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 }