1 /* 2 * Copyright (c) 2006, 2011, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * @test 26 * @bug 6402516 27 * @summary need Trees.getScope(TreePath) 28 * @build Checker CheckLocalElements 29 * @run main CheckLocalElements 30 */ 31 32 import java.util.*; 33 import com.sun.source.tree.*; 34 import javax.lang.model.element.*; 35 import javax.lang.model.util.*; 36 37 /* 38 * Check the local elements of a scope against the contents of string literals. 39 */ 40 public class CheckLocalElements extends Checker { 41 public static void main(String... args) throws Exception { 42 Checker chk = new CheckLocalElements(); 43 chk.check("TestLocalElements.java"); 44 } 45 46 @Override 47 protected boolean checkLocal(Scope s, String ref) { 48 Iterator<? extends Element> elemIter = s.getLocalElements().iterator(); 49 ref = ref.trim(); 50 String[] refs = ref.length() == 0 ? new String[0] : ref.split("[ ]*,[ ]*", -1); 51 Iterator<String> refIter = Arrays.asList(refs).iterator(); 52 String r = null; 53 54 nextElem: 55 while (elemIter.hasNext()) { 56 Element e = elemIter.next(); 57 try { 58 if (r == null) 59 r = refIter.next(); 60 61 while (r.endsWith(".*")) { 62 String encl = getEnclosingName(e); 63 String rBase = r.substring(0, r.length() - 2); 64 if (encl.equals(rBase) || encl.startsWith(rBase + ".")) 65 continue nextElem; 66 r = refIter.next(); 67 } 68 69 if (r.equals("-") && (e.getSimpleName().length() == 0) 70 || e.getSimpleName().toString().equals(r)) { 71 r = null; 72 continue nextElem; 73 } 74 75 error(s, ref, "mismatch: " + e.getSimpleName() + " " + r); 76 return false; 77 78 } catch (NoSuchElementException ex) { // from refIter.next() 79 error(s, null, "scope has unexpected entry: " + e.getSimpleName()); 80 return false; 81 } 82 83 } 84 85 if (refIter.hasNext()) { 86 error(s, ref, "scope is missing entry: " + refIter.next()); 87 return false; 88 } 89 90 return true; 91 } 92 93 private String getEnclosingName(Element e) { 94 Element encl = e.getEnclosingElement(); 95 return encl == null ? "" : encl.accept(qualNameVisitor, null); 96 } 97 98 private ElementVisitor<String,Void> qualNameVisitor = new SimpleElementVisitor8<String,Void>() { 99 protected String defaultAction(Element e, Void ignore) { 100 return ""; 101 } 102 103 public String visitPackage(PackageElement e, Void ignore) { 104 return e.getQualifiedName().toString(); 105 } 106 107 public String visitType(TypeElement e, Void ignore) { 108 return e.getQualifiedName().toString(); 109 } 110 }; 111 }