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go/src/themaru/vendor/github.com/modern-go/reflect2/unsafe_field.go 2.09 KB
476d2547e   김태훈   태마루 시스템 설정 / 업데이트...
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  package reflect2
  
  import (
  	"reflect"
  	"unsafe"
  )
  
  type UnsafeStructField struct {
  	reflect.StructField
  	structType *UnsafeStructType
  	rtype      unsafe.Pointer
  	ptrRType   unsafe.Pointer
  }
  
  func newUnsafeStructField(structType *UnsafeStructType, structField reflect.StructField) *UnsafeStructField {
  	return &UnsafeStructField{
  		StructField: structField,
  		rtype:       unpackEFace(structField.Type).data,
  		ptrRType:    unpackEFace(reflect.PtrTo(structField.Type)).data,
  		structType:  structType,
  	}
  }
  
  func (field *UnsafeStructField) Offset() uintptr {
  	return field.StructField.Offset
  }
  
  func (field *UnsafeStructField) Name() string {
  	return field.StructField.Name
  }
  
  func (field *UnsafeStructField) PkgPath() string {
  	return field.StructField.PkgPath
  }
  
  func (field *UnsafeStructField) Type() Type {
  	return field.structType.cfg.Type2(field.StructField.Type)
  }
  
  func (field *UnsafeStructField) Tag() reflect.StructTag {
  	return field.StructField.Tag
  }
  
  func (field *UnsafeStructField) Index() []int {
  	return field.StructField.Index
  }
  
  func (field *UnsafeStructField) Anonymous() bool {
  	return field.StructField.Anonymous
  }
  
  func (field *UnsafeStructField) Set(obj interface{}, value interface{}) {
  	objEFace := unpackEFace(obj)
  	assertType("StructField.SetIndex argument 1", field.structType.ptrRType, objEFace.rtype)
  	valueEFace := unpackEFace(value)
  	assertType("StructField.SetIndex argument 2", field.ptrRType, valueEFace.rtype)
  	field.UnsafeSet(objEFace.data, valueEFace.data)
  }
  
  func (field *UnsafeStructField) UnsafeSet(obj unsafe.Pointer, value unsafe.Pointer) {
  	fieldPtr := add(obj, field.StructField.Offset, "same as non-reflect &v.field")
  	typedmemmove(field.rtype, fieldPtr, value)
  }
  
  func (field *UnsafeStructField) Get(obj interface{}) interface{} {
  	objEFace := unpackEFace(obj)
  	assertType("StructField.GetIndex argument 1", field.structType.ptrRType, objEFace.rtype)
  	value := field.UnsafeGet(objEFace.data)
  	return packEFace(field.ptrRType, value)
  }
  
  func (field *UnsafeStructField) UnsafeGet(obj unsafe.Pointer) unsafe.Pointer {
  	return add(obj, field.StructField.Offset, "same as non-reflect &v.field")
  }