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authorWim <wim@42.be>2021-10-16 23:11:32 +0200
committerWim <wim@42.be>2021-10-16 23:23:24 +0200
commit20f6c05ec50739d31f4dbe9fde0d223f2c43f6e8 (patch)
tree230edca06449a8d1755f08aabf45a03e07e6f17c /vendor/github.com/modern-go/reflect2/unsafe_field.go
parent57fce93af7f64f025cec6f3ed6088163086bc9fe (diff)
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Update vendor
Diffstat (limited to 'vendor/github.com/modern-go/reflect2/unsafe_field.go')
-rw-r--r--vendor/github.com/modern-go/reflect2/unsafe_field.go74
1 files changed, 74 insertions, 0 deletions
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 00000000..5eb53130
--- /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")
+}