soot.grimp.internal.ObjExprBox Maven / Gradle / Ivy
package soot.grimp.internal;
/*-
* #%L
* Soot - a J*va Optimization Framework
* %%
* Copyright (C) 1999 Patrick Lam
* %%
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation, either version 2.1 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Lesser Public License for more details.
*
* You should have received a copy of the GNU General Lesser Public
* License along with this program. If not, see
* .
* #L%
*/
import soot.Local;
import soot.Value;
import soot.jimple.CastExpr;
import soot.jimple.ClassConstant;
import soot.jimple.ConcreteRef;
import soot.jimple.InvokeExpr;
import soot.jimple.NewArrayExpr;
import soot.jimple.NewMultiArrayExpr;
import soot.jimple.NullConstant;
import soot.jimple.StringConstant;
public class ObjExprBox extends ExprBox {
/* an ExprBox which can only contain object-looking references */
public ObjExprBox(Value value) {
super(value);
}
public boolean canContainValue(Value value) {
return value instanceof ConcreteRef || value instanceof InvokeExpr || value instanceof NewArrayExpr
|| value instanceof NewMultiArrayExpr || value instanceof Local || value instanceof NullConstant
|| value instanceof StringConstant || value instanceof ClassConstant
|| (value instanceof CastExpr && canContainValue(((CastExpr) value).getOp()));
}
}