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enum_value_walker.h

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// ----------------------------------------------------------------------
//
//  C-Breeze
//  C Compiler Framework
// 
//  Copyright (c) 2000 University of Texas at Austin
// 
//  Samuel Z. Guyer
//  Daniel A. Jimenez
//  Calvin Lin
// 
//  Permission is hereby granted, free of charge, to any person
//  obtaining a copy of this software and associated documentation
//  files (the "Software"), to deal in the Software without
//  restriction, including without limitation the rights to use, copy,
//  modify, merge, publish, distribute, sublicense, and/or sell copies
//  of the Software, and to permit persons to whom the Software is
//  furnished to do so, subject to the following conditions:
//  
//  The above copyright notice and this permission notice shall be
//  included in all copies or substantial portions of the Software.
//  
//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
//  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
//  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
//  NONINFRINGEMENT.  IN NO EVENT SHALL THE UNIVERSITY OF TEXAS AT
//  AUSTIN BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
//  IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
//  OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
//  THE SOFTWARE.
//
//  We acknowledge the C-to-C Translator from MIT Laboratory for
//  Computer Science for inspiring parts of the C-Breeze design.
//
// ----------------------------------------------------------------------

#ifndef CBZ_ENUM_VALUE_WALKER_H
#define CBZ_ENUM_VALUE_WALKER_H


// WARNING: This is only temporary. The evaluation of the initializers
// must be more general and powerful. This functionality should be
// integrated into the semantic checker.

class enum_value_walker : public Walker
{
public:

  // -- Use this interface to access the walker..

  static void assign(Node * n);

private:

  enum_value_walker()
    : Walker(Preorder, Subtree)
  {}

public:

  virtual void at_enum(enumNode * the_enum, Order ord);
};


#endif // CBZ_ENUM_VALUE_WALKER_H

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