| /* |
| * Copyright (c) 2012, 2013, Oracle and/or its affiliates. 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. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package com.sun.tools.doclint; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.io.PrintWriter; |
| import java.util.ArrayList; |
| import java.util.HashSet; |
| import java.util.LinkedList; |
| import java.util.List; |
| import java.util.Queue; |
| import java.util.Set; |
| |
| import javax.lang.model.element.Name; |
| import javax.tools.JavaFileObject; |
| import javax.tools.StandardLocation; |
| |
| import com.sun.source.doctree.DocCommentTree; |
| import com.sun.source.tree.ClassTree; |
| import com.sun.source.tree.CompilationUnitTree; |
| import com.sun.source.tree.MethodTree; |
| import com.sun.source.tree.Tree; |
| import com.sun.source.tree.VariableTree; |
| import com.sun.source.util.JavacTask; |
| import com.sun.source.util.Plugin; |
| import com.sun.source.util.TaskEvent; |
| import com.sun.source.util.TaskListener; |
| import com.sun.source.util.TreePath; |
| import com.sun.source.util.TreePathScanner; |
| import com.sun.tools.javac.api.JavacTaskImpl; |
| import com.sun.tools.javac.api.JavacTool; |
| import com.sun.tools.javac.file.JavacFileManager; |
| import com.sun.tools.javac.main.JavaCompiler; |
| import com.sun.tools.javac.util.Context; |
| |
| /** |
| * Multi-function entry point for the doc check utility. |
| * |
| * This class can be invoked in the following ways: |
| * <ul> |
| * <li>From the command line |
| * <li>From javac, as a plugin |
| * <li>Directly, via a simple API |
| * </ul> |
| * |
| * <p><b>This is NOT part of any supported API. |
| * If you write code that depends on this, you do so at your own |
| * risk. This code and its internal interfaces are subject to change |
| * or deletion without notice.</b></p> |
| */ |
| public class DocLint implements Plugin { |
| |
| public static final String XMSGS_OPTION = "-Xmsgs"; |
| public static final String XMSGS_CUSTOM_PREFIX = "-Xmsgs:"; |
| private static final String STATS = "-stats"; |
| public static final String XIMPLICIT_HEADERS = "-XimplicitHeaders:"; |
| public static final String XCUSTOM_TAGS_PREFIX = "-XcustomTags:"; |
| public static final String TAGS_SEPARATOR = ","; |
| |
| // <editor-fold defaultstate="collapsed" desc="Command-line entry point"> |
| public static void main(String... args) { |
| DocLint dl = new DocLint(); |
| try { |
| dl.run(args); |
| } catch (BadArgs e) { |
| System.err.println(e.getMessage()); |
| System.exit(1); |
| } catch (IOException e) { |
| System.err.println(dl.localize("dc.main.ioerror", e.getLocalizedMessage())); |
| System.exit(2); |
| } |
| } |
| |
| // </editor-fold> |
| |
| // <editor-fold defaultstate="collapsed" desc="Simple API"> |
| |
| public class BadArgs extends Exception { |
| private static final long serialVersionUID = 0; |
| BadArgs(String code, Object... args) { |
| super(localize(code, args)); |
| this.code = code; |
| this.args = args; |
| } |
| |
| final String code; |
| final Object[] args; |
| } |
| |
| /** |
| * Simple API entry point. |
| */ |
| public void run(String... args) throws BadArgs, IOException { |
| PrintWriter out = new PrintWriter(System.out); |
| try { |
| run(out, args); |
| } finally { |
| out.flush(); |
| } |
| } |
| |
| public void run(PrintWriter out, String... args) throws BadArgs, IOException { |
| env = new Env(); |
| processArgs(args); |
| |
| if (needHelp) |
| showHelp(out); |
| |
| if (javacFiles.isEmpty()) { |
| if (!needHelp) |
| out.println(localize("dc.main.no.files.given")); |
| } |
| |
| JavacTool tool = JavacTool.create(); |
| |
| JavacFileManager fm = new JavacFileManager(new Context(), false, null); |
| fm.setSymbolFileEnabled(false); |
| fm.setLocation(StandardLocation.PLATFORM_CLASS_PATH, javacBootClassPath); |
| fm.setLocation(StandardLocation.CLASS_PATH, javacClassPath); |
| fm.setLocation(StandardLocation.SOURCE_PATH, javacSourcePath); |
| |
| JavacTask task = tool.getTask(out, fm, null, javacOpts, null, |
| fm.getJavaFileObjectsFromFiles(javacFiles)); |
| Iterable<? extends CompilationUnitTree> units = task.parse(); |
| ((JavacTaskImpl) task).enter(); |
| |
| env.init(task); |
| checker = new Checker(env); |
| |
| DeclScanner ds = new DeclScanner() { |
| @Override |
| void visitDecl(Tree tree, Name name) { |
| TreePath p = getCurrentPath(); |
| DocCommentTree dc = env.trees.getDocCommentTree(p); |
| |
| checker.scan(dc, p); |
| } |
| }; |
| |
| ds.scan(units, null); |
| |
| reportStats(out); |
| |
| Context ctx = ((JavacTaskImpl) task).getContext(); |
| JavaCompiler c = JavaCompiler.instance(ctx); |
| c.printCount("error", c.errorCount()); |
| c.printCount("warn", c.warningCount()); |
| } |
| |
| void processArgs(String... args) throws BadArgs { |
| javacOpts = new ArrayList<>(); |
| javacFiles = new ArrayList<>(); |
| |
| if (args.length == 0) |
| needHelp = true; |
| |
| for (int i = 0; i < args.length; i++) { |
| String arg = args[i]; |
| if (arg.matches("-Xmax(errs|warns)") && i + 1 < args.length) { |
| if (args[++i].matches("[0-9]+")) { |
| javacOpts.add(arg); |
| javacOpts.add(args[i]); |
| } else { |
| throw new BadArgs("dc.bad.value.for.option", arg, args[i]); |
| } |
| } else if (arg.equals(STATS)) { |
| env.messages.setStatsEnabled(true); |
| } else if (arg.equals("-bootclasspath") && i + 1 < args.length) { |
| javacBootClassPath = splitPath(args[++i]); |
| } else if (arg.equals("-classpath") && i + 1 < args.length) { |
| javacClassPath = splitPath(args[++i]); |
| } else if (arg.equals("-cp") && i + 1 < args.length) { |
| javacClassPath = splitPath(args[++i]); |
| } else if (arg.equals("-sourcepath") && i + 1 < args.length) { |
| javacSourcePath = splitPath(args[++i]); |
| } else if (arg.equals(XMSGS_OPTION)) { |
| env.messages.setOptions(null); |
| } else if (arg.startsWith(XMSGS_CUSTOM_PREFIX)) { |
| env.messages.setOptions(arg.substring(arg.indexOf(":") + 1)); |
| } else if (arg.startsWith(XCUSTOM_TAGS_PREFIX)) { |
| env.setCustomTags(arg.substring(arg.indexOf(":") + 1)); |
| } else if (arg.equals("-h") || arg.equals("-help") || arg.equals("--help") |
| || arg.equals("-?") || arg.equals("-usage")) { |
| needHelp = true; |
| } else if (arg.startsWith("-")) { |
| throw new BadArgs("dc.bad.option", arg); |
| } else { |
| while (i < args.length) |
| javacFiles.add(new File(args[i++])); |
| } |
| } |
| } |
| |
| void showHelp(PrintWriter out) { |
| String msg = localize("dc.main.usage"); |
| for (String line: msg.split("\n")) |
| out.println(line); |
| } |
| |
| List<File> splitPath(String path) { |
| List<File> files = new ArrayList<>(); |
| for (String f: path.split(File.pathSeparator)) { |
| if (f.length() > 0) |
| files.add(new File(f)); |
| } |
| return files; |
| } |
| |
| List<File> javacBootClassPath; |
| List<File> javacClassPath; |
| List<File> javacSourcePath; |
| List<String> javacOpts; |
| List<File> javacFiles; |
| boolean needHelp = false; |
| |
| // </editor-fold> |
| |
| // <editor-fold defaultstate="collapsed" desc="javac Plugin"> |
| |
| @Override |
| public String getName() { |
| return "doclint"; |
| } |
| |
| @Override |
| public void init(JavacTask task, String... args) { |
| init(task, args, true); |
| } |
| |
| // </editor-fold> |
| |
| // <editor-fold defaultstate="collapsed" desc="Embedding API"> |
| |
| public void init(JavacTask task, String[] args, boolean addTaskListener) { |
| env = new Env(); |
| for (String arg : args) { |
| if (arg.equals(XMSGS_OPTION)) { |
| env.messages.setOptions(null); |
| } else if (arg.startsWith(XMSGS_CUSTOM_PREFIX)) { |
| env.messages.setOptions(arg.substring(arg.indexOf(":") + 1)); |
| } else if (arg.matches(XIMPLICIT_HEADERS + "[1-6]")) { |
| char ch = arg.charAt(arg.length() - 1); |
| env.setImplicitHeaders(Character.digit(ch, 10)); |
| } else if (arg.startsWith(XCUSTOM_TAGS_PREFIX)) { |
| env.setCustomTags(arg.substring(arg.indexOf(":") + 1)); |
| } else |
| throw new IllegalArgumentException(arg); |
| } |
| env.init(task); |
| |
| checker = new Checker(env); |
| |
| if (addTaskListener) { |
| final DeclScanner ds = new DeclScanner() { |
| @Override |
| void visitDecl(Tree tree, Name name) { |
| TreePath p = getCurrentPath(); |
| DocCommentTree dc = env.trees.getDocCommentTree(p); |
| |
| checker.scan(dc, p); |
| } |
| }; |
| |
| TaskListener tl = new TaskListener() { |
| @Override |
| public void started(TaskEvent e) { |
| switch (e.getKind()) { |
| case ANALYZE: |
| CompilationUnitTree tree; |
| while ((tree = todo.poll()) != null) |
| ds.scan(tree, null); |
| break; |
| } |
| } |
| |
| @Override |
| public void finished(TaskEvent e) { |
| switch (e.getKind()) { |
| case PARSE: |
| todo.add(e.getCompilationUnit()); |
| break; |
| } |
| } |
| |
| Queue<CompilationUnitTree> todo = new LinkedList<>(); |
| }; |
| |
| task.addTaskListener(tl); |
| } |
| } |
| |
| public void scan(TreePath p) { |
| DocCommentTree dc = env.trees.getDocCommentTree(p); |
| checker.scan(dc, p); |
| } |
| |
| public void reportStats(PrintWriter out) { |
| env.messages.reportStats(out); |
| } |
| |
| // </editor-fold> |
| |
| Env env; |
| Checker checker; |
| |
| public static boolean isValidOption(String opt) { |
| if (opt.equals(XMSGS_OPTION)) |
| return true; |
| if (opt.startsWith(XMSGS_CUSTOM_PREFIX)) |
| return Messages.Options.isValidOptions(opt.substring(XMSGS_CUSTOM_PREFIX.length())); |
| return false; |
| } |
| |
| private String localize(String code, Object... args) { |
| Messages m = (env != null) ? env.messages : new Messages(null); |
| return m.localize(code, args); |
| } |
| |
| // <editor-fold defaultstate="collapsed" desc="DeclScanner"> |
| |
| static abstract class DeclScanner extends TreePathScanner<Void, Void> { |
| abstract void visitDecl(Tree tree, Name name); |
| |
| @Override |
| public Void visitCompilationUnit(CompilationUnitTree tree, Void ignore) { |
| if (tree.getPackageName() != null) { |
| visitDecl(tree, null); |
| } |
| return super.visitCompilationUnit(tree, ignore); |
| } |
| |
| @Override |
| public Void visitClass(ClassTree tree, Void ignore) { |
| visitDecl(tree, tree.getSimpleName()); |
| return super.visitClass(tree, ignore); |
| } |
| |
| @Override |
| public Void visitMethod(MethodTree tree, Void ignore) { |
| visitDecl(tree, tree.getName()); |
| //return super.visitMethod(tree, ignore); |
| return null; |
| } |
| |
| @Override |
| public Void visitVariable(VariableTree tree, Void ignore) { |
| visitDecl(tree, tree.getName()); |
| return super.visitVariable(tree, ignore); |
| } |
| } |
| |
| // </editor-fold> |
| |
| } |