/*******************************************************************************
* 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.ipa.callgraph.propagation;
import com.ibm.wala.cfg.ControlFlowGraph;
import com.ibm.wala.ipa.callgraph.CGNode;
import com.ibm.wala.ipa.callgraph.propagation.rta.RTAContextInterpreter;
import com.ibm.wala.ssa.DefUse;
import com.ibm.wala.ssa.IR;
import com.ibm.wala.ssa.ISSABasicBlock;
import com.ibm.wala.ssa.SSAInstruction;
/**
* An object that provides an interface to local method information needed for CFA.
*/
public interface SSAContextInterpreter extends RTAContextInterpreter {
/**
* @return the IR that models the method context, or null if it's an unmodelled native method
*/
public IR getIR(CGNode node);
/**
* @return DefUse for the IR that models the method context, or null if it's an unmodelled native method
*/
public DefUse getDU(CGNode node);
/**
* @return the number of the statements in the IR, or -1 if it's an unmodelled native method.
*/
public int getNumberOfStatements(CGNode node);
public ControlFlowGraph<SSAInstruction, ISSABasicBlock> getCFG(CGNode n);
}