/*

 * Copyright (c) 2021 Huawei Device Co., Ltd.

 * 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.

 */

#ifndef USCRIPT_FUNCTION_H

#define USCRIPT_FUNCTION_H



#include <vector>

#include "script_context.h"

#include "script_statement.h"



namespace Uscript {

class UScriptStatementList;

class ScriptParams;



class ScriptFunction {

public:

    static ScriptFunction* CreateInstance(std::string &identifier, ScriptParams *params,

        UScriptStatementList *list)

    {

        return new ScriptFunction(identifier, params, list);

    }



public:

    ScriptFunction(std::string& functionName, ScriptParams *params, UScriptStatementList *list)

        : functionName_(functionName), params_(params), statements_(list)

    {

    }

    ~ScriptFunction();

    const std::string GetFunctionName()

    {

        return functionName_;

    }

    UScriptValuePtr Execute(ScriptInterpreter &inter, UScriptContextPtr local, ScriptParams *params);



private:

    std::vector<std::string> GetParamNames(ScriptInterpreter &inter, UScriptContextPtr context) const;

    std::string functionName_;

    ScriptParams* params_ = nullptr;

    UScriptStatementList* statements_ = nullptr;

};

} // namespace Uscript

#endif // USCRIPT_FUNCTION_H