Examples with EcoreUtil2 org.eclipse.xtext.EcoreUtil2 used on opensource projects

Example 6 with EcoreUtil2

use of org.eclipse.xtext.EcoreUtil2 in project n4js by eclipse.

the class ScriptApiTracker method computeMethodDiff.

/**
 * Find last missing methods, which the implType would have if it would follow the inheritance as defined in the API
 *
 * @param implType
 *            Type of implementation project, calculated from AST
 * @param collector
 *            member collector for the project.
 * @param ownedAndMixedInConcreteMember
 *            already computed for implType
 * @param missingApiMethods2
 *            already computed for implType
 * @return list of virtual Methods
 */
public List<VirtualApiTMethod> computeMethodDiff(TClass implType, MemberCollector collector, List<TMember> ownedAndMixedInConcreteMember, MemberList<TMethod> missingApiMethods2) {
    Optional<ProjectComparisonAdapter> optAdapt = firstProjectComparisonAdapter(implType.eResource());
    if (optAdapt.isPresent()) {
        ProjectComparisonEntry compareEntry = optAdapt.get().getEntryFor(EcoreUtil2.getContainerOfType(implType, TModule.class));
        ProjectComparisonEntry typeCompare = compareEntry.getChildForElementImpl(implType);
        if (typeCompare != null && typeCompare.getElementAPI() != null) {
            TClass apiType = (TClass) typeCompare.getElementAPI();
            MemberList<TMember> implMembers = collector.allMembers(implType, false, true);
            MemberList<TMember> apiMembers = collector.allMembers(apiType, false, true);
            final HashSet<String> methodNamesAlreadyDefined = new HashSet<>();
            Stream.concat(implMembers.stream(), Stream.concat(ownedAndMixedInConcreteMember.stream(), missingApiMethods2.stream())).forEach(m -> {
                if (m instanceof TMethod) {
                    methodNamesAlreadyDefined.add(m.getName());
                }
            });
            return apiMembers.stream().filter(t -> t instanceof TMethod).filter(m -> !methodNamesAlreadyDefined.contains(((TMethod) m).getName())).map(m2 -> {
                TMethod m = (TMethod) m2;
                VirtualApiTMethod vMethod = new VirtualApiTMethod(m.getName(), TypeUtils.copyPartial(m, TypesPackage.Literals.SYNTAX_RELATED_TELEMENT__AST_ELEMENT));
                return vMethod;
            }).collect(Collectors.toList());
        }
    }
    return emptyList();
}

Example 7 with EcoreUtil2

use of org.eclipse.xtext.EcoreUtil2 in project n4js by eclipse.

the class GrammarLinter method printKeywordsOnlyInDatatypeRules.

private void printKeywordsOnlyInDatatypeRules() {
    Grammar grammar = grammarAccess.getGrammar();
    ListMultimap<String, Keyword> allKeywords = getAllKeywords(grammar);
    System.out.println("Keywords which do not occur in production rules: ");
    outer: for (Collection<Keyword> chunk : allKeywords.asMap().values()) {
        for (Keyword keyword : chunk) {
            AbstractRule rule = EcoreUtil2.getContainerOfType(keyword, AbstractRule.class);
            if (!GrammarUtil.isDatatypeRule(rule)) {
                continue outer;
            }
        }
        System.out.println("  " + ((List<Keyword>) chunk).get(0).getValue());
    }
    System.out.println();
}

Example 8 with EcoreUtil2

use of org.eclipse.xtext.EcoreUtil2 in project n4js by eclipse.

the class N4JSScopingConsumableMethodsDiagnosis method diagnose.

@Override
DiagnosticMessage diagnose(QualifiedName name, ParameterizedPropertyAccessExpression propertyAccess) {
    // determine containing member declaration and classifier definition
    N4MemberDeclaration containingMemberDeclaration = EcoreUtil2.getContainerOfType(propertyAccess, N4MemberDeclaration.class);
    N4ClassifierDefinition classifierDefinition = EcoreUtil2.getContainerOfType(containingMemberDeclaration, N4ClassifierDefinition.class);
    // if ancestors present and non-static context (no super in static context)
    if (containingMemberDeclaration != null && !containingMemberDeclaration.isStatic() && classifierDefinition != null) {
        // Get candidate methods
        MemberList<TMember>.MemberIterable<TMethod> methods = containerTypesHelper.fromContext(propertyAccess).membersOfImplementedInterfacesForConsumption((TClassifier) classifierDefinition.getDefinedType()).methods();
        boolean hasMethod = methods.stream().filter(// Filter for non-static non-abstract methods
        m -> !m.isHasNoBody() && !m.isStatic()).anyMatch(m -> m.getName().equals(name.toString()));
        if (hasMethod) {
            return createMessage(IssueCodes.CLF_CANNOT_REFER_TO_DEFAULT_METHOD_WITH_SUPER, IssueCodes.getMessageForCLF_CANNOT_REFER_TO_DEFAULT_METHOD_WITH_SUPER());
        }
    }
    return null;
}

Example 9 with EcoreUtil2

use of org.eclipse.xtext.EcoreUtil2 in project n4js by eclipse.

the class ScriptApiTracker method computeMissingApiFields.

/**
 * Computes the list of virtual AccessorTuples for missing static fields on Interfaces
 *
 * @return List of {@link VirtualApiTField}
 */
private List<AccessorTuple> computeMissingApiFields(TInterface declaration) {
    Optional<ProjectComparisonAdapter> optAdapt = firstProjectComparisonAdapter(declaration.eResource());
    if (optAdapt.isPresent()) {
        ProjectComparisonAdapter projectComparisonAdapter = optAdapt.get();
        ProjectComparisonEntry compareEntry = projectComparisonAdapter.getEntryFor(EcoreUtil2.getContainerOfType(declaration, TModule.class));
        ProjectComparisonEntry typeCompare = compareEntry.getChildForElementImpl(declaration);
        if (typeCompare != null) {
            ArrayList<AccessorTuple> collectedMissingFields = new ArrayList<>();
            Predicate<ProjectComparisonEntry> filter = (pce -> pce.getElementAPI() instanceof TField);
            filter = filter.and(pce -> pce.getElementImpl()[0] == null).and(pce -> PROVIDES_INITIALZER.hasAnnotation((TField) pce.getElementAPI()));
            Function<TInterface, Consumer<? super ProjectComparisonEntry>> actionProvider = pivot -> pce -> {
                TField apiField = ((TField) pce.getElementAPI());
                VirtualApiMissingFieldAccessorTuple ret = createVirtFieldAccessorTuple(apiField);
                collectedMissingFields.add(ret);
            };
            if (!checkInterfaceImplementsInterface(declaration, typeCompare.getElementAPI())) {
                return emptyList();
            }
            // Call the supertype iterations scaffolding:
            interfaceApiSupertypeWalker(filter, actionProvider, projectComparisonAdapter, (TInterface) typeCompare.getElementAPI(), TInterface.class);
            return collectedMissingFields;
        }
    }
    return emptyList();
}

Example 10 with EcoreUtil2

use of org.eclipse.xtext.EcoreUtil2 in project n4js by eclipse.

the class StaticWriteAccessFilterScope method isAccepted.

@Override
protected boolean isAccepted(IEObjectDescription description) {
    EObject proxyOrInstance = description.getEObjectOrProxy();
    if (proxyOrInstance instanceof TMember && !proxyOrInstance.eIsProxy()) {
        TMember member = (TMember) proxyOrInstance;
        // this particular message to hide the better one.
        if (member.isStatic() && member.isWriteable() && /* i.e. (member.isField(), not const || member.isSetter()) */
        isWriteAccess()) {
            ContainerType<?> memberType = member.getContainingType();
            memberTypeName = memberType.getName();
            // Access only allowed for Direct access, so AST must be IdentifierRef.
            final boolean isTargetGivenByIdentifier = getTarget() instanceof IdentifierRef;
            if (!isTargetGivenByIdentifier) {
                // Not an IdentifierRef --> disallowed for write access.
                return false;
            }
            IdentifierRef idref = (IdentifierRef) getTarget();
            // this also covers aliased imports:
            if (idref.getId().getName().equals(memberTypeName)) {
                // correct name.
                return true;
            } else {
                // wrong name, disallowed
                // search for alias, for better error reporting.
                Script sc = EcoreUtil2.getContainerOfType(context, Script.class);
                Optional<NamedImportSpecifier> namedImport = sc.getScriptElements().stream().filter(se -> se instanceof ImportDeclaration).map(se -> (ImportDeclaration) se).flatMap(idecl -> {
                    return idecl.getImportSpecifiers().stream().filter(is -> is instanceof NamedImportSpecifier).map(is -> (NamedImportSpecifier) is);
                }).filter(s -> s.getImportedElement() == memberType).findFirst();
                if (namedImport.isPresent()) {
                    // if alias is present assign, otherwise null will be passed through
                    memberTypeAlias = namedImport.get().getAlias();
                }
                return false;
            }
        }
    }
    return true;
}