jdk8-mips64-public/langtools: src/share/classes/com/sun/tools/javac/api/BasicJavacTask.java@c75be5bc5283

     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.IOException;

    29 import java.util.Collection;

    30 import java.util.Locale;

    32 import javax.annotation.processing.Processor;

    33 import javax.lang.model.element.Element;

    34 import javax.lang.model.type.TypeMirror;

    35 import javax.lang.model.util.Elements;

    36 import javax.lang.model.util.Types;

    37 import javax.tools.JavaFileObject;

    39 import com.sun.source.tree.CompilationUnitTree;

    40 import com.sun.source.tree.Tree;

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

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

    43 import com.sun.tools.javac.model.JavacElements;

    44 import com.sun.tools.javac.model.JavacTypes;

    45 import com.sun.tools.javac.tree.JCTree;

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

    48 /**

    49  * Provides basic functionality for implementations of JavacTask.

    50  *

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

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

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

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

    55  */

    56 public class BasicJavacTask extends JavacTask {

    57     protected Context context;

    58     private TaskListener taskListener;

    60     public BasicJavacTask(Context c, boolean register) {

    61         context = c;

    62         if (register)

    63             context.put(JavacTask.class, this);

    64     }

    66     @Override

    67     public Iterable<? extends CompilationUnitTree> parse() throws IOException {

    68         throw new IllegalStateException();

    69     }

    71     @Override

    72     public Iterable<? extends Element> analyze() throws IOException {

    73         throw new IllegalStateException();

    74     }

    76     @Override

    77     public Iterable<? extends JavaFileObject> generate() throws IOException {

    78         throw new IllegalStateException();

    79     }

    81     @Override

    82     public void setTaskListener(TaskListener tl) {

    83         MultiTaskListener mtl = MultiTaskListener.instance(context);

    84         if (taskListener != null)

    85             mtl.remove(taskListener);

    86         if (tl != null)

    87             mtl.add(tl);

    88         taskListener = tl;

    89     }

    91     @Override

    92     public void addTaskListener(TaskListener taskListener) {

    93         MultiTaskListener mtl = MultiTaskListener.instance(context);

    94         mtl.add(taskListener);

    95     }

    97     @Override

    98     public void removeTaskListener(TaskListener taskListener) {

    99         MultiTaskListener mtl = MultiTaskListener.instance(context);

   100         mtl.remove(taskListener);

   101     }

   103     public Collection<TaskListener> getTaskListeners() {

   104         MultiTaskListener mtl = MultiTaskListener.instance(context);

   105         return mtl.getTaskListeners();

   106     }

   108     @Override

   109     public TypeMirror getTypeMirror(Iterable<? extends Tree> path) {

   110         // TODO: Should complete attribution if necessary

   111         Tree last = null;

   112         for (Tree node : path)

   113             last = node;

   114         return ((JCTree)last).type;

   115     }

   117     @Override

   118     public Elements getElements() {

   119         return JavacElements.instance(context);

   120     }

   122     @Override

   123     public Types getTypes() {

   124         return JavacTypes.instance(context);

   125     }

   127     public void setProcessors(Iterable<? extends Processor> processors) {

   128         throw new IllegalStateException();

   129     }

   131     public void setLocale(Locale locale) {

   132         throw new IllegalStateException();

   133     }

   135     public Boolean call() {

   136         throw new IllegalStateException();

   137     }

   139     /**

   140      * For internal use only.  This method will be

   141      * removed without warning.

   142      */

   143     public void updateContext(Context newContext) {

   144         context = newContext;

   145     }

   146 }

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