Files
llgo/internal/runtime/z_eface.go
2024-05-22 13:47:21 +08:00

71 lines
1.6 KiB
Go

/*
* Copyright (c) 2024 The GoPlus Authors (goplus.org). All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package runtime
import (
"unsafe"
"github.com/goplus/llgo/internal/abi"
)
type Eface = eface
// -----------------------------------------------------------------------------
func MakeAnyIntptr(typ *Type, data uintptr) Eface {
return eface{
_type: typ, data: unsafe.Pointer(data),
}
}
func MakeAnyString(data string) Eface {
typ := basicTypes[abi.String]
return eface{
_type: typ, data: unsafe.Pointer(&data),
}
}
func I2Int(v Eface, t *Type) uintptr {
if v._type == t {
return uintptr(v.data)
}
panic("I2Int: type mismatch")
}
func CheckI2Int(v Eface, t *Type) (uintptr, bool) {
if v._type == t {
return uintptr(v.data), true
}
return 0, false
}
func I2String(v Eface) string {
if v._type.Kind() == abi.String {
return *(*string)(v.data)
}
panic("I2String: type mismatch")
}
func CheckI2String(v Eface) (string, bool) {
if v._type.Kind() == abi.String {
return *(*string)(v.data), true
}
return "", false
}
// -----------------------------------------------------------------------------