duke@1: /*
ohair@798:  * Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved.
duke@1:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@1:  *
duke@1:  * This code is free software; you can redistribute it and/or modify it
duke@1:  * under the terms of the GNU General Public License version 2 only, as
duke@1:  * published by the Free Software Foundation.
duke@1:  *
duke@1:  * This code is distributed in the hope that it will be useful, but WITHOUT
duke@1:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@1:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
duke@1:  * version 2 for more details (a copy is included in the LICENSE file that
duke@1:  * accompanied this code).
duke@1:  *
duke@1:  * You should have received a copy of the GNU General Public License version
duke@1:  * 2 along with this work; if not, write to the Free Software Foundation,
duke@1:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@1:  *
ohair@554:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
ohair@554:  * or visit www.oracle.com if you need additional information or have any
ohair@554:  * questions.
duke@1:  */
duke@1: 
duke@1: /*
duke@1:  * @test
duke@1:  * @bug 6402516
duke@1:  * @summary need Trees.getScope(TreePath)
duke@1:  * @build Checker CheckLocalElements
duke@1:  * @run main CheckLocalElements
duke@1:  */
duke@1: 
duke@1: import java.util.*;
duke@1: import com.sun.source.tree.*;
duke@1: import javax.lang.model.element.*;
duke@1: import javax.lang.model.util.*;
duke@1: 
duke@1: /*
duke@1:  * Check the local elements of a scope against the contents of string literals.
duke@1:  */
duke@1: public class CheckLocalElements extends Checker {
duke@1:     public static void main(String... args) throws Exception {
duke@1:         Checker chk = new CheckLocalElements();
duke@1:         chk.check("TestLocalElements.java");
duke@1:     }
duke@1: 
duke@1:     @Override
duke@1:     protected boolean checkLocal(Scope s, String ref) {
duke@1:         Iterator<? extends Element> elemIter = s.getLocalElements().iterator();
duke@1:         ref = ref.trim();
duke@1:         String[] refs = ref.length() == 0 ? new String[0] : ref.split("[ ]*,[ ]*", -1);
duke@1:         Iterator<String> refIter = Arrays.asList(refs).iterator();
duke@1:         String r = null;
duke@1: 
duke@1:         nextElem:
duke@1:         while (elemIter.hasNext()) {
duke@1:             Element e = elemIter.next();
duke@1:             try {
duke@1:                 if (r == null)
duke@1:                     r = refIter.next();
duke@1: 
duke@1:                 while (r.endsWith(".*")) {
duke@1:                     String encl = getEnclosingName(e);
duke@1:                     String rBase = r.substring(0, r.length() - 2);
duke@1:                     if (encl.equals(rBase) || encl.startsWith(rBase + "."))
duke@1:                         continue nextElem;
duke@1:                     r = refIter.next();
duke@1:                 }
duke@1: 
duke@1:                 if (r.equals("-") && (e.getSimpleName().length() == 0)
duke@1:                     || e.getSimpleName().toString().equals(r)) {
duke@1:                     r = null;
duke@1:                     continue nextElem;
duke@1:                 }
duke@1: 
duke@1:                 error(s, ref, "mismatch: " + e.getSimpleName() + " " + r);
duke@1:                 return false;
duke@1: 
duke@1:             } catch (NoSuchElementException ex) { // from refIter.next()
duke@1:                 error(s, null, "scope has unexpected entry: " + e.getSimpleName());
duke@1:                 return false;
duke@1:             }
duke@1: 
duke@1:         }
duke@1: 
duke@1:         if (refIter.hasNext()) {
duke@1:             error(s, ref, "scope is missing entry: " + refIter.next());
duke@1:             return false;
duke@1:         }
duke@1: 
duke@1:         return true;
duke@1:     }
duke@1: 
duke@1:     private String getEnclosingName(Element e) {
duke@1:         Element encl = e.getEnclosingElement();
duke@1:         return encl == null ? "" : encl.accept(qualNameVisitor, null);
duke@1:     }
duke@1: 
darcy@575:     private ElementVisitor<String,Void> qualNameVisitor = new SimpleElementVisitor7<String,Void>() {
duke@1:         protected String defaultAction(Element e, Void ignore) {
duke@1:             return "";
duke@1:         }
duke@1: 
duke@1:         public String visitPackage(PackageElement e, Void ignore) {
duke@1:             return e.getQualifiedName().toString();
duke@1:         }
duke@1: 
duke@1:         public String visitType(TypeElement e, Void ignore) {
duke@1:             return e.getQualifiedName().toString();
duke@1:         }
duke@1:     };
duke@1: }