/*

  * Copyright (C) 2012 David Anderson

  *

  * This file is part of JITCraft.

  *

  * JITCraft 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.

  * 

  * Foobar 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

  * JITCraft. If not, see http://www.gnu.org/licenses/.

  */

 #ifndef _include_jitcraft_function_h_

 #define _include_jitcraft_function_h_

 #include "Heap.h"

 #include "Barriers.h"

 #include "Token.h"

 #include "Types.h"

 namespace jc {

 class Code;

 class Module;

 class Type;

 class Function : public Object

 {

     Barriered<Module> module_;

     Barriered<Code> code_;

     Barriered<Type> type_;

     SourcePosition pos_;

  public:

     static Function *New(Zone *zone, Module *module, Code *code, Type *type,

                          const SourcePosition &pos);

     Code *code() const {

         return code_;

     }

     Type *type() const {

         return type_;

     }

     const SourcePosition &pos() {

         return pos_;

     }

     unsigned nargs() {

         return type()->parameters()->length();

     }

     Type *argType(size_t index) {

         return type()->parameterAt(index);

     }

     static inline Function *cast(Object *obj) {

         assert(!obj || obj->is(MapKind_Function));

         return reinterpret_cast<Function *>(obj);

     }

 };

 }

 #endif // _include_jitcraft_function_h_