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

Example 1 with ReferencedMetamodel

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

the class Xtext2EcoreTransformer method collectEPackages.

private void collectEPackages() {
    final List<AbstractMetamodelDeclaration> metamodelDeclarations = grammar.getMetamodelDeclarations();
    final Map<String, GeneratedMetamodel> generateUs = Maps.newLinkedHashMap();
    for (AbstractMetamodelDeclaration metamodelDeclaration : metamodelDeclarations) {
        try {
            if (metamodelDeclaration instanceof ReferencedMetamodel) {
                // load imported metamodel
                ReferencedMetamodel referencedMetamodel = (ReferencedMetamodel) metamodelDeclaration;
                EPackage referencedEPackage = referencedMetamodel.getEPackage();
                if (referencedEPackage != null)
                    collectClassInfosOf(referencedEPackage, referencedMetamodel);
            } else if (metamodelDeclaration instanceof GeneratedMetamodel) {
                String alias = Strings.emptyIfNull(metamodelDeclaration.getAlias());
                if (generateUs.containsKey(alias)) {
                    GeneratedMetamodel prev = generateUs.get(alias);
                    if (prev != null) {
                        if (prev.getEPackage() != null) {
                            prev.getEPackage().eResource().getResourceSet().getResources().remove(prev.getEPackage().eResource());
                        }
                        prev.setEPackage(null);
                    }
                    generateUs.put(alias, null);
                    EPackage pack = metamodelDeclaration.getEPackage();
                    if (pack != null)
                        pack.eResource().getResourceSet().getResources().remove(pack.eResource());
                    metamodelDeclaration.setEPackage(null);
                    throw new TransformationException(TransformationErrorCode.AliasForMetamodelAlreadyExists, "Alias '" + alias + "' registered more than once.", metamodelDeclaration);
                }
                generateUs.put(alias, (GeneratedMetamodel) metamodelDeclaration);
            } else
                throw new IllegalStateException("unknown metamodelDeclaraton " + metamodelDeclaration);
        } catch (TransformationException e) {
            reportError(e);
        }
    }
    for (GeneratedMetamodel metamodel : generateUs.values()) {
        try {
            if (metamodel != null)
                addGeneratedEPackage(metamodel);
        } catch (TransformationException e) {
            reportError(e);
        }
    }
}

Example 2 with ReferencedMetamodel

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

the class Xtext2EcoreTransformer method getTypeRef.

TypeRef getTypeRef(String qualifiedName) {
    TypeRef result = XtextFactory.eINSTANCE.createTypeRef();
    String[] split = qualifiedName.split("::");
    String name = qualifiedName;
    if (split.length > 1) {
        result.setMetamodel(findMetamodel(grammar, split[0], split[1]));
        name = split[1];
    } else {
        result.setMetamodel(findDefaultMetamodel(grammar, qualifiedName));
    }
    if (result.getMetamodel() instanceof ReferencedMetamodel && result.getMetamodel().getEPackage() != null) {
        result.setClassifier(result.getMetamodel().getEPackage().getEClassifier(name));
    }
    return result;
}

Example 3 with ReferencedMetamodel

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

the class XtextValidationTest method testBug_280413_01.

@Test
public void testBug_280413_01() throws Exception {
    XtextResource resource = getResourceFromStringAndExpect("grammar org.foo.Bar with org.eclipse.xtext.testlanguages.SimpleExpressionsTestLanguage\n" + "import 'classpath:/org/eclipse/xtext/testlanguages/SimpleExpressionsTestLanguage.ecore' as mm\n" + "Atom returns mm::Atom: name = ID;", 1);
    assertEquals(resource.getErrors().toString(), 1, resource.getErrors().size());
    assertTrue(resource.getWarnings().toString(), resource.getWarnings().isEmpty());
    Diagnostic diag = Diagnostician.INSTANCE.validate(resource.getContents().get(0));
    assertNotNull("diag", diag);
    assertEquals(diag.getChildren().toString(), 2, diag.getChildren().size());
    assertEquals("diag.isError", diag.getSeverity(), Diagnostic.ERROR);
    ReferencedMetamodel metamodel = (ReferencedMetamodel) diag.getChildren().get(0).getData().get(0);
    assertNotNull(metamodel);
}

Example 4 with ReferencedMetamodel

use of org.eclipse.xtext.ReferencedMetamodel in project xtext-eclipse by eclipse.

the class EcoreRefactoringParticipant method getRenamedElementsOrProxies.

@Override
protected List<EObject> getRenamedElementsOrProxies(EObject originalTarget) {
    if (originalTarget instanceof ParserRule) {
        TypeRef returnType = ((ParserRule) originalTarget).getType();
        if (returnType != null && returnType.getClassifier() != null && !Strings.isEmpty(returnType.getClassifier().getName()) && equal(((ParserRule) originalTarget).getName(), returnType.getClassifier().getName()) && returnType.getClassifier().eClass() != null && returnType.getClassifier().getEPackage() != null && !Strings.isEmpty(returnType.getClassifier().getEPackage().getNsURI())) {
            String packageNsURI = returnType.getClassifier().getEPackage().getNsURI();
            QualifiedName classifierQualifiedName = QualifiedName.create(packageNsURI, returnType.getClassifier().getName());
            URI platformResourceURI = findPlatformResourceURI(classifierQualifiedName, EcorePackage.Literals.ECLASS);
            if (platformResourceURI == null) {
                if (returnType.getMetamodel() instanceof ReferencedMetamodel)
                    getStatus().add(ERROR, "Return type '{0}' is not indexed.", returnType.getClassifier());
            } else {
                EObject classifierProxy = EcoreFactory.eINSTANCE.create(returnType.getClassifier().eClass());
                ((InternalEObject) classifierProxy).eSetProxyURI(platformResourceURI);
                if (!isDisableWarning)
                    getStatus().add(WARNING, "Renaming EClass '{0}' in ecore file. Please rerun the Ecore generator.", returnType.getClassifier());
                return singletonList(classifierProxy);
            }
        }
    }
    return null;
}

Example 5 with ReferencedMetamodel

use of org.eclipse.xtext.ReferencedMetamodel in project xtext-eclipse by eclipse.

the class XtextProposalProvider method completeParserRule.

private void completeParserRule(EObject model, final ContentAssistContext context, ICompletionProposalAcceptor acceptor) {
    final Grammar grammar = GrammarUtil.getGrammar(model);
    for (AbstractMetamodelDeclaration metamodelDeclaration : grammar.getMetamodelDeclarations()) {
        if (metamodelDeclaration instanceof ReferencedMetamodel) {
            ReferencedMetamodel referencedMetamodel = (ReferencedMetamodel) metamodelDeclaration;
            EPackage ePackage = referencedMetamodel.getEPackage();
            if (ePackage != null) {
                for (EClassifier eClassifier : ePackage.getEClassifiers()) {
                    if (isProposeParserRule(eClassifier, grammar)) {
                        String proposal = eClassifier.getName();
                        String metamodelAlias = referencedMetamodel.getAlias();
                        if (metamodelAlias != null) {
                            proposal = proposal + " returns " + metamodelAlias + "::" + eClassifier.getName();
                        }
                        proposal = proposal + ": \n;\n";
                        ConfigurableCompletionProposal completionProposal = (ConfigurableCompletionProposal) createCompletionProposal(proposal, eClassifier.getName() + " - parser rule", getImage(XtextFactory.eINSTANCE.createParserRule()), context);
                        if (completionProposal != null) {
                            completionProposal.setCursorPosition(proposal.length() - 3);
                            acceptor.accept(completionProposal);
                        }
                    }
                }
            }
        }
    }
}