120 lines
3.4 KiB
Java
120 lines
3.4 KiB
Java
/*
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* Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package com.sun.codemodel.internal;
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/**
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* Field Reference
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*/
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public class JFieldRef extends JExpressionImpl implements JAssignmentTarget {
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/**
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* Object expression upon which this field will be accessed, or
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* null for the implicit 'this'.
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*/
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private JGenerable object;
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/**
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* Name of the field to be accessed. Either this or {@link #var} is set.
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*/
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private String name;
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/**
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* Variable to be accessed.
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*/
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private JVar var;
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/**
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* Indicates if an explicit this should be generated
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*/
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private boolean explicitThis;
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/**
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* Field reference constructor given an object expression and field name
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*
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* @param object
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* JExpression for the object upon which
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* the named field will be accessed,
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*
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* @param name
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* Name of field to access
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*/
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JFieldRef(JExpression object, String name) {
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this(object, name, false);
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}
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JFieldRef(JExpression object, JVar v) {
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this(object, v, false);
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}
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/**
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* Static field reference.
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*/
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JFieldRef(JType type, String name) {
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this(type, name, false);
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}
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JFieldRef(JType type, JVar v) {
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this(type, v, false);
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}
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JFieldRef(JGenerable object, String name, boolean explicitThis) {
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this.explicitThis = explicitThis;
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this.object = object;
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if (name.indexOf('.') >= 0)
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throw new IllegalArgumentException("Field name contains '.': " + name);
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this.name = name;
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}
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JFieldRef(JGenerable object, JVar var, boolean explicitThis) {
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this.explicitThis = explicitThis;
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this.object = object;
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this.var = var;
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}
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public void generate(JFormatter f) {
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String name = this.name;
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if(name==null) name=var.name();
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if (object != null) {
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f.g(object).p('.').p(name);
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} else {
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if (explicitThis) {
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f.p("this.").p(name);
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} else {
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f.id(name);
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}
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}
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}
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public JExpression assign(JExpression rhs) {
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return JExpr.assign(this, rhs);
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}
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public JExpression assignPlus(JExpression rhs) {
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return JExpr.assignPlus(this, rhs);
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}
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}
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