1 /*

     2  * Copyright (c) 2015, 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.

     8  *

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

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

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

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

    13  * accompanied this code).

    14  *

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

    16  * 2 along with this work; if not, write to the Free Software Foundation,

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

    18  *

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

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

    21  * questions.

    22  */

    23 

    24 import com.sun.tools.javac.parser.JavacParser;

    25 import com.sun.tools.javac.parser.ParserFactory;

    26 import com.sun.tools.javac.parser.ScannerFactory;

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

    28 

    29 /**

    30  *

    31  * @author Robert Field

    32  */

    33 class TrialParserFactory extends ParserFactory {

    34 

    35     public static ParserFactory instance(Context context) {

    36         ParserFactory instance = context.get(parserFactoryKey);

    37         if (instance == null) {

    38             instance = new TrialParserFactory(context);

    39         }

    40         return instance;

    41     }

    42 

    43     private final ScannerFactory scannerFactory;

    44 

    45     protected TrialParserFactory(Context context) {

    46         super(context);

    47         this.scannerFactory = ScannerFactory.instance(context);

    48     }

    49 

    50     @Override

    51     public JavacParser newParser(CharSequence input, boolean keepDocComments, boolean keepEndPos, boolean keepLineMap) {

    52         com.sun.tools.javac.parser.Lexer lexer = scannerFactory.newScanner(input, keepDocComments);

    53         return new TrialParser(this, lexer, keepDocComments, keepLineMap, keepEndPos);

    54     }

    55 }