001    /*
002     * $Id: NegationExpression.java,v 1.4 2005/02/01 10:46:54 russel Exp $version Jan 6, 2004 11:04:16 PM $user Exp $
003     * 
004     * Copyright 2003 (C) Sam Pullara. All Rights Reserved.
005     * 
006     * Redistribution and use of this software and associated documentation
007     * ("Software"), with or without modification, are permitted provided that the
008     * following conditions are met: 1. Redistributions of source code must retain
009     * copyright statements and notices. Redistributions must also contain a copy
010     * of this document. 2. Redistributions in binary form must reproduce the above
011     * copyright notice, this list of conditions and the following disclaimer in
012     * the documentation and/or other materials provided with the distribution. 3.
013     * The name "groovy" must not be used to endorse or promote products derived
014     * from this Software without prior written permission of The Codehaus. For
015     * written permission, please contact info@codehaus.org. 4. Products derived
016     * from this Software may not be called "groovy" nor may "groovy" appear in
017     * their names without prior written permission of The Codehaus. "groovy" is a
018     * registered trademark of The Codehaus. 5. Due credit should be given to The
019     * Codehaus - http://groovy.codehaus.org/
020     * 
021     * THIS SOFTWARE IS PROVIDED BY THE CODEHAUS AND CONTRIBUTORS ``AS IS'' AND ANY
022     * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
023     * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
024     * DISCLAIMED. IN NO EVENT SHALL THE CODEHAUS OR ITS CONTRIBUTORS BE LIABLE FOR
025     * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
026     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
027     * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
028     * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
029     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
030     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
031     * DAMAGE.
032     *  
033     */
034    package org.codehaus.groovy.ast.expr;
035    
036    import org.codehaus.groovy.ast.GroovyCodeVisitor;
037    import org.codehaus.groovy.classgen.AsmClassGenerator;
038    
039    /**
040     * @author sam
041     */
042    public class NegationExpression extends Expression {
043    
044            private Expression expression;
045            
046            public NegationExpression(Expression expression) {
047                    this.expression = expression;
048            }
049    
050            public Expression getExpression() {
051                    return expression;
052            }
053    
054            public void visit(GroovyCodeVisitor visitor) {
055                    visitor.visitNegationExpression(this);
056            }
057    
058            public Expression transformExpression(ExpressionTransformer transformer) {
059                return new NegationExpression(transformer.transform(expression));
060            }
061    
062        protected void resolveType(AsmClassGenerator resolver) {
063            expression.resolve(resolver);
064            setTypeClass(expression.getTypeClass());
065        }
066    
067        public String getText() {
068                    return expression.getText();
069            }
070    
071        public String getType() {
072            return expression.getType();
073        }
074    
075        public boolean isDynamic() {
076            return false;  //To change body of implemented methods use File | Settings | File Templates.
077        }
078    
079        public Class getTypeClass() {
080            return expression.getTypeClass();
081        }
082    }