jdk8-mips64-public/langtools: src/share/classes/com/sun/tools/javac/parser/ScannerFactory.java@3c9b64e55c5d

6877202: Elements.getDocComment() is not getting JavaDocComments
6861094: javac -Xprint <file> does not print comments
6985205: access to tree positions and doc comments may be lost across annotation processing rounds
Reviewed-by: darcy

     1 /*

     2  * Copyright (c) 1999, 2010, 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.parser;

    28 import java.nio.CharBuffer;

    30 import com.sun.tools.javac.code.Source;

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

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

    33 import com.sun.tools.javac.util.Names;

    36 /**

    37  * A factory for creating scanners.

    38  *

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

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

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

    42  *  or deletion without notice.</b>

    43  */

    44 public class ScannerFactory {

    45     /** The context key for the scanner factory. */

    46     public static final Context.Key<ScannerFactory> scannerFactoryKey =

    47         new Context.Key<ScannerFactory>();

    49     /** Get the Factory instance for this context. */

    50     public static ScannerFactory instance(Context context) {

    51         ScannerFactory instance = context.get(scannerFactoryKey);

    52         if (instance == null)

    53             instance = new ScannerFactory(context);

    54         return instance;

    55     }

    57     final Log log;

    58     final Names names;

    59     final Source source;

    60     final Keywords keywords;

    62     /** Create a new scanner factory. */

    63     protected ScannerFactory(Context context) {

    64         context.put(scannerFactoryKey, this);

    65         this.log = Log.instance(context);

    66         this.names = Names.instance(context);

    67         this.source = Source.instance(context);

    68         this.keywords = Keywords.instance(context);

    69     }

    71     public Scanner newScanner(CharSequence input, boolean keepDocComments) {

    72         if (input instanceof CharBuffer) {

    73             CharBuffer buf = (CharBuffer) input;

    74             if (keepDocComments)

    75                 return new DocCommentScanner(this, buf);

    76             else

    77                 return new Scanner(this, buf);

    78         } else {

    79             char[] array = input.toString().toCharArray();

    80             return newScanner(array, array.length, keepDocComments);

    81         }

    82     }

    84     public Scanner newScanner(char[] input, int inputLength, boolean keepDocComments) {

    85         if (keepDocComments)

    86             return new DocCommentScanner(this, input, inputLength);

    87         else

    88             return new Scanner(this, input, inputLength);

    89     }

    90 }

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

src/share/classes/com/sun/tools/javac/parser/ScannerFactory.java@3c9b64e55c5d

src/share/classes/com/sun/tools/javac/parser/ScannerFactory.java