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Unified Diff: third_party/go/src/golang.org/x/mobile/bind/seq/buffer.go

Issue 1275153002: Remove third_party/golang.org/x/mobile as it is no longer used with Go 1.5. (Closed) Base URL: https://github.com/domokit/mojo.git@master
Patch Set: Remove golang.org/x/mobile Created 5 years, 4 months ago
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Index: third_party/go/src/golang.org/x/mobile/bind/seq/buffer.go
diff --git a/third_party/go/src/golang.org/x/mobile/bind/seq/buffer.go b/third_party/go/src/golang.org/x/mobile/bind/seq/buffer.go
deleted file mode 100644
index 462ed77766f423d0ac41bd651f57874109bc876e..0000000000000000000000000000000000000000
--- a/third_party/go/src/golang.org/x/mobile/bind/seq/buffer.go
+++ /dev/null
@@ -1,209 +0,0 @@
-// Copyright 2014 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 seq
-
-import (
- "bytes"
- "fmt"
- "runtime"
- "unsafe"
-)
-
-// Buffer is a set of arguments or return values from a function call
-// across the language boundary. Encoding is machine-dependent.
-type Buffer struct {
- Data []byte
- Offset int // position of next read/write from Data
-}
-
-func (b *Buffer) String() string {
- // Debugging.
- var buf bytes.Buffer
- fmt.Fprintf(&buf, "seq{Off=%d, Len=%d Data=", b.Offset, len(b.Data))
- const hextable = "0123456789abcdef"
- for i, v := range b.Data {
- if i > 0 {
- buf.WriteByte(':')
- }
- buf.WriteByte(hextable[v>>4])
- buf.WriteByte(hextable[v&0x0f])
- }
- buf.WriteByte('}')
- return buf.String()
-}
-
-func (b *Buffer) panic(need int) {
- panic(fmt.Sprintf("need %d bytes: %s", need, b))
-}
-
-func (b *Buffer) grow(need int) {
- size := len(b.Data)
- if size == 0 {
- size = 2
- }
- for size < need {
- size *= 2
- }
- data := make([]byte, size+len(b.Data))
- copy(data, b.Data[:b.Offset])
- b.Data = data
-}
-
-// align returns the aligned offset.
-func align(offset, alignment int) int {
- pad := offset % alignment
- if pad > 0 {
- pad = alignment - pad
- }
- return pad + offset
-}
-
-func (b *Buffer) ReadInt32() int32 {
- offset := align(b.Offset, 4)
- if len(b.Data)-offset < 4 {
- b.panic(4)
- }
- v := *(*int32)(unsafe.Pointer(&b.Data[offset]))
- b.Offset = offset + 4
- return v
-}
-
-func (b *Buffer) ReadInt64() int64 {
- offset := align(b.Offset, 8)
- if len(b.Data)-offset < 8 {
- b.panic(8)
- }
- v := *(*int64)(unsafe.Pointer(&b.Data[offset]))
- b.Offset = offset + 8
- return v
-}
-
-// TODO(hyangah): int8, int16?
-
-func (b *Buffer) ReadInt() int {
- return int(b.ReadInt64())
-}
-
-func (b *Buffer) ReadFloat32() float32 {
- offset := align(b.Offset, 4)
- if len(b.Data)-offset < 4 {
- b.panic(4)
- }
- v := *(*float32)(unsafe.Pointer(&b.Data[offset]))
- b.Offset = offset + 4
- return v
-}
-
-func (b *Buffer) ReadFloat64() float64 {
- offset := align(b.Offset, 8)
- if len(b.Data)-offset < 8 {
- b.panic(8)
- }
- v := *(*float64)(unsafe.Pointer(&b.Data[offset]))
- b.Offset = offset + 8
- return v
-}
-
-func (b *Buffer) ReadByteArray() []byte {
- sz := b.ReadInt64()
- if sz == 0 {
- return nil
- }
-
- ptr := b.ReadInt64()
- org := (*[1 << 30]byte)(unsafe.Pointer(uintptr(ptr)))[:sz]
-
- // Make a copy managed by Go, so the returned byte array can be
- // used safely in Go.
- slice := make([]byte, sz)
- copy(slice, org)
- return slice
-}
-
-func (b *Buffer) ReadRef() *Ref {
- ref := &Ref{b.ReadInt32()}
- if ref.Num > 0 {
- // This is a foreign object reference.
- // Track its lifetime with a finalizer.
- runtime.SetFinalizer(ref, FinalizeRef)
- }
- return ref
-}
-
-func (b *Buffer) WriteInt32(v int32) {
- offset := align(b.Offset, 4)
- if len(b.Data)-offset < 4 {
- b.grow(offset + 4 - len(b.Data))
- }
- *(*int32)(unsafe.Pointer(&b.Data[offset])) = v
- b.Offset = offset + 4
-}
-
-func (b *Buffer) WriteInt64(v int64) {
- offset := align(b.Offset, 8)
- if len(b.Data)-offset < 8 {
- b.grow(offset + 8 - len(b.Data))
- }
- *(*int64)(unsafe.Pointer(&b.Data[offset])) = v
- b.Offset = offset + 8
-}
-
-func (b *Buffer) WriteInt(v int) {
- b.WriteInt64(int64(v))
-}
-
-func (b *Buffer) WriteFloat32(v float32) {
- offset := align(b.Offset, 4)
- if len(b.Data)-offset < 4 {
- b.grow(offset + 4 - len(b.Data))
- }
- *(*float32)(unsafe.Pointer(&b.Data[offset])) = v
- b.Offset = offset + 4
-}
-
-func (b *Buffer) WriteFloat64(v float64) {
- offset := align(b.Offset, 8)
- if len(b.Data)-offset < 8 {
- b.grow(offset + 8 - len(b.Data))
- }
- *(*float64)(unsafe.Pointer(&b.Data[offset])) = v
- b.Offset = offset + 8
-}
-
-func (b *Buffer) WriteByteArray(byt []byte) {
- sz := len(byt)
- if sz == 0 {
- b.WriteInt64(int64(sz))
- return
- }
-
- ptr := uintptr(unsafe.Pointer(&byt[0]))
- b.WriteInt64(int64(sz))
- b.WriteInt64(int64(ptr))
- return
-}
-
-func (b *Buffer) WriteGoRef(obj interface{}) {
- refs.Lock()
- num := refs.refs[obj]
- if num == 0 {
- num = refs.next
- refs.next--
- if refs.next > 0 {
- panic("refs.next underflow")
- }
- refs.refs[obj] = num
- refs.objs[num] = obj
- }
- refs.Unlock()
-
- b.WriteInt32(int32(num))
-}
-
-/* TODO: Will we need it?
-func (b *Buffer) WriteRef(ref *Ref) {
- b.WriteInt32(ref.Num)
-}
-*/
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