go.mod: add github.com/google/flatbuffers

1 files changed, 856 insertions, 0 deletions

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)
+}