avm.h

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/* xoreos - A reimplementation of BioWare's Aurora engine
 *
 * xoreos is the legal property of its developers, whose names
 * can be found in the AUTHORS file distributed with this source
 * distribution.
 *
 * xoreos 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.
 *
 * xoreos 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 xoreos. If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef AURORA_ACTIONSCRIPT_AVM_H
#define AURORA_ACTIONSCRIPT_AVM_H

#include <boost/function.hpp>

#include "src/common/ustring.h"

#include "src/aurora/actionscript/variable.h"
#include "object.h"

namespace Aurora {

namespace ActionScript {

typedef boost::function<Variable(const Common::UString &, const Common::UString &)> FSCommandFunction;

typedef boost::function<void (const Common::UString &, ObjectPtr)> RegisterClassFunction;

class AVM {
public:
    AVM();

    void setRegisterClassFunction(RegisterClassFunction);
    void setFSCommandCallback(FSCommandFunction);

    void fsCommand(const Common::UString &name, const Common::UString &value);

    void storeRegister(Variable value, byte index);
    Variable getRegister(byte index);

    bool hasVariable(const Common::UString &name);
    void setVariable(const Common::UString &name, Variable value);
    Variable getVariable(const Common::UString &name);

    Variable createNewObject(const Common::UString &name,
                             std::vector<Variable> arguments = std::vector<Variable>());

    void setStopFlag();
    bool getStopFlag();

    void setReturnValue(Variable returnValue = Variable());
    Variable getReturnValue();

private:
    Variable registerClass(AVM &avm);

    RegisterClassFunction _registerClass;
    FSCommandFunction _fscommand;

    std::vector<Variable> _registers;
    std::map<Common::UString, Variable> _variables;

    bool _stopFlag;
    Variable _returnValue;
};

} // End of namespace ActionScript

} // End of namespace Aurora

#endif // AURORA_ACTIONSCRIPT_AVM_H