| /* |
| * Copyright (c) 2002, 2016, 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.javah; |
| |
| import java.io.File; |
| import java.io.FileNotFoundException; |
| import java.io.IOException; |
| import java.io.OutputStream; |
| import java.io.PrintWriter; |
| import java.io.Writer; |
| import java.nio.file.NoSuchFileException; |
| import java.text.MessageFormat; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.Iterator; |
| import java.util.LinkedHashSet; |
| import java.util.List; |
| import java.util.Locale; |
| import java.util.Map; |
| import java.util.MissingResourceException; |
| import java.util.Objects; |
| import java.util.ResourceBundle; |
| import java.util.Set; |
| |
| import javax.annotation.processing.AbstractProcessor; |
| import javax.annotation.processing.Messager; |
| import javax.annotation.processing.ProcessingEnvironment; |
| import javax.annotation.processing.RoundEnvironment; |
| import javax.annotation.processing.SupportedAnnotationTypes; |
| import javax.lang.model.SourceVersion; |
| import javax.lang.model.element.ExecutableElement; |
| import javax.lang.model.element.TypeElement; |
| import javax.lang.model.element.VariableElement; |
| import javax.lang.model.type.ArrayType; |
| import javax.lang.model.type.DeclaredType; |
| import javax.lang.model.type.TypeMirror; |
| import javax.lang.model.type.TypeVisitor; |
| import javax.lang.model.util.ElementFilter; |
| import javax.lang.model.util.SimpleTypeVisitor9; |
| import javax.lang.model.util.Types; |
| import javax.tools.Diagnostic; |
| import javax.tools.DiagnosticListener; |
| import javax.tools.JavaCompiler; |
| import javax.tools.JavaCompiler.CompilationTask; |
| import javax.tools.JavaFileManager; |
| import javax.tools.JavaFileObject; |
| import javax.tools.StandardJavaFileManager; |
| import javax.tools.StandardLocation; |
| import javax.tools.ToolProvider; |
| |
| import com.sun.tools.javac.code.Symbol.CompletionFailure; |
| import com.sun.tools.javac.main.CommandLine; |
| import com.sun.tools.javac.util.DefinedBy; |
| import com.sun.tools.javac.util.DefinedBy.Api; |
| |
| import static javax.tools.Diagnostic.Kind.*; |
| |
| |
| /** |
| * Javah generates support files for native methods. |
| * Parse commandline options and invokes javadoc to execute those commands. |
| * |
| * <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> |
| * |
| * @author Sucheta Dambalkar |
| * @author Jonathan Gibbons |
| */ |
| public class JavahTask implements NativeHeaderTool.NativeHeaderTask { |
| public class BadArgs extends Exception { |
| private static final long serialVersionUID = 1479361270874789045L; |
| BadArgs(String key, Object... args) { |
| super(JavahTask.this.getMessage(key, args)); |
| this.key = key; |
| this.args = args; |
| } |
| |
| BadArgs showUsage(boolean b) { |
| showUsage = b; |
| return this; |
| } |
| |
| final String key; |
| final Object[] args; |
| boolean showUsage; |
| } |
| |
| static abstract class Option { |
| Option(boolean hasArg, String... aliases) { |
| this.hasArg = hasArg; |
| this.aliases = aliases; |
| } |
| |
| boolean isHidden() { |
| return false; |
| } |
| |
| boolean matches(String opt) { |
| for (String a: aliases) { |
| if (a.equals(opt)) |
| return true; |
| } |
| return false; |
| } |
| |
| boolean ignoreRest() { |
| return false; |
| } |
| |
| abstract void process(JavahTask task, String opt, String arg) throws BadArgs; |
| |
| final boolean hasArg; |
| final String[] aliases; |
| } |
| |
| static abstract class HiddenOption extends Option { |
| HiddenOption(boolean hasArg, String... aliases) { |
| super(hasArg, aliases); |
| } |
| |
| @Override |
| boolean isHidden() { |
| return true; |
| } |
| } |
| |
| static final Option[] recognizedOptions = { |
| new Option(true, "-o") { |
| void process(JavahTask task, String opt, String arg) { |
| task.ofile = new File(arg); |
| } |
| }, |
| |
| new Option(true, "-d") { |
| void process(JavahTask task, String opt, String arg) { |
| task.odir = new File(arg); |
| } |
| }, |
| |
| new HiddenOption(true, "-td") { |
| void process(JavahTask task, String opt, String arg) { |
| // ignored; for backwards compatibility |
| } |
| }, |
| |
| new Option(false, "-v", "-verbose") { |
| void process(JavahTask task, String opt, String arg) { |
| task.verbose = true; |
| } |
| }, |
| |
| new Option(false, "-h", "-help", "--help", "-?") { |
| void process(JavahTask task, String opt, String arg) { |
| task.help = true; |
| } |
| }, |
| |
| new HiddenOption(false, "-trace") { |
| void process(JavahTask task, String opt, String arg) { |
| task.trace = true; |
| } |
| }, |
| |
| new Option(false, "-version") { |
| void process(JavahTask task, String opt, String arg) { |
| task.version = true; |
| } |
| }, |
| |
| new HiddenOption(false, "-fullversion") { |
| void process(JavahTask task, String opt, String arg) { |
| task.fullVersion = true; |
| } |
| }, |
| |
| new Option(false, "-jni") { |
| void process(JavahTask task, String opt, String arg) { |
| task.jni = true; |
| } |
| }, |
| |
| new Option(false, "-force") { |
| void process(JavahTask task, String opt, String arg) { |
| task.force = true; |
| } |
| }, |
| |
| new HiddenOption(false, "-Xnew") { |
| void process(JavahTask task, String opt, String arg) { |
| // we're already using the new javah |
| } |
| }, |
| |
| new HiddenOption(false, "-llni", "-Xllni") { |
| void process(JavahTask task, String opt, String arg) { |
| task.llni = true; |
| } |
| }, |
| |
| new HiddenOption(false, "-llnidouble") { |
| void process(JavahTask task, String opt, String arg) { |
| task.llni = true; |
| task.doubleAlign = true; |
| } |
| }, |
| |
| new HiddenOption(false) { |
| boolean matches(String opt) { |
| return opt.startsWith("-XD"); |
| } |
| void process(JavahTask task, String opt, String arg) { |
| task.javac_extras.add(opt); |
| } |
| }, |
| }; |
| |
| JavahTask() { |
| } |
| |
| JavahTask(Writer out, |
| JavaFileManager fileManager, |
| DiagnosticListener<? super JavaFileObject> diagnosticListener, |
| Iterable<String> options, |
| Iterable<String> classes) { |
| this(); |
| this.log = getPrintWriterForWriter(out); |
| this.fileManager = fileManager; |
| this.diagnosticListener = diagnosticListener; |
| |
| try { |
| handleOptions(options, false); |
| } catch (BadArgs e) { |
| throw new IllegalArgumentException(e.getMessage()); |
| } |
| |
| this.classes = new ArrayList<>(); |
| if (classes != null) { |
| for (String classname: classes) { |
| Objects.requireNonNull(classname); |
| this.classes.add(classname); |
| } |
| } |
| } |
| |
| public void setLocale(Locale locale) { |
| if (locale == null) |
| locale = Locale.getDefault(); |
| task_locale = locale; |
| } |
| |
| public void setLog(PrintWriter log) { |
| this.log = log; |
| } |
| |
| public void setLog(OutputStream s) { |
| setLog(getPrintWriterForStream(s)); |
| } |
| |
| static PrintWriter getPrintWriterForStream(OutputStream s) { |
| return new PrintWriter(s, true); |
| } |
| |
| static PrintWriter getPrintWriterForWriter(Writer w) { |
| if (w == null) |
| return getPrintWriterForStream(null); |
| else if (w instanceof PrintWriter) |
| return (PrintWriter) w; |
| else |
| return new PrintWriter(w, true); |
| } |
| |
| public void setDiagnosticListener(DiagnosticListener<? super JavaFileObject> dl) { |
| diagnosticListener = dl; |
| } |
| |
| public void setDiagnosticListener(OutputStream s) { |
| setDiagnosticListener(getDiagnosticListenerForStream(s)); |
| } |
| |
| private DiagnosticListener<JavaFileObject> getDiagnosticListenerForStream(OutputStream s) { |
| return getDiagnosticListenerForWriter(getPrintWriterForStream(s)); |
| } |
| |
| private DiagnosticListener<JavaFileObject> getDiagnosticListenerForWriter(Writer w) { |
| final PrintWriter pw = getPrintWriterForWriter(w); |
| return diagnostic -> { |
| if (diagnostic.getKind() == Diagnostic.Kind.ERROR) { |
| pw.print(getMessage("err.prefix")); |
| pw.print(" "); |
| } |
| pw.println(diagnostic.getMessage(null)); |
| }; |
| } |
| |
| int run(String[] args) { |
| try { |
| handleOptions(args); |
| boolean ok = run(); |
| return ok ? 0 : 1; |
| } catch (BadArgs e) { |
| diagnosticListener.report(createDiagnostic(e.key, e.args)); |
| return 1; |
| } catch (InternalError e) { |
| diagnosticListener.report(createDiagnostic("err.internal.error", e.getMessage())); |
| return 1; |
| } catch (Util.Exit e) { |
| return e.exitValue; |
| } finally { |
| log.flush(); |
| } |
| } |
| |
| public void handleOptions(String[] args) throws BadArgs { |
| handleOptions(Arrays.asList(args), true); |
| } |
| |
| private void handleOptions(Iterable<String> args, boolean allowClasses) throws BadArgs { |
| if (log == null) { |
| log = getPrintWriterForStream(System.out); |
| if (diagnosticListener == null) |
| diagnosticListener = getDiagnosticListenerForStream(System.err); |
| } else { |
| if (diagnosticListener == null) |
| diagnosticListener = getDiagnosticListenerForWriter(log); |
| } |
| |
| if (fileManager == null) |
| fileManager = getDefaultFileManager(diagnosticListener, log); |
| |
| Iterator<String> iter = expandAtArgs(args).iterator(); |
| noArgs = !iter.hasNext(); |
| |
| while (iter.hasNext()) { |
| String arg = iter.next(); |
| if (arg.startsWith("-")) |
| handleOption(arg, iter); |
| else if (allowClasses) { |
| if (classes == null) |
| classes = new ArrayList<>(); |
| classes.add(arg); |
| while (iter.hasNext()) |
| classes.add(iter.next()); |
| } else |
| throw new BadArgs("err.unknown.option", arg).showUsage(true); |
| } |
| |
| if ((classes == null || classes.size() == 0) && |
| !(noArgs || help || version || fullVersion)) { |
| throw new BadArgs("err.no.classes.specified"); |
| } |
| |
| if (jni && llni) |
| throw new BadArgs("jni.llni.mixed"); |
| |
| if (odir != null && ofile != null) |
| throw new BadArgs("dir.file.mixed"); |
| } |
| |
| private void handleOption(String name, Iterator<String> rest) throws BadArgs { |
| for (Option o: recognizedOptions) { |
| if (o.matches(name)) { |
| if (o.hasArg) { |
| if (rest.hasNext()) |
| o.process(this, name, rest.next()); |
| else |
| throw new BadArgs("err.missing.arg", name).showUsage(true); |
| } else |
| o.process(this, name, null); |
| |
| if (o.ignoreRest()) { |
| while (rest.hasNext()) |
| rest.next(); |
| } |
| return; |
| } |
| } |
| |
| if (fileManager.handleOption(name, rest)) |
| return; |
| |
| throw new BadArgs("err.unknown.option", name).showUsage(true); |
| } |
| |
| private Iterable<String> expandAtArgs(Iterable<String> args) throws BadArgs { |
| try { |
| List<String> l = new ArrayList<>(); |
| for (String arg: args) l.add(arg); |
| return Arrays.asList(CommandLine.parse(l.toArray(new String[l.size()]))); |
| } catch (FileNotFoundException | NoSuchFileException e) { |
| throw new BadArgs("at.args.file.not.found", e.getLocalizedMessage()); |
| } catch (IOException e) { |
| throw new BadArgs("at.args.io.exception", e.getLocalizedMessage()); |
| } |
| } |
| |
| public Boolean call() { |
| return run(); |
| } |
| |
| public boolean run() throws Util.Exit { |
| |
| if (!javac_extras.contains("-XDsuppress-tool-removal-message")) { |
| log.println(getMessage("javah.misc.Deprecation")); |
| } |
| |
| Util util = new Util(log, diagnosticListener); |
| |
| if (noArgs || help) { |
| showHelp(); |
| return help; // treat noArgs as an error for purposes of exit code |
| } |
| |
| if (version || fullVersion) { |
| showVersion(fullVersion); |
| return true; |
| } |
| |
| util.verbose = verbose; |
| |
| Gen g; |
| |
| if (llni) |
| g = new LLNI(doubleAlign, util); |
| else { |
| g = new JNI(util); |
| } |
| |
| if (ofile != null) { |
| if (!(fileManager instanceof StandardJavaFileManager)) { |
| diagnosticListener.report(createDiagnostic("err.cant.use.option.for.fm", "-o")); |
| return false; |
| } |
| Iterable<? extends JavaFileObject> iter = |
| ((StandardJavaFileManager) fileManager).getJavaFileObjectsFromFiles(Collections.singleton(ofile)); |
| JavaFileObject fo = iter.iterator().next(); |
| g.setOutFile(fo); |
| } else { |
| if (odir != null) { |
| if (!(fileManager instanceof StandardJavaFileManager)) { |
| diagnosticListener.report(createDiagnostic("err.cant.use.option.for.fm", "-d")); |
| return false; |
| } |
| |
| if (!odir.exists()) |
| if (!odir.mkdirs()) |
| util.error("cant.create.dir", odir.toString()); |
| try { |
| ((StandardJavaFileManager) fileManager).setLocation(StandardLocation.CLASS_OUTPUT, Collections.singleton(odir)); |
| } catch (IOException e) { |
| Object msg = e.getLocalizedMessage(); |
| if (msg == null) { |
| msg = e; |
| } |
| diagnosticListener.report(createDiagnostic("err.ioerror", odir, msg)); |
| return false; |
| } |
| } |
| g.setFileManager(fileManager); |
| } |
| |
| /* |
| * Force set to false will turn off smarts about checking file |
| * content before writing. |
| */ |
| g.setForce(force); |
| |
| if (fileManager instanceof JavahFileManager) |
| ((JavahFileManager) fileManager).setSymbolFileEnabled(false); |
| |
| JavaCompiler c = ToolProvider.getSystemJavaCompiler(); |
| List<String> opts = new ArrayList<>(); |
| opts.add("-proc:only"); |
| opts.addAll(javac_extras); |
| |
| CompilationTask t; |
| try { |
| t = c.getTask(log, fileManager, diagnosticListener, opts, classes, null); |
| } catch (IllegalArgumentException e) { |
| util.error("bad.arg", e.getMessage()); |
| return false; |
| } |
| |
| JavahProcessor p = new JavahProcessor(g); |
| t.setProcessors(Collections.singleton(p)); |
| |
| boolean ok = t.call(); |
| if (p.exit != null) |
| throw new Util.Exit(p.exit); |
| return ok; |
| |
| } |
| |
| static StandardJavaFileManager getDefaultFileManager(final DiagnosticListener<? super JavaFileObject> dl, PrintWriter log) { |
| return JavahFileManager.create(dl, log); |
| } |
| |
| private void showHelp() { |
| log.println(getMessage("main.usage", progname)); |
| |
| for (Option o: recognizedOptions) { |
| if (o.isHidden()) |
| continue; |
| String name = o.aliases[0].substring(1); // there must always be at least one name |
| log.println(getMessage("main.opt." + name)); |
| } |
| |
| String[] fmOptions = { |
| "--module-path", "--system", |
| "--class-path", "-classpath", "-cp", |
| "-bootclasspath" |
| }; |
| |
| for (String o: fmOptions) { |
| if (fileManager.isSupportedOption(o) == -1) |
| continue; |
| String name = o.replaceAll("^-+", "").replaceAll("-+", "_"); |
| log.println(getMessage("main.opt." + name)); |
| } |
| |
| log.println(getMessage("main.usage.foot")); |
| } |
| |
| private void showVersion(boolean full) { |
| log.println(version(full)); |
| } |
| |
| private static final String versionRBName = "com.sun.tools.javah.resources.version"; |
| private static ResourceBundle versionRB; |
| |
| private String version(boolean full) { |
| String msgKey = (full ? "javah.fullVersion" : "javah.version"); |
| String versionKey = (full ? "full" : "release"); |
| // versionKey=product: mm.nn.oo[-milestone] |
| // versionKey=full: mm.mm.oo[-milestone]-build |
| if (versionRB == null) { |
| try { |
| versionRB = ResourceBundle.getBundle(versionRBName); |
| } catch (MissingResourceException e) { |
| return getMessage("version.resource.missing", System.getProperty("java.version")); |
| } |
| } |
| try { |
| return getMessage(msgKey, "javah", versionRB.getString(versionKey)); |
| } |
| catch (MissingResourceException e) { |
| return getMessage("version.unknown", System.getProperty("java.version")); |
| } |
| } |
| |
| private Diagnostic<JavaFileObject> createDiagnostic(final String key, final Object... args) { |
| return new Diagnostic<JavaFileObject>() { |
| @DefinedBy(Api.COMPILER) |
| public Kind getKind() { |
| return Diagnostic.Kind.ERROR; |
| } |
| |
| @DefinedBy(Api.COMPILER) |
| public JavaFileObject getSource() { |
| return null; |
| } |
| |
| @DefinedBy(Api.COMPILER) |
| public long getPosition() { |
| return Diagnostic.NOPOS; |
| } |
| |
| @DefinedBy(Api.COMPILER) |
| public long getStartPosition() { |
| return Diagnostic.NOPOS; |
| } |
| |
| @DefinedBy(Api.COMPILER) |
| public long getEndPosition() { |
| return Diagnostic.NOPOS; |
| } |
| |
| @DefinedBy(Api.COMPILER) |
| public long getLineNumber() { |
| return Diagnostic.NOPOS; |
| } |
| |
| @DefinedBy(Api.COMPILER) |
| public long getColumnNumber() { |
| return Diagnostic.NOPOS; |
| } |
| |
| @DefinedBy(Api.COMPILER) |
| public String getCode() { |
| return key; |
| } |
| |
| @DefinedBy(Api.COMPILER) |
| public String getMessage(Locale locale) { |
| return JavahTask.this.getMessage(locale, key, args); |
| } |
| |
| }; |
| } |
| |
| private String getMessage(String key, Object... args) { |
| return getMessage(task_locale, key, args); |
| } |
| |
| private String getMessage(Locale locale, String key, Object... args) { |
| if (bundles == null) { |
| // could make this a HashMap<Locale,SoftReference<ResourceBundle>> |
| // and for efficiency, keep a hard reference to the bundle for the task |
| // locale |
| bundles = new HashMap<>(); |
| } |
| |
| if (locale == null) |
| locale = Locale.getDefault(); |
| |
| ResourceBundle b = bundles.get(locale); |
| if (b == null) { |
| try { |
| b = ResourceBundle.getBundle("com.sun.tools.javah.resources.l10n", locale); |
| bundles.put(locale, b); |
| } catch (MissingResourceException e) { |
| throw new InternalError("Cannot find javah resource bundle for locale " + locale, e); |
| } |
| } |
| |
| try { |
| return MessageFormat.format(b.getString(key), args); |
| } catch (MissingResourceException e) { |
| return key; |
| //throw new InternalError(e, key); |
| } |
| } |
| |
| File ofile; |
| File odir; |
| String bootcp; |
| String usercp; |
| List<String> classes; |
| boolean verbose; |
| boolean noArgs; |
| boolean help; |
| boolean trace; |
| boolean version; |
| boolean fullVersion; |
| boolean jni; |
| boolean llni; |
| boolean doubleAlign; |
| boolean force; |
| Set<String> javac_extras = new LinkedHashSet<>(); |
| |
| PrintWriter log; |
| JavaFileManager fileManager; |
| DiagnosticListener<? super JavaFileObject> diagnosticListener; |
| Locale task_locale; |
| Map<Locale, ResourceBundle> bundles; |
| |
| private static final String progname = "javah"; |
| |
| @SupportedAnnotationTypes("*") |
| class JavahProcessor extends AbstractProcessor { |
| private Messager messager; |
| |
| JavahProcessor(Gen g) { |
| this.g = g; |
| } |
| |
| @Override @DefinedBy(Api.ANNOTATION_PROCESSING) |
| public SourceVersion getSupportedSourceVersion() { |
| // since this is co-bundled with javac, we can assume it supports |
| // the latest source version |
| return SourceVersion.latest(); |
| } |
| |
| @Override @DefinedBy(Api.ANNOTATION_PROCESSING) |
| public void init(ProcessingEnvironment pEnv) { |
| super.init(pEnv); |
| messager = processingEnv.getMessager(); |
| } |
| |
| @DefinedBy(Api.ANNOTATION_PROCESSING) |
| public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) { |
| try { |
| Set<TypeElement> classes = getAllClasses(ElementFilter.typesIn(roundEnv.getRootElements())); |
| if (classes.size() > 0) { |
| checkMethodParameters(classes); |
| g.setProcessingEnvironment(processingEnv); |
| g.setClasses(classes); |
| g.run(); |
| } |
| } catch (CompletionFailure cf) { |
| messager.printMessage(ERROR, getMessage("class.not.found", cf.sym.getQualifiedName().toString())); |
| } catch (ClassNotFoundException cnfe) { |
| messager.printMessage(ERROR, getMessage("class.not.found", cnfe.getMessage())); |
| } catch (IOException ioe) { |
| messager.printMessage(ERROR, getMessage("io.exception", ioe.getMessage())); |
| } catch (Util.Exit e) { |
| exit = e; |
| } |
| |
| return true; |
| } |
| |
| private Set<TypeElement> getAllClasses(Set<? extends TypeElement> classes) { |
| Set<TypeElement> allClasses = new LinkedHashSet<>(); |
| getAllClasses0(classes, allClasses); |
| return allClasses; |
| } |
| |
| private void getAllClasses0(Iterable<? extends TypeElement> classes, Set<TypeElement> allClasses) { |
| for (TypeElement c: classes) { |
| allClasses.add(c); |
| getAllClasses0(ElementFilter.typesIn(c.getEnclosedElements()), allClasses); |
| } |
| } |
| |
| // 4942232: |
| // check that classes exist for all the parameters of native methods |
| private void checkMethodParameters(Set<TypeElement> classes) { |
| Types types = processingEnv.getTypeUtils(); |
| for (TypeElement te: classes) { |
| for (ExecutableElement ee: ElementFilter.methodsIn(te.getEnclosedElements())) { |
| for (VariableElement ve: ee.getParameters()) { |
| TypeMirror tm = ve.asType(); |
| checkMethodParametersVisitor.visit(tm, types); |
| } |
| } |
| } |
| } |
| |
| private TypeVisitor<Void,Types> checkMethodParametersVisitor = |
| new SimpleTypeVisitor9<Void,Types>() { |
| @Override @DefinedBy(Api.LANGUAGE_MODEL) |
| public Void visitArray(ArrayType t, Types types) { |
| visit(t.getComponentType(), types); |
| return null; |
| } |
| @Override @DefinedBy(Api.LANGUAGE_MODEL) |
| public Void visitDeclared(DeclaredType t, Types types) { |
| t.asElement().getKind(); // ensure class exists |
| for (TypeMirror st: types.directSupertypes(t)) |
| visit(st, types); |
| return null; |
| } |
| }; |
| |
| private Gen g; |
| private Util.Exit exit; |
| } |
| } |