Fri, 31 Aug 2012 10:37:46 +0100
7151010: Add compiler support for repeating annotations
Reviewed-by: jjg, mcimadamore
1 /*
2 * Copyright (c) 2001, 2012, 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. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
26 package com.sun.tools.javadoc;
29 import javax.tools.JavaFileObject;
31 import com.sun.tools.javac.code.Kinds;
32 import com.sun.tools.javac.code.Symbol.*;
33 import com.sun.tools.javac.comp.Enter;
34 import com.sun.tools.javac.tree.JCTree.*;
35 import com.sun.tools.javac.tree.TreeInfo;
36 import com.sun.tools.javac.util.Context;
37 import com.sun.tools.javac.util.JCDiagnostic.DiagnosticPosition;
38 import com.sun.tools.javac.util.List;
40 /**
41 * Javadoc's own enter phase does a few things above and beyond that
42 * done by javac.
43 * @author Neal Gafter
44 */
45 public class JavadocEnter extends Enter {
46 public static JavadocEnter instance0(Context context) {
47 Enter instance = context.get(enterKey);
48 if (instance == null)
49 instance = new JavadocEnter(context);
50 return (JavadocEnter)instance;
51 }
53 public static void preRegister(Context context) {
54 context.put(enterKey, new Context.Factory<Enter>() {
55 public Enter make(Context c) {
56 return new JavadocEnter(c);
57 }
58 });
59 }
61 protected JavadocEnter(Context context) {
62 super(context);
63 messager = Messager.instance0(context);
64 docenv = DocEnv.instance(context);
65 }
67 final Messager messager;
68 final DocEnv docenv;
70 @Override
71 public void main(List<JCCompilationUnit> trees) {
72 // count all Enter errors as warnings.
73 int nerrors = messager.nerrors;
74 super.main(trees);
75 messager.nwarnings += (messager.nerrors - nerrors);
76 messager.nerrors = nerrors;
77 }
79 @Override
80 public void visitTopLevel(JCCompilationUnit tree) {
81 super.visitTopLevel(tree);
82 if (tree.sourcefile.isNameCompatible("package-info", JavaFileObject.Kind.SOURCE)) {
83 String comment = TreeInfo.getCommentText(env, tree);
84 docenv.makePackageDoc(tree.packge, comment, tree);
85 }
86 }
88 @Override
89 public void visitClassDef(JCClassDecl tree) {
90 super.visitClassDef(tree);
91 if (tree.sym == null) return;
92 if (tree.sym.kind == Kinds.TYP || tree.sym.kind == Kinds.ERR) {
93 String comment = TreeInfo.getCommentText(env, tree);
94 ClassSymbol c = tree.sym;
95 docenv.makeClassDoc(c, comment, tree, env.toplevel.lineMap);
96 }
97 }
99 /** Don't complain about a duplicate class. */
100 @Override
101 protected void duplicateClass(DiagnosticPosition pos, ClassSymbol c) {}
103 }