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_iface.go | 64 ++++++++++++++++++++++ 1 file changed, 64 insertions(+) create mode 100644 vendor/github.com/modern-go/reflect2/unsafe_iface.go (limited to 'vendor/github.com/modern-go/reflect2/unsafe_iface.go') diff --git a/vendor/github.com/modern-go/reflect2/unsafe_iface.go b/vendor/github.com/modern-go/reflect2/unsafe_iface.go new file mode 100644 index 0000000..b601955 --- /dev/null +++ b/vendor/github.com/modern-go/reflect2/unsafe_iface.go @@ -0,0 +1,64 @@ +package reflect2 + +import ( + "reflect" + "unsafe" +) + +type iface struct { + itab *itab + data unsafe.Pointer +} + +type itab struct { + ignore unsafe.Pointer + rtype unsafe.Pointer +} + +func IFaceToEFace(ptr unsafe.Pointer) interface{} { + iface := (*iface)(ptr) + if iface.itab == nil { + return nil + } + return packEFace(iface.itab.rtype, iface.data) +} + +type UnsafeIFaceType struct { + unsafeType +} + +func newUnsafeIFaceType(cfg *frozenConfig, type1 reflect.Type) *UnsafeIFaceType { + return &UnsafeIFaceType{ + unsafeType: *newUnsafeType(cfg, type1), + } +} + +func (type2 *UnsafeIFaceType) Indirect(obj interface{}) interface{} { + objEFace := unpackEFace(obj) + assertType("Type.Indirect argument 1", type2.ptrRType, objEFace.rtype) + return type2.UnsafeIndirect(objEFace.data) +} + +func (type2 *UnsafeIFaceType) UnsafeIndirect(ptr unsafe.Pointer) interface{} { + return IFaceToEFace(ptr) +} + +func (type2 *UnsafeIFaceType) 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 *UnsafeIFaceType) UnsafeIsNil(ptr unsafe.Pointer) bool { + if ptr == nil { + return true + } + iface := (*iface)(ptr) + if iface.itab == nil { + return true + } + return false +} -- cgit v1.2.3