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projectors-compiler.hh

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/*
 *  Main authors:
 *     Guido Tack <tack@gecode.org>
 *
 *  Copyright:
 *     Guido Tack, 2006
 *
 *  Last modified:
 *     $Date: 2006-04-11 15:58:37 +0200 (Tue, 11 Apr 2006) $ by $Author: tack $
 *     $Revision: 3188 $
 *
 *  This file is part of Gecode, the generic constraint
 *  development environment:
 *     http://www.gecode.org
 *
 *  See the file "LICENSE" for information on usage and
 *  redistribution of this file, and for a
 *     DISCLAIMER OF ALL WARRANTIES.
 *
 */

#ifndef __GECODE_GENERATOR_PROJECOTRS_COMPILER_HH
#define __GECODE_GENERATOR_PROJECTORS_COMPILER_HH

#include "gecode/set/projectors.hh"

namespace Gecode {

  class ProjectorPropagatorSpec {
  public:
    std::string _name;
    std::string _namespace;

    int _arity;
    bool _reified;
    bool _negated;

    ProjectorSet _ps;
  };

  class ProjectorCompiler {
  public:
    class Indent {
    public:
      int i;
      Indent(void);
      void operator++(void);
      void operator--(void);
    };
  private:
    Indent indent;
    std::ostream& hhos;
    std::ostream& iccos;

    const ProjectorPropagatorSpec& spec;    



    bool nary(void);
    std::string propcost(void);
    void allAssigned(std::ostream&);
    void viewsarglist(std::ostream&);
    void initarglist(std::ostream&);
    std::string propcond(PropCond);
    void templateparams(void);
    void templatehead(std::ostream&);
    void header(std::ostream&);
    void footer(std::ostream&);
    void classdef(void);
    void standardMemberFunctions(void);
    int iterator(const SetExprCode& instrs,
                 bool countSize=false,
                 bool invert=false);
    void propagation(void);

  public:
    enum FixpointType {
      NO_FIX,    
      ITER_FIX,  
    };
    enum ViewsType {
      SINGLE_VIEW, 
      MULTI_VIEW   
    };



    bool compiletest;
    FixpointType fixpoint;
    ViewsType views; 

    GECODE_SET_EXPORT ProjectorCompiler(std::ostream& hhos,
                                        std::ostream& iccos,
                                        const ProjectorPropagatorSpec& spec);
    GECODE_SET_EXPORT void compile(void);
  };


}

#endif

// STATISTICS: set-prop