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64 lines
1.9 KiB
64 lines
1.9 KiB
/* PrePostFixOperator 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.type.Type;
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import net.sf.jode.decompiler.TabbedPrintWriter;
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/**
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* A PrePostFixOperator has one subexpression, namely the StoreInstruction.
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*/
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public class PrePostFixOperator extends Operator {
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boolean postfix;
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public PrePostFixOperator(Type type, int operatorIndex,
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LValueExpression lvalue, boolean postfix) {
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super(type);
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this.postfix = postfix;
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setOperatorIndex(operatorIndex);
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initOperands(1);
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setSubExpressions(0, (Operator) lvalue);
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}
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public int getPriority() {
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return postfix ? 800 : 700;
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}
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public void updateSubTypes() {
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if (!isVoid())
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subExpressions[0].setType(type);
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}
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public void updateType() {
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if (!isVoid())
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updateParentType(subExpressions[0].getType());
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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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int priority = 700;
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if (!postfix) {
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writer.print(getOperatorString());
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priority = 800;
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}
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subExpressions[0].dumpExpression(writer, priority);
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if (postfix)
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writer.print(getOperatorString());
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}
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}
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