jdk8-mips64-public/langtools: src/share/classes/com/sun/tools/javac/api/JavacTool.java@af8417e590f4

     1 /*

     2  * Copyright (c) 2005, 2012, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.  Oracle designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Oracle in the LICENSE file that accompanied this code.

    10  *

    11  * This code is distributed in the hope that it will be useful, but WITHOUT

    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    14  * version 2 for more details (a copy is included in the LICENSE file that

    15  * accompanied this code).

    16  *

    17  * You should have received a copy of the GNU General Public License version

    18  * 2 along with this work; if not, write to the Free Software Foundation,

    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    20  *

    21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    22  * or visit www.oracle.com if you need additional information or have any

    23  * questions.

    24  */

    26 package com.sun.tools.javac.api;

    28 import java.io.InputStream;

    29 import java.io.OutputStream;

    30 import java.io.OutputStreamWriter;

    31 import java.io.PrintWriter;

    32 import java.io.Writer;

    33 import java.nio.charset.Charset;

    34 import java.util.Collections;

    35 import java.util.EnumSet;

    36 import java.util.Iterator;

    37 import java.util.Locale;

    38 import java.util.Set;

    39 import javax.lang.model.SourceVersion;

    40 import javax.tools.*;

    42 import com.sun.source.util.JavacTask;

    43 import com.sun.tools.javac.file.JavacFileManager;

    44 import com.sun.tools.javac.main.Main;

    45 import com.sun.tools.javac.main.Option;

    46 import com.sun.tools.javac.main.OptionHelper;

    47 import com.sun.tools.javac.main.OptionHelper.GrumpyHelper;

    48 import com.sun.tools.javac.util.ClientCodeException;

    49 import com.sun.tools.javac.util.Context;

    50 import com.sun.tools.javac.util.Log;

    51 import com.sun.tools.javac.util.Log.PrefixKind;

    52 import com.sun.tools.javac.util.Options;

    54 /**

    55  * TODO: describe com.sun.tools.javac.api.Tool

    56  *

    57  * <p><b>This is NOT part of any supported API.

    58  * If you write code that depends on this, you do so at your own

    59  * risk.  This code and its internal interfaces are subject to change

    60  * or deletion without notice.</b></p>

    61  *

    62  * @author Peter von der Ah\u00e9

    63  */

    64 public final class JavacTool implements JavaCompiler {

    65     /**

    66      * Constructor used by service provider mechanism.  The recommended way to

    67      * obtain an instance of this class is by using {@link #create} or the

    68      * service provider mechanism.

    69      * @see javax.tools.JavaCompiler

    70      * @see javax.tools.ToolProvider

    71      * @see #create

    72      */

    73     @Deprecated

    74     public JavacTool() {}

    76     /**

    77      * Static factory method for creating new instances of this tool.

    78      * @return new instance of this tool

    79      */

    80     public static JavacTool create() {

    81         return new JavacTool();

    82     }

    84     public JavacFileManager getStandardFileManager(

    85         DiagnosticListener<? super JavaFileObject> diagnosticListener,

    86         Locale locale,

    87         Charset charset) {

    88         Context context = new Context();

    89         context.put(Locale.class, locale);

    90         if (diagnosticListener != null)

    91             context.put(DiagnosticListener.class, diagnosticListener);

    92         PrintWriter pw = (charset == null)

    93                 ? new PrintWriter(System.err, true)

    94                 : new PrintWriter(new OutputStreamWriter(System.err, charset), true);

    95         context.put(Log.outKey, pw);

    96         return new JavacFileManager(context, true, charset);

    97     }

    99     @Override

   100     public JavacTask getTask(Writer out,

   101                              JavaFileManager fileManager,

   102                              DiagnosticListener<? super JavaFileObject> diagnosticListener,

   103                              Iterable<String> options,

   104                              Iterable<String> classes,

   105                              Iterable<? extends JavaFileObject> compilationUnits) {

   106         Context context = new Context();

   107         return getTask(out, fileManager, diagnosticListener,

   108                 options, classes, compilationUnits,

   109                 context);

   110     }

   112     public JavacTask getTask(Writer out,

   113                              JavaFileManager fileManager,

   114                              DiagnosticListener<? super JavaFileObject> diagnosticListener,

   115                              Iterable<String> options,

   116                              Iterable<String> classes,

   117                              Iterable<? extends JavaFileObject> compilationUnits,

   118                              Context context)

   119     {

   120         try {

   121             ClientCodeWrapper ccw = ClientCodeWrapper.instance(context);

   123             final String kindMsg = "All compilation units must be of SOURCE kind";

   124             if (options != null)

   125                 for (String option : options)

   126                     option.getClass(); // null check

   127             if (classes != null) {

   128                 for (String cls : classes)

   129                     if (!SourceVersion.isName(cls)) // implicit null check

   130                         throw new IllegalArgumentException("Not a valid class name: " + cls);

   131             }

   132             if (compilationUnits != null) {

   133                 compilationUnits = ccw.wrapJavaFileObjects(compilationUnits); // implicit null check

   134                 for (JavaFileObject cu : compilationUnits) {

   135                     if (cu.getKind() != JavaFileObject.Kind.SOURCE)

   136                         throw new IllegalArgumentException(kindMsg);

   137                 }

   138             }

   140             if (diagnosticListener != null)

   141                 context.put(DiagnosticListener.class, ccw.wrap(diagnosticListener));

   143             if (out == null)

   144                 context.put(Log.outKey, new PrintWriter(System.err, true));

   145             else

   146                 context.put(Log.outKey, new PrintWriter(out, true));

   148             if (fileManager == null)

   149                 fileManager = getStandardFileManager(diagnosticListener, null, null);

   150             fileManager = ccw.wrap(fileManager);

   152             context.put(JavaFileManager.class, fileManager);

   154             processOptions(context, fileManager, options);

   155             Main compiler = new Main("javacTask", context.get(Log.outKey));

   156             return new JavacTaskImpl(compiler, options, context, classes, compilationUnits);

   157         } catch (ClientCodeException ex) {

   158             throw new RuntimeException(ex.getCause());

   159         }

   160     }

   162     public static void processOptions(Context context,

   163                                        JavaFileManager fileManager,

   164                                        Iterable<String> options)

   165     {

   166         if (options == null)

   167             return;

   169         final Options optionTable = Options.instance(context);

   170         Log log = Log.instance(context);

   172         Option[] recognizedOptions =

   173                 Option.getJavacToolOptions().toArray(new Option[0]);

   174         OptionHelper optionHelper = new GrumpyHelper(log) {

   175             @Override

   176             public String get(Option option) {

   177                 return optionTable.get(option.getText());

   178             }

   180             @Override

   181             public void put(String name, String value) {

   182                 optionTable.put(name, value);

   183             }

   185             @Override

   186             public void remove(String name) {

   187                 optionTable.remove(name);

   188             }

   189         };

   191         Iterator<String> flags = options.iterator();

   192         while (flags.hasNext()) {

   193             String flag = flags.next();

   194             int j;

   195             for (j=0; j<recognizedOptions.length; j++)

   196                 if (recognizedOptions[j].matches(flag))

   197                     break;

   199             if (j == recognizedOptions.length) {

   200                 if (fileManager.handleOption(flag, flags)) {

   201                     continue;

   202                 } else {

   203                     String msg = log.localize(PrefixKind.JAVAC, "err.invalid.flag", flag);

   204                     throw new IllegalArgumentException(msg);

   205                 }

   206             }

   208             Option option = recognizedOptions[j];

   209             if (option.hasArg()) {

   210                 if (!flags.hasNext()) {

   211                     String msg = log.localize(PrefixKind.JAVAC, "err.req.arg", flag);

   212                     throw new IllegalArgumentException(msg);

   213                 }

   214                 String operand = flags.next();

   215                 if (option.process(optionHelper, flag, operand))

   216                     // should not happen as the GrumpyHelper will throw exceptions

   217                     // in case of errors

   218                     throw new IllegalArgumentException(flag + " " + operand);

   219             } else {

   220                 if (option.process(optionHelper, flag))

   221                     // should not happen as the GrumpyHelper will throw exceptions

   222                     // in case of errors

   223                     throw new IllegalArgumentException(flag);

   224             }

   225         }

   227         optionTable.notifyListeners();

   228     }

   230     public int run(InputStream in, OutputStream out, OutputStream err, String... arguments) {

   231         if (err == null)

   232             err = System.err;

   233         for (String argument : arguments)

   234             argument.getClass(); // null check

   235         return com.sun.tools.javac.Main.compile(arguments, new PrintWriter(err, true));

   236     }

   238     public Set<SourceVersion> getSourceVersions() {

   239         return Collections.unmodifiableSet(EnumSet.range(SourceVersion.RELEASE_3,

   240                                                          SourceVersion.latest()));

   241     }

   243     public int isSupportedOption(String option) {

   244         Set<Option> recognizedOptions = Option.getJavacToolOptions();

   245         for (Option o : recognizedOptions) {

   246             if (o.matches(option))

   247                 return o.hasArg() ? 1 : 0;

   248         }

   249         return -1;

   250     }

   252 }

Mercurial > jdk8-mips64-public > langtools / file revision

src/share/classes/com/sun/tools/javac/api/JavacTool.java@af8417e590f4

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