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

86 lines
3.1 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 {
Arguments::Arguments(InternalCallbackInfoType callbackInfo) : callbackInfo_(callbackInfo) {}
Arguments::~Arguments() = default;
Local<Object> Arguments::thiz() const {
return qjs_interop::makeLocal<Value>(
qjs_backend::dupValue(callbackInfo_.thiz_, callbackInfo_.engine_->context_))
.asObject();
}
bool Arguments::hasThiz() const { return JS_IsObject(callbackInfo_.thiz_); }
size_t Arguments::size() const { return callbackInfo_.argc_; }
Local<Value> Arguments::operator[](size_t i) const {
if (i >= callbackInfo_.argc_) {
return {};
}
return qjs_interop::makeLocal<Value>(
qjs_backend::dupValue(callbackInfo_.argv_[i], callbackInfo_.engine_->context_));
}
ScriptEngine* Arguments::engine() const { return callbackInfo_.engine_; }
ScriptClass::ScriptClass(const script::Local<script::Object>& scriptObject) : internalState_() {
internalState_.engine = &qjs_backend::currentEngine();
// don't inc reference count, to pretend to be a weak ref
// while they are not exactly weak ref as defined.
// BUT, QuickJs calls finalize immediately, we can clear it there.
// see QjsEngine::initEngineResource
internalState_.weakRef_ = qjs_interop::peekLocal(scriptObject);
}
Local<Object> ScriptClass::getScriptObject() const {
if (JS_IsObject(internalState_.weakRef_)) {
return qjs_interop::makeLocal<Object>(
qjs_backend::dupValue(internalState_.weakRef_, internalState_.engine->context_));
}
throw Exception("can't getScriptObject in finalizer");
}
Local<Array> ScriptClass::getInternalStore() const {
if (JS_IsObject(internalState_.weakRef_)) {
auto context = internalState_.engine->context_;
JSAtom symbol = internalState_.engine->helperSymbolInternalStore_;
auto obj = internalState_.weakRef_;
auto store = JS_GetProperty(context, obj, symbol);
qjs_backend::checkException(store);
if (!JS_IsArray(context, store)) {
JS_FreeValue(context, store);
store = JS_NewArray(context);
qjs_backend::checkException(store);
qjs_backend::checkException(
JS_SetProperty(context, obj, symbol, JS_DupValue(context, store)));
}
return qjs_interop::makeLocal<Array>(store);
}
throw Exception("can't getScriptObject in finalizer");
}
ScriptEngine* ScriptClass::getScriptEngine() const { return internalState_.engine; }
ScriptClass::~ScriptClass() = default;
} // namespace script