LiteLoaderBDS-1.16.40/Tools/ScriptX/backend/V8/V8Native.cc
2023-03-03 10:18:21 -08:00

93 lines
3.3 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 "V8Native.hpp"
#include "../../src/Native.h"
#include "../../src/Reference.h"
#include "../../src/Value.h"
#include "V8Engine.h"
#include "V8Reference.hpp"
namespace script {
Arguments::Arguments(script::Arguments::InternalCallbackInfoType callbackInfo)
: callbackInfo_(std::move(callbackInfo)) {}
Arguments::~Arguments() = default;
Local<Object> Arguments::thiz() const {
return v8_backend::V8Engine::make<Local<Value>>(callbackInfo_.second.This()).asObject();
}
bool Arguments::hasThiz() const {
auto value = v8_backend::V8Engine::make<Local<Value>>(callbackInfo_.second.This());
return value.isObject();
}
size_t Arguments::size() const { return callbackInfo_.second.Length(); }
Local<Value> Arguments::operator[](size_t i) const {
return v8_backend::V8Engine::make<Local<Value>>(callbackInfo_.second[static_cast<int>(i)]);
}
ScriptEngine* Arguments::engine() const { return callbackInfo_.first; }
ScriptClass::ScriptClass(const Local<Object>& scriptObject) : internalState_() {
auto engine = &v8_backend::currentEngineChecked();
internalState_.scriptEngine_ = engine;
internalState_.weakRef_.Reset(engine->isolate_,
v8_backend::V8Engine::toV8(engine->isolate_, scriptObject));
internalState_.weakRef_.SetWeak();
}
Local<Object> ScriptClass::getScriptObject() const {
Local<Value> obj;
if (!internalState_.weakRef_.IsEmpty()) {
obj = v8_backend::V8Engine::make<Local<Object>>(
internalState_.weakRef_.Get(internalState_.scriptEngine_->isolate_));
}
return obj.asObject();
}
Local<Array> ScriptClass::getInternalStore() const {
auto v8Engine = getScriptEngineAs<v8_backend::V8Engine>();
auto context = v8Engine->context_.Get(v8Engine->isolate_);
v8::Local<v8::Value> key = v8Engine->internalStoreSymbol_.Get(v8Engine->isolate_);
auto thiz = v8_backend::V8Engine::toV8(v8Engine->isolate_, getScriptObject());
auto array = thiz->Get(context, key);
if (array.IsEmpty() || !array.ToLocalChecked()->IsArray()) {
auto store = Array::newArray();
v8::TryCatch tryCatch(v8Engine->isolate_);
auto success = thiz->Set(context, key, v8_backend::V8Engine::toV8(v8Engine->isolate_, store));
v8_backend::checkException(tryCatch);
(void)success;
return store;
}
return v8_backend::V8Engine::make<Local<Array>>(array.ToLocalChecked().As<v8::Array>());
}
ScriptEngine* ScriptClass::getScriptEngine() const { return internalState_.scriptEngine_; }
ScriptClass::~ScriptClass() {
EngineScope scope(internalState_.scriptEngine_);
internalState_.weakRef_.Reset();
}
} // namespace script