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

69 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 "../../src/Native.hpp"
#include "WasmEngine.h"
#include "WasmReference.hpp"
namespace script {
Arguments::Arguments(InternalCallbackInfoType callbackInfo) : callbackInfo_(callbackInfo) {}
Arguments::~Arguments() = default;
Local<Object> Arguments::thiz() const {
if (!hasThiz()) {
throw Exception("arguments don't have 'this' argument");
}
return wasm_backend::WasmEngine::make<Local<Object>>(callbackInfo_.thiz_);
}
bool Arguments::hasThiz() const {
return wasm_backend::WasmEngine::make<Local<Value>>(callbackInfo_.thiz_).isObject();
}
size_t Arguments::size() const { return static_cast<size_t>(callbackInfo_.argsCount_); }
Local<Value> Arguments::operator[](size_t i) const {
if (i >= static_cast<size_t>(callbackInfo_.argsCount_)) {
return {};
}
return wasm_backend::WasmEngine::make<Local<Value>>(callbackInfo_.argsBase_ + i);
}
ScriptEngine* Arguments::engine() const { return callbackInfo_.engine_; }
ScriptClass::ScriptClass(const script::Local<script::Object>& scriptObject) : internalState_() {
internalState_.scriptEngine_ = &wasm_backend::currentEngine();
internalState_.weakRef_ = scriptObject;
}
Local<Object> ScriptClass::getScriptObject() const { return internalState_.weakRef_.get(); }
Local<Array> ScriptClass::getInternalStore() const {
int ret = wasm_backend::NativeHelper::getInternalStore(
wasm_backend::WasmEngine::refIndex(internalState_.weakRef_));
if (ret == -1) {
throw Exception("script object already destroyed");
}
return wasm_backend::WasmEngine::make<Local<Array>>(ret);
}
ScriptEngine* ScriptClass::getScriptEngine() const { return internalState_.scriptEngine_; }
ScriptClass::~ScriptClass() = default;
} // namespace script