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

Mon, 16 Jun 2008 13:28:00 -0700

author
jjg
date
Mon, 16 Jun 2008 13:28:00 -0700
changeset 50
b9bcea8bbe24
parent 1
9a66ca7c79fa
child 54
eaf608c64fec
permissions
-rw-r--r--

6714364: refactor javac File handling code into new javac.file package
Reviewed-by: mcimadamore

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

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