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74 lines
2.1 KiB
74 lines
2.1 KiB
package reflect2 |
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import ( |
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"reflect" |
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"unsafe" |
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) |
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type UnsafeStructField struct { |
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reflect.StructField |
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structType *UnsafeStructType |
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rtype unsafe.Pointer |
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ptrRType unsafe.Pointer |
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} |
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func newUnsafeStructField(structType *UnsafeStructType, structField reflect.StructField) *UnsafeStructField { |
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return &UnsafeStructField{ |
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StructField: structField, |
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rtype: unpackEFace(structField.Type).data, |
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ptrRType: unpackEFace(reflect.PtrTo(structField.Type)).data, |
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structType: structType, |
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} |
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} |
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func (field *UnsafeStructField) Offset() uintptr { |
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return field.StructField.Offset |
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} |
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func (field *UnsafeStructField) Name() string { |
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return field.StructField.Name |
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} |
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func (field *UnsafeStructField) PkgPath() string { |
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return field.StructField.PkgPath |
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} |
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func (field *UnsafeStructField) Type() Type { |
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return field.structType.cfg.Type2(field.StructField.Type) |
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} |
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func (field *UnsafeStructField) Tag() reflect.StructTag { |
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return field.StructField.Tag |
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} |
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func (field *UnsafeStructField) Index() []int { |
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return field.StructField.Index |
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} |
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func (field *UnsafeStructField) Anonymous() bool { |
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return field.StructField.Anonymous |
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} |
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func (field *UnsafeStructField) Set(obj interface{}, value interface{}) { |
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objEFace := unpackEFace(obj) |
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assertType("StructField.SetIndex argument 1", field.structType.ptrRType, objEFace.rtype) |
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valueEFace := unpackEFace(value) |
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assertType("StructField.SetIndex argument 2", field.ptrRType, valueEFace.rtype) |
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field.UnsafeSet(objEFace.data, valueEFace.data) |
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} |
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func (field *UnsafeStructField) UnsafeSet(obj unsafe.Pointer, value unsafe.Pointer) { |
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fieldPtr := add(obj, field.StructField.Offset, "same as non-reflect &v.field") |
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typedmemmove(field.rtype, fieldPtr, value) |
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} |
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func (field *UnsafeStructField) Get(obj interface{}) interface{} { |
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objEFace := unpackEFace(obj) |
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assertType("StructField.GetIndex argument 1", field.structType.ptrRType, objEFace.rtype) |
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value := field.UnsafeGet(objEFace.data) |
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return packEFace(field.ptrRType, value) |
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} |
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func (field *UnsafeStructField) UnsafeGet(obj unsafe.Pointer) unsafe.Pointer { |
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return add(obj, field.StructField.Offset, "same as non-reflect &v.field") |
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}
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