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src/share/classes/com/sun/tools/javac/parser/ParserFactory.java@7375d4979bd3 (annotated)

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

Mon, 14 Nov 2011 15:11:10 -0800

author

ksrini

date

Mon, 14 Nov 2011 15:11:10 -0800

changeset 1138

7375d4979bd3

parent 1113

d346ab55031b

child 1409

33abf479f202

permissions

-rw-r--r--

7106166: (javac) re-factor EndPos parser
Reviewed-by: jjg

jjg@111	1	/*
ksrini@1138	2	* Copyright (c) 1999, 2011, Oracle and/or its affiliates. All rights reserved.
jjg@111	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
jjg@111	4	*
jjg@111	5	* This code is free software; you can redistribute it and/or modify it
jjg@111	6	* under the terms of the GNU General Public License version 2 only, as
ohair@554	7	* published by the Free Software Foundation. Oracle designates this
jjg@111	8	* particular file as subject to the "Classpath" exception as provided
ohair@554	9	* by Oracle in the LICENSE file that accompanied this code.
jjg@111	10	*
jjg@111	11	* This code is distributed in the hope that it will be useful, but WITHOUT
jjg@111	12	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
jjg@111	13	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
jjg@111	14	* version 2 for more details (a copy is included in the LICENSE file that
jjg@111	15	* accompanied this code).
jjg@111	16	*
jjg@111	17	* You should have received a copy of the GNU General Public License version
jjg@111	18	* 2 along with this work; if not, write to the Free Software Foundation,
jjg@111	19	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
jjg@111	20	*
ohair@554	21	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
ohair@554	22	* or visit www.oracle.com if you need additional information or have any
ohair@554	23	* questions.
jjg@111	24	*/
jjg@111	25
jjg@111	26	package com.sun.tools.javac.parser;
jjg@111	27
jjg@111	28	import com.sun.tools.javac.code.Source;
jjg@111	29	import com.sun.tools.javac.tree.TreeMaker;
jjg@111	30	import com.sun.tools.javac.util.Context;
jjg@111	31	import com.sun.tools.javac.util.Log;
jjg@113	32	import com.sun.tools.javac.util.Names;
jjg@111	33	import com.sun.tools.javac.util.Options;
jjg@111	34
jjg@111	35	/**
jjg@111	36	* A factory for creating parsers.
jjg@333	37	*
jjg@581	38	* <p><b>This is NOT part of any supported API.
jjg@333	39	* If you write code that depends on this, you do so at your own risk.
jjg@333	40	* This code and its internal interfaces are subject to change or
jjg@333	41	* deletion without notice.</b>
jjg@111	42	*/
jjg@111	43	public class ParserFactory {
jjg@111	44
jjg@111	45	/** The context key for the parser factory. */
jjg@111	46	protected static final Context.Key<ParserFactory> parserFactoryKey = new Context.Key<ParserFactory>();
jjg@111	47
jjg@111	48	public static ParserFactory instance(Context context) {
jjg@111	49	ParserFactory instance = context.get(parserFactoryKey);
jjg@111	50	if (instance == null) {
jjg@111	51	instance = new ParserFactory(context);
jjg@111	52	}
jjg@111	53	return instance;
jjg@111	54	}
jjg@111	55
jjg@111	56	final TreeMaker F;
jjg@111	57	final Log log;
mcimadamore@1113	58	final Tokens tokens;
jjg@111	59	final Source source;
jjg@113	60	final Names names;
jjg@111	61	final Options options;
jjg@695	62	final ScannerFactory scannerFactory;
jjg@111	63
jjg@111	64	protected ParserFactory(Context context) {
jjg@111	65	super();
jjg@111	66	context.put(parserFactoryKey, this);
jjg@111	67	this.F = TreeMaker.instance(context);
jjg@111	68	this.log = Log.instance(context);
jjg@113	69	this.names = Names.instance(context);
mcimadamore@1113	70	this.tokens = Tokens.instance(context);
jjg@111	71	this.source = Source.instance(context);
jjg@111	72	this.options = Options.instance(context);
jjg@695	73	this.scannerFactory = ScannerFactory.instance(context);
jjg@111	74	}
jjg@111	75
jjg@111	76	public Parser newParser(CharSequence input, boolean keepDocComments, boolean keepEndPos, boolean keepLineMap) {
jjg@695	77	Lexer lexer = scannerFactory.newScanner(input, keepDocComments);
ksrini@1138	78	return new JavacParser(this, lexer, keepDocComments, keepLineMap, keepEndPos);
jjg@111	79	}
jjg@111	80	}