go/json-iterator
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Code Issues Releases Activity

remove sliceHeader

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This commit is contained in:
Tao Wen
2018-02-19 14:39:57 +08:00
parent b53aa13eb0
commit d6f02cbd48
2 changed files with 4 additions and 18 deletions
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12
feature_reflect_native.go
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@ -493,15 +493,13 @@ func (codec *jsoniterRawMessageCodec) IsEmpty(ptr unsafe.Pointer) bool {
}
type base64Codec struct {
sliceType *reflect2.UnsafeSliceType
sliceDecoder ValDecoder
}
func (codec *base64Codec) Decode(ptr unsafe.Pointer, iter *Iterator) {
if iter.ReadNil() {
ptrSlice := (*sliceHeader)(ptr)
ptrSlice.Len = 0
ptrSlice.Cap = 0
ptrSlice.Data = nil
codec.sliceType.UnsafeSetNil(ptr)
return
}
switch iter.WhatIsNext() {
@ -516,11 +514,7 @@ func (codec *base64Codec) Decode(ptr unsafe.Pointer, iter *Iterator) {
iter.ReportError("decode base64", err.Error())
} else {
dst = dst[:len]
dstSlice := (*sliceHeader)(unsafe.Pointer(&dst))
ptrSlice := (*sliceHeader)(ptr)
ptrSlice.Data = dstSlice.Data
ptrSlice.Cap = dstSlice.Cap
ptrSlice.Len = dstSlice.Len
codec.sliceType.UnsafeSet(ptr, unsafe.Pointer(&dst))
}
case ArrayValue:
codec.sliceDecoder.Decode(ptr, iter)

10
feature_reflect_slice.go
View File

@ -49,8 +49,7 @@ func (encoder *sliceEncoder) Encode(ptr unsafe.Pointer, stream *Stream) {
}
func (encoder *sliceEncoder) IsEmpty(ptr unsafe.Pointer) bool {
slice := (*sliceHeader)(ptr)
return slice.Len == 0
return encoder.sliceType.UnsafeLengthOf(ptr) == 0
}
type sliceDecoder struct {
@ -58,13 +57,6 @@ type sliceDecoder struct {
elemDecoder ValDecoder
}
// sliceHeader is a safe version of SliceHeader used within this package.
type sliceHeader struct {
Data unsafe.Pointer
Len int
Cap int
}
func (decoder *sliceDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) {
decoder.doDecode(ptr, iter)
if iter.Error != nil && iter.Error != io.EOF {