70 lines
1.5 KiB
Java
70 lines
1.5 KiB
Java
/*******************************************************************************
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* Copyright (c) 2013 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 java.util.Collection;
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import java.util.Collections;
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import com.ibm.wala.ssa.SSAInstruction;
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import com.ibm.wala.types.TypeReference;
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import com.ibm.wala.util.debug.Assertions;
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public abstract class AstConsumeInstruction extends SSAInstruction {
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protected final int[] rvals;
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public AstConsumeInstruction(int iindex, int[] rvals) {
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super(iindex);
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this.rvals = rvals;
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}
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@Override
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public int getNumberOfDefs() {
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return 0;
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}
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@Override
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public int getDef(int i) {
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Assertions.UNREACHABLE();
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return -1;
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}
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@Override
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public int getNumberOfUses() {
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return rvals.length;
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}
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@Override
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public int getUse(int i) {
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return rvals[i];
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}
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@Override
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public int hashCode() {
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int v = 1;
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for (int rval : rvals) {
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v *= rval;
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}
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return v;
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}
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@Override
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public boolean isFallThrough() {
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return true;
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}
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@Override
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public Collection<TypeReference> getExceptionTypes() {
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return Collections.emptySet();
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}
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}
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