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Diffstat (limited to 'reflect/protoreflect/value_unsafe.go')
-rw-r--r--reflect/protoreflect/value_unsafe.go99
1 files changed, 0 insertions, 99 deletions
diff --git a/reflect/protoreflect/value_unsafe.go b/reflect/protoreflect/value_unsafe.go
deleted file mode 100644
index 702ddf22..00000000
--- a/reflect/protoreflect/value_unsafe.go
+++ /dev/null
@@ -1,99 +0,0 @@
-// Copyright 2018 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.
-
-//go:build !purego && !appengine
-// +build !purego,!appengine
-
-package protoreflect
-
-import (
- "unsafe"
-
- "google.golang.org/protobuf/internal/pragma"
-)
-
-type (
- stringHeader struct {
- Data unsafe.Pointer
- Len int
- }
- sliceHeader struct {
- Data unsafe.Pointer
- Len int
- Cap int
- }
- ifaceHeader struct {
- Type unsafe.Pointer
- Data unsafe.Pointer
- }
-)
-
-var (
- nilType = typeOf(nil)
- boolType = typeOf(*new(bool))
- int32Type = typeOf(*new(int32))
- int64Type = typeOf(*new(int64))
- uint32Type = typeOf(*new(uint32))
- uint64Type = typeOf(*new(uint64))
- float32Type = typeOf(*new(float32))
- float64Type = typeOf(*new(float64))
- stringType = typeOf(*new(string))
- bytesType = typeOf(*new([]byte))
- enumType = typeOf(*new(EnumNumber))
-)
-
-// typeOf returns a pointer to the Go type information.
-// The pointer is comparable and equal if and only if the types are identical.
-func typeOf(t interface{}) unsafe.Pointer {
- return (*ifaceHeader)(unsafe.Pointer(&t)).Type
-}
-
-// value is a union where only one type can be represented at a time.
-// The struct is 24B large on 64-bit systems and requires the minimum storage
-// necessary to represent each possible type.
-//
-// The Go GC needs to be able to scan variables containing pointers.
-// As such, pointers and non-pointers cannot be intermixed.
-type value struct {
- pragma.DoNotCompare // 0B
-
- // typ stores the type of the value as a pointer to the Go type.
- typ unsafe.Pointer // 8B
-
- // ptr stores the data pointer for a String, Bytes, or interface value.
- ptr unsafe.Pointer // 8B
-
- // num stores a Bool, Int32, Int64, Uint32, Uint64, Float32, Float64, or
- // Enum value as a raw uint64.
- //
- // It is also used to store the length of a String or Bytes value;
- // the capacity is ignored.
- num uint64 // 8B
-}
-
-func valueOfString(v string) Value {
- p := (*stringHeader)(unsafe.Pointer(&v))
- return Value{typ: stringType, ptr: p.Data, num: uint64(len(v))}
-}
-func valueOfBytes(v []byte) Value {
- p := (*sliceHeader)(unsafe.Pointer(&v))
- return Value{typ: bytesType, ptr: p.Data, num: uint64(len(v))}
-}
-func valueOfIface(v interface{}) Value {
- p := (*ifaceHeader)(unsafe.Pointer(&v))
- return Value{typ: p.Type, ptr: p.Data}
-}
-
-func (v Value) getString() (x string) {
- *(*stringHeader)(unsafe.Pointer(&x)) = stringHeader{Data: v.ptr, Len: int(v.num)}
- return x
-}
-func (v Value) getBytes() (x []byte) {
- *(*sliceHeader)(unsafe.Pointer(&x)) = sliceHeader{Data: v.ptr, Len: int(v.num), Cap: int(v.num)}
- return x
-}
-func (v Value) getIface() (x interface{}) {
- *(*ifaceHeader)(unsafe.Pointer(&x)) = ifaceHeader{Type: v.typ, Data: v.ptr}
- return x
-}