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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.expr;
17  
18  import org.codehaus.groovy.ast.ClassNode;
19  import org.codehaus.groovy.ast.GroovyCodeVisitor;
20  
21  /**
22   * Represents a spread map expression *:m
23   * in the map expression [1, *:m, 2, "c":100]
24   * or in the method invoke expression func(1, *:m, 2, "c":100).
25   *
26   * @version $Revision: 20590 $
27   */
28  public class SpreadMapExpression extends Expression {
29  
30      private Expression expression;
31  
32      public SpreadMapExpression(Expression expression) {
33          this.expression = expression;
34      }
35  
36      public Expression getExpression() {
37          return expression;
38      }
39  
40      public void visit(GroovyCodeVisitor visitor) {
41          visitor.visitSpreadMapExpression(this);
42      }
43  
44      public Expression transformExpression(ExpressionTransformer transformer) {
45          Expression ret = new SpreadMapExpression(transformer.transform(expression));
46          ret.setSourcePosition(this);
47          return ret;
48      }
49  
50      public String getText() {
51          return "*:" + expression.getText();
52      }
53  
54      public ClassNode getType() {
55          return expression.getType();
56      }
57  }