org.eclipse.xtext.TerminalRule Java Examples

/**
 * Do not propose terminal fragments in hidden token sections.
 */
protected void completeHiddenTokens(Assignment assignment, final ContentAssistContext context,
		ICompletionProposalAcceptor acceptor) {
	CrossReference crossReference = (CrossReference) assignment.getTerminal();
	lookupCrossReference(crossReference, context, acceptor, new Predicate<IEObjectDescription>() {
		@Override
		public boolean apply(IEObjectDescription input) {
			if (input.getEClass() == XtextPackage.Literals.TERMINAL_RULE) {
				EObject object = resolve(input, context);
				if (object instanceof TerminalRule)
					return !((TerminalRule) object).isFragment();
			}
			return false;
		}
	});
}
 

public void inspectKeywordHidesTerminalRule(Keyword keyword) {
	AbstractRule container = GrammarUtil.containingRule(keyword);
	if (container instanceof TerminalRule)
		return;
	Grammar grammar = GrammarUtil.getGrammar(container);
	List<TerminalRule> rules = cache.get(KeywordInspector.class, grammar.eResource(), ()->GrammarUtil.allTerminalRules(grammar));
	for(TerminalRule rule: rules) {
		if (!rule.isFragment()) {
			AbstractElement element = rule.getAlternatives();
			if (element instanceof Keyword && Strings.isEmpty(element.getCardinality())) {
				String value = ((Keyword) element).getValue();
				if (value.equals(keyword.getValue()))
					acceptor.acceptError(
						"The keyword '" + value + "' hides the terminal rule " + rule.getName()+ ".", 
						keyword,
						XtextPackage.Literals.KEYWORD__VALUE,
						ValidationMessageAcceptor.INSIGNIFICANT_INDEX, null);
			}
		}
	}
}
 

@Inject
public Bug303200TestLanguageGrammarAccess(GrammarProvider grammarProvider) {
	this.grammar = internalFindGrammar(grammarProvider);
	this.pProgram = new ProgramElements();
	this.pProgramDirective = new ProgramDirectiveElements();
	this.pFunctionDefinition = new FunctionDefinitionElements();
	this.pAttribute = new AttributeElements();
	this.pParameters = new ParametersElements();
	this.pBlock = new BlockElements();
	this.pStatement = new StatementElements();
	this.pPostfixExpression = new PostfixExpressionElements();
	this.pListExpression = new ListExpressionElements();
	this.pPropertyOperator = new PropertyOperatorElements();
	this.pPrimaryExpression = new PrimaryExpressionElements();
	this.tID = (TerminalRule) GrammarUtil.findRuleForName(getGrammar(), "org.eclipse.xtext.ui.tests.editor.contentassist.Bug303200TestLanguage.ID");
	this.tWS = (TerminalRule) GrammarUtil.findRuleForName(getGrammar(), "org.eclipse.xtext.ui.tests.editor.contentassist.Bug303200TestLanguage.WS");
	this.tLT = (TerminalRule) GrammarUtil.findRuleForName(getGrammar(), "org.eclipse.xtext.ui.tests.editor.contentassist.Bug303200TestLanguage.LT");
}
 

public FlattenedGrammarAccess(RuleNames names, RuleFilter filter) {
	Grammar grammar = names.getContextGrammar();
	Grammar flattenedGrammar = copy(grammar);
	flattenedGrammar.setName(grammar.getName());
	Map<RuleWithParameterValues, AbstractRule> origToCopy = new LinkedHashMap<>();
	List<AbstractRule> copies = copyRuleStubs(names, origToCopy, filter.getRules(grammar),
			filter.isDiscardRuleTypeRef());
	addAll(flattenedGrammar.getRules(), copies);
	Multimap<TerminalRule, AbstractRule> calledFrom = copyRuleBodies(copies, origToCopy);
	setHiddenTokens(flattenedGrammar, grammar, origToCopy);
	markAsFragment(calledFrom);
	if (filter.isDiscardUnreachableRules()) {
		Set<AbstractRule> usedRules = new HashSet<>();
		if (!filter.isDiscardTerminalRules())
			usedRules.addAll(GrammarUtil.allTerminalRules(flattenedGrammar));
		UsedRulesFinder finder = new UsedRulesFinder(usedRules);
		finder.compute(flattenedGrammar);
		flattenedGrammar.getRules().retainAll(usedRules);
	}
	this.flattenedGrammar = flattenedGrammar;
	new OriginalGrammar(grammar).attachToEmfObject(flattenedGrammar);
}
 

@Test public void testCheckRuleCallInUnorderedGroup_04() throws Exception {
	XtextValidator validator = get(XtextValidator.class);
	UnorderedGroup unorderedGroup = XtextFactory.eINSTANCE.createUnorderedGroup();
	RuleCall ruleCall = XtextFactory.eINSTANCE.createRuleCall();
	TerminalRule terminalRule = XtextFactory.eINSTANCE.createTerminalRule();
	ruleCall.setRule(terminalRule);
	unorderedGroup.getElements().add(ruleCall);
	ValidatingMessageAcceptor messageAcceptor = new ValidatingMessageAcceptor(null, false, false);
	validator.setMessageAcceptor(messageAcceptor);
	validator.checkRuleCallInUnorderedGroup(ruleCall);
	messageAcceptor.validate();
}
 

@Check
public void checkKeywordNoSpaces(final Keyword keyword) {
	if (keyword.getValue() != null && !(keyword.eContainer() instanceof EnumLiteralDeclaration) 
			&& !(GrammarUtil.containingRule(keyword) instanceof TerminalRule)) {
		if (keyword.getValue().contains(" ") || keyword.getValue().contains("\t")) {
			addIssue("A keyword should not contain spaces.", 
					keyword, 
					null,
					SPACES_IN_KEYWORD);
		}
	}
}
 

public TerminalRule getDIGITSRule() {
	return tDIGITS;
}
 

public TerminalRule getIDRule() {
	return gaCodetemplates.getIDRule();
}
 

public TerminalRule getINTRule() {
	return gaTerminals.getINTRule();
}
 

public TerminalRule getANY_OTHERRule() {
	return gaTerminals.getANY_OTHERRule();
}
 

public TerminalRule getSL_COMMENTRule() {
	return gaTerminals.getSL_COMMENTRule();
}
 

public TerminalRule getINTRule() {
	return gaTerminals.getINTRule();
}
 

public TerminalRule getIDRule() {
	return gaTerminals.getIDRule();
}
 

public TerminalRule getINTRule() {
	return gaTerminals.getINTRule();
}
 

public TerminalRule getWSRule() {
	return gaTerminals.getWSRule();
}
 

public TerminalRule getWSRule() {
	return tWS;
}
 

public TerminalRule getSL_COMMENTRule() {
	return gaTerminals.getSL_COMMENTRule();
}
 

public TerminalRule getSTRINGRule() {
	return gaTerminals.getSTRINGRule();
}
 

public TerminalRule getSL_COMMENTRule() {
	return gaTerminals.getSL_COMMENTRule();
}
 

public TerminalRule getML_COMMENTRule() {
	return gaTerminals.getML_COMMENTRule();
}
 

public TerminalRule getSL_COMMENTRule() {
	return gaTerminals.getSL_COMMENTRule();
}
 

public TerminalRule getIDRule() {
	return gaTerminals.getIDRule();
}
 

public TerminalRule getML_COMMENTRule() {
	return gaTerminals.getML_COMMENTRule();
}
 

public TerminalRule getUNICODE_DIGITRule() {
	return tUNICODE_DIGIT;
}
 

public TerminalRule getZWJRule() {
	return gaUnicode.getZWJRule();
}
 

public TerminalRule getANY_OTHERRule() {
	return gaTerminals.getANY_OTHERRule();
}
 

public TerminalRule getANY_OTHERRule() {
	return gaTerminals.getANY_OTHERRule();
}
 

public TerminalRule getSTRINGRule() {
	return gaTerminals.getSTRINGRule();
}
 

public TerminalRule getSL_COMMENTRule() {
	return gaTerminals.getSL_COMMENTRule();
}
 

public TerminalRule getDOT_DOTRule() {
	return tDOT_DOT;
}