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1   /*
2    * Copyright 2003-2007 the original author or authors.
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *     http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  package org.codehaus.groovy.ast.stmt;
17  
18  import org.codehaus.groovy.ast.GroovyCodeVisitor;
19  import org.codehaus.groovy.ast.expr.Expression;
20  
21  
22  /**
23   * A simple statement such as a method call where the return value is ignored
24   *
25   * @author <a href="mailto:james@coredevelopers.net">James Strachan</a>
26   * @version $Revision: 20590 $
27   */
28  public class ExpressionStatement extends Statement {
29  
30      private Expression expression;
31  
32      public ExpressionStatement(Expression expression) {
33          if (expression == null) {
34              throw new IllegalArgumentException("expression cannot be null");
35          }
36          this.expression = expression;
37      }
38  
39      public void visit(GroovyCodeVisitor visitor) {
40          visitor.visitExpressionStatement(this);
41      }
42  
43      public Expression getExpression() {
44          return expression;
45      }
46  
47      public void setExpression(Expression expression) {
48          this.expression = expression;
49      }
50  
51      public String getText() {
52          return this.toString();
53      }
54  
55      public String toString() {
56          return super.toString() + "[expression:" + expression + "]";
57      }
58  
59  }