jdk8-mips64-public/langtools: src/share/classes/com/sun/tools/javadoc/JavadocTool.java@1bf037016426 (annotated)

src/share/classes/com/sun/tools/javadoc/JavadocTool.java@1bf037016426 (annotated)

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

Tue, 20 Jan 2009 15:17:45 -0800

author: jjg
date: Tue, 20 Jan 2009 15:17:45 -0800
changeset 197: 1bf037016426
parent 54: eaf608c64fec
child 229: 03bcd66bd8e7
permissions: -rw-r--r--

6794582: javadoc should read files using a FileManager
Reviewed-by: darcy, bpatel

 /*
  * Copyright 2001-2008 Sun Microsystems, Inc.  All Rights Reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.  Sun designates this
  * particular file as subject to the "Classpath" exception as provided
  * by Sun in the LICENSE file that accompanied this code.
  *
  * This code is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
  * CA 95054 USA or visit www.sun.com if you need additional information or
  * have any questions.
  */
 package com.sun.tools.javadoc;
 import java.io.File;
 import java.io.IOException;
 import java.util.Collection;
 import java.util.EnumSet;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.Set;
 import javax.tools.JavaFileManager.Location;
 import javax.tools.JavaFileObject;
 import javax.tools.StandardJavaFileManager;
 import javax.tools.StandardLocation;
 import com.sun.tools.javac.code.Symbol.CompletionFailure;
 import com.sun.tools.javac.comp.Annotate;
 import com.sun.tools.javac.parser.DocCommentScanner;
 import com.sun.tools.javac.tree.JCTree;
 import com.sun.tools.javac.tree.JCTree.JCClassDecl;
 import com.sun.tools.javac.tree.JCTree.JCCompilationUnit;
 import com.sun.tools.javac.util.Abort;
 import com.sun.tools.javac.util.Context;
 import com.sun.tools.javac.util.List;
 import com.sun.tools.javac.util.ListBuffer;
 import com.sun.tools.javac.util.Position;
 /**
  *  This class could be the main entry point for Javadoc when Javadoc is used as a
  *  component in a larger software system. It provides operations to
  *  construct a new javadoc processor, and to run it on a set of source
  *  files.
  *  @author Neal Gafter
  */
 public class JavadocTool extends com.sun.tools.javac.main.JavaCompiler {
     DocEnv docenv;
     final Context context;
     final Messager messager;
     final JavadocClassReader reader;
     final JavadocEnter enter;
     final Annotate annotate;
     /**
      * Construct a new JavaCompiler processor, using appropriately
      * extended phases of the underlying compiler.
      */
     protected JavadocTool(Context context) {
         super(context);
         this.context = context;
         messager = Messager.instance0(context);
         reader = JavadocClassReader.instance0(context);
         enter = JavadocEnter.instance0(context);
         annotate = Annotate.instance(context);
     }
     /**
      * For javadoc, the parser needs to keep comments. Overrides method from JavaCompiler.
      */
     protected boolean keepComments() {
         return true;
     }
     /**
      *  Construct a new javadoc tool.
      */
     public static JavadocTool make0(Context context) {
         Messager messager = null;
         try {
             // force the use of Javadoc's class reader
             JavadocClassReader.preRegister(context);
             // force the use of Javadoc's own enter phase
             JavadocEnter.preRegister(context);
             // force the use of Javadoc's own member enter phase
             JavadocMemberEnter.preRegister(context);
             // force the use of Javadoc's own todo phase
             JavadocTodo.preRegister(context);
             // force the use of Messager as a Log
             messager = Messager.instance0(context);
             // force the use of the scanner that captures Javadoc comments
             DocCommentScanner.Factory.preRegister(context);
             return new JavadocTool(context);
         } catch (CompletionFailure ex) {
             messager.error(Position.NOPOS, ex.getMessage());
             return null;
         }
     }
     public RootDocImpl getRootDocImpl(String doclocale,
                                       String encoding,
                                       ModifierFilter filter,
                                       List<String> javaNames,
                                       List<String[]> options,
                                       boolean breakiterator,
                                       List<String> subPackages,
                                       List<String> excludedPackages,
                                       boolean docClasses,
                                       boolean legacyDoclet,
                       boolean quiet) throws IOException {
         docenv = DocEnv.instance(context);
         docenv.showAccess = filter;
         docenv.quiet = quiet;
         docenv.breakiterator = breakiterator;
         docenv.setLocale(doclocale);
         docenv.setEncoding(encoding);
         docenv.docClasses = docClasses;
         docenv.legacyDoclet = legacyDoclet;
         reader.sourceCompleter = docClasses ? null : this;
         ListBuffer<String> names = new ListBuffer<String>();
         ListBuffer<JCCompilationUnit> classTrees = new ListBuffer<JCCompilationUnit>();
         ListBuffer<JCCompilationUnit> packTrees = new ListBuffer<JCCompilationUnit>();
         try {
             StandardJavaFileManager fm = (StandardJavaFileManager) docenv.fileManager;
             for (List<String> it = javaNames; it.nonEmpty(); it = it.tail) {
                 String name = it.head;
                 if (!docClasses && name.endsWith(".java") && new File(name).exists()) {
                     JavaFileObject fo = fm.getJavaFileObjects(name).iterator().next();
                     docenv.notice("main.Loading_source_file", name);
                     JCCompilationUnit tree = parse(fo);
                     classTrees.append(tree);
                 } else if (isValidPackageName(name)) {
                     names = names.append(name);
                 } else if (name.endsWith(".java")) {
                     docenv.error(null, "main.file_not_found", name);
                 } else {
                     docenv.error(null, "main.illegal_package_name", name);
                 }
             }
             if (!docClasses) {
                 // Recursively search given subpackages.  If any packages
                 //are found, add them to the list.
                 Map<String,List<JavaFileObject>> packageFiles =
                         searchSubPackages(subPackages, names, excludedPackages);
                 // Parse the packages
                 for (List<String> packs = names.toList(); packs.nonEmpty(); packs = packs.tail) {
                     // Parse sources ostensibly belonging to package.
                     String packageName = packs.head;
                     parsePackageClasses(packageName, packageFiles.get(packageName), packTrees, excludedPackages);
                 }
                 if (messager.nerrors() != 0) return null;
                 // Enter symbols for all files
                 docenv.notice("main.Building_tree");
                 enter.main(classTrees.toList().appendList(packTrees.toList()));
             }
         } catch (Abort ex) {}
         if (messager.nerrors() != 0)
             return null;
         if (docClasses)
             return new RootDocImpl(docenv, javaNames, options);
         else
             return new RootDocImpl(docenv, listClasses(classTrees.toList()), names.toList(), options);
     }
     /** Is the given string a valid package name? */
     boolean isValidPackageName(String s) {
         int index;
         while ((index = s.indexOf('.')) != -1) {
             if (!isValidClassName(s.substring(0, index))) return false;
             s = s.substring(index+1);
         }
         return isValidClassName(s);
     }
     /**
      * search all directories in path for subdirectory name. Add all
      * .java files found in such a directory to args.
      */
     private void parsePackageClasses(String name,
             Iterable<JavaFileObject> files,
             ListBuffer<JCCompilationUnit> trees,
             List<String> excludedPackages)
             throws IOException {
         if (excludedPackages.contains(name)) {
             return;
         }
         boolean hasFiles = false;
         docenv.notice("main.Loading_source_files_for_package", name);
         if (files == null) {
             Location location = docenv.fileManager.hasLocation(StandardLocation.SOURCE_PATH)
                     ? StandardLocation.SOURCE_PATH : StandardLocation.CLASS_PATH;
             ListBuffer<JavaFileObject> lb = new ListBuffer<JavaFileObject>();
             for (JavaFileObject fo: docenv.fileManager.list(
                     location, name, EnumSet.of(JavaFileObject.Kind.SOURCE), false)) {
                 String binaryName = docenv.fileManager.inferBinaryName(location, fo);
                 String simpleName = getSimpleName(binaryName);
                 if (isValidClassName(simpleName)) {
                     lb.append(fo);
                 }
             }
             files = lb.toList();
         }
         for (JavaFileObject fo : files) {
             // messager.notice("main.Loading_source_file", fn);
             trees.append(parse(fo));
             hasFiles = true;
         }
         if (!hasFiles) {
             messager.warning(null, "main.no_source_files_for_package",
                     name.replace(File.separatorChar, '.'));
         }
     }
     /**
      * Recursively search all directories in path for subdirectory name.
      * Add all packages found in such a directory to packages list.
      */
     private Map<String,List<JavaFileObject>> searchSubPackages(
             List<String> subPackages,
             ListBuffer<String> packages,
             List<String> excludedPackages)
             throws IOException {
         Map<String,List<JavaFileObject>> packageFiles =
                 new HashMap<String,List<JavaFileObject>>();
         Map<String,Boolean> includedPackages = new HashMap<String,Boolean>();
         includedPackages.put("", true);
         for (String p: excludedPackages)
             includedPackages.put(p, false);
         if (docenv.fileManager.hasLocation(StandardLocation.SOURCE_PATH)) {
             searchSubPackages(subPackages,
                     includedPackages,
                     packages, packageFiles,
                     StandardLocation.SOURCE_PATH,
                     EnumSet.of(JavaFileObject.Kind.SOURCE));
             searchSubPackages(subPackages,
                     includedPackages,
                     packages, packageFiles,
                     StandardLocation.CLASS_PATH,
                     EnumSet.of(JavaFileObject.Kind.CLASS));
         } else {
             searchSubPackages(subPackages,
                     includedPackages,
                     packages, packageFiles,
                     StandardLocation.CLASS_PATH,
                     EnumSet.of(JavaFileObject.Kind.SOURCE, JavaFileObject.Kind.CLASS));
         }
         return packageFiles;
     }
     private void searchSubPackages(List<String> subPackages,
             Map<String,Boolean> includedPackages,
             ListBuffer<String> packages,
             Map<String, List<JavaFileObject>> packageFiles,
             StandardLocation location, Set<JavaFileObject.Kind> kinds)
             throws IOException {
         for (String subPackage: subPackages) {
             if (!isIncluded(subPackage, includedPackages))
                 continue;
             for (JavaFileObject fo: docenv.fileManager.list(location, subPackage, kinds, true)) {
                 String binaryName = docenv.fileManager.inferBinaryName(location, fo);
                 String packageName = getPackageName(binaryName);
                 String simpleName = getSimpleName(binaryName);
                 if (isIncluded(packageName, includedPackages) && isValidClassName(simpleName)) {
                     List<JavaFileObject> list = packageFiles.get(packageName);
                     list = (list == null ? List.of(fo) : list.prepend(fo));
                     packageFiles.put(packageName, list);
                     if (!packages.contains(packageName))
                         packages.add(packageName);
                 }
             }
         }
     }
     private String getPackageName(String name) {
         int lastDot = name.lastIndexOf(".");
         return (lastDot == -1 ? "" : name.substring(0, lastDot));
     }
     private String getSimpleName(String name) {
         int lastDot = name.lastIndexOf(".");
         return (lastDot == -1 ? name : name.substring(lastDot + 1));
     }
     private boolean isIncluded(String packageName, Map<String,Boolean> includedPackages) {
         Boolean b = includedPackages.get(packageName);
         if (b == null) {
             b = isIncluded(getPackageName(packageName), includedPackages);
             includedPackages.put(packageName, b);
         }
         return b;
     }
     /**
      * Recursively search all directories in path for subdirectory name.
      * Add all packages found in such a directory to packages list.
      */
     private void searchSubPackage(String packageName,
                                   ListBuffer<String> packages,
                                   List<String> excludedPackages,
                                   Collection<File> pathnames) {
         if (excludedPackages.contains(packageName))
             return;
         String packageFilename = packageName.replace('.', File.separatorChar);
         boolean addedPackage = false;
         for (File pathname : pathnames) {
             File f = new File(pathname, packageFilename);
             String filenames[] = f.list();
             // if filenames not null, then found directory
             if (filenames != null) {
                 for (String filename : filenames) {
                     if (!addedPackage
                             && (isValidJavaSourceFile(filename) ||
                                 isValidJavaClassFile(filename))
                             && !packages.contains(packageName)) {
                         packages.append(packageName);
                         addedPackage = true;
                     } else if (isValidClassName(filename) &&
                                (new File(f, filename)).isDirectory()) {
                         searchSubPackage(packageName + "." + filename,
                                          packages, excludedPackages, pathnames);
                     }
                 }
             }
         }
     }
     /**
      * Return true if given file name is a valid class file name.
      * @param file the name of the file to check.
      * @return true if given file name is a valid class file name
      * and false otherwise.
      */
     private static boolean isValidJavaClassFile(String file) {
         if (!file.endsWith(".class")) return false;
         String clazzName = file.substring(0, file.length() - ".class".length());
         return isValidClassName(clazzName);
     }
     /**
      * Return true if given file name is a valid Java source file name.
      * @param file the name of the file to check.
      * @return true if given file name is a valid Java source file name
      * and false otherwise.
      */
     private static boolean isValidJavaSourceFile(String file) {
         if (!file.endsWith(".java")) return false;
         String clazzName = file.substring(0, file.length() - ".java".length());
         return isValidClassName(clazzName);
     }
     /** Are surrogates supported?
      */
     final static boolean surrogatesSupported = surrogatesSupported();
     private static boolean surrogatesSupported() {
         try {
             boolean b = Character.isHighSurrogate('a');
             return true;
         } catch (NoSuchMethodError ex) {
             return false;
         }
     }
     /**
      * Return true if given file name is a valid class name
      * (including "package-info").
      * @param clazzname the name of the class to check.
      * @return true if given class name is a valid class name
      * and false otherwise.
      */
     public static boolean isValidClassName(String s) {
         if (s.length() < 1) return false;
         if (s.equals("package-info")) return true;
         if (surrogatesSupported) {
             int cp = s.codePointAt(0);
             if (!Character.isJavaIdentifierStart(cp))
                 return false;
             for (int j=Character.charCount(cp); j<s.length(); j+=Character.charCount(cp)) {
                 cp = s.codePointAt(j);
                 if (!Character.isJavaIdentifierPart(cp))
                     return false;
             }
         } else {
             if (!Character.isJavaIdentifierStart(s.charAt(0)))
                 return false;
             for (int j=1; j<s.length(); j++)
                 if (!Character.isJavaIdentifierPart(s.charAt(j)))
                     return false;
         }
         return true;
     }
     /**
      * From a list of top level trees, return the list of contained class definitions
      */
     List<JCClassDecl> listClasses(List<JCCompilationUnit> trees) {
         ListBuffer<JCClassDecl> result = new ListBuffer<JCClassDecl>();
         for (JCCompilationUnit t : trees) {
             for (JCTree def : t.defs) {
                 if (def.getTag() == JCTree.CLASSDEF)
                     result.append((JCClassDecl)def);
             }
         }
         return result.toList();
     }
 }

Mercurial > jdk8-mips64-public > langtools / annotate

src/share/classes/com/sun/tools/javadoc/JavadocTool.java@1bf037016426 (annotated)

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