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Java > Open Source Codes > org > javacc > parser > RZeroOrMore


1 /*
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22
23 package org.javacc.parser;
24
25 /**
26  * Describes zero-or-more regular expressions (<foo*>).
27  */
28
29 public class RZeroOrMore extends RegularExpression {
30
31   /**
32    * The regular expression which is repeated zero or more times.
33    */
34   public RegularExpression regexpr;
35
36   public Nfa GenerateNfa(boolean ignoreCase)
37   {
38      Nfa retVal = new Nfa();
39      NfaState startState = retVal.start;
40      NfaState finalState = retVal.end;
41
42      Nfa temp = regexpr.GenerateNfa(ignoreCase);
43
44      startState.AddMove(temp.start);
45      startState.AddMove(finalState);
46      temp.end.AddMove(finalState);
47      temp.end.AddMove(temp.start);
48
49      return retVal;
50   }
51
52 }
53
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