157 lines
3.4 KiB
Go
157 lines
3.4 KiB
Go
/*
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* Copyright (c) 2024 The GoPlus Authors (goplus.org). All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package runtime
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import (
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"unsafe"
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"github.com/goplus/llgo/c/bitcast"
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"github.com/goplus/llgo/internal/abi"
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)
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type errorString string
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func (e errorString) RuntimeError() {}
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func (e errorString) Error() string {
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return "runtime error: " + string(e)
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}
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type plainError string
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func (e plainError) Error() string {
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return string(e)
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}
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func AssertRuntimeError(b bool, msg string) {
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if b {
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panic(errorString(msg).Error())
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}
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}
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func AssertNegativeShift(b bool) {
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if b {
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panic(errorString("negative shift amount").Error())
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}
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}
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func AssertIndexRange(b bool) {
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if b {
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panic(errorString("index out of range").Error())
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}
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}
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// printany prints an argument passed to panic.
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// If panic is called with a value that has a String or Error method,
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// it has already been converted into a string by preprintpanics.
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func printany(i any) {
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switch v := i.(type) {
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case nil:
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print("nil")
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case bool:
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print(v)
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case int:
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print(v)
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case int8:
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print(v)
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case int16:
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print(v)
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case int32:
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print(v)
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case int64:
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print(v)
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case uint:
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print(v)
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case uint8:
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print(v)
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case uint16:
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print(v)
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case uint32:
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print(v)
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case uint64:
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print(v)
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case uintptr:
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print(v)
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case float32:
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print(v)
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case float64:
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print(v)
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case complex64:
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print(v)
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case complex128:
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print(v)
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case string:
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print(v)
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case error:
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print(v.Error())
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case interface{ String() string }:
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print(v.String())
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default:
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printanycustomtype(i)
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}
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}
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func efaceOf(ep *any) *eface {
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return (*eface)(unsafe.Pointer(ep))
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}
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func printanycustomtype(i any) {
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e := efaceOf(&i)
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typestring := e._type.String()
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switch e._type.Kind() {
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case abi.String:
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print(typestring, `("`, *(*string)(e.data), `")`)
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case abi.Bool:
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if isDirectIface(e._type) {
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print(typestring, "(", uintptr(e.data) != 0, ")")
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} else {
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print(typestring, "(", *(*bool)(e.data), ")")
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}
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case abi.Int, abi.Int8, abi.Int16, abi.Int32, abi.Int64:
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if isDirectIface(e._type) {
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print(typestring, "(", int64(uintptr(e.data)), ")")
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} else {
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print(typestring, "(", *(*int64)(e.data), ")")
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}
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case abi.Uint, abi.Uint8, abi.Uint16, abi.Uint32, abi.Uint64, abi.Uintptr:
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if isDirectIface(e._type) {
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print(typestring, "(", uint64(uintptr(e.data)), ")")
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} else {
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print(typestring, "(", *(*uint64)(e.data), ")")
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}
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case abi.Float32:
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if isDirectIface(e._type) {
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print(typestring, "(", bitcast.ToFloat32((uintptr(e.data))), ")")
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} else {
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print(typestring, "(", *(*float32)(e.data), ")")
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}
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case abi.Float64:
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if isDirectIface(e._type) {
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print(typestring, "(", bitcast.ToFloat64(uintptr(e.data)), ")")
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} else {
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print(typestring, "(", *(*float64)(e.data), ")")
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}
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case abi.Complex64:
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println(typestring, *(*complex64)(e.data))
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case abi.Complex128:
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println(typestring, *(*complex128)(e.data))
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default:
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print("(", typestring, ") ", e.data)
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}
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}
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