1 /*
2 $Id: CastExpression.java,v 1.9 2006/01/19 00:06:51 blackdrag Exp $
3
4 Copyright 2003 (C) James Strachan and Bob Mcwhirter. All Rights Reserved.
5
6 Redistribution and use of this software and associated documentation
7 ("Software"), with or without modification, are permitted provided
8 that the following conditions are met:
9
10 1. Redistributions of source code must retain copyright
11 statements and notices. Redistributions must also contain a
12 copy of this document.
13
14 2. Redistributions in binary form must reproduce the
15 above copyright notice, this list of conditions and the
16 following disclaimer in the documentation and/or other
17 materials provided with the distribution.
18
19 3. The name "groovy" must not be used to endorse or promote
20 products derived from this Software without prior written
21 permission of The Codehaus. For written permission,
22 please contact info@codehaus.org.
23
24 4. Products derived from this Software may not be called "groovy"
25 nor may "groovy" appear in their names without prior written
26 permission of The Codehaus. "groovy" is a registered
27 trademark of The Codehaus.
28
29 5. Due credit should be given to The Codehaus -
30 http://groovy.codehaus.org/
31
32 THIS SOFTWARE IS PROVIDED BY THE CODEHAUS AND CONTRIBUTORS
33 ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
34 NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
35 FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
36 THE CODEHAUS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
37 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
38 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
39 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
40 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
41 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
42 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
43 OF THE POSSIBILITY OF SUCH DAMAGE.
44
45 */
46 package org.codehaus.groovy.ast.expr;
47
48 import org.codehaus.groovy.ast.ClassNode;
49 import org.codehaus.groovy.ast.GroovyCodeVisitor;
50
51 /***
52 * Represents a type cast expression
53 *
54 * @author <a href="mailto:james@coredevelopers.net">James Strachan</a>
55 * @version $Revision: 1.9 $
56 */
57 public class CastExpression extends Expression {
58
59 private Expression expression;
60 private boolean ignoreAutoboxing=false;
61 private boolean coerce = false;
62
63 public static CastExpression asExpression(ClassNode type, Expression expression) {
64 CastExpression answer = new CastExpression(type, expression);
65 answer.setCoerce(true);
66 return answer;
67 }
68
69 public CastExpression(ClassNode type, Expression expression) {
70 this(type,expression,false);
71 }
72
73 public CastExpression(ClassNode type, Expression expression, boolean ignoreAutoboxing) {
74 super.setType(type);
75 this.expression = expression;
76 this.ignoreAutoboxing = ignoreAutoboxing;
77 }
78
79 public boolean isIgnoringAutoboxing(){
80 return ignoreAutoboxing;
81 }
82
83 public boolean isCoerce() {
84 return coerce;
85 }
86
87 public void setCoerce(boolean coerce) {
88 this.coerce = coerce;
89 }
90
91 public String toString() {
92 return super.toString() +"[(" + getType().getName() + ") " + expression + "]";
93 }
94
95 public void visit(GroovyCodeVisitor visitor) {
96 visitor.visitCastExpression(this);
97 }
98
99 public Expression transformExpression(ExpressionTransformer transformer) {
100 Expression ret = new CastExpression(getType(), transformer.transform(expression));
101 ret.setSourcePosition(this);
102 return ret;
103 }
104
105 public String getText() {
106 return "(" + getType() + ") " + expression.getText();
107 }
108
109 public Expression getExpression() {
110 return expression;
111 }
112
113 public void setType(ClassNode t) {
114 super.setType(t);
115 }
116
117 }