WALA/com.ibm.wala.core/src/com/ibm/wala/ssa/SSALoadIndirectInstruction....

55 lines
1.6 KiB
Java

/*******************************************************************************
* Copyright (c) 2007 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 com.ibm.wala.types.TypeReference;
import com.ibm.wala.util.debug.Assertions;
/**
* A load from a pointer.
*
* v = *p
*/
public class SSALoadIndirectInstruction extends SSAAbstractUnaryInstruction {
private final TypeReference loadedType;
/**
* @param lval the value number which is def'fed by this instruction.
* @param addressVal the value number holding the pointer p deferenced (*p)
*/
public SSALoadIndirectInstruction(int index, int lval, TypeReference t, int addressVal) {
super(index, lval, addressVal);
this.loadedType = t;
}
public TypeReference getLoadedType() {
return loadedType;
}
@Override
public SSAInstruction copyForSSA(SSAInstructionFactory insts, int[] defs, int[] uses) {
Assertions.UNREACHABLE("not implemented");
return null;
}
@Override
public String toString(SymbolTable symbolTable) {
return getValueString(symbolTable, getDef(0)) + " = *" + getValueString(symbolTable, getUse(0)) + ": " + loadedType;
}
@Override
public void visit(IVisitor v) {
((IVisitorWithAddresses)v).visitLoadIndirect(this);
}
}