//
// Copyright (C) 2012 United States Government as represented by the
// Administrator of the National Aeronautics and Space Administration
// (NASA). All Rights Reserved.
//
// This software is distributed under the NASA Open Source Agreement
// (NOSA), version 1.3. The NOSA has been approved by the Open Source
// Initiative. See the file NOSA-1.3-JPF at the top of the distribution
// directory tree for the complete NOSA document.
//
// THE SUBJECT SOFTWARE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY OF ANY
// KIND, EITHER EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING, BUT NOT
// LIMITED TO, ANY WARRANTY THAT THE SUBJECT SOFTWARE WILL CONFORM TO
// SPECIFICATIONS, ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR
// A PARTICULAR PURPOSE, OR FREEDOM FROM INFRINGEMENT, ANY WARRANTY THAT
// THE SUBJECT SOFTWARE WILL BE ERROR FREE, OR ANY WARRANTY THAT
// DOCUMENTATION, IF PROVIDED, WILL CONFORM TO THE SUBJECT SOFTWARE.
//
package gov.nasa.jpf.conformanceChecker.checkers;
import gov.nasa.jpf.conformanceChecker.Inconsistency;
import gov.nasa.jpf.conformanceChecker.Inconsistency.InconsistencyType;
import gov.nasa.jpf.conformanceChecker.comparators.FieldInfoComparator;
import gov.nasa.jpf.conformanceChecker.providers.ProviderFactory;
import gov.nasa.jpf.conformanceChecker.providers.StandardClassProvider;
import gov.nasa.jpf.conformanceChecker.reporters.Reporter;
import gov.nasa.jpf.conformanceChecker.util.MaybeVersion;
import gov.nasa.jpf.jvm.ClassInfo;
import gov.nasa.jpf.jvm.FieldInfo;
import java.util.Arrays;
import java.util.List;
import java.util.Map;
/**
* Checker that looks if there are missing static fields
*
* @see InconsistencyType#MISSING_FIELD
*
* @author Matteo Ceccarello <matteo.ceccarello AT gmail.com>
*
*/
public class MissingStaticFieldChecker extends Checker{
FieldInfoComparator comparator = new FieldInfoComparator();
StandardClassProvider provider;
public MissingStaticFieldChecker(
List<Reporter> reporters, MemberLevel level) {
super(reporters, level);
this.provider = ProviderFactory.getStandardProvider();
}
public MissingStaticFieldChecker(
List<Reporter> reporters) {
super(reporters);
this.provider = ProviderFactory.getStandardProvider();
}
public MissingStaticFieldChecker() {
super();
this.provider = ProviderFactory.getStandardProvider();
}
@Override
public boolean check(ClassInfo cls) {
boolean noInconsistencies = true;
Map<MaybeVersion, ClassInfo> versions = provider.loadClassInfo(cls.getName());
FieldInfo[] modelFields = cls.getDeclaredStaticFields();
Arrays.sort(modelFields, comparator);
for(MaybeVersion ver : versions.keySet()) {
ClassInfo std = versions.get(ver);
FieldInfo[] stdFields = std.getDeclaredStaticFields();
for (FieldInfo f : stdFields) {
if(MemberLevel.getMemberLevel(f).compareTo(this.level) >= 0) {
if (Arrays.binarySearch(modelFields, f, comparator) < 0) {
signal(new Inconsistency(
InconsistencyType.MISSING_FIELD, ver, cls, f,
"This field is present in the library class, but " +
"missing in the library version."));
noInconsistencies = false;
}
}
}
}
return noInconsistencies;
}
}