ShBlock.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 SHBLOCK_HPP
#define SHBLOCK_HPP

#include <vector>
#include <iosfwd>
#include "ShDllExport.hpp"
#include "ShRefCount.hpp"
#include "ShStatement.hpp"

namespace SH {

class
SH_DLLEXPORT ShBlock : public ShRefCountable {
public:
  virtual ~ShBlock();

  virtual void print(std::ostream& out, int indent) const = 0;
};

typedef ShPointer<ShBlock> ShBlockPtr;
typedef ShPointer<const ShBlock> ShBlockCPtr;

class
SH_DLLEXPORT ShBlockList : public ShRefCountable {
public:
  ShBlockList(bool isArgument = false);

  bool isArgument();

  void addStatement(const ShStatement& statement);
  void addBlock(const ShBlockPtr& statement);

  ShBlockPtr getFront() const;
  
  ShBlockPtr removeFront();

  bool empty() const;

  friend SH_DLLEXPORT std::ostream& operator<<(std::ostream& out, const ShBlockList& blockList);

  std::ostream& print(std::ostream& out, int indentation) const;

private:
  bool m_isArgument;
  std::vector<ShBlockPtr> m_blocks;
};

typedef ShPointer<ShBlockList> ShBlockListPtr;
typedef ShPointer<const ShBlockList> ShBlockListCPtr;

}

#endif

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