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as_function.h

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00001 // 
00002 //   Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010 Free Software
00003 //   Foundation, Inc
00004 // 
00005 // This program is free software; you can redistribute it and/or modify
00006 // it under the terms of the GNU General Public License as published by
00007 // the Free Software Foundation; either version 3 of the License, or
00008 // (at your option) any later version.
00009 // 
00010 // This program is distributed in the hope that it will be useful,
00011 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00012 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00013 // GNU General Public License for more details.
00014 // 
00015 // You should have received a copy of the GNU General Public License
00016 // along with this program; if not, write to the Free Software
00017 // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
00018 
00019 #ifndef GNASH_AS_FUNCTION_H
00020 #define GNASH_AS_FUNCTION_H
00021 
00022 #include <string>
00023 #include "as_object.h" // for inheritance
00024 
00025 // Forward declarations
00026 namespace gnash {
00027     class NativeFunction;
00028     class Global_as;
00029     template <typename T> class FunctionArgs;
00030 }
00031 
00032 namespace gnash {
00033 
00035 //
00061 class as_function : public as_object
00062 {
00063 public:
00064 
00066         virtual ~as_function() {}
00067 
00068         // Avoid RTTI
00069         as_function* to_function() { return this; }
00070 
00074         virtual as_value call(const fn_call& fn) = 0;
00075 
00076     virtual const std::string& stringValue() const;
00077 
00079     //
00082     //
00087     //
00098     as_object* construct(as_object& newobj, const as_environment& env,
00099             FunctionArgs<as_value>& args);
00100 
00102         virtual bool isBuiltin() { return false; }
00103 
00105         static NativeFunction* getFunctionConstructor();
00106 
00107 protected:
00108         
00110         //
00113         as_function(Global_as& gl);
00114 
00115 };
00116 
00117 
00119 //
00123 //
00129 as_object* constructInstance(as_function& ctor, const as_environment& env,
00130         FunctionArgs<as_value>& args);
00131 
00133 void function_class_init(as_object& global, const ObjectURI& uri);
00134 void registerFunctionNative(as_object& global);
00135 
00136 } // gnash namespace
00137 
00138 #endif
00139 

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