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

Example 6 with AbstractMetamodelDeclaration

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

the class XtextValidationTest method testNameClash_03.

@Test
public void testNameClash_03() throws Exception {
    String grammarAsText = "grammar test with org.eclipse.xtext.common.Terminals\n" + "generate test 'http://test'\n" + "Foo: myVars=ID my_vars=ID;\n";
    Grammar grammar = (Grammar) getModel(grammarAsText);
    AbstractMetamodelDeclaration metamodelDeclaration = grammar.getMetamodelDeclarations().get(0);
    XtextValidator validator = get(XtextValidator.class);
    ValidatingMessageAcceptor messageAcceptor = new ValidatingMessageAcceptor(null, true, false);
    CompoundElement element = (CompoundElement) grammar.getRules().get(0).getAlternatives();
    messageAcceptor.expectedContext(grammar.getRules().get(0).getType(), element.getElements().get(0), element.getElements().get(1));
    validator.setMessageAcceptor(messageAcceptor);
    validator.checkGeneratedPackage((GeneratedMetamodel) metamodelDeclaration, Diagnostician.INSTANCE, Collections.EMPTY_MAP);
    messageAcceptor.validate();
}

Example 7 with AbstractMetamodelDeclaration

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

the class XtextValidationTest method testDuplicateFeatures_01.

@Test
public void testDuplicateFeatures_01() throws Exception {
    String grammarAsText = "grammar test with org.eclipse.xtext.common.Terminals\n" + "generate test 'http://test'\n" + "Model: Parent1 | Parent2 | NoParent;\n" + "NoParent: foo=ID;" + "Parent1: Sub1 | Sub2;\n" + "Parent2: Sub2 | Sub3;\n" + "Sub1: x=ID;\n" + "Sub2: x=ID;\n" + "Sub3: x=ID;\n";
    Grammar grammar = (Grammar) getModel(grammarAsText);
    AbstractMetamodelDeclaration metamodelDeclaration = grammar.getMetamodelDeclarations().get(0);
    XtextValidator validator = get(XtextValidator.class);
    ValidatingMessageAcceptor messageAcceptor = new ValidatingMessageAcceptor(null, true, false);
    messageAcceptor.expectedContext(grammar.getRules().get(2).getType(), grammar.getRules().get(3).getType(), grammar.getRules().get(5).getType(), grammar.getRules().get(4).getAlternatives(), grammar.getRules().get(5).getAlternatives(), grammar.getRules().get(6).getAlternatives());
    validator.setMessageAcceptor(messageAcceptor);
    validator.checkGeneratedPackage((GeneratedMetamodel) metamodelDeclaration, Diagnostician.INSTANCE, Collections.EMPTY_MAP);
    messageAcceptor.validate();
}

Example 8 with AbstractMetamodelDeclaration

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

the class LazyLinker method globalFindInstantiableCompatible.

protected EClass globalFindInstantiableCompatible(EClass eType) {
    Set<String> visitedPackages = Sets.newHashSet(eType.getEPackage().getNsURI());
    for (AbstractMetamodelDeclaration metamodel : GrammarUtil.allMetamodelDeclarations(grammarAccess.getGrammar())) {
        if (visitedPackages.add(metamodel.getEPackage().getNsURI())) {
            EClass result = findSubTypeInEPackage(metamodel.getEPackage(), eType);
            if (result != null)
                return result;
        }
    }
    log.warn("Traversing EPackage registry to find instantiable subtype for '" + eType.getName() + "'");
    log.warn("You may override LazyLinker#globalFindInstantiableCompatible(..) to prevent this.");
    for (String nsURI : getRegisteredNsUris()) {
        if (visitedPackages.add(nsURI)) {
            try {
                EClass result = findSubTypeInEPackage(getRegistry().getEPackage(nsURI), eType);
                if (result != null)
                    return result;
            } catch (WrappedException ex) {
                log.error("Error when loading EPackage '" + nsURI + "'");
                log.error("You may override LazyLinker#globalFindInstantiableCompatible(..) to prevent this.");
                log.error("Error when loading EPackage '" + nsURI + "'", ex);
            }
        }
    }
    throw new IllegalStateException("Could not find an instantiable subtype for type: '" + eType.getName() + "' (" + eType.getEPackage().getNsURI() + ").");
}

Example 9 with AbstractMetamodelDeclaration

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

the class GrammarUtilTest method testAllMetamodelDeclarations_02.

@Test
public void testAllMetamodelDeclarations_02() throws Exception {
    this.with(XtextStandaloneSetup.class);
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("grammar foo with org.eclipse.xtext.common.Terminals");
    _builder.newLine();
    _builder.append("import \'http://www.eclipse.org/emf/2002/Ecore\' as bar");
    _builder.newLine();
    _builder.append("generate g \'http://3\' as bar");
    _builder.newLine();
    _builder.append("startrule returns bar::startrule: name=ID;");
    _builder.newLine();
    String model = _builder.toString();
    Resource r = this.getResourceFromString(model);
    EObject _get = r.getContents().get(0);
    Grammar g = ((Grammar) _get);
    List<AbstractMetamodelDeclaration> decls = GrammarUtil.allMetamodelDeclarations(g);
    Assert.assertEquals(3, decls.size());
    AbstractMetamodelDeclaration decl = decls.get(0);
    Assert.assertTrue((decl instanceof ReferencedMetamodel));
    Assert.assertNotNull(decl.getEPackage());
    Assert.assertEquals("http://www.eclipse.org/emf/2002/Ecore", decl.getEPackage().getNsURI());
    Assert.assertEquals("bar", decl.getAlias());
    decl = decls.get(1);
    Assert.assertEquals("bar", decl.getAlias());
    Assert.assertNotNull(decl.getEPackage());
    Assert.assertEquals("http://3", decl.getEPackage().getNsURI());
    decl = decls.get(2);
    Assert.assertTrue((decl instanceof ReferencedMetamodel));
    Assert.assertNotNull(decl.getEPackage());
    Assert.assertEquals("http://www.eclipse.org/emf/2002/Ecore", decl.getEPackage().getNsURI());
    Assert.assertEquals("ecore", decl.getAlias());
    AbstractRule abstractRule = g.getRules().get(0);
    Assert.assertSame(decls.get(1), abstractRule.getType().getMetamodel());
}

Example 10 with AbstractMetamodelDeclaration

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

the class Xtext2EcoreTransformerTest method testBug296496_02.

@Test
public void testBug296496_02() throws Exception {
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("grammar test with org.eclipse.xtext.common.Terminals");
    _builder.newLine();
    _builder.append("import \"classpath:/org/eclipse/xtext/enumrules/enums.ecore\"");
    _builder.newLine();
    _builder.append("generate myDsl \"http://example.xtext.org/MyDsl\"");
    _builder.newLine();
    _builder.append("CreatedType:");
    _builder.newLine();
    _builder.append("  ");
    _builder.append("enumFeature=ExistingEnum otherEnumFeature=ExistingEnum;");
    _builder.newLine();
    _builder.append("enum ExistingEnum:");
    _builder.newLine();
    _builder.append("  ");
    _builder.append("SameName | OverriddenLiteral = \"overridden\" | DifferentName;");
    _builder.newLine();
    final String grammarAsString = _builder.toString();
    final XtextResource resource = this.getResourceFromStringAndExpect(grammarAsString, 0);
    Assert.assertTrue(resource.getErrors().toString(), resource.getErrors().isEmpty());
    EObject _head = IterableExtensions.<EObject>head(resource.getContents());
    final Grammar grammar = ((Grammar) _head);
    AbstractMetamodelDeclaration _get = grammar.getMetamodelDeclarations().get(1);
    GeneratedMetamodel generatedMetamodel = ((GeneratedMetamodel) _get);
    Assert.assertEquals("myDsl", generatedMetamodel.getName());
    EClassifier _type = this.<EClassifier>type(generatedMetamodel.getEPackage(), "CreatedType");
    EClass createdType = ((EClass) _type);
    Assert.assertEquals(this.<EStructuralFeature>feature(createdType, "enumFeature").getEType(), this.<EStructuralFeature>feature(createdType, "otherEnumFeature").getEType());
}