org.eclipse.xtext.Extensions.ext Maven / Gradle / Ivy

Go to download
/*******************************************************************************
* Copyright (c) 2008 itemis AG 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
*
*******************************************************************************/

import org::eclipse::xtext;

extension org::eclipse::xtext::GrammarUtil reexport;
extension org::eclipse::xtext::EcoreUtils;

// ***********************************************************************************
// Shortcuts
	 
ParserRule calledParserRule(RuleCall this) :
	if ParserRule.isInstance(rule) then rule;

EnumRule calledEnumRule(RuleCall this) :
	if EnumRule.isInstance(rule) then rule;
		
boolean isKeywordAssignment(Assignment a) :
	Keyword.isInstance(a.terminal) || 
	a.allContents().forAll(e | !(RuleCall.isInstance(e)));

boolean isRuleAssignment(Assignment a) :
	RuleCall.isInstance(a.terminal);

boolean isParserRuleAssignment(Assignment a) :
	a.isRuleAssignment() && ((RuleCall) a.terminal).calledParserRule() != null;

boolean isEnumRuleAssignment(Assignment a) :
	a.isRuleAssignment() && ((RuleCall) a.terminal).calledEnumRule() != null;
	
Boolean isBoolean(Assignment a) :
	a.operator == "?="
;

Boolean isMultiple(Assignment a) :
	a.operator == "+="
;

boolean isQualified(String name) :	
	name.contains("::")
;

String getAlias(String fqn) :
	isQualified(fqn) ? fqn.split("::").first() : null
;