From 20f6c05ec50739d31f4dbe9fde0d223f2c43f6e8 Mon Sep 17 00:00:00 2001 From: Wim Date: Sat, 16 Oct 2021 23:11:32 +0200 Subject: Update vendor --- vendor/github.com/modern-go/reflect2/safe_map.go | 101 +++++++++++++++++++++++ 1 file changed, 101 insertions(+) create mode 100644 vendor/github.com/modern-go/reflect2/safe_map.go (limited to 'vendor/github.com/modern-go/reflect2/safe_map.go') diff --git a/vendor/github.com/modern-go/reflect2/safe_map.go b/vendor/github.com/modern-go/reflect2/safe_map.go new file mode 100644 index 00000000..88362205 --- /dev/null +++ b/vendor/github.com/modern-go/reflect2/safe_map.go @@ -0,0 +1,101 @@ +package reflect2 + +import ( + "reflect" + "unsafe" +) + +type safeMapType struct { + safeType +} + +func (type2 *safeMapType) Key() Type { + return type2.safeType.cfg.Type2(type2.Type.Key()) +} + +func (type2 *safeMapType) MakeMap(cap int) interface{} { + ptr := reflect.New(type2.Type) + ptr.Elem().Set(reflect.MakeMap(type2.Type)) + return ptr.Interface() +} + +func (type2 *safeMapType) UnsafeMakeMap(cap int) unsafe.Pointer { + panic("does not support unsafe operation") +} + +func (type2 *safeMapType) SetIndex(obj interface{}, key interface{}, elem interface{}) { + keyVal := reflect.ValueOf(key) + elemVal := reflect.ValueOf(elem) + val := reflect.ValueOf(obj) + val.Elem().SetMapIndex(keyVal.Elem(), elemVal.Elem()) +} + +func (type2 *safeMapType) UnsafeSetIndex(obj unsafe.Pointer, key unsafe.Pointer, elem unsafe.Pointer) { + panic("does not support unsafe operation") +} + +func (type2 *safeMapType) TryGetIndex(obj interface{}, key interface{}) (interface{}, bool) { + keyVal := reflect.ValueOf(key) + if key == nil { + keyVal = reflect.New(type2.Type.Key()).Elem() + } + val := reflect.ValueOf(obj).MapIndex(keyVal) + if !val.IsValid() { + return nil, false + } + return val.Interface(), true +} + +func (type2 *safeMapType) GetIndex(obj interface{}, key interface{}) interface{} { + val := reflect.ValueOf(obj).Elem() + keyVal := reflect.ValueOf(key).Elem() + elemVal := val.MapIndex(keyVal) + if !elemVal.IsValid() { + ptr := reflect.New(reflect.PtrTo(val.Type().Elem())) + return ptr.Elem().Interface() + } + ptr := reflect.New(elemVal.Type()) + ptr.Elem().Set(elemVal) + return ptr.Interface() +} + +func (type2 *safeMapType) UnsafeGetIndex(obj unsafe.Pointer, key unsafe.Pointer) unsafe.Pointer { + panic("does not support unsafe operation") +} + +func (type2 *safeMapType) Iterate(obj interface{}) MapIterator { + m := reflect.ValueOf(obj).Elem() + return &safeMapIterator{ + m: m, + keys: m.MapKeys(), + } +} + +func (type2 *safeMapType) UnsafeIterate(obj unsafe.Pointer) MapIterator { + panic("does not support unsafe operation") +} + +type safeMapIterator struct { + i int + m reflect.Value + keys []reflect.Value +} + +func (iter *safeMapIterator) HasNext() bool { + return iter.i != len(iter.keys) +} + +func (iter *safeMapIterator) Next() (interface{}, interface{}) { + key := iter.keys[iter.i] + elem := iter.m.MapIndex(key) + iter.i += 1 + keyPtr := reflect.New(key.Type()) + keyPtr.Elem().Set(key) + elemPtr := reflect.New(elem.Type()) + elemPtr.Elem().Set(elem) + return keyPtr.Interface(), elemPtr.Interface() +} + +func (iter *safeMapIterator) UnsafeNext() (unsafe.Pointer, unsafe.Pointer) { + panic("does not support unsafe operation") +} -- cgit v1.2.3