From 404aeae4545d2426c089a5f8d5e82dae56f5212b Mon Sep 17 00:00:00 2001 From: Rutger Broekhoff Date: Fri, 29 Dec 2023 21:31:53 +0100 Subject: Make Nix builds work --- .../github.com/modern-go/reflect2/unsafe_eface.go | 59 ++++++++++++++++++++++ 1 file changed, 59 insertions(+) create mode 100644 vendor/github.com/modern-go/reflect2/unsafe_eface.go (limited to 'vendor/github.com/modern-go/reflect2/unsafe_eface.go') diff --git a/vendor/github.com/modern-go/reflect2/unsafe_eface.go b/vendor/github.com/modern-go/reflect2/unsafe_eface.go new file mode 100644 index 0000000..805010f --- /dev/null +++ b/vendor/github.com/modern-go/reflect2/unsafe_eface.go @@ -0,0 +1,59 @@ +package reflect2 + +import ( + "reflect" + "unsafe" +) + +type eface struct { + rtype unsafe.Pointer + data unsafe.Pointer +} + +func unpackEFace(obj interface{}) *eface { + return (*eface)(unsafe.Pointer(&obj)) +} + +func packEFace(rtype unsafe.Pointer, data unsafe.Pointer) interface{} { + var i interface{} + e := (*eface)(unsafe.Pointer(&i)) + e.rtype = rtype + e.data = data + return i +} + +type UnsafeEFaceType struct { + unsafeType +} + +func newUnsafeEFaceType(cfg *frozenConfig, type1 reflect.Type) *UnsafeEFaceType { + return &UnsafeEFaceType{ + unsafeType: *newUnsafeType(cfg, type1), + } +} + +func (type2 *UnsafeEFaceType) IsNil(obj interface{}) bool { + if obj == nil { + return true + } + objEFace := unpackEFace(obj) + assertType("Type.IsNil argument 1", type2.ptrRType, objEFace.rtype) + return type2.UnsafeIsNil(objEFace.data) +} + +func (type2 *UnsafeEFaceType) UnsafeIsNil(ptr unsafe.Pointer) bool { + if ptr == nil { + return true + } + return unpackEFace(*(*interface{})(ptr)).data == nil +} + +func (type2 *UnsafeEFaceType) Indirect(obj interface{}) interface{} { + objEFace := unpackEFace(obj) + assertType("Type.Indirect argument 1", type2.ptrRType, objEFace.rtype) + return type2.UnsafeIndirect(objEFace.data) +} + +func (type2 *UnsafeEFaceType) UnsafeIndirect(ptr unsafe.Pointer) interface{} { + return *(*interface{})(ptr) +} -- cgit v1.2.3