| /* |
| * Copyright (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* @test |
| @bug 4106810 4027740 4078997 4097738 |
| @summary Make sure StreamTokenizer will correctly |
| parse different types of comments in input. |
| */ |
| |
| |
| import java.io.*; |
| |
| public class Comment { |
| |
| public static void main(String[] args) throws Exception { |
| |
| File f = new File(System.getProperty("test.src", "."), "input.txt"); |
| |
| int slashIsCommentStart = 1; |
| int slashSlashComment = 2; |
| int slashStarComment = 4; |
| |
| for (int i = 0; i < 8 ; i++) { |
| FileReader reader = new FileReader(f); |
| try { |
| StreamTokenizer st = new StreamTokenizer(reader); |
| |
| /* decide the state of this run */ |
| boolean slashCommentFlag = ((i & slashIsCommentStart) != 0); |
| boolean slashSlashCommentFlag = ((i & slashSlashComment) != 0); |
| boolean slashStarCommentFlag = ((i & slashStarComment) != 0); |
| |
| /* set the initial state of the tokenizer */ |
| if (!slashCommentFlag) { |
| st.ordinaryChar('/'); |
| } |
| st.slashSlashComments(slashSlashCommentFlag); |
| st.slashStarComments(slashStarCommentFlag); |
| |
| /* now go throgh the input file */ |
| while(st.nextToken() != StreamTokenizer.TT_EOF) |
| { |
| String token = st.sval; |
| if (token == null) { |
| continue; |
| } else { |
| if ((token.compareTo("Error1") == 0) && slashStarCommentFlag) { |
| throw new Exception("Failed to pass one line C comments!"); |
| } |
| if ((token.compareTo("Error2") == 0) && slashStarCommentFlag) { |
| throw new Exception("Failed to pass multi line C comments!"); |
| } |
| if ((token.compareTo("Error3") == 0) && slashSlashCommentFlag) { |
| throw new Exception("Failed to pass C++ comments!"); |
| } |
| if ((token.compareTo("Error4") == 0) && slashCommentFlag) { |
| throw new Exception("Failed to pass / comments!"); |
| } |
| } |
| } |
| } finally { |
| reader.close(); |
| } |
| } |
| } |
| } |