Mercurial > jdk8-mips64-public > langtools / file comparison
comparison: src/share/classes/com/sun/tools/javac/parser/LazyDocCommentTable.java
src/share/classes/com/sun/tools/javac/parser/LazyDocCommentTable.java
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| 1 /* | |
| 2 * Copyright (c) 1999, 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 */ | |
| 25 | |
| 26 package com.sun.tools.javac.parser; | |
| 27 | |
| 28 import java.util.HashMap; | |
| 29 import java.util.Map; | |
| 30 | |
| 31 import com.sun.tools.javac.parser.Tokens.Comment; | |
| 32 import com.sun.tools.javac.tree.DCTree.DCDocComment; | |
| 33 import com.sun.tools.javac.tree.DocCommentTable; | |
| 34 import com.sun.tools.javac.tree.JCTree; | |
| 35 import com.sun.tools.javac.util.DiagnosticSource; | |
| 36 | |
| 37 | |
| 38 /** | |
| 39 * | |
| 40 * <p><b>This is NOT part of any supported API. | |
| 41 * If you write code that depends on this, you do so at your own risk. | |
| 42 * This code and its internal interfaces are subject to change or | |
| 43 * deletion without notice.</b> | |
| 44 */ | |
| 45 public class LazyDocCommentTable implements DocCommentTable { | |
| 46 private static class Entry { | |
| 47 final Comment comment; | |
| 48 DCDocComment tree; | |
| 49 | |
| 50 Entry(Comment c) { | |
| 51 comment = c; | |
| 52 } | |
| 53 } | |
| 54 | |
| 55 ParserFactory fac; | |
| 56 DiagnosticSource diagSource; | |
| 57 Map<JCTree, Entry> table; | |
| 58 | |
| 59 LazyDocCommentTable(ParserFactory fac) { | |
| 60 this.fac = fac; | |
| 61 diagSource = fac.log.currentSource(); | |
| 62 table = new HashMap<JCTree, Entry>(); | |
| 63 } | |
| 64 | |
| 65 public boolean hasComment(JCTree tree) { | |
| 66 return table.containsKey(tree); | |
| 67 } | |
| 68 | |
| 69 public Comment getComment(JCTree tree) { | |
| 70 Entry e = table.get(tree); | |
| 71 return (e == null) ? null : e.comment; | |
| 72 } | |
| 73 | |
| 74 public String getCommentText(JCTree tree) { | |
| 75 Comment c = getComment(tree); | |
| 76 return (c == null) ? null : c.getText(); | |
| 77 } | |
| 78 | |
| 79 public DCDocComment getCommentTree(JCTree tree) { | |
| 80 Entry e = table.get(tree); | |
| 81 if (e == null) | |
| 82 return null; | |
| 83 if (e.tree == null) | |
| 84 e.tree = new DocCommentParser(fac, diagSource, e.comment).parse(); | |
| 85 return e.tree; | |
| 86 } | |
| 87 | |
| 88 public void putComment(JCTree tree, Comment c) { | |
| 89 table.put(tree, new Entry(c)); | |
| 90 } | |
| 91 | |
| 92 } |
