Mon, 14 Jan 2013 19:52:36 +0100
7193719: Support repeating annotations in javax.lang.model
Reviewed-by: jjg
1 /*
2 * Copyright (c) 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.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
24 import java.io.File;
25 import java.util.ArrayList;
26 import java.util.List;
28 import com.sun.tools.doclint.DocLint;
29 import java.io.BufferedReader;
30 import java.io.FileReader;
31 import java.io.IOException;
32 import java.io.PrintWriter;
33 import java.io.Reader;
34 import java.io.StringWriter;
35 import java.util.regex.Matcher;
36 import java.util.regex.Pattern;
39 public class DocLintTester {
41 public static void main(String... args) throws Exception {
42 new DocLintTester().run(args);
43 }
45 public void run(String... args) throws Exception {
46 String testSrc = System.getProperty("test.src");
48 File refFile = null;
49 List<String> opts = new ArrayList<String>();
50 List<File> files = new ArrayList<File>();
51 for (int i = 0; i < args.length; i++) {
52 String arg = args[i];
53 if (arg.equals("-ref")) {
54 refFile = new File(testSrc, args[++i]);
55 } else if (arg.startsWith("-Xmsgs")) {
56 opts.add(arg);
57 } else
58 files.add(new File(testSrc, arg));
59 }
61 check(opts, files, refFile);
63 if (errors > 0)
64 throw new Exception(errors + " errors occurred");
65 }
67 void check(List<String> opts, List<File> files, File refFile) throws Exception {
68 List<String> args = new ArrayList<String>();
69 args.addAll(opts);
70 for (File file: files)
71 args.add(file.getPath());
73 StringWriter sw = new StringWriter();
74 PrintWriter pw = new PrintWriter(sw);
75 new DocLint().run(pw, args.toArray(new String[args.size()]));
76 pw.flush();
77 String out = normalizeNewlines(removeFileNames(sw.toString())).trim();
78 if (out != null)
79 System.err.println("Output:\n" + out);
81 if (refFile == null) {
82 if (!out.isEmpty())
83 error("unexpected output");
84 } else {
85 String expect = readFile(refFile);
86 if (!expect.equals(out)) {
87 error("expected output not found");
88 System.err.println("EXPECT>>" + expect + "<<");
89 System.err.println(" FOUND>>" + out + "<<");
90 }
91 }
92 }
94 String readFile(File file) throws IOException {
95 StringBuilder sb = new StringBuilder();
96 Reader in = new BufferedReader(new FileReader(file));
97 try {
98 char[] buf = new char[1024];
99 int n;
100 while ((n = in.read(buf)) != -1)
101 sb.append(buf, 0, n);
102 } finally {
103 in.close();
104 }
105 return sb.toString().trim();
106 }
108 private static final Pattern dirFileLine = Pattern.compile(
109 "(?m)" // multi-line mode
110 + "^(.*?)" // directory part of file name
111 + "([A-Za-z0-9.]+:[0-9]+:)"); // file name and line number
113 String removeFileNames(String s) {
114 Matcher m = dirFileLine.matcher(s);
115 StringBuffer sb = new StringBuffer();
116 while (m.find()) {
117 m.appendReplacement(sb, "$2");
118 }
119 m.appendTail(sb);
120 return sb.toString();
121 }
123 private static final String nl = System.getProperty("line.separator");
124 String normalizeNewlines(String s) {
125 return (nl.equals("\n") ? s : s.replace(nl, "\n"));
126 }
129 void error(String msg) {
130 System.err.println("Error: " + msg);
131 errors++;
132 }
134 int errors;
135 }