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    1   /*
    2    * Copyright 2003 (C) Sam Pullara. All Rights Reserved.
    3    *
    4    * Redistribution and use of this software and associated documentation
    5    * ("Software"), with or without modification, are permitted provided that the
    6    * following conditions are met: 1. Redistributions of source code must retain
    7    * copyright statements and notices. Redistributions must also contain a copy
    8    * of this document. 2. Redistributions in binary form must reproduce the above
    9    * copyright notice, this list of conditions and the following disclaimer in
    10   * the documentation and/or other materials provided with the distribution. 3.
    11   * The name "groovy" must not be used to endorse or promote products derived
    12   * from this Software without prior written permission of The Codehaus. For
    13   * written permission, please contact info@codehaus.org. 4. Products derived
    14   * from this Software may not be called "groovy" nor may "groovy" appear in
    15   * their names without prior written permission of The Codehaus. "groovy" is a
    16   * registered trademark of The Codehaus. 5. Due credit should be given to The
    17   * Codehaus - http://groovy.codehaus.org/
    18   *
    19   * THIS SOFTWARE IS PROVIDED BY THE CODEHAUS AND CONTRIBUTORS ``AS IS'' AND ANY
    20   * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
    21   * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
    22   * DISCLAIMED. IN NO EVENT SHALL THE CODEHAUS OR ITS CONTRIBUTORS BE LIABLE FOR
    23   * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
    24   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
    25   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
    26   * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
    27   * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
    28   * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
    29   * DAMAGE.
    30   *
    31   */
    32  package org.codehaus.groovy.ast.expr;
    33
    34  import org.codehaus.groovy.ast.GroovyCodeVisitor;
    35
    36  /***
    37   * @author sam
    38   */
    39  public class NotExpression extends BooleanExpression {
    40
    41  	public NotExpression(Expression expression) {
    42  		super(expression);
    43  	}
    44
    45  	public void visit(GroovyCodeVisitor visitor) {
    46  		visitor.visitNotExpression(this);
    47  	}
    48
    49      public boolean isDynamic() {
    50          return false;
    51      }
    52
    53      public Expression transformExpression(ExpressionTransformer transformer) {
    54          Expression ret = new NotExpression(transformer.transform(getExpression()));
    55          ret.setSourcePosition(this);
    56          return ret;
    57  	}
    58  }