001: /*
002: $Id: CastExpression.java 3982 2006-08-14 20:18:35Z blackdrag $
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.ClassNode;
049: import org.codehaus.groovy.ast.GroovyCodeVisitor;
050:
051: /**
052: * Represents a type cast expression
053: *
054: * @author <a href="mailto:james@coredevelopers.net">James Strachan</a>
055: * @version $Revision: 3982 $
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(ClassNode type,
064: Expression expression) {
065: CastExpression answer = new CastExpression(type, expression);
066: answer.setCoerce(true);
067: return answer;
068: }
069:
070: public CastExpression(ClassNode type, Expression expression) {
071: this (type, expression, false);
072: }
073:
074: public CastExpression(ClassNode type, Expression expression,
075: boolean ignoreAutoboxing) {
076: super .setType(type);
077: this .expression = expression;
078: this .ignoreAutoboxing = ignoreAutoboxing;
079: }
080:
081: public boolean isIgnoringAutoboxing() {
082: return ignoreAutoboxing;
083: }
084:
085: public boolean isCoerce() {
086: return coerce;
087: }
088:
089: public void setCoerce(boolean coerce) {
090: this .coerce = coerce;
091: }
092:
093: public String toString() {
094: return super .toString() + "[(" + getType().getName() + ") "
095: + expression + "]";
096: }
097:
098: public void visit(GroovyCodeVisitor visitor) {
099: visitor.visitCastExpression(this );
100: }
101:
102: public Expression transformExpression(
103: ExpressionTransformer transformer) {
104: CastExpression ret = new CastExpression(getType(), transformer
105: .transform(expression));
106: ret.setSourcePosition(this );
107: ret.setCoerce(this .isCoerce());
108: return ret;
109: }
110:
111: public String getText() {
112: return "(" + getType() + ") " + expression.getText();
113: }
114:
115: public Expression getExpression() {
116: return expression;
117: }
118:
119: public void setType(ClassNode t) {
120: super.setType(t);
121: }
122:
123: }
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