author | jjg |
Mon, 09 May 2016 16:52:15 -0700 | |
changeset 37938 | 42baa89d2156 |
parent 36526 | langtools/src/jdk.javadoc/share/classes/com/sun/tools/javadoc/JavadocTool.java@3b41f1c69604 |
child 38617 | d93a7f64e231 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2001, 2016, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package com.sun.tools.javadoc.main; |
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import java.io.File; |
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import java.io.IOException; |
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import java.util.Collection; |
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import java.util.EnumSet; |
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import java.util.HashSet; |
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import java.util.LinkedHashMap; |
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import java.util.LinkedHashSet; |
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import java.util.Map; |
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import java.util.Set; |
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import javax.tools.JavaFileManager; |
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import javax.tools.JavaFileManager.Location; |
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import javax.tools.JavaFileObject; |
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import javax.tools.StandardJavaFileManager; |
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import javax.tools.StandardLocation; |
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import com.sun.tools.javac.code.ClassFinder; |
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import com.sun.tools.javac.code.Symbol.Completer; |
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import com.sun.tools.javac.code.Symbol.ModuleSymbol; |
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import com.sun.tools.javac.comp.Enter; |
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import com.sun.tools.javac.tree.JCTree; |
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import com.sun.tools.javac.tree.JCTree.JCClassDecl; |
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import com.sun.tools.javac.tree.JCTree.JCCompilationUnit; |
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import com.sun.tools.javac.util.Abort; |
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import com.sun.tools.javac.util.Context; |
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import com.sun.tools.javac.util.List; |
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import com.sun.tools.javac.util.ListBuffer; |
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/** |
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* This class could be the main entry point for Javadoc when Javadoc is used as a |
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* component in a larger software system. It provides operations to |
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* construct a new javadoc processor, and to run it on a set of source |
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* files. |
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* |
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* <p><b>This is NOT part of any supported API. |
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* If you write code that depends on this, you do so at your own risk. |
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* This code and its internal interfaces are subject to change or |
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* deletion without notice.</b> |
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* |
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* @author Neal Gafter |
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*/ |
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public class JavadocTool extends com.sun.tools.javac.main.JavaCompiler { |
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DocEnv docenv; |
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final Messager messager; |
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final ClassFinder javadocFinder; |
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final Enter javadocEnter; |
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final Set<JavaFileObject> uniquefiles; |
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/** |
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* Construct a new JavaCompiler processor, using appropriately |
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* extended phases of the underlying compiler. |
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*/ |
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protected JavadocTool(Context context) { |
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super(context); |
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messager = Messager.instance0(context); |
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javadocFinder = JavadocClassFinder.instance(context); |
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javadocEnter = JavadocEnter.instance(context); |
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uniquefiles = new HashSet<>(); |
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} |
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/** |
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* For javadoc, the parser needs to keep comments. Overrides method from JavaCompiler. |
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*/ |
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@Override |
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protected boolean keepComments() { |
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return true; |
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} |
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/** |
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* Construct a new javadoc tool. |
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*/ |
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public static JavadocTool make0(Context context) { |
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// force the use of Javadoc's class finder |
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JavadocClassFinder.preRegister(context); |
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// force the use of Javadoc's own enter phase |
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JavadocEnter.preRegister(context); |
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// force the use of Javadoc's own member enter phase |
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JavadocMemberEnter.preRegister(context); |
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// force the use of Javadoc's own todo phase |
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JavadocTodo.preRegister(context); |
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// force the use of Messager as a Log |
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Messager.instance0(context); |
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return new JavadocTool(context); |
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} |
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public RootDocImpl getRootDocImpl(String doclocale, |
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String encoding, |
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ModifierFilter filter, |
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List<String> args, |
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List<String[]> options, |
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Iterable<? extends JavaFileObject> fileObjects, |
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boolean breakiterator, |
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List<String> subPackages, |
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List<String> excludedPackages, |
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boolean docClasses, |
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boolean legacyDoclet, |
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boolean quiet) throws IOException { |
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docenv = DocEnv.instance(context); |
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docenv.showAccess = filter; |
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docenv.quiet = quiet; |
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docenv.breakiterator = breakiterator; |
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docenv.setLocale(doclocale); |
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docenv.setEncoding(encoding); |
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docenv.docClasses = docClasses; |
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docenv.legacyDoclet = legacyDoclet; |
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javadocFinder.sourceCompleter = docClasses ? Completer.NULL_COMPLETER : sourceCompleter; |
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if (docClasses) { |
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// If -Xclasses is set, the args should be a series of class names |
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for (String arg: args) { |
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if (!isValidPackageName(arg)) // checks |
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docenv.error(null, "main.illegal_class_name", arg); |
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} |
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if (messager.nerrors() != 0) { |
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return null; |
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} |
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return new RootDocImpl(docenv, args, options); |
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} |
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ListBuffer<JCCompilationUnit> classTrees = new ListBuffer<>(); |
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Set<String> includedPackages = new LinkedHashSet<>(); |
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try { |
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StandardJavaFileManager fm = docenv.fileManager instanceof StandardJavaFileManager |
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? (StandardJavaFileManager) docenv.fileManager : null; |
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Set<String> packageNames = new LinkedHashSet<>(); |
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// Normally, the args should be a series of package names or file names. |
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// Parse the files and collect the package names. |
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for (String arg: args) { |
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if (fm != null && arg.endsWith(".java") && new File(arg).exists()) { |
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if (new File(arg).getName().equals("module-info.java")) { |
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docenv.warning(null, "main.file_ignored", arg); |
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} else { |
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parse(fm.getJavaFileObjects(arg), classTrees, true); |
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} |
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} else if (isValidPackageName(arg)) { |
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packageNames.add(arg); |
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} else if (arg.endsWith(".java")) { |
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if (fm == null) |
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throw new IllegalArgumentException(); |
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else |
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docenv.error(null, "main.file_not_found", arg); |
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} else { |
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docenv.error(null, "main.illegal_package_name", arg); |
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} |
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} |
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// Parse file objects provide via the DocumentationTool API |
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parse(fileObjects, classTrees, true); |
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modules.enter(classTrees.toList(), null); |
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syms.unnamedModule.complete(); // TEMP to force reading all named modules |
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// Build up the complete list of any packages to be documented |
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Location location = |
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modules.multiModuleMode && !modules.noModules ? StandardLocation.MODULE_SOURCE_PATH |
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: docenv.fileManager.hasLocation(StandardLocation.SOURCE_PATH) ? StandardLocation.SOURCE_PATH |
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: StandardLocation.CLASS_PATH; |
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PackageTable t = new PackageTable(docenv.fileManager, location) |
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.packages(packageNames) |
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.subpackages(subPackages, excludedPackages); |
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includedPackages = t.getIncludedPackages(); |
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// Parse the files in the packages to be documented |
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ListBuffer<JCCompilationUnit> packageTrees = new ListBuffer<>(); |
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for (String packageName: includedPackages) { |
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List<JavaFileObject> files = t.getFiles(packageName); |
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docenv.notice("main.Loading_source_files_for_package", packageName); |
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if (files.isEmpty()) |
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messager.warning(Messager.NOPOS, "main.no_source_files_for_package", packageName); |
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parse(files, packageTrees, false); |
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} |
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modules.enter(packageTrees.toList(), null); |
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if (messager.nerrors() != 0) { |
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return null; |
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} |
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// Enter symbols for all files |
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docenv.notice("main.Building_tree"); |
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javadocEnter.main(classTrees.toList().appendList(packageTrees.toList())); |
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enterDone = true; |
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} catch (Abort ex) {} |
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if (messager.nerrors() != 0) |
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return null; |
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return new RootDocImpl(docenv, listClasses(classTrees.toList()), List.from(includedPackages), options); |
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} |
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/** Is the given string a valid package name? */ |
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boolean isValidPackageName(String s) { |
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231 |
int index; |
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232 |
while ((index = s.indexOf('.')) != -1) { |
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if (!isValidClassName(s.substring(0, index))) return false; |
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234 |
s = s.substring(index+1); |
|
235 |
} |
|
236 |
return isValidClassName(s); |
|
237 |
} |
|
238 |
||
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private void parse(Iterable<? extends JavaFileObject> files, ListBuffer<JCCompilationUnit> trees, |
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boolean trace) { |
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241 |
for (JavaFileObject fo: files) { |
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242 |
if (uniquefiles.add(fo)) { // ignore duplicates |
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243 |
if (trace) |
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244 |
docenv.notice("main.Loading_source_file", fo.getName()); |
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trees.append(parse(fo)); |
1869 | 246 |
} |
247 |
} |
|
248 |
} |
|
249 |
||
10 | 250 |
/** Are surrogates supported? |
251 |
*/ |
|
252 |
final static boolean surrogatesSupported = surrogatesSupported(); |
|
253 |
private static boolean surrogatesSupported() { |
|
254 |
try { |
|
255 |
boolean b = Character.isHighSurrogate('a'); |
|
256 |
return true; |
|
257 |
} catch (NoSuchMethodError ex) { |
|
258 |
return false; |
|
259 |
} |
|
260 |
} |
|
261 |
||
262 |
/** |
|
263 |
* Return true if given file name is a valid class name |
|
264 |
* (including "package-info"). |
|
14259 | 265 |
* @param s the name of the class to check. |
10 | 266 |
* @return true if given class name is a valid class name |
267 |
* and false otherwise. |
|
268 |
*/ |
|
269 |
public static boolean isValidClassName(String s) { |
|
270 |
if (s.length() < 1) return false; |
|
271 |
if (s.equals("package-info")) return true; |
|
272 |
if (surrogatesSupported) { |
|
273 |
int cp = s.codePointAt(0); |
|
274 |
if (!Character.isJavaIdentifierStart(cp)) |
|
275 |
return false; |
|
276 |
for (int j=Character.charCount(cp); j<s.length(); j+=Character.charCount(cp)) { |
|
277 |
cp = s.codePointAt(j); |
|
278 |
if (!Character.isJavaIdentifierPart(cp)) |
|
279 |
return false; |
|
280 |
} |
|
281 |
} else { |
|
282 |
if (!Character.isJavaIdentifierStart(s.charAt(0))) |
|
283 |
return false; |
|
284 |
for (int j=1; j<s.length(); j++) |
|
285 |
if (!Character.isJavaIdentifierPart(s.charAt(j))) |
|
286 |
return false; |
|
287 |
} |
|
288 |
return true; |
|
289 |
} |
|
290 |
||
291 |
/** |
|
292 |
* From a list of top level trees, return the list of contained class definitions |
|
293 |
*/ |
|
294 |
List<JCClassDecl> listClasses(List<JCCompilationUnit> trees) { |
|
22163 | 295 |
ListBuffer<JCClassDecl> result = new ListBuffer<>(); |
10 | 296 |
for (JCCompilationUnit t : trees) { |
297 |
for (JCTree def : t.defs) { |
|
10950 | 298 |
if (def.hasTag(JCTree.Tag.CLASSDEF)) |
10 | 299 |
result.append((JCClassDecl)def); |
300 |
} |
|
301 |
} |
|
302 |
return result.toList(); |
|
303 |
} |
|
304 |
||
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305 |
/** |
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* A table to manage included and excluded packages. |
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307 |
*/ |
36526 | 308 |
class PackageTable { |
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309 |
private final Map<String, Entry> entries = new LinkedHashMap<>(); |
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310 |
private final Set<String> includedPackages = new LinkedHashSet<>(); |
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311 |
private final JavaFileManager fm; |
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312 |
private final Location location; |
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313 |
private final Set<JavaFileObject.Kind> sourceKinds = EnumSet.of(JavaFileObject.Kind.SOURCE); |
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314 |
|
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315 |
/** |
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316 |
* Creates a table to manage included and excluded packages. |
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317 |
* @param fm The file manager used to locate source files |
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318 |
* @param locn the location used to locate source files |
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319 |
*/ |
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320 |
PackageTable(JavaFileManager fm, Location locn) { |
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this.fm = fm; |
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322 |
this.location = locn; |
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323 |
getEntry("").excluded = false; |
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|
324 |
} |
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|
325 |
|
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326 |
PackageTable packages(Collection<String> packageNames) { |
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327 |
includedPackages.addAll(packageNames); |
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328 |
return this; |
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|
329 |
} |
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|
330 |
|
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331 |
PackageTable subpackages(Collection<String> packageNames, Collection<String> excludePackageNames) |
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332 |
throws IOException { |
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333 |
for (String p: excludePackageNames) { |
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334 |
getEntry(p).excluded = true; |
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|
335 |
} |
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|
336 |
|
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|
337 |
for (String packageName: packageNames) { |
36526 | 338 |
Location packageLocn = getLocation(packageName); |
339 |
for (JavaFileObject fo: fm.list(packageLocn, packageName, sourceKinds, true)) { |
|
340 |
String binaryName = fm.inferBinaryName(packageLocn, fo); |
|
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341 |
String pn = getPackageName(binaryName); |
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342 |
String simpleName = getSimpleName(binaryName); |
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343 |
Entry e = getEntry(pn); |
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344 |
if (!e.isExcluded() && isValidClassName(simpleName)) { |
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|
345 |
includedPackages.add(pn); |
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346 |
e.files = (e.files == null ? List.of(fo) : e.files.prepend(fo)); |
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347 |
} |
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348 |
} |
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349 |
} |
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|
350 |
return this; |
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|
351 |
} |
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|
352 |
|
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|
353 |
/** |
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|
354 |
* Returns the aggregate set of included packages. |
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|
355 |
* @return the aggregate set of included packages |
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|
356 |
*/ |
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357 |
Set<String> getIncludedPackages() { |
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|
358 |
return includedPackages; |
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|
359 |
} |
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|
360 |
|
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|
361 |
/** |
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|
362 |
* Returns the set of source files for a package. |
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|
363 |
* @param packageName the specified package |
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|
364 |
* @return the set of file objects for the specified package |
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|
365 |
* @throws IOException if an error occurs while accessing the files |
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|
366 |
*/ |
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|
367 |
List<JavaFileObject> getFiles(String packageName) throws IOException { |
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|
368 |
Entry e = getEntry(packageName); |
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|
369 |
// The files may have been found as a side effect of searching for subpackages |
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|
370 |
if (e.files != null) |
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|
371 |
return e.files; |
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|
372 |
|
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|
373 |
ListBuffer<JavaFileObject> lb = new ListBuffer<>(); |
36526 | 374 |
Location packageLocn = getLocation(packageName); |
375 |
for (JavaFileObject fo: fm.list(packageLocn, packageName, sourceKinds, false)) { |
|
376 |
String binaryName = fm.inferBinaryName(packageLocn, fo); |
|
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|
377 |
String simpleName = getSimpleName(binaryName); |
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|
378 |
if (isValidClassName(simpleName)) { |
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|
379 |
lb.append(fo); |
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|
380 |
} |
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|
381 |
} |
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|
382 |
|
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|
383 |
return lb.toList(); |
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|
384 |
} |
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|
385 |
|
36526 | 386 |
private Location getLocation(String packageName) throws IOException { |
387 |
if (location == StandardLocation.MODULE_SOURCE_PATH) { |
|
388 |
// TODO: handle invalid results |
|
389 |
ModuleSymbol msym = syms.inferModule(names.fromString(packageName)); |
|
390 |
return fm.getModuleLocation(location, msym.name.toString()); |
|
391 |
} else { |
|
392 |
return location; |
|
393 |
} |
|
394 |
} |
|
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|
395 |
|
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|
396 |
private Entry getEntry(String name) { |
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|
397 |
Entry e = entries.get(name); |
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|
398 |
if (e == null) |
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|
399 |
entries.put(name, e = new Entry(name)); |
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|
400 |
return e; |
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|
401 |
} |
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|
402 |
|
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|
403 |
private String getPackageName(String name) { |
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|
404 |
int lastDot = name.lastIndexOf("."); |
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|
405 |
return (lastDot == -1 ? "" : name.substring(0, lastDot)); |
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|
406 |
} |
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|
407 |
|
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|
408 |
private String getSimpleName(String name) { |
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|
409 |
int lastDot = name.lastIndexOf("."); |
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|
410 |
return (lastDot == -1 ? name : name.substring(lastDot + 1)); |
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|
411 |
} |
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|
412 |
|
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|
413 |
class Entry { |
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|
414 |
final String name; |
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|
415 |
Boolean excluded; |
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|
416 |
List<JavaFileObject> files; |
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|
417 |
|
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|
418 |
Entry(String name) { |
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|
419 |
this.name = name; |
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|
420 |
} |
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|
421 |
|
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|
422 |
boolean isExcluded() { |
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if (excluded == null) |
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excluded = getEntry(getPackageName(name)).isExcluded(); |
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return excluded; |
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} |
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} |
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} |
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|
10 | 430 |
} |