ShCfgBlock.hpp

// Sh: A GPU metaprogramming language.
//
// Copyright 2003-2006 Serious Hack Inc.
// 
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, 
// MA  02110-1301, USA
#ifndef SHCFGBLOCK_HPP
#define SHCFGBLOCK_HPP

#include <list>
#include "ShBlock.hpp"
#include "ShCtrlGraph.hpp"

namespace SH {

class 
SH_DLLEXPORT
ShCfgBlock : public ShBlock {
public:
  ShCfgBlock(const ShProgram &program, bool copy=true);
  ShCfgBlock(const ShCtrlGraphPtr& cfg, bool copy=true);
  ShCfgBlock(const ShCtrlGraphNodePtr& node, bool copy=true); 

  ~ShCfgBlock();

  ShCtrlGraphNodePtr entry() const;
  ShCtrlGraphNodePtr exit() const;

  void print(std::ostream& out, int indent) const;
  void graphvizDump(std::ostream& out) const;

  
private:
  void init(const ShCtrlGraphPtr& cfg, bool copy);
  ShCtrlGraphNodePtr m_entry, m_exit;
};

typedef ShPointer<ShCfgBlock> ShCfgBlockPtr;
typedef ShPointer<const ShCfgBlock> ShCfgBlockCPtr;

}

#endif

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