[25584] | 1 | /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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| 2 | * JFlex 1.4.3 *
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| 3 | * Copyright (C) 1998-2009 Gerwin Klein <[email protected]> *
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| 4 | * All rights reserved. *
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| 5 | * *
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| 6 | * This program is free software; you can redistribute it and/or modify *
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| 7 | * it under the terms of the GNU General Public License. See the file *
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| 8 | * COPYRIGHT for more information. *
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| 9 | * *
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| 10 | * This program is distributed in the hope that it will be useful, *
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| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of *
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| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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| 13 | * GNU General Public License for more details. *
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| 14 | * *
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| 15 | * You should have received a copy of the GNU General Public License along *
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| 16 | * with this program; if not, write to the Free Software Foundation, Inc., *
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| 17 | * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *
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| 18 | * *
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| 19 | * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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| 20 |
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| 21 | package JFlex;
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| 22 |
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| 23 |
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| 24 | /**
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| 25 | * Stores a regular expression from the rules section of a JFlex specification.
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| 26 | *
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| 27 | * This class provides storage for one Object of content.
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| 28 | * It is used for all regular expressions that are constructed from one object.
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| 29 | *
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| 30 | * For instance: a* is new RegExp1(sym.STAR, new Character ('a'));
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| 31 | *
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| 32 | * @author Gerwin Klein
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| 33 | * @version JFlex 1.4.3, $Revision: 433 $, $Date: 2009-01-31 19:52:34 +1100 (Sat, 31 Jan 2009) $
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| 34 | */
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| 35 | public class RegExp1 extends RegExp {
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| 36 |
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| 37 | /**
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| 38 | * The child of this expression node in the syntax tree of a regular expression.
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| 39 | */
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| 40 | Object content;
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| 41 |
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| 42 |
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| 43 | /**
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| 44 | * Constructs a new regular expression with one child object.
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| 45 | *
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| 46 | * @param type a value from the cup generated class sym, defining the
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| 47 | * kind of this regular expression
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| 48 | *
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| 49 | * @param content the child of this expression
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| 50 | */
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| 51 | public RegExp1(int type, Object content) {
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| 52 | super(type);
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| 53 | this.content = content;
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| 54 | }
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| 55 |
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| 56 |
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| 57 | /**
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| 58 | * Returns a String-representation of this regular expression
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| 59 | * with the specified indentation.
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| 60 | *
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| 61 | * @param tab a String that should contain only space characters and
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| 62 | * that is inserted in front of standard String-representation
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| 63 | * pf this object.
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| 64 | */
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| 65 | public String print(String tab) {
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| 66 | if (content instanceof RegExp) {
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| 67 | return tab+"type = "+type+Out.NL+tab+"content :"+Out.NL+((RegExp)content).print(tab+" ");
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| 68 | }
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| 69 | else
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| 70 | return tab+"type = "+type+Out.NL+tab+"content :"+Out.NL+tab+" "+content;
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| 71 | }
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| 72 |
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| 73 |
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| 74 | /**
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| 75 | * Returns a String-representation of this regular expression
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| 76 | */
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| 77 | public String toString() {
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| 78 | return print("");
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| 79 | }
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| 80 | }
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