001 /* 002 $Id: CastExpression.java,v 1.6 2005/02/24 15:33:31 jstrachan Exp $ 003 004 Copyright 2003 (C) James Strachan and Bob Mcwhirter. All Rights Reserved. 005 006 Redistribution and use of this software and associated documentation 007 ("Software"), with or without modification, are permitted provided 008 that the following conditions are met: 009 010 1. Redistributions of source code must retain copyright 011 statements and notices. Redistributions must also contain a 012 copy of this document. 013 014 2. Redistributions in binary form must reproduce the 015 above copyright notice, this list of conditions and the 016 following disclaimer in the documentation and/or other 017 materials provided with the distribution. 018 019 3. The name "groovy" must not be used to endorse or promote 020 products derived from this Software without prior written 021 permission of The Codehaus. For written permission, 022 please contact info@codehaus.org. 023 024 4. Products derived from this Software may not be called "groovy" 025 nor may "groovy" appear in their names without prior written 026 permission of The Codehaus. "groovy" is a registered 027 trademark of The Codehaus. 028 029 5. Due credit should be given to The Codehaus - 030 http://groovy.codehaus.org/ 031 032 THIS SOFTWARE IS PROVIDED BY THE CODEHAUS AND CONTRIBUTORS 033 ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT 034 NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 035 FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 036 THE CODEHAUS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 037 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 038 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 039 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 040 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 041 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 042 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 043 OF THE POSSIBILITY OF SUCH DAMAGE. 044 045 */ 046 package org.codehaus.groovy.ast.expr; 047 048 import org.codehaus.groovy.ast.GroovyCodeVisitor; 049 import org.codehaus.groovy.classgen.AsmClassGenerator; 050 051 /** 052 * Represents a type cast expression 053 * 054 * @author <a href="mailto:james@coredevelopers.net">James Strachan</a> 055 * @version $Revision: 1.6 $ 056 */ 057 public class CastExpression extends Expression { 058 059 private Expression expression; 060 private boolean ignoreAutoboxing=false; 061 private boolean coerce = false; 062 063 public static CastExpression asExpression(String typeName, Expression expression) { 064 CastExpression answer = new CastExpression(typeName, expression); 065 answer.setCoerce(true); 066 return answer; 067 } 068 069 public CastExpression(String type, Expression expression) { 070 super.setType(type); 071 this.expression = expression; 072 } 073 074 public CastExpression(String type, Expression expression, boolean ignoreAutoboxing) { 075 super.setType(type); 076 this.expression = expression; 077 this.ignoreAutoboxing = ignoreAutoboxing; 078 } 079 080 public boolean isIgnoringAutoboxing(){ 081 return ignoreAutoboxing; 082 } 083 084 public boolean isCoerce() { 085 return coerce; 086 } 087 088 public void setCoerce(boolean coerce) { 089 this.coerce = coerce; 090 } 091 092 public String toString() { 093 return super.toString() +"[(" + type + ") " + expression + "]"; 094 } 095 096 public void visit(GroovyCodeVisitor visitor) { 097 visitor.visitCastExpression(this); 098 } 099 100 public Expression transformExpression(ExpressionTransformer transformer) { 101 return new CastExpression(type, transformer.transform(expression)); 102 } 103 104 public String getText() { 105 return "(" + type + ") " + expression.getText(); 106 } 107 108 public Expression getExpression() { 109 return expression; 110 } 111 112 protected void resolveType(AsmClassGenerator resolver) { 113 //To change body of implemented methods use File | Settings | File Templates. 114 } 115 116 }