001 /* 002 $Id: FieldExpression.java,v 1.4 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 org.codehaus.groovy.ast.FieldNode; 049 import org.codehaus.groovy.ast.GroovyCodeVisitor; 050 import org.codehaus.groovy.classgen.AsmClassGenerator; 051 052 /** 053 * Represents a field access such as the expression "this.foo". 054 * 055 * @author <a href="mailto:james@coredevelopers.net">James Strachan</a> 056 * @version $Revision: 1.4 $ 057 */ 058 public class FieldExpression extends Expression { 059 060 private FieldNode field; 061 062 public FieldExpression(FieldNode field) { 063 this.field = field; 064 } 065 066 public void visit(GroovyCodeVisitor visitor) { 067 visitor.visitFieldExpression(this); 068 } 069 070 public Expression transformExpression(ExpressionTransformer transformer) { 071 return this; 072 } 073 074 public String getFieldName() { 075 return field.getName(); 076 } 077 078 public String getTypeName() { 079 return field.getType(); 080 } 081 082 public FieldNode getField() { 083 return field; 084 } 085 086 public String getText() { 087 return "this." + field.getName(); 088 } 089 090 public boolean isDynamic() { 091 return field.isDynamicType(); 092 } 093 094 public String getType() { 095 return getTypeName(); 096 } 097 098 public void setTypeClass(Class typeClass) { 099 super.setTypeClass(typeClass); 100 field.setType(typeClass.getName()); 101 } 102 103 public void setType(String type) { 104 super.setType(type); 105 field.setType(type); 106 } 107 108 protected void resolveType(AsmClassGenerator resolver) { 109 String fldType = field.getType(); 110 setType(fldType); 111 } 112 }