Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 1 | package reflect2 |
| 2 | |
| 3 | import ( |
| 4 | "reflect" |
| 5 | "unsafe" |
| 6 | ) |
| 7 | |
| 8 | type UnsafePtrType struct { |
| 9 | unsafeType |
| 10 | } |
| 11 | |
| 12 | func newUnsafePtrType(cfg *frozenConfig, type1 reflect.Type) *UnsafePtrType { |
| 13 | return &UnsafePtrType{ |
| 14 | unsafeType: *newUnsafeType(cfg, type1), |
| 15 | } |
| 16 | } |
| 17 | |
| 18 | func (type2 *UnsafePtrType) IsNil(obj interface{}) bool { |
| 19 | if obj == nil { |
| 20 | return true |
| 21 | } |
| 22 | objEFace := unpackEFace(obj) |
| 23 | assertType("Type.IsNil argument 1", type2.ptrRType, objEFace.rtype) |
| 24 | return type2.UnsafeIsNil(objEFace.data) |
| 25 | } |
| 26 | |
| 27 | func (type2 *UnsafePtrType) UnsafeIsNil(ptr unsafe.Pointer) bool { |
| 28 | if ptr == nil { |
| 29 | return true |
| 30 | } |
| 31 | return *(*unsafe.Pointer)(ptr) == nil |
| 32 | } |
| 33 | |
| 34 | func (type2 *UnsafePtrType) LikePtr() bool { |
| 35 | return true |
| 36 | } |
| 37 | |
| 38 | func (type2 *UnsafePtrType) Indirect(obj interface{}) interface{} { |
| 39 | objEFace := unpackEFace(obj) |
| 40 | assertType("Type.Indirect argument 1", type2.ptrRType, objEFace.rtype) |
| 41 | return type2.UnsafeIndirect(objEFace.data) |
| 42 | } |
| 43 | |
| 44 | func (type2 *UnsafePtrType) UnsafeIndirect(ptr unsafe.Pointer) interface{} { |
| 45 | return packEFace(type2.rtype, *(*unsafe.Pointer)(ptr)) |
| 46 | } |