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57 lines
1.9 KiB
57 lines
1.9 KiB
/* GetFieldOperator Copyright (C) 1998-2002 Jochen Hoenicke.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; see the file COPYING.LESSER. If not, write to
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* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* $Id$
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*/
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package net.sf.jode.expr;
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import net.sf.jode.bytecode.Reference;
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import net.sf.jode.decompiler.MethodAnalyzer;
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import net.sf.jode.decompiler.FieldAnalyzer;
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public class GetFieldOperator extends FieldOperator {
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public GetFieldOperator(MethodAnalyzer methodAnalyzer, boolean staticFlag,
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Reference ref) {
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super(methodAnalyzer, staticFlag, ref);
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}
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public Expression simplify() {
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if (!staticFlag) {
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subExpressions[0] = subExpressions[0].simplify();
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subExpressions[0].parent = this;
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if (subExpressions[0] instanceof ThisOperator) {
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FieldAnalyzer field = getField();
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/* This should check for isFinal(), but sadly,
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* sometimes jikes doesn't make a val$ field final. I
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* don't know when, or why, so I currently ignore
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* isFinal.
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*/
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if (field != null && field.isSynthetic()) {
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Expression constant = field.getConstant();
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if (constant instanceof ThisOperator
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|| constant instanceof OuterLocalOperator)
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return constant;
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}
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}
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}
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return this;
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}
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public boolean opEquals(Operator o) {
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return o instanceof GetFieldOperator
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&& ((GetFieldOperator)o).ref.equals(ref);
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}
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}
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