jdk8-mips64-public/langtools: src/share/classes/com/sun/tools/javac/api/JavacTool.java@cb119107aeea

7026509: Cannot use JavaCompiler to create multiple CompilationTasks for partial compilations
Reviewed-by: mcimadamore

     1 /*

     2  * Copyright (c) 2005, 2011, 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.File;

    29 import java.io.InputStream;

    30 import java.io.OutputStream;

    31 import java.io.PrintWriter;

    32 import java.io.Writer;

    33 import java.util.ArrayList;

    34 import java.util.Collections;

    35 import java.util.EnumSet;

    36 import java.util.Iterator;

    37 import java.util.List;

    38 import java.util.Locale;

    39 import java.util.Set;

    40 import javax.lang.model.SourceVersion;

    41 import javax.tools.*;

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

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

    45 import com.sun.tools.javac.main.JavacOption.OptionKind;

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

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

    48 import com.sun.tools.javac.main.RecognizedOptions.GrumpyHelper;

    49 import com.sun.tools.javac.main.RecognizedOptions;

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

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

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

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

    54 import com.sun.tools.javac.util.Pair;

    55 import java.nio.charset.Charset;

    57 /**

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

    59  *

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

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

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

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

    64  *

    65  * @author Peter von der Ah\u00e9

    66  */

    67 public final class JavacTool implements JavaCompiler {

    68     private final List<Pair<String,String>> options

    69         = new ArrayList<Pair<String,String>>();

    70     private final Context dummyContext = new Context();

    72     private final PrintWriter silent = new PrintWriter(new OutputStream(){

    73         public void write(int b) {}

    74     });

    76     private final Main sharedCompiler = new Main("javac", silent);

    77     {

    78         sharedCompiler.setOptions(Options.instance(dummyContext));

    79     }

    81     /**

    82      * Constructor used by service provider mechanism.  The correct way to

    83      * obtain an instance of this class is using create or the service provider

    84      * mechanism.

    85      * @see javax.tools.JavaCompilerTool

    86      * @see javax.tools.ToolProvider

    87      * @see #create

    88      */

    89     @Deprecated

    90     public JavacTool() {}

    92     /**

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

    94      * @return new instance of this tool

    95      */

    96     public static JavacTool create() {

    97         return new JavacTool();

    98     }

   100     private String argsToString(Object... args) {

   101         String newArgs = null;

   102         if (args.length > 0) {

   103             StringBuilder sb = new StringBuilder();

   104             String separator = "";

   105             for (Object arg : args) {

   106                 sb.append(separator).append(arg.toString());

   107                 separator = File.pathSeparator;

   108             }

   109             newArgs = sb.toString();

   110         }

   111         return newArgs;

   112     }

   114     private void setOption1(String name, OptionKind kind, Object... args) {

   115         String arg = argsToString(args);

   116         JavacOption option = sharedCompiler.getOption(name);

   117         if (option == null || !match(kind, option.getKind()))

   118             throw new IllegalArgumentException(name);

   119         if ((args.length != 0) != option.hasArg())

   120             throw new IllegalArgumentException(name);

   121         if (option.hasArg()) {

   122             if (option.process(null, name, arg)) // FIXME

   123                 throw new IllegalArgumentException(name);

   124         } else {

   125             if (option.process(null, name)) // FIXME

   126                 throw new IllegalArgumentException(name);

   127         }

   128         options.add(new Pair<String,String>(name,arg));

   129     }

   131     public void setOption(String name, Object... args) {

   132         setOption1(name, OptionKind.NORMAL, args);

   133     }

   135     public void setExtendedOption(String name, Object... args)  {

   136         setOption1(name, OptionKind.EXTENDED, args);

   137     }

   139     private static boolean match(OptionKind clientKind, OptionKind optionKind) {

   140         return (clientKind == (optionKind == OptionKind.HIDDEN ? OptionKind.EXTENDED : optionKind));

   141     }

   143     public JavacFileManager getStandardFileManager(

   144         DiagnosticListener<? super JavaFileObject> diagnosticListener,

   145         Locale locale,

   146         Charset charset) {

   147         Context context = new Context();

   148         JavacMessages.instance(context).setCurrentLocale(locale);

   149         if (diagnosticListener != null)

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

   151         context.put(Log.outKey, new PrintWriter(System.err, true)); // FIXME

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

   153     }

   155     public JavacTask getTask(Writer out,

   156                              JavaFileManager fileManager,

   157                              DiagnosticListener<? super JavaFileObject> diagnosticListener,

   158                              Iterable<String> options,

   159                              Iterable<String> classes,

   160                              Iterable<? extends JavaFileObject> compilationUnits)

   161     {

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

   163         if (options != null)

   164             for (String option : options)

   165                 option.getClass(); // null check

   166         if (classes != null) {

   167             for (String cls : classes)

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

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

   170         }

   171         if (compilationUnits != null) {

   172             for (JavaFileObject cu : compilationUnits) {

   173                 if (cu.getKind() != JavaFileObject.Kind.SOURCE) // implicit null check

   174                     throw new IllegalArgumentException(kindMsg);

   175             }

   176         }

   178         Context context = new Context();

   180         if (diagnosticListener != null)

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

   183         if (out == null)

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

   185         else

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

   188         if (fileManager == null)

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

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

   191         processOptions(context, fileManager, options);

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

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

   194     }

   196     private static void processOptions(Context context,

   197                                        JavaFileManager fileManager,

   198                                        Iterable<String> options)

   199     {

   200         if (options == null)

   201             return;

   203         Options optionTable = Options.instance(context);

   205         JavacOption[] recognizedOptions =

   206             RecognizedOptions.getJavacToolOptions(new GrumpyHelper());

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

   208         while (flags.hasNext()) {

   209             String flag = flags.next();

   210             int j;

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

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

   213                     break;

   215             if (j == recognizedOptions.length) {

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

   217                     continue;

   218                 } else {

   219                     String msg = Main.getLocalizedString("err.invalid.flag", flag);

   220                     throw new IllegalArgumentException(msg);

   221                 }

   222             }

   224             JavacOption option = recognizedOptions[j];

   225             if (option.hasArg()) {

   226                 if (!flags.hasNext()) {

   227                     String msg = Main.getLocalizedString("err.req.arg", flag);

   228                     throw new IllegalArgumentException(msg);

   229                 }

   230                 String operand = flags.next();

   231                 if (option.process(optionTable, flag, operand))

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

   233                     // in case of errors

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

   235             } else {

   236                 if (option.process(optionTable, flag))

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

   238                     // in case of errors

   239                     throw new IllegalArgumentException(flag);

   240             }

   241         }

   242     }

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

   245         if (err == null)

   246             err = System.err;

   247         for (String argument : arguments)

   248             argument.getClass(); // null check

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

   250     }

   252     public Set<SourceVersion> getSourceVersions() {

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

   254                                                          SourceVersion.latest()));

   255     }

   257     public int isSupportedOption(String option) {

   258         JavacOption[] recognizedOptions =

   259             RecognizedOptions.getJavacToolOptions(new GrumpyHelper());

   260         for (JavacOption o : recognizedOptions) {

   261             if (o.matches(option))

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

   263         }

   264         return -1;

   265     }

   267 }

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

src/share/classes/com/sun/tools/javac/api/JavacTool.java@cb119107aeea

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