soot.jimple.validation.TypesValidator Maven / Gradle / Ivy
package soot.jimple.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.SootMethod;
import soot.Type;
import soot.validation.BodyValidator;
import soot.validation.ValidationException;
/**
* Checks whether the types used for locals, method parameters, and method return values are allowed in final Jimple code.
* This reports an error if a method uses e.g., null_type.
*/
public enum TypesValidator implements BodyValidator {
INSTANCE;
public static TypesValidator v() {
return INSTANCE;
}
@Override
public void validate(Body body, List exceptions) {
SootMethod method = body.getMethod();
if (method != null) {
if (!method.getReturnType().isAllowedInFinalCode()) {
exceptions.add(new ValidationException(method, "Return type not allowed in final code: " + method.getReturnType(),
"return type not allowed in final code:" + method.getReturnType() + "\n method: " + method));
}
for (Type t : method.getParameterTypes()) {
if (!t.isAllowedInFinalCode()) {
exceptions.add(new ValidationException(method, "Parameter type not allowed in final code: " + t,
"parameter type not allowed in final code:" + t + "\n method: " + method));
}
}
}
for (Local l : body.getLocals()) {
Type t = l.getType();
if (!t.isAllowedInFinalCode()) {
exceptions.add(new ValidationException(l, "Local type not allowed in final code: " + t,
"(" + method + ") local type not allowed in final code: " + t + " local: " + l));
}
}
}
@Override
public boolean isBasicValidator() {
return true;
}
}