Tue, 24 Sep 2013 14:20:33 -0700
8025215: jdk8 l10n resource file translation update 4
Reviewed-by: naoto, yhuang
1 /*
2 * Copyright (c) 2012, 2013, 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 */
26 package com.sun.tools.doclint;
28 import java.io.File;
29 import java.io.IOException;
30 import java.io.PrintWriter;
31 import java.util.ArrayList;
32 import java.util.HashSet;
33 import java.util.LinkedList;
34 import java.util.List;
35 import java.util.Queue;
36 import java.util.Set;
38 import javax.lang.model.element.Name;
39 import javax.tools.JavaFileObject;
40 import javax.tools.StandardLocation;
42 import com.sun.source.doctree.DocCommentTree;
43 import com.sun.source.tree.ClassTree;
44 import com.sun.source.tree.CompilationUnitTree;
45 import com.sun.source.tree.MethodTree;
46 import com.sun.source.tree.Tree;
47 import com.sun.source.tree.VariableTree;
48 import com.sun.source.util.JavacTask;
49 import com.sun.source.util.Plugin;
50 import com.sun.source.util.TaskEvent;
51 import com.sun.source.util.TaskListener;
52 import com.sun.source.util.TreePath;
53 import com.sun.source.util.TreePathScanner;
54 import com.sun.tools.javac.api.JavacTaskImpl;
55 import com.sun.tools.javac.api.JavacTool;
56 import com.sun.tools.javac.file.JavacFileManager;
57 import com.sun.tools.javac.main.JavaCompiler;
58 import com.sun.tools.javac.util.Context;
60 /**
61 * Multi-function entry point for the doc check utility.
62 *
63 * This class can be invoked in the following ways:
64 * <ul>
65 * <li>From the command line
66 * <li>From javac, as a plugin
67 * <li>Directly, via a simple API
68 * </ul>
69 *
70 * <p><b>This is NOT part of any supported API.
71 * If you write code that depends on this, you do so at your own
72 * risk. This code and its internal interfaces are subject to change
73 * or deletion without notice.</b></p>
74 */
75 public class DocLint implements Plugin {
77 public static final String XMSGS_OPTION = "-Xmsgs";
78 public static final String XMSGS_CUSTOM_PREFIX = "-Xmsgs:";
79 private static final String STATS = "-stats";
80 public static final String XIMPLICIT_HEADERS = "-XimplicitHeaders:";
82 // <editor-fold defaultstate="collapsed" desc="Command-line entry point">
83 public static void main(String... args) {
84 DocLint dl = new DocLint();
85 try {
86 dl.run(args);
87 } catch (BadArgs e) {
88 System.err.println(e.getMessage());
89 System.exit(1);
90 } catch (IOException e) {
91 System.err.println(dl.localize("dc.main.ioerror", e.getLocalizedMessage()));
92 System.exit(2);
93 }
94 }
96 // </editor-fold>
98 // <editor-fold defaultstate="collapsed" desc="Simple API">
100 public class BadArgs extends Exception {
101 private static final long serialVersionUID = 0;
102 BadArgs(String code, Object... args) {
103 super(localize(code, args));
104 this.code = code;
105 this.args = args;
106 }
108 final String code;
109 final Object[] args;
110 }
112 /**
113 * Simple API entry point.
114 */
115 public void run(String... args) throws BadArgs, IOException {
116 PrintWriter out = new PrintWriter(System.out);
117 try {
118 run(out, args);
119 } finally {
120 out.flush();
121 }
122 }
124 public void run(PrintWriter out, String... args) throws BadArgs, IOException {
125 env = new Env();
126 processArgs(args);
128 if (needHelp)
129 showHelp(out);
131 if (javacFiles.isEmpty()) {
132 if (!needHelp)
133 out.println(localize("dc.main.no.files.given"));
134 }
136 JavacTool tool = JavacTool.create();
138 JavacFileManager fm = new JavacFileManager(new Context(), false, null);
139 fm.setSymbolFileEnabled(false);
140 fm.setLocation(StandardLocation.PLATFORM_CLASS_PATH, javacBootClassPath);
141 fm.setLocation(StandardLocation.CLASS_PATH, javacClassPath);
142 fm.setLocation(StandardLocation.SOURCE_PATH, javacSourcePath);
144 JavacTask task = tool.getTask(out, fm, null, javacOpts, null,
145 fm.getJavaFileObjectsFromFiles(javacFiles));
146 Iterable<? extends CompilationUnitTree> units = task.parse();
147 ((JavacTaskImpl) task).enter();
149 env.init(task);
150 checker = new Checker(env);
152 DeclScanner ds = new DeclScanner() {
153 @Override
154 void visitDecl(Tree tree, Name name) {
155 TreePath p = getCurrentPath();
156 DocCommentTree dc = env.trees.getDocCommentTree(p);
158 checker.scan(dc, p);
159 }
160 };
162 ds.scan(units, null);
164 reportStats(out);
166 Context ctx = ((JavacTaskImpl) task).getContext();
167 JavaCompiler c = JavaCompiler.instance(ctx);
168 c.printCount("error", c.errorCount());
169 c.printCount("warn", c.warningCount());
170 }
172 void processArgs(String... args) throws BadArgs {
173 javacOpts = new ArrayList<>();
174 javacFiles = new ArrayList<>();
176 if (args.length == 0)
177 needHelp = true;
179 for (int i = 0; i < args.length; i++) {
180 String arg = args[i];
181 if (arg.matches("-Xmax(errs|warns)") && i + 1 < args.length) {
182 if (args[++i].matches("[0-9]+")) {
183 javacOpts.add(arg);
184 javacOpts.add(args[i]);
185 } else {
186 throw new BadArgs("dc.bad.value.for.option", arg, args[i]);
187 }
188 } else if (arg.equals(STATS)) {
189 env.messages.setStatsEnabled(true);
190 } else if (arg.equals("-bootclasspath") && i + 1 < args.length) {
191 javacBootClassPath = splitPath(args[++i]);
192 } else if (arg.equals("-classpath") && i + 1 < args.length) {
193 javacClassPath = splitPath(args[++i]);
194 } else if (arg.equals("-cp") && i + 1 < args.length) {
195 javacClassPath = splitPath(args[++i]);
196 } else if (arg.equals("-sourcepath") && i + 1 < args.length) {
197 javacSourcePath = splitPath(args[++i]);
198 } else if (arg.equals(XMSGS_OPTION)) {
199 env.messages.setOptions(null);
200 } else if (arg.startsWith(XMSGS_CUSTOM_PREFIX)) {
201 env.messages.setOptions(arg.substring(arg.indexOf(":") + 1));
202 } else if (arg.equals("-h") || arg.equals("-help") || arg.equals("--help")
203 || arg.equals("-?") || arg.equals("-usage")) {
204 needHelp = true;
205 } else if (arg.startsWith("-")) {
206 throw new BadArgs("dc.bad.option", arg);
207 } else {
208 while (i < args.length)
209 javacFiles.add(new File(args[i++]));
210 }
211 }
212 }
214 void showHelp(PrintWriter out) {
215 String msg = localize("dc.main.usage");
216 for (String line: msg.split("\n"))
217 out.println(line);
218 }
220 List<File> splitPath(String path) {
221 List<File> files = new ArrayList<>();
222 for (String f: path.split(File.pathSeparator)) {
223 if (f.length() > 0)
224 files.add(new File(f));
225 }
226 return files;
227 }
229 List<File> javacBootClassPath;
230 List<File> javacClassPath;
231 List<File> javacSourcePath;
232 List<String> javacOpts;
233 List<File> javacFiles;
234 boolean needHelp = false;
236 // </editor-fold>
238 // <editor-fold defaultstate="collapsed" desc="javac Plugin">
240 @Override
241 public String getName() {
242 return "doclint";
243 }
245 @Override
246 public void init(JavacTask task, String... args) {
247 init(task, args, true);
248 }
250 // </editor-fold>
252 // <editor-fold defaultstate="collapsed" desc="Embedding API">
254 public void init(JavacTask task, String[] args, boolean addTaskListener) {
255 env = new Env();
256 for (int i = 0; i < args.length; i++) {
257 String arg = args[i];
258 if (arg.equals(XMSGS_OPTION)) {
259 env.messages.setOptions(null);
260 } else if (arg.startsWith(XMSGS_CUSTOM_PREFIX)) {
261 env.messages.setOptions(arg.substring(arg.indexOf(":") + 1));
262 } else if (arg.matches(XIMPLICIT_HEADERS + "[1-6]")) {
263 char ch = arg.charAt(arg.length() - 1);
264 env.setImplicitHeaders(Character.digit(ch, 10));
265 } else
266 throw new IllegalArgumentException(arg);
267 }
268 env.init(task);
270 checker = new Checker(env);
272 if (addTaskListener) {
273 final DeclScanner ds = new DeclScanner() {
274 @Override
275 void visitDecl(Tree tree, Name name) {
276 TreePath p = getCurrentPath();
277 DocCommentTree dc = env.trees.getDocCommentTree(p);
279 checker.scan(dc, p);
280 }
281 };
283 TaskListener tl = new TaskListener() {
284 @Override
285 public void started(TaskEvent e) {
286 switch (e.getKind()) {
287 case ANALYZE:
288 CompilationUnitTree tree;
289 while ((tree = todo.poll()) != null)
290 ds.scan(tree, null);
291 break;
292 }
293 }
295 @Override
296 public void finished(TaskEvent e) {
297 switch (e.getKind()) {
298 case PARSE:
299 todo.add(e.getCompilationUnit());
300 break;
301 }
302 }
304 Queue<CompilationUnitTree> todo = new LinkedList<CompilationUnitTree>();
305 };
307 task.addTaskListener(tl);
308 }
309 }
311 public void scan(TreePath p) {
312 DocCommentTree dc = env.trees.getDocCommentTree(p);
313 checker.scan(dc, p);
314 }
316 public void reportStats(PrintWriter out) {
317 env.messages.reportStats(out);
318 }
320 // </editor-fold>
322 Env env;
323 Checker checker;
325 public static boolean isValidOption(String opt) {
326 if (opt.equals(XMSGS_OPTION))
327 return true;
328 if (opt.startsWith(XMSGS_CUSTOM_PREFIX))
329 return Messages.Options.isValidOptions(opt.substring(XMSGS_CUSTOM_PREFIX.length()));
330 return false;
331 }
333 private String localize(String code, Object... args) {
334 Messages m = (env != null) ? env.messages : new Messages(null);
335 return m.localize(code, args);
336 }
338 // <editor-fold defaultstate="collapsed" desc="DeclScanner">
340 static abstract class DeclScanner extends TreePathScanner<Void, Void> {
341 abstract void visitDecl(Tree tree, Name name);
343 @Override
344 public Void visitCompilationUnit(CompilationUnitTree tree, Void ignore) {
345 if (tree.getPackageName() != null) {
346 visitDecl(tree, null);
347 }
348 return super.visitCompilationUnit(tree, ignore);
349 }
351 @Override
352 public Void visitClass(ClassTree tree, Void ignore) {
353 visitDecl(tree, tree.getSimpleName());
354 return super.visitClass(tree, ignore);
355 }
357 @Override
358 public Void visitMethod(MethodTree tree, Void ignore) {
359 visitDecl(tree, tree.getName());
360 //return super.visitMethod(tree, ignore);
361 return null;
362 }
364 @Override
365 public Void visitVariable(VariableTree tree, Void ignore) {
366 visitDecl(tree, tree.getName());
367 return super.visitVariable(tree, ignore);
368 }
369 }
371 // </editor-fold>
373 }