/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* JBoss, Home of Professional Open Source
* Copyright 2012 Red Hat Inc. and/or its affiliates and other contributors
* as indicated by the @authors tag. All rights reserved.
* See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU Lesser General Public License, v. 2.1.
* This program is distributed in the hope that it will be useful, but WITHOUT A
* 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,
* v.2.1 along with this distribution; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
package org.hibernate.hql.test.grammars;
import org.antlr.runtime.ANTLRStringStream;
import org.antlr.runtime.CommonTokenStream;
import org.antlr.runtime.RecognitionException;
import org.antlr.runtime.tree.CommonTree;
import org.hibernate.hql.ast.origin.hql.parse.HQLLexer;
import org.hibernate.hql.ast.origin.hql.parse.HQLParser;
import org.hibernate.hql.ast.origin.hql.parse.HQLParser.statement_return;
/**
* Example of usage for the generated parser; useful to debug a specific syntax too.
* Outputs both the lexer output and the Abstract Syntax Tree.
*
* @author Sanne Grinovero <sanne@hibernate.org> (C) 2012 Red Hat Inc.
*/
public class SingleParserTest {
public static void main(String[] args) throws RecognitionException {
String testCase = "select an.mother.id, max(an.bodyWeight) from Animal an group by an.mother.id having max(an.bodyWeight)>1.0";
ANTLRStringStream antlrStream = new ANTLRStringStream( testCase );
HQLLexer lexer = new HQLLexer( antlrStream );
CommonTokenStream tokens = new CommonTokenStream( lexer );
HQLParser parser = new HQLParser( tokens );
statement_return statement = parser.statement();
System.out.println( tokens.getTokens() );
CommonTree tree = (CommonTree) statement.getTree();
System.out.println( tree.toStringTree() );
}
}