61 lines
1.7 KiB
Java
61 lines
1.7 KiB
Java
/******************************************************************************
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* Copyright (c) 2002 - 2006 IBM Corporation.
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License v1.0
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* which accompanies this distribution, and is available at
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* http://www.eclipse.org/legal/epl-v10.html
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*
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* Contributors:
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* IBM Corporation - initial API and implementation
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*****************************************************************************/
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package com.ibm.wala.cast.ir.ssa;
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import com.ibm.wala.ssa.ReflectiveMemberAccess;
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import com.ibm.wala.ssa.SymbolTable;
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/**
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* This abstract class represents field (a.k.a property) writes in which the field name is not a constant, but rather a
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* computed value. This is common in scripting languages, and so this base class is shared across all languages that
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* need such accesses.
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*
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* @author Julian Dolby (dolby@us.ibm.com)
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*/
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public abstract class AbstractReflectivePut extends ReflectiveMemberAccess {
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private final int value;
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public AbstractReflectivePut(int iindex, int objectRef, int memberRef, int value) {
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super(iindex, objectRef, memberRef);
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this.value = value;
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}
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public String toString(SymbolTable symbolTable) {
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return super.toString(symbolTable) + " = " + getValueString(symbolTable, value);
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}
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/**
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* @see com.ibm.wala.ssa.Instruction#getDef()
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*/
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public int getDef() {
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return -1;
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}
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/**
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* @see com.ibm.wala.ssa.Instruction#getNumberOfUses()
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*/
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public int getNumberOfUses() {
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return 3;
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}
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public int getValue() {
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return getUse(2);
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}
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public int getUse(int index) {
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if (index == 2)
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return value;
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else
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return super.getUse(index);
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}
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}
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