is generated from these files: - github.com/golang/protobuf/ptypes/timestamp/timestamp.proto - -It has these top-level messages: - Timestamp -*/ package timestamp import proto "github.com/golang/protobuf/proto" @@ -101,7 +92,7 @@ const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package // to this format using [`strftime`](https://docs.python.org/2/library/time.html#time.strftime) // with the time format spec '%Y-%m-%dT%H:%M:%S.%fZ'. Likewise, in Java, one // can use the Joda Time's [`ISODateTimeFormat.dateTime()`]( -// http://joda-time.sourceforge.net/apidocs/org/joda/time/format/ISODateTimeFormat.html#dateTime()) +// http://www.joda.org/joda-time/apidocs/org/joda/time/format/ISODateTimeFormat.html#dateTime--) // to obtain a formatter capable of generating timestamps in this format. // // @@ -109,19 +100,41 @@ type Timestamp struct { // Represents seconds of UTC time since Unix epoch // 1970-01-01T00:00:00Z. Must be from 0001-01-01T00:00:00Z to // 9999-12-31T23:59:59Z inclusive. - Seconds int64 `protobuf:"varint,1,opt,name=seconds" json:"seconds,omitempty"` + Seconds int64 `protobuf:"varint,1,opt,name=seconds,proto3" json:"seconds,omitempty"` // Non-negative fractions of a second at nanosecond resolution. Negative // second values with fractions must still have non-negative nanos values // that count forward in time. Must be from 0 to 999,999,999 // inclusive. - Nanos int32 `protobuf:"varint,2,opt,name=nanos" json:"nanos,omitempty"` + Nanos int32 `protobuf:"varint,2,opt,name=nanos,proto3" json:"nanos,omitempty"` + XXX_NoUnkeyedLiteral struct{} `json:"-"` + XXX_unrecognized []byte `json:"-"` + XXX_sizecache int32 `json:"-"` +} + +func (m *Timestamp) Reset() { *m = Timestamp{} } +func (m *Timestamp) String() string { return proto.CompactTextString(m) } +func (*Timestamp) ProtoMessage() {} +func (*Timestamp) Descriptor() ([]byte, []int) { + return fileDescriptor_timestamp_b826e8e5fba671a8, []int{0} +} +func (*Timestamp) XXX_WellKnownType() string { return "Timestamp" } +func (m *Timestamp) XXX_Unmarshal(b []byte) error { + return xxx_messageInfo_Timestamp.Unmarshal(m, b) +} +func (m *Timestamp) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) { + return xxx_messageInfo_Timestamp.Marshal(b, m, deterministic) +} +func (dst *Timestamp) XXX_Merge(src proto.Message) { + xxx_messageInfo_Timestamp.Merge(dst, src) +} +func (m *Timestamp) XXX_Size() int { + return xxx_messageInfo_Timestamp.Size(m) +} +func (m *Timestamp) XXX_DiscardUnknown() { + xxx_messageInfo_Timestamp.DiscardUnknown(m) } -func (m *Timestamp) Reset() { *m = Timestamp{} } -func (m *Timestamp) String() string { return proto.CompactTextString(m) } -func (*Timestamp) ProtoMessage() {} -func (*Timestamp) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{0} } -func (*Timestamp) XXX_WellKnownType() string { return "Timestamp" } +var xxx_messageInfo_Timestamp proto.InternalMessageInfo func (m *Timestamp) GetSeconds() int64 { if m != nil { @@ -142,21 +155,21 @@ func init() { } func init() { - proto.RegisterFile("github.com/golang/protobuf/ptypes/timestamp/timestamp.proto", fileDescriptor0) + proto.RegisterFile("google/protobuf/timestamp.proto", fileDescriptor_timestamp_b826e8e5fba671a8) } -var fileDescriptor0 = []byte{ - // 190 bytes of a gzipped FileDescriptorProto - 0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xe2, 0xb2, 0x4e, 0xcf, 0x2c, 0xc9, - 0x28, 0x4d, 0xd2, 0x4b, 0xce, 0xcf, 0xd5, 0x4f, 0xcf, 0xcf, 0x49, 0xcc, 0x4b, 0xd7, 0x2f, 0x28, - 0xca, 0x2f, 0xc9, 0x4f, 0x2a, 0x4d, 0xd3, 0x2f, 0x28, 0xa9, 0x2c, 0x48, 0x2d, 0xd6, 0x2f, 0xc9, - 0xcc, 0x4d, 0x2d, 0x2e, 0x49, 0xcc, 0x2d, 0x40, 0xb0, 0xf4, 0xc0, 0x6a, 0x84, 0xf8, 0xd3, 0xf3, - 0xf3, 0xd3, 0x73, 0x52, 0xf5, 0x60, 0x3a, 0x94, 0xac, 0xb9, 0x38, 0x43, 0x60, 0x6a, 0x84, 0x24, - 0xb8, 0xd8, 0x8b, 0x53, 0x93, 0xf3, 0xf3, 0x52, 0x8a, 0x25, 0x18, 0x15, 0x18, 0x35, 0x98, 0x83, - 0x60, 0x5c, 0x21, 0x11, 0x2e, 0xd6, 0xbc, 0xc4, 0xbc, 0xfc, 0x62, 0x09, 0x26, 0x05, 0x46, 0x0d, - 0xd6, 0x20, 0x08, 0xc7, 0xa9, 0x8e, 0x4b, 0x38, 0x39, 0x3f, 0x57, 0x0f, 0xcd, 0x4c, 0x27, 0x3e, - 0xb8, 0x89, 0x01, 0x20, 0xa1, 0x00, 0xc6, 0x28, 0x6d, 0x12, 0xdc, 0xfc, 0x83, 0x91, 0x71, 0x11, - 0x13, 0xb3, 0x7b, 0x80, 0xd3, 0x2a, 0x26, 0x39, 0x77, 0x88, 0xc9, 0x01, 0x50, 0xb5, 0x7a, 0xe1, - 0xa9, 0x39, 0x39, 0xde, 0x79, 0xf9, 0xe5, 0x79, 0x21, 0x20, 0x3d, 0x49, 0x6c, 0x60, 0x43, 0x8c, - 0x01, 0x01, 0x00, 0x00, 0xff, 0xff, 0x6b, 0x59, 0x0a, 0x4d, 0x13, 0x01, 0x00, 0x00, +var fileDescriptor_timestamp_b826e8e5fba671a8 = []byte{ + // 191 bytes of a gzipped FileDescriptorProto + 0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xe2, 0x92, 0x4f, 0xcf, 0xcf, 0x4f, + 0xcf, 0x49, 0xd5, 0x2f, 0x28, 0xca, 0x2f, 0xc9, 0x4f, 0x2a, 0x4d, 0xd3, 0x2f, 0xc9, 0xcc, 0x4d, + 0x2d, 0x2e, 0x49, 0xcc, 0x2d, 0xd0, 0x03, 0x0b, 0x09, 0xf1, 0x43, 0x14, 0xe8, 0xc1, 0x14, 0x28, + 0x59, 0x73, 0x71, 0x86, 0xc0, 0xd4, 0x08, 0x49, 0x70, 0xb1, 0x17, 0xa7, 0x26, 0xe7, 0xe7, 0xa5, + 0x14, 0x4b, 0x30, 0x2a, 0x30, 0x6a, 0x30, 0x07, 0xc1, 0xb8, 0x42, 0x22, 0x5c, 0xac, 0x79, 0x89, + 0x79, 0xf9, 0xc5, 0x12, 0x4c, 0x0a, 0x8c, 0x1a, 0xac, 0x41, 0x10, 0x8e, 0x53, 0x1d, 0x97, 0x70, + 0x72, 0x7e, 0xae, 0x1e, 0x9a, 0x99, 0x4e, 0x7c, 0x70, 0x13, 0x03, 0x40, 0x42, 0x01, 0x8c, 0x51, + 0xda, 0xe9, 0x99, 0x25, 0x19, 0xa5, 0x49, 0x7a, 0xc9, 0xf9, 0xb9, 0xfa, 0xe9, 0xf9, 0x39, 0x89, + 0x79, 0xe9, 0x08, 0x27, 0x16, 0x94, 0x54, 0x16, 0xa4, 0x16, 0x23, 0x5c, 0xfa, 0x83, 0x91, 0x71, + 0x11, 0x13, 0xb3, 0x7b, 0x80, 0xd3, 0x2a, 0x26, 0x39, 0x77, 0x88, 0xc9, 0x01, 0x50, 0xb5, 0x7a, + 0xe1, 0xa9, 0x39, 0x39, 0xde, 0x79, 0xf9, 0xe5, 0x79, 0x21, 0x20, 0x3d, 0x49, 0x6c, 0x60, 0x43, + 0x8c, 0x01, 0x01, 0x00, 0x00, 0xff, 0xff, 0xbc, 0x77, 0x4a, 0x07, 0xf7, 0x00, 0x00, 0x00, } diff --git a/vendor/github.com/golang/protobuf/ptypes/timestamp/timestamp.proto b/vendor/github.com/golang/protobuf/ptypes/timestamp/timestamp.proto index b7cbd1750..06750ab1f 100644 --- a/vendor/github.com/golang/protobuf/ptypes/timestamp/timestamp.proto +++ b/vendor/github.com/golang/protobuf/ptypes/timestamp/timestamp.proto @@ -114,7 +114,7 @@ option objc_class_prefix = "GPB"; // to this format using [`strftime`](https://docs.python.org/2/library/time.html#time.strftime) // with the time format spec '%Y-%m-%dT%H:%M:%S.%fZ'. Likewise, in Java, one // can use the Joda Time's [`ISODateTimeFormat.dateTime()`]( -// http://joda-time.sourceforge.net/apidocs/org/joda/time/format/ISODateTimeFormat.html#dateTime()) +// http://www.joda.org/joda-time/apidocs/org/joda/time/format/ISODateTimeFormat.html#dateTime--) // to obtain a formatter capable of generating timestamps in this format. // // diff --git a/vendor/github.com/googleapis/gax-go/path_template.go b/vendor/github.com/googleapis/gax-go/path_template.go deleted file mode 100644 index 41bda94cb..000000000 --- a/vendor/github.com/googleapis/gax-go/path_template.go +++ /dev/null @@ -1,176 +0,0 @@ -// Copyright 2016, Google Inc. -// All rights reserved. -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -package gax - -import ( - "errors" - "fmt" - "strings" -) - -type matcher interface { - match([]string) (int, error) - String() string -} - -type segment struct { - matcher - name string -} - -type labelMatcher string - -func (ls labelMatcher) match(segments []string) (int, error) { - if len(segments) == 0 { - return 0, fmt.Errorf("expected %s but no more segments found", ls) - } - if segments[0] != string(ls) { - return 0, fmt.Errorf("expected %s but got %s", ls, segments[0]) - } - return 1, nil -} - -func (ls labelMatcher) String() string { - return string(ls) -} - -type wildcardMatcher int - -func (wm wildcardMatcher) match(segments []string) (int, error) { - if len(segments) == 0 { - return 0, errors.New("no more segments found") - } - return 1, nil -} - -func (wm wildcardMatcher) String() string { - return "*" -} - -type pathWildcardMatcher int - -func (pwm pathWildcardMatcher) match(segments []string) (int, error) { - length := len(segments) - int(pwm) - if length <= 0 { - return 0, errors.New("not sufficient segments are supplied for path wildcard") - } - return length, nil -} - -func (pwm pathWildcardMatcher) String() string { - return "**" -} - -type ParseError struct { - Pos int - Template string - Message string -} - -func (pe ParseError) Error() string { - return fmt.Sprintf("at %d of template '%s', %s", pe.Pos, pe.Template, pe.Message) -} - -// PathTemplate manages the template to build and match with paths used -// by API services. It holds a template and variable names in it, and -// it can extract matched patterns from a path string or build a path -// string from a binding. -// -// See http.proto in github.com/googleapis/googleapis/ for the details of -// the template syntax. -type PathTemplate struct { - segments []segment -} - -// NewPathTemplate parses a path template, and returns a PathTemplate -// instance if successful. -func NewPathTemplate(template string) (*PathTemplate, error) { - return parsePathTemplate(template) -} - -// MustCompilePathTemplate is like NewPathTemplate but panics if the -// expression cannot be parsed. It simplifies safe initialization of -// global variables holding compiled regular expressions. -func MustCompilePathTemplate(template string) *PathTemplate { - pt, err := NewPathTemplate(template) - if err != nil { - panic(err) - } - return pt -} - -// Match attempts to match the given path with the template, and returns -// the mapping of the variable name to the matched pattern string. -func (pt *PathTemplate) Match(path string) (map[string]string, error) { - paths := strings.Split(path, "/") - values := map[string]string{} - for _, segment := range pt.segments { - length, err := segment.match(paths) - if err != nil { - return nil, err - } - if segment.name != "" { - value := strings.Join(paths[:length], "/") - if oldValue, ok := values[segment.name]; ok { - values[segment.name] = oldValue + "/" + value - } else { - values[segment.name] = value - } - } - paths = paths[length:] - } - if len(paths) != 0 { - return nil, fmt.Errorf("Trailing path %s remains after the matching", strings.Join(paths, "/")) - } - return values, nil -} - -// Render creates a path string from its template and the binding from -// the variable name to the value. -func (pt *PathTemplate) Render(binding map[string]string) (string, error) { - result := make([]string, 0, len(pt.segments)) - var lastVariableName string - for _, segment := range pt.segments { - name := segment.name - if lastVariableName != "" && name == lastVariableName { - continue - } - lastVariableName = name - if name == "" { - result = append(result, segment.String()) - } else if value, ok := binding[name]; ok { - result = append(result, value) - } else { - return "", fmt.Errorf("%s is not found", name) - } - } - built := strings.Join(result, "/") - return built, nil -} diff --git a/vendor/github.com/googleapis/gax-go/path_template_parser.go b/vendor/github.com/googleapis/gax-go/path_template_parser.go deleted file mode 100644 index 79c8e759c..000000000 --- a/vendor/github.com/googleapis/gax-go/path_template_parser.go +++ /dev/null @@ -1,227 +0,0 @@ -// Copyright 2016, Google Inc. -// All rights reserved. -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -package gax - -import ( - "fmt" - "io" - "strings" -) - -// This parser follows the syntax of path templates, from -// https://github.com/googleapis/googleapis/blob/master/google/api/http.proto. -// The differences are that there is no custom verb, we allow the initial slash -// to be absent, and that we are not strict as -// https://tools.ietf.org/html/rfc6570 about the characters in identifiers and -// literals. - -type pathTemplateParser struct { - r *strings.Reader - runeCount int // the number of the current rune in the original string - nextVar int // the number to use for the next unnamed variable - seenName map[string]bool // names we've seen already - seenPathWildcard bool // have we seen "**" already? -} - -func parsePathTemplate(template string) (pt *PathTemplate, err error) { - p := &pathTemplateParser{ - r: strings.NewReader(template), - seenName: map[string]bool{}, - } - - // Handle panics with strings like errors. - // See pathTemplateParser.error, below. - defer func() { - if x := recover(); x != nil { - errmsg, ok := x.(errString) - if !ok { - panic(x) - } - pt = nil - err = ParseError{p.runeCount, template, string(errmsg)} - } - }() - - segs := p.template() - // If there is a path wildcard, set its length. We can't do this - // until we know how many segments we've got all together. - for i, seg := range segs { - if _, ok := seg.matcher.(pathWildcardMatcher); ok { - segs[i].matcher = pathWildcardMatcher(len(segs) - i - 1) - break - } - } - return &PathTemplate{segments: segs}, nil - -} - -// Used to indicate errors "thrown" by this parser. We don't use string because -// many parts of the standard library panic with strings. -type errString string - -// Terminates parsing immediately with an error. -func (p *pathTemplateParser) error(msg string) { - panic(errString(msg)) -} - -// Template = [ "/" ] Segments -func (p *pathTemplateParser) template() []segment { - var segs []segment - if p.consume('/') { - // Initial '/' needs an initial empty matcher. - segs = append(segs, segment{matcher: labelMatcher("")}) - } - return append(segs, p.segments("")...) -} - -// Segments = Segment { "/" Segment } -func (p *pathTemplateParser) segments(name string) []segment { - var segs []segment - for { - subsegs := p.segment(name) - segs = append(segs, subsegs...) - if !p.consume('/') { - break - } - } - return segs -} - -// Segment = "*" | "**" | LITERAL | Variable -func (p *pathTemplateParser) segment(name string) []segment { - if p.consume('*') { - if name == "" { - name = fmt.Sprintf("$%d", p.nextVar) - p.nextVar++ - } - if p.consume('*') { - if p.seenPathWildcard { - p.error("multiple '**' disallowed") - } - p.seenPathWildcard = true - // We'll change 0 to the right number at the end. - return []segment{{name: name, matcher: pathWildcardMatcher(0)}} - } - return []segment{{name: name, matcher: wildcardMatcher(0)}} - } - if p.consume('{') { - if name != "" { - p.error("recursive named bindings are not allowed") - } - return p.variable() - } - return []segment{{name: name, matcher: labelMatcher(p.literal())}} -} - -// Variable = "{" FieldPath [ "=" Segments ] "}" -// "{" is already consumed. -func (p *pathTemplateParser) variable() []segment { - // Simplification: treat FieldPath as LITERAL, instead of IDENT { '.' IDENT } - name := p.literal() - if p.seenName[name] { - p.error(name + " appears multiple times") - } - p.seenName[name] = true - var segs []segment - if p.consume('=') { - segs = p.segments(name) - } else { - // "{var}" is equivalent to "{var=*}" - segs = []segment{{name: name, matcher: wildcardMatcher(0)}} - } - if !p.consume('}') { - p.error("expected '}'") - } - return segs -} - -// A literal is any sequence of characters other than a few special ones. -// The list of stop characters is not quite the same as in the template RFC. -func (p *pathTemplateParser) literal() string { - lit := p.consumeUntil("/*}{=") - if lit == "" { - p.error("empty literal") - } - return lit -} - -// Read runes until EOF or one of the runes in stopRunes is encountered. -// If the latter, unread the stop rune. Return the accumulated runes as a string. -func (p *pathTemplateParser) consumeUntil(stopRunes string) string { - var runes []rune - for { - r, ok := p.readRune() - if !ok { - break - } - if strings.IndexRune(stopRunes, r) >= 0 { - p.unreadRune() - break - } - runes = append(runes, r) - } - return string(runes) -} - -// If the next rune is r, consume it and return true. -// Otherwise, leave the input unchanged and return false. -func (p *pathTemplateParser) consume(r rune) bool { - rr, ok := p.readRune() - if !ok { - return false - } - if r == rr { - return true - } - p.unreadRune() - return false -} - -// Read the next rune from the input. Return it. -// The second return value is false at EOF. -func (p *pathTemplateParser) readRune() (rune, bool) { - r, _, err := p.r.ReadRune() - if err == io.EOF { - return r, false - } - if err != nil { - p.error(err.Error()) - } - p.runeCount++ - return r, true -} - -// Put the last rune that was read back on the input. -func (p *pathTemplateParser) unreadRune() { - if err := p.r.UnreadRune(); err != nil { - p.error(err.Error()) - } - p.runeCount-- -} diff --git a/vendor/github.com/ianlancetaylor/demangle/.gitignore b/vendor/github.com/ianlancetaylor/demangle/.gitignore new file mode 100644 index 000000000..4a8b38f46 --- /dev/null +++ b/vendor/github.com/ianlancetaylor/demangle/.gitignore @@ -0,0 +1,13 @@ +*.o +*.a +*.so +._* +.nfs.* +a.out +*~ +*.orig +*.rej +*.exe +.*.swp +core +demangle.test diff --git a/vendor/github.com/ianlancetaylor/demangle/LICENSE b/vendor/github.com/ianlancetaylor/demangle/LICENSE new file mode 100644 index 000000000..d29b37261 --- /dev/null +++ b/vendor/github.com/ianlancetaylor/demangle/LICENSE @@ -0,0 +1,27 @@ +Copyright (c) 2015 The Go Authors. All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are +met: + + * Redistributions of source code must retain the above copyright +notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above +copyright notice, this list of conditions and the following disclaimer +in the documentation and/or other materials provided with the +distribution. + * Neither the name of Google Inc. nor the names of its +contributors may be used to endorse or promote products derived from +this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/vendor/github.com/ianlancetaylor/demangle/README.md b/vendor/github.com/ianlancetaylor/demangle/README.md new file mode 100644 index 000000000..ef3f94a63 --- /dev/null +++ b/vendor/github.com/ianlancetaylor/demangle/README.md @@ -0,0 +1,3 @@ +# github.com/ianlancetaylor/demangle + +A Go package that can be used to demangle C++ symbol names. diff --git a/vendor/github.com/ianlancetaylor/demangle/ast.go b/vendor/github.com/ianlancetaylor/demangle/ast.go new file mode 100644 index 000000000..0ad5354f5 --- /dev/null +++ b/vendor/github.com/ianlancetaylor/demangle/ast.go @@ -0,0 +1,2879 @@ +// Copyright 2015 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package demangle + +import ( + "bytes" + "fmt" + "strings" +) + +// AST is an abstract syntax tree representing a C++ declaration. +// This is sufficient for the demangler but is by no means a general C++ AST. +type AST interface { + // Internal method to convert to demangled string. + print(*printState) + + // Traverse each element of an AST. If the function returns + // false, traversal of children of that element is skipped. + Traverse(func(AST) bool) + + // Copy an AST with possible transformations. + // If the skip function returns true, no copy is required. + // If the copy function returns nil, no copy is required. + // Otherwise the AST returned by copy is used in a copy of the full AST. + // Copy itself returns either a copy or nil. + Copy(copy func(AST) AST, skip func(AST) bool) AST + + // Implement the fmt.GoStringer interface. + GoString() string + goString(indent int, field string) string +} + +// ASTToString returns the demangled name of the AST. +func ASTToString(a AST, options ...Option) string { + tparams := true + for _, o := range options { + switch o { + case NoTemplateParams: + tparams = false + } + } + + ps := printState{tparams: tparams} + a.print(&ps) + return ps.buf.String() +} + +// The printState type holds information needed to print an AST. +type printState struct { + tparams bool // whether to print template parameters + + buf bytes.Buffer + last byte // Last byte written to buffer. + + // The inner field is a list of items to print for a type + // name. This is used by types to implement the inside-out + // C++ declaration syntax. + inner []AST + + // The printing field is a list of items we are currently + // printing. This avoids endless recursion if a substitution + // reference creates a cycle in the graph. + printing []AST +} + +// writeByte adds a byte to the string being printed. +func (ps *printState) writeByte(b byte) { + ps.last = b + ps.buf.WriteByte(b) +} + +// writeString adds a string to the string being printed. +func (ps *printState) writeString(s string) { + if len(s) > 0 { + ps.last = s[len(s)-1] + } + ps.buf.WriteString(s) +} + +// Print an AST. +func (ps *printState) print(a AST) { + c := 0 + for _, v := range ps.printing { + if v == a { + // We permit the type to appear once, and + // return without printing anything if we see + // it twice. This is for a case like + // _Z6outer2IsEPFilES1_, where the + // substitution is printed differently the + // second time because the set of inner types + // is different. + c++ + if c > 1 { + return + } + } + } + ps.printing = append(ps.printing, a) + + a.print(ps) + + ps.printing = ps.printing[:len(ps.printing)-1] +} + +// Name is an unqualified name. +type Name struct { + Name string +} + +func (n *Name) print(ps *printState) { + ps.writeString(n.Name) +} + +func (n *Name) Traverse(fn func(AST) bool) { + fn(n) +} + +func (n *Name) Copy(fn func(AST) AST, skip func(AST) bool) AST { + if skip(n) { + return nil + } + return fn(n) +} + +func (n *Name) GoString() string { + return n.goString(0, "Name: ") +} + +func (n *Name) goString(indent int, field string) string { + return fmt.Sprintf("%*s%s%s", indent, "", field, n.Name) +} + +// Typed is a typed name. +type Typed struct { + Name AST + Type AST +} + +func (t *Typed) print(ps *printState) { + // We are printing a typed name, so ignore the current set of + // inner names to print. Pass down our name as the one to use. + holdInner := ps.inner + defer func() { ps.inner = holdInner }() + + ps.inner = []AST{t} + ps.print(t.Type) + if len(ps.inner) > 0 { + // The type did not print the name; print it now in + // the default location. + ps.writeByte(' ') + ps.print(t.Name) + } +} + +func (t *Typed) printInner(ps *printState) { + ps.print(t.Name) +} + +func (t *Typed) Traverse(fn func(AST) bool) { + if fn(t) { + t.Name.Traverse(fn) + t.Type.Traverse(fn) + } +} + +func (t *Typed) Copy(fn func(AST) AST, skip func(AST) bool) AST { + if skip(t) { + return nil + } + name := t.Name.Copy(fn, skip) + typ := t.Type.Copy(fn, skip) + if name == nil && typ == nil { + return fn(t) + } + if name == nil { + name = t.Name + } + if typ == nil { + typ = t.Type + } + t = &Typed{Name: name, Type: typ} + if r := fn(t); r != nil { + return r + } + return t +} + +func (t *Typed) GoString() string { + return t.goString(0, "") +} + +func (t *Typed) goString(indent int, field string) string { + return fmt.Sprintf("%*s%sTyped:\n%s\n%s", indent, "", field, + t.Name.goString(indent+2, "Name: "), + t.Type.goString(indent+2, "Type: ")) +} + +// Qualified is a name in a scope. +type Qualified struct { + Scope AST + Name AST + + // The LocalName field is true if this is parsed as a + // <local-name>. We shouldn't really need this, but in some + // cases (for the unary sizeof operator) the standard + // demangler prints a local name slightly differently. We + // keep track of this for compatibility. + LocalName bool // A full local name encoding +} + +func (q *Qualified) print(ps *printState) { + ps.print(q.Scope) + ps.writeString("::") + ps.print(q.Name) +} + +func (q *Qualified) Traverse(fn func(AST) bool) { + if fn(q) { + q.Scope.Traverse(fn) + q.Name.Traverse(fn) + } +} + +func (q *Qualified) Copy(fn func(AST) AST, skip func(AST) bool) AST { + if skip(q) { + return nil + } + scope := q.Scope.Copy(fn, skip) + name := q.Name.Copy(fn, skip) + if scope == nil && name == nil { + return fn(q) + } + if scope == nil { + scope = q.Scope + } + if name == nil { + name = q.Name + } + q = &Qualified{Scope: scope, Name: name, LocalName: q.LocalName} + if r := fn(q); r != nil { + return r + } + return q +} + +func (q *Qualified) GoString() string { + return q.goString(0, "") +} + +func (q *Qualified) goString(indent int, field string) string { + s := "" + if q.LocalName { + s = " LocalName: true" + } + return fmt.Sprintf("%*s%sQualified:%s\n%s\n%s", indent, "", field, + s, q.Scope.goString(indent+2, "Scope: "), + q.Name.goString(indent+2, "Name: ")) +} + +// Template is a template with arguments. +type Template struct { + Name AST + Args []AST +} + +func (t *Template) print(ps *printState) { + // Inner types apply to the template as a whole, they don't + // cross over into the template. + holdInner := ps.inner + defer func() { ps.inner = holdInner }() + + ps.inner = nil + ps.print(t.Name) + + if !ps.tparams { + // Do not print template parameters. + return + } + // We need an extra space after operator<. + if ps.last == '<' { + ps.writeByte(' ') + } + + ps.writeByte('<') + first := true + for _, a := range t.Args { + if ps.isEmpty(a) { + continue + } + if !first { + ps.writeString(", ") + } + ps.print(a) + first = false + } + if ps.last == '>' { + // Avoid syntactic ambiguity in old versions of C++. + ps.writeByte(' ') + } + ps.writeByte('>') +} + +func (t *Template) Traverse(fn func(AST) bool) { + if fn(t) { + t.Name.Traverse(fn) + for _, a := range t.Args { + a.Traverse(fn) + } + } +} + +func (t *Template) Copy(fn func(AST) AST, skip func(AST) bool) AST { + if skip(t) { + return nil + } + name := t.Name.Copy(fn, skip) + changed := name != nil + args := make([]AST, len(t.Args)) + for i, a := range t.Args { + ac := a.Copy(fn, skip) + if ac == nil { + args[i] = a + } else { + args[i] = ac + changed = true + } + } + if !changed { + return fn(t) + } + if name == nil { + name = t.Name + } + t = &Template{Name: name, Args: args} + if r := fn(t); r != nil { + return r + } + return t +} + +func (t *Template) GoString() string { + return t.goString(0, "") +} + +func (t *Template) goString(indent int, field string) string { + var args string + if len(t.Args) == 0 { + args = fmt.Sprintf("%*sArgs: nil", indent+2, "") + } else { + args = fmt.Sprintf("%*sArgs:", indent+2, "") + for i, a := range t.Args { + args += "\n" + args += a.goString(indent+4, fmt.Sprintf("%d: ", i)) + } + } + return fmt.Sprintf("%*s%sTemplate (%p):\n%s\n%s", indent, "", field, t, + t.Name.goString(indent+2, "Name: "), args) +} + +// TemplateParam is a template parameter. The Template field is +// filled in while parsing the demangled string. We don't normally +// see these while printing--they are replaced by the simplify +// function. +type TemplateParam struct { + Index int + Template *Template +} + +func (tp *TemplateParam) print(ps *printState) { + if tp.Template == nil { + panic("TemplateParam Template field is nil") + } + if tp.Index >= len(tp.Template.Args) { + panic("TemplateParam Index out of bounds") + } + ps.print(tp.Template.Args[tp.Index]) +} + +func (tp *TemplateParam) Traverse(fn func(AST) bool) { + fn(tp) + // Don't traverse Template--it points elsewhere in the AST. +} + +func (tp *TemplateParam) Copy(fn func(AST) AST, skip func(AST) bool) AST { + if skip(tp) { + return nil + } + return fn(tp) +} + +func (tp *TemplateParam) GoString() string { + return tp.goString(0, "") +} + +func (tp *TemplateParam) goString(indent int, field string) string { + return fmt.Sprintf("%*s%sTemplateParam: Template: %p; Index %d", indent, "", field, tp.Template, tp.Index) +} + +// Qualifiers is an ordered list of type qualifiers. +type Qualifiers []string + +// TypeWithQualifiers is a type with standard qualifiers. +type TypeWithQualifiers struct { + Base AST + Qualifiers Qualifiers +} + +func (twq *TypeWithQualifiers) print(ps *printState) { + // Give the base type a chance to print the inner types. + ps.inner = append(ps.inner, twq) + ps.print(twq.Base) + if len(ps.inner) > 0 { + // The qualifier wasn't printed by Base. + ps.writeByte(' ') + ps.writeString(strings.Join(twq.Qualifiers, " ")) + ps.inner = ps.inner[:len(ps.inner)-1] + } +} + +// Print qualifiers as an inner type by just printing the qualifiers. +func (twq *TypeWithQualifiers) printInner(ps *printState) { + ps.writeByte(' ') + ps.writeString(strings.Join(twq.Qualifiers, " ")) +} + +func (twq *TypeWithQualifiers) Traverse(fn func(AST) bool) { + if fn(twq) { + twq.Base.Traverse(fn) + } +} + +func (twq *TypeWithQualifiers) Copy(fn func(AST) AST, skip func(AST) bool) AST { + if skip(twq) { + return nil + } + base := twq.Base.Copy(fn, skip) + if base == nil { + return fn(twq) + } + twq = &TypeWithQualifiers{Base: base, Qualifiers: twq.Qualifiers} + if r := fn(twq); r != nil { + return r + } + return twq +} + +func (twq *TypeWithQualifiers) GoString() string { + return twq.goString(0, "") +} + +func (twq *TypeWithQualifiers) goString(indent int, field string) string { + return fmt.Sprintf("%*s%sTypeWithQualifiers: Qualifiers: %s\n%s", indent, "", field, + twq.Qualifiers, twq.Base.goString(indent+2, "Base: ")) +} + +// MethodWithQualifiers is a method with qualifiers. +type MethodWithQualifiers struct { + Method AST + Qualifiers Qualifiers + RefQualifier string // "" or "&" or "&&" +} + +func (mwq *MethodWithQualifiers) print(ps *printState) { + // Give the base type a chance to print the inner types. + ps.inner = append(ps.inner, mwq) + ps.print(mwq.Method) + if len(ps.inner) > 0 { + if len(mwq.Qualifiers) > 0 { + ps.writeByte(' ') + ps.writeString(strings.Join(mwq.Qualifiers, " ")) + } + if mwq.RefQualifier != "" { + ps.writeByte(' ') + ps.writeString(mwq.RefQualifier) + } + ps.inner = ps.inner[:len(ps.inner)-1] + } +} + +func (mwq *MethodWithQualifiers) printInner(ps *printState) { + if len(mwq.Qualifiers) > 0 { + ps.writeByte(' ') + ps.writeString(strings.Join(mwq.Qualifiers, " ")) + } + if mwq.RefQualifier != "" { + ps.writeByte(' ') + ps.writeString(mwq.RefQualifier) + } +} + +func (mwq *MethodWithQualifiers) Traverse(fn func(AST) bool) { + if fn(mwq) { + mwq.Method.Traverse(fn) + } +} + +func (mwq *MethodWithQualifiers) Copy(fn func(AST) AST, skip func(AST) bool) AST { + if skip(mwq) { + return nil + } + method := mwq.Method.Copy(fn, skip) + if method == nil { + return fn(mwq) + } + mwq = &MethodWithQualifiers{Method: method, Qualifiers: mwq.Qualifiers, RefQualifier: mwq.RefQualifier} + if r := fn(mwq); r != nil { + return r + } + return mwq +} + +func (mwq *MethodWithQualifiers) GoString() string { + return mwq.goString(0, "") +} + +func (mwq *MethodWithQualifiers) goString(indent int, field string) string { + var q string + if len(mwq.Qualifiers) > 0 { + q += fmt.Sprintf(" Qualifiers: %v", mwq.Qualifiers) + } + if mwq.RefQualifier != "" { + if q != "" { + q += ";" + } + q += " RefQualifier: " + mwq.RefQualifier + } + return fmt.Sprintf("%*s%sMethodWithQualifiers:%s\n%s", indent, "", field, + q, mwq.Method.goString(indent+2, "Method: ")) +} + +// BuiltinType is a builtin type, like "int". +type BuiltinType struct { + Name string +} + +func (bt *BuiltinType) print(ps *printState) { + ps.writeString(bt.Name) +} + +func (bt *BuiltinType) Traverse(fn func(AST) bool) { + fn(bt) +} + +func (bt *BuiltinType) Copy(fn func(AST) AST, skip func(AST) bool) AST { + if skip(bt) { + return nil + } + return fn(bt) +} + +func (bt *BuiltinType) GoString() string { + return bt.goString(0, "") +} + +func (bt *BuiltinType) goString(indent int, field string) string { + return fmt.Sprintf("%*s%sBuiltinType: %s", indent, "", field, bt.Name) +} + +// printBase is common print code for types that are printed with a +// simple suffix. +func printBase(ps *printState, qual, base AST) { + ps.inner = append(ps.inner, qual) + ps.print(base) + if len(ps.inner) > 0 { + qual.(innerPrinter).printInner(ps) + ps.inner = ps.inner[:len(ps.inner)-1] + } +} + +// PointerType is a pointer type. +type PointerType struct { + Base AST +} + +func (pt *PointerType) print(ps *printState) { + printBase(ps, pt, pt.Base) +} + +func (pt *PointerType) printInner(ps *printState) { + ps.writeString("*") +} + +func (pt *PointerType) Traverse(fn func(AST) bool) { + if fn(pt) { + pt.Base.Traverse(fn) + } +} + +func (pt *PointerType) Copy(fn func(AST) AST, skip func(AST) bool) AST { + if skip(pt) { + return nil + } + base := pt.Base.Copy(fn, skip) + if base == nil { + return fn(pt) + } + pt = &PointerType{Base: base} + if r := fn(pt); r != nil { + return r + } + return pt +} + +func (pt *PointerType) GoString() string { + return pt.goString(0, "") +} + +func (pt *PointerType) goString(indent int, field string) string { + return fmt.Sprintf("%*s%sPointerType:\n%s", indent, "", field, + pt.Base.goString(indent+2, "")) +} + +// ReferenceType is a reference type. +type ReferenceType struct { + Base AST +} + +func (rt *ReferenceType) print(ps *printState) { + printBase(ps, rt, rt.Base) +} + +func (rt *ReferenceType) printInner(ps *printState) { + ps.writeString("&") +} + +func (rt *ReferenceType) Traverse(fn func(AST) bool) { + if fn(rt) { + rt.Base.Traverse(fn) + } +} + +func (rt *ReferenceType) Copy(fn func(AST) AST, skip func(AST) bool) AST { + if skip(rt) { + return nil + } + base := rt.Base.Copy(fn, skip) + if base == nil { + return fn(rt) + } + rt = &ReferenceType{Base: base} + if r := fn(rt); r != nil { + return r + } + return rt +} + +func (rt *ReferenceType) GoString() string { + return rt.goString(0, "") +} + +func (rt *ReferenceType) goString(indent int, field string) string { + return fmt.Sprintf("%*s%sReferenceType:\n%s", indent, "", field, + rt.Base.goString(indent+2, "")) +} + +// RvalueReferenceType is an rvalue reference type. +type RvalueReferenceType struct { + Base AST +} + +func (rt *RvalueReferenceType) print(ps *printState) { + printBase(ps, rt, rt.Base) +} + +func (rt *RvalueReferenceType) printInner(ps *printState) { + ps.writeString("&&") +} + +func (rt *RvalueReferenceType) Traverse(fn func(AST) bool) { + if fn(rt) { + rt.Base.Traverse(fn) + } +} + +func (rt *RvalueReferenceType) Copy(fn func(AST) AST, skip func(AST) bool) AST { + if skip(rt) { + return nil + } + base := rt.Base.Copy(fn, skip) + if base == nil { + return fn(rt) + } + rt = &RvalueReferenceType{Base: base} + if r := fn(rt); r != nil { + return r + } + return rt +} + +func (rt *RvalueReferenceType) GoString() string { + return rt.goString(0, "") +} + +func (rt *RvalueReferenceType) goString(indent int, field string) string { + return fmt.Sprintf("%*s%sRvalueReferenceType:\n%s", indent, "", field, + rt.Base.goString(indent+2, "")) +} + +// ComplexType is a complex type. +type ComplexType struct { + Base AST +} + +func (ct *ComplexType) print(ps *printState) { + printBase(ps, ct, ct.Base) +} + +func (ct *ComplexType) printInner(ps *printState) { + ps.writeString(" _Complex") +} + +func (ct *ComplexType) Traverse(fn func(AST) bool) { + if fn(ct) { + ct.Base.Traverse(fn) + } +} + +func (ct *ComplexType) Copy(fn func(AST) AST, skip func(AST) bool) AST { + if skip(ct) { + return nil + } + base := ct.Base.Copy(fn, skip) + if base == nil { + return fn(ct) + } + ct = &ComplexType{Base: base} + if r := fn(ct); r != nil { + return r + } + return ct +} + +func (ct *ComplexType) GoString() string { + return ct.goString(0, "") +} + +func (ct *ComplexType) goString(indent int, field string) string { + return fmt.Sprintf("%*s%sComplexType:\n%s", indent, "", field, + ct.Base.goString(indent+2, "")) +} + +// ImaginaryType is an imaginary type. +type ImaginaryType struct { + Base AST +} + +func (it *ImaginaryType) print(ps *printState) { + printBase(ps, it, it.Base) +} + +func (it *ImaginaryType) printInner(ps *printState) { + ps.writeString(" _Imaginary") +} + +func (it *ImaginaryType) Traverse(fn func(AST) bool) { + if fn(it) { + it.Base.Traverse(fn) + } +} + +func (it *ImaginaryType) Copy(fn func(AST) AST, skip func(AST) bool) AST { + if skip(it) { + return nil + } + base := it.Base.Copy(fn, skip) + if base == nil { + return fn(it) + } + it = &ImaginaryType{Base: base} + if r := fn(it); r != nil { + return r + } + return it +} + +func (it *ImaginaryType) GoString() string { + return it.goString(0, "") +} + +func (it *ImaginaryType) goString(indent int, field string) string { + return fmt.Sprintf("%*s%sImaginaryType:\n%s", indent, "", field, + it.Base.goString(indent+2, "")) +} + +// VendorQualifier is a type qualified by a vendor-specific qualifier. +type VendorQualifier struct { + Qualifier AST + Type AST +} + +func (vq *VendorQualifier) print(ps *printState) { + ps.inner = append(ps.inner, vq) + ps.print(vq.Type) + if len(ps.inner) > 0 { + ps.printOneInner(nil) + } +} + +func (vq *VendorQualifier) printInner(ps *printState) { + ps.writeByte(' ') + ps.print(vq.Qualifier) +} + +func (vq *VendorQualifier) Traverse(fn func(AST) bool) { + if fn(vq) { + vq.Qualifier.Traverse(fn) + vq.Type.Traverse(fn) + } +} + +func (vq *VendorQualifier) Copy(fn func(AST) AST, skip func(AST) bool) AST { + if skip(vq) { + return nil + } + qualifier := vq.Qualifier.Copy(fn, skip) + typ := vq.Type.Copy(fn, skip) + if qualifier == nil && typ == nil { + return fn(vq) + } + if qualifier == nil { + qualifier = vq.Qualifier + } + if typ == nil { + typ = vq.Type + } + vq = &VendorQualifier{Qualifier: qualifier, Type: vq.Type} + if r := fn(vq); r != nil { + return r + } + return vq +} + +func (vq *VendorQualifier) GoString() string { + return vq.goString(0, "") +} + +func (vq *VendorQualifier) goString(indent int, field string) string { + return fmt.Sprintf("%*s%sVendorQualifier:\n%s\n%s", indent, "", field, + vq.Qualifier.goString(indent+2, "Qualifier: "), + vq.Type.goString(indent+2, "Type: ")) +} + +// ArrayType is an array type. +type ArrayType struct { + Dimension AST + Element AST +} + +func (at *ArrayType) print(ps *printState) { + // Pass the array type down as an inner type so that we print + // multi-dimensional arrays correctly. + ps.inner = append(ps.inner, at) + ps.print(at.Element) + if ln := len(ps.inner); ln > 0 { + ps.inner = ps.inner[:ln-1] + at.printDimension(ps) + } +} + +func (at *ArrayType) printInner(ps *printState) { + at.printDimension(ps) +} + +// Print the array dimension. +func (at *ArrayType) printDimension(ps *printState) { + space := " " + for len(ps.inner) > 0 { + // We haven't gotten to the real type yet. Use + // parentheses around that type, except that if it is + // an array type we print it as a multi-dimensional + // array + in := ps.inner[len(ps.inner)-1] + if twq, ok := in.(*TypeWithQualifiers); ok { + in = twq.Base + } + if _, ok := in.(*ArrayType); ok { + if in == ps.inner[len(ps.inner)-1] { + space = "" + } + ps.printOneInner(nil) + } else { + ps.writeString(" (") + ps.printInner(false) + ps.writeByte(')') + } + } + ps.writeString(space) + ps.writeByte('[') + ps.print(at.Dimension) + ps.writeByte(']') +} + +func (at *ArrayType) Traverse(fn func(AST) bool) { + if fn(at) { + at.Dimension.Traverse(fn) + at.Element.Traverse(fn) + } +} + +func (at *ArrayType) Copy(fn func(AST) AST, skip func(AST) bool) AST { + if skip(at) { + return nil + } + dimension := at.Dimension.Copy(fn, skip) + element := at.Element.Copy(fn, skip) + if dimension == nil && element == nil { + return fn(at) + } + if dimension == nil { + dimension = at.Dimension + } + if element == nil { + element = at.Element + } + at = &ArrayType{Dimension: dimension, Element: element} + if r := fn(at); r != nil { + return r + } + return at +} + +func (at *ArrayType) GoString() string { + return at.goString(0, "") +} + +func (at *ArrayType) goString(indent int, field string) string { + return fmt.Sprintf("%*s%sArrayType:\n%s\n%s", indent, "", field, + at.Dimension.goString(indent+2, "Dimension: "), + at.Element.goString(indent+2, "Element: ")) +} + +// FunctionType is a function type. The Return field may be nil for +// cases where the return type is not part of the mangled name. +type FunctionType struct { + Return AST + Args []AST +} + +func (ft *FunctionType) print(ps *printState) { + if ft.Return != nil { + // Pass the return type as an inner type in order to + // print the arguments in the right location. + ps.inner = append(ps.inner, ft) + ps.print(ft.Return) + if len(ps.inner) == 0 { + // Everything was printed. + return + } + ps.inner = ps.inner[:len(ps.inner)-1] + ps.writeByte(' ') + } + ft.printArgs(ps) +} + +func (ft *FunctionType) printInner(ps *printState) { + ft.printArgs(ps) +} + +// printArgs prints the arguments of a function type. It looks at the +// inner types for spacing. +func (ft *FunctionType) printArgs(ps *printState) { + paren := false + space := false + for i := len(ps.inner) - 1; i >= 0; i-- { + switch ps.inner[i].(type) { + case *PointerType, *ReferenceType, *RvalueReferenceType: + paren = true + case *TypeWithQualifiers, *ComplexType, *ImaginaryType, *PtrMem: + space = true + paren = true + } + if paren { + break + } + } + + if paren { + if !space && (ps.last != '(' && ps.last != '*') { + space = true + } + if space && ps.last != ' ' { + ps.writeByte(' ') + } + ps.writeByte('(') + } + + save := ps.printInner(true) + + if paren { + ps.writeByte(')') + } + + ps.writeByte('(') + first := true + for _, a := range ft.Args { + if ps.isEmpty(a) { + continue + } + if !first { + ps.writeString(", ") + } + ps.print(a) + first = false + } + ps.writeByte(')') + + ps.inner = save + ps.printInner(false) +} + +func (ft *FunctionType) Traverse(fn func(AST) bool) { + if fn(ft) { + if ft.Return != nil { + ft.Return.Traverse(fn) + } + for _, a := range ft.Args { + a.Traverse(fn) + } + } +} + +func (ft *FunctionType) Copy(fn func(AST) AST, skip func(AST) bool) AST { + if skip(ft) { + return nil + } + changed := false + var ret AST + if ft.Return != nil { + ret = ft.Return.Copy(fn, skip) + if ret == nil { + ret = ft.Return + } else { + changed = true + } + } + args := make([]AST, len(ft.Args)) + for i, a := range ft.Args { + ac := a.Copy(fn, skip) + if ac == nil { + args[i] = a + } else { + args[i] = ac + changed = true + } + } + if !changed { + return fn(ft) + } + ft = &FunctionType{Return: ret, Args: args} + if r := fn(ft); r != nil { + return r + } + return ft +} + +func (ft *FunctionType) GoString() string { + return ft.goString(0, "") +} + +func (ft *FunctionType) goString(indent int, field string) string { + var r string + if ft.Return == nil { + r = fmt.Sprintf("%*sReturn: nil", indent+2, "") + } else { + r = ft.Return.goString(indent+2, "Return: ") + } + var args string + if len(ft.Args) == 0 { + args = fmt.Sprintf("%*sArgs: nil", indent+2, "") + } else { + args = fmt.Sprintf("%*sArgs:", indent+2, "") + for i, a := range ft.Args { + args += "\n" + args += a.goString(indent+4, fmt.Sprintf("%d: ", i)) + } + } + return fmt.Sprintf("%*s%sFunctionType:\n%s\n%s", indent, "", field, r, args) +} + +// FunctionParam is a parameter of a function, used for last-specified +// return type in a closure. +type FunctionParam struct { + Index int +} + +func (fp *FunctionParam) print(ps *printState) { + if fp.Index == 0 { + ps.writeString("this") + } else { + fmt.Fprintf(&ps.buf, "{parm#%d}", fp.Index) + } +} + +func (fp *FunctionParam) Traverse(fn func(AST) bool) { + fn(fp) +} + +func (fp *FunctionParam) Copy(fn func(AST) AST, skip func(AST) bool) AST { + if skip(fp) { + return nil + } + return fn(fp) +} + +func (fp *FunctionParam) GoString() string { + return fp.goString(0, "") +} + +func (fp *FunctionParam) goString(indent int, field string) string { + return fmt.Sprintf("%*s%sFunctionParam: %d", indent, "", field, fp.Index) +} + +// PtrMem is a pointer-to-member expression. +type PtrMem struct { + Class AST + Member AST +} + +func (pm *PtrMem) print(ps *printState) { + ps.inner = append(ps.inner, pm) + ps.print(pm.Member) + if len(ps.inner) > 0 { + ps.printOneInner(nil) + } +} + +func (pm *PtrMem) printInner(ps *printState) { + if ps.last != '(' { + ps.writeByte(' ') + } + ps.print(pm.Class) + ps.writeString("::*") +} + +func (pm *PtrMem) Traverse(fn func(AST) bool) { + if fn(pm) { + pm.Class.Traverse(fn) + pm.Member.Traverse(fn) + } +} + +func (pm *PtrMem) Copy(fn func(AST) AST, skip func(AST) bool) AST { + if skip(pm) { + return nil + } + class := pm.Class.Copy(fn, skip) + member := pm.Member.Copy(fn, skip) + if class == nil && member == nil { + return fn(pm) + } + if class == nil { + class = pm.Class + } + if member == nil { + member = pm.Member + } + pm = &PtrMem{Class: class, Member: member} + if r := fn(pm); r != nil { + return r + } + return pm +} + +func (pm *PtrMem) GoString() string { + return pm.goString(0, "") +} + +func (pm *PtrMem) goString(indent int, field string) string { + return fmt.Sprintf("%*s%sPtrMem:\n%s\n%s", indent, "", field, + pm.Class.goString(indent+2, "Class: "), + pm.Member.goString(indent+2, "Member: ")) +} + +// FixedType is a fixed numeric type of unknown size. +type FixedType struct { + Base AST + Accum bool + Sat bool +} + +func (ft *FixedType) print(ps *printState) { + if ft.Sat { + ps.writeString("_Sat ") + } + if bt, ok := ft.Base.(*BuiltinType); ok && bt.Name == "int" { + // The standard demangler skips printing "int". + } else { + ps.print(ft.Base) + ps.writeByte(' ') + } + if ft.Accum { + ps.writeString("_Accum") + } else { + ps.writeString("_Fract") + } +} + +func (ft *FixedType) Traverse(fn func(AST) bool) { + if fn(ft) { + ft.Base.Traverse(fn) + } +} + +func (ft *FixedType) Copy(fn func(AST) AST, skip func(AST) bool) AST { + if skip(ft) { + return nil + } + base := ft.Base.Copy(fn, skip) + if base == nil { + return fn(ft) + } + ft = &FixedType{Base: base, Accum: ft.Accum, Sat: ft.Sat} + if r := fn(ft); r != nil { + return r + } + return ft +} + +func (ft *FixedType) GoString() string { + return ft.goString(0, "") +} + +func (ft *FixedType) goString(indent int, field string) string { + return fmt.Sprintf("%*s%sFixedType: Accum: %t; Sat: %t\n%s", indent, "", field, + ft.Accum, ft.Sat, + ft.Base.goString(indent+2, "Base: ")) +} + +// VectorType is a vector type. +type VectorType struct { + Dimension AST + Base AST +} + +func (vt *VectorType) print(ps *printState) { + ps.inner = append(ps.inner, vt) + ps.print(vt.Base) + if len(ps.inner) > 0 { + ps.printOneInner(nil) + } +} + +func (vt *VectorType) printInner(ps *printState) { + ps.writeString(" __vector(") + ps.print(vt.Dimension) + ps.writeByte(')') +} + +func (vt *VectorType) Traverse(fn func(AST) bool) { + if fn(vt) { + vt.Dimension.Traverse(fn) + vt.Base.Traverse(fn) + } +} + +func (vt *VectorType) Copy(fn func(AST) AST, skip func(AST) bool) AST { + if skip(vt) { + return nil + } + dimension := vt.Dimension.Copy(fn, skip) + base := vt.Base.Copy(fn, skip) + if dimension == nil && base == nil { + return fn(vt) + } + if dimension == nil { + dimension = vt.Dimension + } + if base == nil { + base = vt.Base + } + vt = &VectorType{Dimension: dimension, Base: base} + if r := fn(vt); r != nil { + return r + } + return vt +} + +func (vt *VectorType) GoString() string { + return vt.goString(0, "") +} + +func (vt *VectorType) goString(indent int, field string) string { + return fmt.Sprintf("%*s%sVectorType:\n%s\n%s", indent, "", field, + vt.Dimension.goString(indent+2, "Dimension: "), + vt.Base.goString(indent+2, "Base: ")) +} + +// Decltype is the decltype operator. +type Decltype struct { + Expr AST +} + +func (dt *Decltype) print(ps *printState) { + ps.writeString("decltype (") + ps.print(dt.Expr) + ps.writeByte(')') +} + +func (dt *Decltype) Traverse(fn func(AST) bool) { + if fn(dt) { + dt.Expr.Traverse(fn) + } +} + +func (dt *Decltype) Copy(fn func(AST) AST, skip func(AST) bool) AST { + if skip(dt) { + return nil + } + expr := dt.Expr.Copy(fn, skip) + if expr == nil { + return fn(dt) + } + dt = &Decltype{Expr: expr} + if r := fn(dt); r != nil { + return r + } + return dt +} + +func (dt *Decltype) GoString() string { + return dt.goString(0, "") +} + +func (dt *Decltype) goString(indent int, field string) string { + return fmt.Sprintf("%*s%sDecltype:\n%s", indent, "", field, + dt.Expr.goString(indent+2, "Expr: ")) +} + +// Operator is an operator. +type Operator struct { + Name string +} + +func (op *Operator) print(ps *printState) { + ps.writeString("operator") + if isLower(op.Name[0]) { + ps.writeByte(' ') + } + n := op.Name + n = strings.TrimSuffix(n, " ") + ps.writeString(n) +} + +func (op *Operator) Traverse(fn func(AST) bool) { + fn(op) +} + +func (op *Operator) Copy(fn func(AST) AST, skip func(AST) bool) AST { + if skip(op) { + return nil + } + return fn(op) +} + +func (op *Operator) GoString() string { + return op.goString(0, "") +} + +func (op *Operator) goString(indent int, field string) string { + return fmt.Sprintf("%*s%sOperator: %s", indent, "", field, op.Name) +} + +// Constructor is a constructor. +type Constructor struct { + Name AST +} + +func (c *Constructor) print(ps *printState) { + ps.print(c.Name) +} + +func (c *Constructor) Traverse(fn func(AST) bool) { + if fn(c) { + c.Name.Traverse(fn) + } +} + +func (c *Constructor) Copy(fn func(AST) AST, skip func(AST) bool) AST { + if skip(c) { + return nil + } + name := c.Name.Copy(fn, skip) + if name == nil { + return fn(c) + } + c = &Constructor{Name: name} + if r := fn(c); r != nil { + return r + } + return c +} + +func (c *Constructor) GoString() string { + return c.goString(0, "") +} + +func (c *Constructor) goString(indent int, field string) string { + return fmt.Sprintf("%*s%sConstructor:\n%s", indent, "", field, c.Name.goString(indent+2, "Name: ")) +} + +// Destructor is a destructor. +type Destructor struct { + Name AST +} + +func (d *Destructor) print(ps *printState) { + ps.writeByte('~') + ps.print(d.Name) +} + +func (d *Destructor) Traverse(fn func(AST) bool) { + if fn(d) { + d.Name.Traverse(fn) + } +} + +func (d *Destructor) Copy(fn func(AST) AST, skip func(AST) bool) AST { + if skip(d) { + return nil + } + name := d.Name.Copy(fn, skip) + if name == nil { + return fn(d) + } + d = &Destructor{Name: name} + if r := fn(d); r != nil { + return r + } + return d +} + +func (d *Destructor) GoString() string { + return d.goString(0, "") +} + +func (d *Destructor) goString(indent int, field string) string { + return fmt.Sprintf("%*s%sDestructor:\n%s", indent, "", field, d.Name.goString(indent+2, "Name: ")) +} + +// GlobalCDtor is a global constructor or destructor. +type GlobalCDtor struct { + Ctor bool + Key AST +} + +func (gcd *GlobalCDtor) print(ps *printState) { + ps.writeString("global ") + if gcd.Ctor { + ps.writeString("constructors") + } else { + ps.writeString("destructors") + } + ps.writeString(" keyed to ") + ps.print(gcd.Key) +} + +func (gcd *GlobalCDtor) Traverse(fn func(AST) bool) { + if fn(gcd) { + gcd.Key.Traverse(fn) + } +} + +func (gcd *GlobalCDtor) Copy(fn func(AST) AST, skip func(AST) bool) AST { + if skip(gcd) { + return nil + } + key := gcd.Key.Copy(fn, skip) + if key == nil { + return fn(gcd) + } + gcd = &GlobalCDtor{Ctor: gcd.Ctor, Key: key} + if r := fn(gcd); r != nil { + return r + } + return gcd +} + +func (gcd *GlobalCDtor) GoString() string { + return gcd.goString(0, "") +} + +func (gcd *GlobalCDtor) goString(indent int, field string) string { + return fmt.Sprintf("%*s%sGlobalCDtor: Ctor: %t\n%s", indent, "", field, + gcd.Ctor, gcd.Key.goString(indent+2, "Key: ")) +} + +// TaggedName is a name with an ABI tag. +type TaggedName struct { + Name AST + Tag AST +} + +func (t *TaggedName) print(ps *printState) { + ps.print(t.Name) + ps.writeString("[abi:") + ps.print(t.Tag) + ps.writeByte(']') +} + +func (t *TaggedName) Traverse(fn func(AST) bool) { + if fn(t) { + t.Name.Traverse(fn) + t.Tag.Traverse(fn) + } +} + +func (t *TaggedName) Copy(fn func(AST) AST, skip func(AST) bool) AST { + if skip(t) { + return nil + } + name := t.Name.Copy(fn, skip) + tag := t.Tag.Copy(fn, skip) + if name == nil && tag == nil { + return fn(t) + } + if name == nil { + name = t.Name + } + if tag == nil { + tag = t.Tag + } + t = &TaggedName{Name: name, Tag: tag} + if r := fn(t); r != nil { + return r + } + return t +} + +func (t *TaggedName) GoString() string { + return t.goString(0, "") +} + +func (t *TaggedName) goString(indent int, field string) string { + return fmt.Sprintf("%*s%sTaggedName:\n%s\n%s", indent, "", field, + t.Name.goString(indent+2, "Name: "), + t.Tag.goString(indent+2, "Tag: ")) +} + +// PackExpansion is a pack expansion. The Pack field may be nil. +type PackExpansion struct { + Base AST + Pack *ArgumentPack +} + +func (pe *PackExpansion) print(ps *printState) { + // We normally only get here if the simplify function was + // unable to locate and expand the pack. + if pe.Pack == nil { + parenthesize(ps, pe.Base) + ps.writeString("...") + } else { + ps.print(pe.Base) + } +} + +func (pe *PackExpansion) Traverse(fn func(AST) bool) { + if fn(pe) { + pe.Base.Traverse(fn) + // Don't traverse Template--it points elsewhere in the AST. + } +} + +func (pe *PackExpansion) Copy(fn func(AST) AST, skip func(AST) bool) AST { + if skip(pe) { + return nil + } + base := pe.Base.Copy(fn, skip) + if base == nil { + return fn(pe) + } + pe = &PackExpansion{Base: base, Pack: pe.Pack} + if r := fn(pe); r != nil { + return r + } + return pe +} + +func (pe *PackExpansion) GoString() string { + return pe.goString(0, "") +} + +func (pe *PackExpansion) goString(indent int, field string) string { + return fmt.Sprintf("%*s%sPackExpansion: Pack: %p\n%s", indent, "", field, + pe.Pack, pe.Base.goString(indent+2, "Base: ")) +} + +// ArgumentPack is an argument pack. +type ArgumentPack struct { + Args []AST +} + +func (ap *ArgumentPack) print(ps *printState) { + for i, a := range ap.Args { + if i > 0 { + ps.writeString(", ") + } + ps.print(a) + } +} + +func (ap *ArgumentPack) Traverse(fn func(AST) bool) { + if fn(ap) { + for _, a := range ap.Args { + a.Traverse(fn) + } + } +} + +func (ap *ArgumentPack) Copy(fn func(AST) AST, skip func(AST) bool) AST { + if skip(ap) { + return nil + } + args := make([]AST, len(ap.Args)) + changed := false + for i, a := range ap.Args { + ac := a.Copy(fn, skip) + if ac == nil { + args[i] = a + } else { + args[i] = ac + changed = true + } + } + if !changed { + return fn(ap) + } + ap = &ArgumentPack{Args: args} + if r := fn(ap); r != nil { + return r + } + return ap +} + +func (ap *ArgumentPack) GoString() string { + return ap.goString(0, "") +} + +func (ap *ArgumentPack) goString(indent int, field string) string { + if len(ap.Args) == 0 { + return fmt.Sprintf("%*s%sArgumentPack: nil", indent, "", field) + } + s := fmt.Sprintf("%*s%sArgumentPack:", indent, "", field) + for i, a := range ap.Args { + s += "\n" + s += a.goString(indent+2, fmt.Sprintf("%d: ", i)) + } + return s +} + +// SizeofPack is the sizeof operator applied to an argument pack. +type SizeofPack struct { + Pack *ArgumentPack +} + +func (sp *SizeofPack) print(ps *printState) { + ps.writeString(fmt.Sprintf("%d", len(sp.Pack.Args))) +} + +func (sp *SizeofPack) Traverse(fn func(AST) bool) { + fn(sp) + // Don't traverse the pack--it points elsewhere in the AST. +} + +func (sp *SizeofPack) Copy(fn func(AST) AST, skip func(AST) bool) AST { + if skip(sp) { + return nil + } + sp = &SizeofPack{Pack: sp.Pack} + if r := fn(sp); r != nil { + return r + } + return sp +} + +func (sp *SizeofPack) GoString() string { + return sp.goString(0, "") +} + +func (sp *SizeofPack) goString(indent int, field string) string { + return fmt.Sprintf("%*s%sSizeofPack: Pack: %p", indent, "", field, sp.Pack) +} + +// SizeofArgs is the size of a captured template parameter pack from +// an alias template. +type SizeofArgs struct { + Args []AST +} + +func (sa *SizeofArgs) print(ps *printState) { + c := 0 + for _, a := range sa.Args { + if ap, ok := a.(*ArgumentPack); ok { + c += len(ap.Args) + } else if el, ok := a.(*ExprList); ok { + c += len(el.Exprs) + } else { + c++ + } + } + ps.writeString(fmt.Sprintf("%d", c)) +} + +func (sa *SizeofArgs) Traverse(fn func(AST) bool) { + if fn(sa) { + for _, a := range sa.Args { + a.Traverse(fn) + } + } +} + +func (sa *SizeofArgs) Copy(fn func(AST) AST, skip func(AST) bool) AST { + if skip(sa) { + return nil + } + changed := false + args := make([]AST, len(sa.Args)) + for i, a := range sa.Args { + ac := a.Copy(fn, skip) + if ac == nil { + args[i] = a + } else { + args[i] = ac + changed = true + } + } + if !changed { + return fn(sa) + } + sa = &SizeofArgs{Args: args} + if r := fn(sa); r != nil { + return r + } + return sa +} + +func (sa *SizeofArgs) GoString() string { + return sa.goString(0, "") +} + +func (sa *SizeofArgs) goString(indent int, field string) string { + var args string + if len(sa.Args) == 0 { + args = fmt.Sprintf("%*sArgs: nil", indent+2, "") + } else { + args = fmt.Sprintf("%*sArgs:", indent+2, "") + for i, a := range sa.Args { + args += "\n" + args += a.goString(indent+4, fmt.Sprintf("%d: ", i)) + } + } + return fmt.Sprintf("%*s%sSizeofArgs:\n%s", indent, "", field, args) +} + +// Cast is a type cast. +type Cast struct { + To AST +} + +func (c *Cast) print(ps *printState) { + ps.writeString("operator ") + ps.print(c.To) +} + +func (c *Cast) Traverse(fn func(AST) bool) { + if fn(c) { + c.To.Traverse(fn) + } +} + +func (c *Cast) Copy(fn func(AST) AST, skip func(AST) bool) AST { + if skip(c) { + return nil + } + to := c.To.Copy(fn, skip) + if to == nil { + return fn(c) + } + c = &Cast{To: to} + if r := fn(c); r != nil { + return r + } + return c +} + +func (c *Cast) GoString() string { + return c.goString(0, "") +} + +func (c *Cast) goString(indent int, field string) string { + return fmt.Sprintf("%*s%sCast\n%s", indent, "", field, + c.To.goString(indent+2, "To: ")) +} + +// The parenthesize function prints the string for val, wrapped in +// parentheses if necessary. +func parenthesize(ps *printState, val AST) { + paren := false + switch v := val.(type) { + case *Name, *InitializerList, *FunctionParam: + case *Qualified: + if v.LocalName { + paren = true + } + default: + paren = true + } + if paren { + ps.writeByte('(') + } + ps.print(val) + if paren { + ps.writeByte(')') + } +} + +// Nullary is an operator in an expression with no arguments, such as +// throw. +type Nullary struct { + Op AST +} + +func (n *Nullary) print(ps *printState) { + if op, ok := n.Op.(*Operator); ok { + ps.writeString(op.Name) + } else { + ps.print(n.Op) + } +} + +func (n *Nullary) Traverse(fn func(AST) bool) { + if fn(n) { + n.Op.Traverse(fn) + } +} + +func (n *Nullary) Copy(fn func(AST) AST, skip func(AST) bool) AST { + if skip(n) { + return nil + } + op := n.Op.Copy(fn, skip) + if op == nil { + return fn(n) + } + n = &Nullary{Op: op} + if r := fn(n); r != nil { + return r + } + return n +} + +func (n *Nullary) GoString() string { + return n.goString(0, "") +} + +func (n *Nullary) goString(indent int, field string) string { + return fmt.Sprintf("%*s%sNullary:\n%s", indent, "", field, + n.Op.goString(indent+2, "Op: ")) +} + +// Unary is a unary operation in an expression. +type Unary struct { + Op AST + Expr AST + Suffix bool // true for ++ -- when used as postfix + SizeofType bool // true for sizeof (type) +} + +func (u *Unary) print(ps *printState) { + expr := u.Expr + + // Don't print the argument list when taking the address of a + // function. + if op, ok := u.Op.(*Operator); ok && op.Name == "&" { + if t, ok := expr.(*Typed); ok { + if _, ok := t.Type.(*FunctionType); ok { + expr = t.Name + } + } + } + + if u.Suffix { + parenthesize(ps, expr) + } + + if op, ok := u.Op.(*Operator); ok { + ps.writeString(op.Name) + } else if c, ok := u.Op.(*Cast); ok { + ps.writeByte('(') + ps.print(c.To) + ps.writeByte(')') + } else { + ps.print(u.Op) + } + + if !u.Suffix { + if op, ok := u.Op.(*Operator); ok && op.Name == "::" { + // Don't use parentheses after ::. + ps.print(expr) + } else if u.SizeofType { + // Always use parentheses for sizeof argument. + ps.writeByte('(') + ps.print(expr) + ps.writeByte(')') + } else { + parenthesize(ps, expr) + } + } +} + +func (u *Unary) Traverse(fn func(AST) bool) { + if fn(u) { + u.Op.Traverse(fn) + u.Expr.Traverse(fn) + } +} + +func (u *Unary) Copy(fn func(AST) AST, skip func(AST) bool) AST { + if skip(u) { + return nil + } + op := u.Op.Copy(fn, skip) + expr := u.Expr.Copy(fn, skip) + if op == nil && expr == nil { + return fn(u) + } + if op == nil { + op = u.Op + } + if expr == nil { + expr = u.Expr + } + u = &Unary{Op: op, Expr: expr, Suffix: u.Suffix, SizeofType: u.SizeofType} + if r := fn(u); r != nil { + return r + } + return u +} + +func (u *Unary) GoString() string { + return u.goString(0, "") +} + +func (u *Unary) goString(indent int, field string) string { + var s string + if u.Suffix { + s = " Suffix: true" + } + if u.SizeofType { + s += " SizeofType: true" + } + return fmt.Sprintf("%*s%sUnary:%s\n%s\n%s", indent, "", field, + s, u.Op.goString(indent+2, "Op: "), + u.Expr.goString(indent+2, "Expr: ")) +} + +// Binary is a binary operation in an expression. +type Binary struct { + Op AST + Left AST + Right AST +} + +func (b *Binary) print(ps *printState) { + op, _ := b.Op.(*Operator) + + if op != nil && strings.Contains(op.Name, "cast") { + ps.writeString(op.Name) + ps.writeByte('<') + ps.print(b.Left) + ps.writeString(">(") + ps.print(b.Right) + ps.writeByte(')') + return + } + + // Use an extra set of parentheses around an expression that + // uses the greater-than operator, so that it does not get + // confused with the '>' that ends template parameters. + if op != nil && op.Name == ">" { + ps.writeByte('(') + } + + left := b.Left + + // A function call in an expression should not print the types + // of the arguments. + if op != nil && op.Name == "()" { + if ty, ok := b.Left.(*Typed); ok { + left = ty.Name + } + } + + parenthesize(ps, left) + + if op != nil && op.Name == "[]" { + ps.writeByte('[') + ps.print(b.Right) + ps.writeByte(']') + return + } + + if op != nil { + if op.Name != "()" { + ps.writeString(op.Name) + } + } else { + ps.print(b.Op) + } + + parenthesize(ps, b.Right) + + if op != nil && op.Name == ">" { + ps.writeByte(')') + } +} + +func (b *Binary) Traverse(fn func(AST) bool) { + if fn(b) { + b.Op.Traverse(fn) + b.Left.Traverse(fn) + b.Right.Traverse(fn) + } +} + +func (b *Binary) Copy(fn func(AST) AST, skip func(AST) bool) AST { + if skip(b) { + return nil + } + op := b.Op.Copy(fn, skip) + left := b.Left.Copy(fn, skip) + right := b.Right.Copy(fn, skip) + if op == nil && left == nil && right == nil { + return fn(b) + } + if op == nil { + op = b.Op + } + if left == nil { + left = b.Left + } + if right == nil { + right = b.Right + } + b = &Binary{Op: op, Left: left, Right: right} + if r := fn(b); r != nil { + return r + } + return b +} + +func (b *Binary) GoString() string { + return b.goString(0, "") +} + +func (b *Binary) goString(indent int, field string) string { + return fmt.Sprintf("%*s%sBinary:\n%s\n%s\n%s", indent, "", field, + b.Op.goString(indent+2, "Op: "), + b.Left.goString(indent+2, "Left: "), + b.Right.goString(indent+2, "Right: ")) +} + +// Trinary is the ?: trinary operation in an expression. +type Trinary struct { + Op AST + First AST + Second AST + Third AST +} + +func (t *Trinary) print(ps *printState) { + parenthesize(ps, t.First) + ps.writeByte('?') + parenthesize(ps, t.Second) + ps.writeString(" : ") + parenthesize(ps, t.Third) +} + +func (t *Trinary) Traverse(fn func(AST) bool) { + if fn(t) { + t.Op.Traverse(fn) + t.First.Traverse(fn) + t.Second.Traverse(fn) + t.Third.Traverse(fn) + } +} + +func (t *Trinary) Copy(fn func(AST) AST, skip func(AST) bool) AST { + if skip(t) { + return nil + } + op := t.Op.Copy(fn, skip) + first := t.First.Copy(fn, skip) + second := t.Second.Copy(fn, skip) + third := t.Third.Copy(fn, skip) + if op == nil && first == nil && second == nil && third == nil { + return fn(t) + } + if op == nil { + op = t.Op + } + if first == nil { + first = t.First + } + if second == nil { + second = t.Second + } + if third == nil { + third = t.Third + } + t = &Trinary{Op: op, First: first, Second: second, Third: third} + if r := fn(t); r != nil { + return r + } + return t +} + +func (t *Trinary) GoString() string { + return t.goString(0, "") +} + +func (t *Trinary) goString(indent int, field string) string { + return fmt.Sprintf("%*s%sTrinary:\n%s\n%s\n%s\n%s", indent, "", field, + t.Op.goString(indent+2, "Op: "), + t.First.goString(indent+2, "First: "), + t.Second.goString(indent+2, "Second: "), + t.Third.goString(indent+2, "Third: ")) +} + +// Fold is a C++17 fold-expression. Arg2 is nil for a unary operator. +type Fold struct { + Left bool + Op AST + Arg1 AST + Arg2 AST +} + +func (f *Fold) print(ps *printState) { + op, _ := f.Op.(*Operator) + printOp := func() { + if op != nil { + ps.writeString(op.Name) + } else { + ps.print(f.Op) + } + } + + if f.Arg2 == nil { + if f.Left { + ps.writeString("(...") + printOp() + parenthesize(ps, f.Arg1) + ps.writeString(")") + } else { + ps.writeString("(") + parenthesize(ps, f.Arg1) + printOp() + ps.writeString("...)") + } + } else { + ps.writeString("(") + parenthesize(ps, f.Arg1) + printOp() + ps.writeString("...") + printOp() + parenthesize(ps, f.Arg2) + ps.writeString(")") + } +} + +func (f *Fold) Traverse(fn func(AST) bool) { + if fn(f) { + f.Op.Traverse(fn) + f.Arg1.Traverse(fn) + if f.Arg2 != nil { + f.Arg2.Traverse(fn) + } + } +} + +func (f *Fold) Copy(fn func(AST) AST, skip func(AST) bool) AST { + if skip(f) { + return nil + } + op := f.Op.Copy(fn, skip) + arg1 := f.Arg1.Copy(fn, skip) + var arg2 AST + if f.Arg2 != nil { + arg2 = f.Arg2.Copy(fn, skip) + } + if op == nil && arg1 == nil && arg2 == nil { + return fn(f) + } + if op == nil { + op = f.Op + } + if arg1 == nil { + arg1 = f.Arg1 + } + if arg2 == nil { + arg2 = f.Arg2 + } + f = &Fold{Left: f.Left, Op: op, Arg1: arg1, Arg2: arg2} + if r := fn(f); r != nil { + return r + } + return f +} + +func (f *Fold) GoString() string { + return f.goString(0, "") +} + +func (f *Fold) goString(indent int, field string) string { + if f.Arg2 == nil { + return fmt.Sprintf("%*s%sFold: Left: %t\n%s\n%s", indent, "", field, + f.Left, f.Op.goString(indent+2, "Op: "), + f.Arg1.goString(indent+2, "Arg1: ")) + } else { + return fmt.Sprintf("%*s%sFold: Left: %t\n%s\n%s\n%s", indent, "", field, + f.Left, f.Op.goString(indent+2, "Op: "), + f.Arg1.goString(indent+2, "Arg1: "), + f.Arg2.goString(indent+2, "Arg2: ")) + } +} + +// New is a use of operator new in an expression. +type New struct { + Op AST + Place AST + Type AST + Init AST +} + +func (n *New) print(ps *printState) { + // Op doesn't really matter for printing--we always print "new". + ps.writeString("new ") + if n.Place != nil { + parenthesize(ps, n.Place) + ps.writeByte(' ') + } + ps.print(n.Type) + if n.Init != nil { + parenthesize(ps, n.Init) + } +} + +func (n *New) Traverse(fn func(AST) bool) { + if fn(n) { + n.Op.Traverse(fn) + if n.Place != nil { + n.Place.Traverse(fn) + } + n.Type.Traverse(fn) + if n.Init != nil { + n.Init.Traverse(fn) + } + } +} + +func (n *New) Copy(fn func(AST) AST, skip func(AST) bool) AST { + if skip(n) { + return nil + } + op := n.Op.Copy(fn, skip) + var place AST + if n.Place != nil { + place = n.Place.Copy(fn, skip) + } + typ := n.Type.Copy(fn, skip) + var ini AST + if n.Init != nil { + ini = n.Init.Copy(fn, skip) + } + if op == nil && place == nil && typ == nil && ini == nil { + return fn(n) + } + if op == nil { + op = n.Op + } + if place == nil { + place = n.Place + } + if typ == nil { + typ = n.Type + } + if ini == nil { + ini = n.Init + } + n = &New{Op: op, Place: place, Type: typ, Init: ini} + if r := fn(n); r != nil { + return r + } + return n +} + +func (n *New) GoString() string { + return n.goString(0, "") +} + +func (n *New) goString(indent int, field string) string { + var place string + if n.Place == nil { + place = fmt.Sprintf("%*sPlace: nil", indent, "") + } else { + place = n.Place.goString(indent+2, "Place: ") + } + var ini string + if n.Init == nil { + ini = fmt.Sprintf("%*sInit: nil", indent, "") + } else { + ini = n.Init.goString(indent+2, "Init: ") + } + return fmt.Sprintf("%*s%sNew:\n%s\n%s\n%s\n%s", indent, "", field, + n.Op.goString(indent+2, "Op: "), place, + n.Type.goString(indent+2, "Type: "), ini) +} + +// Literal is a literal in an expression. +type Literal struct { + Type AST + Val string + Neg bool +} + +// Suffixes to use for constants of the given integer type. +var builtinTypeSuffix = map[string]string{ + "int": "", + "unsigned int": "u", + "long": "l", + "unsigned long": "ul", + "long long": "ll", + "unsigned long long": "ull", +} + +// Builtin float types. +var builtinTypeFloat = map[string]bool{ + "double": true, + "long double": true, + "float": true, + "__float128": true, + "half": true, +} + +func (l *Literal) print(ps *printState) { + isFloat := false + if b, ok := l.Type.(*BuiltinType); ok { + if suffix, ok := builtinTypeSuffix[b.Name]; ok { + if l.Neg { + ps.writeByte('-') + } + ps.writeString(l.Val) + ps.writeString(suffix) + return + } else if b.Name == "bool" && !l.Neg { + switch l.Val { + case "0": + ps.writeString("false") + return + case "1": + ps.writeString("true") + return + } + } else { + isFloat = builtinTypeFloat[b.Name] + } + } + + ps.writeByte('(') + ps.print(l.Type) + ps.writeByte(')') + + if isFloat { + ps.writeByte('[') + } + if l.Neg { + ps.writeByte('-') + } + ps.writeString(l.Val) + if isFloat { + ps.writeByte(']') + } +} + +func (l *Literal) Traverse(fn func(AST) bool) { + if fn(l) { + l.Type.Traverse(fn) + } +} + +func (l *Literal) Copy(fn func(AST) AST, skip func(AST) bool) AST { + if skip(l) { + return nil + } + typ := l.Type.Copy(fn, skip) + if typ == nil { + return fn(l) + } + l = &Literal{Type: typ, Val: l.Val, Neg: l.Neg} + if r := fn(l); r != nil { + return r + } + return l +} + +func (l *Literal) GoString() string { + return l.goString(0, "") +} + +func (l *Literal) goString(indent int, field string) string { + var neg string + if l.Neg { + neg = " Neg: true" + } + return fmt.Sprintf("%*s%sLiteral:%s\n%s\n%*sVal: %s", indent, "", field, + neg, l.Type.goString(indent+2, "Type: "), + indent+2, "", l.Val) +} + +// ExprList is a list of expressions, typically arguments to a +// function call in an expression. +type ExprList struct { + Exprs []AST +} + +func (el *ExprList) print(ps *printState) { + for i, e := range el.Exprs { + if i > 0 { + ps.writeString(", ") + } + ps.print(e) + } +} + +func (el *ExprList) Traverse(fn func(AST) bool) { + if fn(el) { + for _, e := range el.Exprs { + e.Traverse(fn) + } + } +} + +func (el *ExprList) Copy(fn func(AST) AST, skip func(AST) bool) AST { + if skip(el) { + return nil + } + exprs := make([]AST, len(el.Exprs)) + changed := false + for i, e := range el.Exprs { + ec := e.Copy(fn, skip) + if ec == nil { + exprs[i] = e + } else { + exprs[i] = ec + changed = true + } + } + if !changed { + return fn(el) + } + el = &ExprList{Exprs: exprs} + if r := fn(el); r != nil { + return r + } + return el +} + +func (el *ExprList) GoString() string { + return el.goString(0, "") +} + +func (el *ExprList) goString(indent int, field string) string { + if len(el.Exprs) == 0 { + return fmt.Sprintf("%*s%sExprList: nil", indent, "", field) + } + s := fmt.Sprintf("%*s%sExprList:", indent, "", field) + for i, e := range el.Exprs { + s += "\n" + s += e.goString(indent+2, fmt.Sprintf("%d: ", i)) + } + return s +} + +// InitializerList is an initializer list: an optional type with a +// list of expressions. +type InitializerList struct { + Type AST + Exprs AST +} + +func (il *InitializerList) print(ps *printState) { + if il.Type != nil { + ps.print(il.Type) + } + ps.writeByte('{') + ps.print(il.Exprs) + ps.writeByte('}') +} + +func (il *InitializerList) Traverse(fn func(AST) bool) { + if fn(il) { + if il.Type != nil { + il.Type.Traverse(fn) + } + il.Exprs.Traverse(fn) + } +} + +func (il *InitializerList) Copy(fn func(AST) AST, skip func(AST) bool) AST { + if skip(il) { + return nil + } + var typ AST + if il.Type != nil { + typ = il.Type.Copy(fn, skip) + } + exprs := il.Exprs.Copy(fn, skip) + if typ == nil && exprs == nil { + return fn(il) + } + if typ == nil { + typ = il.Type + } + if exprs == nil { + exprs = il.Exprs + } + il = &InitializerList{Type: typ, Exprs: exprs} + if r := fn(il); r != nil { + return r + } + return il +} + +func (il *InitializerList) GoString() string { + return il.goString(0, "") +} + +func (il *InitializerList) goString(indent int, field string) string { + var t string + if il.Type == nil { + t = fmt.Sprintf("%*sType: nil", indent+2, "") + } else { + t = il.Type.goString(indent+2, "Type: ") + } + return fmt.Sprintf("%*s%sInitializerList:\n%s\n%s", indent, "", field, + t, il.Exprs.goString(indent+2, "Exprs: ")) +} + +// DefaultArg holds a default argument for a local name. +type DefaultArg struct { + Num int + Arg AST +} + +func (da *DefaultArg) print(ps *printState) { + fmt.Fprintf(&ps.buf, "{default arg#%d}::", da.Num+1) + ps.print(da.Arg) +} + +func (da *DefaultArg) Traverse(fn func(AST) bool) { + if fn(da) { + da.Arg.Traverse(fn) + } +} + +func (da *DefaultArg) Copy(fn func(AST) AST, skip func(AST) bool) AST { + if skip(da) { + return nil + } + arg := da.Arg.Copy(fn, skip) + if arg == nil { + return fn(da) + } + da = &DefaultArg{Num: da.Num, Arg: arg} + if r := fn(da); r != nil { + return r + } + return da +} + +func (da *DefaultArg) GoString() string { + return da.goString(0, "") +} + +func (da *DefaultArg) goString(indent int, field string) string { + return fmt.Sprintf("%*s%sDefaultArg: Num: %d\n%s", indent, "", field, da.Num, + da.Arg.goString(indent+2, "Arg: ")) +} + +// Closure is a closure, or lambda expression. +type Closure struct { + Types []AST + Num int +} + +func (cl *Closure) print(ps *printState) { + ps.writeString("{lambda(") + for i, t := range cl.Types { + if i > 0 { + ps.writeString(", ") + } + ps.print(t) + } + ps.writeString(fmt.Sprintf(")#%d}", cl.Num+1)) +} + +func (cl *Closure) Traverse(fn func(AST) bool) { + if fn(cl) { + for _, t := range cl.Types { + t.Traverse(fn) + } + } +} + +func (cl *Closure) Copy(fn func(AST) AST, skip func(AST) bool) AST { + if skip(cl) { + return nil + } + types := make([]AST, len(cl.Types)) + changed := false + for i, t := range cl.Types { + tc := t.Copy(fn, skip) + if tc == nil { + types[i] = t + } else { + types[i] = tc + changed = true + } + } + if !changed { + return fn(cl) + } + cl = &Closure{Types: types, Num: cl.Num} + if r := fn(cl); r != nil { + return r + } + return cl +} + +func (cl *Closure) GoString() string { + return cl.goString(0, "") +} + +func (cl *Closure) goString(indent int, field string) string { + var types string + if len(cl.Types) == 0 { + types = fmt.Sprintf("%*sTypes: nil", indent+2, "") + } else { + types = fmt.Sprintf("%*sTypes:", indent+2, "") + for i, t := range cl.Types { + types += "\n" + types += t.goString(indent+4, fmt.Sprintf("%d: ", i)) + } + } + return fmt.Sprintf("%*s%sClosure: Num: %d\n%s", indent, "", field, cl.Num, types) +} + +// UnnamedType is an unnamed type, that just has an index. +type UnnamedType struct { + Num int +} + +func (ut *UnnamedType) print(ps *printState) { + ps.writeString(fmt.Sprintf("{unnamed type#%d}", ut.Num+1)) +} + +func (ut *UnnamedType) Traverse(fn func(AST) bool) { + fn(ut) +} + +func (ut *UnnamedType) Copy(fn func(AST) AST, skip func(AST) bool) AST { + if skip(ut) { + return nil + } + return fn(ut) +} + +func (ut *UnnamedType) GoString() string { + return ut.goString(0, "") +} + +func (ut *UnnamedType) goString(indent int, field string) string { + return fmt.Sprintf("%*s%sUnnamedType: Num: %d", indent, "", field, ut.Num) +} + +// Clone is a clone of a function, with a distinguishing suffix. +type Clone struct { + Base AST + Suffix string +} + +func (c *Clone) print(ps *printState) { + ps.print(c.Base) + ps.writeString(fmt.Sprintf(" [clone %s]", c.Suffix)) +} + +func (c *Clone) Traverse(fn func(AST) bool) { + if fn(c) { + c.Base.Traverse(fn) + } +} + +func (c *Clone) Copy(fn func(AST) AST, skip func(AST) bool) AST { + if skip(c) { + return nil + } + base := c.Base.Copy(fn, skip) + if base == nil { + return fn(c) + } + c = &Clone{Base: base, Suffix: c.Suffix} + if r := fn(c); r != nil { + return r + } + return c +} + +func (c *Clone) GoString() string { + return c.goString(0, "") +} + +func (c *Clone) goString(indent int, field string) string { + return fmt.Sprintf("%*s%sClone: Suffix: %s\n%s", indent, "", field, + c.Suffix, c.Base.goString(indent+2, "Base: ")) +} + +// Special is a special symbol, printed as a prefix plus another +// value. +type Special struct { + Prefix string + Val AST +} + +func (s *Special) print(ps *printState) { + ps.writeString(s.Prefix) + ps.print(s.Val) +} + +func (s *Special) Traverse(fn func(AST) bool) { + if fn(s) { + s.Val.Traverse(fn) + } +} + +func (s *Special) Copy(fn func(AST) AST, skip func(AST) bool) AST { + if skip(s) { + return nil + } + val := s.Val.Copy(fn, skip) + if val == nil { + return fn(s) + } + s = &Special{Prefix: s.Prefix, Val: val} + if r := fn(s); r != nil { + return r + } + return s +} + +func (s *Special) GoString() string { + return s.goString(0, "") +} + +func (s *Special) goString(indent int, field string) string { + return fmt.Sprintf("%*s%sSpecial: Prefix: %s\n%s", indent, "", field, + s.Prefix, s.Val.goString(indent+2, "Val: ")) +} + +// Special2 is like special, but uses two values. +type Special2 struct { + Prefix string + Val1 AST + Middle string + Val2 AST +} + +func (s *Special2) print(ps *printState) { + ps.writeString(s.Prefix) + ps.print(s.Val1) + ps.writeString(s.Middle) + ps.print(s.Val2) +} + +func (s *Special2) Traverse(fn func(AST) bool) { + if fn(s) { + s.Val1.Traverse(fn) + s.Val2.Traverse(fn) + } +} + +func (s *Special2) Copy(fn func(AST) AST, skip func(AST) bool) AST { + if skip(s) { + return nil + } + val1 := s.Val1.Copy(fn, skip) + val2 := s.Val2.Copy(fn, skip) + if val1 == nil && val2 == nil { + return fn(s) + } + if val1 == nil { + val1 = s.Val1 + } + if val2 == nil { + val2 = s.Val2 + } + s = &Special2{Prefix: s.Prefix, Val1: val1, Middle: s.Middle, Val2: val2} + if r := fn(s); r != nil { + return r + } + return s +} + +func (s *Special2) GoString() string { + return s.goString(0, "") +} + +func (s *Special2) goString(indent int, field string) string { + return fmt.Sprintf("%*s%sSpecial2: Prefix: %s\n%s\n%*sMiddle: %s\n%s", indent, "", field, + s.Prefix, s.Val1.goString(indent+2, "Val1: "), + indent+2, "", s.Middle, s.Val2.goString(indent+2, "Val2: ")) +} + +// Print the inner types. +func (ps *printState) printInner(prefixOnly bool) []AST { + var save []AST + var psave *[]AST + if prefixOnly { + psave = &save + } + for len(ps.inner) > 0 { + ps.printOneInner(psave) + } + return save +} + +// innerPrinter is an interface for types that can print themselves as +// inner types. +type innerPrinter interface { + printInner(*printState) +} + +// Print the most recent inner type. If save is not nil, only print +// prefixes. +func (ps *printState) printOneInner(save *[]AST) { + if len(ps.inner) == 0 { + panic("printOneInner called with no inner types") + } + ln := len(ps.inner) + a := ps.inner[ln-1] + ps.inner = ps.inner[:ln-1] + + if save != nil { + if _, ok := a.(*MethodWithQualifiers); ok { + *save = append(*save, a) + return + } + } + + if ip, ok := a.(innerPrinter); ok { + ip.printInner(ps) + } else { + ps.print(a) + } +} + +// isEmpty returns whether printing a will not print anything. +func (ps *printState) isEmpty(a AST) bool { + switch a := a.(type) { + case *ArgumentPack: + return len(a.Args) == 0 + case *ExprList: + return len(a.Exprs) == 0 + case *PackExpansion: + return a.Pack != nil && ps.isEmpty(a.Base) + default: + return false + } +} diff --git a/vendor/github.com/ianlancetaylor/demangle/c++filt.go b/vendor/github.com/ianlancetaylor/demangle/c++filt.go new file mode 100644 index 000000000..7ba817c9f --- /dev/null +++ b/vendor/github.com/ianlancetaylor/demangle/c++filt.go @@ -0,0 +1,144 @@ +// Copyright 2015 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// +build ignore + +// This is a program that works like the GNU c++filt program. +// It's here for testing purposes and as an example. + +package main + +import ( + "bufio" + "flag" + "fmt" + "io" + "os" + "strings" + "unicode" + + "github.com/ianlancetaylor/demangle" +) + +func flagUsage() { + usage(os.Stderr, 2) +} + +func usage(w io.Writer, status int) { + fmt.Fprintf(w, "Usage: %s [options] [mangled names]\n", os.Args[0]) + flag.CommandLine.SetOutput(w) + flag.PrintDefaults() + fmt.Fprintln(w, `Demangled names are displayed to stdout +If a name cannot be demangled it is just echoed to stdout. +If no names are provided on the command line, stdin is read.`) + os.Exit(status) +} + +var stripUnderscore = flag.Bool("_", false, "Ignore first leading underscore") +var noParams = flag.Bool("p", false, "Do not display function argument types") +var noVerbose = flag.Bool("i", false, "Do not show implementation details (if any)") +var help = flag.Bool("h", false, "Display help information") +var debug = flag.Bool("d", false, "Display debugging information for strings on command line") + +// Unimplemented c++filt flags: +// -n (opposite of -_) +// -t (demangle types) +// -s (set demangling style) +// -V (print version information) + +// Characters considered to be part of a symbol. +const symbolChars = "_$." + +func main() { + flag.Usage = func() { usage(os.Stderr, 1) } + flag.Parse() + + if *help { + usage(os.Stdout, 0) + } + + out := bufio.NewWriter(os.Stdout) + + if flag.NArg() > 0 { + for _, f := range flag.Args() { + if *debug { + a, err := demangle.ToAST(f, options()...) + if err != nil { + fmt.Fprintf(os.Stderr, "%s: %v\n", f, err) + } else { + fmt.Fprintf(out, "%#v\n", a) + } + } else { + doDemangle(out, f) + } + out.WriteByte('\n') + } + if err := out.Flush(); err != nil { + fmt.Fprintln(os.Stderr, err) + os.Exit(2) + } + return + } + + scanner := bufio.NewScanner(bufio.NewReader(os.Stdin)) + for scanner.Scan() { + line := scanner.Text() + start := -1 + for i, c := range line { + if unicode.IsLetter(c) || unicode.IsNumber(c) || strings.ContainsRune(symbolChars, c) { + if start < 0 { + start = i + } + } else { + if start >= 0 { + doDemangle(out, line[start:i]) + } + out.WriteRune(c) + start = -1 + } + } + if start >= 0 { + doDemangle(out, line[start:]) + start = -1 + } + out.WriteByte('\n') + if err := out.Flush(); err != nil { + fmt.Fprintln(os.Stderr, err) + os.Exit(2) + } + } +} + +// Demangle a string just as the GNU c++filt program does. +func doDemangle(out *bufio.Writer, name string) { + skip := 0 + if name[0] == '.' || name[0] == '$' { + skip++ + } + if *stripUnderscore && name[skip] == '_' { + skip++ + } + result := demangle.Filter(name[skip:], options()...) + if result == name[skip:] { + out.WriteString(name) + } else { + if name[0] == '.' { + out.WriteByte('.') + } + out.WriteString(result) + } +} + +// options returns the demangling options to use based on the command +// line flags. +func options() []demangle.Option { + var options []demangle.Option + if *noParams { + options = append(options, demangle.NoParams) + } + if !*noVerbose { + options = append(options, demangle.Verbose) + } + return options +} diff --git a/vendor/github.com/ianlancetaylor/demangle/demangle.go b/vendor/github.com/ianlancetaylor/demangle/demangle.go new file mode 100644 index 000000000..c46744017 --- /dev/null +++ b/vendor/github.com/ianlancetaylor/demangle/demangle.go @@ -0,0 +1,2501 @@ +// Copyright 2015 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Package demangle defines functions that demangle GCC/LLVM C++ symbol names. +// This package recognizes names that were mangled according to the C++ ABI +// defined at http://codesourcery.com/cxx-abi/. +package demangle + +import ( + "errors" + "fmt" + "strings" +) + +// ErrNotMangledName is returned by CheckedDemangle if the string does +// not appear to be a C++ symbol name. +var ErrNotMangledName = errors.New("not a C++ mangled name") + +// Option is the type of demangler options. +type Option int + +const ( + // The NoParams option disables demangling of function parameters. + NoParams Option = iota + + // The NoTemplateParams option disables demangling of template parameters. + NoTemplateParams + + // The NoClones option disables inclusion of clone suffixes. + // NoParams implies NoClones. + NoClones + + // The Verbose option turns on more verbose demangling. + Verbose +) + +// Filter demangles a C++ symbol name, returning the human-readable C++ name. +// If any error occurs during demangling, the input string is returned. +func Filter(name string, options ...Option) string { + ret, err := ToString(name, options...) + if err != nil { + return name + } + return ret +} + +// ToString demangles a C++ symbol name, returning human-readable C++ +// name or an error. +// If the name does not appear to be a C++ symbol name at all, the +// error will be ErrNotMangledName. +func ToString(name string, options ...Option) (string, error) { + a, err := ToAST(name, options...) + if err != nil { + return "", err + } + return ASTToString(a, options...), nil +} + +// ToAST demangles a C++ symbol name into an abstract syntax tree +// representing the symbol. +// If the NoParams option is passed, and the name has a function type, +// the parameter types are not demangled. +// If the name does not appear to be a C++ symbol name at all, the +// error will be ErrNotMangledName. +func ToAST(name string, options ...Option) (AST, error) { + if strings.HasPrefix(name, "_Z") { + a, err := doDemangle(name[2:], options...) + return a, adjustErr(err, 2) + } + + const prefix = "_GLOBAL_" + if strings.HasPrefix(name, prefix) { + // The standard demangler ignores NoParams for global + // constructors. We are compatible. + i := 0 + for i < len(options) { + if options[i] == NoParams { + options = append(options[:i], options[i+1:]...) + } else { + i++ + } + } + a, err := globalCDtorName(name[len(prefix):], options...) + return a, adjustErr(err, len(prefix)) + } + + return nil, ErrNotMangledName +} + +// globalCDtorName demangles a global constructor/destructor symbol name. +// The parameter is the string following the "_GLOBAL_" prefix. +func globalCDtorName(name string, options ...Option) (AST, error) { + if len(name) < 4 { + return nil, ErrNotMangledName + } + switch name[0] { + case '.', '_', '$': + default: + return nil, ErrNotMangledName + } + + var ctor bool + switch name[1] { + case 'I': + ctor = true + case 'D': + ctor = false + default: + return nil, ErrNotMangledName + } + + if name[2] != '_' { + return nil, ErrNotMangledName + } + + if !strings.HasPrefix(name[3:], "_Z") { + return &GlobalCDtor{Ctor: ctor, Key: &Name{Name: name}}, nil + } else { + a, err := doDemangle(name[5:], options...) + if err != nil { + return nil, adjustErr(err, 5) + } + return &GlobalCDtor{Ctor: ctor, Key: a}, nil + } +} + +// The doDemangle function is the entry point into the demangler proper. +func doDemangle(name string, options ...Option) (ret AST, err error) { + // When the demangling routines encounter an error, they panic + // with a value of type demangleErr. + defer func() { + if r := recover(); r != nil { + if de, ok := r.(demangleErr); ok { + ret = nil + err = de + return + } + panic(r) + } + }() + + params := true + clones := true + verbose := false + for _, o := range options { + switch o { + case NoParams: + params = false + clones = false + case NoTemplateParams: + // This is a valid option but only affect printing of the AST. + case NoClones: + clones = false + case Verbose: + verbose = true + default: + return nil, fmt.Errorf("unrecognized demangler option %v", o) + } + } + + st := &state{str: name, verbose: verbose} + a := st.encoding(params) + + // Accept a clone suffix. + if clones { + for len(st.str) > 1 && st.str[0] == '.' && (isLower(st.str[1]) || st.str[1] == '_' || isDigit(st.str[1])) { + a = st.cloneSuffix(a) + } + } + + if clones && len(st.str) > 0 { + st.fail("unparsed characters at end of mangled name") + } + + return a, nil +} + +// A state holds the current state of demangling a string. +type state struct { + str string // remainder of string to demangle + verbose bool // whether to use verbose demangling + off int // offset of str within original string + subs substitutions // substitutions + templates []*Template // templates being processed +} + +// copy returns a copy of the current state. +func (st *state) copy() *state { + n := new(state) + *n = *st + return n +} + +// fail panics with demangleErr, to be caught in doDemangle. +func (st *state) fail(err string) { + panic(demangleErr{err: err, off: st.off}) +} + +// failEarlier is like fail, but decrements the offset to indicate +// that the point of failure occurred earlier in the string. +func (st *state) failEarlier(err string, dec int) { + if st.off < dec { + panic("internal error") + } + panic(demangleErr{err: err, off: st.off - dec}) +} + +// advance advances the current string offset. +func (st *state) advance(add int) { + if len(st.str) < add { + panic("internal error") + } + st.str = st.str[add:] + st.off += add +} + +// checkChar requires that the next character in the string be c, and +// advances past it. +func (st *state) checkChar(c byte) { + if len(st.str) == 0 || st.str[0] != c { + panic("internal error") + } + st.advance(1) +} + +// A demangleErr is an error at a specific offset in the mangled +// string. +type demangleErr struct { + err string + off int +} + +// Error implements the builtin error interface for demangleErr. +func (de demangleErr) Error() string { + return fmt.Sprintf("%s at %d", de.err, de.off) +} + +// adjustErr adjusts the position of err, if it is a demangleErr, +// and returns err. +func adjustErr(err error, adj int) error { + if err == nil { + return nil + } + if de, ok := err.(demangleErr); ok { + de.off += adj + return de + } + return err +} + +// encoding ::= <(function) name> <bare-function-type> +// <(data) name> +// <special-name> +func (st *state) encoding(params bool) AST { + if len(st.str) < 1 { + st.fail("expected encoding") + } + + if st.str[0] == 'G' || st.str[0] == 'T' { + return st.specialName() + } + + a := st.name() + a = simplify(a) + + if !params { + // Don't demangle the parameters. + + // Strip CV-qualifiers, as they apply to the 'this' + // parameter, and are not output by the standard + // demangler without parameters. + if mwq, ok := a.(*MethodWithQualifiers); ok { + a = mwq.Method + } + + // If this is a local name, there may be CV-qualifiers + // on the name that really apply to the top level, and + // therefore must be discarded when discarding + // parameters. This can happen when parsing a class + // that is local to a function. + if q, ok := a.(*Qualified); ok && q.LocalName { + p := &q.Name + if da, ok := (*p).(*DefaultArg); ok { + p = &da.Arg + } + if mwq, ok := (*p).(*MethodWithQualifiers); ok { + *p = mwq.Method + } + } + + return a + } + + if len(st.str) == 0 || st.str[0] == 'E' { + // There are no parameters--this is a data symbol, not + // a function symbol. + return a + } + + check := a + mwq, _ := check.(*MethodWithQualifiers) + if mwq != nil { + check = mwq.Method + } + template, _ := check.(*Template) + if template != nil { + st.templates = append(st.templates, template) + } + + ft := st.bareFunctionType(hasReturnType(a)) + + if template != nil { + st.templates = st.templates[:len(st.templates)-1] + } + + ft = simplify(ft) + + // Any top-level qualifiers belong to the function type. + if mwq != nil { + a = mwq.Method + mwq.Method = ft + ft = mwq + } + if q, ok := a.(*Qualified); ok && q.LocalName { + p := &q.Name + if da, ok := (*p).(*DefaultArg); ok { + p = &da.Arg + } + if mwq, ok := (*p).(*MethodWithQualifiers); ok { + *p = mwq.Method + mwq.Method = ft + ft = mwq + } + } + + return &Typed{Name: a, Type: ft} +} + +// hasReturnType returns whether the mangled form of a will have a +// return type. +func hasReturnType(a AST) bool { + switch a := a.(type) { + case *Template: + return !isCDtorConversion(a.Name) + case *TypeWithQualifiers: + return hasReturnType(a.Base) + case *MethodWithQualifiers: + return hasReturnType(a.Method) + default: + return false + } +} + +// isCDtorConversion returns when an AST is a constructor, a +// destructor, or a conversion operator. +func isCDtorConversion(a AST) bool { + switch a := a.(type) { + case *Qualified: + return isCDtorConversion(a.Name) + case *Constructor, *Destructor, *Cast: + return true + default: + return false + } +} + +// <tagged-name> ::= <name> B <source-name> +func (st *state) taggedName(a AST) AST { + for len(st.str) > 0 && st.str[0] == 'B' { + st.advance(1) + tag := st.sourceName() + a = &TaggedName{Name: a, Tag: tag} + } + return a +} + +// <name> ::= <nested-name> +// ::= <unscoped-name> +// ::= <unscoped-template-name> <template-args> +// ::= <local-name> +// +// <unscoped-name> ::= <unqualified-name> +// ::= St <unqualified-name> +// +// <unscoped-template-name> ::= <unscoped-name> +// ::= <substitution> +func (st *state) name() AST { + if len(st.str) < 1 { + st.fail("expected name") + } + switch st.str[0] { + case 'N': + return st.nestedName() + case 'Z': + return st.localName() + case 'U': + a, isCast := st.unqualifiedName() + if isCast { + st.setTemplate(a, nil) + } + return a + case 'S': + if len(st.str) < 2 { + st.advance(1) + st.fail("expected substitution index") + } + var a AST + isCast := false + subst := false + if st.str[1] == 't' { + st.advance(2) + a, isCast = st.unqualifiedName() + a = &Qualified{Scope: &Name{Name: "std"}, Name: a, LocalName: false} + } else { + a = st.substitution(false) + subst = true + } + if len(st.str) > 0 && st.str[0] == 'I' { + // This can only happen if we saw + // <unscoped-template-name> and are about to see + // <template-args>. <unscoped-template-name> is a + // substitution candidate if it did not come from a + // substitution. + if !subst { + st.subs.add(a) + } + args := st.templateArgs() + tmpl := &Template{Name: a, Args: args} + if isCast { + st.setTemplate(a, tmpl) + st.clearTemplateArgs(args) + isCast = false + } + a = tmpl + } + if isCast { + st.setTemplate(a, nil) + } + return a + + default: + a, isCast := st.unqualifiedName() + if len(st.str) > 0 && st.str[0] == 'I' { + st.subs.add(a) + args := st.templateArgs() + tmpl := &Template{Name: a, Args: args} + if isCast { + st.setTemplate(a, tmpl) + st.clearTemplateArgs(args) + isCast = false + } + a = tmpl + } + if isCast { + st.setTemplate(a, nil) + } + return a + } +} + +// <nested-name> ::= N [<CV-qualifiers>] [<ref-qualifier>] <prefix> <unqualified-name> E +// ::= N [<CV-qualifiers>] [<ref-qualifier>] <template-prefix> <template-args> E +func (st *state) nestedName() AST { + st.checkChar('N') + q := st.cvQualifiers() + r := st.refQualifier() + a := st.prefix() + if len(q) > 0 || r != "" { + a = &MethodWithQualifiers{Method: a, Qualifiers: q, RefQualifier: r} + } + if len(st.str) == 0 || st.str[0] != 'E' { + st.fail("expected E after nested name") + } + st.advance(1) + return a +} + +// <prefix> ::= <prefix> <unqualified-name> +// ::= <template-prefix> <template-args> +// ::= <template-param> +// ::= <decltype> +// ::= +// ::= <substitution> +// +// <template-prefix> ::= <prefix> <(template) unqualified-name> +// ::= <template-param> +// ::= <substitution> +// +// <decltype> ::= Dt <expression> E +// ::= DT <expression> E +func (st *state) prefix() AST { + var a AST + + // The last name seen, for a constructor/destructor. + var last AST + + getLast := func(a AST) AST { + for { + if t, ok := a.(*Template); ok { + a = t.Name + } else if q, ok := a.(*Qualified); ok { + a = q.Name + } else if t, ok := a.(*TaggedName); ok { + a = t.Name + } else { + return a + } + } + } + + isCast := false + for { + if len(st.str) == 0 { + st.fail("expected prefix") + } + var next AST + + c := st.str[0] + if isDigit(c) || isLower(c) || c == 'U' || c == 'L' { + un, isUnCast := st.unqualifiedName() + next = un + if isUnCast { + isCast = true + } + } else { + switch st.str[0] { + case 'C': + if len(st.str) < 2 { + st.fail("expected constructor type") + } + if last == nil { + st.fail("constructor before name is seen") + } + st.advance(2) + next = &Constructor{Name: getLast(last)} + case 'D': + if len(st.str) > 1 && (st.str[1] == 'T' || st.str[1] == 't') { + next = st.demangleType(false) + } else { + if len(st.str) < 2 { + st.fail("expected destructor type") + } + if last == nil { + st.fail("destructor before name is seen") + } + st.advance(2) + next = &Destructor{Name: getLast(last)} + } + case 'S': + next = st.substitution(true) + case 'I': + if a == nil { + st.fail("unexpected template arguments") + } + var args []AST + args = st.templateArgs() + tmpl := &Template{Name: a, Args: args} + if isCast { + st.setTemplate(a, tmpl) + st.clearTemplateArgs(args) + isCast = false + } + a = nil + next = tmpl + case 'T': + next = st.templateParam() + case 'E': + if a == nil { + st.fail("expected prefix") + } + if isCast { + st.setTemplate(a, nil) + } + return a + case 'M': + if a == nil { + st.fail("unexpected lambda initializer") + } + // This is the initializer scope for a + // lambda. We don't need to record + // it. The normal code will treat the + // variable has a type scope, which + // gives appropriate output. + st.advance(1) + continue + default: + st.fail("unrecognized letter in prefix") + } + } + last = next + if a == nil { + a = next + } else { + a = &Qualified{Scope: a, Name: next, LocalName: false} + } + + if c != 'S' && (len(st.str) == 0 || st.str[0] != 'E') { + st.subs.add(a) + } + } +} + +// <unqualified-name> ::= <operator-name> +// ::= <ctor-dtor-name> +// ::= <source-name> +// ::= <local-source-name> +// +// <local-source-name> ::= L <source-name> <discriminator> +func (st *state) unqualifiedName() (r AST, isCast bool) { + if len(st.str) < 1 { + st.fail("expected unqualified name") + } + var a AST + isCast = false + c := st.str[0] + if isDigit(c) { + a = st.sourceName() + } else if isLower(c) { + a, _ = st.operatorName(false) + if _, ok := a.(*Cast); ok { + isCast = true + } + if op, ok := a.(*Operator); ok && op.Name == `operator"" ` { + n := st.sourceName() + a = &Unary{Op: op, Expr: n, Suffix: false, SizeofType: false} + } + } else { + switch c { + case 'C', 'D': + st.fail("constructor/destructor not in nested name") + case 'L': + st.advance(1) + a = st.sourceName() + a = st.discriminator(a) + case 'U': + if len(st.str) < 2 { + st.advance(1) + st.fail("expected closure or unnamed type") + } + c := st.str[1] + switch c { + case 'l': + a = st.closureTypeName() + case 't': + a = st.unnamedTypeName() + default: + st.advance(1) + st.fail("expected closure or unnamed type") + } + default: + st.fail("expected unqualified name") + } + } + + if len(st.str) > 0 && st.str[0] == 'B' { + a = st.taggedName(a) + } + + return a, isCast +} + +// <source-name> ::= <(positive length) number> <identifier> +// identifier ::= <(unqualified source code identifier)> +func (st *state) sourceName() AST { + val := st.number() + if val <= 0 { + st.fail("expected positive number") + } + if len(st.str) < val { + st.fail("not enough characters for identifier") + } + id := st.str[:val] + st.advance(val) + + // Look for GCC encoding of anonymous namespace, and make it + // more friendly. + const anonPrefix = "_GLOBAL_" + if strings.HasPrefix(id, anonPrefix) && len(id) > len(anonPrefix)+2 { + c1 := id[len(anonPrefix)] + c2 := id[len(anonPrefix)+1] + if (c1 == '.' || c1 == '_' || c1 == '$') && c2 == 'N' { + id = "(anonymous namespace)" + } + } + + n := &Name{Name: id} + return n +} + +// number ::= [n] <(non-negative decimal integer)> +func (st *state) number() int { + neg := false + if len(st.str) > 0 && st.str[0] == 'n' { + neg = true + st.advance(1) + } + if len(st.str) == 0 || !isDigit(st.str[0]) { + st.fail("missing number") + } + val := 0 + for len(st.str) > 0 && isDigit(st.str[0]) { + // Number picked to ensure we can't overflow with 32-bit int. + // Any very large number here is bogus. + if val >= 0x80000000/10-10 { + st.fail("numeric overflow") + } + val = val*10 + int(st.str[0]-'0') + st.advance(1) + } + if neg { + val = -val + } + return val +} + +// An operator is the demangled name, and the number of arguments it +// takes in an expression. +type operator struct { + name string + args int +} + +// The operators map maps the mangled operator names to information +// about them. +var operators = map[string]operator{ + "aN": {"&=", 2}, + "aS": {"=", 2}, + "aa": {"&&", 2}, + "ad": {"&", 1}, + "an": {"&", 2}, + "at": {"alignof ", 1}, + "az": {"alignof ", 1}, + "cc": {"const_cast", 2}, + "cl": {"()", 2}, + "cm": {",", 2}, + "co": {"~", 1}, + "dV": {"/=", 2}, + "da": {"delete[] ", 1}, + "dc": {"dynamic_cast", 2}, + "de": {"*", 1}, + "dl": {"delete ", 1}, + "ds": {".*", 2}, + "dt": {".", 2}, + "dv": {"/", 2}, + "eO": {"^=", 2}, + "eo": {"^", 2}, + "eq": {"==", 2}, + "fl": {"...", 2}, + "fr": {"...", 2}, + "fL": {"...", 3}, + "fR": {"...", 3}, + "ge": {">=", 2}, + "gs": {"::", 1}, + "gt": {">", 2}, + "ix": {"[]", 2}, + "lS": {"<<=", 2}, + "le": {"<=", 2}, + "li": {`operator"" `, 1}, + "ls": {"<<", 2}, + "lt": {"<", 2}, + "mI": {"-=", 2}, + "mL": {"*=", 2}, + "mi": {"-", 2}, + "ml": {"*", 2}, + "mm": {"--", 1}, + "na": {"new[]", 3}, + "ne": {"!=", 2}, + "ng": {"-", 1}, + "nt": {"!", 1}, + "nw": {"new", 3}, + "oR": {"|=", 2}, + "oo": {"||", 2}, + "or": {"|", 2}, + "pL": {"+=", 2}, + "pl": {"+", 2}, + "pm": {"->*", 2}, + "pp": {"++", 1}, + "ps": {"+", 1}, + "pt": {"->", 2}, + "qu": {"?", 3}, + "rM": {"%=", 2}, + "rS": {">>=", 2}, + "rc": {"reinterpret_cast", 2}, + "rm": {"%", 2}, + "rs": {">>", 2}, + "sc": {"static_cast", 2}, + "st": {"sizeof ", 1}, + "sz": {"sizeof ", 1}, + "tr": {"throw", 0}, + "tw": {"throw ", 1}, +} + +// operator_name ::= many different two character encodings. +// ::= cv <type> +// ::= v <digit> <source-name> +// +// We need to know whether we are in an expression because it affects +// how we handle template parameters in the type of a cast operator. +func (st *state) operatorName(inExpression bool) (AST, int) { + if len(st.str) < 2 { + st.fail("missing operator code") + } + code := st.str[:2] + st.advance(2) + if code[0] == 'v' && isDigit(code[1]) { + name := st.sourceName() + return &Operator{Name: name.(*Name).Name}, int(code[1] - '0') + } else if code == "cv" { + // Push a nil on templates to indicate that template + // parameters will have their template filled in + // later. + if !inExpression { + st.templates = append(st.templates, nil) + } + + t := st.demangleType(!inExpression) + + if !inExpression { + st.templates = st.templates[:len(st.templates)-1] + } + + return &Cast{To: t}, 1 + } else if op, ok := operators[code]; ok { + return &Operator{Name: op.name}, op.args + } else { + st.failEarlier("unrecognized operator code", 2) + panic("not reached") + } +} + +// <local-name> ::= Z <(function) encoding> E <(entity) name> [<discriminator>] +// ::= Z <(function) encoding> E s [<discriminator>] +// ::= Z <(function) encoding> E d [<parameter> number>] _ <entity name> +func (st *state) localName() AST { + st.checkChar('Z') + fn := st.encoding(true) + if len(st.str) == 0 || st.str[0] != 'E' { + st.fail("expected E after local name") + } + st.advance(1) + if len(st.str) > 0 && st.str[0] == 's' { + st.advance(1) + var n AST = &Name{Name: "string literal"} + n = st.discriminator(n) + return &Qualified{Scope: fn, Name: n, LocalName: true} + } else { + num := -1 + if len(st.str) > 0 && st.str[0] == 'd' { + // Default argument scope. + st.advance(1) + num = st.compactNumber() + } + var n AST = st.name() + n = st.discriminator(n) + if num >= 0 { + n = &DefaultArg{Num: num, Arg: n} + } + return &Qualified{Scope: fn, Name: n, LocalName: true} + } +} + +// Parse a Java resource special-name. +func (st *state) javaResource() AST { + off := st.off + ln := st.number() + if ln <= 1 { + st.failEarlier("java resource length less than 1", st.off-off) + } + if len(st.str) == 0 || st.str[0] != '_' { + st.fail("expected _ after number") + } + st.advance(1) + ln-- + if len(st.str) < ln { + st.fail("not enough characters for java resource length") + } + str := st.str[:ln] + final := "" + st.advance(ln) + for i := 0; i < len(str); i++ { + if str[i] != '$' { + final += string(str[i]) + } else { + if len(str) <= i+1 { + st.failEarlier("java resource escape at end of string", 1) + } + i++ + r, ok := map[byte]string{ + 'S': "/", + '_': ".", + '$': "$", + }[str[i]] + if !ok { + st.failEarlier("unrecognized java resource escape", ln-i-1) + } + final += r + } + } + return &Special{Prefix: "java resource ", Val: &Name{Name: final}} +} + +// <special-name> ::= TV <type> +// ::= TT <type> +// ::= TI <type> +// ::= TS <type> +// ::= GV <(object) name> +// ::= T <call-offset> <(base) encoding> +// ::= Tc <call-offset> <call-offset> <(base) encoding> +// Also g++ extensions: +// ::= TC <type> <(offset) number> _ <(base) type> +// ::= TF <type> +// ::= TJ <type> +// ::= GR <name> +// ::= GA <encoding> +// ::= Gr <resource name> +// ::= GTt <encoding> +// ::= GTn <encoding> +func (st *state) specialName() AST { + if st.str[0] == 'T' { + st.advance(1) + if len(st.str) == 0 { + st.fail("expected special name code") + } + c := st.str[0] + st.advance(1) + switch c { + case 'V': + t := st.demangleType(false) + return &Special{Prefix: "vtable for ", Val: t} + case 'T': + t := st.demangleType(false) + return &Special{Prefix: "VTT for ", Val: t} + case 'I': + t := st.demangleType(false) + return &Special{Prefix: "typeinfo for ", Val: t} + case 'S': + t := st.demangleType(false) + return &Special{Prefix: "typeinfo name for ", Val: t} + case 'h': + st.callOffset('h') + v := st.encoding(true) + return &Special{Prefix: "non-virtual thunk to ", Val: v} + case 'v': + st.callOffset('v') + v := st.encoding(true) + return &Special{Prefix: "virtual thunk to ", Val: v} + case 'c': + st.callOffset(0) + st.callOffset(0) + v := st.encoding(true) + return &Special{Prefix: "covariant return thunk to ", Val: v} + case 'C': + derived := st.demangleType(false) + off := st.off + offset := st.number() + if offset < 0 { + st.failEarlier("expected positive offset", st.off-off) + } + if len(st.str) == 0 || st.str[0] != '_' { + st.fail("expected _ after number") + } + st.advance(1) + base := st.demangleType(false) + return &Special2{Prefix: "construction vtable for ", Val1: base, Middle: "-in-", Val2: derived} + case 'F': + t := st.demangleType(false) + return &Special{Prefix: "typeinfo fn for ", Val: t} + case 'J': + t := st.demangleType(false) + return &Special{Prefix: "java Class for ", Val: t} + case 'H': + n := st.name() + return &Special{Prefix: "TLS init function for ", Val: n} + case 'W': + n := st.name() + return &Special{Prefix: "TLS wrapper function for ", Val: n} + default: + st.fail("unrecognized special T name code") + panic("not reached") + } + } else { + st.checkChar('G') + if len(st.str) == 0 { + st.fail("expected special name code") + } + c := st.str[0] + st.advance(1) + switch c { + case 'V': + n := st.name() + return &Special{Prefix: "guard variable for ", Val: n} + case 'R': + n := st.name() + i := st.number() + return &Special{Prefix: fmt.Sprintf("reference temporary #%d for ", i), Val: n} + case 'A': + v := st.encoding(true) + return &Special{Prefix: "hidden alias for ", Val: v} + case 'T': + if len(st.str) == 0 { + st.fail("expected special GT name code") + } + c := st.str[0] + st.advance(1) + v := st.encoding(true) + switch c { + case 'n': + return &Special{Prefix: "non-transaction clone for ", Val: v} + default: + // The proposal is that different + // letters stand for different types + // of transactional cloning. Treat + // them all the same for now. + fallthrough + case 't': + return &Special{Prefix: "transaction clone for ", Val: v} + } + case 'r': + return st.javaResource() + default: + st.fail("unrecognized special G name code") + panic("not reached") + } + } +} + +// <call-offset> ::= h <nv-offset> _ +// ::= v <v-offset> _ +// +// <nv-offset> ::= <(offset) number> +// +// <v-offset> ::= <(offset) number> _ <(virtual offset) number> +// +// The c parameter, if not 0, is a character we just read which is the +// start of the <call-offset>. +// +// We don't display the offset information anywhere. +func (st *state) callOffset(c byte) { + if c == 0 { + if len(st.str) == 0 { + st.fail("missing call offset") + } + c = st.str[0] + st.advance(1) + } + switch c { + case 'h': + st.number() + case 'v': + st.number() + if len(st.str) == 0 || st.str[0] != '_' { + st.fail("expected _ after number") + } + st.advance(1) + st.number() + default: + st.failEarlier("unrecognized call offset code", 1) + } + if len(st.str) == 0 || st.str[0] != '_' { + st.fail("expected _ after call offset") + } + st.advance(1) +} + +// builtinTypes maps the type letter to the type name. +var builtinTypes = map[byte]string{ + 'a': "signed char", + 'b': "bool", + 'c': "char", + 'd': "double", + 'e': "long double", + 'f': "float", + 'g': "__float128", + 'h': "unsigned char", + 'i': "int", + 'j': "unsigned int", + 'l': "long", + 'm': "unsigned long", + 'n': "__int128", + 'o': "unsigned __int128", + 's': "short", + 't': "unsigned short", + 'v': "void", + 'w': "wchar_t", + 'x': "long long", + 'y': "unsigned long long", + 'z': "...", +} + +// <type> ::= <builtin-type> +// ::= <function-type> +// ::= <class-enum-type> +// ::= <array-type> +// ::= <pointer-to-member-type> +// ::= <template-param> +// ::= <template-template-param> <template-args> +// ::= <substitution> +// ::= <CV-qualifiers> <type> +// ::= P <type> +// ::= R <type> +// ::= O <type> (C++0x) +// ::= C <type> +// ::= G <type> +// ::= U <source-name> <type> +// +// <builtin-type> ::= various one letter codes +// ::= u <source-name> +func (st *state) demangleType(isCast bool) AST { + if len(st.str) == 0 { + st.fail("expected type") + } + + addSubst := true + + q := st.cvQualifiers() + if len(q) > 0 { + if len(st.str) == 0 { + st.fail("expected type") + } + + // CV-qualifiers before a function type apply to + // 'this', so avoid adding the unqualified function + // type to the substitution list. + if st.str[0] == 'F' { + addSubst = false + } + } + + var ret AST + + // Use correct substitution for a template parameter. + var sub AST + + if btype, ok := builtinTypes[st.str[0]]; ok { + ret = &BuiltinType{Name: btype} + st.advance(1) + if len(q) > 0 { + ret = &TypeWithQualifiers{Base: ret, Qualifiers: q} + st.subs.add(ret) + } + return ret + } + c := st.str[0] + switch c { + case 'u': + st.advance(1) + ret = st.sourceName() + case 'F': + ret = st.functionType() + case 'N', 'Z', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9': + ret = st.name() + case 'A': + ret = st.arrayType(isCast) + case 'M': + ret = st.pointerToMemberType(isCast) + case 'T': + ret = st.templateParam() + if len(st.str) > 0 && st.str[0] == 'I' { + // See the function comment to explain this. + if !isCast { + st.subs.add(ret) + args := st.templateArgs() + ret = &Template{Name: ret, Args: args} + } else { + ret = st.demangleCastTemplateArgs(ret, true) + } + } + case 'S': + // If this is a special substitution, then it + // is the start of <class-enum-type>. + var c2 byte + if len(st.str) > 1 { + c2 = st.str[1] + } + if isDigit(c2) || c2 == '_' || isUpper(c2) { + ret = st.substitution(false) + if len(st.str) == 0 || st.str[0] != 'I' { + addSubst = false + } else { + // See the function comment to explain this. + if _, ok := ret.(*TemplateParam); !ok || !isCast { + args := st.templateArgs() + ret = &Template{Name: ret, Args: args} + } else { + next := st.demangleCastTemplateArgs(ret, false) + if next == ret { + addSubst = false + } + ret = next + } + } + } else { + ret = st.name() + // This substitution is not itself a + // substitution candidate, unless template + // arguments were added. + if ret == subAST[c2] || ret == verboseAST[c2] { + addSubst = false + } + } + case 'O', 'P', 'R', 'C', 'G': + st.advance(1) + t := st.demangleType(isCast) + switch c { + case 'O': + ret = &RvalueReferenceType{Base: t} + case 'P': + ret = &PointerType{Base: t} + case 'R': + ret = &ReferenceType{Base: t} + case 'C': + ret = &ComplexType{Base: t} + case 'G': + ret = &ImaginaryType{Base: t} + } + case 'U': + if len(st.str) < 2 { + st.fail("expected source name or unnamed type") + } + switch st.str[1] { + case 'l': + ret = st.closureTypeName() + addSubst = false + case 't': + ret = st.unnamedTypeName() + addSubst = false + default: + st.advance(1) + n := st.sourceName() + if len(st.str) > 0 && st.str[0] == 'I' { + args := st.templateArgs() + n = &Template{Name: n, Args: args} + } + t := st.demangleType(isCast) + ret = &VendorQualifier{Qualifier: n, Type: t} + } + case 'D': + st.advance(1) + if len(st.str) == 0 { + st.fail("expected D code for type") + } + addSubst = false + c2 := st.str[0] + st.advance(1) + switch c2 { + case 'T', 't': + // decltype(expression) + ret = st.expression() + if len(st.str) == 0 || st.str[0] != 'E' { + st.fail("expected E after expression in type") + } + st.advance(1) + ret = &Decltype{Expr: ret} + addSubst = true + + case 'p': + t := st.demangleType(isCast) + pack := st.findArgumentPack(t) + ret = &PackExpansion{Base: t, Pack: pack} + addSubst = true + + case 'a': + ret = &Name{Name: "auto"} + + case 'f': + ret = &BuiltinType{Name: "decimal32"} + case 'd': + ret = &BuiltinType{Name: "decimal64"} + case 'e': + ret = &BuiltinType{Name: "decimal128"} + case 'h': + ret = &BuiltinType{Name: "half"} + case 's': + ret = &BuiltinType{Name: "char16_t"} + case 'i': + ret = &BuiltinType{Name: "char32_t"} + case 'n': + ret = &BuiltinType{Name: "decltype(nullptr)"} + + case 'F': + accum := false + if len(st.str) > 0 && isDigit(st.str[0]) { + accum = true + // We don't care about the bits. + _ = st.number() + } + base := st.demangleType(isCast) + if len(st.str) > 0 && isDigit(st.str[0]) { + // We don't care about the bits. + st.number() + } + sat := false + if len(st.str) > 0 { + if st.str[0] == 's' { + sat = true + } + st.advance(1) + } + ret = &FixedType{Base: base, Accum: accum, Sat: sat} + + case 'v': + ret = st.vectorType(isCast) + addSubst = true + + default: + st.fail("unrecognized D code in type") + } + + default: + st.fail("unrecognized type code") + } + + if addSubst { + if sub != nil { + st.subs.add(sub) + } else { + st.subs.add(ret) + } + } + + if len(q) > 0 { + if _, ok := ret.(*FunctionType); ok { + ret = &MethodWithQualifiers{Method: ret, Qualifiers: q, RefQualifier: ""} + } else if mwq, ok := ret.(*MethodWithQualifiers); ok { + // Merge adjacent qualifiers. This case + // happens with a function with a trailing + // ref-qualifier. + mwq.Qualifiers = mergeQualifiers(q, mwq.Qualifiers) + } else { + // Merge adjacent qualifiers. This case + // happens with multi-dimensional array types. + if qsub, ok := ret.(*TypeWithQualifiers); ok { + q = mergeQualifiers(q, qsub.Qualifiers) + ret = qsub.Base + } + ret = &TypeWithQualifiers{Base: ret, Qualifiers: q} + } + st.subs.add(ret) + } + + return ret +} + +// demangleCastTemplateArgs is for a rather hideous parse. When we +// see a template-param followed by a template-args, we need to decide +// whether we have a template-param or a template-template-param. +// Normally it is template-template-param, meaning that we pick up the +// template arguments here. But, if we are parsing the type for a +// cast operator, then the only way this can be template-template-param +// is if there is another set of template-args immediately after this +// set. That would look like this: +// +// <nested-name> +// -> <template-prefix> <template-args> +// -> <prefix> <template-unqualified-name> <template-args> +// -> <unqualified-name> <template-unqualified-name> <template-args> +// -> <source-name> <template-unqualified-name> <template-args> +// -> <source-name> <operator-name> <template-args> +// -> <source-name> cv <type> <template-args> +// -> <source-name> cv <template-template-param> <template-args> <template-args> +// +// Otherwise, we have this derivation: +// +// <nested-name> +// -> <template-prefix> <template-args> +// -> <prefix> <template-unqualified-name> <template-args> +// -> <unqualified-name> <template-unqualified-name> <template-args> +// -> <source-name> <template-unqualified-name> <template-args> +// -> <source-name> <operator-name> <template-args> +// -> <source-name> cv <type> <template-args> +// -> <source-name> cv <template-param> <template-args> +// +// in which the template-args are actually part of the prefix. For +// the special case where this arises, demangleType is called with +// isCast as true. This function is then responsible for checking +// whether we see <template-param> <template-args> but there is not +// another following <template-args>. In that case, we reset the +// parse and just return the <template-param>. +func (st *state) demangleCastTemplateArgs(tp AST, addSubst bool) AST { + save := st.copy() + + var args []AST + failed := false + func() { + defer func() { + if r := recover(); r != nil { + if _, ok := r.(demangleErr); ok { + failed = true + } else { + panic(r) + } + } + }() + + args = st.templateArgs() + }() + + if !failed && len(st.str) > 0 && st.str[0] == 'I' { + if addSubst { + st.subs.add(tp) + } + return &Template{Name: tp, Args: args} + } + // Reset back to before we started reading the template arguments. + // They will be read again by st.prefix. + *st = *save + return tp +} + +// mergeQualifiers merges two qualifer lists into one. +func mergeQualifiers(q1, q2 Qualifiers) Qualifiers { + m := make(map[string]bool) + for _, qual := range q1 { + m[qual] = true + } + for _, qual := range q2 { + if !m[qual] { + q1 = append(q1, qual) + m[qual] = true + } + } + return q1 +} + +// qualifiers maps from the character used in the mangled name to the +// string to print. +var qualifiers = map[byte]string{ + 'r': "restrict", + 'V': "volatile", + 'K': "const", +} + +// <CV-qualifiers> ::= [r] [V] [K] +func (st *state) cvQualifiers() Qualifiers { + var q Qualifiers + for len(st.str) > 0 { + if qv, ok := qualifiers[st.str[0]]; ok { + q = append([]string{qv}, q...) + st.advance(1) + } else if len(st.str) > 1 && st.str[:2] == "Dx" { + q = append([]string{"transaction_safe"}, q...) + st.advance(2) + } else { + break + } + } + return q +} + +// <ref-qualifier> ::= R +// ::= O +func (st *state) refQualifier() string { + if len(st.str) > 0 { + switch st.str[0] { + case 'R': + st.advance(1) + return "&" + case 'O': + st.advance(1) + return "&&" + } + } + return "" +} + +// <type>+ +func (st *state) parmlist() []AST { + var ret []AST + for { + if len(st.str) < 1 { + break + } + if st.str[0] == 'E' || st.str[0] == '.' { + break + } + if (st.str[0] == 'R' || st.str[0] == 'O') && len(st.str) > 1 && st.str[1] == 'E' { + // This is a function ref-qualifier. + break + } + ptype := st.demangleType(false) + ret = append(ret, ptype) + } + + // There should always be at least one type. A function that + // takes no arguments will have a single parameter type + // "void". + if len(ret) == 0 { + st.fail("expected at least one type in type list") + } + + // Omit a single parameter type void. + if len(ret) == 1 { + if bt, ok := ret[0].(*BuiltinType); ok && bt.Name == "void" { + ret = nil + } + } + + return ret +} + +// <function-type> ::= F [Y] <bare-function-type> [<ref-qualifier>] E +func (st *state) functionType() AST { + st.checkChar('F') + if len(st.str) > 0 && st.str[0] == 'Y' { + // Function has C linkage. We don't print this. + st.advance(1) + } + ret := st.bareFunctionType(true) + r := st.refQualifier() + if r != "" { + ret = &MethodWithQualifiers{Method: ret, Qualifiers: nil, RefQualifier: r} + } + if len(st.str) == 0 || st.str[0] != 'E' { + st.fail("expected E after function type") + } + st.advance(1) + return ret +} + +// <bare-function-type> ::= [J]<type>+ +func (st *state) bareFunctionType(hasReturnType bool) AST { + if len(st.str) > 0 && st.str[0] == 'J' { + hasReturnType = true + st.advance(1) + } + var returnType AST + if hasReturnType { + returnType = st.demangleType(false) + } + types := st.parmlist() + return &FunctionType{Return: returnType, Args: types} +} + +// <array-type> ::= A <(positive dimension) number> _ <(element) type> +// ::= A [<(dimension) expression>] _ <(element) type> +func (st *state) arrayType(isCast bool) AST { + st.checkChar('A') + + if len(st.str) == 0 { + st.fail("missing array dimension") + } + + var dim AST + if st.str[0] == '_' { + dim = &Name{Name: ""} + } else if isDigit(st.str[0]) { + i := 1 + for len(st.str) > i && isDigit(st.str[i]) { + i++ + } + dim = &Name{Name: st.str[:i]} + st.advance(i) + } else { + dim = st.expression() + } + + if len(st.str) == 0 || st.str[0] != '_' { + st.fail("expected _ after dimension") + } + st.advance(1) + + t := st.demangleType(isCast) + + arr := &ArrayType{Dimension: dim, Element: t} + + // Qualifiers on the element of an array type go on the whole + // array type. + if q, ok := arr.Element.(*TypeWithQualifiers); ok { + return &TypeWithQualifiers{Base: &ArrayType{Dimension: dim, Element: q.Base}, Qualifiers: q.Qualifiers} + } + + return arr +} + +// <vector-type> ::= Dv <number> _ <type> +// ::= Dv _ <expression> _ <type> +func (st *state) vectorType(isCast bool) AST { + if len(st.str) == 0 { + st.fail("expected vector dimension") + } + + var dim AST + if st.str[0] == '_' { + st.advance(1) + dim = st.expression() + } else { + num := st.number() + dim = &Name{Name: fmt.Sprintf("%d", num)} + } + + if len(st.str) == 0 || st.str[0] != '_' { + st.fail("expected _ after vector dimension") + } + st.advance(1) + + t := st.demangleType(isCast) + + return &VectorType{Dimension: dim, Base: t} +} + +// <pointer-to-member-type> ::= M <(class) type> <(member) type> +func (st *state) pointerToMemberType(isCast bool) AST { + st.checkChar('M') + cl := st.demangleType(false) + + // The ABI says, "The type of a non-static member function is + // considered to be different, for the purposes of + // substitution, from the type of a namespace-scope or static + // member function whose type appears similar. The types of + // two non-static member functions are considered to be + // different, for the purposes of substitution, if the + // functions are members of different classes. In other words, + // for the purposes of substitution, the class of which the + // function is a member is considered part of the type of + // function." + // + // For a pointer to member function, this call to demangleType + // will end up adding a (possibly qualified) non-member + // function type to the substitution table, which is not + // correct; however, the member function type will never be + // used in a substitution, so putting the wrong type in the + // substitution table is harmless. + mem := st.demangleType(isCast) + return &PtrMem{Class: cl, Member: mem} +} + +// <non-negative number> _ */ +func (st *state) compactNumber() int { + if len(st.str) == 0 { + st.fail("missing index") + } + if st.str[0] == '_' { + st.advance(1) + return 0 + } else if st.str[0] == 'n' { + st.fail("unexpected negative number") + } + n := st.number() + if len(st.str) == 0 || st.str[0] != '_' { + st.fail("missing underscore after number") + } + st.advance(1) + return n + 1 +} + +// <template-param> ::= T_ +// ::= T <(parameter-2 non-negative) number> _ +// +// When a template parameter is a substitution candidate, any +// reference to that substitution refers to the template parameter +// with the same index in the currently active template, not to +// whatever the template parameter would be expanded to here. We sort +// this out in substitution and simplify. +func (st *state) templateParam() AST { + if len(st.templates) == 0 { + st.fail("template parameter not in scope of template") + } + off := st.off + + st.checkChar('T') + n := st.compactNumber() + + template := st.templates[len(st.templates)-1] + + if template == nil { + // We are parsing a cast operator. If the cast is + // itself a template, then this is a forward + // reference. Fill it in later. + return &TemplateParam{Index: n, Template: nil} + } + + if n >= len(template.Args) { + st.failEarlier(fmt.Sprintf("template index out of range (%d >= %d)", n, len(template.Args)), st.off-off) + } + + return &TemplateParam{Index: n, Template: template} +} + +// setTemplate sets the Template field of any TemplateParam's in a. +// This handles the forward referencing template parameters found in +// cast operators. +func (st *state) setTemplate(a AST, tmpl *Template) { + var seen []AST + a.Traverse(func(a AST) bool { + switch a := a.(type) { + case *TemplateParam: + if a.Template != nil { + if tmpl != nil { + st.fail("duplicate template parameters") + } + return false + } + if tmpl == nil { + st.fail("cast template parameter not in scope of template") + } + if a.Index >= len(tmpl.Args) { + st.fail(fmt.Sprintf("cast template index out of range (%d >= %d)", a.Index, len(tmpl.Args))) + } + a.Template = tmpl + return false + default: + for _, v := range seen { + if v == a { + return false + } + } + seen = append(seen, a) + return true + } + }) +} + +// clearTemplateArgs gives an error for any unset Template field in +// args. This handles erroneous cases where a cast operator with a +// forward referenced template is in the scope of another cast +// operator. +func (st *state) clearTemplateArgs(args []AST) { + for _, a := range args { + st.setTemplate(a, nil) + } +} + +// <template-args> ::= I <template-arg>+ E +func (st *state) templateArgs() []AST { + if len(st.str) == 0 || (st.str[0] != 'I' && st.str[0] != 'J') { + panic("internal error") + } + st.advance(1) + + var ret []AST + for len(st.str) == 0 || st.str[0] != 'E' { + arg := st.templateArg() + ret = append(ret, arg) + } + st.advance(1) + return ret +} + +// <template-arg> ::= <type> +// ::= X <expression> E +// ::= <expr-primary> +func (st *state) templateArg() AST { + if len(st.str) == 0 { + st.fail("missing template argument") + } + switch st.str[0] { + case 'X': + st.advance(1) + expr := st.expression() + if len(st.str) == 0 || st.str[0] != 'E' { + st.fail("missing end of expression") + } + st.advance(1) + return expr + + case 'L': + return st.exprPrimary() + + case 'I', 'J': + args := st.templateArgs() + return &ArgumentPack{Args: args} + + default: + return st.demangleType(false) + } +} + +// exprList parses a sequence of expressions up to a terminating character. +func (st *state) exprList(stop byte) AST { + if len(st.str) > 0 && st.str[0] == stop { + st.advance(1) + return &ExprList{Exprs: nil} + } + + var exprs []AST + for { + e := st.expression() + exprs = append(exprs, e) + if len(st.str) > 0 && st.str[0] == stop { + st.advance(1) + break + } + } + return &ExprList{Exprs: exprs} +} + +// <expression> ::= <(unary) operator-name> <expression> +// ::= <(binary) operator-name> <expression> <expression> +// ::= <(trinary) operator-name> <expression> <expression> <expression> +// ::= cl <expression>+ E +// ::= st <type> +// ::= <template-param> +// ::= sr <type> <unqualified-name> +// ::= sr <type> <unqualified-name> <template-args> +// ::= <expr-primary> +func (st *state) expression() AST { + if len(st.str) == 0 { + st.fail("expected expression") + } + if st.str[0] == 'L' { + return st.exprPrimary() + } else if st.str[0] == 'T' { + return st.templateParam() + } else if st.str[0] == 's' && len(st.str) > 1 && st.str[1] == 'r' { + st.advance(2) + if len(st.str) == 0 { + st.fail("expected unresolved type") + } + switch st.str[0] { + case 'T', 'D', 'S': + t := st.demangleType(false) + n := st.baseUnresolvedName() + n = &Qualified{Scope: t, Name: n, LocalName: false} + if len(st.str) > 0 && st.str[0] == 'I' { + args := st.templateArgs() + n = &Template{Name: n, Args: args} + } + return n + default: + var s AST + if st.str[0] == 'N' { + st.advance(1) + s = st.demangleType(false) + } + for len(st.str) == 0 || st.str[0] != 'E' { + // GCC does not seem to follow the ABI here. + // It can emit type/name without an 'E'. + if s != nil && len(st.str) > 0 && !isDigit(st.str[0]) { + if q, ok := s.(*Qualified); ok { + a := q.Scope + if t, ok := a.(*Template); ok { + st.subs.add(t.Name) + st.subs.add(t) + } else { + st.subs.add(a) + } + return s + } + } + n := st.sourceName() + if len(st.str) > 0 && st.str[0] == 'I' { + st.subs.add(n) + args := st.templateArgs() + n = &Template{Name: n, Args: args} + } + if s == nil { + s = n + } else { + s = &Qualified{Scope: s, Name: n, LocalName: false} + } + st.subs.add(s) + } + if s == nil { + st.fail("missing scope in unresolved name") + } + st.advance(1) + n := st.baseUnresolvedName() + return &Qualified{Scope: s, Name: n, LocalName: false} + } + } else if st.str[0] == 's' && len(st.str) > 1 && st.str[1] == 'p' { + st.advance(2) + e := st.expression() + pack := st.findArgumentPack(e) + return &PackExpansion{Base: e, Pack: pack} + } else if st.str[0] == 's' && len(st.str) > 1 && st.str[1] == 'Z' { + st.advance(2) + off := st.off + e := st.expression() + ap := st.findArgumentPack(e) + if ap == nil { + st.failEarlier("missing argument pack", st.off-off) + } + return &SizeofPack{Pack: ap} + } else if st.str[0] == 's' && len(st.str) > 1 && st.str[1] == 'P' { + st.advance(2) + var args []AST + for len(st.str) == 0 || st.str[0] != 'E' { + arg := st.templateArg() + args = append(args, arg) + } + st.advance(1) + return &SizeofArgs{Args: args} + } else if st.str[0] == 'f' && len(st.str) > 1 && st.str[1] == 'p' { + st.advance(2) + if len(st.str) > 0 && st.str[0] == 'T' { + st.advance(1) + return &FunctionParam{Index: 0} + } else { + index := st.compactNumber() + return &FunctionParam{Index: index + 1} + } + } else if isDigit(st.str[0]) || (st.str[0] == 'o' && len(st.str) > 1 && st.str[1] == 'n') { + if st.str[0] == 'o' { + // Skip operator function ID. + st.advance(2) + } + n, _ := st.unqualifiedName() + if len(st.str) > 0 && st.str[0] == 'I' { + args := st.templateArgs() + n = &Template{Name: n, Args: args} + } + return n + } else if (st.str[0] == 'i' || st.str[0] == 't') && len(st.str) > 1 && st.str[1] == 'l' { + // Brace-enclosed initializer list. + c := st.str[0] + st.advance(2) + var t AST + if c == 't' { + t = st.demangleType(false) + } + exprs := st.exprList('E') + return &InitializerList{Type: t, Exprs: exprs} + } else if st.str[0] == 's' && len(st.str) > 1 && st.str[1] == 't' { + o, _ := st.operatorName(true) + t := st.demangleType(false) + return &Unary{Op: o, Expr: t, Suffix: false, SizeofType: true} + } else { + if len(st.str) < 2 { + st.fail("missing operator code") + } + code := st.str[:2] + o, args := st.operatorName(true) + switch args { + case 0: + return &Nullary{Op: o} + + case 1: + suffix := false + if code == "pp" || code == "mm" { + if len(st.str) > 0 && st.str[0] == '_' { + st.advance(1) + } else { + suffix = true + } + } + var operand AST + if _, ok := o.(*Cast); ok && len(st.str) > 0 && st.str[0] == '_' { + st.advance(1) + operand = st.exprList('E') + } else { + operand = st.expression() + } + return &Unary{Op: o, Expr: operand, Suffix: suffix, SizeofType: false} + + case 2: + var left, right AST + if code == "sc" || code == "dc" || code == "cc" || code == "rc" { + left = st.demangleType(false) + } else if code[0] == 'f' { + left, _ = st.operatorName(true) + right = st.expression() + return &Fold{Left: code[1] == 'l', Op: left, Arg1: right, Arg2: nil} + } else { + left = st.expression() + } + if code == "cl" { + right = st.exprList('E') + } else if code == "dt" || code == "pt" { + right, _ = st.unqualifiedName() + if len(st.str) > 0 && st.str[0] == 'I' { + args := st.templateArgs() + right = &Template{Name: right, Args: args} + } + } else { + right = st.expression() + } + return &Binary{Op: o, Left: left, Right: right} + + case 3: + if code[0] == 'n' { + if code[1] != 'w' && code[1] != 'a' { + panic("internal error") + } + place := st.exprList('_') + if place.(*ExprList).Exprs == nil { + place = nil + } + t := st.demangleType(false) + var ini AST + if len(st.str) > 0 && st.str[0] == 'E' { + st.advance(1) + } else if len(st.str) > 1 && st.str[0] == 'p' && st.str[1] == 'i' { + // Parenthesized initializer. + st.advance(2) + ini = st.exprList('E') + } else if len(st.str) > 1 && st.str[0] == 'i' && st.str[1] == 'l' { + // Initializer list. + ini = st.expression() + } else { + st.fail("unrecognized new initializer") + } + return &New{Op: o, Place: place, Type: t, Init: ini} + } else if code[0] == 'f' { + first, _ := st.operatorName(true) + second := st.expression() + third := st.expression() + return &Fold{Left: code[1] == 'L', Op: first, Arg1: second, Arg2: third} + } else { + first := st.expression() + second := st.expression() + third := st.expression() + return &Trinary{Op: o, First: first, Second: second, Third: third} + } + + default: + st.fail(fmt.Sprintf("unsupported number of operator arguments: %d", args)) + panic("not reached") + } + } +} + +// <base-unresolved-name> ::= <simple-id> +// ::= on <operator-name> +// ::= on <operator-name> <template-args> +// ::= dn <destructor-name> +// +//<simple-id> ::= <source-name> [ <template-args> ] +func (st *state) baseUnresolvedName() AST { + var n AST + if len(st.str) >= 2 && st.str[:2] == "on" { + st.advance(2) + n, _ = st.operatorName(true) + } else if len(st.str) >= 2 && st.str[:2] == "dn" { + st.advance(2) + if len(st.str) > 0 && isDigit(st.str[0]) { + n = st.sourceName() + } else { + n = st.demangleType(false) + } + n = &Destructor{Name: n} + } else if len(st.str) > 0 && isDigit(st.str[0]) { + n = st.sourceName() + } else { + // GCC seems to not follow the ABI here: it can have + // an operator name without on. + // See https://gcc.gnu.org/PR70182. + n, _ = st.operatorName(true) + } + if len(st.str) > 0 && st.str[0] == 'I' { + args := st.templateArgs() + n = &Template{Name: n, Args: args} + } + return n +} + +// <expr-primary> ::= L <type> <(value) number> E +// ::= L <type> <(value) float> E +// ::= L <mangled-name> E +func (st *state) exprPrimary() AST { + st.checkChar('L') + if len(st.str) == 0 { + st.fail("expected primary expression") + + } + + // Check for 'Z' here because g++ incorrectly omitted the + // underscore until -fabi-version=3. + var ret AST + if st.str[0] == '_' || st.str[0] == 'Z' { + if st.str[0] == '_' { + st.advance(1) + } + if len(st.str) == 0 || st.str[0] != 'Z' { + st.fail("expected mangled name") + } + st.advance(1) + ret = st.encoding(true) + } else { + t := st.demangleType(false) + + neg := false + if len(st.str) > 0 && st.str[0] == 'n' { + neg = true + st.advance(1) + } + i := 0 + for len(st.str) > i && st.str[i] != 'E' { + i++ + } + val := st.str[:i] + st.advance(i) + ret = &Literal{Type: t, Val: val, Neg: neg} + } + if len(st.str) == 0 || st.str[0] != 'E' { + st.fail("expected E after literal") + } + st.advance(1) + return ret +} + +// <discriminator> ::= _ <(non-negative) number> +func (st *state) discriminator(a AST) AST { + if len(st.str) == 0 || st.str[0] != '_' { + return a + } + off := st.off + st.advance(1) + d := st.number() + if d < 0 { + st.failEarlier("invalid negative discriminator", st.off-off) + } + // We don't currently print out the discriminator, so we don't + // save it. + return a +} + +// <closure-type-name> ::= Ul <lambda-sig> E [ <nonnegative number> ] _ +func (st *state) closureTypeName() AST { + st.checkChar('U') + st.checkChar('l') + types := st.parmlist() + if len(st.str) == 0 || st.str[0] != 'E' { + st.fail("expected E after closure type name") + } + st.advance(1) + num := st.compactNumber() + ret := &Closure{Types: types, Num: num} + st.subs.add(ret) + return ret +} + +// <unnamed-type-name> ::= Ut [ <nonnegative number> ] _ +func (st *state) unnamedTypeName() AST { + st.checkChar('U') + st.checkChar('t') + num := st.compactNumber() + ret := &UnnamedType{Num: num} + st.subs.add(ret) + return ret +} + +// Recognize a clone suffix. These are not part of the mangling API, +// but are added by GCC when cloning functions. +func (st *state) cloneSuffix(a AST) AST { + i := 0 + if len(st.str) > 1 && st.str[0] == '.' && (isLower(st.str[1]) || st.str[1] == '_') { + i += 2 + for len(st.str) > i && (isLower(st.str[i]) || st.str[i] == '_') { + i++ + } + } + for len(st.str) > i+1 && st.str[i] == '.' && isDigit(st.str[i+1]) { + i += 2 + for len(st.str) > i && isDigit(st.str[i]) { + i++ + } + } + suffix := st.str[:i] + st.advance(i) + return &Clone{Base: a, Suffix: suffix} +} + +// substitutions is the list of substitution candidates that may +// appear later in the string. +type substitutions []AST + +// add adds a new substitution candidate. +func (subs *substitutions) add(a AST) { + *subs = append(*subs, a) +} + +// subAST maps standard substitution codes to the corresponding AST. +var subAST = map[byte]AST{ + 't': &Name{Name: "std"}, + 'a': &Qualified{Scope: &Name{Name: "std"}, Name: &Name{Name: "allocator"}}, + 'b': &Qualified{Scope: &Name{Name: "std"}, Name: &Name{Name: "basic_string"}}, + 's': &Qualified{Scope: &Name{Name: "std"}, Name: &Name{Name: "string"}}, + 'i': &Qualified{Scope: &Name{Name: "std"}, Name: &Name{Name: "istream"}}, + 'o': &Qualified{Scope: &Name{Name: "std"}, Name: &Name{Name: "ostream"}}, + 'd': &Qualified{Scope: &Name{Name: "std"}, Name: &Name{Name: "iostream"}}, +} + +// verboseAST maps standard substitution codes to the long form of the +// corresponding AST. We use this when the Verbose option is used, to +// match the standard demangler. +var verboseAST = map[byte]AST{ + 't': &Name{Name: "std"}, + 'a': &Qualified{Scope: &Name{Name: "std"}, Name: &Name{Name: "allocator"}}, + 'b': &Qualified{Scope: &Name{Name: "std"}, Name: &Name{Name: "basic_string"}}, + + // std::basic_string<char, std::char_traits<char>, std::allocator<char> > + 's': &Template{ + Name: &Qualified{Scope: &Name{Name: "std"}, Name: &Name{Name: "basic_string"}}, + Args: []AST{ + &BuiltinType{Name: "char"}, + &Template{ + Name: &Qualified{Scope: &Name{Name: "std"}, Name: &Name{Name: "char_traits"}}, + Args: []AST{&BuiltinType{Name: "char"}}}, + &Template{ + Name: &Qualified{Scope: &Name{Name: "std"}, Name: &Name{Name: "allocator"}}, + Args: []AST{&BuiltinType{Name: "char"}}}}}, + // std::basic_istream<char, std::char_traits<char> > + 'i': &Template{ + Name: &Qualified{Scope: &Name{Name: "std"}, Name: &Name{Name: "basic_istream"}}, + Args: []AST{ + &BuiltinType{Name: "char"}, + &Template{ + Name: &Qualified{Scope: &Name{Name: "std"}, Name: &Name{Name: "char_traits"}}, + Args: []AST{&BuiltinType{Name: "char"}}}}}, + // std::basic_ostream<char, std::char_traits<char> > + 'o': &Template{ + Name: &Qualified{Scope: &Name{Name: "std"}, Name: &Name{Name: "basic_ostream"}}, + Args: []AST{ + &BuiltinType{Name: "char"}, + &Template{ + Name: &Qualified{Scope: &Name{Name: "std"}, Name: &Name{Name: "char_traits"}}, + Args: []AST{&BuiltinType{Name: "char"}}}}}, + // std::basic_iostream<char, std::char_traits<char> > + 'd': &Template{ + Name: &Qualified{Scope: &Name{Name: "std"}, Name: &Name{Name: "basic_iostream"}}, + Args: []AST{ + &BuiltinType{Name: "char"}, + &Template{ + Name: &Qualified{Scope: &Name{Name: "std"}, Name: &Name{Name: "char_traits"}}, + Args: []AST{&BuiltinType{Name: "char"}}}}}, +} + +// <substitution> ::= S <seq-id> _ +// ::= S_ +// ::= St +// ::= Sa +// ::= Sb +// ::= Ss +// ::= Si +// ::= So +// ::= Sd +func (st *state) substitution(forPrefix bool) AST { + st.checkChar('S') + if len(st.str) == 0 { + st.fail("missing substitution index") + } + c := st.str[0] + st.advance(1) + dec := 1 + if c == '_' || isDigit(c) || isUpper(c) { + id := 0 + if c != '_' { + for c != '_' { + // Don't overflow a 32-bit int. + if id >= 0x80000000/36-36 { + st.fail("substitution index overflow") + } + if isDigit(c) { + id = id*36 + int(c-'0') + } else if isUpper(c) { + id = id*36 + int(c-'A') + 10 + } else { + st.fail("invalid character in substitution index") + } + + if len(st.str) == 0 { + st.fail("missing end to substitution index") + } + c = st.str[0] + st.advance(1) + dec++ + } + id++ + } + + if id >= len(st.subs) { + st.failEarlier(fmt.Sprintf("substitution index out of range (%d >= %d)", id, len(st.subs)), dec) + } + + ret := st.subs[id] + + // We need to update any references to template + // parameters to refer to the currently active + // template. + copy := func(a AST) AST { + tp, ok := a.(*TemplateParam) + if !ok { + return nil + } + if len(st.templates) == 0 { + st.failEarlier("substituted template parameter not in scope of template", dec) + } + template := st.templates[len(st.templates)-1] + if template == nil { + // This template parameter is within + // the scope of a cast operator. + return &TemplateParam{Index: tp.Index, Template: nil} + } + + if tp.Index >= len(template.Args) { + st.failEarlier(fmt.Sprintf("substituted template index out of range (%d >= %d)", tp.Index, len(template.Args)), dec) + } + + return &TemplateParam{Index: tp.Index, Template: template} + } + var seen []AST + skip := func(a AST) bool { + if _, ok := a.(*Typed); ok { + return true + } + for _, v := range seen { + if v == a { + return true + } + } + seen = append(seen, a) + return false + } + if c := ret.Copy(copy, skip); c != nil { + return c + } + + return ret + } else { + m := subAST + if st.verbose { + m = verboseAST + } + // For compatibility with the standard demangler, use + // a longer name for a constructor or destructor. + if forPrefix && len(st.str) > 0 && (st.str[0] == 'C' || st.str[0] == 'D') { + m = verboseAST + } + a, ok := m[c] + if !ok { + st.failEarlier("unrecognized substitution code", 1) + } + + if len(st.str) > 0 && st.str[0] == 'B' { + a = st.taggedName(a) + } + + return a + } +} + +// isDigit returns whetner c is a digit for demangling purposes. +func isDigit(c byte) bool { + return c >= '0' && c <= '9' +} + +// isUpper returns whether c is an upper case letter for demangling purposes. +func isUpper(c byte) bool { + return c >= 'A' && c <= 'Z' +} + +// isLower returns whether c is a lower case letter for demangling purposes. +func isLower(c byte) bool { + return c >= 'a' && c <= 'z' +} + +// simplify replaces template parameters with their expansions, and +// merges qualifiers. +func simplify(a AST) AST { + var seen []AST + skip := func(a AST) bool { + for _, v := range seen { + if v == a { + return true + } + } + seen = append(seen, a) + return false + } + if r := a.Copy(simplifyOne, skip); r != nil { + return r + } + return a +} + +// simplifyOne simplifies a single AST. It returns nil if there is +// nothing to do. +func simplifyOne(a AST) AST { + switch a := a.(type) { + case *TemplateParam: + if a.Template != nil && a.Index < len(a.Template.Args) { + return a.Template.Args[a.Index] + } + case *MethodWithQualifiers: + if m, ok := a.Method.(*MethodWithQualifiers); ok { + ref := a.RefQualifier + if ref == "" { + ref = m.RefQualifier + } else if m.RefQualifier != "" { + if ref == "&" || m.RefQualifier == "&" { + ref = "&" + } + } + return &MethodWithQualifiers{Method: m.Method, Qualifiers: mergeQualifiers(a.Qualifiers, m.Qualifiers), RefQualifier: ref} + } + if t, ok := a.Method.(*TypeWithQualifiers); ok { + return &MethodWithQualifiers{Method: t.Base, Qualifiers: mergeQualifiers(a.Qualifiers, t.Qualifiers), RefQualifier: a.RefQualifier} + } + case *TypeWithQualifiers: + if ft, ok := a.Base.(*FunctionType); ok { + return &MethodWithQualifiers{Method: ft, Qualifiers: a.Qualifiers, RefQualifier: ""} + } + if t, ok := a.Base.(*TypeWithQualifiers); ok { + return &TypeWithQualifiers{Base: t.Base, Qualifiers: mergeQualifiers(a.Qualifiers, t.Qualifiers)} + } + if m, ok := a.Base.(*MethodWithQualifiers); ok { + return &MethodWithQualifiers{Method: m.Method, Qualifiers: mergeQualifiers(a.Qualifiers, m.Qualifiers), RefQualifier: m.RefQualifier} + } + case *ReferenceType: + if rt, ok := a.Base.(*ReferenceType); ok { + return rt + } + if rrt, ok := a.Base.(*RvalueReferenceType); ok { + return &ReferenceType{Base: rrt.Base} + } + case *RvalueReferenceType: + if rrt, ok := a.Base.(*RvalueReferenceType); ok { + return rrt + } + if rt, ok := a.Base.(*ReferenceType); ok { + return rt + } + case *ArrayType: + // Qualifiers on the element of an array type + // go on the whole array type. + if q, ok := a.Element.(*TypeWithQualifiers); ok { + return &TypeWithQualifiers{ + Base: &ArrayType{Dimension: a.Dimension, Element: q.Base}, + Qualifiers: q.Qualifiers, + } + } + case *PackExpansion: + // Expand the pack and replace it with a list of + // expressions. + if a.Pack != nil { + exprs := make([]AST, len(a.Pack.Args)) + for i, arg := range a.Pack.Args { + copy := func(sub AST) AST { + // Replace the ArgumentPack + // with a specific argument. + if sub == a.Pack { + return arg + } + // Copy everything else. + return nil + } + + var seen []AST + skip := func(sub AST) bool { + // Don't traverse into another + // pack expansion. + if _, ok := sub.(*PackExpansion); ok { + return true + } + for _, v := range seen { + if v == sub { + return true + } + } + seen = append(seen, sub) + return false + } + + b := a.Base.Copy(copy, skip) + if b == nil { + b = a.Base + } + exprs[i] = simplify(b) + } + return &ExprList{Exprs: exprs} + } + } + return nil +} + +// findArgumentPack walks the AST looking for the argument pack for a +// pack expansion. We find it via a template parameter. +func (st *state) findArgumentPack(a AST) *ArgumentPack { + var seen []AST + var ret *ArgumentPack + a.Traverse(func(a AST) bool { + if ret != nil { + return false + } + switch a := a.(type) { + case *TemplateParam: + if a.Template == nil || a.Index >= len(a.Template.Args) { + return true + } + if pack, ok := a.Template.Args[a.Index].(*ArgumentPack); ok { + ret = pack + return false + } + case *PackExpansion, *Closure, *Name: + return false + case *TaggedName, *Operator, *BuiltinType, *FunctionParam: + return false + case *UnnamedType, *FixedType, *DefaultArg: + return false + } + for _, v := range seen { + if v == a { + return false + } + } + seen = append(seen, a) + return true + }) + return ret +} |