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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 getText() {
68  		return expression.getText();
69  	}
70  
71      public String 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 getTypeClass() {
80          return expression.getTypeClass();
81      }
82  }