BaseParser.java example

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/*******************************************************************************
 * Copyright (c) 2011, 2016 Willink Transformations and others.
 * 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:
 *     E.D.Willink - initial API and implementation
 *******************************************************************************/
package org.eclipse.ocl.xtext.base.ui.contentassist.antlr;

import java.util.Collection;
import java.util.Map;
import java.util.HashMap;

import org.antlr.runtime.RecognitionException;
import org.eclipse.xtext.AbstractElement;
import org.eclipse.xtext.ui.editor.contentassist.antlr.AbstractContentAssistParser;
import org.eclipse.xtext.ui.editor.contentassist.antlr.FollowElement;
import org.eclipse.xtext.ui.editor.contentassist.antlr.internal.AbstractInternalContentAssistParser;

import com.google.inject.Inject;

import org.eclipse.ocl.xtext.base.services.BaseGrammarAccess;

public class BaseParser extends AbstractContentAssistParser {
	
	@Inject
	private BaseGrammarAccess grammarAccess;
	
	private Map<AbstractElement, String> nameMappings;
	
	@Override
	protected org.eclipse.ocl.xtext.base.ui.contentassist.antlr.internal.InternalBaseParser createParser() {
		org.eclipse.ocl.xtext.base.ui.contentassist.antlr.internal.InternalBaseParser result = new org.eclipse.ocl.xtext.base.ui.contentassist.antlr.internal.InternalBaseParser(null);
		result.setGrammarAccess(grammarAccess);
		return result;
	}
	
	@Override
	protected String getRuleName(AbstractElement element) {
		if (nameMappings == null) {
			nameMappings = new HashMap<AbstractElement, String>() {
				private static final long serialVersionUID = 1L;
				{
					put(grammarAccess.getMultiplicityCSAccess().getAlternatives_1(), "rule__MultiplicityCS__Alternatives_1");
					put(grammarAccess.getMultiplicityCSAccess().getAlternatives_2(), "rule__MultiplicityCS__Alternatives_2");
					put(grammarAccess.getMultiplicityStringCSAccess().getStringBoundsAlternatives_0(), "rule__MultiplicityStringCS__StringBoundsAlternatives_0");
					put(grammarAccess.getTypeRefCSAccess().getAlternatives(), "rule__TypeRefCS__Alternatives");
					put(grammarAccess.getIDAccess().getAlternatives(), "rule__ID__Alternatives");
					put(grammarAccess.getUPPERAccess().getAlternatives(), "rule__UPPER__Alternatives");
					put(grammarAccess.getMultiplicityBoundsCSAccess().getGroup(), "rule__MultiplicityBoundsCS__Group__0");
					put(grammarAccess.getMultiplicityBoundsCSAccess().getGroup_1(), "rule__MultiplicityBoundsCS__Group_1__0");
					put(grammarAccess.getMultiplicityCSAccess().getGroup(), "rule__MultiplicityCS__Group__0");
					put(grammarAccess.getPathNameCSAccess().getGroup(), "rule__PathNameCS__Group__0");
					put(grammarAccess.getPathNameCSAccess().getGroup_1(), "rule__PathNameCS__Group_1__0");
					put(grammarAccess.getTemplateBindingCSAccess().getGroup(), "rule__TemplateBindingCS__Group__0");
					put(grammarAccess.getTemplateBindingCSAccess().getGroup_1(), "rule__TemplateBindingCS__Group_1__0");
					put(grammarAccess.getTemplateSignatureCSAccess().getGroup(), "rule__TemplateSignatureCS__Group__0");
					put(grammarAccess.getTemplateSignatureCSAccess().getGroup_2(), "rule__TemplateSignatureCS__Group_2__0");
					put(grammarAccess.getTypeParameterCSAccess().getGroup(), "rule__TypeParameterCS__Group__0");
					put(grammarAccess.getTypeParameterCSAccess().getGroup_1(), "rule__TypeParameterCS__Group_1__0");
					put(grammarAccess.getTypeParameterCSAccess().getGroup_1_2(), "rule__TypeParameterCS__Group_1_2__0");
					put(grammarAccess.getTypedTypeRefCSAccess().getGroup(), "rule__TypedTypeRefCS__Group__0");
					put(grammarAccess.getTypedTypeRefCSAccess().getGroup_1(), "rule__TypedTypeRefCS__Group_1__0");
					put(grammarAccess.getWildcardTypeRefCSAccess().getGroup(), "rule__WildcardTypeRefCS__Group__0");
					put(grammarAccess.getWildcardTypeRefCSAccess().getGroup_2(), "rule__WildcardTypeRefCS__Group_2__0");
					put(grammarAccess.getMultiplicityBoundsCSAccess().getLowerBoundAssignment_0(), "rule__MultiplicityBoundsCS__LowerBoundAssignment_0");
					put(grammarAccess.getMultiplicityBoundsCSAccess().getUpperBoundAssignment_1_1(), "rule__MultiplicityBoundsCS__UpperBoundAssignment_1_1");
					put(grammarAccess.getMultiplicityCSAccess().getIsNullFreeAssignment_2_1(), "rule__MultiplicityCS__IsNullFreeAssignment_2_1");
					put(grammarAccess.getMultiplicityStringCSAccess().getStringBoundsAssignment(), "rule__MultiplicityStringCS__StringBoundsAssignment");
					put(grammarAccess.getPathNameCSAccess().getOwnedPathElementsAssignment_0(), "rule__PathNameCS__OwnedPathElementsAssignment_0");
					put(grammarAccess.getPathNameCSAccess().getOwnedPathElementsAssignment_1_1(), "rule__PathNameCS__OwnedPathElementsAssignment_1_1");
					put(grammarAccess.getFirstPathElementCSAccess().getReferredElementAssignment(), "rule__FirstPathElementCS__ReferredElementAssignment");
					put(grammarAccess.getNextPathElementCSAccess().getReferredElementAssignment(), "rule__NextPathElementCS__ReferredElementAssignment");
					put(grammarAccess.getTemplateBindingCSAccess().getOwnedSubstitutionsAssignment_0(), "rule__TemplateBindingCS__OwnedSubstitutionsAssignment_0");
					put(grammarAccess.getTemplateBindingCSAccess().getOwnedSubstitutionsAssignment_1_1(), "rule__TemplateBindingCS__OwnedSubstitutionsAssignment_1_1");
					put(grammarAccess.getTemplateBindingCSAccess().getOwnedMultiplicityAssignment_2(), "rule__TemplateBindingCS__OwnedMultiplicityAssignment_2");
					put(grammarAccess.getTemplateParameterSubstitutionCSAccess().getOwnedActualParameterAssignment(), "rule__TemplateParameterSubstitutionCS__OwnedActualParameterAssignment");
					put(grammarAccess.getTemplateSignatureCSAccess().getOwnedParametersAssignment_1(), "rule__TemplateSignatureCS__OwnedParametersAssignment_1");
					put(grammarAccess.getTemplateSignatureCSAccess().getOwnedParametersAssignment_2_1(), "rule__TemplateSignatureCS__OwnedParametersAssignment_2_1");
					put(grammarAccess.getTypeParameterCSAccess().getNameAssignment_0(), "rule__TypeParameterCS__NameAssignment_0");
					put(grammarAccess.getTypeParameterCSAccess().getOwnedExtendsAssignment_1_1(), "rule__TypeParameterCS__OwnedExtendsAssignment_1_1");
					put(grammarAccess.getTypeParameterCSAccess().getOwnedExtendsAssignment_1_2_1(), "rule__TypeParameterCS__OwnedExtendsAssignment_1_2_1");
					put(grammarAccess.getTypedTypeRefCSAccess().getOwnedPathNameAssignment_0(), "rule__TypedTypeRefCS__OwnedPathNameAssignment_0");
					put(grammarAccess.getTypedTypeRefCSAccess().getOwnedBindingAssignment_1_1(), "rule__TypedTypeRefCS__OwnedBindingAssignment_1_1");
					put(grammarAccess.getWildcardTypeRefCSAccess().getOwnedExtendsAssignment_2_1(), "rule__WildcardTypeRefCS__OwnedExtendsAssignment_2_1");
				}
			};
		}
		return nameMappings.get(element);
	}
	
	@Override
	protected Collection<FollowElement> getFollowElements(AbstractInternalContentAssistParser parser) {
		try {
			org.eclipse.ocl.xtext.base.ui.contentassist.antlr.internal.InternalBaseParser typedParser = (org.eclipse.ocl.xtext.base.ui.contentassist.antlr.internal.InternalBaseParser) parser;
			typedParser.entryRuleMultiplicityBoundsCS();
			return typedParser.getFollowElements();
		} catch(RecognitionException ex) {
			throw new RuntimeException(ex);
		}		
	}
	
	@Override
	protected String[] getInitialHiddenTokens() {
		return new String[] { "RULE_WS", "RULE_ML_COMMENT", "RULE_SL_COMMENT" };
	}
	
	public BaseGrammarAccess getGrammarAccess() {
		return this.grammarAccess;
	}
	
	public void setGrammarAccess(BaseGrammarAccess grammarAccess) {
		this.grammarAccess = grammarAccess;
	}
}