src/share/classes/com/sun/tools/javadoc/JavadocTool.java

Tue, 24 Dec 2013 09:17:37 -0800

author
ksrini
date
Tue, 24 Dec 2013 09:17:37 -0800
changeset 2227
998b10c43157
parent 2007
a76c663a9cac
child 2281
b06e33ab7f61
permissions
-rw-r--r--

8029230: Update copyright year to match last edit in jdk8 langtools repository for 2013
Reviewed-by: ksrini
Contributed-by: steve.sides@oracle.com

duke@1 1 /*
jfranck@2007 2 * Copyright (c) 2001, 2013, Oracle and/or its affiliates. All rights reserved.
duke@1 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@1 4 *
duke@1 5 * This code is free software; you can redistribute it and/or modify it
duke@1 6 * under the terms of the GNU General Public License version 2 only, as
ohair@554 7 * published by the Free Software Foundation. Oracle designates this
duke@1 8 * particular file as subject to the "Classpath" exception as provided
ohair@554 9 * by Oracle in the LICENSE file that accompanied this code.
duke@1 10 *
duke@1 11 * This code is distributed in the hope that it will be useful, but WITHOUT
duke@1 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@1 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@1 14 * version 2 for more details (a copy is included in the LICENSE file that
duke@1 15 * accompanied this code).
duke@1 16 *
duke@1 17 * You should have received a copy of the GNU General Public License version
duke@1 18 * 2 along with this work; if not, write to the Free Software Foundation,
duke@1 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@1 20 *
ohair@554 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
ohair@554 22 * or visit www.oracle.com if you need additional information or have any
ohair@554 23 * questions.
duke@1 24 */
duke@1 25
duke@1 26 package com.sun.tools.javadoc;
duke@1 27
jjg@197 28 import java.io.File;
jjg@197 29 import java.io.IOException;
jjg@197 30 import java.util.Collection;
jjg@197 31 import java.util.EnumSet;
jjg@197 32 import java.util.HashMap;
jjg@197 33 import java.util.Map;
jjg@197 34 import java.util.Set;
jjg@197 35 import javax.tools.JavaFileManager.Location;
jjg@197 36 import javax.tools.JavaFileObject;
jjg@197 37 import javax.tools.StandardJavaFileManager;
jjg@197 38 import javax.tools.StandardLocation;
duke@1 39
jjg@197 40 import com.sun.tools.javac.code.Symbol.CompletionFailure;
jjg@197 41 import com.sun.tools.javac.tree.JCTree;
jjg@197 42 import com.sun.tools.javac.tree.JCTree.JCClassDecl;
jjg@197 43 import com.sun.tools.javac.tree.JCTree.JCCompilationUnit;
jjg@197 44 import com.sun.tools.javac.util.Abort;
jjg@197 45 import com.sun.tools.javac.util.Context;
jjg@197 46 import com.sun.tools.javac.util.List;
jjg@197 47 import com.sun.tools.javac.util.ListBuffer;
jjg@197 48 import com.sun.tools.javac.util.Position;
duke@1 49
duke@1 50
duke@1 51 /**
duke@1 52 * This class could be the main entry point for Javadoc when Javadoc is used as a
duke@1 53 * component in a larger software system. It provides operations to
duke@1 54 * construct a new javadoc processor, and to run it on a set of source
duke@1 55 * files.
jjg@1359 56 *
jjg@1359 57 * <p><b>This is NOT part of any supported API.
jjg@1359 58 * If you write code that depends on this, you do so at your own risk.
jjg@1359 59 * This code and its internal interfaces are subject to change or
jjg@1359 60 * deletion without notice.</b>
jjg@1359 61 *
duke@1 62 * @author Neal Gafter
duke@1 63 */
duke@1 64 public class JavadocTool extends com.sun.tools.javac.main.JavaCompiler {
duke@1 65 DocEnv docenv;
duke@1 66
duke@1 67 final Messager messager;
jjg@1411 68 final JavadocClassReader javadocReader;
jjg@1411 69 final JavadocEnter javadocEnter;
duke@1 70
duke@1 71 /**
duke@1 72 * Construct a new JavaCompiler processor, using appropriately
duke@1 73 * extended phases of the underlying compiler.
duke@1 74 */
duke@1 75 protected JavadocTool(Context context) {
duke@1 76 super(context);
duke@1 77 messager = Messager.instance0(context);
jjg@1411 78 javadocReader = JavadocClassReader.instance0(context);
jjg@1411 79 javadocEnter = JavadocEnter.instance0(context);
duke@1 80 }
duke@1 81
duke@1 82 /**
duke@1 83 * For javadoc, the parser needs to keep comments. Overrides method from JavaCompiler.
duke@1 84 */
duke@1 85 protected boolean keepComments() {
duke@1 86 return true;
duke@1 87 }
duke@1 88
duke@1 89 /**
duke@1 90 * Construct a new javadoc tool.
duke@1 91 */
duke@1 92 public static JavadocTool make0(Context context) {
duke@1 93 Messager messager = null;
duke@1 94 try {
duke@1 95 // force the use of Javadoc's class reader
duke@1 96 JavadocClassReader.preRegister(context);
duke@1 97
duke@1 98 // force the use of Javadoc's own enter phase
duke@1 99 JavadocEnter.preRegister(context);
duke@1 100
duke@1 101 // force the use of Javadoc's own member enter phase
duke@1 102 JavadocMemberEnter.preRegister(context);
duke@1 103
duke@1 104 // force the use of Javadoc's own todo phase
duke@1 105 JavadocTodo.preRegister(context);
duke@1 106
duke@1 107 // force the use of Messager as a Log
duke@1 108 messager = Messager.instance0(context);
duke@1 109
duke@1 110 return new JavadocTool(context);
duke@1 111 } catch (CompletionFailure ex) {
duke@1 112 messager.error(Position.NOPOS, ex.getMessage());
duke@1 113 return null;
duke@1 114 }
duke@1 115 }
duke@1 116
duke@1 117 public RootDocImpl getRootDocImpl(String doclocale,
duke@1 118 String encoding,
duke@1 119 ModifierFilter filter,
duke@1 120 List<String> javaNames,
duke@1 121 List<String[]> options,
jjg@1413 122 Iterable<? extends JavaFileObject> fileObjects,
duke@1 123 boolean breakiterator,
duke@1 124 List<String> subPackages,
duke@1 125 List<String> excludedPackages,
duke@1 126 boolean docClasses,
duke@1 127 boolean legacyDoclet,
duke@1 128 boolean quiet) throws IOException {
duke@1 129 docenv = DocEnv.instance(context);
duke@1 130 docenv.showAccess = filter;
jjg@197 131 docenv.quiet = quiet;
duke@1 132 docenv.breakiterator = breakiterator;
duke@1 133 docenv.setLocale(doclocale);
duke@1 134 docenv.setEncoding(encoding);
duke@1 135 docenv.docClasses = docClasses;
duke@1 136 docenv.legacyDoclet = legacyDoclet;
jfranck@2007 137 javadocReader.sourceCompleter = docClasses ? null : thisCompleter;
duke@1 138
duke@1 139 ListBuffer<String> names = new ListBuffer<String>();
duke@1 140 ListBuffer<JCCompilationUnit> classTrees = new ListBuffer<JCCompilationUnit>();
duke@1 141 ListBuffer<JCCompilationUnit> packTrees = new ListBuffer<JCCompilationUnit>();
duke@1 142
duke@1 143 try {
jjg@1413 144 StandardJavaFileManager fm = docenv.fileManager instanceof StandardJavaFileManager
jjg@1413 145 ? (StandardJavaFileManager) docenv.fileManager : null;
duke@1 146 for (List<String> it = javaNames; it.nonEmpty(); it = it.tail) {
duke@1 147 String name = it.head;
jjg@1413 148 if (!docClasses && fm != null && name.endsWith(".java") && new File(name).exists()) {
jjg@197 149 JavaFileObject fo = fm.getJavaFileObjects(name).iterator().next();
duke@1 150 docenv.notice("main.Loading_source_file", name);
jjg@197 151 JCCompilationUnit tree = parse(fo);
jjg@197 152 classTrees.append(tree);
duke@1 153 } else if (isValidPackageName(name)) {
duke@1 154 names = names.append(name);
duke@1 155 } else if (name.endsWith(".java")) {
jjg@1413 156 if (fm == null)
jjg@1413 157 throw new IllegalArgumentException();
jjg@1413 158 else
jjg@1411 159 docenv.error(null, "main.file_not_found", name);
duke@1 160 } else {
duke@1 161 docenv.error(null, "main.illegal_package_name", name);
duke@1 162 }
duke@1 163 }
jjg@1413 164 for (JavaFileObject fo: fileObjects) {
jjg@1413 165 docenv.notice("main.Loading_source_file", fo.getName());
jjg@1413 166 JCCompilationUnit tree = parse(fo);
jjg@1413 167 classTrees.append(tree);
jjg@1413 168 }
duke@1 169
duke@1 170 if (!docClasses) {
duke@1 171 // Recursively search given subpackages. If any packages
duke@1 172 //are found, add them to the list.
jjg@197 173 Map<String,List<JavaFileObject>> packageFiles =
jjg@197 174 searchSubPackages(subPackages, names, excludedPackages);
duke@1 175
duke@1 176 // Parse the packages
duke@1 177 for (List<String> packs = names.toList(); packs.nonEmpty(); packs = packs.tail) {
duke@1 178 // Parse sources ostensibly belonging to package.
jjg@197 179 String packageName = packs.head;
jjg@197 180 parsePackageClasses(packageName, packageFiles.get(packageName), packTrees, excludedPackages);
duke@1 181 }
duke@1 182
duke@1 183 if (messager.nerrors() != 0) return null;
duke@1 184
duke@1 185 // Enter symbols for all files
duke@1 186 docenv.notice("main.Building_tree");
jjg@1411 187 javadocEnter.main(classTrees.toList().appendList(packTrees.toList()));
duke@1 188 }
duke@1 189 } catch (Abort ex) {}
duke@1 190
jjg@197 191 if (messager.nerrors() != 0)
jjg@197 192 return null;
duke@1 193
duke@1 194 if (docClasses)
duke@1 195 return new RootDocImpl(docenv, javaNames, options);
duke@1 196 else
duke@1 197 return new RootDocImpl(docenv, listClasses(classTrees.toList()), names.toList(), options);
duke@1 198 }
duke@1 199
duke@1 200 /** Is the given string a valid package name? */
duke@1 201 boolean isValidPackageName(String s) {
duke@1 202 int index;
duke@1 203 while ((index = s.indexOf('.')) != -1) {
duke@1 204 if (!isValidClassName(s.substring(0, index))) return false;
duke@1 205 s = s.substring(index+1);
duke@1 206 }
duke@1 207 return isValidClassName(s);
duke@1 208 }
duke@1 209
duke@1 210 /**
duke@1 211 * search all directories in path for subdirectory name. Add all
duke@1 212 * .java files found in such a directory to args.
duke@1 213 */
duke@1 214 private void parsePackageClasses(String name,
jjg@197 215 Iterable<JavaFileObject> files,
jjg@197 216 ListBuffer<JCCompilationUnit> trees,
jjg@197 217 List<String> excludedPackages)
jjg@197 218 throws IOException {
duke@1 219 if (excludedPackages.contains(name)) {
duke@1 220 return;
duke@1 221 }
jjg@197 222
duke@1 223 boolean hasFiles = false;
duke@1 224 docenv.notice("main.Loading_source_files_for_package", name);
jjg@197 225
jjg@197 226 if (files == null) {
jjg@197 227 Location location = docenv.fileManager.hasLocation(StandardLocation.SOURCE_PATH)
jjg@197 228 ? StandardLocation.SOURCE_PATH : StandardLocation.CLASS_PATH;
jjg@197 229 ListBuffer<JavaFileObject> lb = new ListBuffer<JavaFileObject>();
jjg@197 230 for (JavaFileObject fo: docenv.fileManager.list(
jjg@197 231 location, name, EnumSet.of(JavaFileObject.Kind.SOURCE), false)) {
jjg@197 232 String binaryName = docenv.fileManager.inferBinaryName(location, fo);
jjg@197 233 String simpleName = getSimpleName(binaryName);
jjg@197 234 if (isValidClassName(simpleName)) {
jjg@197 235 lb.append(fo);
duke@1 236 }
duke@1 237 }
jjg@197 238 files = lb.toList();
duke@1 239 }
jjg@197 240
jjg@197 241 for (JavaFileObject fo : files) {
jjg@197 242 // messager.notice("main.Loading_source_file", fn);
jjg@197 243 trees.append(parse(fo));
jjg@197 244 hasFiles = true;
jjg@197 245 }
jjg@197 246
jjg@197 247 if (!hasFiles) {
jjg@1411 248 messager.warning(Messager.NOPOS, "main.no_source_files_for_package",
jjg@197 249 name.replace(File.separatorChar, '.'));
jjg@197 250 }
duke@1 251 }
duke@1 252
duke@1 253 /**
duke@1 254 * Recursively search all directories in path for subdirectory name.
duke@1 255 * Add all packages found in such a directory to packages list.
duke@1 256 */
jjg@197 257 private Map<String,List<JavaFileObject>> searchSubPackages(
jjg@197 258 List<String> subPackages,
jjg@197 259 ListBuffer<String> packages,
jjg@197 260 List<String> excludedPackages)
jjg@197 261 throws IOException {
jjg@197 262 Map<String,List<JavaFileObject>> packageFiles =
jjg@197 263 new HashMap<String,List<JavaFileObject>>();
jjg@197 264
jjg@197 265 Map<String,Boolean> includedPackages = new HashMap<String,Boolean>();
jjg@197 266 includedPackages.put("", true);
jjg@197 267 for (String p: excludedPackages)
jjg@197 268 includedPackages.put(p, false);
jjg@197 269
jjg@1094 270 StandardLocation path = docenv.fileManager.hasLocation(StandardLocation.SOURCE_PATH)
jjg@1094 271 ? StandardLocation.SOURCE_PATH : StandardLocation.CLASS_PATH;
jjg@1094 272
jjg@1094 273 searchSubPackages(subPackages,
jjg@1094 274 includedPackages,
jjg@1094 275 packages, packageFiles,
jjg@1094 276 path,
jjg@1094 277 EnumSet.of(JavaFileObject.Kind.SOURCE));
jjg@1094 278
jjg@197 279 return packageFiles;
jjg@197 280 }
jjg@197 281
duke@1 282 private void searchSubPackages(List<String> subPackages,
jjg@197 283 Map<String,Boolean> includedPackages,
jjg@197 284 ListBuffer<String> packages,
jjg@197 285 Map<String, List<JavaFileObject>> packageFiles,
jjg@197 286 StandardLocation location, Set<JavaFileObject.Kind> kinds)
jjg@197 287 throws IOException {
jjg@197 288 for (String subPackage: subPackages) {
jjg@197 289 if (!isIncluded(subPackage, includedPackages))
jjg@197 290 continue;
duke@1 291
jjg@197 292 for (JavaFileObject fo: docenv.fileManager.list(location, subPackage, kinds, true)) {
jjg@197 293 String binaryName = docenv.fileManager.inferBinaryName(location, fo);
jjg@197 294 String packageName = getPackageName(binaryName);
jjg@197 295 String simpleName = getSimpleName(binaryName);
jjg@197 296 if (isIncluded(packageName, includedPackages) && isValidClassName(simpleName)) {
jjg@197 297 List<JavaFileObject> list = packageFiles.get(packageName);
jjg@197 298 list = (list == null ? List.of(fo) : list.prepend(fo));
jjg@197 299 packageFiles.put(packageName, list);
jjg@197 300 if (!packages.contains(packageName))
jjg@197 301 packages.add(packageName);
jjg@197 302 }
jjg@197 303 }
jjg@197 304 }
jjg@197 305 }
jjg@197 306
jjg@197 307 private String getPackageName(String name) {
jjg@197 308 int lastDot = name.lastIndexOf(".");
jjg@197 309 return (lastDot == -1 ? "" : name.substring(0, lastDot));
jjg@197 310 }
jjg@197 311
jjg@197 312 private String getSimpleName(String name) {
jjg@197 313 int lastDot = name.lastIndexOf(".");
jjg@197 314 return (lastDot == -1 ? name : name.substring(lastDot + 1));
jjg@197 315 }
jjg@197 316
jjg@197 317 private boolean isIncluded(String packageName, Map<String,Boolean> includedPackages) {
jjg@197 318 Boolean b = includedPackages.get(packageName);
jjg@197 319 if (b == null) {
jjg@197 320 b = isIncluded(getPackageName(packageName), includedPackages);
jjg@197 321 includedPackages.put(packageName, b);
jjg@197 322 }
jjg@197 323 return b;
duke@1 324 }
duke@1 325
duke@1 326 /**
duke@1 327 * Recursively search all directories in path for subdirectory name.
duke@1 328 * Add all packages found in such a directory to packages list.
duke@1 329 */
duke@1 330 private void searchSubPackage(String packageName,
duke@1 331 ListBuffer<String> packages,
duke@1 332 List<String> excludedPackages,
duke@1 333 Collection<File> pathnames) {
duke@1 334 if (excludedPackages.contains(packageName))
duke@1 335 return;
duke@1 336
duke@1 337 String packageFilename = packageName.replace('.', File.separatorChar);
duke@1 338 boolean addedPackage = false;
duke@1 339 for (File pathname : pathnames) {
duke@1 340 File f = new File(pathname, packageFilename);
duke@1 341 String filenames[] = f.list();
duke@1 342 // if filenames not null, then found directory
duke@1 343 if (filenames != null) {
duke@1 344 for (String filename : filenames) {
duke@1 345 if (!addedPackage
duke@1 346 && (isValidJavaSourceFile(filename) ||
duke@1 347 isValidJavaClassFile(filename))
duke@1 348 && !packages.contains(packageName)) {
duke@1 349 packages.append(packageName);
duke@1 350 addedPackage = true;
duke@1 351 } else if (isValidClassName(filename) &&
duke@1 352 (new File(f, filename)).isDirectory()) {
duke@1 353 searchSubPackage(packageName + "." + filename,
duke@1 354 packages, excludedPackages, pathnames);
duke@1 355 }
duke@1 356 }
duke@1 357 }
duke@1 358 }
duke@1 359 }
duke@1 360
duke@1 361 /**
duke@1 362 * Return true if given file name is a valid class file name.
duke@1 363 * @param file the name of the file to check.
duke@1 364 * @return true if given file name is a valid class file name
duke@1 365 * and false otherwise.
duke@1 366 */
duke@1 367 private static boolean isValidJavaClassFile(String file) {
duke@1 368 if (!file.endsWith(".class")) return false;
duke@1 369 String clazzName = file.substring(0, file.length() - ".class".length());
duke@1 370 return isValidClassName(clazzName);
duke@1 371 }
duke@1 372
duke@1 373 /**
duke@1 374 * Return true if given file name is a valid Java source file name.
duke@1 375 * @param file the name of the file to check.
duke@1 376 * @return true if given file name is a valid Java source file name
duke@1 377 * and false otherwise.
duke@1 378 */
duke@1 379 private static boolean isValidJavaSourceFile(String file) {
duke@1 380 if (!file.endsWith(".java")) return false;
duke@1 381 String clazzName = file.substring(0, file.length() - ".java".length());
duke@1 382 return isValidClassName(clazzName);
duke@1 383 }
duke@1 384
duke@1 385 /** Are surrogates supported?
duke@1 386 */
duke@1 387 final static boolean surrogatesSupported = surrogatesSupported();
duke@1 388 private static boolean surrogatesSupported() {
duke@1 389 try {
duke@1 390 boolean b = Character.isHighSurrogate('a');
duke@1 391 return true;
duke@1 392 } catch (NoSuchMethodError ex) {
duke@1 393 return false;
duke@1 394 }
duke@1 395 }
duke@1 396
duke@1 397 /**
duke@1 398 * Return true if given file name is a valid class name
duke@1 399 * (including "package-info").
jjg@1358 400 * @param s the name of the class to check.
duke@1 401 * @return true if given class name is a valid class name
duke@1 402 * and false otherwise.
duke@1 403 */
duke@1 404 public static boolean isValidClassName(String s) {
duke@1 405 if (s.length() < 1) return false;
duke@1 406 if (s.equals("package-info")) return true;
duke@1 407 if (surrogatesSupported) {
duke@1 408 int cp = s.codePointAt(0);
duke@1 409 if (!Character.isJavaIdentifierStart(cp))
duke@1 410 return false;
duke@1 411 for (int j=Character.charCount(cp); j<s.length(); j+=Character.charCount(cp)) {
duke@1 412 cp = s.codePointAt(j);
duke@1 413 if (!Character.isJavaIdentifierPart(cp))
duke@1 414 return false;
duke@1 415 }
duke@1 416 } else {
duke@1 417 if (!Character.isJavaIdentifierStart(s.charAt(0)))
duke@1 418 return false;
duke@1 419 for (int j=1; j<s.length(); j++)
duke@1 420 if (!Character.isJavaIdentifierPart(s.charAt(j)))
duke@1 421 return false;
duke@1 422 }
duke@1 423 return true;
duke@1 424 }
duke@1 425
duke@1 426 /**
duke@1 427 * From a list of top level trees, return the list of contained class definitions
duke@1 428 */
duke@1 429 List<JCClassDecl> listClasses(List<JCCompilationUnit> trees) {
duke@1 430 ListBuffer<JCClassDecl> result = new ListBuffer<JCClassDecl>();
duke@1 431 for (JCCompilationUnit t : trees) {
duke@1 432 for (JCTree def : t.defs) {
jjg@1127 433 if (def.hasTag(JCTree.Tag.CLASSDEF))
duke@1 434 result.append((JCClassDecl)def);
duke@1 435 }
duke@1 436 }
duke@1 437 return result.toList();
duke@1 438 }
duke@1 439
duke@1 440 }

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