LiteLoaderBDS-1.16.40/Tools/ScriptX/backend/QuickJs/QjsException.cc
2023-03-03 10:18:21 -08:00

81 lines
2.4 KiB
C++

/*
* Tencent is pleased to support the open source community by making ScriptX available.
* Copyright (C) 2021 THL A29 Limited, a Tencent company. 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.
*/
#include <ScriptX/ScriptX.h>
namespace script {
namespace qjs_backend {
void ExceptionFields::fillMessage() const {
if (!hasMessage_) {
hasMessage_ = true;
try {
auto exp = exception_.get().asObject();
message_ = exp.get("message").asString().toString();
} catch (Exception&) {
message_ = "[another exception in message()]";
}
}
}
} // namespace qjs_backend
Exception::Exception(std::string msg) : std::exception(), exception_() {
exception_.message_ = std::move(msg);
exception_.hasMessage_ = true;
}
Exception::Exception(const script::Local<script::String>& message)
: std::exception(), exception_() {
exception_.message_ = message.toString();
exception_.hasMessage_ = true;
}
Exception::Exception(const script::Local<script::Value>& exception)
: std::exception(), exception_() {
exception_.exception_ = exception;
}
Local<Value> Exception::exception() const {
if (exception_.exception_.isEmpty()) {
auto context = qjs_backend::currentContext();
JS_ThrowReferenceError(context, "%s", message().c_str());
exception_.exception_ = qjs_interop::makeLocal<Value>(JS_GetException(context));
}
return exception_.exception_.getValue();
}
std::string Exception::message() const noexcept {
exception_.fillMessage();
return exception_.message_;
}
std::string Exception::stacktrace() const noexcept {
try {
return exception().asObject().get("stack").asString().toString();
} catch (Exception&) {
return "[failed to obtain stacktrace]";
}
}
const char* Exception::what() const noexcept {
exception_.fillMessage();
return exception_.message_.c_str();
}
} // namespace script