go-json/decode_anonymous_field.go

38 lines
976 B
Go

package json
import (
"fmt"
"unsafe"
)
type anonymousFieldDecoder struct {
structType *rtype
offset uintptr
dec decoder
}
func newAnonymousFieldDecoder(structType *rtype, offset uintptr, dec decoder) *anonymousFieldDecoder {
return &anonymousFieldDecoder{
structType: structType,
offset: offset,
dec: dec,
}
}
func (d *anonymousFieldDecoder) decodeStream(s *stream, p unsafe.Pointer) error {
fmt.Println("called anonymous field decoder", *(*unsafe.Pointer)(p))
if *(*unsafe.Pointer)(p) == nil {
*(*unsafe.Pointer)(p) = unsafe_New(d.structType)
}
p = *(*unsafe.Pointer)(p)
return d.dec.decodeStream(s, unsafe.Pointer(uintptr(p)+d.offset))
}
func (d *anonymousFieldDecoder) decode(buf []byte, cursor int64, p unsafe.Pointer) (int64, error) {
if *(*unsafe.Pointer)(p) == nil {
*(*unsafe.Pointer)(p) = unsafe_New(d.structType)
}
p = *(*unsafe.Pointer)(p)
return d.dec.decode(buf, cursor, unsafe.Pointer(uintptr(p)+d.offset))
}