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Diffstat (limited to 'vendor/github.com/modern-go/reflect2/unsafe_array.go')
-rw-r--r--vendor/github.com/modern-go/reflect2/unsafe_array.go65
1 files changed, 65 insertions, 0 deletions
diff --git a/vendor/github.com/modern-go/reflect2/unsafe_array.go b/vendor/github.com/modern-go/reflect2/unsafe_array.go
new file mode 100644
index 000000000..76cbdba6e
--- /dev/null
+++ b/vendor/github.com/modern-go/reflect2/unsafe_array.go
@@ -0,0 +1,65 @@
+package reflect2
+
+import (
+ "reflect"
+ "unsafe"
+)
+
+type UnsafeArrayType struct {
+ unsafeType
+ elemRType unsafe.Pointer
+ pElemRType unsafe.Pointer
+ elemSize uintptr
+ likePtr bool
+}
+
+func newUnsafeArrayType(cfg *frozenConfig, type1 reflect.Type) *UnsafeArrayType {
+ return &UnsafeArrayType{
+ unsafeType: *newUnsafeType(cfg, type1),
+ elemRType: unpackEFace(type1.Elem()).data,
+ pElemRType: unpackEFace(reflect.PtrTo(type1.Elem())).data,
+ elemSize: type1.Elem().Size(),
+ likePtr: likePtrType(type1),
+ }
+}
+
+func (type2 *UnsafeArrayType) LikePtr() bool {
+ return type2.likePtr
+}
+
+func (type2 *UnsafeArrayType) Indirect(obj interface{}) interface{} {
+ objEFace := unpackEFace(obj)
+ assertType("Type.Indirect argument 1", type2.ptrRType, objEFace.rtype)
+ return type2.UnsafeIndirect(objEFace.data)
+}
+
+func (type2 *UnsafeArrayType) UnsafeIndirect(ptr unsafe.Pointer) interface{} {
+ if type2.likePtr {
+ return packEFace(type2.rtype, *(*unsafe.Pointer)(ptr))
+ }
+ return packEFace(type2.rtype, ptr)
+}
+
+func (type2 *UnsafeArrayType) SetIndex(obj interface{}, index int, elem interface{}) {
+ objEFace := unpackEFace(obj)
+ assertType("ArrayType.SetIndex argument 1", type2.ptrRType, objEFace.rtype)
+ elemEFace := unpackEFace(elem)
+ assertType("ArrayType.SetIndex argument 3", type2.pElemRType, elemEFace.rtype)
+ type2.UnsafeSetIndex(objEFace.data, index, elemEFace.data)
+}
+
+func (type2 *UnsafeArrayType) UnsafeSetIndex(obj unsafe.Pointer, index int, elem unsafe.Pointer) {
+ elemPtr := arrayAt(obj, index, type2.elemSize, "i < s.Len")
+ typedmemmove(type2.elemRType, elemPtr, elem)
+}
+
+func (type2 *UnsafeArrayType) GetIndex(obj interface{}, index int) interface{} {
+ objEFace := unpackEFace(obj)
+ assertType("ArrayType.GetIndex argument 1", type2.ptrRType, objEFace.rtype)
+ elemPtr := type2.UnsafeGetIndex(objEFace.data, index)
+ return packEFace(type2.pElemRType, elemPtr)
+}
+
+func (type2 *UnsafeArrayType) UnsafeGetIndex(obj unsafe.Pointer, index int) unsafe.Pointer {
+ return arrayAt(obj, index, type2.elemSize, "i < s.Len")
+}