/*
* FindBugs - Find bugs in Java programs
* Copyright (C) 2004-2006 University of Maryland
*
* This library 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 library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package edu.umd.cs.findbugs.detect;
import org.apache.bcel.classfile.Field;
import org.apache.bcel.classfile.FieldOrMethod;
import org.apache.bcel.classfile.LocalVariable;
import org.apache.bcel.classfile.Method;
import edu.umd.cs.findbugs.BugInstance;
import edu.umd.cs.findbugs.BugReporter;
import edu.umd.cs.findbugs.LocalVariableAnnotation;
import edu.umd.cs.findbugs.SourceLineAnnotation;
import edu.umd.cs.findbugs.bcel.PreorderDetector;
public class DontUseEnum extends PreorderDetector {
BugReporter bugReporter;
public DontUseEnum(BugReporter bugReporter) {
this.bugReporter = bugReporter;
}
@Override
public void visit(Method obj) {
if (isReservedName(obj.getName())) {
BugInstance bug = new BugInstance(this, "NM_FUTURE_KEYWORD_USED_AS_MEMBER_IDENTIFIER", isVisible(obj) ? HIGH_PRIORITY
: NORMAL_PRIORITY).addClassAndMethod(this);
bugReporter.reportBug(bug);
}
}
private boolean isVisible(FieldOrMethod obj) {
return (obj.getAccessFlags() & ACC_PUBLIC) != 0 || (obj.getAccessFlags() & ACC_PROTECTED) != 0;
}
private boolean isReservedName(String name) {
return name.equals("enum") || name.equals("assert");
}
@Override
public void visit(Field obj) {
if (isReservedName(obj.getName())) {
BugInstance bug = new BugInstance(this, "NM_FUTURE_KEYWORD_USED_AS_MEMBER_IDENTIFIER", isVisible(obj) ? HIGH_PRIORITY
: NORMAL_PRIORITY).addClass(this).addField(this);
bugReporter.reportBug(bug);
}
}
@Override
public void visit(LocalVariable obj) {
if (isReservedName(obj.getName())) {
LocalVariableAnnotation var = new LocalVariableAnnotation(obj.getName(), obj.getIndex(), obj.getStartPC());
SourceLineAnnotation source = SourceLineAnnotation.fromVisitedInstruction(getClassContext(), this, obj.getStartPC());
BugInstance bug = new BugInstance(this, "NM_FUTURE_KEYWORD_USED_AS_IDENTIFIER", NORMAL_PRIORITY)
.addClassAndMethod(this).add(var).add(source);
bugReporter.reportBug(bug);
}
}
}