mirror of
https://github.com/quizhizhe/LiteLoaderBDS-1.16.40.git
synced 2025-06-07 20:28:10 +00:00
119 lines
3.0 KiB
C++
119 lines
3.0 KiB
C++
/*
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* Tencent is pleased to support the open source community by making ScriptX available.
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* Copyright (C) 2021 THL A29 Limited, a Tencent company. 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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#include <ScriptX/ScriptX.h>
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namespace script {
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namespace lua_backend {
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void ExceptionFields::fillMessage() const noexcept {
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if (!hasMessage_) {
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hasMessage_ = true;
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StackFrameScope stack;
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try {
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luaEnsureStack(currentLua(), 2);
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auto error = exception_.get();
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if (error.isObject()) {
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auto msg = error.asObject().get("message");
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if (!msg.isNull()) {
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message_ = msg.describeUtf8();
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return;
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}
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}
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if (!error.isNull()) {
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message_ = error.describeUtf8();
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} else {
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message_ = "unknown error";
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}
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} catch (const Exception&) {
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message_ = "unknown error";
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}
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}
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}
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void ExceptionFields::fillStacktrace() const noexcept {
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if (!hasStacktrace_) {
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hasStacktrace_ = true;
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StackFrameScope stackScope;
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try {
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luaEnsureStack(currentLua(), 2);
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auto error = exception_.get();
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if (error.isObject()) {
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auto stack = error.asObject().get("stack");
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if (!stack.isNull()) {
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stacktrace_ = stack.describeUtf8();
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}
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}
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} catch (const Exception&) {
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stacktrace_ = "[failed to get stacktrace]";
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}
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}
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}
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} // namespace lua_backend
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Exception::Exception(std::string message) : std::exception(), exception_() {
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exception_.message_ = std::move(message);
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exception_.hasMessage_ = true;
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}
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Exception::Exception(const script::Local<script::String>& message)
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: std::exception(), exception_() {
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exception_.exception_ = message;
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exception_.hasStacktrace_ = true;
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// get stacktrace
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#ifndef NDEBUG
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exception_.fillMessage();
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#endif
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}
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Exception::Exception(const script::Local<script::Value>& exception)
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: std::exception(), exception_({}) {
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exception_.exception_ = exception;
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}
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Local<Value> Exception::exception() const {
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if (exception_.exception_.isEmpty()) {
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exception_.exception_ = String::newString(exception_.message_);
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}
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return exception_.exception_.getValue();
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}
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std::string Exception::message() const noexcept {
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exception_.fillMessage();
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return exception_.message_;
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}
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std::string Exception::stacktrace() const noexcept {
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exception_.fillStacktrace();
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return exception_.stacktrace_;
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}
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const char* Exception::what() const noexcept {
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exception_.fillMessage();
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return exception_.message_.c_str();
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}
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} // namespace script
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