/**
* This file Copyright (c) 2005-2008 Aptana, Inc. This program is
* dual-licensed under both the Aptana Public License and the GNU General
* Public license. You may elect to use one or the other of these licenses.
*
* This program is distributed in the hope that it will be useful, but
* AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or
* NONINFRINGEMENT. Redistribution, except as permitted by whichever of
* the GPL or APL you select, is prohibited.
*
* 1. For the GPL license (GPL), you can redistribute and/or modify this
* program under the terms of the GNU General Public License,
* Version 3, as published by the Free Software Foundation. You should
* have received a copy of the GNU General Public License, Version 3 along
* with this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Aptana provides a special exception to allow redistribution of this file
* with certain other free and open source software ("FOSS") code and certain additional terms
* pursuant to Section 7 of the GPL. You may view the exception and these
* terms on the web at http://www.aptana.com/legal/gpl/.
*
* 2. For the Aptana Public License (APL), this program and the
* accompanying materials are made available under the terms of the APL
* v1.0 which accompanies this distribution, and is available at
* http://www.aptana.com/legal/apl/.
*
* You may view the GPL, Aptana's exception and additional terms, and the
* APL in the file titled license.html at the root of the corresponding
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*
* Any modifications to this file must keep this entire header intact.
*/
package com.aptana.ide.parsing.bnf.tests;
import com.aptana.ide.parsing.bnf.TerminalList;
import com.aptana.ide.parsing.bnf.nodes.GrammarNode;
/**
* @author Kevin Lindsey
*
*/
public class FollowSetTest {
/**
* main
*
* @param args
*/
public static void main(String[] args) {
showFollowSets(FactoredGrammar.getGrammar());
showFollowSets(SampleGrammar.getGrammar());
}
private static void showFollowSets(GrammarNode grammar) {
GrammarNode expandedGrammar = grammar.getExpandedGrammar();
// System.out.println("Follow Sets");
// System.out.println("===========");
// showFollow(grammar);
// System.out.println();
System.out.println("Expanded Follow Sets");
System.out.println("====================");
showFollow(expandedGrammar);
System.out.println();
}
private static void showFollow(GrammarNode grammar) {
String[] productionNames = grammar.getProductionNames();
for (int i = 0; i < productionNames.length; i++) {
String name = productionNames[i];
TerminalList terminals = grammar.getFollow(name);
System.out.println("FOLLOW(" + name + ") = " + terminals);
}
}
}