Examples with ThisTarget org.eclipse.n4js.n4JS.ThisTarget used on opensource projects

Example 1 with ThisTarget

use of org.eclipse.n4js.n4JS.ThisTarget in project n4js by eclipse.

the class InternalTypeSystem method applyRuleThisTypeRefEObject.

protected Result<TypeRef> applyRuleThisTypeRefEObject(final RuleEnvironment G, final RuleApplicationTrace _trace_, final EObject location) throws RuleFailedException {
    // output parameter
    TypeRef T = null;
    final FunctionOrFieldAccessor containingFunctionOrAccessor = N4JSASTUtils.getContainingFunctionOrAccessor(location);
    boolean _matched = false;
    if (containingFunctionOrAccessor instanceof ArrowFunction) {
        _matched = true;
        /* G |~ containingFunctionOrAccessor ~> T */
        Result<TypeRef> result = thisTypeRefInternal(G, _trace_, ((ArrowFunction) containingFunctionOrAccessor));
        checkAssignableTo(result.getFirst(), TypeRef.class);
        T = (TypeRef) result.getFirst();
    }
    if (!_matched) {
        IdentifiableElement _definedFunctionOrAccessor = null;
        if (containingFunctionOrAccessor != null) {
            _definedFunctionOrAccessor = containingFunctionOrAccessor.getDefinedFunctionOrAccessor();
        }
        final IdentifiableElement containingTFunctionOrAccessor = _definedFunctionOrAccessor;
        final TypeRef declaredThisType = TypeSystemHelper.declaredThisType(containingTFunctionOrAccessor);
        if ((declaredThisType != null)) {
            if ((declaredThisType instanceof ParameterizedTypeRef)) {
                /* G |~ declaredThisType ~> T */
                Result<TypeRef> result = thisTypeRefInternal(G, _trace_, ((ParameterizedTypeRef) declaredThisType));
                checkAssignableTo(result.getFirst(), TypeRef.class);
                T = (TypeRef) result.getFirst();
            } else {
                T = declaredThisType;
            }
        } else {
            final ThisTarget thisTarget = N4JSASTUtils.getProbableThisTarget(location);
            boolean _matched_1 = false;
            if (thisTarget instanceof ObjectLiteral) {
                _matched_1 = true;
                /* G |- thisTarget: T */
                Result<TypeRef> result_1 = typeInternal(G, _trace_, ((ObjectLiteral) thisTarget));
                checkAssignableTo(result_1.getFirst(), TypeRef.class);
                T = (TypeRef) result_1.getFirst();
            }
            if (!_matched_1) {
                if (thisTarget instanceof N4ClassifierDefinition) {
                    _matched_1 = true;
                    Type thisTargetDEFTYPE = ((N4ClassifierDefinition) thisTarget).getDefinedType();
                    if ((thisTarget instanceof N4ClassDeclaration)) {
                        final TClass clazz = ((N4ClassDeclaration) thisTarget).getDefinedTypeAsClass();
                        if (((clazz != null) && clazz.isStaticPolyfill())) {
                            final Type actualClazz = clazz.getSuperClassRef().getDeclaredType();
                            if ((actualClazz != null)) {
                                thisTargetDEFTYPE = actualClazz;
                            }
                        }
                    }
                    if ((thisTargetDEFTYPE != null)) {
                        final FunctionDefinition containingFunction = N4JSASTUtils.getContainingFunction(location);
                        if (((containingFunction instanceof N4MethodDeclaration) && ((N4MemberDeclaration) containingFunction).isStatic())) {
                            boolean _isInReturnDeclaration_Of_StaticMethod = RuleEnvironmentExtensions.isInReturnDeclaration_Of_StaticMethod(location, ((N4MethodDeclaration) containingFunction));
                            if (_isInReturnDeclaration_Of_StaticMethod) {
                                /* G |~ thisTargetDEFTYPE.ref ~> T */
                                TypeRef _ref = TypeExtensions.ref(thisTargetDEFTYPE);
                                Result<TypeRef> result_1 = thisTypeRefInternal(G, _trace_, _ref);
                                checkAssignableTo(result_1.getFirst(), TypeRef.class);
                                T = (TypeRef) result_1.getFirst();
                            } else {
                                boolean _isInBody_Of_StaticMethod = RuleEnvironmentExtensions.isInBody_Of_StaticMethod(location, ((N4MethodDeclaration) containingFunction));
                                if (_isInBody_Of_StaticMethod) {
                                    T = TypeUtils.createClassifierBoundThisTypeRef(TypeUtils.createTypeTypeRef(TypeExtensions.ref(thisTargetDEFTYPE), false));
                                } else {
                                    T = TypeUtils.createConstructorTypeRef(thisTargetDEFTYPE);
                                }
                            }
                        } else {
                            final N4FieldDeclaration n4Field = EcoreUtil2.<N4FieldDeclaration>getContainerOfType(location, N4FieldDeclaration.class);
                            if (((n4Field != null) && n4Field.isStatic())) {
                                T = TypeRefsFactory.eINSTANCE.createUnknownTypeRef();
                            } else {
                                final N4GetterDeclaration n4Getter = EcoreUtil2.<N4GetterDeclaration>getContainerOfType(location, N4GetterDeclaration.class);
                                if (((n4Getter != null) && n4Getter.isStatic())) {
                                    T = TypeUtils.createConstructorTypeRef(thisTargetDEFTYPE);
                                } else {
                                    final N4SetterDeclaration n4Setter = EcoreUtil2.<N4SetterDeclaration>getContainerOfType(location, N4SetterDeclaration.class);
                                    if (((n4Setter != null) && n4Setter.isStatic())) {
                                        T = TypeUtils.createConstructorTypeRef(thisTargetDEFTYPE);
                                    } else {
                                        /* G |~ thisTargetDEFTYPE.ref ~> T */
                                        TypeRef _ref_1 = TypeExtensions.ref(thisTargetDEFTYPE);
                                        Result<TypeRef> result_2 = thisTypeRefInternal(G, _trace_, _ref_1);
                                        checkAssignableTo(result_2.getFirst(), TypeRef.class);
                                        T = (TypeRef) result_2.getFirst();
                                    }
                                }
                            }
                        }
                    } else {
                        T = RuleEnvironmentExtensions.anyTypeRefDynamic(G);
                    }
                }
            }
            if (!_matched_1) {
                boolean _hasGlobalObject = this.jsVariantHelper.hasGlobalObject(location);
                if (_hasGlobalObject) {
                    T = RuleEnvironmentExtensions.globalObjectTypeRef(G);
                } else {
                    T = RuleEnvironmentExtensions.undefinedTypeRef(G);
                }
            }
        }
    }
    return new Result<TypeRef>(T);
}