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_field.go | 74 ++++++++++++++++++++++ 1 file changed, 74 insertions(+) create mode 100644 vendor/github.com/modern-go/reflect2/unsafe_field.go (limited to 'vendor/github.com/modern-go/reflect2/unsafe_field.go') diff --git a/vendor/github.com/modern-go/reflect2/unsafe_field.go b/vendor/github.com/modern-go/reflect2/unsafe_field.go new file mode 100644 index 0000000..5eb5313 --- /dev/null +++ b/vendor/github.com/modern-go/reflect2/unsafe_field.go @@ -0,0 +1,74 @@ +package reflect2 + +import ( + "reflect" + "unsafe" +) + +type UnsafeStructField struct { + reflect.StructField + structType *UnsafeStructType + rtype unsafe.Pointer + ptrRType unsafe.Pointer +} + +func newUnsafeStructField(structType *UnsafeStructType, structField reflect.StructField) *UnsafeStructField { + return &UnsafeStructField{ + StructField: structField, + rtype: unpackEFace(structField.Type).data, + ptrRType: unpackEFace(reflect.PtrTo(structField.Type)).data, + structType: structType, + } +} + +func (field *UnsafeStructField) Offset() uintptr { + return field.StructField.Offset +} + +func (field *UnsafeStructField) Name() string { + return field.StructField.Name +} + +func (field *UnsafeStructField) PkgPath() string { + return field.StructField.PkgPath +} + +func (field *UnsafeStructField) Type() Type { + return field.structType.cfg.Type2(field.StructField.Type) +} + +func (field *UnsafeStructField) Tag() reflect.StructTag { + return field.StructField.Tag +} + +func (field *UnsafeStructField) Index() []int { + return field.StructField.Index +} + +func (field *UnsafeStructField) Anonymous() bool { + return field.StructField.Anonymous +} + +func (field *UnsafeStructField) Set(obj interface{}, value interface{}) { + objEFace := unpackEFace(obj) + assertType("StructField.SetIndex argument 1", field.structType.ptrRType, objEFace.rtype) + valueEFace := unpackEFace(value) + assertType("StructField.SetIndex argument 2", field.ptrRType, valueEFace.rtype) + field.UnsafeSet(objEFace.data, valueEFace.data) +} + +func (field *UnsafeStructField) UnsafeSet(obj unsafe.Pointer, value unsafe.Pointer) { + fieldPtr := add(obj, field.StructField.Offset, "same as non-reflect &v.field") + typedmemmove(field.rtype, fieldPtr, value) +} + +func (field *UnsafeStructField) Get(obj interface{}) interface{} { + objEFace := unpackEFace(obj) + assertType("StructField.GetIndex argument 1", field.structType.ptrRType, objEFace.rtype) + value := field.UnsafeGet(objEFace.data) + return packEFace(field.ptrRType, value) +} + +func (field *UnsafeStructField) UnsafeGet(obj unsafe.Pointer) unsafe.Pointer { + return add(obj, field.StructField.Offset, "same as non-reflect &v.field") +} -- cgit v1.2.3