/*
 * AnaGram, A System for Syntax Directed Programming
 * Copyright 1993-2002 Parsifal Software. All Rights Reserved.
 * See the file COPYING for license and usage terms.
 *
 * ruletabdc.h
 */

#ifndef RULETABDC_H
#define RULETABDC_H

#include "conflicttrc.h"
#include "dc.h"
#include "q1glbl.h"

class rule_table_dc : public dc {
public:
  static MenuOption *auxTable[];
  virtual MenuOption **getAuxWinMenu(void) { return auxTable; }

  rule_table_dc(void);
  rule_table_dc(rule_stack_dc &x) : dc(x) {}

  virtual void getLine(unsigned) const;
  virtual void synchCursor(unsigned) const;
  struct localize {
    unsigned rule;
    unsigned index;
    localize(unsigned);
    unsigned token() {
      unsigned nt = ibnfn[rule];
      if (index < nt) return ibnfs[ibnfb[rule] + index];
      return 0;
    }

  };
  virtual dc_ref expansion_rules(unsigned);
  virtual dc_ref productions(unsigned);
  virtual dc_ref rule_context(unsigned);
  virtual dc_ref usage(unsigned);

  virtual int expansion_rules_ok(unsigned);
  virtual int productions_ok(unsigned);
  virtual int rule_context_ok(unsigned ln) { return ln != 0; }
  virtual int usage_ok(unsigned);
};


#endif /* RULETABDC_H */