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path: root/vendor/github.com/golang/protobuf/proto/table_marshal.go
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Diffstat (limited to 'vendor/github.com/golang/protobuf/proto/table_marshal.go')
-rw-r--r--vendor/github.com/golang/protobuf/proto/table_marshal.go45
1 files changed, 27 insertions, 18 deletions
diff --git a/vendor/github.com/golang/protobuf/proto/table_marshal.go b/vendor/github.com/golang/protobuf/proto/table_marshal.go
index b16794496..5cb11fa95 100644
--- a/vendor/github.com/golang/protobuf/proto/table_marshal.go
+++ b/vendor/github.com/golang/protobuf/proto/table_marshal.go
@@ -87,6 +87,7 @@ type marshalElemInfo struct {
sizer sizer
marshaler marshaler
isptr bool // elem is pointer typed, thus interface of this type is a direct interface (extension only)
+ deref bool // dereference the pointer before operating on it; implies isptr
}
var (
@@ -320,8 +321,11 @@ func (u *marshalInfo) computeMarshalInfo() {
// get oneof implementers
var oneofImplementers []interface{}
- if m, ok := reflect.Zero(reflect.PtrTo(t)).Interface().(oneofMessage); ok {
+ switch m := reflect.Zero(reflect.PtrTo(t)).Interface().(type) {
+ case oneofFuncsIface:
_, _, _, oneofImplementers = m.XXX_OneofFuncs()
+ case oneofWrappersIface:
+ oneofImplementers = m.XXX_OneofWrappers()
}
n := t.NumField()
@@ -407,13 +411,22 @@ func (u *marshalInfo) getExtElemInfo(desc *ExtensionDesc) *marshalElemInfo {
panic("tag is not an integer")
}
wt := wiretype(tags[0])
+ if t.Kind() == reflect.Ptr && t.Elem().Kind() != reflect.Struct {
+ t = t.Elem()
+ }
sizer, marshaler := typeMarshaler(t, tags, false, false)
+ var deref bool
+ if t.Kind() == reflect.Slice && t.Elem().Kind() != reflect.Uint8 {
+ t = reflect.PtrTo(t)
+ deref = true
+ }
e = &marshalElemInfo{
wiretag: uint64(tag)<<3 | wt,
tagsize: SizeVarint(uint64(tag) << 3),
sizer: sizer,
marshaler: marshaler,
isptr: t.Kind() == reflect.Ptr,
+ deref: deref,
}
// update cache
@@ -448,7 +461,7 @@ func (fi *marshalFieldInfo) computeMarshalFieldInfo(f *reflect.StructField) {
func (fi *marshalFieldInfo) computeOneofFieldInfo(f *reflect.StructField, oneofImplementers []interface{}) {
fi.field = toField(f)
- fi.wiretag = 1<<31 - 1 // Use a large tag number, make oneofs sorted at the end. This tag will not appear on the wire.
+ fi.wiretag = math.MaxInt32 // Use a large tag number, make oneofs sorted at the end. This tag will not appear on the wire.
fi.isPointer = true
fi.sizer, fi.marshaler = makeOneOfMarshaler(fi, f)
fi.oneofElems = make(map[reflect.Type]*marshalElemInfo)
@@ -476,10 +489,6 @@ func (fi *marshalFieldInfo) computeOneofFieldInfo(f *reflect.StructField, oneofI
}
}
-type oneofMessage interface {
- XXX_OneofFuncs() (func(Message, *Buffer) error, func(Message, int, int, *Buffer) (bool, error), func(Message) int, []interface{})
-}
-
// wiretype returns the wire encoding of the type.
func wiretype(encoding string) uint64 {
switch encoding {
@@ -2310,8 +2319,8 @@ func makeMapMarshaler(f *reflect.StructField) (sizer, marshaler) {
for _, k := range m.MapKeys() {
ki := k.Interface()
vi := m.MapIndex(k).Interface()
- kaddr := toAddrPointer(&ki, false) // pointer to key
- vaddr := toAddrPointer(&vi, valIsPtr) // pointer to value
+ kaddr := toAddrPointer(&ki, false, false) // pointer to key
+ vaddr := toAddrPointer(&vi, valIsPtr, false) // pointer to value
siz := keySizer(kaddr, 1) + valSizer(vaddr, 1) // tag of key = 1 (size=1), tag of val = 2 (size=1)
n += siz + SizeVarint(uint64(siz)) + tagsize
}
@@ -2329,8 +2338,8 @@ func makeMapMarshaler(f *reflect.StructField) (sizer, marshaler) {
for _, k := range keys {
ki := k.Interface()
vi := m.MapIndex(k).Interface()
- kaddr := toAddrPointer(&ki, false) // pointer to key
- vaddr := toAddrPointer(&vi, valIsPtr) // pointer to value
+ kaddr := toAddrPointer(&ki, false, false) // pointer to key
+ vaddr := toAddrPointer(&vi, valIsPtr, false) // pointer to value
b = appendVarint(b, tag)
siz := keySizer(kaddr, 1) + valCachedSizer(vaddr, 1) // tag of key = 1 (size=1), tag of val = 2 (size=1)
b = appendVarint(b, uint64(siz))
@@ -2399,7 +2408,7 @@ func (u *marshalInfo) sizeExtensions(ext *XXX_InternalExtensions) int {
// the last time this function was called.
ei := u.getExtElemInfo(e.desc)
v := e.value
- p := toAddrPointer(&v, ei.isptr)
+ p := toAddrPointer(&v, ei.isptr, ei.deref)
n += ei.sizer(p, ei.tagsize)
}
mu.Unlock()
@@ -2434,7 +2443,7 @@ func (u *marshalInfo) appendExtensions(b []byte, ext *XXX_InternalExtensions, de
ei := u.getExtElemInfo(e.desc)
v := e.value
- p := toAddrPointer(&v, ei.isptr)
+ p := toAddrPointer(&v, ei.isptr, ei.deref)
b, err = ei.marshaler(b, p, ei.wiretag, deterministic)
if !nerr.Merge(err) {
return b, err
@@ -2465,7 +2474,7 @@ func (u *marshalInfo) appendExtensions(b []byte, ext *XXX_InternalExtensions, de
ei := u.getExtElemInfo(e.desc)
v := e.value
- p := toAddrPointer(&v, ei.isptr)
+ p := toAddrPointer(&v, ei.isptr, ei.deref)
b, err = ei.marshaler(b, p, ei.wiretag, deterministic)
if !nerr.Merge(err) {
return b, err
@@ -2510,7 +2519,7 @@ func (u *marshalInfo) sizeMessageSet(ext *XXX_InternalExtensions) int {
ei := u.getExtElemInfo(e.desc)
v := e.value
- p := toAddrPointer(&v, ei.isptr)
+ p := toAddrPointer(&v, ei.isptr, ei.deref)
n += ei.sizer(p, 1) // message, tag = 3 (size=1)
}
mu.Unlock()
@@ -2553,7 +2562,7 @@ func (u *marshalInfo) appendMessageSet(b []byte, ext *XXX_InternalExtensions, de
ei := u.getExtElemInfo(e.desc)
v := e.value
- p := toAddrPointer(&v, ei.isptr)
+ p := toAddrPointer(&v, ei.isptr, ei.deref)
b, err = ei.marshaler(b, p, 3<<3|WireBytes, deterministic)
if !nerr.Merge(err) {
return b, err
@@ -2591,7 +2600,7 @@ func (u *marshalInfo) appendMessageSet(b []byte, ext *XXX_InternalExtensions, de
ei := u.getExtElemInfo(e.desc)
v := e.value
- p := toAddrPointer(&v, ei.isptr)
+ p := toAddrPointer(&v, ei.isptr, ei.deref)
b, err = ei.marshaler(b, p, 3<<3|WireBytes, deterministic)
b = append(b, 1<<3|WireEndGroup)
if !nerr.Merge(err) {
@@ -2621,7 +2630,7 @@ func (u *marshalInfo) sizeV1Extensions(m map[int32]Extension) int {
ei := u.getExtElemInfo(e.desc)
v := e.value
- p := toAddrPointer(&v, ei.isptr)
+ p := toAddrPointer(&v, ei.isptr, ei.deref)
n += ei.sizer(p, ei.tagsize)
}
return n
@@ -2656,7 +2665,7 @@ func (u *marshalInfo) appendV1Extensions(b []byte, m map[int32]Extension, determ
ei := u.getExtElemInfo(e.desc)
v := e.value
- p := toAddrPointer(&v, ei.isptr)
+ p := toAddrPointer(&v, ei.isptr, ei.deref)
b, err = ei.marshaler(b, p, ei.wiretag, deterministic)
if !nerr.Merge(err) {
return b, err
generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2024-09-24 18:27:32 +0000