as_function.h

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// 
//   Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
//   Free Software Foundation, Inc
// 
// 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, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

#ifndef GNASH_AS_FUNCTION_H
#define GNASH_AS_FUNCTION_H

#include <string>

#include "as_object.h"

// Forward declarations
namespace gnash {
    class NativeFunction;
    class Global_as;
    template <typename T> class FunctionArgs;
}

namespace gnash {

//
class as_function : public as_object
{
public:

        virtual ~as_function() {}

        virtual as_function* to_function() { return this; }

    //
        virtual as_value call(const fn_call& fn) = 0;

    //
    virtual std::string stringValue() const;

    //
    //
    //
    as_object* construct(as_object& newobj, const as_environment& env,
            FunctionArgs<as_value>& args);

        virtual bool isBuiltin() { return false; }

protected:
        
        as_function(Global_as& gl);

};


//
//
as_object* constructInstance(as_function& ctor, const as_environment& env,
        FunctionArgs<as_value>& args);

} // gnash namespace

#endif