diff options
| -rw-r--r-- | go.mod | 1 | ||||
| -rw-r--r-- | go.sum | 2 | ||||
| -rw-r--r-- | vendor/github.com/google/flatbuffers/LICENSE | 202 | ||||
| -rw-r--r-- | vendor/github.com/google/flatbuffers/go/BUILD.bazel | 23 | ||||
| -rw-r--r-- | vendor/github.com/google/flatbuffers/go/builder.go | 856 | ||||
| -rw-r--r-- | vendor/github.com/google/flatbuffers/go/doc.go | 3 | ||||
| -rw-r--r-- | vendor/github.com/google/flatbuffers/go/encode.go | 238 | ||||
| -rw-r--r-- | vendor/github.com/google/flatbuffers/go/grpc.go | 38 | ||||
| -rw-r--r-- | vendor/github.com/google/flatbuffers/go/lib.go | 50 | ||||
| -rw-r--r-- | vendor/github.com/google/flatbuffers/go/sizes.go | 55 | ||||
| -rw-r--r-- | vendor/github.com/google/flatbuffers/go/struct.go | 8 | ||||
| -rw-r--r-- | vendor/github.com/google/flatbuffers/go/table.go | 505 | ||||
| -rw-r--r-- | vendor/modules.txt | 3 |
13 files changed, 1984 insertions, 0 deletions
@@ -11,6 +11,7 @@ require ( github.com/bsm/histogram/v3 v3.0.2 github.com/dvyukov/go-fuzz v0.0.0-20220726122315-1d375ef9f9f6 github.com/golangci/golangci-lint v1.57.2 + github.com/google/flatbuffers v24.3.25+incompatible github.com/google/go-cmp v0.6.0 github.com/gorilla/handlers v1.5.2 github.com/ianlancetaylor/demangle v0.0.0-20230524184225-eabc099b10ab @@ -298,6 +298,8 @@ github.com/gonum/lapack v0.0.0-20181123203213-e4cdc5a0bff9/go.mod h1:XA3DeT6rxh2 github.com/gonum/matrix v0.0.0-20181209220409-c518dec07be9/go.mod h1:0EXg4mc1CNP0HCqCz+K4ts155PXIlUywf0wqN+GfPZw= github.com/google/btree v0.0.0-20180813153112-4030bb1f1f0c/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ= github.com/google/btree v1.0.0/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ= +github.com/google/flatbuffers v24.3.25+incompatible h1:CX395cjN9Kke9mmalRoL3d81AtFUxJM+yDthflgJGkI= +github.com/google/flatbuffers v24.3.25+incompatible/go.mod h1:1AeVuKshWv4vARoZatz6mlQ0JxURH0Kv5+zNeJKJCa8= github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M= github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU= github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU= diff --git a/vendor/github.com/google/flatbuffers/LICENSE b/vendor/github.com/google/flatbuffers/LICENSE new file mode 100644 index 000000000..d64569567 --- /dev/null +++ b/vendor/github.com/google/flatbuffers/LICENSE @@ -0,0 +1,202 @@ + + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. Definitions. + + "License" shall mean the terms and conditions for use, reproduction, + and distribution as defined by Sections 1 through 9 of this document. + + "Licensor" shall mean the copyright owner or entity authorized by + the copyright owner that is granting the License. + + "Legal Entity" shall mean the union of the acting entity and all + other entities that control, are controlled by, or are under common + control with that entity. For the purposes of this definition, + "control" means (i) the power, direct or indirect, to cause the + direction or management of such entity, whether by contract or + otherwise, or (ii) ownership of fifty percent (50%) or more of the + outstanding shares, or (iii) beneficial ownership of such entity. + + "You" (or "Your") shall mean an individual or Legal Entity + exercising permissions granted by this License. + + "Source" form shall mean the preferred form for making modifications, + including but not limited to software source code, documentation + source, and configuration files. + + "Object" form shall mean any form resulting from mechanical + transformation or translation of a Source form, including but + not limited to compiled object code, generated documentation, + and conversions to other media types. + + "Work" shall mean the work of authorship, whether in Source or + Object form, made available under the License, as indicated by a + copyright notice that is included in or attached to the work + (an example is provided in the Appendix below). + + "Derivative Works" shall mean any work, whether in Source or Object + form, that is based on (or derived from) the Work and for which the + editorial revisions, annotations, elaborations, or other modifications + represent, as a whole, an original work of authorship. For the purposes + of this License, Derivative Works shall not include works that remain + separable from, or merely link (or bind by name) to the interfaces of, + the Work and Derivative Works thereof. + + "Contribution" shall mean any work of authorship, including + the original version of the Work and any modifications or additions + to that Work or Derivative Works thereof, that is intentionally + submitted to Licensor for inclusion in the Work by the copyright owner + or by an individual or Legal Entity authorized to submit on behalf of + the copyright owner. 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You may reproduce and distribute copies of the + Work or Derivative Works thereof in any medium, with or without + modifications, and in Source or Object form, provided that You + meet the following conditions: + + (a) You must give any other recipients of the Work or + Derivative Works a copy of this License; and + + (b) You must cause any modified files to carry prominent notices + stating that You changed the files; and + + (c) You must retain, in the Source form of any Derivative Works + that You distribute, all copyright, patent, trademark, and + attribution notices from the Source form of the Work, + excluding those notices that do not pertain to any part of + the Derivative Works; and + + (d) If the Work includes a "NOTICE" text file as part of its + distribution, then any Derivative Works that You distribute must + include a readable copy of the attribution notices contained + within such NOTICE file, excluding those notices that do not + pertain to any part of the Derivative Works, in at least one + of the following places: within a NOTICE text file distributed + as part of the Derivative Works; within the Source form or + documentation, if provided along with the Derivative Works; or, + within a display generated by the Derivative Works, if and + wherever such third-party notices normally appear. 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In no event and under no legal theory, + whether in tort (including negligence), contract, or otherwise, + unless required by applicable law (such as deliberate and grossly + negligent acts) or agreed to in writing, shall any Contributor be + liable to You for damages, including any direct, indirect, special, + incidental, or consequential damages of any character arising as a + result of this License or out of the use or inability to use the + Work (including but not limited to damages for loss of goodwill, + work stoppage, computer failure or malfunction, or any and all + other commercial damages or losses), even if such Contributor + has been advised of the possibility of such damages. + + 9. Accepting Warranty or Additional Liability. While redistributing + the Work or Derivative Works thereof, You may choose to offer, + and charge a fee for, acceptance of support, warranty, indemnity, + or other liability obligations and/or rights consistent with this + License. However, in accepting such obligations, You may act only + on Your own behalf and on Your sole responsibility, not on behalf + of any other Contributor, and only if You agree to indemnify, + defend, and hold each Contributor harmless for any liability + incurred by, or claims asserted against, such Contributor by reason + of your accepting any such warranty or additional liability. + + END OF TERMS AND CONDITIONS + + APPENDIX: How to apply the Apache License to your work. + + To apply the Apache License to your work, attach the following + boilerplate notice, with the fields enclosed by brackets "[]" + replaced with your own identifying information. (Don't include + the brackets!) The text should be enclosed in the appropriate + comment syntax for the file format. We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + + Copyright [yyyy] [name of copyright owner] + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. diff --git a/vendor/github.com/google/flatbuffers/go/BUILD.bazel b/vendor/github.com/google/flatbuffers/go/BUILD.bazel new file mode 100644 index 000000000..78bd8d81a --- /dev/null +++ b/vendor/github.com/google/flatbuffers/go/BUILD.bazel @@ -0,0 +1,23 @@ +load("@io_bazel_rules_go//go:def.bzl", "go_library") + +alias( + name = "go_default_library", + actual = ":go", + visibility = ["//visibility:public"], +) + +go_library( + name = "go", + srcs = [ + "builder.go", + "doc.go", + "encode.go", + "grpc.go", + "lib.go", + "sizes.go", + "struct.go", + "table.go", + ], + importpath = "github.com/google/flatbuffers/go", + visibility = ["//visibility:public"], +) diff --git a/vendor/github.com/google/flatbuffers/go/builder.go b/vendor/github.com/google/flatbuffers/go/builder.go new file mode 100644 index 000000000..5d90e8ef9 --- /dev/null +++ b/vendor/github.com/google/flatbuffers/go/builder.go @@ -0,0 +1,856 @@ +package flatbuffers + +import "sort" + +// Builder is a state machine for creating FlatBuffer objects. +// Use a Builder to construct object(s) starting from leaf nodes. +// +// A Builder constructs byte buffers in a last-first manner for simplicity and +// performance. +type Builder struct { + // `Bytes` gives raw access to the buffer. Most users will want to use + // FinishedBytes() instead. + Bytes []byte + + minalign int + vtable []UOffsetT + objectEnd UOffsetT + vtables []UOffsetT + head UOffsetT + nested bool + finished bool + + sharedStrings map[string]UOffsetT +} + +const fileIdentifierLength = 4 +const sizePrefixLength = 4 + +// NewBuilder initializes a Builder of size `initial_size`. +// The internal buffer is grown as needed. +func NewBuilder(initialSize int) *Builder { + if initialSize <= 0 { + initialSize = 0 + } + + b := &Builder{} + b.Bytes = make([]byte, initialSize) + b.head = UOffsetT(initialSize) + b.minalign = 1 + b.vtables = make([]UOffsetT, 0, 16) // sensible default capacity + return b +} + +// Reset truncates the underlying Builder buffer, facilitating alloc-free +// reuse of a Builder. It also resets bookkeeping data. +func (b *Builder) Reset() { + if b.Bytes != nil { + b.Bytes = b.Bytes[:cap(b.Bytes)] + } + + if b.vtables != nil { + b.vtables = b.vtables[:0] + } + + if b.vtable != nil { + b.vtable = b.vtable[:0] + } + + if b.sharedStrings != nil { + for key := range b.sharedStrings { + delete(b.sharedStrings, key) + } + } + + b.head = UOffsetT(len(b.Bytes)) + b.minalign = 1 + b.nested = false + b.finished = false +} + +// FinishedBytes returns a pointer to the written data in the byte buffer. +// Panics if the builder is not in a finished state (which is caused by calling +// `Finish()`). +func (b *Builder) FinishedBytes() []byte { + b.assertFinished() + return b.Bytes[b.Head():] +} + +// StartObject initializes bookkeeping for writing a new object. +func (b *Builder) StartObject(numfields int) { + b.assertNotNested() + b.nested = true + + // use 32-bit offsets so that arithmetic doesn't overflow. + if cap(b.vtable) < numfields || b.vtable == nil { + b.vtable = make([]UOffsetT, numfields) + } else { + b.vtable = b.vtable[:numfields] + for i := 0; i < len(b.vtable); i++ { + b.vtable[i] = 0 + } + } + + b.objectEnd = b.Offset() +} + +// WriteVtable serializes the vtable for the current object, if applicable. +// +// Before writing out the vtable, this checks pre-existing vtables for equality +// to this one. If an equal vtable is found, point the object to the existing +// vtable and return. +// +// Because vtable values are sensitive to alignment of object data, not all +// logically-equal vtables will be deduplicated. +// +// A vtable has the following format: +// <VOffsetT: size of the vtable in bytes, including this value> +// <VOffsetT: size of the object in bytes, including the vtable offset> +// <VOffsetT: offset for a field> * N, where N is the number of fields in +// the schema for this type. Includes deprecated fields. +// Thus, a vtable is made of 2 + N elements, each SizeVOffsetT bytes wide. +// +// An object has the following format: +// <SOffsetT: offset to this object's vtable (may be negative)> +// <byte: data>+ +func (b *Builder) WriteVtable() (n UOffsetT) { + // Prepend a zero scalar to the object. Later in this function we'll + // write an offset here that points to the object's vtable: + b.PrependSOffsetT(0) + + objectOffset := b.Offset() + existingVtable := UOffsetT(0) + + // Trim vtable of trailing zeroes. + i := len(b.vtable) - 1 + for ; i >= 0 && b.vtable[i] == 0; i-- { + } + b.vtable = b.vtable[:i+1] + + // Search backwards through existing vtables, because similar vtables + // are likely to have been recently appended. See + // BenchmarkVtableDeduplication for a case in which this heuristic + // saves about 30% of the time used in writing objects with duplicate + // tables. + for i := len(b.vtables) - 1; i >= 0; i-- { + // Find the other vtable, which is associated with `i`: + vt2Offset := b.vtables[i] + vt2Start := len(b.Bytes) - int(vt2Offset) + vt2Len := GetVOffsetT(b.Bytes[vt2Start:]) + + metadata := VtableMetadataFields * SizeVOffsetT + vt2End := vt2Start + int(vt2Len) + vt2 := b.Bytes[vt2Start+metadata : vt2End] + + // Compare the other vtable to the one under consideration. + // If they are equal, store the offset and break: + if vtableEqual(b.vtable, objectOffset, vt2) { + existingVtable = vt2Offset + break + } + } + + if existingVtable == 0 { + // Did not find a vtable, so write this one to the buffer. + + // Write out the current vtable in reverse , because + // serialization occurs in last-first order: + for i := len(b.vtable) - 1; i >= 0; i-- { + var off UOffsetT + if b.vtable[i] != 0 { + // Forward reference to field; + // use 32bit number to assert no overflow: + off = objectOffset - b.vtable[i] + } + + b.PrependVOffsetT(VOffsetT(off)) + } + + // The two metadata fields are written last. + + // First, store the object bytesize: + objectSize := objectOffset - b.objectEnd + b.PrependVOffsetT(VOffsetT(objectSize)) + + // Second, store the vtable bytesize: + vBytes := (len(b.vtable) + VtableMetadataFields) * SizeVOffsetT + b.PrependVOffsetT(VOffsetT(vBytes)) + + // Next, write the offset to the new vtable in the + // already-allocated SOffsetT at the beginning of this object: + objectStart := SOffsetT(len(b.Bytes)) - SOffsetT(objectOffset) + WriteSOffsetT(b.Bytes[objectStart:], + SOffsetT(b.Offset())-SOffsetT(objectOffset)) + + // Finally, store this vtable in memory for future + // deduplication: + b.vtables = append(b.vtables, b.Offset()) + } else { + // Found a duplicate vtable. + + objectStart := SOffsetT(len(b.Bytes)) - SOffsetT(objectOffset) + b.head = UOffsetT(objectStart) + + // Write the offset to the found vtable in the + // already-allocated SOffsetT at the beginning of this object: + WriteSOffsetT(b.Bytes[b.head:], + SOffsetT(existingVtable)-SOffsetT(objectOffset)) + } + + b.vtable = b.vtable[:0] + return objectOffset +} + +// EndObject writes data necessary to finish object construction. +func (b *Builder) EndObject() UOffsetT { + b.assertNested() + n := b.WriteVtable() + b.nested = false + return n +} + +// Doubles the size of the byteslice, and copies the old data towards the +// end of the new byteslice (since we build the buffer backwards). +func (b *Builder) growByteBuffer() { + if (int64(len(b.Bytes)) & int64(0xC0000000)) != 0 { + panic("cannot grow buffer beyond 2 gigabytes") + } + newLen := len(b.Bytes) * 2 + if newLen == 0 { + newLen = 1 + } + + if cap(b.Bytes) >= newLen { + b.Bytes = b.Bytes[:newLen] + } else { + extension := make([]byte, newLen-len(b.Bytes)) + b.Bytes = append(b.Bytes, extension...) + } + + middle := newLen / 2 + copy(b.Bytes[middle:], b.Bytes[:middle]) +} + +// Head gives the start of useful data in the underlying byte buffer. +// Note: unlike other functions, this value is interpreted as from the left. +func (b *Builder) Head() UOffsetT { + return b.head +} + +// Offset relative to the end of the buffer. +func (b *Builder) Offset() UOffsetT { + return UOffsetT(len(b.Bytes)) - b.head +} + +// Pad places zeros at the current offset. +func (b *Builder) Pad(n int) { + for i := 0; i < n; i++ { + b.PlaceByte(0) + } +} + +// Prep prepares to write an element of `size` after `additional_bytes` +// have been written, e.g. if you write a string, you need to align such +// the int length field is aligned to SizeInt32, and the string data follows it +// directly. +// If all you need to do is align, `additionalBytes` will be 0. +func (b *Builder) Prep(size, additionalBytes int) { + // Track the biggest thing we've ever aligned to. + if size > b.minalign { + b.minalign = size + } + // Find the amount of alignment needed such that `size` is properly + // aligned after `additionalBytes`: + alignSize := (^(len(b.Bytes) - int(b.Head()) + additionalBytes)) + 1 + alignSize &= (size - 1) + + // Reallocate the buffer if needed: + for int(b.head) <= alignSize+size+additionalBytes { + oldBufSize := len(b.Bytes) + b.growByteBuffer() + b.head += UOffsetT(len(b.Bytes) - oldBufSize) + } + b.Pad(alignSize) +} + +// PrependSOffsetT prepends an SOffsetT, relative to where it will be written. +func (b *Builder) PrependSOffsetT(off SOffsetT) { + b.Prep(SizeSOffsetT, 0) // Ensure alignment is already done. + if !(UOffsetT(off) <= b.Offset()) { + panic("unreachable: off <= b.Offset()") + } + off2 := SOffsetT(b.Offset()) - off + SOffsetT(SizeSOffsetT) + b.PlaceSOffsetT(off2) +} + +// PrependUOffsetT prepends an UOffsetT, relative to where it will be written. +func (b *Builder) PrependUOffsetT(off UOffsetT) { + b.Prep(SizeUOffsetT, 0) // Ensure alignment is already done. + if !(off <= b.Offset()) { + panic("unreachable: off <= b.Offset()") + } + off2 := b.Offset() - off + UOffsetT(SizeUOffsetT) + b.PlaceUOffsetT(off2) +} + +// StartVector initializes bookkeeping for writing a new vector. +// +// A vector has the following format: +// <UOffsetT: number of elements in this vector> +// <T: data>+, where T is the type of elements of this vector. +func (b *Builder) StartVector(elemSize, numElems, alignment int) UOffsetT { + b.assertNotNested() + b.nested = true + b.Prep(SizeUint32, elemSize*numElems) + b.Prep(alignment, elemSize*numElems) // Just in case alignment > int. + return b.Offset() +} + +// EndVector writes data necessary to finish vector construction. +func (b *Builder) EndVector(vectorNumElems int) UOffsetT { + b.assertNested() + + // we already made space for this, so write without PrependUint32 + b.PlaceUOffsetT(UOffsetT(vectorNumElems)) + + b.nested = false + return b.Offset() +} + +// CreateVectorOfTables serializes slice of table offsets into a vector. +func (b *Builder) CreateVectorOfTables(offsets []UOffsetT) UOffsetT { + b.assertNotNested() + b.StartVector(4, len(offsets), 4) + for i := len(offsets) - 1; i >= 0; i-- { + b.PrependUOffsetT(offsets[i]) + } + return b.EndVector(len(offsets)) +} + +type KeyCompare func(o1, o2 UOffsetT, buf []byte) bool + +func (b *Builder) CreateVectorOfSortedTables(offsets []UOffsetT, keyCompare KeyCompare) UOffsetT { + sort.Slice(offsets, func(i, j int) bool { + return keyCompare(offsets[i], offsets[j], b.Bytes) + }) + return b.CreateVectorOfTables(offsets) +} + +// CreateSharedString Checks if the string is already written +// to the buffer before calling CreateString +func (b *Builder) CreateSharedString(s string) UOffsetT { + if b.sharedStrings == nil { + b.sharedStrings = make(map[string]UOffsetT) + } + if v, ok := b.sharedStrings[s]; ok { + return v + } + off := b.CreateString(s) + b.sharedStrings[s] = off + return off +} + +// CreateString writes a null-terminated string as a vector. +func (b *Builder) CreateString(s string) UOffsetT { + b.assertNotNested() + b.nested = true + + b.Prep(int(SizeUOffsetT), (len(s)+1)*SizeByte) + b.PlaceByte(0) + + l := UOffsetT(len(s)) + + b.head -= l + copy(b.Bytes[b.head:b.head+l], s) + + return b.EndVector(len(s)) +} + +// CreateByteString writes a byte slice as a string (null-terminated). +func (b *Builder) CreateByteString(s []byte) UOffsetT { + b.assertNotNested() + b.nested = true + + b.Prep(int(SizeUOffsetT), (len(s)+1)*SizeByte) + b.PlaceByte(0) + + l := UOffsetT(len(s)) + + b.head -= l + copy(b.Bytes[b.head:b.head+l], s) + + return b.EndVector(len(s)) +} + +// CreateByteVector writes a ubyte vector +func (b *Builder) CreateByteVector(v []byte) UOffsetT { + b.assertNotNested() + b.nested = true + + b.Prep(int(SizeUOffsetT), len(v)*SizeByte) + + l := UOffsetT(len(v)) + + b.head -= l + copy(b.Bytes[b.head:b.head+l], v) + + return b.EndVector(len(v)) +} + +func (b *Builder) assertNested() { + // If you get this assert, you're in an object while trying to write + // data that belongs outside of an object. + // To fix this, write non-inline data (like vectors) before creating + // objects. + if !b.nested { + panic("Incorrect creation order: must be inside object.") + } +} + +func (b *Builder) assertNotNested() { + // If you hit this, you're trying to construct a Table/Vector/String + // during the construction of its parent table (between the MyTableBuilder + // and builder.Finish()). + // Move the creation of these sub-objects to above the MyTableBuilder to + // not get this assert. + // Ignoring this assert may appear to work in simple cases, but the reason + // it is here is that storing objects in-line may cause vtable offsets + // to not fit anymore. It also leads to vtable duplication. + if b.nested { + panic("Incorrect creation order: object must not be nested.") + } +} + +func (b *Builder) assertFinished() { + // If you get this assert, you're attempting to get access a buffer + // which hasn't been finished yet. Be sure to call builder.Finish() + // with your root table. + // If you really need to access an unfinished buffer, use the Bytes + // buffer directly. + if !b.finished { + panic("Incorrect use of FinishedBytes(): must call 'Finish' first.") + } +} + +// PrependBoolSlot prepends a bool onto the object at vtable slot `o`. +// If value `x` equals default `d`, then the slot will be set to zero and no +// other data will be written. +func (b *Builder) PrependBoolSlot(o int, x, d bool) { + val := byte(0) + if x { + val = 1 + } + def := byte(0) + if d { + def = 1 + } + b.PrependByteSlot(o, val, def) +} + +// PrependByteSlot prepends a byte onto the object at vtable slot `o`. +// If value `x` equals default `d`, then the slot will be set to zero and no +// other data will be written. +func (b *Builder) PrependByteSlot(o int, x, d byte) { + if x != d { + b.PrependByte(x) + b.Slot(o) + } +} + +// PrependUint8Slot prepends a uint8 onto the object at vtable slot `o`. +// If value `x` equals default `d`, then the slot will be set to zero and no +// other data will be written. +func (b *Builder) PrependUint8Slot(o int, x, d uint8) { + if x != d { + b.PrependUint8(x) + b.Slot(o) + } +} + +// PrependUint16Slot prepends a uint16 onto the object at vtable slot `o`. +// If value `x` equals default `d`, then the slot will be set to zero and no +// other data will be written. +func (b *Builder) PrependUint16Slot(o int, x, d uint16) { + if x != d { + b.PrependUint16(x) + b.Slot(o) + } +} + +// PrependUint32Slot prepends a uint32 onto the object at vtable slot `o`. +// If value `x` equals default `d`, then the slot will be set to zero and no +// other data will be written. +func (b *Builder) PrependUint32Slot(o int, x, d uint32) { + if x != d { + b.PrependUint32(x) + b.Slot(o) + } +} + +// PrependUint64Slot prepends a uint64 onto the object at vtable slot `o`. +// If value `x` equals default `d`, then the slot will be set to zero and no +// other data will be written. +func (b *Builder) PrependUint64Slot(o int, x, d uint64) { + if x != d { + b.PrependUint64(x) + b.Slot(o) + } +} + +// PrependInt8Slot prepends a int8 onto the object at vtable slot `o`. +// If value `x` equals default `d`, then the slot will be set to zero and no +// other data will be written. +func (b *Builder) PrependInt8Slot(o int, x, d int8) { + if x != d { + b.PrependInt8(x) + b.Slot(o) + } +} + +// PrependInt16Slot prepends a int16 onto the object at vtable slot `o`. +// If value `x` equals default `d`, then the slot will be set to zero and no +// other data will be written. +func (b *Builder) PrependInt16Slot(o int, x, d int16) { + if x != d { + b.PrependInt16(x) + b.Slot(o) + } +} + +// PrependInt32Slot prepends a int32 onto the object at vtable slot `o`. +// If value `x` equals default `d`, then the slot will be set to zero and no +// other data will be written. +func (b *Builder) PrependInt32Slot(o int, x, d int32) { + if x != d { + b.PrependInt32(x) + b.Slot(o) + } +} + +// PrependInt64Slot prepends a int64 onto the object at vtable slot `o`. +// If value `x` equals default `d`, then the slot will be set to zero and no +// other data will be written. +func (b *Builder) PrependInt64Slot(o int, x, d int64) { + if x != d { + b.PrependInt64(x) + b.Slot(o) + } +} + +// PrependFloat32Slot prepends a float32 onto the object at vtable slot `o`. +// If value `x` equals default `d`, then the slot will be set to zero and no +// other data will be written. +func (b *Builder) PrependFloat32Slot(o int, x, d float32) { + if x != d { + b.PrependFloat32(x) + b.Slot(o) + } +} + +// PrependFloat64Slot prepends a float64 onto the object at vtable slot `o`. +// If value `x` equals default `d`, then the slot will be set to zero and no +// other data will be written. +func (b *Builder) PrependFloat64Slot(o int, x, d float64) { + if x != d { + b.PrependFloat64(x) + b.Slot(o) + } +} + +// PrependUOffsetTSlot prepends an UOffsetT onto the object at vtable slot `o`. +// If value `x` equals default `d`, then the slot will be set to zero and no +// other data will be written. +func (b *Builder) PrependUOffsetTSlot(o int, x, d UOffsetT) { + if x != d { + b.PrependUOffsetT(x) + b.Slot(o) + } +} + +// PrependStructSlot prepends a struct onto the object at vtable slot `o`. +// Structs are stored inline, so nothing additional is being added. +// In generated code, `d` is always 0. +func (b *Builder) PrependStructSlot(voffset int, x, d UOffsetT) { + if x != d { + b.assertNested() + if x != b.Offset() { + panic("inline data write outside of object") + } + b.Slot(voffset) + } +} + +// Slot sets the vtable key `voffset` to the current location in the buffer. +func (b *Builder) Slot(slotnum int) { + b.vtable[slotnum] = UOffsetT(b.Offset()) +} + +// FinishWithFileIdentifier finalizes a buffer, pointing to the given `rootTable`. +// as well as applys a file identifier +func (b *Builder) FinishWithFileIdentifier(rootTable UOffsetT, fid []byte) { + if fid == nil || len(fid) != fileIdentifierLength { + panic("incorrect file identifier length") + } + // In order to add a file identifier to the flatbuffer message, we need + // to prepare an alignment and file identifier length + b.Prep(b.minalign, SizeInt32+fileIdentifierLength) + for i := fileIdentifierLength - 1; i >= 0; i-- { + // place the file identifier + b.PlaceByte(fid[i]) + } + // finish + b.Finish(rootTable) +} + +// FinishSizePrefixed finalizes a buffer, pointing to the given `rootTable`. +// The buffer is prefixed with the size of the buffer, excluding the size +// of the prefix itself. +func (b *Builder) FinishSizePrefixed(rootTable UOffsetT) { + b.finish(rootTable, true) +} + +// FinishSizePrefixedWithFileIdentifier finalizes a buffer, pointing to the given `rootTable` +// and applies a file identifier. The buffer is prefixed with the size of the buffer, +// excluding the size of the prefix itself. +func (b *Builder) FinishSizePrefixedWithFileIdentifier(rootTable UOffsetT, fid []byte) { + if fid == nil || len(fid) != fileIdentifierLength { + panic("incorrect file identifier length") + } + // In order to add a file identifier and size prefix to the flatbuffer message, + // we need to prepare an alignment, a size prefix length, and file identifier length + b.Prep(b.minalign, SizeInt32+fileIdentifierLength+sizePrefixLength) + for i := fileIdentifierLength - 1; i >= 0; i-- { + // place the file identifier + b.PlaceByte(fid[i]) + } + // finish + b.finish(rootTable, true) +} + +// Finish finalizes a buffer, pointing to the given `rootTable`. +func (b *Builder) Finish(rootTable UOffsetT) { + b.finish(rootTable, false) +} + +// finish finalizes a buffer, pointing to the given `rootTable` +// with an optional size prefix. +func (b *Builder) finish(rootTable UOffsetT, sizePrefix bool) { + b.assertNotNested() + + if sizePrefix { + b.Prep(b.minalign, SizeUOffsetT+sizePrefixLength) + } else { + b.Prep(b.minalign, SizeUOffsetT) + } + + b.PrependUOffsetT(rootTable) + + if sizePrefix { + b.PlaceUint32(uint32(b.Offset())) + } + + b.finished = true +} + +// vtableEqual compares an unwritten vtable to a written vtable. +func vtableEqual(a []UOffsetT, objectStart UOffsetT, b []byte) bool { + if len(a)*SizeVOffsetT != len(b) { + return false + } + + for i := 0; i < len(a); i++ { + x := GetVOffsetT(b[i*SizeVOffsetT : (i+1)*SizeVOffsetT]) + + // Skip vtable entries that indicate a default value. + if x == 0 && a[i] == 0 { + continue + } + + y := SOffsetT(objectStart) - SOffsetT(a[i]) + if SOffsetT(x) != y { + return false + } + } + return true +} + +// PrependBool prepends a bool to the Builder buffer. +// Aligns and checks for space. +func (b *Builder) PrependBool(x bool) { + b.Prep(SizeBool, 0) + b.PlaceBool(x) +} + +// PrependUint8 prepends a uint8 to the Builder buffer. +// Aligns and checks for space. +func (b *Builder) PrependUint8(x uint8) { + b.Prep(SizeUint8, 0) + b.PlaceUint8(x) +} + +// PrependUint16 prepends a uint16 to the Builder buffer. +// Aligns and checks for space. +func (b *Builder) PrependUint16(x uint16) { + b.Prep(SizeUint16, 0) + b.PlaceUint16(x) +} + +// PrependUint32 prepends a uint32 to the Builder buffer. +// Aligns and checks for space. +func (b *Builder) PrependUint32(x uint32) { + b.Prep(SizeUint32, 0) + b.PlaceUint32(x) +} + +// PrependUint64 prepends a uint64 to the Builder buffer. +// Aligns and checks for space. +func (b *Builder) PrependUint64(x uint64) { + b.Prep(SizeUint64, 0) + b.PlaceUint64(x) +} + +// PrependInt8 prepends a int8 to the Builder buffer. +// Aligns and checks for space. +func (b *Builder) PrependInt8(x int8) { + b.Prep(SizeInt8, 0) + b.PlaceInt8(x) +} + +// PrependInt16 prepends a int16 to the Builder buffer. +// Aligns and checks for space. +func (b *Builder) PrependInt16(x int16) { + b.Prep(SizeInt16, 0) + b.PlaceInt16(x) +} + +// PrependInt32 prepends a int32 to the Builder buffer. +// Aligns and checks for space. +func (b *Builder) PrependInt32(x int32) { + b.Prep(SizeInt32, 0) + b.PlaceInt32(x) +} + +// PrependInt64 prepends a int64 to the Builder buffer. +// Aligns and checks for space. +func (b *Builder) PrependInt64(x int64) { + b.Prep(SizeInt64, 0) + b.PlaceInt64(x) +} + +// PrependFloat32 prepends a float32 to the Builder buffer. +// Aligns and checks for space. +func (b *Builder) PrependFloat32(x float32) { + b.Prep(SizeFloat32, 0) + b.PlaceFloat32(x) +} + +// PrependFloat64 prepends a float64 to the Builder buffer. +// Aligns and checks for space. +func (b *Builder) PrependFloat64(x float64) { + b.Prep(SizeFloat64, 0) + b.PlaceFloat64(x) +} + +// PrependByte prepends a byte to the Builder buffer. +// Aligns and checks for space. +func (b *Builder) PrependByte(x byte) { + b.Prep(SizeByte, 0) + b.PlaceByte(x) +} + +// PrependVOffsetT prepends a VOffsetT to the Builder buffer. +// Aligns and checks for space. +func (b *Builder) PrependVOffsetT(x VOffsetT) { + b.Prep(SizeVOffsetT, 0) + b.PlaceVOffsetT(x) +} + +// PlaceBool prepends a bool to the Builder, without checking for space. +func (b *Builder) PlaceBool(x bool) { + b.head -= UOffsetT(SizeBool) + WriteBool(b.Bytes[b.head:], x) +} + +// PlaceUint8 prepends a uint8 to the Builder, without checking for space. +func (b *Builder) PlaceUint8(x uint8) { + b.head -= UOffsetT(SizeUint8) + WriteUint8(b.Bytes[b.head:], x) +} + +// PlaceUint16 prepends a uint16 to the Builder, without checking for space. +func (b *Builder) PlaceUint16(x uint16) { + b.head -= UOffsetT(SizeUint16) + WriteUint16(b.Bytes[b.head:], x) +} + +// PlaceUint32 prepends a uint32 to the Builder, without checking for space. +func (b *Builder) PlaceUint32(x uint32) { + b.head -= UOffsetT(SizeUint32) + WriteUint32(b.Bytes[b.head:], x) +} + +// PlaceUint64 prepends a uint64 to the Builder, without checking for space. +func (b *Builder) PlaceUint64(x uint64) { + b.head -= UOffsetT(SizeUint64) + WriteUint64(b.Bytes[b.head:], x) +} + +// PlaceInt8 prepends a int8 to the Builder, without checking for space. +func (b *Builder) PlaceInt8(x int8) { + b.head -= UOffsetT(SizeInt8) + WriteInt8(b.Bytes[b.head:], x) +} + +// PlaceInt16 prepends a int16 to the Builder, without checking for space. +func (b *Builder) PlaceInt16(x int16) { + b.head -= UOffsetT(SizeInt16) + WriteInt16(b.Bytes[b.head:], x) +} + +// PlaceInt32 prepends a int32 to the Builder, without checking for space. +func (b *Builder) PlaceInt32(x int32) { + b.head -= UOffsetT(SizeInt32) + WriteInt32(b.Bytes[b.head:], x) +} + +// PlaceInt64 prepends a int64 to the Builder, without checking for space. +func (b *Builder) PlaceInt64(x int64) { + b.head -= UOffsetT(SizeInt64) + WriteInt64(b.Bytes[b.head:], x) +} + +// PlaceFloat32 prepends a float32 to the Builder, without checking for space. +func (b *Builder) PlaceFloat32(x float32) { + b.head -= UOffsetT(SizeFloat32) + WriteFloat32(b.Bytes[b.head:], x) +} + +// PlaceFloat64 prepends a float64 to the Builder, without checking for space. +func (b *Builder) PlaceFloat64(x float64) { + b.head -= UOffsetT(SizeFloat64) + WriteFloat64(b.Bytes[b.head:], x) +} + +// PlaceByte prepends a byte to the Builder, without checking for space. +func (b *Builder) PlaceByte(x byte) { + b.head -= UOffsetT(SizeByte) + WriteByte(b.Bytes[b.head:], x) +} + +// PlaceVOffsetT prepends a VOffsetT to the Builder, without checking for space. +func (b *Builder) PlaceVOffsetT(x VOffsetT) { + b.head -= UOffsetT(SizeVOffsetT) + WriteVOffsetT(b.Bytes[b.head:], x) +} + +// PlaceSOffsetT prepends a SOffsetT to the Builder, without checking for space. +func (b *Builder) PlaceSOffsetT(x SOffsetT) { + b.head -= UOffsetT(SizeSOffsetT) + WriteSOffsetT(b.Bytes[b.head:], x) +} + +// PlaceUOffsetT prepends a UOffsetT to the Builder, without checking for space. +func (b *Builder) PlaceUOffsetT(x UOffsetT) { + b.head -= UOffsetT(SizeUOffsetT) + WriteUOffsetT(b.Bytes[b.head:], x) +} diff --git a/vendor/github.com/google/flatbuffers/go/doc.go b/vendor/github.com/google/flatbuffers/go/doc.go new file mode 100644 index 000000000..694edc763 --- /dev/null +++ b/vendor/github.com/google/flatbuffers/go/doc.go @@ -0,0 +1,3 @@ +// Package flatbuffers provides facilities to read and write flatbuffers +// objects. +package flatbuffers diff --git a/vendor/github.com/google/flatbuffers/go/encode.go b/vendor/github.com/google/flatbuffers/go/encode.go new file mode 100644 index 000000000..a2a579812 --- /dev/null +++ b/vendor/github.com/google/flatbuffers/go/encode.go @@ -0,0 +1,238 @@ +package flatbuffers + +import ( + "math" +) + +type ( + // A SOffsetT stores a signed offset into arbitrary data. + SOffsetT int32 + // A UOffsetT stores an unsigned offset into vector data. + UOffsetT uint32 + // A VOffsetT stores an unsigned offset in a vtable. + VOffsetT uint16 +) + +const ( + // VtableMetadataFields is the count of metadata fields in each vtable. + VtableMetadataFields = 2 +) + +// GetByte decodes a little-endian byte from a byte slice. +func GetByte(buf []byte) byte { + return byte(GetUint8(buf)) +} + +// GetBool decodes a little-endian bool from a byte slice. +func GetBool(buf []byte) bool { + return buf[0] == 1 +} + +// GetUint8 decodes a little-endian uint8 from a byte slice. +func GetUint8(buf []byte) (n uint8) { + n = uint8(buf[0]) + return +} + +// GetUint16 decodes a little-endian uint16 from a byte slice. +func GetUint16(buf []byte) (n uint16) { + _ = buf[1] // Force one bounds check. See: golang.org/issue/14808 + n |= uint16(buf[0]) + n |= uint16(buf[1]) << 8 + return +} + +// GetUint32 decodes a little-endian uint32 from a byte slice. +func GetUint32(buf []byte) (n uint32) { + _ = buf[3] // Force one bounds check. See: golang.org/issue/14808 + n |= uint32(buf[0]) + n |= uint32(buf[1]) << 8 + n |= uint32(buf[2]) << 16 + n |= uint32(buf[3]) << 24 + return +} + +// GetUint64 decodes a little-endian uint64 from a byte slice. +func GetUint64(buf []byte) (n uint64) { + _ = buf[7] // Force one bounds check. See: golang.org/issue/14808 + n |= uint64(buf[0]) + n |= uint64(buf[1]) << 8 + n |= uint64(buf[2]) << 16 + n |= uint64(buf[3]) << 24 + n |= uint64(buf[4]) << 32 + n |= uint64(buf[5]) << 40 + n |= uint64(buf[6]) << 48 + n |= uint64(buf[7]) << 56 + return +} + +// GetInt8 decodes a little-endian int8 from a byte slice. +func GetInt8(buf []byte) (n int8) { + n = int8(buf[0]) + return +} + +// GetInt16 decodes a little-endian int16 from a byte slice. +func GetInt16(buf []byte) (n int16) { + _ = buf[1] // Force one bounds check. See: golang.org/issue/14808 + n |= int16(buf[0]) + n |= int16(buf[1]) << 8 + return +} + +// GetInt32 decodes a little-endian int32 from a byte slice. +func GetInt32(buf []byte) (n int32) { + _ = buf[3] // Force one bounds check. See: golang.org/issue/14808 + n |= int32(buf[0]) + n |= int32(buf[1]) << 8 + n |= int32(buf[2]) << 16 + n |= int32(buf[3]) << 24 + return +} + +// GetInt64 decodes a little-endian int64 from a byte slice. +func GetInt64(buf []byte) (n int64) { + _ = buf[7] // Force one bounds check. See: golang.org/issue/14808 + n |= int64(buf[0]) + n |= int64(buf[1]) << 8 + n |= int64(buf[2]) << 16 + n |= int64(buf[3]) << 24 + n |= int64(buf[4]) << 32 + n |= int64(buf[5]) << 40 + n |= int64(buf[6]) << 48 + n |= int64(buf[7]) << 56 + return +} + +// GetFloat32 decodes a little-endian float32 from a byte slice. +func GetFloat32(buf []byte) float32 { + x := GetUint32(buf) + return math.Float32frombits(x) +} + +// GetFloat64 decodes a little-endian float64 from a byte slice. +func GetFloat64(buf []byte) float64 { + x := GetUint64(buf) + return math.Float64frombits(x) +} + +// GetUOffsetT decodes a little-endian UOffsetT from a byte slice. +func GetUOffsetT(buf []byte) UOffsetT { + return UOffsetT(GetUint32(buf)) +} + +// GetSOffsetT decodes a little-endian SOffsetT from a byte slice. +func GetSOffsetT(buf []byte) SOffsetT { + return SOffsetT(GetInt32(buf)) +} + +// GetVOffsetT decodes a little-endian VOffsetT from a byte slice. +func GetVOffsetT(buf []byte) VOffsetT { + return VOffsetT(GetUint16(buf)) +} + +// WriteByte encodes a little-endian uint8 into a byte slice. +func WriteByte(buf []byte, n byte) { + WriteUint8(buf, uint8(n)) +} + +// WriteBool encodes a little-endian bool into a byte slice. +func WriteBool(buf []byte, b bool) { + buf[0] = 0 + if b { + buf[0] = 1 + } +} + +// WriteUint8 encodes a little-endian uint8 into a byte slice. +func WriteUint8(buf []byte, n uint8) { + buf[0] = byte(n) +} + +// WriteUint16 encodes a little-endian uint16 into a byte slice. +func WriteUint16(buf []byte, n uint16) { + _ = buf[1] // Force one bounds check. See: golang.org/issue/14808 + buf[0] = byte(n) + buf[1] = byte(n >> 8) +} + +// WriteUint32 encodes a little-endian uint32 into a byte slice. +func WriteUint32(buf []byte, n uint32) { + _ = buf[3] // Force one bounds check. See: golang.org/issue/14808 + buf[0] = byte(n) + buf[1] = byte(n >> 8) + buf[2] = byte(n >> 16) + buf[3] = byte(n >> 24) +} + +// WriteUint64 encodes a little-endian uint64 into a byte slice. +func WriteUint64(buf []byte, n uint64) { + _ = buf[7] // Force one bounds check. See: golang.org/issue/14808 + buf[0] = byte(n) + buf[1] = byte(n >> 8) + buf[2] = byte(n >> 16) + buf[3] = byte(n >> 24) + buf[4] = byte(n >> 32) + buf[5] = byte(n >> 40) + buf[6] = byte(n >> 48) + buf[7] = byte(n >> 56) +} + +// WriteInt8 encodes a little-endian int8 into a byte slice. +func WriteInt8(buf []byte, n int8) { + buf[0] = byte(n) +} + +// WriteInt16 encodes a little-endian int16 into a byte slice. +func WriteInt16(buf []byte, n int16) { + _ = buf[1] // Force one bounds check. See: golang.org/issue/14808 + buf[0] = byte(n) + buf[1] = byte(n >> 8) +} + +// WriteInt32 encodes a little-endian int32 into a byte slice. +func WriteInt32(buf []byte, n int32) { + _ = buf[3] // Force one bounds check. See: golang.org/issue/14808 + buf[0] = byte(n) + buf[1] = byte(n >> 8) + buf[2] = byte(n >> 16) + buf[3] = byte(n >> 24) +} + +// WriteInt64 encodes a little-endian int64 into a byte slice. +func WriteInt64(buf []byte, n int64) { + _ = buf[7] // Force one bounds check. See: golang.org/issue/14808 + buf[0] = byte(n) + buf[1] = byte(n >> 8) + buf[2] = byte(n >> 16) + buf[3] = byte(n >> 24) + buf[4] = byte(n >> 32) + buf[5] = byte(n >> 40) + buf[6] = byte(n >> 48) + buf[7] = byte(n >> 56) +} + +// WriteFloat32 encodes a little-endian float32 into a byte slice. +func WriteFloat32(buf []byte, n float32) { + WriteUint32(buf, math.Float32bits(n)) +} + +// WriteFloat64 encodes a little-endian float64 into a byte slice. +func WriteFloat64(buf []byte, n float64) { + WriteUint64(buf, math.Float64bits(n)) +} + +// WriteVOffsetT encodes a little-endian VOffsetT into a byte slice. +func WriteVOffsetT(buf []byte, n VOffsetT) { + WriteUint16(buf, uint16(n)) +} + +// WriteSOffsetT encodes a little-endian SOffsetT into a byte slice. +func WriteSOffsetT(buf []byte, n SOffsetT) { + WriteInt32(buf, int32(n)) +} + +// WriteUOffsetT encodes a little-endian UOffsetT into a byte slice. +func WriteUOffsetT(buf []byte, n UOffsetT) { + WriteUint32(buf, uint32(n)) +} diff --git a/vendor/github.com/google/flatbuffers/go/grpc.go b/vendor/github.com/google/flatbuffers/go/grpc.go new file mode 100644 index 000000000..15f1a510d --- /dev/null +++ b/vendor/github.com/google/flatbuffers/go/grpc.go @@ -0,0 +1,38 @@ +package flatbuffers + +// Codec implements gRPC-go Codec which is used to encode and decode messages. +var Codec = "flatbuffers" + +// FlatbuffersCodec defines the interface gRPC uses to encode and decode messages. Note +// that implementations of this interface must be thread safe; a Codec's +// methods can be called from concurrent goroutines. +type FlatbuffersCodec struct{} + +// Marshal returns the wire format of v. +func (FlatbuffersCodec) Marshal(v interface{}) ([]byte, error) { + return v.(*Builder).FinishedBytes(), nil +} + +// Unmarshal parses the wire format into v. +func (FlatbuffersCodec) Unmarshal(data []byte, v interface{}) error { + v.(flatbuffersInit).Init(data, GetUOffsetT(data)) + return nil +} + +// String old gRPC Codec interface func +func (FlatbuffersCodec) String() string { + return Codec +} + +// Name returns the name of the Codec implementation. The returned string +// will be used as part of content type in transmission. The result must be +// static; the result cannot change between calls. +// +// add Name() for ForceCodec interface +func (FlatbuffersCodec) Name() string { + return Codec +} + +type flatbuffersInit interface { + Init(data []byte, i UOffsetT) +} diff --git a/vendor/github.com/google/flatbuffers/go/lib.go b/vendor/github.com/google/flatbuffers/go/lib.go new file mode 100644 index 000000000..a4e99de10 --- /dev/null +++ b/vendor/github.com/google/flatbuffers/go/lib.go @@ -0,0 +1,50 @@ +package flatbuffers + +// FlatBuffer is the interface that represents a flatbuffer. +type FlatBuffer interface { + Table() Table + Init(buf []byte, i UOffsetT) +} + +// GetRootAs is a generic helper to initialize a FlatBuffer with the provided buffer bytes and its data offset. +func GetRootAs(buf []byte, offset UOffsetT, fb FlatBuffer) { + n := GetUOffsetT(buf[offset:]) + fb.Init(buf, n+offset) +} + +// GetSizePrefixedRootAs is a generic helper to initialize a FlatBuffer with the provided size-prefixed buffer +// bytes and its data offset +func GetSizePrefixedRootAs(buf []byte, offset UOffsetT, fb FlatBuffer) { + n := GetUOffsetT(buf[offset+sizePrefixLength:]) + fb.Init(buf, n+offset+sizePrefixLength) +} + +// GetSizePrefix reads the size from a size-prefixed flatbuffer +func GetSizePrefix(buf []byte, offset UOffsetT) uint32 { + return GetUint32(buf[offset:]) +} + +// GetIndirectOffset retrives the relative offset in the provided buffer stored at `offset`. +func GetIndirectOffset(buf []byte, offset UOffsetT) UOffsetT { + return offset + GetUOffsetT(buf[offset:]) +} + +// GetBufferIdentifier returns the file identifier as string +func GetBufferIdentifier(buf []byte) string { + return string(buf[SizeUOffsetT:][:fileIdentifierLength]) +} + +// GetBufferIdentifier returns the file identifier as string for a size-prefixed buffer +func GetSizePrefixedBufferIdentifier(buf []byte) string { + return string(buf[SizeUOffsetT+sizePrefixLength:][:fileIdentifierLength]) +} + +// BufferHasIdentifier checks if the identifier in a buffer has the expected value +func BufferHasIdentifier(buf []byte, identifier string) bool { + return GetBufferIdentifier(buf) == identifier +} + +// BufferHasIdentifier checks if the identifier in a buffer has the expected value for a size-prefixed buffer +func SizePrefixedBufferHasIdentifier(buf []byte, identifier string) bool { + return GetSizePrefixedBufferIdentifier(buf) == identifier +} diff --git a/vendor/github.com/google/flatbuffers/go/sizes.go b/vendor/github.com/google/flatbuffers/go/sizes.go new file mode 100644 index 000000000..ba2216984 --- /dev/null +++ b/vendor/github.com/google/flatbuffers/go/sizes.go @@ -0,0 +1,55 @@ +package flatbuffers + +import ( + "unsafe" +) + +const ( + // See http://golang.org/ref/spec#Numeric_types + + // SizeUint8 is the byte size of a uint8. + SizeUint8 = 1 + // SizeUint16 is the byte size of a uint16. + SizeUint16 = 2 + // SizeUint32 is the byte size of a uint32. + SizeUint32 = 4 + // SizeUint64 is the byte size of a uint64. + SizeUint64 = 8 + + // SizeInt8 is the byte size of a int8. + SizeInt8 = 1 + // SizeInt16 is the byte size of a int16. + SizeInt16 = 2 + // SizeInt32 is the byte size of a int32. + SizeInt32 = 4 + // SizeInt64 is the byte size of a int64. + SizeInt64 = 8 + + // SizeFloat32 is the byte size of a float32. + SizeFloat32 = 4 + // SizeFloat64 is the byte size of a float64. + SizeFloat64 = 8 + + // SizeByte is the byte size of a byte. + // The `byte` type is aliased (by Go definition) to uint8. + SizeByte = 1 + + // SizeBool is the byte size of a bool. + // The `bool` type is aliased (by flatbuffers convention) to uint8. + SizeBool = 1 + + // SizeSOffsetT is the byte size of an SOffsetT. + // The `SOffsetT` type is aliased (by flatbuffers convention) to int32. + SizeSOffsetT = 4 + // SizeUOffsetT is the byte size of an UOffsetT. + // The `UOffsetT` type is aliased (by flatbuffers convention) to uint32. + SizeUOffsetT = 4 + // SizeVOffsetT is the byte size of an VOffsetT. + // The `VOffsetT` type is aliased (by flatbuffers convention) to uint16. + SizeVOffsetT = 2 +) + +// byteSliceToString converts a []byte to string without a heap allocation. +func byteSliceToString(b []byte) string { + return *(*string)(unsafe.Pointer(&b)) +} diff --git a/vendor/github.com/google/flatbuffers/go/struct.go b/vendor/github.com/google/flatbuffers/go/struct.go new file mode 100644 index 000000000..11258f715 --- /dev/null +++ b/vendor/github.com/google/flatbuffers/go/struct.go @@ -0,0 +1,8 @@ +package flatbuffers + +// Struct wraps a byte slice and provides read access to its data. +// +// Structs do not have a vtable. +type Struct struct { + Table +} diff --git a/vendor/github.com/google/flatbuffers/go/table.go b/vendor/github.com/google/flatbuffers/go/table.go new file mode 100644 index 000000000..b273146fa --- /dev/null +++ b/vendor/github.com/google/flatbuffers/go/table.go @@ -0,0 +1,505 @@ +package flatbuffers + +// Table wraps a byte slice and provides read access to its data. +// +// The variable `Pos` indicates the root of the FlatBuffers object therein. +type Table struct { + Bytes []byte + Pos UOffsetT // Always < 1<<31. +} + +// Offset provides access into the Table's vtable. +// +// Fields which are deprecated are ignored by checking against the vtable's length. +func (t *Table) Offset(vtableOffset VOffsetT) VOffsetT { + vtable := UOffsetT(SOffsetT(t.Pos) - t.GetSOffsetT(t.Pos)) + if vtableOffset < t.GetVOffsetT(vtable) { + return t.GetVOffsetT(vtable + UOffsetT(vtableOffset)) + } + return 0 +} + +// Indirect retrieves the relative offset stored at `offset`. +func (t *Table) Indirect(off UOffsetT) UOffsetT { + return off + GetUOffsetT(t.Bytes[off:]) +} + +// String gets a string from data stored inside the flatbuffer. +func (t *Table) String(off UOffsetT) string { + b := t.ByteVector(off) + return byteSliceToString(b) +} + +// ByteVector gets a byte slice from data stored inside the flatbuffer. +func (t *Table) ByteVector(off UOffsetT) []byte { + off += GetUOffsetT(t.Bytes[off:]) + start := off + UOffsetT(SizeUOffsetT) + length := GetUOffsetT(t.Bytes[off:]) + return t.Bytes[start : start+length] +} + +// VectorLen retrieves the length of the vector whose offset is stored at +// "off" in this object. +func (t *Table) VectorLen(off UOffsetT) int { + off += t.Pos + off += GetUOffsetT(t.Bytes[off:]) + return int(GetUOffsetT(t.Bytes[off:])) +} + +// Vector retrieves the start of data of the vector whose offset is stored +// at "off" in this object. +func (t *Table) Vector(off UOffsetT) UOffsetT { + off += t.Pos + x := off + GetUOffsetT(t.Bytes[off:]) + // data starts after metadata containing the vector length + x += UOffsetT(SizeUOffsetT) + return x +} + +// Union initializes any Table-derived type to point to the union at the given +// offset. +func (t *Table) Union(t2 *Table, off UOffsetT) { + off += t.Pos + t2.Pos = off + t.GetUOffsetT(off) + t2.Bytes = t.Bytes +} + +// GetBool retrieves a bool at the given offset. +func (t *Table) GetBool(off UOffsetT) bool { + return GetBool(t.Bytes[off:]) +} + +// GetByte retrieves a byte at the given offset. +func (t *Table) GetByte(off UOffsetT) byte { + return GetByte(t.Bytes[off:]) +} + +// GetUint8 retrieves a uint8 at the given offset. +func (t *Table) GetUint8(off UOffsetT) uint8 { + return GetUint8(t.Bytes[off:]) +} + +// GetUint16 retrieves a uint16 at the given offset. +func (t *Table) GetUint16(off UOffsetT) uint16 { + return GetUint16(t.Bytes[off:]) +} + +// GetUint32 retrieves a uint32 at the given offset. +func (t *Table) GetUint32(off UOffsetT) uint32 { + return GetUint32(t.Bytes[off:]) +} + +// GetUint64 retrieves a uint64 at the given offset. +func (t *Table) GetUint64(off UOffsetT) uint64 { + return GetUint64(t.Bytes[off:]) +} + +// GetInt8 retrieves a int8 at the given offset. +func (t *Table) GetInt8(off UOffsetT) int8 { + return GetInt8(t.Bytes[off:]) +} + +// GetInt16 retrieves a int16 at the given offset. +func (t *Table) GetInt16(off UOffsetT) int16 { + return GetInt16(t.Bytes[off:]) +} + +// GetInt32 retrieves a int32 at the given offset. +func (t *Table) GetInt32(off UOffsetT) int32 { + return GetInt32(t.Bytes[off:]) +} + +// GetInt64 retrieves a int64 at the given offset. +func (t *Table) GetInt64(off UOffsetT) int64 { + return GetInt64(t.Bytes[off:]) +} + +// GetFloat32 retrieves a float32 at the given offset. +func (t *Table) GetFloat32(off UOffsetT) float32 { + return GetFloat32(t.Bytes[off:]) +} + +// GetFloat64 retrieves a float64 at the given offset. +func (t *Table) GetFloat64(off UOffsetT) float64 { + return GetFloat64(t.Bytes[off:]) +} + +// GetUOffsetT retrieves a UOffsetT at the given offset. +func (t *Table) GetUOffsetT(off UOffsetT) UOffsetT { + return GetUOffsetT(t.Bytes[off:]) +} + +// GetVOffsetT retrieves a VOffsetT at the given offset. +func (t *Table) GetVOffsetT(off UOffsetT) VOffsetT { + return GetVOffsetT(t.Bytes[off:]) +} + +// GetSOffsetT retrieves a SOffsetT at the given offset. +func (t *Table) GetSOffsetT(off UOffsetT) SOffsetT { + return GetSOffsetT(t.Bytes[off:]) +} + +// GetBoolSlot retrieves the bool that the given vtable location +// points to. If the vtable value is zero, the default value `d` +// will be returned. +func (t *Table) GetBoolSlot(slot VOffsetT, d bool) bool { + off := t.Offset(slot) + if off == 0 { + return d + } + + return t.GetBool(t.Pos + UOffsetT(off)) +} + +// GetByteSlot retrieves the byte that the given vtable location +// points to. If the vtable value is zero, the default value `d` +// will be returned. +func (t *Table) GetByteSlot(slot VOffsetT, d byte) byte { + off := t.Offset(slot) + if off == 0 { + return d + } + + return t.GetByte(t.Pos + UOffsetT(off)) +} + +// GetInt8Slot retrieves the int8 that the given vtable location +// points to. If the vtable value is zero, the default value `d` +// will be returned. +func (t *Table) GetInt8Slot(slot VOffsetT, d int8) int8 { + off := t.Offset(slot) + if off == 0 { + return d + } + + return t.GetInt8(t.Pos + UOffsetT(off)) +} + +// GetUint8Slot retrieves the uint8 that the given vtable location +// points to. If the vtable value is zero, the default value `d` +// will be returned. +func (t *Table) GetUint8Slot(slot VOffsetT, d uint8) uint8 { + off := t.Offset(slot) + if off == 0 { + return d + } + + return t.GetUint8(t.Pos + UOffsetT(off)) +} + +// GetInt16Slot retrieves the int16 that the given vtable location +// points to. If the vtable value is zero, the default value `d` +// will be returned. +func (t *Table) GetInt16Slot(slot VOffsetT, d int16) int16 { + off := t.Offset(slot) + if off == 0 { + return d + } + + return t.GetInt16(t.Pos + UOffsetT(off)) +} + +// GetUint16Slot retrieves the uint16 that the given vtable location +// points to. If the vtable value is zero, the default value `d` +// will be returned. +func (t *Table) GetUint16Slot(slot VOffsetT, d uint16) uint16 { + off := t.Offset(slot) + if off == 0 { + return d + } + + return t.GetUint16(t.Pos + UOffsetT(off)) +} + +// GetInt32Slot retrieves the int32 that the given vtable location +// points to. If the vtable value is zero, the default value `d` +// will be returned. +func (t *Table) GetInt32Slot(slot VOffsetT, d int32) int32 { + off := t.Offset(slot) + if off == 0 { + return d + } + + return t.GetInt32(t.Pos + UOffsetT(off)) +} + +// GetUint32Slot retrieves the uint32 that the given vtable location +// points to. If the vtable value is zero, the default value `d` +// will be returned. +func (t *Table) GetUint32Slot(slot VOffsetT, d uint32) uint32 { + off := t.Offset(slot) + if off == 0 { + return d + } + + return t.GetUint32(t.Pos + UOffsetT(off)) +} + +// GetInt64Slot retrieves the int64 that the given vtable location +// points to. If the vtable value is zero, the default value `d` +// will be returned. +func (t *Table) GetInt64Slot(slot VOffsetT, d int64) int64 { + off := t.Offset(slot) + if off == 0 { + return d + } + + return t.GetInt64(t.Pos + UOffsetT(off)) +} + +// GetUint64Slot retrieves the uint64 that the given vtable location +// points to. If the vtable value is zero, the default value `d` +// will be returned. +func (t *Table) GetUint64Slot(slot VOffsetT, d uint64) uint64 { + off := t.Offset(slot) + if off == 0 { + return d + } + + return t.GetUint64(t.Pos + UOffsetT(off)) +} + +// GetFloat32Slot retrieves the float32 that the given vtable location +// points to. If the vtable value is zero, the default value `d` +// will be returned. +func (t *Table) GetFloat32Slot(slot VOffsetT, d float32) float32 { + off := t.Offset(slot) + if off == 0 { + return d + } + + return t.GetFloat32(t.Pos + UOffsetT(off)) +} + +// GetFloat64Slot retrieves the float64 that the given vtable location +// points to. If the vtable value is zero, the default value `d` +// will be returned. +func (t *Table) GetFloat64Slot(slot VOffsetT, d float64) float64 { + off := t.Offset(slot) + if off == 0 { + return d + } + + return t.GetFloat64(t.Pos + UOffsetT(off)) +} + +// GetVOffsetTSlot retrieves the VOffsetT that the given vtable location +// points to. If the vtable value is zero, the default value `d` +// will be returned. +func (t *Table) GetVOffsetTSlot(slot VOffsetT, d VOffsetT) VOffsetT { + off := t.Offset(slot) + if off == 0 { + return d + } + return VOffsetT(off) +} + +// MutateBool updates a bool at the given offset. +func (t *Table) MutateBool(off UOffsetT, n bool) bool { + WriteBool(t.Bytes[off:], n) + return true +} + +// MutateByte updates a Byte at the given offset. +func (t *Table) MutateByte(off UOffsetT, n byte) bool { + WriteByte(t.Bytes[off:], n) + return true +} + +// MutateUint8 updates a Uint8 at the given offset. +func (t *Table) MutateUint8(off UOffsetT, n uint8) bool { + WriteUint8(t.Bytes[off:], n) + return true +} + +// MutateUint16 updates a Uint16 at the given offset. +func (t *Table) MutateUint16(off UOffsetT, n uint16) bool { + WriteUint16(t.Bytes[off:], n) + return true +} + +// MutateUint32 updates a Uint32 at the given offset. +func (t *Table) MutateUint32(off UOffsetT, n uint32) bool { + WriteUint32(t.Bytes[off:], n) + return true +} + +// MutateUint64 updates a Uint64 at the given offset. +func (t *Table) MutateUint64(off UOffsetT, n uint64) bool { + WriteUint64(t.Bytes[off:], n) + return true +} + +// MutateInt8 updates a Int8 at the given offset. +func (t *Table) MutateInt8(off UOffsetT, n int8) bool { + WriteInt8(t.Bytes[off:], n) + return true +} + +// MutateInt16 updates a Int16 at the given offset. +func (t *Table) MutateInt16(off UOffsetT, n int16) bool { + WriteInt16(t.Bytes[off:], n) + return true +} + +// MutateInt32 updates a Int32 at the given offset. +func (t *Table) MutateInt32(off UOffsetT, n int32) bool { + WriteInt32(t.Bytes[off:], n) + return true +} + +// MutateInt64 updates a Int64 at the given offset. +func (t *Table) MutateInt64(off UOffsetT, n int64) bool { + WriteInt64(t.Bytes[off:], n) + return true +} + +// MutateFloat32 updates a Float32 at the given offset. +func (t *Table) MutateFloat32(off UOffsetT, n float32) bool { + WriteFloat32(t.Bytes[off:], n) + return true +} + +// MutateFloat64 updates a Float64 at the given offset. +func (t *Table) MutateFloat64(off UOffsetT, n float64) bool { + WriteFloat64(t.Bytes[off:], n) + return true +} + +// MutateUOffsetT updates a UOffsetT at the given offset. +func (t *Table) MutateUOffsetT(off UOffsetT, n UOffsetT) bool { + WriteUOffsetT(t.Bytes[off:], n) + return true +} + +// MutateVOffsetT updates a VOffsetT at the given offset. +func (t *Table) MutateVOffsetT(off UOffsetT, n VOffsetT) bool { + WriteVOffsetT(t.Bytes[off:], n) + return true +} + +// MutateSOffsetT updates a SOffsetT at the given offset. +func (t *Table) MutateSOffsetT(off UOffsetT, n SOffsetT) bool { + WriteSOffsetT(t.Bytes[off:], n) + return true +} + +// MutateBoolSlot updates the bool at given vtable location +func (t *Table) MutateBoolSlot(slot VOffsetT, n bool) bool { + if off := t.Offset(slot); off != 0 { + t.MutateBool(t.Pos+UOffsetT(off), n) + return true + } + + return false +} + +// MutateByteSlot updates the byte at given vtable location +func (t *Table) MutateByteSlot(slot VOffsetT, n byte) bool { + if off := t.Offset(slot); off != 0 { + t.MutateByte(t.Pos+UOffsetT(off), n) + return true + } + + return false +} + +// MutateInt8Slot updates the int8 at given vtable location +func (t *Table) MutateInt8Slot(slot VOffsetT, n int8) bool { + if off := t.Offset(slot); off != 0 { + t.MutateInt8(t.Pos+UOffsetT(off), n) + return true + } + + return false +} + +// MutateUint8Slot updates the uint8 at given vtable location +func (t *Table) MutateUint8Slot(slot VOffsetT, n uint8) bool { + if off := t.Offset(slot); off != 0 { + t.MutateUint8(t.Pos+UOffsetT(off), n) + return true + } + + return false +} + +// MutateInt16Slot updates the int16 at given vtable location +func (t *Table) MutateInt16Slot(slot VOffsetT, n int16) bool { + if off := t.Offset(slot); off != 0 { + t.MutateInt16(t.Pos+UOffsetT(off), n) + return true + } + + return false +} + +// MutateUint16Slot updates the uint16 at given vtable location +func (t *Table) MutateUint16Slot(slot VOffsetT, n uint16) bool { + if off := t.Offset(slot); off != 0 { + t.MutateUint16(t.Pos+UOffsetT(off), n) + return true + } + + return false +} + +// MutateInt32Slot updates the int32 at given vtable location +func (t *Table) MutateInt32Slot(slot VOffsetT, n int32) bool { + if off := t.Offset(slot); off != 0 { + t.MutateInt32(t.Pos+UOffsetT(off), n) + return true + } + + return false +} + +// MutateUint32Slot updates the uint32 at given vtable location +func (t *Table) MutateUint32Slot(slot VOffsetT, n uint32) bool { + if off := t.Offset(slot); off != 0 { + t.MutateUint32(t.Pos+UOffsetT(off), n) + return true + } + + return false +} + +// MutateInt64Slot updates the int64 at given vtable location +func (t *Table) MutateInt64Slot(slot VOffsetT, n int64) bool { + if off := t.Offset(slot); off != 0 { + t.MutateInt64(t.Pos+UOffsetT(off), n) + return true + } + + return false +} + +// MutateUint64Slot updates the uint64 at given vtable location +func (t *Table) MutateUint64Slot(slot VOffsetT, n uint64) bool { + if off := t.Offset(slot); off != 0 { + t.MutateUint64(t.Pos+UOffsetT(off), n) + return true + } + + return false +} + +// MutateFloat32Slot updates the float32 at given vtable location +func (t *Table) MutateFloat32Slot(slot VOffsetT, n float32) bool { + if off := t.Offset(slot); off != 0 { + t.MutateFloat32(t.Pos+UOffsetT(off), n) + return true + } + + return false +} + +// MutateFloat64Slot updates the float64 at given vtable location +func (t *Table) MutateFloat64Slot(slot VOffsetT, n float64) bool { + if off := t.Offset(slot); off != 0 { + t.MutateFloat64(t.Pos+UOffsetT(off), n) + return true + } + + return false +} diff --git a/vendor/modules.txt b/vendor/modules.txt index 4ba73a06c..39cb8eb38 100644 --- a/vendor/modules.txt +++ b/vendor/modules.txt @@ -341,6 +341,9 @@ github.com/golangci/revgrep # github.com/golangci/unconvert v0.0.0-20240309020433-c5143eacb3ed ## explicit; go 1.20 github.com/golangci/unconvert +# github.com/google/flatbuffers v24.3.25+incompatible +## explicit +github.com/google/flatbuffers/go # github.com/google/go-cmp v0.6.0 ## explicit; go 1.13 github.com/google/go-cmp/cmp |