/*
* GrammarParser.java
*
* THIS FILE HAS BEEN GENERATED AUTOMATICALLY. DO NOT EDIT!
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 3
* of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307, USA.
*
* Copyright (c) 2003-2009 Per Cederberg. All rights reserved.
*/
package net.percederberg.grammatica;
import java.io.Reader;
import net.percederberg.grammatica.parser.ParserCreationException;
import net.percederberg.grammatica.parser.ProductionPattern;
import net.percederberg.grammatica.parser.ProductionPatternAlternative;
import net.percederberg.grammatica.parser.RecursiveDescentParser;
import net.percederberg.grammatica.parser.Tokenizer;
/**
* A token stream parser.
*
* @author Per Cederberg, <per at percederberg dot net>
* @version 1.5
*/
class GrammarParser extends RecursiveDescentParser {
/**
* A generated production node identity constant.
*/
private static final int SUBPRODUCTION_1 = 3001;
/**
* A generated production node identity constant.
*/
private static final int SUBPRODUCTION_2 = 3002;
/**
* A generated production node identity constant.
*/
private static final int SUBPRODUCTION_3 = 3003;
/**
* A generated production node identity constant.
*/
private static final int SUBPRODUCTION_4 = 3004;
/**
* Creates a new parser with a default analyzer.
*
* @param in the input stream to read from
*
* @throws ParserCreationException if the parser couldn't be
* initialized correctly
*/
public GrammarParser(Reader in) throws ParserCreationException {
super(in);
createPatterns();
}
/**
* Creates a new parser.
*
* @param in the input stream to read from
* @param analyzer the analyzer to use while parsing
*
* @throws ParserCreationException if the parser couldn't be
* initialized correctly
*/
public GrammarParser(Reader in, GrammarAnalyzer analyzer)
throws ParserCreationException {
super(in, analyzer);
createPatterns();
}
/**
* Creates a new tokenizer for this parser. Can be overridden by a
* subclass to provide a custom implementation.
*
* @param in the input stream to read from
*
* @return the tokenizer created
*
* @throws ParserCreationException if the tokenizer couldn't be
* initialized correctly
*/
protected Tokenizer newTokenizer(Reader in)
throws ParserCreationException {
return new GrammarTokenizer(in);
}
/**
* Initializes the parser by creating all the production patterns.
*
* @throws ParserCreationException if the parser couldn't be
* initialized correctly
*/
private void createPatterns() throws ParserCreationException {
ProductionPattern pattern;
ProductionPatternAlternative alt;
pattern = new ProductionPattern(GrammarConstants.GRAMMAR,
"Grammar");
alt = new ProductionPatternAlternative();
alt.addProduction(GrammarConstants.HEADER_PART, 0, 1);
alt.addProduction(GrammarConstants.TOKEN_PART, 1, 1);
alt.addProduction(GrammarConstants.PRODUCTION_PART, 0, 1);
pattern.addAlternative(alt);
addPattern(pattern);
pattern = new ProductionPattern(GrammarConstants.HEADER_PART,
"HeaderPart");
alt = new ProductionPatternAlternative();
alt.addToken(GrammarConstants.HEADER, 1, 1);
alt.addProduction(GrammarConstants.HEADER_DECLARATION, 0, -1);
pattern.addAlternative(alt);
addPattern(pattern);
pattern = new ProductionPattern(GrammarConstants.HEADER_DECLARATION,
"HeaderDeclaration");
alt = new ProductionPatternAlternative();
alt.addToken(GrammarConstants.IDENTIFIER, 1, 1);
alt.addToken(GrammarConstants.EQUALS, 1, 1);
alt.addToken(GrammarConstants.QUOTED_STRING, 1, 1);
pattern.addAlternative(alt);
addPattern(pattern);
pattern = new ProductionPattern(GrammarConstants.TOKEN_PART,
"TokenPart");
alt = new ProductionPatternAlternative();
alt.addToken(GrammarConstants.TOKENS, 1, 1);
alt.addProduction(GrammarConstants.TOKEN_DECLARATION, 0, -1);
pattern.addAlternative(alt);
addPattern(pattern);
pattern = new ProductionPattern(GrammarConstants.TOKEN_DECLARATION,
"TokenDeclaration");
alt = new ProductionPatternAlternative();
alt.addToken(GrammarConstants.IDENTIFIER, 1, 1);
alt.addToken(GrammarConstants.EQUALS, 1, 1);
alt.addProduction(GrammarConstants.TOKEN_VALUE, 1, 1);
alt.addProduction(GrammarConstants.TOKEN_HANDLING, 0, 1);
pattern.addAlternative(alt);
addPattern(pattern);
pattern = new ProductionPattern(GrammarConstants.TOKEN_VALUE,
"TokenValue");
alt = new ProductionPatternAlternative();
alt.addToken(GrammarConstants.QUOTED_STRING, 1, 1);
pattern.addAlternative(alt);
alt = new ProductionPatternAlternative();
alt.addToken(GrammarConstants.REGEXP, 1, 1);
pattern.addAlternative(alt);
addPattern(pattern);
pattern = new ProductionPattern(GrammarConstants.TOKEN_HANDLING,
"TokenHandling");
alt = new ProductionPatternAlternative();
alt.addToken(GrammarConstants.IGNORE, 1, 1);
pattern.addAlternative(alt);
alt = new ProductionPatternAlternative();
alt.addToken(GrammarConstants.ERROR, 1, 1);
pattern.addAlternative(alt);
addPattern(pattern);
pattern = new ProductionPattern(GrammarConstants.PRODUCTION_PART,
"ProductionPart");
alt = new ProductionPatternAlternative();
alt.addToken(GrammarConstants.PRODUCTIONS, 1, 1);
alt.addProduction(GrammarConstants.PRODUCTION_DECLARATION, 0, -1);
pattern.addAlternative(alt);
addPattern(pattern);
pattern = new ProductionPattern(GrammarConstants.PRODUCTION_DECLARATION,
"ProductionDeclaration");
alt = new ProductionPatternAlternative();
alt.addToken(GrammarConstants.IDENTIFIER, 1, 1);
alt.addToken(GrammarConstants.EQUALS, 1, 1);
alt.addProduction(GrammarConstants.PRODUCTION, 1, 1);
alt.addToken(GrammarConstants.SEMICOLON, 1, 1);
pattern.addAlternative(alt);
addPattern(pattern);
pattern = new ProductionPattern(GrammarConstants.PRODUCTION,
"Production");
alt = new ProductionPatternAlternative();
alt.addProduction(GrammarConstants.PRODUCTION_ATOM, 1, -1);
alt.addProduction(SUBPRODUCTION_1, 0, 1);
pattern.addAlternative(alt);
addPattern(pattern);
pattern = new ProductionPattern(GrammarConstants.PRODUCTION_ATOM,
"ProductionAtom");
alt = new ProductionPatternAlternative();
alt.addToken(GrammarConstants.IDENTIFIER, 1, 1);
alt.addProduction(SUBPRODUCTION_2, 0, 1);
pattern.addAlternative(alt);
alt = new ProductionPatternAlternative();
alt.addToken(GrammarConstants.QUOTED_STRING, 1, 1);
alt.addProduction(SUBPRODUCTION_3, 0, 1);
pattern.addAlternative(alt);
alt = new ProductionPatternAlternative();
alt.addToken(GrammarConstants.LEFT_PAREN, 1, 1);
alt.addProduction(GrammarConstants.PRODUCTION, 1, 1);
alt.addToken(GrammarConstants.RIGHT_PAREN, 1, 1);
alt.addProduction(SUBPRODUCTION_4, 0, 1);
pattern.addAlternative(alt);
alt = new ProductionPatternAlternative();
alt.addToken(GrammarConstants.LEFT_BRACE, 1, 1);
alt.addProduction(GrammarConstants.PRODUCTION, 1, 1);
alt.addToken(GrammarConstants.RIGHT_BRACE, 1, 1);
pattern.addAlternative(alt);
alt = new ProductionPatternAlternative();
alt.addToken(GrammarConstants.LEFT_BRACKET, 1, 1);
alt.addProduction(GrammarConstants.PRODUCTION, 1, 1);
alt.addToken(GrammarConstants.RIGHT_BRACKET, 1, 1);
pattern.addAlternative(alt);
addPattern(pattern);
pattern = new ProductionPattern(SUBPRODUCTION_1,
"Subproduction1");
pattern.setSynthetic(true);
alt = new ProductionPatternAlternative();
alt.addToken(GrammarConstants.VERTICAL_BAR, 1, 1);
alt.addProduction(GrammarConstants.PRODUCTION, 1, 1);
pattern.addAlternative(alt);
addPattern(pattern);
pattern = new ProductionPattern(SUBPRODUCTION_2,
"Subproduction2");
pattern.setSynthetic(true);
alt = new ProductionPatternAlternative();
alt.addToken(GrammarConstants.QUESTION_MARK, 1, 1);
pattern.addAlternative(alt);
alt = new ProductionPatternAlternative();
alt.addToken(GrammarConstants.ASTERISK, 1, 1);
pattern.addAlternative(alt);
alt = new ProductionPatternAlternative();
alt.addToken(GrammarConstants.PLUS_SIGN, 1, 1);
pattern.addAlternative(alt);
addPattern(pattern);
pattern = new ProductionPattern(SUBPRODUCTION_3,
"Subproduction3");
pattern.setSynthetic(true);
alt = new ProductionPatternAlternative();
alt.addToken(GrammarConstants.QUESTION_MARK, 1, 1);
pattern.addAlternative(alt);
alt = new ProductionPatternAlternative();
alt.addToken(GrammarConstants.ASTERISK, 1, 1);
pattern.addAlternative(alt);
alt = new ProductionPatternAlternative();
alt.addToken(GrammarConstants.PLUS_SIGN, 1, 1);
pattern.addAlternative(alt);
addPattern(pattern);
pattern = new ProductionPattern(SUBPRODUCTION_4,
"Subproduction4");
pattern.setSynthetic(true);
alt = new ProductionPatternAlternative();
alt.addToken(GrammarConstants.QUESTION_MARK, 1, 1);
pattern.addAlternative(alt);
alt = new ProductionPatternAlternative();
alt.addToken(GrammarConstants.ASTERISK, 1, 1);
pattern.addAlternative(alt);
alt = new ProductionPatternAlternative();
alt.addToken(GrammarConstants.PLUS_SIGN, 1, 1);
pattern.addAlternative(alt);
addPattern(pattern);
}
}