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Example 1 with AbstractTypeScope

use of org.eclipse.xtext.common.types.xtext.AbstractTypeScope in project xtext-xtend by eclipse.

the class XtendImportedNamespaceScopeProvider method getScope.

@Override
public IScope getScope(final EObject context, final EReference reference) {
    EClass referenceType = reference.getEReferenceType();
    if (TypesPackage.Literals.JVM_TYPE.isSuperTypeOf(referenceType)) {
        if (context instanceof XImportDeclaration) {
            Resource resource = context.eResource();
            IJvmTypeProvider typeProvider = typeScopeProvider.getTypeProvider(resource.getResourceSet());
            AbstractTypeScope typeScope = typeScopeProvider.createTypeScope(typeProvider, null);
            IResourceDescriptions descriptions = resourceDescriptionsProvider.getResourceDescriptions(context.eResource().getResourceSet());
            IResourceDescription resourceDescription = descriptions.getResourceDescription(resource.getURI());
            if (resourceDescription != null) {
                typeScope = new LocalResourceFilteringTypeScope(typeScope, resourceDescription);
            }
            RecordingTypeScope recordingTypeScope = new RecordingTypeScope(typeScope, getImportedNamesSet(resource), getQualifiedNameConverter());
            // TODO this scope doesn't support binary syntax for inner types. It should be a KnownTypes scope which doesn't allow simple names
            // Unfortunately I cannot use a RecordingTypeScope as a parent as it is not compatible...
            IScope scope = SelectableBasedScope.createScope(recordingTypeScope, getAllDescriptions(resource), reference.getEReferenceType(), false);
            return scope;
        }
        final XtendFile xtendFile = getXtendFile(context);
        final Resource resource = xtendFile.eResource();
        AbstractScope result = resourceScopeCache.get("type.scope", xtendFile.eResource(), new Provider<AbstractScope>() {

            @Override
            public AbstractScope get() {
                IJvmTypeProvider typeProvider = typeScopeProvider.getTypeProvider(resource.getResourceSet());
                AbstractTypeScope typeScope = typeScopeProvider.createTypeScope(typeProvider, null);
                IResourceDescriptions descriptions = resourceDescriptionsProvider.getResourceDescriptions(context.eResource().getResourceSet());
                IResourceDescription resourceDescription = descriptions.getResourceDescription(resource.getURI());
                if (resourceDescription != null) {
                    typeScope = new LocalResourceFilteringTypeScope(typeScope, resourceDescription);
                }
                RecordingTypeScope recordingTypeScope = new RecordingTypeScope(typeScope, getImportedNamesSet(resource), getQualifiedNameConverter());
                AbstractScope rootTypeScope = getRootTypeScope(xtendFile, recordingTypeScope);
                AbstractScope importScope = getImportScope(xtendFile.getImportSection(), rootTypeScope, recordingTypeScope);
                AbstractScope localTypes = getResourceTypeScope(xtendFile.eResource(), xtendFile.getPackage(), importScope);
                AbstractScope primitiveAware = new PrimitiveAwareScope(localTypes, typeScope);
                AbstractScope caching = new CachingTypeScope(primitiveAware);
                return caching;
            }
        });
        if (context instanceof AnonymousClass) {
            // necessary for the super type of an anonymous class expression
            JvmDeclaredType inferredAnonymousType = associations.getInferredType((AnonymousClass) context);
            if (inferredAnonymousType != null)
                result = new LocalTypeScope(singletonList(inferredAnonymousType), result);
        }
        XtendMember syntacticContainer = EcoreUtil2.getContainerOfType(context, XtendMember.class);
        if (syntacticContainer != null) {
            result = getContainerScope(syntacticContainer, result);
        }
        EObject logicalContainer = logicalContainerProvider.getNearestLogicalContainer(context);
        if (logicalContainer != null) {
            List<List<JvmTypeParameter>> typeParameters = new ArrayList<List<JvmTypeParameter>>();
            while (logicalContainer instanceof JvmTypeParameterDeclarator) {
                JvmTypeParameterDeclarator typeParamProvider = (JvmTypeParameterDeclarator) logicalContainer;
                if (!typeParamProvider.getTypeParameters().isEmpty()) {
                    typeParameters.add(typeParamProvider.getTypeParameters());
                }
                logicalContainer = logicalContainer.eContainer();
            }
            if (!typeParameters.isEmpty())
                result = new TypeParameterScope(typeParameters, result);
        }
        return result;
    } else if (TypesPackage.Literals.JVM_CONSTRUCTOR.isSuperTypeOf(referenceType)) {
        IScope typeScope = getScope(context, TypesPackage.Literals.JVM_PARAMETERIZED_TYPE_REFERENCE__TYPE);
        // this is not called from the type resolution where we want to allow constructors to link to interfaces
        // in order to improve the error message, therefore we use a strict wrapper here
        IScope result = new ConstructorTypeScopeWrapper(context, IVisibilityHelper.ALL, typeScope, true);
        return result;
    } else {
        throw new IllegalArgumentException("Unexpected global request for " + reference);
    }
}
Also used : IResourceDescription(org.eclipse.xtext.resource.IResourceDescription) XtendMember(org.eclipse.xtend.core.xtend.XtendMember) JvmTypeParameterDeclarator(org.eclipse.xtext.common.types.JvmTypeParameterDeclarator) AbstractTypeScope(org.eclipse.xtext.common.types.xtext.AbstractTypeScope) ArrayList(java.util.ArrayList) JvmDeclaredType(org.eclipse.xtext.common.types.JvmDeclaredType) IJvmTypeProvider(org.eclipse.xtext.common.types.access.IJvmTypeProvider) EClass(org.eclipse.emf.ecore.EClass) AnonymousClass(org.eclipse.xtend.core.xtend.AnonymousClass) EObject(org.eclipse.emf.ecore.EObject) IScope(org.eclipse.xtext.scoping.IScope) List(java.util.List) ArrayList(java.util.ArrayList) EList(org.eclipse.emf.common.util.EList) XtendFile(org.eclipse.xtend.core.xtend.XtendFile) JvmTypeParameter(org.eclipse.xtext.common.types.JvmTypeParameter) Resource(org.eclipse.emf.ecore.resource.Resource) XImportDeclaration(org.eclipse.xtext.xtype.XImportDeclaration) IResourceDescriptions(org.eclipse.xtext.resource.IResourceDescriptions) ConstructorTypeScopeWrapper(org.eclipse.xtext.xbase.scoping.batch.ConstructorTypeScopeWrapper)

Aggregations

ArrayList (java.util.ArrayList)1 List (java.util.List)1 EList (org.eclipse.emf.common.util.EList)1 EClass (org.eclipse.emf.ecore.EClass)1 EObject (org.eclipse.emf.ecore.EObject)1 Resource (org.eclipse.emf.ecore.resource.Resource)1 AnonymousClass (org.eclipse.xtend.core.xtend.AnonymousClass)1 XtendFile (org.eclipse.xtend.core.xtend.XtendFile)1 XtendMember (org.eclipse.xtend.core.xtend.XtendMember)1 JvmDeclaredType (org.eclipse.xtext.common.types.JvmDeclaredType)1 JvmTypeParameter (org.eclipse.xtext.common.types.JvmTypeParameter)1 JvmTypeParameterDeclarator (org.eclipse.xtext.common.types.JvmTypeParameterDeclarator)1 IJvmTypeProvider (org.eclipse.xtext.common.types.access.IJvmTypeProvider)1 AbstractTypeScope (org.eclipse.xtext.common.types.xtext.AbstractTypeScope)1 IResourceDescription (org.eclipse.xtext.resource.IResourceDescription)1 IResourceDescriptions (org.eclipse.xtext.resource.IResourceDescriptions)1 IScope (org.eclipse.xtext.scoping.IScope)1 ConstructorTypeScopeWrapper (org.eclipse.xtext.xbase.scoping.batch.ConstructorTypeScopeWrapper)1 XImportDeclaration (org.eclipse.xtext.xtype.XImportDeclaration)1