/******************************************************************************* | |
* Copyright (c) 1998, 2013 Oracle and/or its affiliates. All rights reserved. | |
* This program and the accompanying materials are made available under the | |
* terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0 | |
* which accompanies this distribution. | |
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html | |
* and the Eclipse Distribution License is available at | |
* http://www.eclipse.org/org/documents/edl-v10.php. | |
* | |
* Contributors: | |
* Oracle - initial API and implementation from Oracle TopLink | |
******************************************************************************/ | |
package org.eclipse.persistence.internal.jpa.parsing.jpql.antlr; | |
import org.eclipse.persistence.internal.libraries.antlr.runtime.*; | |
//import org.eclipse.persistence.internal.libraries.antlr.TokenBuffer; | |
//eclipselink imports | |
import org.eclipse.persistence.internal.jpa.parsing.jpql.CaseInsensitiveJPQLLexer; | |
import org.eclipse.persistence.internal.jpa.parsing.jpql.CaseInsensitiveANTLRStringStream; | |
import org.eclipse.persistence.internal.jpa.parsing.jpql.antlr.JPQLParser; | |
/***************************************************************** | |
* EJBQLParserBuilder constructs the parser for EJBQL. | |
* This is specific to ANTLR version 2.7.3 | |
***************************************************************** | |
*/ | |
public class JPQLParserBuilder { | |
/** | |
* INTERNAL | |
* Build a parser for the passed ejbql string, for ANTLR version 2.7.3 | |
*/ | |
public static JPQLParser buildParser(String queryText) { | |
JPQLLexer lexer = new CaseInsensitiveJPQLLexer(); | |
lexer.setCharStream(new CaseInsensitiveANTLRStringStream(queryText)); | |
CommonTokenStream tokens = new CommonTokenStream(); | |
tokens.setTokenSource(lexer); | |
JPQLParser parser = new JPQLParser(tokens); | |
return parser; | |
} | |
} |