soot.validation.LocalsValidator Maven / Gradle / Ivy
package soot.validation;
/*-
* #%L
* Soot - a J*va Optimization Framework
* %%
* Copyright (C) 1997 - 2018 Raja Vallée-Rai and others
* %%
* 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 java.util.List;
import soot.Body;
import soot.Local;
import soot.Value;
import soot.ValueBox;
public enum LocalsValidator implements BodyValidator {
INSTANCE;
public static LocalsValidator v() {
return INSTANCE;
}
@Override
/** Verifies that each Local of getUseAndDefBoxes() is in this body's locals Chain. */
public void validate(Body body, List exception) {
for (ValueBox vb : body.getUseBoxes()) {
validateLocal(body, vb, exception);
}
for (ValueBox vb : body.getDefBoxes()) {
validateLocal(body, vb, exception);
}
}
private void validateLocal(Body body, ValueBox vb, List exception) {
Value value;
if ((value = vb.getValue()) instanceof Local) {
if (!body.getLocals().contains(value)) {
exception.add(new ValidationException(value, "Local not in chain : " + value + " in " + body.getMethod()));
}
}
}
@Override
public boolean isBasicValidator() {
return true;
}
}