forked from github/multus-cni
[deps] Update grpc for CVE-2019-9511 https://nvd.nist.gov/vuln/detail/CVE-2019-9511
This commit is contained in:
dougbtv
253
vendor/github.com/golang/protobuf/proto/clone.go
generated
vendored
Normal file
253
vendor/github.com/golang/protobuf/proto/clone.go
generated
vendored
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@@ -0,0 +1,253 @@
|
||||
// Go support for Protocol Buffers - Google's data interchange format
|
||||
//
|
||||
// Copyright 2011 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.
|
||||
|
||||
// Protocol buffer deep copy and merge.
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// TODO: RawMessage.
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package proto
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import (
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"fmt"
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"log"
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"reflect"
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"strings"
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)
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// Clone returns a deep copy of a protocol buffer.
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func Clone(src Message) Message {
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in := reflect.ValueOf(src)
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if in.IsNil() {
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return src
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}
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out := reflect.New(in.Type().Elem())
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dst := out.Interface().(Message)
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Merge(dst, src)
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return dst
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}
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// Merger is the interface representing objects that can merge messages of the same type.
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type Merger interface {
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// Merge merges src into this message.
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// Required and optional fields that are set in src will be set to that value in dst.
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||||
// Elements of repeated fields will be appended.
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//
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// Merge may panic if called with a different argument type than the receiver.
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Merge(src Message)
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}
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// generatedMerger is the custom merge method that generated protos will have.
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// We must add this method since a generate Merge method will conflict with
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// many existing protos that have a Merge data field already defined.
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type generatedMerger interface {
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XXX_Merge(src Message)
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}
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|
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// Merge merges src into dst.
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// Required and optional fields that are set in src will be set to that value in dst.
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// Elements of repeated fields will be appended.
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// Merge panics if src and dst are not the same type, or if dst is nil.
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func Merge(dst, src Message) {
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if m, ok := dst.(Merger); ok {
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m.Merge(src)
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return
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}
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in := reflect.ValueOf(src)
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out := reflect.ValueOf(dst)
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if out.IsNil() {
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panic("proto: nil destination")
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}
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if in.Type() != out.Type() {
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panic(fmt.Sprintf("proto.Merge(%T, %T) type mismatch", dst, src))
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}
|
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if in.IsNil() {
|
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return // Merge from nil src is a noop
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}
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if m, ok := dst.(generatedMerger); ok {
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m.XXX_Merge(src)
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return
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}
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mergeStruct(out.Elem(), in.Elem())
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}
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func mergeStruct(out, in reflect.Value) {
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sprop := GetProperties(in.Type())
|
||||
for i := 0; i < in.NumField(); i++ {
|
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f := in.Type().Field(i)
|
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if strings.HasPrefix(f.Name, "XXX_") {
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continue
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}
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mergeAny(out.Field(i), in.Field(i), false, sprop.Prop[i])
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}
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if emIn, err := extendable(in.Addr().Interface()); err == nil {
|
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emOut, _ := extendable(out.Addr().Interface())
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mIn, muIn := emIn.extensionsRead()
|
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if mIn != nil {
|
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mOut := emOut.extensionsWrite()
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muIn.Lock()
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mergeExtension(mOut, mIn)
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muIn.Unlock()
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}
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}
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uf := in.FieldByName("XXX_unrecognized")
|
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if !uf.IsValid() {
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||||
return
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}
|
||||
uin := uf.Bytes()
|
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if len(uin) > 0 {
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out.FieldByName("XXX_unrecognized").SetBytes(append([]byte(nil), uin...))
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}
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}
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// mergeAny performs a merge between two values of the same type.
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// viaPtr indicates whether the values were indirected through a pointer (implying proto2).
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// prop is set if this is a struct field (it may be nil).
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func mergeAny(out, in reflect.Value, viaPtr bool, prop *Properties) {
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if in.Type() == protoMessageType {
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if !in.IsNil() {
|
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if out.IsNil() {
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out.Set(reflect.ValueOf(Clone(in.Interface().(Message))))
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} else {
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Merge(out.Interface().(Message), in.Interface().(Message))
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}
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}
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return
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}
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switch in.Kind() {
|
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case reflect.Bool, reflect.Float32, reflect.Float64, reflect.Int32, reflect.Int64,
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reflect.String, reflect.Uint32, reflect.Uint64:
|
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if !viaPtr && isProto3Zero(in) {
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return
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}
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out.Set(in)
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case reflect.Interface:
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// Probably a oneof field; copy non-nil values.
|
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if in.IsNil() {
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return
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}
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// Allocate destination if it is not set, or set to a different type.
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// Otherwise we will merge as normal.
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if out.IsNil() || out.Elem().Type() != in.Elem().Type() {
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out.Set(reflect.New(in.Elem().Elem().Type())) // interface -> *T -> T -> new(T)
|
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}
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mergeAny(out.Elem(), in.Elem(), false, nil)
|
||||
case reflect.Map:
|
||||
if in.Len() == 0 {
|
||||
return
|
||||
}
|
||||
if out.IsNil() {
|
||||
out.Set(reflect.MakeMap(in.Type()))
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||||
}
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// For maps with value types of *T or []byte we need to deep copy each value.
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elemKind := in.Type().Elem().Kind()
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||||
for _, key := range in.MapKeys() {
|
||||
var val reflect.Value
|
||||
switch elemKind {
|
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case reflect.Ptr:
|
||||
val = reflect.New(in.Type().Elem().Elem())
|
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mergeAny(val, in.MapIndex(key), false, nil)
|
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case reflect.Slice:
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val = in.MapIndex(key)
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val = reflect.ValueOf(append([]byte{}, val.Bytes()...))
|
||||
default:
|
||||
val = in.MapIndex(key)
|
||||
}
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out.SetMapIndex(key, val)
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||||
}
|
||||
case reflect.Ptr:
|
||||
if in.IsNil() {
|
||||
return
|
||||
}
|
||||
if out.IsNil() {
|
||||
out.Set(reflect.New(in.Elem().Type()))
|
||||
}
|
||||
mergeAny(out.Elem(), in.Elem(), true, nil)
|
||||
case reflect.Slice:
|
||||
if in.IsNil() {
|
||||
return
|
||||
}
|
||||
if in.Type().Elem().Kind() == reflect.Uint8 {
|
||||
// []byte is a scalar bytes field, not a repeated field.
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||||
|
||||
// Edge case: if this is in a proto3 message, a zero length
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||||
// bytes field is considered the zero value, and should not
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// be merged.
|
||||
if prop != nil && prop.proto3 && in.Len() == 0 {
|
||||
return
|
||||
}
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||||
|
||||
// Make a deep copy.
|
||||
// Append to []byte{} instead of []byte(nil) so that we never end up
|
||||
// with a nil result.
|
||||
out.SetBytes(append([]byte{}, in.Bytes()...))
|
||||
return
|
||||
}
|
||||
n := in.Len()
|
||||
if out.IsNil() {
|
||||
out.Set(reflect.MakeSlice(in.Type(), 0, n))
|
||||
}
|
||||
switch in.Type().Elem().Kind() {
|
||||
case reflect.Bool, reflect.Float32, reflect.Float64, reflect.Int32, reflect.Int64,
|
||||
reflect.String, reflect.Uint32, reflect.Uint64:
|
||||
out.Set(reflect.AppendSlice(out, in))
|
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default:
|
||||
for i := 0; i < n; i++ {
|
||||
x := reflect.Indirect(reflect.New(in.Type().Elem()))
|
||||
mergeAny(x, in.Index(i), false, nil)
|
||||
out.Set(reflect.Append(out, x))
|
||||
}
|
||||
}
|
||||
case reflect.Struct:
|
||||
mergeStruct(out, in)
|
||||
default:
|
||||
// unknown type, so not a protocol buffer
|
||||
log.Printf("proto: don't know how to copy %v", in)
|
||||
}
|
||||
}
|
||||
|
||||
func mergeExtension(out, in map[int32]Extension) {
|
||||
for extNum, eIn := range in {
|
||||
eOut := Extension{desc: eIn.desc}
|
||||
if eIn.value != nil {
|
||||
v := reflect.New(reflect.TypeOf(eIn.value)).Elem()
|
||||
mergeAny(v, reflect.ValueOf(eIn.value), false, nil)
|
||||
eOut.value = v.Interface()
|
||||
}
|
||||
if eIn.enc != nil {
|
||||
eOut.enc = make([]byte, len(eIn.enc))
|
||||
copy(eOut.enc, eIn.enc)
|
||||
}
|
||||
|
||||
out[extNum] = eOut
|
||||
}
|
||||
}
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||||
350
vendor/github.com/golang/protobuf/proto/discard.go
generated
vendored
Normal file
350
vendor/github.com/golang/protobuf/proto/discard.go
generated
vendored
Normal file
@@ -0,0 +1,350 @@
|
||||
// Go support for Protocol Buffers - Google's data interchange format
|
||||
//
|
||||
// Copyright 2017 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.
|
||||
|
||||
package proto
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"reflect"
|
||||
"strings"
|
||||
"sync"
|
||||
"sync/atomic"
|
||||
)
|
||||
|
||||
type generatedDiscarder interface {
|
||||
XXX_DiscardUnknown()
|
||||
}
|
||||
|
||||
// DiscardUnknown recursively discards all unknown fields from this message
|
||||
// and all embedded messages.
|
||||
//
|
||||
// When unmarshaling a message with unrecognized fields, the tags and values
|
||||
// of such fields are preserved in the Message. This allows a later call to
|
||||
// marshal to be able to produce a message that continues to have those
|
||||
// unrecognized fields. To avoid this, DiscardUnknown is used to
|
||||
// explicitly clear the unknown fields after unmarshaling.
|
||||
//
|
||||
// For proto2 messages, the unknown fields of message extensions are only
|
||||
// discarded from messages that have been accessed via GetExtension.
|
||||
func DiscardUnknown(m Message) {
|
||||
if m, ok := m.(generatedDiscarder); ok {
|
||||
m.XXX_DiscardUnknown()
|
||||
return
|
||||
}
|
||||
// TODO: Dynamically populate a InternalMessageInfo for legacy messages,
|
||||
// but the master branch has no implementation for InternalMessageInfo,
|
||||
// so it would be more work to replicate that approach.
|
||||
discardLegacy(m)
|
||||
}
|
||||
|
||||
// DiscardUnknown recursively discards all unknown fields.
|
||||
func (a *InternalMessageInfo) DiscardUnknown(m Message) {
|
||||
di := atomicLoadDiscardInfo(&a.discard)
|
||||
if di == nil {
|
||||
di = getDiscardInfo(reflect.TypeOf(m).Elem())
|
||||
atomicStoreDiscardInfo(&a.discard, di)
|
||||
}
|
||||
di.discard(toPointer(&m))
|
||||
}
|
||||
|
||||
type discardInfo struct {
|
||||
typ reflect.Type
|
||||
|
||||
initialized int32 // 0: only typ is valid, 1: everything is valid
|
||||
lock sync.Mutex
|
||||
|
||||
fields []discardFieldInfo
|
||||
unrecognized field
|
||||
}
|
||||
|
||||
type discardFieldInfo struct {
|
||||
field field // Offset of field, guaranteed to be valid
|
||||
discard func(src pointer)
|
||||
}
|
||||
|
||||
var (
|
||||
discardInfoMap = map[reflect.Type]*discardInfo{}
|
||||
discardInfoLock sync.Mutex
|
||||
)
|
||||
|
||||
func getDiscardInfo(t reflect.Type) *discardInfo {
|
||||
discardInfoLock.Lock()
|
||||
defer discardInfoLock.Unlock()
|
||||
di := discardInfoMap[t]
|
||||
if di == nil {
|
||||
di = &discardInfo{typ: t}
|
||||
discardInfoMap[t] = di
|
||||
}
|
||||
return di
|
||||
}
|
||||
|
||||
func (di *discardInfo) discard(src pointer) {
|
||||
if src.isNil() {
|
||||
return // Nothing to do.
|
||||
}
|
||||
|
||||
if atomic.LoadInt32(&di.initialized) == 0 {
|
||||
di.computeDiscardInfo()
|
||||
}
|
||||
|
||||
for _, fi := range di.fields {
|
||||
sfp := src.offset(fi.field)
|
||||
fi.discard(sfp)
|
||||
}
|
||||
|
||||
// For proto2 messages, only discard unknown fields in message extensions
|
||||
// that have been accessed via GetExtension.
|
||||
if em, err := extendable(src.asPointerTo(di.typ).Interface()); err == nil {
|
||||
// Ignore lock since DiscardUnknown is not concurrency safe.
|
||||
emm, _ := em.extensionsRead()
|
||||
for _, mx := range emm {
|
||||
if m, ok := mx.value.(Message); ok {
|
||||
DiscardUnknown(m)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if di.unrecognized.IsValid() {
|
||||
*src.offset(di.unrecognized).toBytes() = nil
|
||||
}
|
||||
}
|
||||
|
||||
func (di *discardInfo) computeDiscardInfo() {
|
||||
di.lock.Lock()
|
||||
defer di.lock.Unlock()
|
||||
if di.initialized != 0 {
|
||||
return
|
||||
}
|
||||
t := di.typ
|
||||
n := t.NumField()
|
||||
|
||||
for i := 0; i < n; i++ {
|
||||
f := t.Field(i)
|
||||
if strings.HasPrefix(f.Name, "XXX_") {
|
||||
continue
|
||||
}
|
||||
|
||||
dfi := discardFieldInfo{field: toField(&f)}
|
||||
tf := f.Type
|
||||
|
||||
// Unwrap tf to get its most basic type.
|
||||
var isPointer, isSlice bool
|
||||
if tf.Kind() == reflect.Slice && tf.Elem().Kind() != reflect.Uint8 {
|
||||
isSlice = true
|
||||
tf = tf.Elem()
|
||||
}
|
||||
if tf.Kind() == reflect.Ptr {
|
||||
isPointer = true
|
||||
tf = tf.Elem()
|
||||
}
|
||||
if isPointer && isSlice && tf.Kind() != reflect.Struct {
|
||||
panic(fmt.Sprintf("%v.%s cannot be a slice of pointers to primitive types", t, f.Name))
|
||||
}
|
||||
|
||||
switch tf.Kind() {
|
||||
case reflect.Struct:
|
||||
switch {
|
||||
case !isPointer:
|
||||
panic(fmt.Sprintf("%v.%s cannot be a direct struct value", t, f.Name))
|
||||
case isSlice: // E.g., []*pb.T
|
||||
di := getDiscardInfo(tf)
|
||||
dfi.discard = func(src pointer) {
|
||||
sps := src.getPointerSlice()
|
||||
for _, sp := range sps {
|
||||
if !sp.isNil() {
|
||||
di.discard(sp)
|
||||
}
|
||||
}
|
||||
}
|
||||
default: // E.g., *pb.T
|
||||
di := getDiscardInfo(tf)
|
||||
dfi.discard = func(src pointer) {
|
||||
sp := src.getPointer()
|
||||
if !sp.isNil() {
|
||||
di.discard(sp)
|
||||
}
|
||||
}
|
||||
}
|
||||
case reflect.Map:
|
||||
switch {
|
||||
case isPointer || isSlice:
|
||||
panic(fmt.Sprintf("%v.%s cannot be a pointer to a map or a slice of map values", t, f.Name))
|
||||
default: // E.g., map[K]V
|
||||
if tf.Elem().Kind() == reflect.Ptr { // Proto struct (e.g., *T)
|
||||
dfi.discard = func(src pointer) {
|
||||
sm := src.asPointerTo(tf).Elem()
|
||||
if sm.Len() == 0 {
|
||||
return
|
||||
}
|
||||
for _, key := range sm.MapKeys() {
|
||||
val := sm.MapIndex(key)
|
||||
DiscardUnknown(val.Interface().(Message))
|
||||
}
|
||||
}
|
||||
} else {
|
||||
dfi.discard = func(pointer) {} // Noop
|
||||
}
|
||||
}
|
||||
case reflect.Interface:
|
||||
// Must be oneof field.
|
||||
switch {
|
||||
case isPointer || isSlice:
|
||||
panic(fmt.Sprintf("%v.%s cannot be a pointer to a interface or a slice of interface values", t, f.Name))
|
||||
default: // E.g., interface{}
|
||||
// TODO: Make this faster?
|
||||
dfi.discard = func(src pointer) {
|
||||
su := src.asPointerTo(tf).Elem()
|
||||
if !su.IsNil() {
|
||||
sv := su.Elem().Elem().Field(0)
|
||||
if sv.Kind() == reflect.Ptr && sv.IsNil() {
|
||||
return
|
||||
}
|
||||
switch sv.Type().Kind() {
|
||||
case reflect.Ptr: // Proto struct (e.g., *T)
|
||||
DiscardUnknown(sv.Interface().(Message))
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
default:
|
||||
continue
|
||||
}
|
||||
di.fields = append(di.fields, dfi)
|
||||
}
|
||||
|
||||
di.unrecognized = invalidField
|
||||
if f, ok := t.FieldByName("XXX_unrecognized"); ok {
|
||||
if f.Type != reflect.TypeOf([]byte{}) {
|
||||
panic("expected XXX_unrecognized to be of type []byte")
|
||||
}
|
||||
di.unrecognized = toField(&f)
|
||||
}
|
||||
|
||||
atomic.StoreInt32(&di.initialized, 1)
|
||||
}
|
||||
|
||||
func discardLegacy(m Message) {
|
||||
v := reflect.ValueOf(m)
|
||||
if v.Kind() != reflect.Ptr || v.IsNil() {
|
||||
return
|
||||
}
|
||||
v = v.Elem()
|
||||
if v.Kind() != reflect.Struct {
|
||||
return
|
||||
}
|
||||
t := v.Type()
|
||||
|
||||
for i := 0; i < v.NumField(); i++ {
|
||||
f := t.Field(i)
|
||||
if strings.HasPrefix(f.Name, "XXX_") {
|
||||
continue
|
||||
}
|
||||
vf := v.Field(i)
|
||||
tf := f.Type
|
||||
|
||||
// Unwrap tf to get its most basic type.
|
||||
var isPointer, isSlice bool
|
||||
if tf.Kind() == reflect.Slice && tf.Elem().Kind() != reflect.Uint8 {
|
||||
isSlice = true
|
||||
tf = tf.Elem()
|
||||
}
|
||||
if tf.Kind() == reflect.Ptr {
|
||||
isPointer = true
|
||||
tf = tf.Elem()
|
||||
}
|
||||
if isPointer && isSlice && tf.Kind() != reflect.Struct {
|
||||
panic(fmt.Sprintf("%T.%s cannot be a slice of pointers to primitive types", m, f.Name))
|
||||
}
|
||||
|
||||
switch tf.Kind() {
|
||||
case reflect.Struct:
|
||||
switch {
|
||||
case !isPointer:
|
||||
panic(fmt.Sprintf("%T.%s cannot be a direct struct value", m, f.Name))
|
||||
case isSlice: // E.g., []*pb.T
|
||||
for j := 0; j < vf.Len(); j++ {
|
||||
discardLegacy(vf.Index(j).Interface().(Message))
|
||||
}
|
||||
default: // E.g., *pb.T
|
||||
discardLegacy(vf.Interface().(Message))
|
||||
}
|
||||
case reflect.Map:
|
||||
switch {
|
||||
case isPointer || isSlice:
|
||||
panic(fmt.Sprintf("%T.%s cannot be a pointer to a map or a slice of map values", m, f.Name))
|
||||
default: // E.g., map[K]V
|
||||
tv := vf.Type().Elem()
|
||||
if tv.Kind() == reflect.Ptr && tv.Implements(protoMessageType) { // Proto struct (e.g., *T)
|
||||
for _, key := range vf.MapKeys() {
|
||||
val := vf.MapIndex(key)
|
||||
discardLegacy(val.Interface().(Message))
|
||||
}
|
||||
}
|
||||
}
|
||||
case reflect.Interface:
|
||||
// Must be oneof field.
|
||||
switch {
|
||||
case isPointer || isSlice:
|
||||
panic(fmt.Sprintf("%T.%s cannot be a pointer to a interface or a slice of interface values", m, f.Name))
|
||||
default: // E.g., test_proto.isCommunique_Union interface
|
||||
if !vf.IsNil() && f.Tag.Get("protobuf_oneof") != "" {
|
||||
vf = vf.Elem() // E.g., *test_proto.Communique_Msg
|
||||
if !vf.IsNil() {
|
||||
vf = vf.Elem() // E.g., test_proto.Communique_Msg
|
||||
vf = vf.Field(0) // E.g., Proto struct (e.g., *T) or primitive value
|
||||
if vf.Kind() == reflect.Ptr {
|
||||
discardLegacy(vf.Interface().(Message))
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if vf := v.FieldByName("XXX_unrecognized"); vf.IsValid() {
|
||||
if vf.Type() != reflect.TypeOf([]byte{}) {
|
||||
panic("expected XXX_unrecognized to be of type []byte")
|
||||
}
|
||||
vf.Set(reflect.ValueOf([]byte(nil)))
|
||||
}
|
||||
|
||||
// For proto2 messages, only discard unknown fields in message extensions
|
||||
// that have been accessed via GetExtension.
|
||||
if em, err := extendable(m); err == nil {
|
||||
// Ignore lock since discardLegacy is not concurrency safe.
|
||||
emm, _ := em.extensionsRead()
|
||||
for _, mx := range emm {
|
||||
if m, ok := mx.value.(Message); ok {
|
||||
discardLegacy(m)
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
654
vendor/github.com/golang/protobuf/proto/table_merge.go
generated
vendored
Normal file
654
vendor/github.com/golang/protobuf/proto/table_merge.go
generated
vendored
Normal file
@@ -0,0 +1,654 @@
|
||||
// Go support for Protocol Buffers - Google's data interchange format
|
||||
//
|
||||
// Copyright 2016 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.
|
||||
|
||||
package proto
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"reflect"
|
||||
"strings"
|
||||
"sync"
|
||||
"sync/atomic"
|
||||
)
|
||||
|
||||
// Merge merges the src message into dst.
|
||||
// This assumes that dst and src of the same type and are non-nil.
|
||||
func (a *InternalMessageInfo) Merge(dst, src Message) {
|
||||
mi := atomicLoadMergeInfo(&a.merge)
|
||||
if mi == nil {
|
||||
mi = getMergeInfo(reflect.TypeOf(dst).Elem())
|
||||
atomicStoreMergeInfo(&a.merge, mi)
|
||||
}
|
||||
mi.merge(toPointer(&dst), toPointer(&src))
|
||||
}
|
||||
|
||||
type mergeInfo struct {
|
||||
typ reflect.Type
|
||||
|
||||
initialized int32 // 0: only typ is valid, 1: everything is valid
|
||||
lock sync.Mutex
|
||||
|
||||
fields []mergeFieldInfo
|
||||
unrecognized field // Offset of XXX_unrecognized
|
||||
}
|
||||
|
||||
type mergeFieldInfo struct {
|
||||
field field // Offset of field, guaranteed to be valid
|
||||
|
||||
// isPointer reports whether the value in the field is a pointer.
|
||||
// This is true for the following situations:
|
||||
// * Pointer to struct
|
||||
// * Pointer to basic type (proto2 only)
|
||||
// * Slice (first value in slice header is a pointer)
|
||||
// * String (first value in string header is a pointer)
|
||||
isPointer bool
|
||||
|
||||
// basicWidth reports the width of the field assuming that it is directly
|
||||
// embedded in the struct (as is the case for basic types in proto3).
|
||||
// The possible values are:
|
||||
// 0: invalid
|
||||
// 1: bool
|
||||
// 4: int32, uint32, float32
|
||||
// 8: int64, uint64, float64
|
||||
basicWidth int
|
||||
|
||||
// Where dst and src are pointers to the types being merged.
|
||||
merge func(dst, src pointer)
|
||||
}
|
||||
|
||||
var (
|
||||
mergeInfoMap = map[reflect.Type]*mergeInfo{}
|
||||
mergeInfoLock sync.Mutex
|
||||
)
|
||||
|
||||
func getMergeInfo(t reflect.Type) *mergeInfo {
|
||||
mergeInfoLock.Lock()
|
||||
defer mergeInfoLock.Unlock()
|
||||
mi := mergeInfoMap[t]
|
||||
if mi == nil {
|
||||
mi = &mergeInfo{typ: t}
|
||||
mergeInfoMap[t] = mi
|
||||
}
|
||||
return mi
|
||||
}
|
||||
|
||||
// merge merges src into dst assuming they are both of type *mi.typ.
|
||||
func (mi *mergeInfo) merge(dst, src pointer) {
|
||||
if dst.isNil() {
|
||||
panic("proto: nil destination")
|
||||
}
|
||||
if src.isNil() {
|
||||
return // Nothing to do.
|
||||
}
|
||||
|
||||
if atomic.LoadInt32(&mi.initialized) == 0 {
|
||||
mi.computeMergeInfo()
|
||||
}
|
||||
|
||||
for _, fi := range mi.fields {
|
||||
sfp := src.offset(fi.field)
|
||||
|
||||
// As an optimization, we can avoid the merge function call cost
|
||||
// if we know for sure that the source will have no effect
|
||||
// by checking if it is the zero value.
|
||||
if unsafeAllowed {
|
||||
if fi.isPointer && sfp.getPointer().isNil() { // Could be slice or string
|
||||
continue
|
||||
}
|
||||
if fi.basicWidth > 0 {
|
||||
switch {
|
||||
case fi.basicWidth == 1 && !*sfp.toBool():
|
||||
continue
|
||||
case fi.basicWidth == 4 && *sfp.toUint32() == 0:
|
||||
continue
|
||||
case fi.basicWidth == 8 && *sfp.toUint64() == 0:
|
||||
continue
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
dfp := dst.offset(fi.field)
|
||||
fi.merge(dfp, sfp)
|
||||
}
|
||||
|
||||
// TODO: Make this faster?
|
||||
out := dst.asPointerTo(mi.typ).Elem()
|
||||
in := src.asPointerTo(mi.typ).Elem()
|
||||
if emIn, err := extendable(in.Addr().Interface()); err == nil {
|
||||
emOut, _ := extendable(out.Addr().Interface())
|
||||
mIn, muIn := emIn.extensionsRead()
|
||||
if mIn != nil {
|
||||
mOut := emOut.extensionsWrite()
|
||||
muIn.Lock()
|
||||
mergeExtension(mOut, mIn)
|
||||
muIn.Unlock()
|
||||
}
|
||||
}
|
||||
|
||||
if mi.unrecognized.IsValid() {
|
||||
if b := *src.offset(mi.unrecognized).toBytes(); len(b) > 0 {
|
||||
*dst.offset(mi.unrecognized).toBytes() = append([]byte(nil), b...)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func (mi *mergeInfo) computeMergeInfo() {
|
||||
mi.lock.Lock()
|
||||
defer mi.lock.Unlock()
|
||||
if mi.initialized != 0 {
|
||||
return
|
||||
}
|
||||
t := mi.typ
|
||||
n := t.NumField()
|
||||
|
||||
props := GetProperties(t)
|
||||
for i := 0; i < n; i++ {
|
||||
f := t.Field(i)
|
||||
if strings.HasPrefix(f.Name, "XXX_") {
|
||||
continue
|
||||
}
|
||||
|
||||
mfi := mergeFieldInfo{field: toField(&f)}
|
||||
tf := f.Type
|
||||
|
||||
// As an optimization, we can avoid the merge function call cost
|
||||
// if we know for sure that the source will have no effect
|
||||
// by checking if it is the zero value.
|
||||
if unsafeAllowed {
|
||||
switch tf.Kind() {
|
||||
case reflect.Ptr, reflect.Slice, reflect.String:
|
||||
// As a special case, we assume slices and strings are pointers
|
||||
// since we know that the first field in the SliceSlice or
|
||||
// StringHeader is a data pointer.
|
||||
mfi.isPointer = true
|
||||
case reflect.Bool:
|
||||
mfi.basicWidth = 1
|
||||
case reflect.Int32, reflect.Uint32, reflect.Float32:
|
||||
mfi.basicWidth = 4
|
||||
case reflect.Int64, reflect.Uint64, reflect.Float64:
|
||||
mfi.basicWidth = 8
|
||||
}
|
||||
}
|
||||
|
||||
// Unwrap tf to get at its most basic type.
|
||||
var isPointer, isSlice bool
|
||||
if tf.Kind() == reflect.Slice && tf.Elem().Kind() != reflect.Uint8 {
|
||||
isSlice = true
|
||||
tf = tf.Elem()
|
||||
}
|
||||
if tf.Kind() == reflect.Ptr {
|
||||
isPointer = true
|
||||
tf = tf.Elem()
|
||||
}
|
||||
if isPointer && isSlice && tf.Kind() != reflect.Struct {
|
||||
panic("both pointer and slice for basic type in " + tf.Name())
|
||||
}
|
||||
|
||||
switch tf.Kind() {
|
||||
case reflect.Int32:
|
||||
switch {
|
||||
case isSlice: // E.g., []int32
|
||||
mfi.merge = func(dst, src pointer) {
|
||||
// NOTE: toInt32Slice is not defined (see pointer_reflect.go).
|
||||
/*
|
||||
sfsp := src.toInt32Slice()
|
||||
if *sfsp != nil {
|
||||
dfsp := dst.toInt32Slice()
|
||||
*dfsp = append(*dfsp, *sfsp...)
|
||||
if *dfsp == nil {
|
||||
*dfsp = []int64{}
|
||||
}
|
||||
}
|
||||
*/
|
||||
sfs := src.getInt32Slice()
|
||||
if sfs != nil {
|
||||
dfs := dst.getInt32Slice()
|
||||
dfs = append(dfs, sfs...)
|
||||
if dfs == nil {
|
||||
dfs = []int32{}
|
||||
}
|
||||
dst.setInt32Slice(dfs)
|
||||
}
|
||||
}
|
||||
case isPointer: // E.g., *int32
|
||||
mfi.merge = func(dst, src pointer) {
|
||||
// NOTE: toInt32Ptr is not defined (see pointer_reflect.go).
|
||||
/*
|
||||
sfpp := src.toInt32Ptr()
|
||||
if *sfpp != nil {
|
||||
dfpp := dst.toInt32Ptr()
|
||||
if *dfpp == nil {
|
||||
*dfpp = Int32(**sfpp)
|
||||
} else {
|
||||
**dfpp = **sfpp
|
||||
}
|
||||
}
|
||||
*/
|
||||
sfp := src.getInt32Ptr()
|
||||
if sfp != nil {
|
||||
dfp := dst.getInt32Ptr()
|
||||
if dfp == nil {
|
||||
dst.setInt32Ptr(*sfp)
|
||||
} else {
|
||||
*dfp = *sfp
|
||||
}
|
||||
}
|
||||
}
|
||||
default: // E.g., int32
|
||||
mfi.merge = func(dst, src pointer) {
|
||||
if v := *src.toInt32(); v != 0 {
|
||||
*dst.toInt32() = v
|
||||
}
|
||||
}
|
||||
}
|
||||
case reflect.Int64:
|
||||
switch {
|
||||
case isSlice: // E.g., []int64
|
||||
mfi.merge = func(dst, src pointer) {
|
||||
sfsp := src.toInt64Slice()
|
||||
if *sfsp != nil {
|
||||
dfsp := dst.toInt64Slice()
|
||||
*dfsp = append(*dfsp, *sfsp...)
|
||||
if *dfsp == nil {
|
||||
*dfsp = []int64{}
|
||||
}
|
||||
}
|
||||
}
|
||||
case isPointer: // E.g., *int64
|
||||
mfi.merge = func(dst, src pointer) {
|
||||
sfpp := src.toInt64Ptr()
|
||||
if *sfpp != nil {
|
||||
dfpp := dst.toInt64Ptr()
|
||||
if *dfpp == nil {
|
||||
*dfpp = Int64(**sfpp)
|
||||
} else {
|
||||
**dfpp = **sfpp
|
||||
}
|
||||
}
|
||||
}
|
||||
default: // E.g., int64
|
||||
mfi.merge = func(dst, src pointer) {
|
||||
if v := *src.toInt64(); v != 0 {
|
||||
*dst.toInt64() = v
|
||||
}
|
||||
}
|
||||
}
|
||||
case reflect.Uint32:
|
||||
switch {
|
||||
case isSlice: // E.g., []uint32
|
||||
mfi.merge = func(dst, src pointer) {
|
||||
sfsp := src.toUint32Slice()
|
||||
if *sfsp != nil {
|
||||
dfsp := dst.toUint32Slice()
|
||||
*dfsp = append(*dfsp, *sfsp...)
|
||||
if *dfsp == nil {
|
||||
*dfsp = []uint32{}
|
||||
}
|
||||
}
|
||||
}
|
||||
case isPointer: // E.g., *uint32
|
||||
mfi.merge = func(dst, src pointer) {
|
||||
sfpp := src.toUint32Ptr()
|
||||
if *sfpp != nil {
|
||||
dfpp := dst.toUint32Ptr()
|
||||
if *dfpp == nil {
|
||||
*dfpp = Uint32(**sfpp)
|
||||
} else {
|
||||
**dfpp = **sfpp
|
||||
}
|
||||
}
|
||||
}
|
||||
default: // E.g., uint32
|
||||
mfi.merge = func(dst, src pointer) {
|
||||
if v := *src.toUint32(); v != 0 {
|
||||
*dst.toUint32() = v
|
||||
}
|
||||
}
|
||||
}
|
||||
case reflect.Uint64:
|
||||
switch {
|
||||
case isSlice: // E.g., []uint64
|
||||
mfi.merge = func(dst, src pointer) {
|
||||
sfsp := src.toUint64Slice()
|
||||
if *sfsp != nil {
|
||||
dfsp := dst.toUint64Slice()
|
||||
*dfsp = append(*dfsp, *sfsp...)
|
||||
if *dfsp == nil {
|
||||
*dfsp = []uint64{}
|
||||
}
|
||||
}
|
||||
}
|
||||
case isPointer: // E.g., *uint64
|
||||
mfi.merge = func(dst, src pointer) {
|
||||
sfpp := src.toUint64Ptr()
|
||||
if *sfpp != nil {
|
||||
dfpp := dst.toUint64Ptr()
|
||||
if *dfpp == nil {
|
||||
*dfpp = Uint64(**sfpp)
|
||||
} else {
|
||||
**dfpp = **sfpp
|
||||
}
|
||||
}
|
||||
}
|
||||
default: // E.g., uint64
|
||||
mfi.merge = func(dst, src pointer) {
|
||||
if v := *src.toUint64(); v != 0 {
|
||||
*dst.toUint64() = v
|
||||
}
|
||||
}
|
||||
}
|
||||
case reflect.Float32:
|
||||
switch {
|
||||
case isSlice: // E.g., []float32
|
||||
mfi.merge = func(dst, src pointer) {
|
||||
sfsp := src.toFloat32Slice()
|
||||
if *sfsp != nil {
|
||||
dfsp := dst.toFloat32Slice()
|
||||
*dfsp = append(*dfsp, *sfsp...)
|
||||
if *dfsp == nil {
|
||||
*dfsp = []float32{}
|
||||
}
|
||||
}
|
||||
}
|
||||
case isPointer: // E.g., *float32
|
||||
mfi.merge = func(dst, src pointer) {
|
||||
sfpp := src.toFloat32Ptr()
|
||||
if *sfpp != nil {
|
||||
dfpp := dst.toFloat32Ptr()
|
||||
if *dfpp == nil {
|
||||
*dfpp = Float32(**sfpp)
|
||||
} else {
|
||||
**dfpp = **sfpp
|
||||
}
|
||||
}
|
||||
}
|
||||
default: // E.g., float32
|
||||
mfi.merge = func(dst, src pointer) {
|
||||
if v := *src.toFloat32(); v != 0 {
|
||||
*dst.toFloat32() = v
|
||||
}
|
||||
}
|
||||
}
|
||||
case reflect.Float64:
|
||||
switch {
|
||||
case isSlice: // E.g., []float64
|
||||
mfi.merge = func(dst, src pointer) {
|
||||
sfsp := src.toFloat64Slice()
|
||||
if *sfsp != nil {
|
||||
dfsp := dst.toFloat64Slice()
|
||||
*dfsp = append(*dfsp, *sfsp...)
|
||||
if *dfsp == nil {
|
||||
*dfsp = []float64{}
|
||||
}
|
||||
}
|
||||
}
|
||||
case isPointer: // E.g., *float64
|
||||
mfi.merge = func(dst, src pointer) {
|
||||
sfpp := src.toFloat64Ptr()
|
||||
if *sfpp != nil {
|
||||
dfpp := dst.toFloat64Ptr()
|
||||
if *dfpp == nil {
|
||||
*dfpp = Float64(**sfpp)
|
||||
} else {
|
||||
**dfpp = **sfpp
|
||||
}
|
||||
}
|
||||
}
|
||||
default: // E.g., float64
|
||||
mfi.merge = func(dst, src pointer) {
|
||||
if v := *src.toFloat64(); v != 0 {
|
||||
*dst.toFloat64() = v
|
||||
}
|
||||
}
|
||||
}
|
||||
case reflect.Bool:
|
||||
switch {
|
||||
case isSlice: // E.g., []bool
|
||||
mfi.merge = func(dst, src pointer) {
|
||||
sfsp := src.toBoolSlice()
|
||||
if *sfsp != nil {
|
||||
dfsp := dst.toBoolSlice()
|
||||
*dfsp = append(*dfsp, *sfsp...)
|
||||
if *dfsp == nil {
|
||||
*dfsp = []bool{}
|
||||
}
|
||||
}
|
||||
}
|
||||
case isPointer: // E.g., *bool
|
||||
mfi.merge = func(dst, src pointer) {
|
||||
sfpp := src.toBoolPtr()
|
||||
if *sfpp != nil {
|
||||
dfpp := dst.toBoolPtr()
|
||||
if *dfpp == nil {
|
||||
*dfpp = Bool(**sfpp)
|
||||
} else {
|
||||
**dfpp = **sfpp
|
||||
}
|
||||
}
|
||||
}
|
||||
default: // E.g., bool
|
||||
mfi.merge = func(dst, src pointer) {
|
||||
if v := *src.toBool(); v {
|
||||
*dst.toBool() = v
|
||||
}
|
||||
}
|
||||
}
|
||||
case reflect.String:
|
||||
switch {
|
||||
case isSlice: // E.g., []string
|
||||
mfi.merge = func(dst, src pointer) {
|
||||
sfsp := src.toStringSlice()
|
||||
if *sfsp != nil {
|
||||
dfsp := dst.toStringSlice()
|
||||
*dfsp = append(*dfsp, *sfsp...)
|
||||
if *dfsp == nil {
|
||||
*dfsp = []string{}
|
||||
}
|
||||
}
|
||||
}
|
||||
case isPointer: // E.g., *string
|
||||
mfi.merge = func(dst, src pointer) {
|
||||
sfpp := src.toStringPtr()
|
||||
if *sfpp != nil {
|
||||
dfpp := dst.toStringPtr()
|
||||
if *dfpp == nil {
|
||||
*dfpp = String(**sfpp)
|
||||
} else {
|
||||
**dfpp = **sfpp
|
||||
}
|
||||
}
|
||||
}
|
||||
default: // E.g., string
|
||||
mfi.merge = func(dst, src pointer) {
|
||||
if v := *src.toString(); v != "" {
|
||||
*dst.toString() = v
|
||||
}
|
||||
}
|
||||
}
|
||||
case reflect.Slice:
|
||||
isProto3 := props.Prop[i].proto3
|
||||
switch {
|
||||
case isPointer:
|
||||
panic("bad pointer in byte slice case in " + tf.Name())
|
||||
case tf.Elem().Kind() != reflect.Uint8:
|
||||
panic("bad element kind in byte slice case in " + tf.Name())
|
||||
case isSlice: // E.g., [][]byte
|
||||
mfi.merge = func(dst, src pointer) {
|
||||
sbsp := src.toBytesSlice()
|
||||
if *sbsp != nil {
|
||||
dbsp := dst.toBytesSlice()
|
||||
for _, sb := range *sbsp {
|
||||
if sb == nil {
|
||||
*dbsp = append(*dbsp, nil)
|
||||
} else {
|
||||
*dbsp = append(*dbsp, append([]byte{}, sb...))
|
||||
}
|
||||
}
|
||||
if *dbsp == nil {
|
||||
*dbsp = [][]byte{}
|
||||
}
|
||||
}
|
||||
}
|
||||
default: // E.g., []byte
|
||||
mfi.merge = func(dst, src pointer) {
|
||||
sbp := src.toBytes()
|
||||
if *sbp != nil {
|
||||
dbp := dst.toBytes()
|
||||
if !isProto3 || len(*sbp) > 0 {
|
||||
*dbp = append([]byte{}, *sbp...)
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
case reflect.Struct:
|
||||
switch {
|
||||
case !isPointer:
|
||||
panic(fmt.Sprintf("message field %s without pointer", tf))
|
||||
case isSlice: // E.g., []*pb.T
|
||||
mi := getMergeInfo(tf)
|
||||
mfi.merge = func(dst, src pointer) {
|
||||
sps := src.getPointerSlice()
|
||||
if sps != nil {
|
||||
dps := dst.getPointerSlice()
|
||||
for _, sp := range sps {
|
||||
var dp pointer
|
||||
if !sp.isNil() {
|
||||
dp = valToPointer(reflect.New(tf))
|
||||
mi.merge(dp, sp)
|
||||
}
|
||||
dps = append(dps, dp)
|
||||
}
|
||||
if dps == nil {
|
||||
dps = []pointer{}
|
||||
}
|
||||
dst.setPointerSlice(dps)
|
||||
}
|
||||
}
|
||||
default: // E.g., *pb.T
|
||||
mi := getMergeInfo(tf)
|
||||
mfi.merge = func(dst, src pointer) {
|
||||
sp := src.getPointer()
|
||||
if !sp.isNil() {
|
||||
dp := dst.getPointer()
|
||||
if dp.isNil() {
|
||||
dp = valToPointer(reflect.New(tf))
|
||||
dst.setPointer(dp)
|
||||
}
|
||||
mi.merge(dp, sp)
|
||||
}
|
||||
}
|
||||
}
|
||||
case reflect.Map:
|
||||
switch {
|
||||
case isPointer || isSlice:
|
||||
panic("bad pointer or slice in map case in " + tf.Name())
|
||||
default: // E.g., map[K]V
|
||||
mfi.merge = func(dst, src pointer) {
|
||||
sm := src.asPointerTo(tf).Elem()
|
||||
if sm.Len() == 0 {
|
||||
return
|
||||
}
|
||||
dm := dst.asPointerTo(tf).Elem()
|
||||
if dm.IsNil() {
|
||||
dm.Set(reflect.MakeMap(tf))
|
||||
}
|
||||
|
||||
switch tf.Elem().Kind() {
|
||||
case reflect.Ptr: // Proto struct (e.g., *T)
|
||||
for _, key := range sm.MapKeys() {
|
||||
val := sm.MapIndex(key)
|
||||
val = reflect.ValueOf(Clone(val.Interface().(Message)))
|
||||
dm.SetMapIndex(key, val)
|
||||
}
|
||||
case reflect.Slice: // E.g. Bytes type (e.g., []byte)
|
||||
for _, key := range sm.MapKeys() {
|
||||
val := sm.MapIndex(key)
|
||||
val = reflect.ValueOf(append([]byte{}, val.Bytes()...))
|
||||
dm.SetMapIndex(key, val)
|
||||
}
|
||||
default: // Basic type (e.g., string)
|
||||
for _, key := range sm.MapKeys() {
|
||||
val := sm.MapIndex(key)
|
||||
dm.SetMapIndex(key, val)
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
case reflect.Interface:
|
||||
// Must be oneof field.
|
||||
switch {
|
||||
case isPointer || isSlice:
|
||||
panic("bad pointer or slice in interface case in " + tf.Name())
|
||||
default: // E.g., interface{}
|
||||
// TODO: Make this faster?
|
||||
mfi.merge = func(dst, src pointer) {
|
||||
su := src.asPointerTo(tf).Elem()
|
||||
if !su.IsNil() {
|
||||
du := dst.asPointerTo(tf).Elem()
|
||||
typ := su.Elem().Type()
|
||||
if du.IsNil() || du.Elem().Type() != typ {
|
||||
du.Set(reflect.New(typ.Elem())) // Initialize interface if empty
|
||||
}
|
||||
sv := su.Elem().Elem().Field(0)
|
||||
if sv.Kind() == reflect.Ptr && sv.IsNil() {
|
||||
return
|
||||
}
|
||||
dv := du.Elem().Elem().Field(0)
|
||||
if dv.Kind() == reflect.Ptr && dv.IsNil() {
|
||||
dv.Set(reflect.New(sv.Type().Elem())) // Initialize proto message if empty
|
||||
}
|
||||
switch sv.Type().Kind() {
|
||||
case reflect.Ptr: // Proto struct (e.g., *T)
|
||||
Merge(dv.Interface().(Message), sv.Interface().(Message))
|
||||
case reflect.Slice: // E.g. Bytes type (e.g., []byte)
|
||||
dv.Set(reflect.ValueOf(append([]byte{}, sv.Bytes()...)))
|
||||
default: // Basic type (e.g., string)
|
||||
dv.Set(sv)
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
default:
|
||||
panic(fmt.Sprintf("merger not found for type:%s", tf))
|
||||
}
|
||||
mi.fields = append(mi.fields, mfi)
|
||||
}
|
||||
|
||||
mi.unrecognized = invalidField
|
||||
if f, ok := t.FieldByName("XXX_unrecognized"); ok {
|
||||
if f.Type != reflect.TypeOf([]byte{}) {
|
||||
panic("expected XXX_unrecognized to be of type []byte")
|
||||
}
|
||||
mi.unrecognized = toField(&f)
|
||||
}
|
||||
|
||||
atomic.StoreInt32(&mi.initialized, 1)
|
||||
}
|
||||
Reference in New Issue
Block a user