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Java > Open Source Codes > org > codehaus > groovy > ast > expr > NegationExpression


1 /*
2  * $Id: NegationExpression.java,v 1.3 2004/07/10 03:31:37 bran Exp $version Jan 6, 2004 11:04:16 PM $user Exp $
3  *
4  * Copyright 2003 (C) Sam Pullara. All Rights Reserved.
5  *
6  * Redistribution and use of this software and associated documentation
7  * ("Software"), with or without modification, are permitted provided that the
8  * following conditions are met: 1. Redistributions of source code must retain
9  * copyright statements and notices. Redistributions must also contain a copy
10  * of this document. 2. Redistributions in binary form must reproduce the above
11  * copyright notice, this list of conditions and the following disclaimer in
12  * the documentation and/or other materials provided with the distribution. 3.
13  * The name "groovy" must not be used to endorse or promote products derived
14  * from this Software without prior written permission of The Codehaus. For
15  * written permission, please contact info@codehaus.org. 4. Products derived
16  * from this Software may not be called "groovy" nor may "groovy" appear in
17  * their names without prior written permission of The Codehaus. "groovy" is a
18  * registered trademark of The Codehaus. 5. Due credit should be given to The
19  * Codehaus - http://groovy.codehaus.org/
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE CODEHAUS AND CONTRIBUTORS ``AS IS'' AND ANY
22  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
23  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
24  * DISCLAIMED. IN NO EVENT SHALL THE CODEHAUS OR ITS CONTRIBUTORS BE LIABLE FOR
25  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
27  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
28  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
31  * DAMAGE.
32  *
33  */
34 package org.codehaus.groovy.ast.expr;
35
36 import org.codehaus.groovy.ast.GroovyCodeVisitor;
37 import org.codehaus.groovy.classgen.AsmClassGenerator2;
38
39 /**
40  * @author sam
41  */
42 public class NegationExpression extends Expression {
43
44     private Expression expression;
45     
46     public NegationExpression(Expression expression) {
47         this.expression = expression;
48     }
49
50     public Expression getExpression() {
51         return expression;
52     }
53
54     public void visit(GroovyCodeVisitor visitor) {
55         visitor.visitNegationExpression(this);
56     }
57
58     public Expression transformExpression(ExpressionTransformer transformer) {
59         return new NegationExpression(transformer.transform(expression));
60     }
61
62     protected void resolveType(AsmClassGenerator2 resolver) {
63         expression.resolve(resolver);
64         setTypeClass(expression.getTypeClass());
65     }
66
67     public String JavaDoc getText() {
68         return expression.getText();
69     }
70
71     public String JavaDoc getType() {
72         return expression.getType();
73     }
74
75     public boolean isDynamic() {
76         return false; //To change body of implemented methods use File | Settings | File Templates.
77 }
78
79     public Class JavaDoc getTypeClass() {
80         return expression.getTypeClass();
81     }
82 }
83
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