luascript.h

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

/*
 * This code is based on Broken Sword 2.5 engine
 *
 * Copyright (c) Malte Thiesen, Daniel Queteschiner and Michael Elsdoerfer
 *
 * Licensed under GNU GPL v2
 *
 */

#ifndef SWORD25_LUASCRIPT_H
#define SWORD25_LUASCRIPT_H

#include "common/str.h"
#include "common/str-array.h"
#include "sword25/kernel/common.h"
#include "sword25/script/script.h"

struct lua_State;

namespace Sword25 {

class Kernel;

class LuaScriptEngine : public ScriptEngine {
public:
    LuaScriptEngine(Kernel *KernelPtr);
    ~LuaScriptEngine() override;

    bool init() override;

    bool executeFile(const Common::String &fileName) override;

    bool executeString(const Common::String &code) override;

    void *getScriptObject() override {
        return _state;
    }

    void setCommandLine(const Common::StringArray &commandLineParameters) override;

    bool persist(OutputPersistenceBlock &writer) override;
    bool unpersist(InputPersistenceBlock &reader) override;

private:
    lua_State *_state;
    int _pcallErrorhandlerRegistryIndex;

    bool registerStandardLibs();
    bool registerStandardLibExtensions();
    bool executeBuffer(const byte *data, uint size, const Common::String &name) const;
};

} // End of namespace Sword25

#endif