Mon, 28 Feb 2011 13:42:24 -0800
7022711: compiler crash in try-with-resources
Reviewed-by: mcimadamore
duke@1 | 1 | /* |
ohair@798 | 2 | * Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved. |
duke@1 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
duke@1 | 4 | * |
duke@1 | 5 | * This code is free software; you can redistribute it and/or modify it |
duke@1 | 6 | * under the terms of the GNU General Public License version 2 only, as |
duke@1 | 7 | * published by the Free Software Foundation. |
duke@1 | 8 | * |
duke@1 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
duke@1 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
duke@1 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
duke@1 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
duke@1 | 13 | * accompanied this code). |
duke@1 | 14 | * |
duke@1 | 15 | * You should have received a copy of the GNU General Public License version |
duke@1 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
duke@1 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
duke@1 | 18 | * |
ohair@554 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
ohair@554 | 20 | * or visit www.oracle.com if you need additional information or have any |
ohair@554 | 21 | * questions. |
duke@1 | 22 | */ |
duke@1 | 23 | |
duke@1 | 24 | /* |
duke@1 | 25 | * @test |
duke@1 | 26 | * @bug 6402516 |
duke@1 | 27 | * @summary need Trees.getScope(TreePath) |
duke@1 | 28 | * @build Checker CheckLocalElements |
duke@1 | 29 | * @run main CheckLocalElements |
duke@1 | 30 | */ |
duke@1 | 31 | |
duke@1 | 32 | import java.util.*; |
duke@1 | 33 | import com.sun.source.tree.*; |
duke@1 | 34 | import javax.lang.model.element.*; |
duke@1 | 35 | import javax.lang.model.util.*; |
duke@1 | 36 | |
duke@1 | 37 | /* |
duke@1 | 38 | * Check the local elements of a scope against the contents of string literals. |
duke@1 | 39 | */ |
duke@1 | 40 | public class CheckLocalElements extends Checker { |
duke@1 | 41 | public static void main(String... args) throws Exception { |
duke@1 | 42 | Checker chk = new CheckLocalElements(); |
duke@1 | 43 | chk.check("TestLocalElements.java"); |
duke@1 | 44 | } |
duke@1 | 45 | |
duke@1 | 46 | @Override |
duke@1 | 47 | protected boolean checkLocal(Scope s, String ref) { |
duke@1 | 48 | Iterator<? extends Element> elemIter = s.getLocalElements().iterator(); |
duke@1 | 49 | ref = ref.trim(); |
duke@1 | 50 | String[] refs = ref.length() == 0 ? new String[0] : ref.split("[ ]*,[ ]*", -1); |
duke@1 | 51 | Iterator<String> refIter = Arrays.asList(refs).iterator(); |
duke@1 | 52 | String r = null; |
duke@1 | 53 | |
duke@1 | 54 | nextElem: |
duke@1 | 55 | while (elemIter.hasNext()) { |
duke@1 | 56 | Element e = elemIter.next(); |
duke@1 | 57 | try { |
duke@1 | 58 | if (r == null) |
duke@1 | 59 | r = refIter.next(); |
duke@1 | 60 | |
duke@1 | 61 | while (r.endsWith(".*")) { |
duke@1 | 62 | String encl = getEnclosingName(e); |
duke@1 | 63 | String rBase = r.substring(0, r.length() - 2); |
duke@1 | 64 | if (encl.equals(rBase) || encl.startsWith(rBase + ".")) |
duke@1 | 65 | continue nextElem; |
duke@1 | 66 | r = refIter.next(); |
duke@1 | 67 | } |
duke@1 | 68 | |
duke@1 | 69 | if (r.equals("-") && (e.getSimpleName().length() == 0) |
duke@1 | 70 | || e.getSimpleName().toString().equals(r)) { |
duke@1 | 71 | r = null; |
duke@1 | 72 | continue nextElem; |
duke@1 | 73 | } |
duke@1 | 74 | |
duke@1 | 75 | error(s, ref, "mismatch: " + e.getSimpleName() + " " + r); |
duke@1 | 76 | return false; |
duke@1 | 77 | |
duke@1 | 78 | } catch (NoSuchElementException ex) { // from refIter.next() |
duke@1 | 79 | error(s, null, "scope has unexpected entry: " + e.getSimpleName()); |
duke@1 | 80 | return false; |
duke@1 | 81 | } |
duke@1 | 82 | |
duke@1 | 83 | } |
duke@1 | 84 | |
duke@1 | 85 | if (refIter.hasNext()) { |
duke@1 | 86 | error(s, ref, "scope is missing entry: " + refIter.next()); |
duke@1 | 87 | return false; |
duke@1 | 88 | } |
duke@1 | 89 | |
duke@1 | 90 | return true; |
duke@1 | 91 | } |
duke@1 | 92 | |
duke@1 | 93 | private String getEnclosingName(Element e) { |
duke@1 | 94 | Element encl = e.getEnclosingElement(); |
duke@1 | 95 | return encl == null ? "" : encl.accept(qualNameVisitor, null); |
duke@1 | 96 | } |
duke@1 | 97 | |
darcy@575 | 98 | private ElementVisitor<String,Void> qualNameVisitor = new SimpleElementVisitor7<String,Void>() { |
duke@1 | 99 | protected String defaultAction(Element e, Void ignore) { |
duke@1 | 100 | return ""; |
duke@1 | 101 | } |
duke@1 | 102 | |
duke@1 | 103 | public String visitPackage(PackageElement e, Void ignore) { |
duke@1 | 104 | return e.getQualifiedName().toString(); |
duke@1 | 105 | } |
duke@1 | 106 | |
duke@1 | 107 | public String visitType(TypeElement e, Void ignore) { |
duke@1 | 108 | return e.getQualifiedName().toString(); |
duke@1 | 109 | } |
duke@1 | 110 | }; |
duke@1 | 111 | } |