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101 lines
2.8 KiB
101 lines
2.8 KiB
/* LocalLoadOperator Copyright (C) 1998-1999 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 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 General Public License
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* along with this program; see the file COPYING. 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 jode.expr;
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import jode.GlobalOptions;
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import jode.type.Type;
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import jode.decompiler.MethodAnalyzer;
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import jode.decompiler.ClassAnalyzer;
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import jode.decompiler.LocalInfo;
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import jode.decompiler.TabbedPrintWriter;
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public class LocalLoadOperator extends Operator
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implements LocalVarOperator {
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MethodAnalyzer methodAnalyzer;
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LocalInfo local;
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public LocalLoadOperator(Type type, MethodAnalyzer methodAnalyzer,
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LocalInfo local) {
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super(type);
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this.methodAnalyzer = methodAnalyzer;
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this.local = local;
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local.setOperator(this);
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initOperands(0);
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}
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public boolean isRead() {
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return true;
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}
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public boolean isWrite() {
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return false;
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}
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public boolean isConstant() {
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return false;
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}
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public int getPriority() {
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return 1000;
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}
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public LocalInfo getLocalInfo() {
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return local.getLocalInfo();
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}
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public void setMethodAnalyzer(MethodAnalyzer ma) {
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methodAnalyzer = ma;
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}
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public void setLocalInfo(LocalInfo newLocal) {
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local = newLocal;
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updateType();
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}
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public void updateSubTypes() {
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if ((GlobalOptions.debuggingFlags & GlobalOptions.DEBUG_TYPES) != 0)
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GlobalOptions.err.println("setType of "+local.getName()+": "
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+local.getType());
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local.setType(type);
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}
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public void updateType() {
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if ((GlobalOptions.debuggingFlags & GlobalOptions.DEBUG_TYPES) != 0)
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GlobalOptions.err.println("local "+local.getName()+" changed: "
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+type+" to "+local.getType()
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+" in "+parent);
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updateParentType(local.getType());
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}
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public boolean opEquals(Operator o) {
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return (o instanceof LocalLoadOperator &&
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((LocalLoadOperator) o).local.getSlot() == local.getSlot());
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}
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public Expression simplify() {
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if (local.getExpression() != null)
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return local.getExpression().simplify();
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return super.simplify();
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}
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public void dumpExpression(TabbedPrintWriter writer)
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throws java.io.IOException {
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writer.print(local.getName());
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}
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}
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