langviz/Iterator.hh

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Copyright (c) 2000-2015 Ericsson Telecom AB
   3 // All rights reserved. This program and the accompanying materials
   4 // are made available under the terms of the Eclipse Public License v1.0
   5 // which accompanies this distribution, and is available at
   6 // http://www.eclipse.org/legal/epl-v10.html
   7 ///////////////////////////////////////////////////////////////////////////////
   8 #ifndef _langviz_Iterator_HH
   9 #define _langviz_Iterator_HH
  10
  11 class Grammar;
  12 class Grouping;
  13 class Rule;
  14 class Symbol;
  15
  16 class Iterator {
  17 protected:
  18   Grammar *grammar;
  19   Grouping *grouping;
  20   Symbol *lhs;
  21   Rule *rule;
  22   Symbol *symbol;
  23
  24 public:
  25   virtual ~Iterator() {}
  26   virtual void visitGrammar(Grammar *p_grammar);
  27   virtual void visitGrouping(Grouping *p_grouping);
  28   virtual void visitRule(Rule *p_rule);
  29   virtual void visitSymbol(Symbol *p_symbol);
  30   virtual void actionGrammar() {}
  31   virtual void actionGrouping() {}
  32   virtual void actionRule() {}
  33   virtual void actionSymbol() {}
  34 };
  35
  36 /**
  37  * Used to build the references/referenced by structure of symbols
  38  */
  39 class ItRefBuild : public Iterator {
  40   virtual void actionSymbol();
  41 };
  42
  43 #endif // _langviz_Iterator_HH