mirror of
https://github.com/Luzifer/promcertcheck.git
synced 2024-11-09 00:10:06 +00:00
266 lines
9.1 KiB
Go
266 lines
9.1 KiB
Go
// 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
|
|
|
|
// 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_ExtMap(p structPointer, f field) *map[int32]Extension {
|
|
return (*map[int32]Extension)(unsafe.Pointer(uintptr(p) + uintptr(f)))
|
|
}
|
|
|
|
// Map returns the reflect.Value for the address of a map field in the struct.
|
|
func structPointer_Map(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)))
|
|
}
|