WALA/com.ibm.wala.cast/source/java/com/ibm/wala/cast/ir/ssa/AstGlobalRead.java

49 lines
1.4 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.cast.ir.ssa;
import java.util.Collection;
import com.ibm.wala.ssa.*;
import com.ibm.wala.types.*;
public class AstGlobalRead extends SSAGetInstruction {
public AstGlobalRead(int lhs, FieldReference global) {
super(lhs, global);
}
public SSAInstruction copyForSSA(int[] defs, int[] uses) {
return new AstGlobalRead((defs==null)? getDef(): defs[0], getDeclaredField());
}
public String toString(SymbolTable symbolTable, ValueDecorator d) {
return getValueString(symbolTable, d, getDef()) + " = global:" + getGlobalName();
}
public void visit(IVisitor v) {
if (v instanceof AstInstructionVisitor)
((AstInstructionVisitor)v).visitAstGlobalRead(this);
}
public boolean isFallThrough() {
return true;
}
public Collection getExceptionTypes() {
return null;
}
public String getGlobalName() {
return getDeclaredField().getName().toString();
}
}