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Diffstat (limited to 'vendor/github.com/modern-go/reflect2/unsafe_type.go')
-rw-r--r--vendor/github.com/modern-go/reflect2/unsafe_type.go85
1 files changed, 85 insertions, 0 deletions
diff --git a/vendor/github.com/modern-go/reflect2/unsafe_type.go b/vendor/github.com/modern-go/reflect2/unsafe_type.go
new file mode 100644
index 000000000..13941716c
--- /dev/null
+++ b/vendor/github.com/modern-go/reflect2/unsafe_type.go
@@ -0,0 +1,85 @@
+package reflect2
+
+import (
+ "reflect"
+ "unsafe"
+)
+
+type unsafeType struct {
+ safeType
+ rtype unsafe.Pointer
+ ptrRType unsafe.Pointer
+}
+
+func newUnsafeType(cfg *frozenConfig, type1 reflect.Type) *unsafeType {
+ return &unsafeType{
+ safeType: safeType{
+ Type: type1,
+ cfg: cfg,
+ },
+ rtype: unpackEFace(type1).data,
+ ptrRType: unpackEFace(reflect.PtrTo(type1)).data,
+ }
+}
+
+func (type2 *unsafeType) Set(obj interface{}, val interface{}) {
+ objEFace := unpackEFace(obj)
+ assertType("Type.Set argument 1", type2.ptrRType, objEFace.rtype)
+ valEFace := unpackEFace(val)
+ assertType("Type.Set argument 2", type2.ptrRType, valEFace.rtype)
+ type2.UnsafeSet(objEFace.data, valEFace.data)
+}
+
+func (type2 *unsafeType) UnsafeSet(ptr unsafe.Pointer, val unsafe.Pointer) {
+ typedmemmove(type2.rtype, ptr, val)
+}
+
+func (type2 *unsafeType) IsNil(obj interface{}) bool {
+ objEFace := unpackEFace(obj)
+ assertType("Type.IsNil argument 1", type2.ptrRType, objEFace.rtype)
+ return type2.UnsafeIsNil(objEFace.data)
+}
+
+func (type2 *unsafeType) UnsafeIsNil(ptr unsafe.Pointer) bool {
+ return ptr == nil
+}
+
+func (type2 *unsafeType) UnsafeNew() unsafe.Pointer {
+ return unsafe_New(type2.rtype)
+}
+
+func (type2 *unsafeType) New() interface{} {
+ return packEFace(type2.ptrRType, type2.UnsafeNew())
+}
+
+func (type2 *unsafeType) PackEFace(ptr unsafe.Pointer) interface{} {
+ return packEFace(type2.ptrRType, ptr)
+}
+
+func (type2 *unsafeType) RType() uintptr {
+ return uintptr(type2.rtype)
+}
+
+func (type2 *unsafeType) Indirect(obj interface{}) interface{} {
+ objEFace := unpackEFace(obj)
+ assertType("Type.Indirect argument 1", type2.ptrRType, objEFace.rtype)
+ return type2.UnsafeIndirect(objEFace.data)
+}
+
+func (type2 *unsafeType) UnsafeIndirect(obj unsafe.Pointer) interface{} {
+ return packEFace(type2.rtype, obj)
+}
+
+func (type2 *unsafeType) LikePtr() bool {
+ return false
+}
+
+func assertType(where string, expectRType unsafe.Pointer, actualRType unsafe.Pointer) {
+ if expectRType != actualRType {
+ expectType := reflect.TypeOf(0)
+ (*iface)(unsafe.Pointer(&expectType)).data = expectRType
+ actualType := reflect.TypeOf(0)
+ (*iface)(unsafe.Pointer(&actualType)).data = actualRType
+ panic(where + ": expect " + expectType.String() + ", actual " + actualType.String())
+ }
+}