/******************************************************************************* * 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; import java.util.Iterator; import com.ibm.wala.cfg.ControlFlowGraph; import com.ibm.wala.cfg.IBasicBlock; import com.ibm.wala.types.TypeReference; /** * Common interface to all SSA BasicBlocks */ public interface ISSABasicBlock extends IBasicBlock<SSAInstruction> { /** * Is this block a catch block */ @Override public boolean isCatchBlock(); /** * Does this block represent the unique exit from a {@link ControlFlowGraph}? */ @Override public boolean isExitBlock(); /** * Does this block represent the unique entry to a {@link ControlFlowGraph} */ @Override public boolean isEntryBlock(); /** * @return the phi instructions incoming to this block */ public Iterator<SSAPhiInstruction> iteratePhis(); /** * @return the pi instructions incoming to this block */ public Iterator<SSAPiInstruction> iteratePis(); /** * @return the last instruction in this block. */ public SSAInstruction getLastInstruction(); /** * @return the set of exception types this block may catch. */ public Iterator<TypeReference> getCaughtExceptionTypes(); }