1package reflect2 2 3import ( 4 "reflect" 5 "unsafe" 6) 7 8type UnsafeArrayType struct { 9 unsafeType 10 elemRType unsafe.Pointer 11 pElemRType unsafe.Pointer 12 elemSize uintptr 13 likePtr bool 14} 15 16func newUnsafeArrayType(cfg *frozenConfig, type1 reflect.Type) *UnsafeArrayType { 17 return &UnsafeArrayType{ 18 unsafeType: *newUnsafeType(cfg, type1), 19 elemRType: unpackEFace(type1.Elem()).data, 20 pElemRType: unpackEFace(reflect.PtrTo(type1.Elem())).data, 21 elemSize: type1.Elem().Size(), 22 likePtr: likePtrType(type1), 23 } 24} 25 26func (type2 *UnsafeArrayType) LikePtr() bool { 27 return type2.likePtr 28} 29 30func (type2 *UnsafeArrayType) Indirect(obj interface{}) interface{} { 31 objEFace := unpackEFace(obj) 32 assertType("Type.Indirect argument 1", type2.ptrRType, objEFace.rtype) 33 return type2.UnsafeIndirect(objEFace.data) 34} 35 36func (type2 *UnsafeArrayType) UnsafeIndirect(ptr unsafe.Pointer) interface{} { 37 if type2.likePtr { 38 return packEFace(type2.rtype, *(*unsafe.Pointer)(ptr)) 39 } 40 return packEFace(type2.rtype, ptr) 41} 42 43func (type2 *UnsafeArrayType) SetIndex(obj interface{}, index int, elem interface{}) { 44 objEFace := unpackEFace(obj) 45 assertType("ArrayType.SetIndex argument 1", type2.ptrRType, objEFace.rtype) 46 elemEFace := unpackEFace(elem) 47 assertType("ArrayType.SetIndex argument 3", type2.pElemRType, elemEFace.rtype) 48 type2.UnsafeSetIndex(objEFace.data, index, elemEFace.data) 49} 50 51func (type2 *UnsafeArrayType) UnsafeSetIndex(obj unsafe.Pointer, index int, elem unsafe.Pointer) { 52 elemPtr := arrayAt(obj, index, type2.elemSize, "i < s.Len") 53 typedmemmove(type2.elemRType, elemPtr, elem) 54} 55 56func (type2 *UnsafeArrayType) GetIndex(obj interface{}, index int) interface{} { 57 objEFace := unpackEFace(obj) 58 assertType("ArrayType.GetIndex argument 1", type2.ptrRType, objEFace.rtype) 59 elemPtr := type2.UnsafeGetIndex(objEFace.data, index) 60 return packEFace(type2.pElemRType, elemPtr) 61} 62 63func (type2 *UnsafeArrayType) UnsafeGetIndex(obj unsafe.Pointer, index int) unsafe.Pointer { 64 return arrayAt(obj, index, type2.elemSize, "i < s.Len") 65} 66