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AbstractValueBox.java
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63 lines (55 loc) · 1.69 KB
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package soot;
/*-
* #%L
* Soot - a J*va Optimization Framework
* %%
* Copyright (C) 1997 - 1999 Raja Vallee-Rai
* %%
* 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
* <http://www.gnu.org/licenses/lgpl-2.1.html>.
* #L%
*/
import soot.tagkit.AbstractHost;
/**
* Reference implementation for ValueBox; just add a canContainValue method.
*/
@SuppressWarnings("serial")
public abstract class AbstractValueBox extends AbstractHost implements ValueBox {
protected Value value;
@Override
public void setValue(Value value) {
if (value == null) {
throw new IllegalArgumentException("value may not be null");
}
if (canContainValue(value)) {
this.value = value;
} else {
throw new RuntimeException("Box " + this + " cannot contain value: " + value + "(" + value.getClass() + ")");
}
}
@Override
public Value getValue() {
return value;
}
@Override
public void toString(UnitPrinter up) {
up.startValueBox(this);
value.toString(up);
up.endValueBox(this);
}
@Override
public String toString() {
return getClass().getSimpleName() + "(" + value + ")";
}
}