41 lines
1.5 KiB
Java
41 lines
1.5 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.ssa;
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/**
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* An instruction which unconditionally throws an exception
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*/
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public abstract class SSAThrowInstruction extends SSAAbstractThrowInstruction {
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protected SSAThrowInstruction(int index, int exception) {
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super(index, exception);
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}
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/*
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* @see com.ibm.wala.ssa.SSAInstruction#copyForSSA(com.ibm.wala.ssa.SSAInstructionFactory, int[], int[])
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*/
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@Override
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public SSAInstruction copyForSSA(SSAInstructionFactory insts, int[] defs, int[] uses) throws IllegalArgumentException {
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if (uses != null && uses.length != 1) {
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throw new IllegalArgumentException("if non-null, uses.length must be 1");
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}
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return insts.ThrowInstruction(iindex, uses == null ? getException() : uses[0]);
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}
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/**
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* @see com.ibm.wala.ssa.SSAInstruction#visit(IVisitor)
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*/
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@Override
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public void visit(IVisitor v) throws NullPointerException {
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v.visitThrow(this);
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}
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}
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