1.1 --- a/sandbox/java.hints/hintsimpl/src/org/netbeans/modules/jackpot30/hintsimpl/GlobalyUnused.java	Mon Dec 19 11:37:36 2016 +0100
     1.2 +++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.3 @@ -1,120 +0,0 @@
     1.4 -/*
     1.5 - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
     1.6 - *
     1.7 - * Copyright 2013 Oracle and/or its affiliates. All rights reserved.
     1.8 - *
     1.9 - * Oracle and Java are registered trademarks of Oracle and/or its affiliates.
    1.10 - * Other names may be trademarks of their respective owners.
    1.11 - *
    1.12 - * The contents of this file are subject to the terms of either the GNU
    1.13 - * General Public License Version 2 only ("GPL") or the Common
    1.14 - * Development and Distribution License("CDDL") (collectively, the
    1.15 - * "License"). You may not use this file except in compliance with the
    1.16 - * License. You can obtain a copy of the License at
    1.17 - * http://www.netbeans.org/cddl-gplv2.html
    1.18 - * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
    1.19 - * specific language governing permissions and limitations under the
    1.20 - * License.  When distributing the software, include this License Header
    1.21 - * Notice in each file and include the License file at
    1.22 - * nbbuild/licenses/CDDL-GPL-2-CP.  Oracle designates this
    1.23 - * particular file as subject to the "Classpath" exception as provided
    1.24 - * by Oracle in the GPL Version 2 section of the License file that
    1.25 - * accompanied this code. If applicable, add the following below the
    1.26 - * License Header, with the fields enclosed by brackets [] replaced by
    1.27 - * your own identifying information:
    1.28 - * "Portions Copyrighted [year] [name of copyright owner]"
    1.29 - *
    1.30 - * If you wish your version of this file to be governed by only the CDDL
    1.31 - * or only the GPL Version 2, indicate your decision by adding
    1.32 - * "[Contributor] elects to include this software in this distribution
    1.33 - * under the [CDDL or GPL Version 2] license." If you do not indicate a
    1.34 - * single choice of license, a recipient has the option to distribute
    1.35 - * your version of this file under either the CDDL, the GPL Version 2 or
    1.36 - * to extend the choice of license to its licensees as provided above.
    1.37 - * However, if you add GPL Version 2 code and therefore, elected the GPL
    1.38 - * Version 2 license, then the option applies only if the new code is
    1.39 - * made subject to such option by the copyright holder.
    1.40 - *
    1.41 - * Contributor(s):
    1.42 - *
    1.43 - * Portions Copyrighted 2013 Sun Microsystems, Inc.
    1.44 - */
    1.45 -package org.netbeans.modules.jackpot30.hintsimpl;
    1.46 -
    1.47 -import com.sun.source.tree.Tree.Kind;
    1.48 -import javax.lang.model.element.Element;
    1.49 -import javax.lang.model.element.ElementKind;
    1.50 -import javax.lang.model.type.TypeKind;
    1.51 -import org.netbeans.api.java.source.TreePathHandle;
    1.52 -import org.netbeans.spi.editor.hints.ErrorDescription;
    1.53 -import org.netbeans.spi.java.hints.Decision;
    1.54 -import org.netbeans.spi.java.hints.Decision.Factory;
    1.55 -import org.netbeans.spi.java.hints.ErrorDescriptionFactory;
    1.56 -import org.netbeans.spi.java.hints.Hint;
    1.57 -import org.netbeans.spi.java.hints.HintContext;
    1.58 -import org.netbeans.spi.java.hints.TriggerDecision;
    1.59 -import org.netbeans.spi.java.hints.TriggerTreeKind;
    1.60 -
    1.61 -/**
    1.62 - *
    1.63 - * @author lahvac
    1.64 - */
    1.65 -@Hint(displayName="Unused", description="Unused", category="general")
    1.66 -public class GlobalyUnused {
    1.67 -    
    1.68 -    @TriggerTreeKind({Kind.IDENTIFIER, Kind.MEMBER_SELECT})
    1.69 -    public static ErrorDescription usage(HintContext ctx) {
    1.70 -        DecisionImpl d = decisionOrNull(ctx);
    1.71 -        
    1.72 -        if (d != null) {
    1.73 -            System.err.println("recording usage");
    1.74 -            d.recordLocalFact(ctx.getInfo(), null);
    1.75 -        }
    1.76 -        
    1.77 -        return null;
    1.78 -    }
    1.79 -    
    1.80 -    @TriggerTreeKind({Kind.CLASS})
    1.81 -    public static ErrorDescription declaration(HintContext ctx) {
    1.82 -        decisionOrNull(ctx);
    1.83 -        return null;
    1.84 -    }
    1.85 -    
    1.86 -    @TriggerDecision(DecisionImpl.class)
    1.87 -    public static ErrorDescription produceWarning(HintContext ctx) {
    1.88 -        if (((DecisionImpl) ctx.decision).getCurrentResult() != Boolean.TRUE) {
    1.89 -            return ErrorDescriptionFactory.forName(ctx, ctx.getPath(), "Unused");
    1.90 -        }
    1.91 -        
    1.92 -        return null;
    1.93 -    }
    1.94 -    
    1.95 -    private static DecisionImpl decisionOrNull(HintContext ctx) {
    1.96 -        Element el = ctx.getInfo().getTrees().getElement(ctx.getPath());
    1.97 -        
    1.98 -        if (el == null || (el.asType() != null && el.asType().getKind() == TypeKind.ERROR) || el.getKind() != ElementKind.CLASS) return null;
    1.99 -        
   1.100 -        TreePathHandle h = TreePathHandle.create(el, ctx.getInfo());
   1.101 -        
   1.102 -        System.err.println("decision for: " + el);
   1.103 -        return ctx.findDecision(h, new Factory<Void, Boolean, DecisionImpl>(DecisionImpl.class) {
   1.104 -            @Override
   1.105 -            public DecisionImpl create(TreePathHandle handle) {
   1.106 -                return new DecisionImpl(handle);
   1.107 -            }
   1.108 -        });
   1.109 -    }
   1.110 -    
   1.111 -    private static final class DecisionImpl extends Decision<Void, Boolean> {
   1.112 -
   1.113 -        public DecisionImpl(TreePathHandle root) {
   1.114 -            super(root);
   1.115 -        }
   1.116 -
   1.117 -        @Override
   1.118 -        protected Boolean makeDecision(Iterable<? extends Void> input) {
   1.119 -            return input.iterator().hasNext();
   1.120 -        }
   1.121 -        
   1.122 -    }
   1.123 -}