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authorMichael Muré <batolettre@gmail.com>2020-02-05 22:03:19 +0100
committerMichael Muré <batolettre@gmail.com>2020-02-05 22:33:03 +0100
commit1d4bb7ceb0cef79d68df0bacc913b01e40e6ddd6 (patch)
treee088b0fa43058afde1db71541d8fcb4b94905d6e /vendor/github.com/golang/protobuf/proto/pointer_unsafe.go
parentf093be96e98284580d61664adecd0a2ff8b354e4 (diff)
downloadgit-bug-1d4bb7ceb0cef79d68df0bacc913b01e40e6ddd6.tar.gz
migrate to go modules
Diffstat (limited to 'vendor/github.com/golang/protobuf/proto/pointer_unsafe.go')
-rw-r--r--vendor/github.com/golang/protobuf/proto/pointer_unsafe.go308
1 files changed, 0 insertions, 308 deletions
diff --git a/vendor/github.com/golang/protobuf/proto/pointer_unsafe.go b/vendor/github.com/golang/protobuf/proto/pointer_unsafe.go
deleted file mode 100644
index d55a335d..00000000
--- a/vendor/github.com/golang/protobuf/proto/pointer_unsafe.go
+++ /dev/null
@@ -1,308 +0,0 @@
-// 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 !purego,!appengine,!js
-
-// This file contains the implementation of the proto field accesses using package unsafe.
-
-package proto
-
-import (
- "reflect"
- "sync/atomic"
- "unsafe"
-)
-
-const unsafeAllowed = true
-
-// A field identifies a field in a struct, accessible from a pointer.
-// In this implementation, a field is identified by its byte offset from the start of the struct.
-type field uintptr
-
-// 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)
-
-// zeroField is a noop when calling pointer.offset.
-const zeroField = field(0)
-
-// IsValid reports whether the field identifier is valid.
-func (f field) IsValid() bool {
- return f != invalidField
-}
-
-// The pointer type below is for the new table-driven encoder/decoder.
-// The implementation here uses unsafe.Pointer to create a generic pointer.
-// In pointer_reflect.go we use reflect instead of unsafe to implement
-// the same (but slower) interface.
-type pointer struct {
- p unsafe.Pointer
-}
-
-// size of pointer
-var ptrSize = unsafe.Sizeof(uintptr(0))
-
-// toPointer converts an interface of pointer type to a pointer
-// that points to the same target.
-func toPointer(i *Message) pointer {
- // Super-tricky - read pointer out of data word of interface value.
- // Saves ~25ns over the equivalent:
- // return valToPointer(reflect.ValueOf(*i))
- return pointer{p: (*[2]unsafe.Pointer)(unsafe.Pointer(i))[1]}
-}
-
-// toAddrPointer converts an interface to a pointer that points to
-// the interface data.
-func toAddrPointer(i *interface{}, isptr bool) pointer {
- // Super-tricky - read or get the address of data word of interface value.
- if isptr {
- // The interface is of pointer type, thus it is a direct interface.
- // The data word is the pointer data itself. We take its address.
- return pointer{p: unsafe.Pointer(uintptr(unsafe.Pointer(i)) + ptrSize)}
- }
- // The interface is not of pointer type. The data word is the pointer
- // to the data.
- return pointer{p: (*[2]unsafe.Pointer)(unsafe.Pointer(i))[1]}
-}
-
-// valToPointer converts v to a pointer. v must be of pointer type.
-func valToPointer(v reflect.Value) pointer {
- return pointer{p: unsafe.Pointer(v.Pointer())}
-}
-
-// offset converts from a pointer to a structure to a pointer to
-// one of its fields.
-func (p pointer) offset(f field) pointer {
- // For safety, we should panic if !f.IsValid, however calling panic causes
- // this to no longer be inlineable, which is a serious performance cost.
- /*
- if !f.IsValid() {
- panic("invalid field")
- }
- */
- return pointer{p: unsafe.Pointer(uintptr(p.p) + uintptr(f))}
-}
-
-func (p pointer) isNil() bool {
- return p.p == nil
-}
-
-func (p pointer) toInt64() *int64 {
- return (*int64)(p.p)
-}
-func (p pointer) toInt64Ptr() **int64 {
- return (**int64)(p.p)
-}
-func (p pointer) toInt64Slice() *[]int64 {
- return (*[]int64)(p.p)
-}
-func (p pointer) toInt32() *int32 {
- return (*int32)(p.p)
-}
-
-// See pointer_reflect.go for why toInt32Ptr/Slice doesn't exist.
-/*
- func (p pointer) toInt32Ptr() **int32 {
- return (**int32)(p.p)
- }
- func (p pointer) toInt32Slice() *[]int32 {
- return (*[]int32)(p.p)
- }
-*/
-func (p pointer) getInt32Ptr() *int32 {
- return *(**int32)(p.p)
-}
-func (p pointer) setInt32Ptr(v int32) {
- *(**int32)(p.p) = &v
-}
-
-// getInt32Slice loads a []int32 from p.
-// The value returned is aliased with the original slice.
-// This behavior differs from the implementation in pointer_reflect.go.
-func (p pointer) getInt32Slice() []int32 {
- return *(*[]int32)(p.p)
-}
-
-// setInt32Slice stores a []int32 to p.
-// The value set is aliased with the input slice.
-// This behavior differs from the implementation in pointer_reflect.go.
-func (p pointer) setInt32Slice(v []int32) {
- *(*[]int32)(p.p) = v
-}
-
-// TODO: Can we get rid of appendInt32Slice and use setInt32Slice instead?
-func (p pointer) appendInt32Slice(v int32) {
- s := (*[]int32)(p.p)
- *s = append(*s, v)
-}
-
-func (p pointer) toUint64() *uint64 {
- return (*uint64)(p.p)
-}
-func (p pointer) toUint64Ptr() **uint64 {
- return (**uint64)(p.p)
-}
-func (p pointer) toUint64Slice() *[]uint64 {
- return (*[]uint64)(p.p)
-}
-func (p pointer) toUint32() *uint32 {
- return (*uint32)(p.p)
-}
-func (p pointer) toUint32Ptr() **uint32 {
- return (**uint32)(p.p)
-}
-func (p pointer) toUint32Slice() *[]uint32 {
- return (*[]uint32)(p.p)
-}
-func (p pointer) toBool() *bool {
- return (*bool)(p.p)
-}
-func (p pointer) toBoolPtr() **bool {
- return (**bool)(p.p)
-}
-func (p pointer) toBoolSlice() *[]bool {
- return (*[]bool)(p.p)
-}
-func (p pointer) toFloat64() *float64 {
- return (*float64)(p.p)
-}
-func (p pointer) toFloat64Ptr() **float64 {
- return (**float64)(p.p)
-}
-func (p pointer) toFloat64Slice() *[]float64 {
- return (*[]float64)(p.p)
-}
-func (p pointer) toFloat32() *float32 {
- return (*float32)(p.p)
-}
-func (p pointer) toFloat32Ptr() **float32 {
- return (**float32)(p.p)
-}
-func (p pointer) toFloat32Slice() *[]float32 {
- return (*[]float32)(p.p)
-}
-func (p pointer) toString() *string {
- return (*string)(p.p)
-}
-func (p pointer) toStringPtr() **string {
- return (**string)(p.p)
-}
-func (p pointer) toStringSlice() *[]string {
- return (*[]string)(p.p)
-}
-func (p pointer) toBytes() *[]byte {
- return (*[]byte)(p.p)
-}
-func (p pointer) toBytesSlice() *[][]byte {
- return (*[][]byte)(p.p)
-}
-func (p pointer) toExtensions() *XXX_InternalExtensions {
- return (*XXX_InternalExtensions)(p.p)
-}
-func (p pointer) toOldExtensions() *map[int32]Extension {
- return (*map[int32]Extension)(p.p)
-}
-
-// getPointerSlice loads []*T from p as a []pointer.
-// The value returned is aliased with the original slice.
-// This behavior differs from the implementation in pointer_reflect.go.
-func (p pointer) getPointerSlice() []pointer {
- // Super-tricky - p should point to a []*T where T is a
- // message type. We load it as []pointer.
- return *(*[]pointer)(p.p)
-}
-
-// setPointerSlice stores []pointer into p as a []*T.
-// The value set is aliased with the input slice.
-// This behavior differs from the implementation in pointer_reflect.go.
-func (p pointer) setPointerSlice(v []pointer) {
- // Super-tricky - p should point to a []*T where T is a
- // message type. We store it as []pointer.
- *(*[]pointer)(p.p) = v
-}
-
-// getPointer loads the pointer at p and returns it.
-func (p pointer) getPointer() pointer {
- return pointer{p: *(*unsafe.Pointer)(p.p)}
-}
-
-// setPointer stores the pointer q at p.
-func (p pointer) setPointer(q pointer) {
- *(*unsafe.Pointer)(p.p) = q.p
-}
-
-// append q to the slice pointed to by p.
-func (p pointer) appendPointer(q pointer) {
- s := (*[]unsafe.Pointer)(p.p)
- *s = append(*s, q.p)
-}
-
-// getInterfacePointer returns a pointer that points to the
-// interface data of the interface pointed by p.
-func (p pointer) getInterfacePointer() pointer {
- // Super-tricky - read pointer out of data word of interface value.
- return pointer{p: (*(*[2]unsafe.Pointer)(p.p))[1]}
-}
-
-// asPointerTo returns a reflect.Value that is a pointer to an
-// object of type t stored at p.
-func (p pointer) asPointerTo(t reflect.Type) reflect.Value {
- return reflect.NewAt(t, p.p)
-}
-
-func atomicLoadUnmarshalInfo(p **unmarshalInfo) *unmarshalInfo {
- return (*unmarshalInfo)(atomic.LoadPointer((*unsafe.Pointer)(unsafe.Pointer(p))))
-}
-func atomicStoreUnmarshalInfo(p **unmarshalInfo, v *unmarshalInfo) {
- atomic.StorePointer((*unsafe.Pointer)(unsafe.Pointer(p)), unsafe.Pointer(v))
-}
-func atomicLoadMarshalInfo(p **marshalInfo) *marshalInfo {
- return (*marshalInfo)(atomic.LoadPointer((*unsafe.Pointer)(unsafe.Pointer(p))))
-}
-func atomicStoreMarshalInfo(p **marshalInfo, v *marshalInfo) {
- atomic.StorePointer((*unsafe.Pointer)(unsafe.Pointer(p)), unsafe.Pointer(v))
-}
-func atomicLoadMergeInfo(p **mergeInfo) *mergeInfo {
- return (*mergeInfo)(atomic.LoadPointer((*unsafe.Pointer)(unsafe.Pointer(p))))
-}
-func atomicStoreMergeInfo(p **mergeInfo, v *mergeInfo) {
- atomic.StorePointer((*unsafe.Pointer)(unsafe.Pointer(p)), unsafe.Pointer(v))
-}
-func atomicLoadDiscardInfo(p **discardInfo) *discardInfo {
- return (*discardInfo)(atomic.LoadPointer((*unsafe.Pointer)(unsafe.Pointer(p))))
-}
-func atomicStoreDiscardInfo(p **discardInfo, v *discardInfo) {
- atomic.StorePointer((*unsafe.Pointer)(unsafe.Pointer(p)), unsafe.Pointer(v))
-}