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Fix mapassign

This commit is contained in:
Masaaki Goshima 2021-08-30 11:40:10 +09:00
parent 8f5f28614c
commit 284c108638
1 changed files with 21 additions and 18 deletions
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39
internal/decoder/map.go
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@ -9,26 +9,29 @@ import (
) )
type mapDecoder struct { type mapDecoder struct {
mapType *runtime.Type mapType *runtime.Type
keyType *runtime.Type keyType *runtime.Type
valueType *runtime.Type valueType *runtime.Type
stringKeyType bool canUseAssignFaststrType bool
keyDecoder Decoder keyDecoder Decoder
valueDecoder Decoder valueDecoder Decoder
structName string structName string
fieldName string fieldName string
} }
func newMapDecoder(mapType *runtime.Type, keyType *runtime.Type, keyDec Decoder, valueType *runtime.Type, valueDec Decoder, structName, fieldName string) *mapDecoder { func newMapDecoder(mapType *runtime.Type, keyType *runtime.Type, keyDec Decoder, valueType *runtime.Type, valueDec Decoder, structName, fieldName string) *mapDecoder {
isStructIndirect := valueType.Kind() == reflect.Struct && runtime.IfaceIndir(valueType)
stringKeyType := keyType.Kind() == reflect.String
canUseAssignFaststrType := stringKeyType && !isStructIndirect
return &mapDecoder{ return &mapDecoder{
mapType: mapType, mapType: mapType,
keyDecoder: keyDec, keyDecoder: keyDec,
keyType: keyType, keyType: keyType,
stringKeyType: keyType.Kind() == reflect.String, canUseAssignFaststrType: canUseAssignFaststrType,
valueType: valueType, valueType: valueType,
valueDecoder: valueDec, valueDecoder: valueDec,
structName: structName, structName: structName,
fieldName: fieldName, fieldName: fieldName,
} }
} }
@ -45,8 +48,8 @@ func mapassign_faststr(t *runtime.Type, m unsafe.Pointer, s string) unsafe.Point
func mapassign(t *runtime.Type, m unsafe.Pointer, k, v unsafe.Pointer) func mapassign(t *runtime.Type, m unsafe.Pointer, k, v unsafe.Pointer)
func (d *mapDecoder) mapassign(t *runtime.Type, m, k, v unsafe.Pointer) { func (d *mapDecoder) mapassign(t *runtime.Type, m, k, v unsafe.Pointer) {
if d.stringKeyType { if d.canUseAssignFaststrType {
mapV := mapassign_faststr(d.mapType, m, *(*string)(k)) mapV := mapassign_faststr(t, m, *(*string)(k))
typedmemmove(d.valueType, mapV, v) typedmemmove(d.valueType, mapV, v)
} else { } else {
mapassign(t, m, k, v) mapassign(t, m, k, v)