author | jjg |
Wed, 16 Jan 2013 20:41:14 -0800 | |
changeset 15366 | 545307ec740c |
parent 14955 | 8fe779a6d616 |
child 15370 | c1c9a9e11b26 |
permissions | -rw-r--r-- |
14952 | 1 |
/* |
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* Copyright (c) 2012, 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.doclint; |
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import java.io.File; |
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import java.io.IOException; |
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import java.io.PrintWriter; |
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import java.util.ArrayList; |
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import java.util.List; |
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import javax.lang.model.element.Name; |
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import javax.tools.StandardLocation; |
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import com.sun.source.doctree.DocCommentTree; |
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import com.sun.source.tree.ClassTree; |
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import com.sun.source.tree.CompilationUnitTree; |
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import com.sun.source.tree.MethodTree; |
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import com.sun.source.tree.Tree; |
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import com.sun.source.tree.VariableTree; |
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import com.sun.source.util.JavacTask; |
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import com.sun.source.util.Plugin; |
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import com.sun.source.util.TaskEvent; |
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import com.sun.source.util.TaskListener; |
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import com.sun.source.util.TreePath; |
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import com.sun.source.util.TreePathScanner; |
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import com.sun.tools.javac.api.JavacTaskImpl; |
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import com.sun.tools.javac.api.JavacTool; |
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import com.sun.tools.javac.file.JavacFileManager; |
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import com.sun.tools.javac.main.JavaCompiler; |
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import com.sun.tools.javac.util.Context; |
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/** |
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* Multi-function entry point for the doc check utility. |
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* |
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* This class can be invoked in the following ways: |
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* <ul> |
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* <li>From the command line |
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* <li>From javac, as a plugin |
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* <li>Directly, via a simple API |
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* </ul> |
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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 |
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* risk. This code and its internal interfaces are subject to change |
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* or deletion without notice.</b></p> |
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*/ |
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public class DocLint implements Plugin { |
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public static final String XMSGS_OPTION = "-Xmsgs"; |
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public static final String XMSGS_CUSTOM_PREFIX = "-Xmsgs:"; |
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private static final String STATS = "-stats"; |
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// <editor-fold defaultstate="collapsed" desc="Command-line entry point"> |
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public static void main(String... args) { |
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try { |
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new DocLint().run(args); |
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} catch (BadArgs e) { |
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System.err.println(e.getMessage()); |
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System.exit(1); |
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} catch (IOException e) { |
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System.err.println(e); |
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System.exit(2); |
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} |
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} |
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// </editor-fold> |
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// <editor-fold defaultstate="collapsed" desc="Simple API"> |
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public static class BadArgs extends Exception { |
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private static final long serialVersionUID = 0; |
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BadArgs(String code, Object... args) { |
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this.code = code; |
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this.args = args; |
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} |
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final String code; |
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final Object[] args; |
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} |
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/** |
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* Simple API entry point. |
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*/ |
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public void run(String... args) throws BadArgs, IOException { |
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PrintWriter out = new PrintWriter(System.out); |
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try { |
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run(out, args); |
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} finally { |
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out.flush(); |
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} |
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} |
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public void run(PrintWriter out, String... args) throws BadArgs, IOException { |
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env = new Env(); |
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processArgs(args); |
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if (needHelp) |
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showHelp(out); |
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if (javacFiles.isEmpty()) { |
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if (!needHelp) |
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System.out.println("no files given"); |
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} |
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JavacTool tool = JavacTool.create(); |
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JavacFileManager fm = new JavacFileManager(new Context(), false, null); |
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fm.setSymbolFileEnabled(false); |
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fm.setLocation(StandardLocation.PLATFORM_CLASS_PATH, javacBootClassPath); |
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fm.setLocation(StandardLocation.CLASS_PATH, javacClassPath); |
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fm.setLocation(StandardLocation.SOURCE_PATH, javacSourcePath); |
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JavacTask task = tool.getTask(out, fm, null, javacOpts, null, |
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fm.getJavaFileObjectsFromFiles(javacFiles)); |
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Iterable<? extends CompilationUnitTree> units = task.parse(); |
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((JavacTaskImpl) task).enter(); |
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env.init(task); |
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checker = new Checker(env); |
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DeclScanner ds = new DeclScanner() { |
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@Override |
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void visitDecl(Tree tree, Name name) { |
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TreePath p = getCurrentPath(); |
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DocCommentTree dc = env.trees.getDocCommentTree(p); |
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checker.scan(dc, p); |
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} |
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}; |
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ds.scan(units, null); |
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reportStats(out); |
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Context ctx = ((JavacTaskImpl) task).getContext(); |
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JavaCompiler c = JavaCompiler.instance(ctx); |
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c.printCount("error", c.errorCount()); |
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c.printCount("warn", c.warningCount()); |
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} |
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void processArgs(String... args) throws BadArgs { |
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javacOpts = new ArrayList<String>(); |
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javacFiles = new ArrayList<File>(); |
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if (args.length == 0) |
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needHelp = true; |
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for (int i = 0; i < args.length; i++) { |
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String arg = args[i]; |
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if (arg.matches("-Xmax(errs|warns)") && i + 1 < args.length) { |
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if (args[++i].matches("[0-9]+")) { |
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javacOpts.add(arg); |
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javacOpts.add(args[i]); |
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} else { |
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throw new BadArgs("dc.bad.value.for.option", arg, args[i]); |
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} |
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} else if (arg.equals(STATS)) { |
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env.messages.setStatsEnabled(true); |
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} else if (arg.matches("-bootclasspath") && i + 1 < args.length) { |
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javacBootClassPath = splitPath(args[++i]); |
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} else if (arg.matches("-classpath") && i + 1 < args.length) { |
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javacClassPath = splitPath(args[++i]); |
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} else if (arg.matches("-sourcepath") && i + 1 < args.length) { |
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javacSourcePath = splitPath(args[++i]); |
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} else if (arg.equals(XMSGS_OPTION)) { |
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env.messages.setOptions(null); |
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} else if (arg.startsWith(XMSGS_CUSTOM_PREFIX)) { |
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env.messages.setOptions(arg.substring(arg.indexOf(":") + 1)); |
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} else if (arg.equals("-h") || arg.equals("-help") || arg.equals("--help") |
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|| arg.equals("-?") || arg.equals("-usage")) { |
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needHelp = true; |
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} else if (arg.startsWith("-")) { |
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throw new BadArgs("dc.bad.option", arg); |
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} else { |
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while (i < args.length) |
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javacFiles.add(new File(args[i++])); |
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} |
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} |
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} |
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void showHelp(PrintWriter out) { |
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out.println("Usage:"); |
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out.println(" doclint [options] source-files..."); |
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out.println(""); |
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out.println("Options:"); |
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out.println(" -Xmsgs "); |
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out.println(" Same as -Xmsgs:all"); |
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out.println(" -Xmsgs:values"); |
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out.println(" Specify categories of issues to be checked, where 'values'"); |
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out.println(" is a comma-separated list of any of the following:"); |
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out.println(" reference show places where comments contain incorrect"); |
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out.println(" references to Java source code elements"); |
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out.println(" syntax show basic syntax errors within comments"); |
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out.println(" html show issues with HTML tags and attributes"); |
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out.println(" accessibility show issues for accessibility"); |
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out.println(" missing show issues with missing documentation"); |
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out.println(" all all of the above"); |
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out.println(" Precede a value with '-' to negate it"); |
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out.println(" Categories may be qualified by one of:"); |
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out.println(" /public /protected /package /private"); |
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out.println(" For positive categories (not beginning with '-')"); |
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out.println(" the qualifier applies to that access level and above."); |
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out.println(" For negative categories (beginning with '-')"); |
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out.println(" the qualifier applies to that access level and below."); |
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out.println(" If a qualifier is missing, the category applies to"); |
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out.println(" all access levels."); |
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out.println(" For example, -Xmsgs:all,-syntax/private"); |
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out.println(" This will enable all messages, except syntax errors"); |
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out.println(" in the doc comments of private methods."); |
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out.println(" If no -Xmsgs options are provided, the default is"); |
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out.println(" equivalent to -Xmsgs:all/protected, meaning that"); |
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out.println(" all messages are reported for protected and public"); |
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out.println(" declarations only. "); |
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out.println(" -h -help --help -usage -?"); |
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out.println(" Show this message."); |
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out.println(""); |
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out.println("The following javac options are also supported"); |
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out.println(" -bootclasspath, -classpath, -sourcepath, -Xmaxerrs, -Xmaxwarns"); |
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out.println(""); |
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out.println("To run doclint on part of a project, put the compiled classes for your"); |
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out.println("project on the classpath (or bootclasspath), then specify the source files"); |
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out.println("to be checked on the command line."); |
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} |
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List<File> splitPath(String path) { |
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List<File> files = new ArrayList<File>(); |
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for (String f: path.split(File.separator)) { |
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if (f.length() > 0) |
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files.add(new File(f)); |
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} |
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return files; |
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} |
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List<File> javacBootClassPath; |
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List<File> javacClassPath; |
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List<File> javacSourcePath; |
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List<String> javacOpts; |
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List<File> javacFiles; |
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boolean needHelp = false; |
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// </editor-fold> |
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// <editor-fold defaultstate="collapsed" desc="javac Plugin"> |
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@Override |
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public String getName() { |
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return "doclint"; |
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} |
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@Override |
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14955
8fe779a6d616
8005137: Rename DocLint.call to DocLint.init which overrides Plugin.init
mchung
parents:
14952
diff
changeset
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public void init(JavacTask task, String... args) { |
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init(task, args, true); |
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} |
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// </editor-fold> |
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// <editor-fold defaultstate="collapsed" desc="Embedding API"> |
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public void init(JavacTask task, String[] args, boolean addTaskListener) { |
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env = new Env(); |
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for (int i = 0; i < args.length; i++) { |
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String arg = args[i]; |
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if (arg.equals(XMSGS_OPTION)) { |
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env.messages.setOptions(null); |
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} else if (arg.startsWith(XMSGS_CUSTOM_PREFIX)) { |
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env.messages.setOptions(arg.substring(arg.indexOf(":") + 1)); |
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} else |
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throw new IllegalArgumentException(arg); |
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} |
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env.init(task); |
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checker = new Checker(env); |
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if (addTaskListener) { |
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final DeclScanner ds = new DeclScanner() { |
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@Override |
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void visitDecl(Tree tree, Name name) { |
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TreePath p = getCurrentPath(); |
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DocCommentTree dc = env.trees.getDocCommentTree(p); |
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checker.scan(dc, p); |
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} |
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}; |
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TaskListener tl = new TaskListener() { |
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@Override |
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public void started(TaskEvent e) { |
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return; |
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} |
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@Override |
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public void finished(TaskEvent e) { |
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switch (e.getKind()) { |
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case ENTER: |
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ds.scan(e.getCompilationUnit(), null); |
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} |
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} |
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}; |
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task.addTaskListener(tl); |
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} |
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} |
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public void scan(TreePath p) { |
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DocCommentTree dc = env.trees.getDocCommentTree(p); |
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checker.scan(dc, p); |
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} |
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public void reportStats(PrintWriter out) { |
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env.messages.reportStats(out); |
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} |
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// </editor-fold> |
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Env env; |
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Checker checker; |
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public static boolean isValidOption(String opt) { |
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if (opt.equals(XMSGS_OPTION)) |
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return true; |
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if (opt.startsWith(XMSGS_CUSTOM_PREFIX)) |
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return Messages.Options.isValidOptions(opt.substring(XMSGS_CUSTOM_PREFIX.length())); |
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return false; |
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} |
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// <editor-fold defaultstate="collapsed" desc="DeclScanner"> |
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static abstract class DeclScanner extends TreePathScanner<Void, Void> { |
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abstract void visitDecl(Tree tree, Name name); |
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@Override |
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public Void visitClass(ClassTree tree, Void ignore) { |
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visitDecl(tree, tree.getSimpleName()); |
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return super.visitClass(tree, ignore); |
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} |
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@Override |
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public Void visitMethod(MethodTree tree, Void ignore) { |
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visitDecl(tree, tree.getName()); |
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//return super.visitMethod(tree, ignore); |
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return null; |
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} |
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@Override |
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public Void visitVariable(VariableTree tree, Void ignore) { |
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visitDecl(tree, tree.getName()); |
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return super.visitVariable(tree, ignore); |
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} |
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} |
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// </editor-fold> |
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} |