001 /*
002 $Id: ConstructorCallExpression.java,v 1.6 2005/02/01 10:46:54 russel 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 java.lang.reflect.Constructor;
049
050 import org.codehaus.groovy.ast.GroovyCodeVisitor;
051 import org.codehaus.groovy.classgen.AsmClassGenerator;
052
053 /**
054 * A constructor call
055 *
056 * @author <a href="mailto:james@coredevelopers.net">James Strachan</a>
057 * @version $Revision: 1.6 $
058 */
059 public class ConstructorCallExpression extends Expression {
060
061 private Expression arguments;
062
063 public String getTypeToSet() {
064 return typeToSet;
065 }
066
067 private String typeToSet; // type to be set on the type field. delayed until classgen time to avoid resolving to the current class.
068
069 public Constructor getConstructor() {
070 return constructor;
071 }
072
073 private Constructor constructor = null;
074
075 protected boolean shouldContinue() {
076 if (super.isResolveFailed())
077 return false;
078 if (constructor == null)
079 return true;
080 return false;
081 }
082
083 public ConstructorCallExpression(String type, Expression arguments) {
084 //super.setType(type);
085 this.typeToSet = type;
086 setTypeResolved(false); // to set it when arguments is resolved
087 this.arguments = arguments;
088 }
089
090 public void visit(GroovyCodeVisitor visitor) {
091 visitor.visitConstructorCallExpression(this);
092 }
093
094 public Expression transformExpression(ExpressionTransformer transformer) {
095 return new ConstructorCallExpression(type, transformer.transform(arguments));
096 }
097
098 protected void resolveType(AsmClassGenerator resolver) {
099 arguments.resolve(resolver);
100 if (constructor == null) {
101 resolver.resolve(this);
102 }
103 // if (getTypeClass() != null)
104 // setTypeResolved(true);
105 // else
106 // resolver.resolve(this);
107 }
108
109 public String getType() {
110 if (type == null) {
111 if (typeToSet != null && typeToSet.length() > 0) {
112 return typeToSet;
113 }
114 else {
115 return "java.lang.Object";
116 }
117 }
118 return type;
119 }
120
121 public Expression getArguments() {
122 return arguments;
123 }
124
125 public String getText() {
126 return "new " + type + "(" + arguments.getText() + ")";
127 }
128
129 public String toString() {
130 return super.toString() + "[type: " + type + " arguments: " + arguments + "]";
131 }
132
133 public void setConstructor(Constructor ctor) {
134 constructor = ctor;
135 super.setTypeClass(ctor.getDeclaringClass());
136 }
137 }