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

Example 26 with CrossReference

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

the class SyntacticSequencerTest method getNodeSequence.

@SuppressWarnings("deprecation")
private List<String> getNodeSequence(EObject model) {
    List<String> result = Lists.newArrayList();
    GrammarElementTitleSwitch titleSwitch = new GrammarElementTitleSwitch().showAssignments();
    org.eclipse.xtext.serializer.sequencer.EmitterNodeIterator ni = new org.eclipse.xtext.serializer.sequencer.EmitterNodeIterator(NodeModelUtils.findActualNodeFor(model));
    while (ni.hasNext()) {
        INode next = ni.next();
        EObject ele = next.getGrammarElement() instanceof CrossReference ? ((CrossReference) next.getGrammarElement()).getTerminal() : next.getGrammarElement();
        if (next instanceof ILeafNode || GrammarUtil.isDatatypeRuleCall(ele))
            result.add(titleSwitch.doSwitch(ele) + " -> " + next.getText().trim());
        else if (next instanceof ICompositeNode)
            result.add(titleSwitch.doSwitch(ele));
    }
    return result;
}

Example 27 with CrossReference

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

the class XtextTransientValueService method isTransient.

@Override
public boolean isTransient(EObject owner, EStructuralFeature feature, int index) {
    if (feature == XtextPackage.eINSTANCE.getTypeRef_Metamodel()) {
        final TypeRef typeRef = (TypeRef) owner;
        final AbstractMetamodelDeclaration m = typeRef.getMetamodel();
        if (m == null || Strings.isEmpty(m.getAlias()))
            return true;
    } else if (feature == XtextPackage.eINSTANCE.getAbstractRule_Type()) {
        final AbstractRule rule = (AbstractRule) owner;
        if (rule instanceof ParserRule || rule instanceof EnumRule) {
            final TypeRef returnType = rule.getType();
            if (returnType == null || returnType.getClassifier() == null)
                return true;
            else if (rule.getName().equals(returnType.getClassifier().getName())) {
                return isTransient(returnType, XtextPackage.eINSTANCE.getTypeRef_Metamodel(), -1);
            } else if (GrammarUtil.isDatatypeRule(rule)) {
                return NodeModelUtils.getNode(returnType) == null;
            }
        } else if (rule instanceof TerminalRule) {
            final TypeRef returnType = rule.getType();
            return ((TerminalRule) rule).isFragment() || returnType == null || GrammarUtil.findEString(GrammarUtil.getGrammar(owner)).equals(rule.getType().getClassifier());
        }
    } else if (feature == XtextPackage.eINSTANCE.getCrossReference_Terminal()) {
        final CrossReference ref = (CrossReference) owner;
        if (ref.getTerminal() instanceof RuleCall && ((RuleCall) ref.getTerminal()).getRule() != null && "ID".equals(((RuleCall) ref.getTerminal()).getRule().getName()))
            return true;
    } else if (feature == XtextPackage.eINSTANCE.getEnumLiteralDeclaration_Literal()) {
        final EnumLiteralDeclaration decl = (EnumLiteralDeclaration) owner;
        return decl.getEnumLiteral() != null && decl.getLiteral() != null && Strings.equal(decl.getLiteral().getValue(), decl.getEnumLiteral().getName());
    } else if (feature == XtextPackage.eINSTANCE.getRuleCall_ExplicitlyCalled()) {
        return true;
    } else if (feature == XtextPackage.eINSTANCE.getNamedArgument_Parameter()) {
        return !((NamedArgument) owner).isCalledByName();
    }
    return super.isTransient(owner, feature, index);
}

Example 28 with CrossReference

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

the class XtextValidationTest method testCheckCrossReferenceTerminal_01.

@Test
public void testCheckCrossReferenceTerminal_01() throws Exception {
    XtextValidator validator = get(XtextValidator.class);
    CrossReference reference = XtextFactory.eINSTANCE.createCrossReference();
    RuleCall call = XtextFactory.eINSTANCE.createRuleCall();
    reference.setTerminal(call);
    ParserRule rule = XtextFactory.eINSTANCE.createParserRule();
    call.setRule(rule);
    TypeRef typeRef = XtextFactory.eINSTANCE.createTypeRef();
    rule.setType(typeRef);
    typeRef.setClassifier(EcorePackage.Literals.ESTRING);
    ValidatingMessageAcceptor messageAcceptor = new ValidatingMessageAcceptor(null, false, false);
    validator.setMessageAcceptor(messageAcceptor);
    validator.checkCrossReferenceTerminal(reference);
    messageAcceptor.validate();
}

Example 29 with CrossReference

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

the class XtextParserTest method testParseCrossRef.

@Test
public void testParseCrossRef() throws Exception {
    Grammar model = (Grammar) getModel("grammar foo with org.eclipse.xtext.common.Terminals " + "generate foo 'bar' as boo " + "Model returns boo::Model : 'a' stuff+=Stuff*; " + "Stuff returns boo::Stuff : 'stuff' name=ID refersTo=[boo::Stuff];");
    AbstractRule rule = model.getRules().get(1);
    Group group = (Group) rule.getAlternatives();
    Assignment assignment = (Assignment) group.getElements().get(2);
    CrossReference reference = (CrossReference) assignment.getTerminal();
    assertEquals("boo", reference.getType().getMetamodel().getAlias());
    // assertWithXtend("'boo'", "eAllContents.typeSelect(xtext::CrossReference).first().type.metamodel.alias", model);
    assertEquals("Stuff", reference.getType().getClassifier().getName());
// assertWithXtend("'Stuff'", "eAllContents.typeSelect(xtext::CrossReference).first().type.classifier.name", model);
}