01: /*
02: * xtc - The eXTensible Compiler
03: * Copyright (C) 2004-2007 Robert Grimm
04: *
05: * This program is free software; you can redistribute it and/or
06: * modify it under the terms of the GNU General Public License
07: * version 2 as published by the Free Software Foundation.
08: *
09: * This program is distributed in the hope that it will be useful,
10: * but WITHOUT ANY WARRANTY; without even the implied warranty of
11: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12: * GNU General Public License for more details.
13: *
14: * You should have received a copy of the GNU General Public License
15: * along with this program; if not, write to the Free Software
16: * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
17: * USA.
18: */
19: package xtc.parser;
20:
21: /**
22: * A semantic predicate.
23: *
24: * @author Robert Grimm
25: * @version $Revision: 1.4 $
26: */
27: public class SemanticPredicate extends Predicate {
28:
29: /**
30: * Create a new semantic predicate.
31: *
32: * @param action The test as an action.
33: */
34: public SemanticPredicate(Action action) {
35: super (action);
36: }
37:
38: public Tag tag() {
39: return Tag.SEMANTIC_PREDICATE;
40: }
41:
42: public int hashCode() {
43: return element.hashCode();
44: }
45:
46: public boolean equals(Object o) {
47: if (this == o)
48: return true;
49: if (!(o instanceof SemanticPredicate))
50: return false;
51: return element.equals(((SemanticPredicate) o).element);
52: }
53:
54: }
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