jdk8-mips64-public/langtools: src/share/classes/com/sun/tools/javac/api/JavacTool.java@38bd6375f37d (annotated)

src/share/classes/com/sun/tools/javac/api/JavacTool.java@38bd6375f37d (annotated)

src/share/classes/com/sun/tools/javac/api/JavacTool.java

Tue, 04 Mar 2008 15:45:20 +0000

author: mcimadamore
date: Tue, 04 Mar 2008 15:45:20 +0000
changeset 8: 38bd6375f37d
parent 1: 9a66ca7c79fa
child 50: b9bcea8bbe24
permissions: -rw-r--r--

6663588: Compiler goes into infinite loop for Cyclic Inheritance test case
Summary: interplay between cyclic inheritance and tvar bounds hangs javac
Reviewed-by: jjg

 /*
  * Copyright 2005-2006 Sun Microsystems, Inc.  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.  Sun designates this
  * particular file as subject to the "Classpath" exception as provided
  * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
  * CA 95054 USA or visit www.sun.com if you need additional information or
  * have any questions.
  */
 package com.sun.tools.javac.api;
 import java.io.File;
 import java.io.InputStream;
 import java.io.OutputStream;
 import java.io.PrintWriter;
 import java.io.Writer;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.EnumSet;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Locale;
 import java.util.Set;
 import javax.lang.model.SourceVersion;
 import javax.tools.*;
 import com.sun.source.util.JavacTask;
 import com.sun.tools.javac.main.JavacOption.OptionKind;
 import com.sun.tools.javac.main.JavacOption;
 import com.sun.tools.javac.main.Main;
 import com.sun.tools.javac.main.RecognizedOptions.GrumpyHelper;
 import com.sun.tools.javac.main.RecognizedOptions;
 import com.sun.tools.javac.util.Context;
 import com.sun.tools.javac.util.JavacFileManager;
 import com.sun.tools.javac.util.Log;
 import com.sun.tools.javac.util.Options;
 import com.sun.tools.javac.util.Pair;
 import java.nio.charset.Charset;
 /**
  * TODO: describe com.sun.tools.javac.api.Tool
  *
  * <p><b>This is NOT part of any API supported by Sun Microsystems.
  * 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 Peter von der Ah\u00e9
  */
 public final class JavacTool implements JavaCompiler {
     private final List<Pair<String,String>> options
         = new ArrayList<Pair<String,String>>();
     private final Context dummyContext = new Context();
     private final PrintWriter silent = new PrintWriter(new OutputStream(){
         public void write(int b) {}
     });
     private final Main sharedCompiler = new Main("javac", silent);
     {
         sharedCompiler.setOptions(Options.instance(dummyContext));
     }
     /**
      * Constructor used by service provider mechanism.  The correct way to
      * obtain an instance of this class is using create or the service provider
      * mechanism.
      * @see javax.tools.JavaCompilerTool
      * @see javax.tools.ToolProvider
      * @see #create
      */
     @Deprecated
     public JavacTool() {}
     /**
      * Static factory method for creating new instances of this tool.
      * @return new instance of this tool
      */
     public static JavacTool create() {
         return new JavacTool();
     }
     private String argsToString(Object... args) {
         String newArgs = null;
         if (args.length > 0) {
             StringBuilder sb = new StringBuilder();
             String separator = "";
             for (Object arg : args) {
                 sb.append(separator).append(arg.toString());
                 separator = File.pathSeparator;
             }
             newArgs = sb.toString();
         }
         return newArgs;
     }
     private void setOption1(String name, OptionKind kind, Object... args) {
         String arg = argsToString(args);
         JavacOption option = sharedCompiler.getOption(name);
         if (option == null || !match(kind, option.getKind()))
             throw new IllegalArgumentException(name);
         if ((args.length != 0) != option.hasArg())
             throw new IllegalArgumentException(name);
         if (option.hasArg()) {
             if (option.process(null, name, arg)) // FIXME
                 throw new IllegalArgumentException(name);
         } else {
             if (option.process(null, name)) // FIXME
                 throw new IllegalArgumentException(name);
         }
         options.add(new Pair<String,String>(name,arg));
     }
     public void setOption(String name, Object... args) {
         setOption1(name, OptionKind.NORMAL, args);
     }
     public void setExtendedOption(String name, Object... args)  {
         setOption1(name, OptionKind.EXTENDED, args);
     }
     private static boolean match(OptionKind clientKind, OptionKind optionKind) {
         return (clientKind == (optionKind == OptionKind.HIDDEN ? optionKind.EXTENDED : optionKind));
     }
     public JavacFileManager getStandardFileManager(
         DiagnosticListener<? super JavaFileObject> diagnosticListener,
         Locale locale,
         Charset charset) {
         Context context = new Context();
         if (diagnosticListener != null)
             context.put(DiagnosticListener.class, diagnosticListener);
         context.put(Log.outKey, new PrintWriter(System.err, true)); // FIXME
         return new JavacFileManager(context, true, charset);
     }
     private boolean compilationInProgress = false;
     /**
      * Register that a compilation is about to start.
      */
     void beginContext(final Context context) {
         if (compilationInProgress)
             throw new IllegalStateException("Compilation in progress");
         compilationInProgress = true;
         final JavaFileManager givenFileManager = context.get(JavaFileManager.class);
         context.put(JavaFileManager.class, (JavaFileManager)null);
         context.put(JavaFileManager.class, new Context.Factory<JavaFileManager>() {
             public JavaFileManager make() {
                 if (givenFileManager != null) {
                     context.put(JavaFileManager.class, givenFileManager);
                     return givenFileManager;
                 } else {
                     return new JavacFileManager(context, true, null);
                 }
             }
         });
     }
     /**
      * Register that a compilation is completed.
      */
     void endContext() {
         compilationInProgress = false;
     }
     public JavacTask getTask(Writer out,
                              JavaFileManager fileManager,
                              DiagnosticListener<? super JavaFileObject> diagnosticListener,
                              Iterable<String> options,
                              Iterable<String> classes,
                              Iterable<? extends JavaFileObject> compilationUnits)
     {
         final String kindMsg = "All compilation units must be of SOURCE kind";
         if (options != null)
             for (String option : options)
                 option.getClass(); // null check
         if (classes != null) {
             for (String cls : classes)
                 if (!SourceVersion.isName(cls)) // implicit null check
                     throw new IllegalArgumentException("Not a valid class name: " + cls);
         }
         if (compilationUnits != null) {
             for (JavaFileObject cu : compilationUnits) {
                 if (cu.getKind() != JavaFileObject.Kind.SOURCE) // implicit null check
                     throw new IllegalArgumentException(kindMsg);
             }
         }
         Context context = new Context();
         if (diagnosticListener != null)
             context.put(DiagnosticListener.class, diagnosticListener);
         if (out == null)
             context.put(Log.outKey, new PrintWriter(System.err, true));
         else
             context.put(Log.outKey, new PrintWriter(out, true));
         if (fileManager == null)
             fileManager = getStandardFileManager(diagnosticListener, null, null);
         context.put(JavaFileManager.class, fileManager);
         processOptions(context, fileManager, options);
         Main compiler = new Main("javacTask", context.get(Log.outKey));
         return new JavacTaskImpl(this, compiler, options, context, classes, compilationUnits);
     }
     private static void processOptions(Context context,
                                        JavaFileManager fileManager,
                                        Iterable<String> options)
     {
         if (options == null)
             return;
         Options optionTable = Options.instance(context);
         JavacOption[] recognizedOptions =
             RecognizedOptions.getJavacToolOptions(new GrumpyHelper());
         Iterator<String> flags = options.iterator();
         while (flags.hasNext()) {
             String flag = flags.next();
             int j;
             for (j=0; j<recognizedOptions.length; j++)
                 if (recognizedOptions[j].matches(flag))
                     break;
             if (j == recognizedOptions.length) {
                 if (fileManager.handleOption(flag, flags)) {
                     continue;
                 } else {
                     String msg = Main.getLocalizedString("err.invalid.flag", flag);
                     throw new IllegalArgumentException(msg);
                 }
             }
             JavacOption option = recognizedOptions[j];
             if (option.hasArg()) {
                 if (!flags.hasNext()) {
                     String msg = Main.getLocalizedString("err.req.arg", flag);
                     throw new IllegalArgumentException(msg);
                 }
                 String operand = flags.next();
                 if (option.process(optionTable, flag, operand))
                     // should not happen as the GrumpyHelper will throw exceptions
                     // in case of errors
                     throw new IllegalArgumentException(flag + " " + operand);
             } else {
                 if (option.process(optionTable, flag))
                     // should not happen as the GrumpyHelper will throw exceptions
                     // in case of errors
                     throw new IllegalArgumentException(flag);
             }
         }
     }
     public int run(InputStream in, OutputStream out, OutputStream err, String... arguments) {
         if (err == null)
             err = System.err;
         for (String argument : arguments)
             argument.getClass(); // null check
         return com.sun.tools.javac.Main.compile(arguments, new PrintWriter(err, true));
     }
     public Set<SourceVersion> getSourceVersions() {
         return Collections.unmodifiableSet(EnumSet.range(SourceVersion.RELEASE_3,
                                                          SourceVersion.latest()));
     }
     public int isSupportedOption(String option) {
         JavacOption[] recognizedOptions =
             RecognizedOptions.getJavacToolOptions(new GrumpyHelper());
         for (JavacOption o : recognizedOptions) {
             if (o.matches(option))
                 return o.hasArg() ? 1 : 0;
         }
         return -1;
     }
 }

Mercurial > jdk8-mips64-public > langtools / annotate

src/share/classes/com/sun/tools/javac/api/JavacTool.java@38bd6375f37d (annotated)

src/share/classes/com/sun/tools/javac/api/JavacTool.java