aoqi@0: /*
aoqi@0:  * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.  Oracle designates this
aoqi@0:  * particular file as subject to the "Classpath" exception as provided
aoqi@0:  * by Oracle in the LICENSE file that accompanied this code.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  */
aoqi@0: 
aoqi@0: package com.sun.tools.javah;
aoqi@0: 
aoqi@0: import java.io.File;
aoqi@0: import java.io.FileNotFoundException;
aoqi@0: import java.io.IOException;
aoqi@0: import java.io.OutputStream;
aoqi@0: import java.io.PrintWriter;
aoqi@0: import java.io.Writer;
aoqi@0: import java.text.MessageFormat;
aoqi@0: import java.util.ArrayList;
aoqi@0: import java.util.Arrays;
aoqi@0: import java.util.Collections;
aoqi@0: import java.util.HashMap;
aoqi@0: import java.util.Iterator;
aoqi@0: import java.util.LinkedHashSet;
aoqi@0: import java.util.List;
aoqi@0: import java.util.Locale;
aoqi@0: import java.util.Map;
aoqi@0: import java.util.MissingResourceException;
aoqi@0: import java.util.ResourceBundle;
aoqi@0: import java.util.Set;
aoqi@0: 
aoqi@0: import javax.annotation.processing.AbstractProcessor;
aoqi@0: import javax.annotation.processing.Messager;
aoqi@0: import javax.annotation.processing.ProcessingEnvironment;
aoqi@0: import javax.annotation.processing.RoundEnvironment;
aoqi@0: import javax.annotation.processing.SupportedAnnotationTypes;
aoqi@0: 
aoqi@0: import javax.lang.model.SourceVersion;
aoqi@0: import javax.lang.model.element.ExecutableElement;
aoqi@0: import javax.lang.model.element.TypeElement;
aoqi@0: import javax.lang.model.element.VariableElement;
aoqi@0: import javax.lang.model.type.ArrayType;
aoqi@0: import javax.lang.model.type.DeclaredType;
aoqi@0: import javax.lang.model.type.TypeMirror;
aoqi@0: import javax.lang.model.type.TypeVisitor;
aoqi@0: import javax.lang.model.util.ElementFilter;
aoqi@0: import javax.lang.model.util.SimpleTypeVisitor8;
aoqi@0: import javax.lang.model.util.Types;
aoqi@0: 
aoqi@0: import javax.tools.Diagnostic;
aoqi@0: import javax.tools.DiagnosticListener;
aoqi@0: import javax.tools.JavaCompiler;
aoqi@0: import javax.tools.JavaCompiler.CompilationTask;
aoqi@0: import javax.tools.JavaFileManager;
aoqi@0: import javax.tools.JavaFileObject;
aoqi@0: import javax.tools.StandardJavaFileManager;
aoqi@0: import javax.tools.StandardLocation;
aoqi@0: import javax.tools.ToolProvider;
aoqi@0: import static javax.tools.Diagnostic.Kind.*;
aoqi@0: 
aoqi@0: import com.sun.tools.javac.code.Symbol.CompletionFailure;
aoqi@0: import com.sun.tools.javac.main.CommandLine;
aoqi@0: 
aoqi@0: /**
aoqi@0:  * Javah generates support files for native methods.
aoqi@0:  * Parse commandline options and invokes javadoc to execute those commands.
aoqi@0:  *
aoqi@0:  * <p><b>This is NOT part of any supported API.
aoqi@0:  * If you write code that depends on this, you do so at your own
aoqi@0:  * risk.  This code and its internal interfaces are subject to change
aoqi@0:  * or deletion without notice.</b></p>
aoqi@0:  *
aoqi@0:  * @author Sucheta Dambalkar
aoqi@0:  * @author Jonathan Gibbons
aoqi@0:  */
aoqi@0: public class JavahTask implements NativeHeaderTool.NativeHeaderTask {
aoqi@0:     public class BadArgs extends Exception {
aoqi@0:         private static final long serialVersionUID = 1479361270874789045L;
aoqi@0:         BadArgs(String key, Object... args) {
aoqi@0:             super(JavahTask.this.getMessage(key, args));
aoqi@0:             this.key = key;
aoqi@0:             this.args = args;
aoqi@0:         }
aoqi@0: 
aoqi@0:         BadArgs showUsage(boolean b) {
aoqi@0:             showUsage = b;
aoqi@0:             return this;
aoqi@0:         }
aoqi@0: 
aoqi@0:         final String key;
aoqi@0:         final Object[] args;
aoqi@0:         boolean showUsage;
aoqi@0:     }
aoqi@0: 
aoqi@0:     static abstract class Option {
aoqi@0:         Option(boolean hasArg, String... aliases) {
aoqi@0:             this.hasArg = hasArg;
aoqi@0:             this.aliases = aliases;
aoqi@0:         }
aoqi@0: 
aoqi@0:         boolean isHidden() {
aoqi@0:             return false;
aoqi@0:         }
aoqi@0: 
aoqi@0:         boolean matches(String opt) {
aoqi@0:             for (String a: aliases) {
aoqi@0:                 if (a.equals(opt))
aoqi@0:                     return true;
aoqi@0:             }
aoqi@0:             return false;
aoqi@0:         }
aoqi@0: 
aoqi@0:         boolean ignoreRest() {
aoqi@0:             return false;
aoqi@0:         }
aoqi@0: 
aoqi@0:         abstract void process(JavahTask task, String opt, String arg) throws BadArgs;
aoqi@0: 
aoqi@0:         final boolean hasArg;
aoqi@0:         final String[] aliases;
aoqi@0:     }
aoqi@0: 
aoqi@0:     static abstract class HiddenOption extends Option {
aoqi@0:         HiddenOption(boolean hasArg, String... aliases) {
aoqi@0:             super(hasArg, aliases);
aoqi@0:         }
aoqi@0: 
aoqi@0:         @Override
aoqi@0:         boolean isHidden() {
aoqi@0:             return true;
aoqi@0:         }
aoqi@0:     }
aoqi@0: 
aoqi@0:     static final Option[] recognizedOptions = {
aoqi@0:         new Option(true, "-o") {
aoqi@0:             void process(JavahTask task, String opt, String arg) {
aoqi@0:                 task.ofile = new File(arg);
aoqi@0:             }
aoqi@0:         },
aoqi@0: 
aoqi@0:         new Option(true, "-d") {
aoqi@0:             void process(JavahTask task, String opt, String arg) {
aoqi@0:                 task.odir = new File(arg);
aoqi@0:             }
aoqi@0:         },
aoqi@0: 
aoqi@0:         new HiddenOption(true, "-td") {
aoqi@0:             void process(JavahTask task, String opt, String arg) {
aoqi@0:                  // ignored; for backwards compatibility
aoqi@0:             }
aoqi@0:         },
aoqi@0: 
aoqi@0:         new HiddenOption(false, "-stubs") {
aoqi@0:             void process(JavahTask task, String opt, String arg) {
aoqi@0:                  // ignored; for backwards compatibility
aoqi@0:             }
aoqi@0:         },
aoqi@0: 
aoqi@0:         new Option(false, "-v", "-verbose") {
aoqi@0:             void process(JavahTask task, String opt, String arg) {
aoqi@0:                 task.verbose = true;
aoqi@0:             }
aoqi@0:         },
aoqi@0: 
aoqi@0:         new Option(false, "-h", "-help", "--help", "-?") {
aoqi@0:             void process(JavahTask task, String opt, String arg) {
aoqi@0:                 task.help = true;
aoqi@0:             }
aoqi@0:         },
aoqi@0: 
aoqi@0:         new HiddenOption(false, "-trace") {
aoqi@0:             void process(JavahTask task, String opt, String arg) {
aoqi@0:                 task.trace = true;
aoqi@0:             }
aoqi@0:         },
aoqi@0: 
aoqi@0:         new Option(false, "-version") {
aoqi@0:             void process(JavahTask task, String opt, String arg) {
aoqi@0:                 task.version = true;
aoqi@0:             }
aoqi@0:         },
aoqi@0: 
aoqi@0:         new HiddenOption(false, "-fullversion") {
aoqi@0:             void process(JavahTask task, String opt, String arg) {
aoqi@0:                 task.fullVersion = true;
aoqi@0:             }
aoqi@0:         },
aoqi@0: 
aoqi@0:         new Option(false, "-jni") {
aoqi@0:             void process(JavahTask task, String opt, String arg) {
aoqi@0:                 task.jni = true;
aoqi@0:             }
aoqi@0:         },
aoqi@0: 
aoqi@0:         new Option(false, "-force") {
aoqi@0:             void process(JavahTask task, String opt, String arg) {
aoqi@0:                 task.force = true;
aoqi@0:             }
aoqi@0:         },
aoqi@0: 
aoqi@0:         new HiddenOption(false, "-Xnew") {
aoqi@0:             void process(JavahTask task, String opt, String arg) {
aoqi@0:                 // we're already using the new javah
aoqi@0:             }
aoqi@0:         },
aoqi@0: 
aoqi@0:         new HiddenOption(false, "-llni", "-Xllni") {
aoqi@0:             void process(JavahTask task, String opt, String arg) {
aoqi@0:                 task.llni = true;
aoqi@0:             }
aoqi@0:         },
aoqi@0: 
aoqi@0:         new HiddenOption(false, "-llnidouble") {
aoqi@0:             void process(JavahTask task, String opt, String arg) {
aoqi@0:                 task.llni = true;
aoqi@0:                 task.doubleAlign = true;
aoqi@0:             }
aoqi@0:         },
aoqi@0: 
aoqi@0:         new HiddenOption(false) {
aoqi@0:             boolean matches(String opt) {
aoqi@0:                 return opt.startsWith("-XD");
aoqi@0:             }
aoqi@0:             void process(JavahTask task, String opt, String arg) {
aoqi@0:                 task.javac_extras.add(opt);
aoqi@0:             }
aoqi@0:         },
aoqi@0:     };
aoqi@0: 
aoqi@0:     JavahTask() {
aoqi@0:     }
aoqi@0: 
aoqi@0:     JavahTask(Writer out,
aoqi@0:             JavaFileManager fileManager,
aoqi@0:             DiagnosticListener<? super JavaFileObject> diagnosticListener,
aoqi@0:             Iterable<String> options,
aoqi@0:             Iterable<String> classes) {
aoqi@0:         this();
aoqi@0:         this.log = getPrintWriterForWriter(out);
aoqi@0:         this.fileManager = fileManager;
aoqi@0:         this.diagnosticListener = diagnosticListener;
aoqi@0: 
aoqi@0:         try {
aoqi@0:             handleOptions(options, false);
aoqi@0:         } catch (BadArgs e) {
aoqi@0:             throw new IllegalArgumentException(e.getMessage());
aoqi@0:         }
aoqi@0: 
aoqi@0:         this.classes = new ArrayList<String>();
aoqi@0:         if (classes != null) {
aoqi@0:             for (String classname: classes) {
aoqi@0:                 classname.getClass(); // null-check
aoqi@0:                 this.classes.add(classname);
aoqi@0:             }
aoqi@0:         }
aoqi@0:     }
aoqi@0: 
aoqi@0:     public void setLocale(Locale locale) {
aoqi@0:         if (locale == null)
aoqi@0:             locale = Locale.getDefault();
aoqi@0:         task_locale = locale;
aoqi@0:     }
aoqi@0: 
aoqi@0:     public void setLog(PrintWriter log) {
aoqi@0:         this.log = log;
aoqi@0:     }
aoqi@0: 
aoqi@0:     public void setLog(OutputStream s) {
aoqi@0:         setLog(getPrintWriterForStream(s));
aoqi@0:     }
aoqi@0: 
aoqi@0:     static PrintWriter getPrintWriterForStream(OutputStream s) {
aoqi@0:         return new PrintWriter(s, true);
aoqi@0:     }
aoqi@0: 
aoqi@0:     static PrintWriter getPrintWriterForWriter(Writer w) {
aoqi@0:         if (w == null)
aoqi@0:             return getPrintWriterForStream(null);
aoqi@0:         else if (w instanceof PrintWriter)
aoqi@0:             return (PrintWriter) w;
aoqi@0:         else
aoqi@0:             return new PrintWriter(w, true);
aoqi@0:     }
aoqi@0: 
aoqi@0:     public void setDiagnosticListener(DiagnosticListener<? super JavaFileObject> dl) {
aoqi@0:         diagnosticListener = dl;
aoqi@0:     }
aoqi@0: 
aoqi@0:     public void setDiagnosticListener(OutputStream s) {
aoqi@0:         setDiagnosticListener(getDiagnosticListenerForStream(s));
aoqi@0:     }
aoqi@0: 
aoqi@0:     private DiagnosticListener<JavaFileObject> getDiagnosticListenerForStream(OutputStream s) {
aoqi@0:         return getDiagnosticListenerForWriter(getPrintWriterForStream(s));
aoqi@0:     }
aoqi@0: 
aoqi@0:     private DiagnosticListener<JavaFileObject> getDiagnosticListenerForWriter(Writer w) {
aoqi@0:         final PrintWriter pw = getPrintWriterForWriter(w);
aoqi@0:         return new DiagnosticListener<JavaFileObject> () {
aoqi@0:             public void report(Diagnostic<? extends JavaFileObject> diagnostic) {
aoqi@0:                 if (diagnostic.getKind() == Diagnostic.Kind.ERROR) {
aoqi@0:                     pw.print(getMessage("err.prefix"));
aoqi@0:                     pw.print(" ");
aoqi@0:                 }
aoqi@0:                 pw.println(diagnostic.getMessage(null));
aoqi@0:             }
aoqi@0:         };
aoqi@0:     }
aoqi@0: 
aoqi@0:     int run(String[] args) {
aoqi@0:         try {
aoqi@0:             handleOptions(args);
aoqi@0:             boolean ok = run();
aoqi@0:             return ok ? 0 : 1;
aoqi@0:         } catch (BadArgs e) {
aoqi@0:             diagnosticListener.report(createDiagnostic(e.key, e.args));
aoqi@0:             return 1;
aoqi@0:         } catch (InternalError e) {
aoqi@0:             diagnosticListener.report(createDiagnostic("err.internal.error", e.getMessage()));
aoqi@0:             return 1;
aoqi@0:         } catch (Util.Exit e) {
aoqi@0:             return e.exitValue;
aoqi@0:         } finally {
aoqi@0:             log.flush();
aoqi@0:         }
aoqi@0:     }
aoqi@0: 
aoqi@0:     public void handleOptions(String[] args) throws BadArgs {
aoqi@0:         handleOptions(Arrays.asList(args), true);
aoqi@0:     }
aoqi@0: 
aoqi@0:     private void handleOptions(Iterable<String> args, boolean allowClasses) throws BadArgs {
aoqi@0:         if (log == null) {
aoqi@0:             log = getPrintWriterForStream(System.out);
aoqi@0:             if (diagnosticListener == null)
aoqi@0:               diagnosticListener = getDiagnosticListenerForStream(System.err);
aoqi@0:         } else {
aoqi@0:             if (diagnosticListener == null)
aoqi@0:               diagnosticListener = getDiagnosticListenerForWriter(log);
aoqi@0:         }
aoqi@0: 
aoqi@0:         if (fileManager == null)
aoqi@0:             fileManager = getDefaultFileManager(diagnosticListener, log);
aoqi@0: 
aoqi@0:         Iterator<String> iter = expandAtArgs(args).iterator();
aoqi@0:         noArgs = !iter.hasNext();
aoqi@0: 
aoqi@0:         while (iter.hasNext()) {
aoqi@0:             String arg = iter.next();
aoqi@0:             if (arg.startsWith("-"))
aoqi@0:                 handleOption(arg, iter);
aoqi@0:             else if (allowClasses) {
aoqi@0:                 if (classes == null)
aoqi@0:                     classes = new ArrayList<String>();
aoqi@0:                 classes.add(arg);
aoqi@0:                 while (iter.hasNext())
aoqi@0:                     classes.add(iter.next());
aoqi@0:             } else
aoqi@0:                 throw new BadArgs("err.unknown.option", arg).showUsage(true);
aoqi@0:         }
aoqi@0: 
aoqi@0:         if ((classes == null || classes.size() == 0) &&
aoqi@0:                 !(noArgs || help || version || fullVersion)) {
aoqi@0:             throw new BadArgs("err.no.classes.specified");
aoqi@0:         }
aoqi@0: 
aoqi@0:         if (jni && llni)
aoqi@0:             throw new BadArgs("jni.llni.mixed");
aoqi@0: 
aoqi@0:         if (odir != null && ofile != null)
aoqi@0:             throw new BadArgs("dir.file.mixed");
aoqi@0:     }
aoqi@0: 
aoqi@0:     private void handleOption(String name, Iterator<String> rest) throws BadArgs {
aoqi@0:         for (Option o: recognizedOptions) {
aoqi@0:             if (o.matches(name)) {
aoqi@0:                 if (o.hasArg) {
aoqi@0:                     if (rest.hasNext())
aoqi@0:                         o.process(this, name, rest.next());
aoqi@0:                     else
aoqi@0:                         throw new BadArgs("err.missing.arg", name).showUsage(true);
aoqi@0:                 } else
aoqi@0:                     o.process(this, name, null);
aoqi@0: 
aoqi@0:                 if (o.ignoreRest()) {
aoqi@0:                     while (rest.hasNext())
aoqi@0:                         rest.next();
aoqi@0:                 }
aoqi@0:                 return;
aoqi@0:             }
aoqi@0:         }
aoqi@0: 
aoqi@0:         if (fileManager.handleOption(name, rest))
aoqi@0:             return;
aoqi@0: 
aoqi@0:         throw new BadArgs("err.unknown.option", name).showUsage(true);
aoqi@0:     }
aoqi@0: 
aoqi@0:     private Iterable<String> expandAtArgs(Iterable<String> args) throws BadArgs {
aoqi@0:         try {
aoqi@0:             List<String> l = new ArrayList<String>();
aoqi@0:             for (String arg: args) l.add(arg);
aoqi@0:             return Arrays.asList(CommandLine.parse(l.toArray(new String[l.size()])));
aoqi@0:         } catch (FileNotFoundException e) {
aoqi@0:             throw new BadArgs("at.args.file.not.found", e.getLocalizedMessage());
aoqi@0:         } catch (IOException e) {
aoqi@0:             throw new BadArgs("at.args.io.exception", e.getLocalizedMessage());
aoqi@0:         }
aoqi@0:     }
aoqi@0: 
aoqi@0:     public Boolean call() {
aoqi@0:         return run();
aoqi@0:     }
aoqi@0: 
aoqi@0:     public boolean run() throws Util.Exit {
aoqi@0: 
aoqi@0:         Util util = new Util(log, diagnosticListener);
aoqi@0: 
aoqi@0:         if (noArgs || help) {
aoqi@0:             showHelp();
aoqi@0:             return help; // treat noArgs as an error for purposes of exit code
aoqi@0:         }
aoqi@0: 
aoqi@0:         if (version || fullVersion) {
aoqi@0:             showVersion(fullVersion);
aoqi@0:             return true;
aoqi@0:         }
aoqi@0: 
aoqi@0:         util.verbose = verbose;
aoqi@0: 
aoqi@0:         Gen g;
aoqi@0: 
aoqi@0:         if (llni)
aoqi@0:             g = new LLNI(doubleAlign, util);
aoqi@0:         else {
aoqi@0: //            if (stubs)
aoqi@0: //                throw new BadArgs("jni.no.stubs");
aoqi@0:             g = new JNI(util);
aoqi@0:         }
aoqi@0: 
aoqi@0:         if (ofile != null) {
aoqi@0:             if (!(fileManager instanceof StandardJavaFileManager)) {
aoqi@0:                 diagnosticListener.report(createDiagnostic("err.cant.use.option.for.fm", "-o"));
aoqi@0:                 return false;
aoqi@0:             }
aoqi@0:             Iterable<? extends JavaFileObject> iter =
aoqi@0:                     ((StandardJavaFileManager) fileManager).getJavaFileObjectsFromFiles(Collections.singleton(ofile));
aoqi@0:             JavaFileObject fo = iter.iterator().next();
aoqi@0:             g.setOutFile(fo);
aoqi@0:         } else {
aoqi@0:             if (odir != null) {
aoqi@0:                 if (!(fileManager instanceof StandardJavaFileManager)) {
aoqi@0:                     diagnosticListener.report(createDiagnostic("err.cant.use.option.for.fm", "-d"));
aoqi@0:                     return false;
aoqi@0:                 }
aoqi@0: 
aoqi@0:                 if (!odir.exists())
aoqi@0:                     if (!odir.mkdirs())
aoqi@0:                         util.error("cant.create.dir", odir.toString());
aoqi@0:                 try {
aoqi@0:                     ((StandardJavaFileManager) fileManager).setLocation(StandardLocation.CLASS_OUTPUT, Collections.singleton(odir));
aoqi@0:                 } catch (IOException e) {
aoqi@0:                     Object msg = e.getLocalizedMessage();
aoqi@0:                     if (msg == null) {
aoqi@0:                         msg = e;
aoqi@0:                     }
aoqi@0:                     diagnosticListener.report(createDiagnostic("err.ioerror", odir, msg));
aoqi@0:                     return false;
aoqi@0:                 }
aoqi@0:             }
aoqi@0:             g.setFileManager(fileManager);
aoqi@0:         }
aoqi@0: 
aoqi@0:         /*
aoqi@0:          * Force set to false will turn off smarts about checking file
aoqi@0:          * content before writing.
aoqi@0:          */
aoqi@0:         g.setForce(force);
aoqi@0: 
aoqi@0:         if (fileManager instanceof JavahFileManager)
aoqi@0:             ((JavahFileManager) fileManager).setSymbolFileEnabled(false);
aoqi@0: 
aoqi@0:         JavaCompiler c = ToolProvider.getSystemJavaCompiler();
aoqi@0:         List<String> opts = new ArrayList<String>();
aoqi@0:         opts.add("-proc:only");
aoqi@0:         opts.addAll(javac_extras);
aoqi@0:         CompilationTask t = c.getTask(log, fileManager, diagnosticListener, opts, classes, null);
aoqi@0:         JavahProcessor p = new JavahProcessor(g);
aoqi@0:         t.setProcessors(Collections.singleton(p));
aoqi@0: 
aoqi@0:         boolean ok = t.call();
aoqi@0:         if (p.exit != null)
aoqi@0:             throw new Util.Exit(p.exit);
aoqi@0:         return ok;
aoqi@0:     }
aoqi@0: 
aoqi@0:     private List<File> pathToFiles(String path) {
aoqi@0:         List<File> files = new ArrayList<File>();
aoqi@0:         for (String f: path.split(File.pathSeparator)) {
aoqi@0:             if (f.length() > 0)
aoqi@0:                 files.add(new File(f));
aoqi@0:         }
aoqi@0:         return files;
aoqi@0:     }
aoqi@0: 
aoqi@0:     static StandardJavaFileManager getDefaultFileManager(final DiagnosticListener<? super JavaFileObject> dl, PrintWriter log) {
aoqi@0:         return JavahFileManager.create(dl, log);
aoqi@0:     }
aoqi@0: 
aoqi@0:     private void showHelp() {
aoqi@0:         log.println(getMessage("main.usage", progname));
aoqi@0:         for (Option o: recognizedOptions) {
aoqi@0:             if (o.isHidden())
aoqi@0:                 continue;
aoqi@0:             String name = o.aliases[0].substring(1); // there must always be at least one name
aoqi@0:             log.println(getMessage("main.opt." + name));
aoqi@0:         }
aoqi@0:         String[] fmOptions = { "-classpath", "-cp", "-bootclasspath" };
aoqi@0:         for (String o: fmOptions) {
aoqi@0:             if (fileManager.isSupportedOption(o) == -1)
aoqi@0:                 continue;
aoqi@0:             String name = o.substring(1);
aoqi@0:             log.println(getMessage("main.opt." + name));
aoqi@0:         }
aoqi@0:         log.println(getMessage("main.usage.foot"));
aoqi@0:     }
aoqi@0: 
aoqi@0:     private void showVersion(boolean full) {
aoqi@0:         log.println(version(full));
aoqi@0:     }
aoqi@0: 
aoqi@0:     private static final String versionRBName = "com.sun.tools.javah.resources.version";
aoqi@0:     private static ResourceBundle versionRB;
aoqi@0: 
aoqi@0:     private String version(boolean full) {
aoqi@0:         String msgKey = (full ? "javah.fullVersion" : "javah.version");
aoqi@0:         String versionKey = (full ? "full" : "release");
aoqi@0:         // versionKey=product:  mm.nn.oo[-milestone]
aoqi@0:         // versionKey=full:     mm.mm.oo[-milestone]-build
aoqi@0:         if (versionRB == null) {
aoqi@0:             try {
aoqi@0:                 versionRB = ResourceBundle.getBundle(versionRBName);
aoqi@0:             } catch (MissingResourceException e) {
aoqi@0:                 return getMessage("version.resource.missing", System.getProperty("java.version"));
aoqi@0:             }
aoqi@0:         }
aoqi@0:         try {
aoqi@0:             return getMessage(msgKey, "javah", versionRB.getString(versionKey));
aoqi@0:         }
aoqi@0:         catch (MissingResourceException e) {
aoqi@0:             return getMessage("version.unknown", System.getProperty("java.version"));
aoqi@0:         }
aoqi@0:     }
aoqi@0: 
aoqi@0:     private Diagnostic<JavaFileObject> createDiagnostic(final String key, final Object... args) {
aoqi@0:         return new Diagnostic<JavaFileObject>() {
aoqi@0:             public Kind getKind() {
aoqi@0:                 return Diagnostic.Kind.ERROR;
aoqi@0:             }
aoqi@0: 
aoqi@0:             public JavaFileObject getSource() {
aoqi@0:                 return null;
aoqi@0:             }
aoqi@0: 
aoqi@0:             public long getPosition() {
aoqi@0:                 return Diagnostic.NOPOS;
aoqi@0:             }
aoqi@0: 
aoqi@0:             public long getStartPosition() {
aoqi@0:                 return Diagnostic.NOPOS;
aoqi@0:             }
aoqi@0: 
aoqi@0:             public long getEndPosition() {
aoqi@0:                 return Diagnostic.NOPOS;
aoqi@0:             }
aoqi@0: 
aoqi@0:             public long getLineNumber() {
aoqi@0:                 return Diagnostic.NOPOS;
aoqi@0:             }
aoqi@0: 
aoqi@0:             public long getColumnNumber() {
aoqi@0:                 return Diagnostic.NOPOS;
aoqi@0:             }
aoqi@0: 
aoqi@0:             public String getCode() {
aoqi@0:                 return key;
aoqi@0:             }
aoqi@0: 
aoqi@0:             public String getMessage(Locale locale) {
aoqi@0:                 return JavahTask.this.getMessage(locale, key, args);
aoqi@0:             }
aoqi@0: 
aoqi@0:         };
aoqi@0:     }
aoqi@0: 
aoqi@0:     private String getMessage(String key, Object... args) {
aoqi@0:         return getMessage(task_locale, key, args);
aoqi@0:     }
aoqi@0: 
aoqi@0:     private String getMessage(Locale locale, String key, Object... args) {
aoqi@0:         if (bundles == null) {
aoqi@0:             // could make this a HashMap<Locale,SoftReference<ResourceBundle>>
aoqi@0:             // and for efficiency, keep a hard reference to the bundle for the task
aoqi@0:             // locale
aoqi@0:             bundles = new HashMap<Locale, ResourceBundle>();
aoqi@0:         }
aoqi@0: 
aoqi@0:         if (locale == null)
aoqi@0:             locale = Locale.getDefault();
aoqi@0: 
aoqi@0:         ResourceBundle b = bundles.get(locale);
aoqi@0:         if (b == null) {
aoqi@0:             try {
aoqi@0:                 b = ResourceBundle.getBundle("com.sun.tools.javah.resources.l10n", locale);
aoqi@0:                 bundles.put(locale, b);
aoqi@0:             } catch (MissingResourceException e) {
aoqi@0:                 throw new InternalError("Cannot find javah resource bundle for locale " + locale, e);
aoqi@0:             }
aoqi@0:         }
aoqi@0: 
aoqi@0:         try {
aoqi@0:             return MessageFormat.format(b.getString(key), args);
aoqi@0:         } catch (MissingResourceException e) {
aoqi@0:             return key;
aoqi@0:             //throw new InternalError(e, key);
aoqi@0:         }
aoqi@0:     }
aoqi@0: 
aoqi@0:     File ofile;
aoqi@0:     File odir;
aoqi@0:     String bootcp;
aoqi@0:     String usercp;
aoqi@0:     List<String> classes;
aoqi@0:     boolean verbose;
aoqi@0:     boolean noArgs;
aoqi@0:     boolean help;
aoqi@0:     boolean trace;
aoqi@0:     boolean version;
aoqi@0:     boolean fullVersion;
aoqi@0:     boolean jni;
aoqi@0:     boolean llni;
aoqi@0:     boolean doubleAlign;
aoqi@0:     boolean force;
aoqi@0:     Set<String> javac_extras = new LinkedHashSet<String>();
aoqi@0: 
aoqi@0:     PrintWriter log;
aoqi@0:     JavaFileManager fileManager;
aoqi@0:     DiagnosticListener<? super JavaFileObject> diagnosticListener;
aoqi@0:     Locale task_locale;
aoqi@0:     Map<Locale, ResourceBundle> bundles;
aoqi@0: 
aoqi@0:     private static final String progname = "javah";
aoqi@0: 
aoqi@0:     @SupportedAnnotationTypes("*")
aoqi@0:     class JavahProcessor extends AbstractProcessor {
aoqi@0:         private Messager messager;
aoqi@0: 
aoqi@0:         JavahProcessor(Gen g) {
aoqi@0:             this.g = g;
aoqi@0:         }
aoqi@0: 
aoqi@0:         @Override
aoqi@0:         public SourceVersion getSupportedSourceVersion() {
aoqi@0:             // since this is co-bundled with javac, we can assume it supports
aoqi@0:             // the latest source version
aoqi@0:             return SourceVersion.latest();
aoqi@0:         }
aoqi@0: 
aoqi@0:         @Override
aoqi@0:         public void init(ProcessingEnvironment pEnv) {
aoqi@0:             super.init(pEnv);
aoqi@0:             messager  = processingEnv.getMessager();
aoqi@0:         }
aoqi@0: 
aoqi@0:         public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
aoqi@0:             try {
aoqi@0:                 Set<TypeElement> classes = getAllClasses(ElementFilter.typesIn(roundEnv.getRootElements()));
aoqi@0:                 if (classes.size() > 0) {
aoqi@0:                     checkMethodParameters(classes);
aoqi@0:                     g.setProcessingEnvironment(processingEnv);
aoqi@0:                     g.setClasses(classes);
aoqi@0:                     g.run();
aoqi@0:                 }
aoqi@0:             } catch (CompletionFailure cf) {
aoqi@0:                 messager.printMessage(ERROR, getMessage("class.not.found", cf.sym.getQualifiedName().toString()));
aoqi@0:             } catch (ClassNotFoundException cnfe) {
aoqi@0:                 messager.printMessage(ERROR, getMessage("class.not.found", cnfe.getMessage()));
aoqi@0:             } catch (IOException ioe) {
aoqi@0:                 messager.printMessage(ERROR, getMessage("io.exception", ioe.getMessage()));
aoqi@0:             } catch (Util.Exit e) {
aoqi@0:                 exit = e;
aoqi@0:             }
aoqi@0: 
aoqi@0:             return true;
aoqi@0:         }
aoqi@0: 
aoqi@0:         private Set<TypeElement> getAllClasses(Set<? extends TypeElement> classes) {
aoqi@0:             Set<TypeElement> allClasses = new LinkedHashSet<TypeElement>();
aoqi@0:             getAllClasses0(classes, allClasses);
aoqi@0:             return allClasses;
aoqi@0:         }
aoqi@0: 
aoqi@0:         private void getAllClasses0(Iterable<? extends TypeElement> classes, Set<TypeElement> allClasses) {
aoqi@0:             for (TypeElement c: classes) {
aoqi@0:                 allClasses.add(c);
aoqi@0:                 getAllClasses0(ElementFilter.typesIn(c.getEnclosedElements()), allClasses);
aoqi@0:             }
aoqi@0:         }
aoqi@0: 
aoqi@0:         // 4942232:
aoqi@0:         // check that classes exist for all the parameters of native methods
aoqi@0:         private void checkMethodParameters(Set<TypeElement> classes) {
aoqi@0:             Types types = processingEnv.getTypeUtils();
aoqi@0:             for (TypeElement te: classes) {
aoqi@0:                 for (ExecutableElement ee: ElementFilter.methodsIn(te.getEnclosedElements())) {
aoqi@0:                     for (VariableElement ve: ee.getParameters()) {
aoqi@0:                         TypeMirror tm = ve.asType();
aoqi@0:                         checkMethodParametersVisitor.visit(tm, types);
aoqi@0:                     }
aoqi@0:                 }
aoqi@0:             }
aoqi@0:         }
aoqi@0: 
aoqi@0:         private TypeVisitor<Void,Types> checkMethodParametersVisitor =
aoqi@0:                 new SimpleTypeVisitor8<Void,Types>() {
aoqi@0:             @Override
aoqi@0:             public Void visitArray(ArrayType t, Types types) {
aoqi@0:                 visit(t.getComponentType(), types);
aoqi@0:                 return null;
aoqi@0:             }
aoqi@0:             @Override
aoqi@0:             public Void visitDeclared(DeclaredType t, Types types) {
aoqi@0:                 t.asElement().getKind(); // ensure class exists
aoqi@0:                 for (TypeMirror st: types.directSupertypes(t))
aoqi@0:                     visit(st, types);
aoqi@0:                 return null;
aoqi@0:             }
aoqi@0:         };
aoqi@0: 
aoqi@0:         private Gen g;
aoqi@0:         private Util.Exit exit;
aoqi@0:     }
aoqi@0: }