73 lines
2.2 KiB
Java
73 lines
2.2 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 com.ibm.wala.ssa.*;
|
|
import com.ibm.wala.util.debug.Assertions;
|
|
|
|
public class AstLexicalRead extends AstLexicalAccess {
|
|
|
|
public AstLexicalRead(Access[] accesses) {
|
|
super(accesses);
|
|
}
|
|
|
|
public AstLexicalRead(Access access) {
|
|
this(new Access[]{ access });
|
|
}
|
|
|
|
public AstLexicalRead(int lhs, String definer, String globalName) {
|
|
this(new Access(globalName, definer, lhs));
|
|
}
|
|
|
|
public SSAInstruction copyForSSA(int[] defs, int[] uses) {
|
|
if (defs==null) {
|
|
return new AstLexicalRead( getAccesses() );
|
|
} else {
|
|
Access[] accesses = new Access[ getAccessCount() ];
|
|
for(int i = 0; i < accesses.length; i++) {
|
|
Access oldAccess = getAccess(i);
|
|
accesses[i] = new Access(oldAccess.variableName, oldAccess.variableDefiner, defs[i]);
|
|
}
|
|
|
|
return new AstLexicalRead(accesses);
|
|
}
|
|
}
|
|
|
|
public int getNumberOfDefs() { return getAccessCount(); }
|
|
|
|
public int getDef(int i) { return getAccess(i).valueNumber; }
|
|
|
|
public int getNumberOfUses() { return 0; }
|
|
|
|
public int getUse(int i) { throw new UnsupportedOperationException(); }
|
|
|
|
public String toString(SymbolTable symbolTable, ValueDecorator d) {
|
|
StringBuffer sb = new StringBuffer();
|
|
for(int i = 0; i < getAccessCount(); i++) {
|
|
Access A = getAccess(i);
|
|
if (i != 0) sb.append(", ");
|
|
sb.append(getValueString(symbolTable, d, A.valueNumber));
|
|
sb.append(" = lexical:");
|
|
sb.append(A.variableName);
|
|
sb.append("@");
|
|
sb.append(A.variableDefiner);
|
|
}
|
|
|
|
return sb.toString();
|
|
}
|
|
|
|
public void visit(IVisitor v) {
|
|
Assertions._assert(v instanceof AstInstructionVisitor);
|
|
((AstInstructionVisitor)v).visitAstLexicalRead(this);
|
|
}
|
|
}
|