+++ /dev/null
-// Go support for Protocol Buffers - Google's data interchange format
-//
-// Copyright 2012 The Go Authors. All rights reserved.
-// https://github.com/golang/protobuf
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-// * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-// * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-// * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-// +build !appengine,!js
-
-// This file contains the implementation of the proto field accesses using package unsafe.
-
-package proto
-
-import (
- "reflect"
- "unsafe"
-)
-
-// NOTE: These type_Foo functions would more idiomatically be methods,
-// but Go does not allow methods on pointer types, and we must preserve
-// some pointer type for the garbage collector. We use these
-// funcs with clunky names as our poor approximation to methods.
-//
-// An alternative would be
-// type structPointer struct { p unsafe.Pointer }
-// but that does not registerize as well.
-
-// A structPointer is a pointer to a struct.
-type structPointer unsafe.Pointer
-
-// toStructPointer returns a structPointer equivalent to the given reflect value.
-func toStructPointer(v reflect.Value) structPointer {
- return structPointer(unsafe.Pointer(v.Pointer()))
-}
-
-// IsNil reports whether p is nil.
-func structPointer_IsNil(p structPointer) bool {
- return p == nil
-}
-
-// Interface returns the struct pointer, assumed to have element type t,
-// as an interface value.
-func structPointer_Interface(p structPointer, t reflect.Type) interface{} {
- return reflect.NewAt(t, unsafe.Pointer(p)).Interface()
-}
-
-// A field identifies a field in a struct, accessible from a structPointer.
-// In this implementation, a field is identified by its byte offset from the start of the struct.
-type field uintptr
-
-// toField returns a field equivalent to the given reflect field.
-func toField(f *reflect.StructField) field {
- return field(f.Offset)
-}
-
-// invalidField is an invalid field identifier.
-const invalidField = ^field(0)
-
-// IsValid reports whether the field identifier is valid.
-func (f field) IsValid() bool {
- return f != ^field(0)
-}
-
-// Bytes returns the address of a []byte field in the struct.
-func structPointer_Bytes(p structPointer, f field) *[]byte {
- return (*[]byte)(unsafe.Pointer(uintptr(p) + uintptr(f)))
-}
-
-// BytesSlice returns the address of a [][]byte field in the struct.
-func structPointer_BytesSlice(p structPointer, f field) *[][]byte {
- return (*[][]byte)(unsafe.Pointer(uintptr(p) + uintptr(f)))
-}
-
-// Bool returns the address of a *bool field in the struct.
-func structPointer_Bool(p structPointer, f field) **bool {
- return (**bool)(unsafe.Pointer(uintptr(p) + uintptr(f)))
-}
-
-// BoolVal returns the address of a bool field in the struct.
-func structPointer_BoolVal(p structPointer, f field) *bool {
- return (*bool)(unsafe.Pointer(uintptr(p) + uintptr(f)))
-}
-
-// BoolSlice returns the address of a []bool field in the struct.
-func structPointer_BoolSlice(p structPointer, f field) *[]bool {
- return (*[]bool)(unsafe.Pointer(uintptr(p) + uintptr(f)))
-}
-
-// String returns the address of a *string field in the struct.
-func structPointer_String(p structPointer, f field) **string {
- return (**string)(unsafe.Pointer(uintptr(p) + uintptr(f)))
-}
-
-// StringVal returns the address of a string field in the struct.
-func structPointer_StringVal(p structPointer, f field) *string {
- return (*string)(unsafe.Pointer(uintptr(p) + uintptr(f)))
-}
-
-// StringSlice returns the address of a []string field in the struct.
-func structPointer_StringSlice(p structPointer, f field) *[]string {
- return (*[]string)(unsafe.Pointer(uintptr(p) + uintptr(f)))
-}
-
-// ExtMap returns the address of an extension map field in the struct.
-func structPointer_Extensions(p structPointer, f field) *XXX_InternalExtensions {
- return (*XXX_InternalExtensions)(unsafe.Pointer(uintptr(p) + uintptr(f)))
-}
-
-func structPointer_ExtMap(p structPointer, f field) *map[int32]Extension {
- return (*map[int32]Extension)(unsafe.Pointer(uintptr(p) + uintptr(f)))
-}
-
-// NewAt returns the reflect.Value for a pointer to a field in the struct.
-func structPointer_NewAt(p structPointer, f field, typ reflect.Type) reflect.Value {
- return reflect.NewAt(typ, unsafe.Pointer(uintptr(p)+uintptr(f)))
-}
-
-// SetStructPointer writes a *struct field in the struct.
-func structPointer_SetStructPointer(p structPointer, f field, q structPointer) {
- *(*structPointer)(unsafe.Pointer(uintptr(p) + uintptr(f))) = q
-}
-
-// GetStructPointer reads a *struct field in the struct.
-func structPointer_GetStructPointer(p structPointer, f field) structPointer {
- return *(*structPointer)(unsafe.Pointer(uintptr(p) + uintptr(f)))
-}
-
-// StructPointerSlice the address of a []*struct field in the struct.
-func structPointer_StructPointerSlice(p structPointer, f field) *structPointerSlice {
- return (*structPointerSlice)(unsafe.Pointer(uintptr(p) + uintptr(f)))
-}
-
-// A structPointerSlice represents a slice of pointers to structs (themselves submessages or groups).
-type structPointerSlice []structPointer
-
-func (v *structPointerSlice) Len() int { return len(*v) }
-func (v *structPointerSlice) Index(i int) structPointer { return (*v)[i] }
-func (v *structPointerSlice) Append(p structPointer) { *v = append(*v, p) }
-
-// A word32 is the address of a "pointer to 32-bit value" field.
-type word32 **uint32
-
-// IsNil reports whether *v is nil.
-func word32_IsNil(p word32) bool {
- return *p == nil
-}
-
-// Set sets *v to point at a newly allocated word set to x.
-func word32_Set(p word32, o *Buffer, x uint32) {
- if len(o.uint32s) == 0 {
- o.uint32s = make([]uint32, uint32PoolSize)
- }
- o.uint32s[0] = x
- *p = &o.uint32s[0]
- o.uint32s = o.uint32s[1:]
-}
-
-// Get gets the value pointed at by *v.
-func word32_Get(p word32) uint32 {
- return **p
-}
-
-// Word32 returns the address of a *int32, *uint32, *float32, or *enum field in the struct.
-func structPointer_Word32(p structPointer, f field) word32 {
- return word32((**uint32)(unsafe.Pointer(uintptr(p) + uintptr(f))))
-}
-
-// A word32Val is the address of a 32-bit value field.
-type word32Val *uint32
-
-// Set sets *p to x.
-func word32Val_Set(p word32Val, x uint32) {
- *p = x
-}
-
-// Get gets the value pointed at by p.
-func word32Val_Get(p word32Val) uint32 {
- return *p
-}
-
-// Word32Val returns the address of a *int32, *uint32, *float32, or *enum field in the struct.
-func structPointer_Word32Val(p structPointer, f field) word32Val {
- return word32Val((*uint32)(unsafe.Pointer(uintptr(p) + uintptr(f))))
-}
-
-// A word32Slice is a slice of 32-bit values.
-type word32Slice []uint32
-
-func (v *word32Slice) Append(x uint32) { *v = append(*v, x) }
-func (v *word32Slice) Len() int { return len(*v) }
-func (v *word32Slice) Index(i int) uint32 { return (*v)[i] }
-
-// Word32Slice returns the address of a []int32, []uint32, []float32, or []enum field in the struct.
-func structPointer_Word32Slice(p structPointer, f field) *word32Slice {
- return (*word32Slice)(unsafe.Pointer(uintptr(p) + uintptr(f)))
-}
-
-// word64 is like word32 but for 64-bit values.
-type word64 **uint64
-
-func word64_Set(p word64, o *Buffer, x uint64) {
- if len(o.uint64s) == 0 {
- o.uint64s = make([]uint64, uint64PoolSize)
- }
- o.uint64s[0] = x
- *p = &o.uint64s[0]
- o.uint64s = o.uint64s[1:]
-}
-
-func word64_IsNil(p word64) bool {
- return *p == nil
-}
-
-func word64_Get(p word64) uint64 {
- return **p
-}
-
-func structPointer_Word64(p structPointer, f field) word64 {
- return word64((**uint64)(unsafe.Pointer(uintptr(p) + uintptr(f))))
-}
-
-// word64Val is like word32Val but for 64-bit values.
-type word64Val *uint64
-
-func word64Val_Set(p word64Val, o *Buffer, x uint64) {
- *p = x
-}
-
-func word64Val_Get(p word64Val) uint64 {
- return *p
-}
-
-func structPointer_Word64Val(p structPointer, f field) word64Val {
- return word64Val((*uint64)(unsafe.Pointer(uintptr(p) + uintptr(f))))
-}
-
-// word64Slice is like word32Slice but for 64-bit values.
-type word64Slice []uint64
-
-func (v *word64Slice) Append(x uint64) { *v = append(*v, x) }
-func (v *word64Slice) Len() int { return len(*v) }
-func (v *word64Slice) Index(i int) uint64 { return (*v)[i] }
-
-func structPointer_Word64Slice(p structPointer, f field) *word64Slice {
- return (*word64Slice)(unsafe.Pointer(uintptr(p) + uintptr(f)))
-}
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