/*******************************************************************************
* Copyright (c) 2002 - 2006 IBM Corporation.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package com.ibm.wala.ssa;
/**
* An instruction which unconditionally throws an exception
*/
public abstract class SSAThrowInstruction extends SSAAbstractThrowInstruction {
protected SSAThrowInstruction(int iindex, int exception) {
super(iindex, exception);
}
/*
* @see com.ibm.wala.ssa.SSAInstruction#copyForSSA(com.ibm.wala.ssa.SSAInstructionFactory, int[], int[])
*/
@Override
public SSAInstruction copyForSSA(SSAInstructionFactory insts, int[] defs, int[] uses) throws IllegalArgumentException {
if (uses != null && uses.length != 1) {
throw new IllegalArgumentException("if non-null, uses.length must be 1");
}
return insts.ThrowInstruction(iindex, uses == null ? getException() : uses[0]);
}
/**
* @see com.ibm.wala.ssa.SSAInstruction#visit(IVisitor)
*/
@Override
public void visit(IVisitor v) throws NullPointerException {
v.visitThrow(this);
}
}