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

Sat, 01 Dec 2007 00:00:00 +0000

author
duke
date
Sat, 01 Dec 2007 00:00:00 +0000
changeset 1
9a66ca7c79fa
child 50
b9bcea8bbe24
permissions
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duke@1 1 /*
duke@1 2 * Copyright 2001-2006 Sun Microsystems, Inc. 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
duke@1 7 * published by the Free Software Foundation. Sun designates this
duke@1 8 * particular file as subject to the "Classpath" exception as provided
duke@1 9 * by Sun 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 *
duke@1 21 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
duke@1 22 * CA 95054 USA or visit www.sun.com if you need additional information or
duke@1 23 * have any questions.
duke@1 24 */
duke@1 25
duke@1 26 package com.sun.tools.javadoc;
duke@1 27
duke@1 28 import java.io.*;
duke@1 29
duke@1 30 import java.util.Collection;
duke@1 31
duke@1 32 import com.sun.tools.javac.code.*;
duke@1 33 import com.sun.tools.javac.code.Symbol.*;
duke@1 34 import com.sun.tools.javac.comp.*;
duke@1 35 import com.sun.tools.javac.jvm.ClassReader;
duke@1 36 import com.sun.tools.javac.jvm.ClassWriter;
duke@1 37 import com.sun.tools.javac.parser.DocCommentScanner;
duke@1 38 import com.sun.tools.javac.util.Paths;
duke@1 39 import com.sun.tools.javac.tree.*;
duke@1 40 import com.sun.tools.javac.tree.JCTree.*;
duke@1 41 import com.sun.tools.javac.util.*;
duke@1 42
duke@1 43 import com.sun.javadoc.LanguageVersion;
duke@1 44 import static com.sun.javadoc.LanguageVersion.*;
duke@1 45
duke@1 46 /**
duke@1 47 * This class could be the main entry point for Javadoc when Javadoc is used as a
duke@1 48 * component in a larger software system. It provides operations to
duke@1 49 * construct a new javadoc processor, and to run it on a set of source
duke@1 50 * files.
duke@1 51 * @author Neal Gafter
duke@1 52 */
duke@1 53 public class JavadocTool extends com.sun.tools.javac.main.JavaCompiler {
duke@1 54 DocEnv docenv;
duke@1 55
duke@1 56 final Context context;
duke@1 57 final Messager messager;
duke@1 58 final JavadocClassReader reader;
duke@1 59 final JavadocEnter enter;
duke@1 60 final Annotate annotate;
duke@1 61 private final Paths paths;
duke@1 62
duke@1 63 /**
duke@1 64 * Construct a new JavaCompiler processor, using appropriately
duke@1 65 * extended phases of the underlying compiler.
duke@1 66 */
duke@1 67 protected JavadocTool(Context context) {
duke@1 68 super(context);
duke@1 69 this.context = context;
duke@1 70 messager = Messager.instance0(context);
duke@1 71 reader = JavadocClassReader.instance0(context);
duke@1 72 enter = JavadocEnter.instance0(context);
duke@1 73 annotate = Annotate.instance(context);
duke@1 74 paths = Paths.instance(context);
duke@1 75 }
duke@1 76
duke@1 77 /**
duke@1 78 * For javadoc, the parser needs to keep comments. Overrides method from JavaCompiler.
duke@1 79 */
duke@1 80 protected boolean keepComments() {
duke@1 81 return true;
duke@1 82 }
duke@1 83
duke@1 84 /**
duke@1 85 * Construct a new javadoc tool.
duke@1 86 */
duke@1 87 public static JavadocTool make0(Context context) {
duke@1 88 Messager messager = null;
duke@1 89 try {
duke@1 90 // force the use of Javadoc's class reader
duke@1 91 JavadocClassReader.preRegister(context);
duke@1 92
duke@1 93 // force the use of Javadoc's own enter phase
duke@1 94 JavadocEnter.preRegister(context);
duke@1 95
duke@1 96 // force the use of Javadoc's own member enter phase
duke@1 97 JavadocMemberEnter.preRegister(context);
duke@1 98
duke@1 99 // force the use of Javadoc's own todo phase
duke@1 100 JavadocTodo.preRegister(context);
duke@1 101
duke@1 102 // force the use of Messager as a Log
duke@1 103 messager = Messager.instance0(context);
duke@1 104
duke@1 105 // force the use of the scanner that captures Javadoc comments
duke@1 106 DocCommentScanner.Factory.preRegister(context);
duke@1 107
duke@1 108 return new JavadocTool(context);
duke@1 109 } catch (CompletionFailure ex) {
duke@1 110 messager.error(Position.NOPOS, ex.getMessage());
duke@1 111 return null;
duke@1 112 }
duke@1 113 }
duke@1 114
duke@1 115 public RootDocImpl getRootDocImpl(String doclocale,
duke@1 116 String encoding,
duke@1 117 ModifierFilter filter,
duke@1 118 List<String> javaNames,
duke@1 119 List<String[]> options,
duke@1 120 boolean breakiterator,
duke@1 121 List<String> subPackages,
duke@1 122 List<String> excludedPackages,
duke@1 123 boolean docClasses,
duke@1 124 boolean legacyDoclet,
duke@1 125 boolean quiet) throws IOException {
duke@1 126 docenv = DocEnv.instance(context);
duke@1 127 docenv.showAccess = filter;
duke@1 128 docenv.quiet = quiet;
duke@1 129 docenv.breakiterator = breakiterator;
duke@1 130 docenv.setLocale(doclocale);
duke@1 131 docenv.setEncoding(encoding);
duke@1 132 docenv.docClasses = docClasses;
duke@1 133 docenv.legacyDoclet = legacyDoclet;
duke@1 134 reader.sourceCompleter = docClasses ? null : this;
duke@1 135
duke@1 136 ListBuffer<String> names = new ListBuffer<String>();
duke@1 137 ListBuffer<JCCompilationUnit> classTrees = new ListBuffer<JCCompilationUnit>();
duke@1 138 ListBuffer<JCCompilationUnit> packTrees = new ListBuffer<JCCompilationUnit>();
duke@1 139
duke@1 140 try {
duke@1 141 for (List<String> it = javaNames; it.nonEmpty(); it = it.tail) {
duke@1 142 String name = it.head;
duke@1 143 if (!docClasses && name.endsWith(".java") && new File(name).exists()) {
duke@1 144 docenv.notice("main.Loading_source_file", name);
duke@1 145 JCCompilationUnit tree = parse(name);
duke@1 146 classTrees.append(tree);
duke@1 147 } else if (isValidPackageName(name)) {
duke@1 148 names = names.append(name);
duke@1 149 } else if (name.endsWith(".java")) {
duke@1 150 docenv.error(null, "main.file_not_found", name);;
duke@1 151 } else {
duke@1 152 docenv.error(null, "main.illegal_package_name", name);
duke@1 153 }
duke@1 154 }
duke@1 155
duke@1 156 if (!docClasses) {
duke@1 157 // Recursively search given subpackages. If any packages
duke@1 158 //are found, add them to the list.
duke@1 159 searchSubPackages(subPackages, names, excludedPackages);
duke@1 160
duke@1 161 // Parse the packages
duke@1 162 for (List<String> packs = names.toList(); packs.nonEmpty(); packs = packs.tail) {
duke@1 163 // Parse sources ostensibly belonging to package.
duke@1 164 parsePackageClasses(packs.head, packTrees, excludedPackages);
duke@1 165 }
duke@1 166
duke@1 167 if (messager.nerrors() != 0) return null;
duke@1 168
duke@1 169 // Enter symbols for all files
duke@1 170 docenv.notice("main.Building_tree");
duke@1 171 enter.main(classTrees.toList().appendList(packTrees.toList()));
duke@1 172 }
duke@1 173 } catch (Abort ex) {}
duke@1 174
duke@1 175 if (messager.nerrors() != 0) return null;
duke@1 176
duke@1 177 if (docClasses)
duke@1 178 return new RootDocImpl(docenv, javaNames, options);
duke@1 179 else
duke@1 180 return new RootDocImpl(docenv, listClasses(classTrees.toList()), names.toList(), options);
duke@1 181 }
duke@1 182
duke@1 183 /** Is the given string a valid package name? */
duke@1 184 boolean isValidPackageName(String s) {
duke@1 185 int index;
duke@1 186 while ((index = s.indexOf('.')) != -1) {
duke@1 187 if (!isValidClassName(s.substring(0, index))) return false;
duke@1 188 s = s.substring(index+1);
duke@1 189 }
duke@1 190 return isValidClassName(s);
duke@1 191 }
duke@1 192
duke@1 193
duke@1 194 private final static char pathSep = File.pathSeparatorChar;
duke@1 195
duke@1 196 /**
duke@1 197 * search all directories in path for subdirectory name. Add all
duke@1 198 * .java files found in such a directory to args.
duke@1 199 */
duke@1 200 private void parsePackageClasses(String name,
duke@1 201 ListBuffer<JCCompilationUnit> trees,
duke@1 202 List<String> excludedPackages)
duke@1 203 throws IOException {
duke@1 204 if (excludedPackages.contains(name)) {
duke@1 205 return;
duke@1 206 }
duke@1 207 boolean hasFiles = false;
duke@1 208 docenv.notice("main.Loading_source_files_for_package", name);
duke@1 209 name = name.replace('.', File.separatorChar);
duke@1 210 for (File pathname : paths.sourceSearchPath()) {
duke@1 211 File f = new File(pathname, name);
duke@1 212 String names[] = f.list();
duke@1 213 // if names not null, then found directory with source files
duke@1 214 if (names != null) {
duke@1 215 String dir = f.getAbsolutePath();
duke@1 216 if (!dir.endsWith(File.separator))
duke@1 217 dir = dir + File.separator;
duke@1 218 for (int j = 0; j < names.length; j++) {
duke@1 219 if (isValidJavaSourceFile(names[j])) {
duke@1 220 String fn = dir + names[j];
duke@1 221 // messager.notice("main.Loading_source_file", fn);
duke@1 222 trees.append(parse(fn));
duke@1 223 hasFiles = true;
duke@1 224 }
duke@1 225 }
duke@1 226 }
duke@1 227 }
duke@1 228 if (!hasFiles)
duke@1 229 messager.warning(null, "main.no_source_files_for_package",
duke@1 230 name.replace(File.separatorChar, '.'));
duke@1 231 }
duke@1 232
duke@1 233 /**
duke@1 234 * Recursively search all directories in path for subdirectory name.
duke@1 235 * Add all packages found in such a directory to packages list.
duke@1 236 */
duke@1 237 private void searchSubPackages(List<String> subPackages,
duke@1 238 ListBuffer<String> packages,
duke@1 239 List<String> excludedPackages) {
duke@1 240 // FIXME: This search path is bogus.
duke@1 241 // Only the effective source path should be searched for sources.
duke@1 242 // Only the effective class path should be searched for classes.
duke@1 243 // Should the bootclasspath/extdirs also be searched for classes?
duke@1 244 java.util.List<File> pathnames = new java.util.ArrayList<File>();
duke@1 245 if (paths.sourcePath() != null)
duke@1 246 for (File elt : paths.sourcePath())
duke@1 247 pathnames.add(elt);
duke@1 248 for (File elt : paths.userClassPath())
duke@1 249 pathnames.add(elt);
duke@1 250
duke@1 251 for (String subPackage : subPackages)
duke@1 252 searchSubPackage(subPackage, packages, excludedPackages, pathnames);
duke@1 253 }
duke@1 254
duke@1 255 /**
duke@1 256 * Recursively search all directories in path for subdirectory name.
duke@1 257 * Add all packages found in such a directory to packages list.
duke@1 258 */
duke@1 259 private void searchSubPackage(String packageName,
duke@1 260 ListBuffer<String> packages,
duke@1 261 List<String> excludedPackages,
duke@1 262 Collection<File> pathnames) {
duke@1 263 if (excludedPackages.contains(packageName))
duke@1 264 return;
duke@1 265
duke@1 266 String packageFilename = packageName.replace('.', File.separatorChar);
duke@1 267 boolean addedPackage = false;
duke@1 268 for (File pathname : pathnames) {
duke@1 269 File f = new File(pathname, packageFilename);
duke@1 270 String filenames[] = f.list();
duke@1 271 // if filenames not null, then found directory
duke@1 272 if (filenames != null) {
duke@1 273 for (String filename : filenames) {
duke@1 274 if (!addedPackage
duke@1 275 && (isValidJavaSourceFile(filename) ||
duke@1 276 isValidJavaClassFile(filename))
duke@1 277 && !packages.contains(packageName)) {
duke@1 278 packages.append(packageName);
duke@1 279 addedPackage = true;
duke@1 280 } else if (isValidClassName(filename) &&
duke@1 281 (new File(f, filename)).isDirectory()) {
duke@1 282 searchSubPackage(packageName + "." + filename,
duke@1 283 packages, excludedPackages, pathnames);
duke@1 284 }
duke@1 285 }
duke@1 286 }
duke@1 287 }
duke@1 288 }
duke@1 289
duke@1 290 /**
duke@1 291 * Return true if given file name is a valid class file name.
duke@1 292 * @param file the name of the file to check.
duke@1 293 * @return true if given file name is a valid class file name
duke@1 294 * and false otherwise.
duke@1 295 */
duke@1 296 private static boolean isValidJavaClassFile(String file) {
duke@1 297 if (!file.endsWith(".class")) return false;
duke@1 298 String clazzName = file.substring(0, file.length() - ".class".length());
duke@1 299 return isValidClassName(clazzName);
duke@1 300 }
duke@1 301
duke@1 302 /**
duke@1 303 * Return true if given file name is a valid Java source file name.
duke@1 304 * @param file the name of the file to check.
duke@1 305 * @return true if given file name is a valid Java source file name
duke@1 306 * and false otherwise.
duke@1 307 */
duke@1 308 private static boolean isValidJavaSourceFile(String file) {
duke@1 309 if (!file.endsWith(".java")) return false;
duke@1 310 String clazzName = file.substring(0, file.length() - ".java".length());
duke@1 311 return isValidClassName(clazzName);
duke@1 312 }
duke@1 313
duke@1 314 /** Are surrogates supported?
duke@1 315 */
duke@1 316 final static boolean surrogatesSupported = surrogatesSupported();
duke@1 317 private static boolean surrogatesSupported() {
duke@1 318 try {
duke@1 319 boolean b = Character.isHighSurrogate('a');
duke@1 320 return true;
duke@1 321 } catch (NoSuchMethodError ex) {
duke@1 322 return false;
duke@1 323 }
duke@1 324 }
duke@1 325
duke@1 326 /**
duke@1 327 * Return true if given file name is a valid class name
duke@1 328 * (including "package-info").
duke@1 329 * @param clazzname the name of the class to check.
duke@1 330 * @return true if given class name is a valid class name
duke@1 331 * and false otherwise.
duke@1 332 */
duke@1 333 public static boolean isValidClassName(String s) {
duke@1 334 if (s.length() < 1) return false;
duke@1 335 if (s.equals("package-info")) return true;
duke@1 336 if (surrogatesSupported) {
duke@1 337 int cp = s.codePointAt(0);
duke@1 338 if (!Character.isJavaIdentifierStart(cp))
duke@1 339 return false;
duke@1 340 for (int j=Character.charCount(cp); j<s.length(); j+=Character.charCount(cp)) {
duke@1 341 cp = s.codePointAt(j);
duke@1 342 if (!Character.isJavaIdentifierPart(cp))
duke@1 343 return false;
duke@1 344 }
duke@1 345 } else {
duke@1 346 if (!Character.isJavaIdentifierStart(s.charAt(0)))
duke@1 347 return false;
duke@1 348 for (int j=1; j<s.length(); j++)
duke@1 349 if (!Character.isJavaIdentifierPart(s.charAt(j)))
duke@1 350 return false;
duke@1 351 }
duke@1 352 return true;
duke@1 353 }
duke@1 354
duke@1 355 /**
duke@1 356 * From a list of top level trees, return the list of contained class definitions
duke@1 357 */
duke@1 358 List<JCClassDecl> listClasses(List<JCCompilationUnit> trees) {
duke@1 359 ListBuffer<JCClassDecl> result = new ListBuffer<JCClassDecl>();
duke@1 360 for (JCCompilationUnit t : trees) {
duke@1 361 for (JCTree def : t.defs) {
duke@1 362 if (def.getTag() == JCTree.CLASSDEF)
duke@1 363 result.append((JCClassDecl)def);
duke@1 364 }
duke@1 365 }
duke@1 366 return result.toList();
duke@1 367 }
duke@1 368
duke@1 369 }

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