WALA/com.ibm.wala.core/src/com/ibm/wala/ssa/SSAGotoInstruction.java

58 lines
1.5 KiB
Java

/*******************************************************************************
* 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;
/**
* Unconditional branch instruction for SSA form.
*/
public class SSAGotoInstruction extends SSAInstruction {
public SSAGotoInstruction(int index) {
super(index);
}
@Override
public SSAInstruction copyForSSA(SSAInstructionFactory insts, int[] defs, int[] uses) {
return insts.GotoInstruction(iindex);
}
@Override
public String toString(SymbolTable symbolTable) {
return "goto";
}
/**
* @see com.ibm.wala.ssa.SSAInstruction#visit(IVisitor)
* @throws IllegalArgumentException
* if v is null
*/
@Override
public void visit(IVisitor v) {
if (v == null) {
throw new IllegalArgumentException("v is null");
}
v.visitGoto(this);
}
@Override
public int hashCode() {
return 1409; // XXX weak!
}
/*
* @see com.ibm.wala.ssa.Instruction#isFallThrough()
*/
@Override
public boolean isFallThrough() {
return false;
}
}