93 lines
2.9 KiB
Java
93 lines
2.9 KiB
Java
/*
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* Copyright (c) 1999, 2012, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package com.sun.tools.javac.parser;
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import java.util.HashMap;
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import java.util.Map;
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import com.sun.tools.javac.parser.Tokens.Comment;
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import com.sun.tools.javac.tree.DCTree.DCDocComment;
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import com.sun.tools.javac.tree.DocCommentTable;
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import com.sun.tools.javac.tree.JCTree;
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import com.sun.tools.javac.util.DiagnosticSource;
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/**
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*
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* <p><b>This is NOT part of any supported API.
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* If you write code that depends on this, you do so at your own risk.
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* This code and its internal interfaces are subject to change or
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* deletion without notice.</b>
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*/
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public class LazyDocCommentTable implements DocCommentTable {
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private static class Entry {
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final Comment comment;
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DCDocComment tree;
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Entry(Comment c) {
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comment = c;
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}
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}
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ParserFactory fac;
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DiagnosticSource diagSource;
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Map<JCTree, Entry> table;
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LazyDocCommentTable(ParserFactory fac) {
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this.fac = fac;
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diagSource = fac.log.currentSource();
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table = new HashMap<JCTree, Entry>();
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}
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public boolean hasComment(JCTree tree) {
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return table.containsKey(tree);
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}
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public Comment getComment(JCTree tree) {
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Entry e = table.get(tree);
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return (e == null) ? null : e.comment;
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}
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public String getCommentText(JCTree tree) {
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Comment c = getComment(tree);
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return (c == null) ? null : c.getText();
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}
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public DCDocComment getCommentTree(JCTree tree) {
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Entry e = table.get(tree);
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if (e == null)
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return null;
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if (e.tree == null)
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e.tree = new DocCommentParser(fac, diagSource, e.comment).parse();
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return e.tree;
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}
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public void putComment(JCTree tree, Comment c) {
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table.put(tree, new Entry(c));
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}
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}
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