Examples with CrossReference org.eclipse.xtext.CrossReference used on opensource projects

Example 6 with CrossReference

use of org.eclipse.xtext.CrossReference in project xtext-core by eclipse.

the class Linker method ensureLinked.

private void ensureLinked(EObject obj, IDiagnosticProducer producer, ICompositeNode node, Set<EReference> handledReferences, boolean dontCheckParent) {
    for (INode abstractNode = node.getFirstChild(); abstractNode != null; abstractNode = abstractNode.getNextSibling()) {
        EObject grammarElement = abstractNode.getGrammarElement();
        if (grammarElement instanceof CrossReference) {
            CrossReference ref = (CrossReference) grammarElement;
            producer.setNode(abstractNode);
            ensureIsLinked(obj, abstractNode, ref, handledReferences, producer);
        } else if (grammarElement instanceof RuleCall && abstractNode instanceof ICompositeNode) {
            RuleCall ruleCall = (RuleCall) grammarElement;
            AbstractRule calledRule = ruleCall.getRule();
            if (calledRule instanceof ParserRule && ((ParserRule) calledRule).isFragment()) {
                ensureLinked(obj, producer, (ICompositeNode) abstractNode, handledReferences, true);
            }
        }
    }
    if (!dontCheckParent && shouldCheckParentNode(node)) {
        ensureLinked(obj, producer, node.getParent(), handledReferences, false);
    }
}

Example 7 with CrossReference

use of org.eclipse.xtext.CrossReference in project xtext-core by eclipse.

the class AbstractFormattingConfig method getAbstractElements.

protected List<AbstractElement> getAbstractElements(EObject obj) {
    if (obj instanceof AbstractElement)
        return Collections.singletonList((AbstractElement) obj);
    if (obj instanceof AbstractRule) {
        AbstractRule rule = (AbstractRule) obj;
        if (rule.getType().getClassifier() instanceof EClass)
            return Collections.singletonList(rule.getAlternatives());
        List<AbstractElement> result = Lists.newArrayList();
        for (RuleCall rc : grammarAccess.findRuleCalls(rule)) {
            CrossReference cr = GrammarUtil.containingCrossReference(rc);
            result.add(cr == null ? rc : cr);
        }
        return result;
    }
    return null;
}

Example 8 with CrossReference

use of org.eclipse.xtext.CrossReference in project xtext-core by eclipse.

the class XtextValidationTest method testBug318424_01.

@Test
public void testBug318424_01() throws Exception {
    XtextValidator validator = get(XtextValidator.class);
    CrossReference reference = XtextFactory.eINSTANCE.createCrossReference();
    TypeRef typeRef = XtextFactory.eINSTANCE.createTypeRef();
    reference.setType(typeRef);
    typeRef.setClassifier(EcorePackage.Literals.EBOOLEAN);
    ValidatingMessageAcceptor messageAcceptor = new ValidatingMessageAcceptor(typeRef, true, false);
    validator.setMessageAcceptor(messageAcceptor);
    validator.checkCrossReferenceType(reference);
    messageAcceptor.validate();
}

Example 9 with CrossReference

use of org.eclipse.xtext.CrossReference in project xtext-core by eclipse.

the class GrammarUtilTest method testGetReference.

@Test
public void testGetReference() throws Exception {
    this.with(LangATestLanguageStandaloneSetup.class);
    XtextResource resource = this.getResourceFromStringAndExpect("type A extends B", 1);
    Assignment asExtends = this.<LangATestLanguageGrammarAccess>get(LangATestLanguageGrammarAccess.class).getTypeAccess().getExtendsAssignment_2_1();
    AbstractElement _terminal = asExtends.getTerminal();
    CrossReference xref = ((CrossReference) _terminal);
    EObject _model = this.getModel(resource);
    Main model = ((Main) _model);
    EObject typeA = model.getTypes().get(0);
    EReference ref = GrammarUtil.getReference(xref, typeA.eClass());
    Assert.assertNotNull(ref);
    Assert.assertEquals("extends", ref.getName());
    Assert.assertFalse(ref.isMany());
    Assert.assertEquals(typeA.eClass(), ref.getEReferenceType());
}

Example 10 with CrossReference

use of org.eclipse.xtext.CrossReference in project xtext-core by eclipse.

the class GrammarAccessExtensions method getSingleElementDescription.

private List<String> getSingleElementDescription(final AbstractElement ele) {
    final ArrayList<String> r = new ArrayList<String>(2);
    boolean _matched = false;
    if (ele instanceof Keyword) {
        _matched = true;
        String _value = ((Keyword) ele).getValue();
        r.add(_value);
    }
    if (!_matched) {
        if (ele instanceof Assignment) {
            _matched = true;
            String _feature = ((Assignment) ele).getFeature();
            r.add(_feature);
        }
    }
    if (!_matched) {
        if (ele instanceof RuleCall) {
            _matched = true;
            String _name = ((RuleCall) ele).getRule().getName();
            r.add(_name);
        }
    }
    if (!_matched) {
        if (ele instanceof Action) {
            _matched = true;
            TypeRef _type = ((Action) ele).getType();
            EClassifier _classifier = null;
            if (_type != null) {
                _classifier = _type.getClassifier();
            }
            boolean _tripleNotEquals = (_classifier != null);
            if (_tripleNotEquals) {
                String _name = ((Action) ele).getType().getClassifier().getName();
                r.add(_name);
            }
            boolean _isNullOrEmpty = StringExtensions.isNullOrEmpty(((Action) ele).getFeature());
            boolean _not = (!_isNullOrEmpty);
            if (_not) {
                String _feature = ((Action) ele).getFeature();
                r.add(_feature);
            }
        }
    }
    if (!_matched) {
        if (ele instanceof CrossReference) {
            _matched = true;
            TypeRef _type = ((CrossReference) ele).getType();
            EClassifier _classifier = null;
            if (_type != null) {
                _classifier = _type.getClassifier();
            }
            boolean _tripleNotEquals = (_classifier != null);
            if (_tripleNotEquals) {
                String _name = ((CrossReference) ele).getType().getClassifier().getName();
                r.add(_name);
            }
        }
    }
    if (!_matched) {
        if (ele instanceof EnumLiteralDeclaration) {
            _matched = true;
            String _name = ((EnumLiteralDeclaration) ele).getEnumLiteral().getName();
            r.add(_name);
        }
    }
    return r;
}