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1 package reflect2
2
3 import (
4 "reflect"
5 "unsafe"
6 )
7
8 type unsafeType struct {
9 safeType
10 rtype unsafe.Pointer
11 ptrRType unsafe.Pointer
12 }
13
14 func newUnsafeType(cfg *frozenConfig, type1 reflect.Type) *unsafeType {
15 return &unsafeType{
16 safeType: safeType{
17 Type: type1,
18 cfg: cfg,
19 },
20 rtype: unpackEFace(type1).data,
21 ptrRType: unpackEFace(reflect.PtrTo(type1)).data,
22 }
23 }
24
25 func (type2 *unsafeType) Set(obj interface{}, val interface{}) {
26 objEFace := unpackEFace(obj)
27 assertType("Type.Set argument 1", type2.ptrRType, objEFace.rtype)
28 valEFace := unpackEFace(val)
29 assertType("Type.Set argument 2", type2.ptrRType, valEFace.rtype)
30 type2.UnsafeSet(objEFace.data, valEFace.data)
31 }
32
33 func (type2 *unsafeType) UnsafeSet(ptr unsafe.Pointer, val unsafe.Pointer) {
34 typedmemmove(type2.rtype, ptr, val)
35 }
36
37 func (type2 *unsafeType) IsNil(obj interface{}) bool {
38 objEFace := unpackEFace(obj)
39 assertType("Type.IsNil argument 1", type2.ptrRType, objEFace.rtype)
40 return type2.UnsafeIsNil(objEFace.data)
41 }
42
43 func (type2 *unsafeType) UnsafeIsNil(ptr unsafe.Pointer) bool {
44 return ptr == nil
45 }
46
47 func (type2 *unsafeType) UnsafeNew() unsafe.Pointer {
48 return unsafe_New(type2.rtype)
49 }
50
51 func (type2 *unsafeType) New() interface{} {
52 return packEFace(type2.ptrRType, type2.UnsafeNew())
53 }
54
55 func (type2 *unsafeType) PackEFace(ptr unsafe.Pointer) interface{} {
56 return packEFace(type2.ptrRType, ptr)
57 }
58
59 func (type2 *unsafeType) RType() uintptr {
60 return uintptr(type2.rtype)
61 }
62
63 func (type2 *unsafeType) Indirect(obj interface{}) interface{} {
64 objEFace := unpackEFace(obj)
65 assertType("Type.Indirect argument 1", type2.ptrRType, objEFace.rtype)
66 return type2.UnsafeIndirect(objEFace.data)
67 }
68
69 func (type2 *unsafeType) UnsafeIndirect(obj unsafe.Pointer) interface{} {
70 return packEFace(type2.rtype, obj)
71 }
72
73 func (type2 *unsafeType) LikePtr() bool {
74 return false
75 }
76
77 func assertType(where string, expectRType unsafe.Pointer, actualRType unsafe.Pointer) {
78 if expectRType != actualRType {
79 expectType := reflect.TypeOf(0)
80 (*iface)(unsafe.Pointer(&expectType)).data = expectRType
81 actualType := reflect.TypeOf(0)
82 (*iface)(unsafe.Pointer(&actualType)).data = actualRType
83 panic(where + ": expect " + expectType.String() + ", actual " + actualType.String())
84 }
85 }
86
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