/*******************************************************************************
 * Copyright (c) 2010-2015 Henshin developers. All rights reserved. 
 * This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     TU Berlin, University of Luxembourg, SES S.A.
 *******************************************************************************/
package lu.uni.snt.whileDSL.serializer;

import com.google.inject.Inject;
import java.util.List;
import lu.uni.snt.whileDSL.services.WHILEGrammarAccess;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.xtext.IGrammarAccess;
import org.eclipse.xtext.RuleCall;
import org.eclipse.xtext.nodemodel.INode;
import org.eclipse.xtext.serializer.analysis.GrammarAlias.AbstractElementAlias;
import org.eclipse.xtext.serializer.analysis.ISyntacticSequencerPDAProvider.ISynTransition;
import org.eclipse.xtext.serializer.sequencer.AbstractSyntacticSequencer;

@SuppressWarnings("all")
public class WHILESyntacticSequencer extends AbstractSyntacticSequencer {

	protected WHILEGrammarAccess grammarAccess;
	
	@Inject
	protected void init(IGrammarAccess access) {
		grammarAccess = (WHILEGrammarAccess) access;
	}
	
	@Override
	protected String getUnassignedRuleCallToken(EObject semanticObject, RuleCall ruleCall, INode node) {
		return "";
	}
	
	
	@Override
	protected void emitUnassignedTokens(EObject semanticObject, ISynTransition transition, INode fromNode, INode toNode) {
		if (transition.getAmbiguousSyntaxes().isEmpty()) return;
		List<INode> transitionNodes = collectNodes(fromNode, toNode);
		for (AbstractElementAlias syntax : transition.getAmbiguousSyntaxes()) {
			List<INode> syntaxNodes = getNodesFor(transitionNodes, syntax);
			acceptNodes(getLastNavigableState(), syntaxNodes);
		}
	}

}