src/share/classes/com/sun/tools/javac/parser/LazyDocCommentTable.java

Sun, 17 Feb 2013 16:44:55 -0500

author
dholmes
date
Sun, 17 Feb 2013 16:44:55 -0500
changeset 1571
af8417e590f4
parent 0
959103a6100f
permissions
-rw-r--r--

Merge

aoqi@0 1 /*
aoqi@0 2 * Copyright (c) 1999, 2012, Oracle and/or its affiliates. All rights reserved.
aoqi@0 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0 4 *
aoqi@0 5 * This code is free software; you can redistribute it and/or modify it
aoqi@0 6 * under the terms of the GNU General Public License version 2 only, as
aoqi@0 7 * published by the Free Software Foundation. Oracle designates this
aoqi@0 8 * particular file as subject to the "Classpath" exception as provided
aoqi@0 9 * by Oracle in the LICENSE file that accompanied this code.
aoqi@0 10 *
aoqi@0 11 * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0 14 * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0 15 * accompanied this code).
aoqi@0 16 *
aoqi@0 17 * You should have received a copy of the GNU General Public License version
aoqi@0 18 * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0 20 *
aoqi@0 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0 22 * or visit www.oracle.com if you need additional information or have any
aoqi@0 23 * questions.
aoqi@0 24 */
aoqi@0 25
aoqi@0 26 package com.sun.tools.javac.parser;
aoqi@0 27
aoqi@0 28 import java.util.HashMap;
aoqi@0 29 import java.util.Map;
aoqi@0 30
aoqi@0 31 import com.sun.tools.javac.parser.Tokens.Comment;
aoqi@0 32 import com.sun.tools.javac.tree.DCTree.DCDocComment;
aoqi@0 33 import com.sun.tools.javac.tree.DocCommentTable;
aoqi@0 34 import com.sun.tools.javac.tree.JCTree;
aoqi@0 35 import com.sun.tools.javac.util.DiagnosticSource;
aoqi@0 36
aoqi@0 37
aoqi@0 38 /**
aoqi@0 39 *
aoqi@0 40 * <p><b>This is NOT part of any supported API.
aoqi@0 41 * If you write code that depends on this, you do so at your own risk.
aoqi@0 42 * This code and its internal interfaces are subject to change or
aoqi@0 43 * deletion without notice.</b>
aoqi@0 44 */
aoqi@0 45 public class LazyDocCommentTable implements DocCommentTable {
aoqi@0 46 private static class Entry {
aoqi@0 47 final Comment comment;
aoqi@0 48 DCDocComment tree;
aoqi@0 49
aoqi@0 50 Entry(Comment c) {
aoqi@0 51 comment = c;
aoqi@0 52 }
aoqi@0 53 }
aoqi@0 54
aoqi@0 55 ParserFactory fac;
aoqi@0 56 DiagnosticSource diagSource;
aoqi@0 57 Map<JCTree, Entry> table;
aoqi@0 58
aoqi@0 59 LazyDocCommentTable(ParserFactory fac) {
aoqi@0 60 this.fac = fac;
aoqi@0 61 diagSource = fac.log.currentSource();
aoqi@0 62 table = new HashMap<JCTree, Entry>();
aoqi@0 63 }
aoqi@0 64
aoqi@0 65 public boolean hasComment(JCTree tree) {
aoqi@0 66 return table.containsKey(tree);
aoqi@0 67 }
aoqi@0 68
aoqi@0 69 public Comment getComment(JCTree tree) {
aoqi@0 70 Entry e = table.get(tree);
aoqi@0 71 return (e == null) ? null : e.comment;
aoqi@0 72 }
aoqi@0 73
aoqi@0 74 public String getCommentText(JCTree tree) {
aoqi@0 75 Comment c = getComment(tree);
aoqi@0 76 return (c == null) ? null : c.getText();
aoqi@0 77 }
aoqi@0 78
aoqi@0 79 public DCDocComment getCommentTree(JCTree tree) {
aoqi@0 80 Entry e = table.get(tree);
aoqi@0 81 if (e == null)
aoqi@0 82 return null;
aoqi@0 83 if (e.tree == null)
aoqi@0 84 e.tree = new DocCommentParser(fac, diagSource, e.comment).parse();
aoqi@0 85 return e.tree;
aoqi@0 86 }
aoqi@0 87
aoqi@0 88 public void putComment(JCTree tree, Comment c) {
aoqi@0 89 table.put(tree, new Entry(c));
aoqi@0 90 }
aoqi@0 91
aoqi@0 92 }

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