/*
    * Copyright 2003-2007 the original author or authors.
    *
    * Licensed under the Apache License, Version 2.0 (the "License");
    * you may not use this file except in compliance with the License.
    * You may obtain a copy of the License at
    *
    *     http://www.apache.org/licenses/LICENSE-2.0
    *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.codehaus.groovy.ast.expr;
  
  import org.codehaus.groovy.ast.ClassNode;
  import org.codehaus.groovy.ast.GroovyCodeVisitor;
  
  /**
   * Represents a spread expression *x in the list expression [1, *x, 2].
   *
   * @version $Revision: 20590 $
   */
  public class SpreadExpression extends Expression {
  
      private final Expression expression;
  
      public SpreadExpression(Expression expression) {
          this.expression = expression;
      }
  
      public Expression getExpression() {
          return expression;
      }
  
      public void visit(GroovyCodeVisitor visitor) {
          visitor.visitSpreadExpression(this);
      }
  
      public Expression transformExpression(ExpressionTransformer transformer) {
          Expression ret = new SpreadExpression(transformer.transform(expression));
          ret.setSourcePosition(this);
          return ret;
      }
  
      public String getText() {
          return "*" + expression.getText();
      }
  
      public ClassNode getType() {
          return expression.getType();
      }
  }