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authorLibravatar Terin Stock <terinjokes@gmail.com>2025-03-09 17:47:56 +0100
committerLibravatar Terin Stock <terinjokes@gmail.com>2025-03-10 01:59:49 +0100
commit3ac1ee16f377d31a0fb80c8dae28b6239ac4229e (patch)
treef61faa581feaaeaba2542b9f2b8234a590684413 /vendor/google.golang.org/protobuf/internal/impl/message.go
parent[chore] update URLs to forked source (diff)
downloadgotosocial-3ac1ee16f377d31a0fb80c8dae28b6239ac4229e.tar.xz
[chore] remove vendor
Diffstat (limited to 'vendor/google.golang.org/protobuf/internal/impl/message.go')
-rw-r--r--vendor/google.golang.org/protobuf/internal/impl/message.go296
1 files changed, 0 insertions, 296 deletions
diff --git a/vendor/google.golang.org/protobuf/internal/impl/message.go b/vendor/google.golang.org/protobuf/internal/impl/message.go
deleted file mode 100644
index d1f79b422..000000000
--- a/vendor/google.golang.org/protobuf/internal/impl/message.go
+++ /dev/null
@@ -1,296 +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.
-
-package impl
-
-import (
- "fmt"
- "reflect"
- "strconv"
- "strings"
- "sync"
- "sync/atomic"
-
- "google.golang.org/protobuf/internal/genid"
- "google.golang.org/protobuf/reflect/protoreflect"
- "google.golang.org/protobuf/reflect/protoregistry"
-)
-
-// MessageInfo provides protobuf related functionality for a given Go type
-// that represents a message. A given instance of MessageInfo is tied to
-// exactly one Go type, which must be a pointer to a struct type.
-//
-// The exported fields must be populated before any methods are called
-// and cannot be mutated after set.
-type MessageInfo struct {
- // GoReflectType is the underlying message Go type and must be populated.
- GoReflectType reflect.Type // pointer to struct
-
- // Desc is the underlying message descriptor type and must be populated.
- Desc protoreflect.MessageDescriptor
-
- // Deprecated: Exporter will be removed the next time we bump
- // protoimpl.GenVersion. See https://github.com/golang/protobuf/issues/1640
- Exporter exporter
-
- // OneofWrappers is list of pointers to oneof wrapper struct types.
- OneofWrappers []any
-
- initMu sync.Mutex // protects all unexported fields
- initDone uint32
-
- reflectMessageInfo // for reflection implementation
- coderMessageInfo // for fast-path method implementations
-}
-
-// exporter is a function that returns a reference to the ith field of v,
-// where v is a pointer to a struct. It returns nil if it does not support
-// exporting the requested field (e.g., already exported).
-type exporter func(v any, i int) any
-
-// getMessageInfo returns the MessageInfo for any message type that
-// is generated by our implementation of protoc-gen-go (for v2 and on).
-// If it is unable to obtain a MessageInfo, it returns nil.
-func getMessageInfo(mt reflect.Type) *MessageInfo {
- m, ok := reflect.Zero(mt).Interface().(protoreflect.ProtoMessage)
- if !ok {
- return nil
- }
- mr, ok := m.ProtoReflect().(interface{ ProtoMessageInfo() *MessageInfo })
- if !ok {
- return nil
- }
- return mr.ProtoMessageInfo()
-}
-
-func (mi *MessageInfo) init() {
- // This function is called in the hot path. Inline the sync.Once logic,
- // since allocating a closure for Once.Do is expensive.
- // Keep init small to ensure that it can be inlined.
- if atomic.LoadUint32(&mi.initDone) == 0 {
- mi.initOnce()
- }
-}
-
-func (mi *MessageInfo) initOnce() {
- mi.initMu.Lock()
- defer mi.initMu.Unlock()
- if mi.initDone == 1 {
- return
- }
- if opaqueInitHook(mi) {
- return
- }
-
- t := mi.GoReflectType
- if t.Kind() != reflect.Ptr && t.Elem().Kind() != reflect.Struct {
- panic(fmt.Sprintf("got %v, want *struct kind", t))
- }
- t = t.Elem()
-
- si := mi.makeStructInfo(t)
- mi.makeReflectFuncs(t, si)
- mi.makeCoderMethods(t, si)
-
- atomic.StoreUint32(&mi.initDone, 1)
-}
-
-// getPointer returns the pointer for a message, which should be of
-// the type of the MessageInfo. If the message is of a different type,
-// it returns ok==false.
-func (mi *MessageInfo) getPointer(m protoreflect.Message) (p pointer, ok bool) {
- switch m := m.(type) {
- case *messageState:
- return m.pointer(), m.messageInfo() == mi
- case *messageReflectWrapper:
- return m.pointer(), m.messageInfo() == mi
- }
- return pointer{}, false
-}
-
-type (
- SizeCache = int32
- WeakFields = map[int32]protoreflect.ProtoMessage
- UnknownFields = unknownFieldsA // TODO: switch to unknownFieldsB
- unknownFieldsA = []byte
- unknownFieldsB = *[]byte
- ExtensionFields = map[int32]ExtensionField
-)
-
-var (
- sizecacheType = reflect.TypeOf(SizeCache(0))
- weakFieldsType = reflect.TypeOf(WeakFields(nil))
- unknownFieldsAType = reflect.TypeOf(unknownFieldsA(nil))
- unknownFieldsBType = reflect.TypeOf(unknownFieldsB(nil))
- extensionFieldsType = reflect.TypeOf(ExtensionFields(nil))
-)
-
-type structInfo struct {
- sizecacheOffset offset
- sizecacheType reflect.Type
- weakOffset offset
- weakType reflect.Type
- unknownOffset offset
- unknownType reflect.Type
- extensionOffset offset
- extensionType reflect.Type
-
- lazyOffset offset
- presenceOffset offset
-
- fieldsByNumber map[protoreflect.FieldNumber]reflect.StructField
- oneofsByName map[protoreflect.Name]reflect.StructField
- oneofWrappersByType map[reflect.Type]protoreflect.FieldNumber
- oneofWrappersByNumber map[protoreflect.FieldNumber]reflect.Type
-}
-
-func (mi *MessageInfo) makeStructInfo(t reflect.Type) structInfo {
- si := structInfo{
- sizecacheOffset: invalidOffset,
- weakOffset: invalidOffset,
- unknownOffset: invalidOffset,
- extensionOffset: invalidOffset,
- lazyOffset: invalidOffset,
- presenceOffset: invalidOffset,
-
- fieldsByNumber: map[protoreflect.FieldNumber]reflect.StructField{},
- oneofsByName: map[protoreflect.Name]reflect.StructField{},
- oneofWrappersByType: map[reflect.Type]protoreflect.FieldNumber{},
- oneofWrappersByNumber: map[protoreflect.FieldNumber]reflect.Type{},
- }
-
-fieldLoop:
- for i := 0; i < t.NumField(); i++ {
- switch f := t.Field(i); f.Name {
- case genid.SizeCache_goname, genid.SizeCacheA_goname:
- if f.Type == sizecacheType {
- si.sizecacheOffset = offsetOf(f)
- si.sizecacheType = f.Type
- }
- case genid.WeakFields_goname, genid.WeakFieldsA_goname:
- if f.Type == weakFieldsType {
- si.weakOffset = offsetOf(f)
- si.weakType = f.Type
- }
- case genid.UnknownFields_goname, genid.UnknownFieldsA_goname:
- if f.Type == unknownFieldsAType || f.Type == unknownFieldsBType {
- si.unknownOffset = offsetOf(f)
- si.unknownType = f.Type
- }
- case genid.ExtensionFields_goname, genid.ExtensionFieldsA_goname, genid.ExtensionFieldsB_goname:
- if f.Type == extensionFieldsType {
- si.extensionOffset = offsetOf(f)
- si.extensionType = f.Type
- }
- case "lazyFields", "XXX_lazyUnmarshalInfo":
- si.lazyOffset = offsetOf(f)
- case "XXX_presence":
- si.presenceOffset = offsetOf(f)
- default:
- for _, s := range strings.Split(f.Tag.Get("protobuf"), ",") {
- if len(s) > 0 && strings.Trim(s, "0123456789") == "" {
- n, _ := strconv.ParseUint(s, 10, 64)
- si.fieldsByNumber[protoreflect.FieldNumber(n)] = f
- continue fieldLoop
- }
- }
- if s := f.Tag.Get("protobuf_oneof"); len(s) > 0 {
- si.oneofsByName[protoreflect.Name(s)] = f
- continue fieldLoop
- }
- }
- }
-
- // Derive a mapping of oneof wrappers to fields.
- oneofWrappers := mi.OneofWrappers
- methods := make([]reflect.Method, 0, 2)
- if m, ok := reflect.PtrTo(t).MethodByName("XXX_OneofFuncs"); ok {
- methods = append(methods, m)
- }
- if m, ok := reflect.PtrTo(t).MethodByName("XXX_OneofWrappers"); ok {
- methods = append(methods, m)
- }
- for _, fn := range methods {
- for _, v := range fn.Func.Call([]reflect.Value{reflect.Zero(fn.Type.In(0))}) {
- if vs, ok := v.Interface().([]any); ok {
- oneofWrappers = vs
- }
- }
- }
- for _, v := range oneofWrappers {
- tf := reflect.TypeOf(v).Elem()
- f := tf.Field(0)
- for _, s := range strings.Split(f.Tag.Get("protobuf"), ",") {
- if len(s) > 0 && strings.Trim(s, "0123456789") == "" {
- n, _ := strconv.ParseUint(s, 10, 64)
- si.oneofWrappersByType[tf] = protoreflect.FieldNumber(n)
- si.oneofWrappersByNumber[protoreflect.FieldNumber(n)] = tf
- break
- }
- }
- }
-
- return si
-}
-
-func (mi *MessageInfo) New() protoreflect.Message {
- m := reflect.New(mi.GoReflectType.Elem()).Interface()
- if r, ok := m.(protoreflect.ProtoMessage); ok {
- return r.ProtoReflect()
- }
- return mi.MessageOf(m)
-}
-func (mi *MessageInfo) Zero() protoreflect.Message {
- return mi.MessageOf(reflect.Zero(mi.GoReflectType).Interface())
-}
-func (mi *MessageInfo) Descriptor() protoreflect.MessageDescriptor {
- return mi.Desc
-}
-func (mi *MessageInfo) Enum(i int) protoreflect.EnumType {
- mi.init()
- fd := mi.Desc.Fields().Get(i)
- return Export{}.EnumTypeOf(mi.fieldTypes[fd.Number()])
-}
-func (mi *MessageInfo) Message(i int) protoreflect.MessageType {
- mi.init()
- fd := mi.Desc.Fields().Get(i)
- switch {
- case fd.IsWeak():
- mt, _ := protoregistry.GlobalTypes.FindMessageByName(fd.Message().FullName())
- return mt
- case fd.IsMap():
- return mapEntryType{fd.Message(), mi.fieldTypes[fd.Number()]}
- default:
- return Export{}.MessageTypeOf(mi.fieldTypes[fd.Number()])
- }
-}
-
-type mapEntryType struct {
- desc protoreflect.MessageDescriptor
- valType any // zero value of enum or message type
-}
-
-func (mt mapEntryType) New() protoreflect.Message {
- return nil
-}
-func (mt mapEntryType) Zero() protoreflect.Message {
- return nil
-}
-func (mt mapEntryType) Descriptor() protoreflect.MessageDescriptor {
- return mt.desc
-}
-func (mt mapEntryType) Enum(i int) protoreflect.EnumType {
- fd := mt.desc.Fields().Get(i)
- if fd.Enum() == nil {
- return nil
- }
- return Export{}.EnumTypeOf(mt.valType)
-}
-func (mt mapEntryType) Message(i int) protoreflect.MessageType {
- fd := mt.desc.Fields().Get(i)
- if fd.Message() == nil {
- return nil
- }
- return Export{}.MessageTypeOf(mt.valType)
-}