Thu, 04 Nov 2010 12:57:48 +0000
6993963: Project Coin: Use precise exception analysis for effectively final catch parameters
Summary: More precise rethrow analysis should be extended to effectively-final exception parameters. Multicatch parameters should be made implicitly final.
Reviewed-by: jjg, darcy
duke@1 | 1 | /* |
ohair@554 | 2 | * Copyright (c) 2004, 2007, 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 | import com.sun.mirror.apt.*; |
duke@1 | 26 | import com.sun.mirror.declaration.*; |
duke@1 | 27 | import com.sun.mirror.type.*; |
duke@1 | 28 | import com.sun.mirror.util.*; |
duke@1 | 29 | |
duke@1 | 30 | import java.util.Collection; |
duke@1 | 31 | import java.util.Set; |
duke@1 | 32 | import java.util.Arrays; |
duke@1 | 33 | |
duke@1 | 34 | import static java.util.Collections.*; |
duke@1 | 35 | import static com.sun.mirror.util.DeclarationVisitors.*; |
duke@1 | 36 | |
duke@1 | 37 | /* |
duke@1 | 38 | * The processor of this factory verifies class members are returned |
duke@1 | 39 | * in source-code order. |
duke@1 | 40 | */ |
duke@1 | 41 | public class MemberOrderApf implements AnnotationProcessorFactory { |
duke@1 | 42 | // Process any set of annotations |
duke@1 | 43 | private static final Collection<String> supportedAnnotations |
duke@1 | 44 | = unmodifiableCollection(Arrays.asList("*")); |
duke@1 | 45 | |
duke@1 | 46 | // No supported options |
duke@1 | 47 | private static final Collection<String> supportedOptions = emptySet(); |
duke@1 | 48 | |
duke@1 | 49 | public Collection<String> supportedAnnotationTypes() { |
duke@1 | 50 | return supportedAnnotations; |
duke@1 | 51 | } |
duke@1 | 52 | |
duke@1 | 53 | public Collection<String> supportedOptions() { |
duke@1 | 54 | return supportedOptions; |
duke@1 | 55 | } |
duke@1 | 56 | |
duke@1 | 57 | public AnnotationProcessor getProcessorFor( |
duke@1 | 58 | Set<AnnotationTypeDeclaration> atds, |
duke@1 | 59 | AnnotationProcessorEnvironment env) { |
duke@1 | 60 | return new MemberOrderAp(env); |
duke@1 | 61 | } |
duke@1 | 62 | |
duke@1 | 63 | private static class MemberOrderAp implements AnnotationProcessor { |
duke@1 | 64 | private final AnnotationProcessorEnvironment env; |
duke@1 | 65 | MemberOrderAp(AnnotationProcessorEnvironment env) { |
duke@1 | 66 | this.env = env; |
duke@1 | 67 | } |
duke@1 | 68 | |
duke@1 | 69 | private void verifyOrder(Collection<? extends Declaration> decls) { |
duke@1 | 70 | int count = 0; |
duke@1 | 71 | for(Declaration decl: decls) { |
duke@1 | 72 | VisitOrder order = decl.getAnnotation(VisitOrder.class); |
duke@1 | 73 | if (order.value() <= count) |
duke@1 | 74 | throw new RuntimeException("Out of order declarations"); |
duke@1 | 75 | count = order.value(); |
duke@1 | 76 | } |
duke@1 | 77 | } |
duke@1 | 78 | |
duke@1 | 79 | public void process() { |
duke@1 | 80 | for(TypeDeclaration td: env.getSpecifiedTypeDeclarations()) { |
duke@1 | 81 | verifyOrder(td.getFields()); |
duke@1 | 82 | verifyOrder(td.getMethods()); |
duke@1 | 83 | } |
duke@1 | 84 | } |
duke@1 | 85 | } |
duke@1 | 86 | } |