Examples with Wildcard org.eclipse.n4js.ts.typeRefs.Wildcard used on opensource projects

Example 16 with Wildcard

use of org.eclipse.n4js.ts.typeRefs.Wildcard in project n4js by eclipse.

the class InternalTypeSystem method applyRuleSubtypeExistentialTypeRef_Left.

protected Result<Boolean> applyRuleSubtypeExistentialTypeRef_Left(final RuleEnvironment G, final RuleApplicationTrace _trace_, final ExistentialTypeRef existentialTypeRef, final TypeRef right) throws RuleFailedException {
    boolean _isExistentialTypeToBeReopened = RuleEnvironmentExtensions.isExistentialTypeToBeReopened(G, existentialTypeRef);
    if (_isExistentialTypeToBeReopened) {
        final Wildcard wildThing = existentialTypeRef.getWildcard();
        /* G |~ wildThing /\ var TypeRef upperBound */
        TypeRef upperBound = null;
        Result<TypeRef> result = upperBoundInternal(G, _trace_, wildThing);
        checkAssignableTo(result.getFirst(), TypeRef.class);
        upperBound = (TypeRef) result.getFirst();
        /* G |~ wildThing \/ var TypeRef lowerBound */
        TypeRef lowerBound = null;
        Result<TypeRef> result_1 = lowerBoundInternal(G, _trace_, wildThing);
        checkAssignableTo(result_1.getFirst(), TypeRef.class);
        lowerBound = (TypeRef) result_1.getFirst();
        /* G |- right <: upperBound */
        subtypeInternal(G, _trace_, right, upperBound);
        /* G |- lowerBound <: right */
        subtypeInternal(G, _trace_, lowerBound, right);
    } else {
        /* existentialTypeRef===right or { G |~ existentialTypeRef /\ var TypeRef upperExt G |- upperExt <: right } */
        {
            RuleFailedException previousFailure = null;
            try {
                /* existentialTypeRef===right */
                if (!(existentialTypeRef == right)) {
                    sneakyThrowRuleFailedException("existentialTypeRef===right");
                }
            } catch (Exception e) {
                previousFailure = extractRuleFailedException(e);
                /* G |~ existentialTypeRef /\ var TypeRef upperExt */
                TypeRef upperExt = null;
                Result<TypeRef> result_2 = upperBoundInternal(G, _trace_, existentialTypeRef);
                checkAssignableTo(result_2.getFirst(), TypeRef.class);
                upperExt = (TypeRef) result_2.getFirst();
                /* G |- upperExt <: right */
                subtypeInternal(G, _trace_, upperExt, right);
            }
        }
    }
    return new Result<Boolean>(true);
}

Example 17 with Wildcard

use of org.eclipse.n4js.ts.typeRefs.Wildcard in project n4js by eclipse.

the class InternalTypeSystem method applyRuleTypePropertyAccessExpression.

protected Result<TypeRef> applyRuleTypePropertyAccessExpression(final RuleEnvironment G, final RuleApplicationTrace _trace_, final ParameterizedPropertyAccessExpression expr) throws RuleFailedException {
    // output parameter
    TypeRef T = null;
    /* { T = env(G, GUARD_TYPE_PROPERTY_ACCESS_EXPRESSION -> expr, TypeRef) } or { val G2 = G.wrap G2.add(GUARD_TYPE_PROPERTY_ACCESS_EXPRESSION -> expr, G2.anyTypeRef) G2 |- expr.target : var TypeRef receiverTypeRef typeSystemHelper.addSubstitutions(G2,receiverTypeRef) G2.addThisType(receiverTypeRef) if (! (receiverTypeRef instanceof UnknownTypeRef) && (expr.target instanceof SuperLiteral || expr.target instanceof ThisLiteral) ) { var containingClass = EcoreUtil2.getContainerOfType(expr,N4ClassDeclaration)?.definedType; if (containingClass instanceof TClass) { if (containingClass.isStaticPolyfill) { containingClass = containingClass.superClassRef?.declaredType } if (containingClass instanceof TClass) { if (containingClass?.superClassRef!==null) { typeSystemHelper.addSubstitutions(G2, containingClass.superClassRef) } } } } val prop = expr.property; var TypeRef propTypeRef; if(prop instanceof TMethod && (prop as TMethod).isConstructor) { val TypeArgument ctorTypeArg = switch(receiverTypeRef) { TypeTypeRef: G.functionTypeRef ParameterizedTypeRef, BoundThisTypeRef: { val declType = if(receiverTypeRef instanceof BoundThisTypeRef) { receiverTypeRef.actualThisTypeRef?.declaredType } else { receiverTypeRef.declaredType }; val finalCtorSig = if(declType instanceof TClassifier) N4JSLanguageUtils.hasCovariantConstructor(declType); if(finalCtorSig) { declType.ref } else if(declType!==null) { TypeUtils.createWildcardExtends(declType.ref) } else { null } } }; propTypeRef = if(ctorTypeArg!==null) { TypeUtils.createTypeTypeRef(ctorTypeArg, true) } else { TypeRefsFactory.eINSTANCE.createUnknownTypeRef }; } else if(receiverTypeRef.dynamic && prop!==null && prop.eIsProxy) { propTypeRef = G.anyTypeRefDynamic; } else { G2.wrap |- prop : propTypeRef if(expr.parameterized) { typeSystemHelper.addSubstitutions(G2,expr); } } G2 |- propTypeRef ~> T T = versionResolver.resolveVersion(T, receiverTypeRef); if (expr.target instanceof SuperLiteral && T instanceof FunctionTypeExprOrRef ) { val F = T as FunctionTypeExprOrRef; if ((T as FunctionTypeExprOrRef).returnTypeRef instanceof BoundThisTypeRef) { var TypeRef rawT; G |~ expr ~> rawT; val thisTypeRef = TypeUtils.enforceNominalTyping(rawT); if (T instanceof FunctionTypeExpression && T.eContainer===null) { val fte = T as FunctionTypeExpression fte.returnTypeRef = TypeUtils.copyIfContained(thisTypeRef); } else { T = TypeUtils.createFunctionTypeExpression(null, F.typeVars, F.fpars, thisTypeRef); } } } } */
    {
        RuleFailedException previousFailure = null;
        try {
            Pair<String, ParameterizedPropertyAccessExpression> _mappedTo = Pair.<String, ParameterizedPropertyAccessExpression>of(RuleEnvironmentExtensions.GUARD_TYPE_PROPERTY_ACCESS_EXPRESSION, expr);
            T = this.<TypeRef>env(G, _mappedTo, TypeRef.class);
        } catch (Exception e) {
            previousFailure = extractRuleFailedException(e);
            final RuleEnvironment G2 = RuleEnvironmentExtensions.wrap(G);
            Pair<String, ParameterizedPropertyAccessExpression> _mappedTo_1 = Pair.<String, ParameterizedPropertyAccessExpression>of(RuleEnvironmentExtensions.GUARD_TYPE_PROPERTY_ACCESS_EXPRESSION, expr);
            boolean _add = G2.add(_mappedTo_1, RuleEnvironmentExtensions.anyTypeRef(G2));
            /* G2.add(GUARD_TYPE_PROPERTY_ACCESS_EXPRESSION -> expr, G2.anyTypeRef) */
            if (!_add) {
                sneakyThrowRuleFailedException("G2.add(GUARD_TYPE_PROPERTY_ACCESS_EXPRESSION -> expr, G2.anyTypeRef)");
            }
            /* G2 |- expr.target : var TypeRef receiverTypeRef */
            Expression _target = expr.getTarget();
            TypeRef receiverTypeRef = null;
            Result<TypeRef> result = typeInternal(G2, _trace_, _target);
            checkAssignableTo(result.getFirst(), TypeRef.class);
            receiverTypeRef = (TypeRef) result.getFirst();
            this.typeSystemHelper.addSubstitutions(G2, receiverTypeRef);
            RuleEnvironmentExtensions.addThisType(G2, receiverTypeRef);
            if (((!(receiverTypeRef instanceof UnknownTypeRef)) && ((expr.getTarget() instanceof SuperLiteral) || (expr.getTarget() instanceof ThisLiteral)))) {
                N4ClassDeclaration _containerOfType = EcoreUtil2.<N4ClassDeclaration>getContainerOfType(expr, N4ClassDeclaration.class);
                Type _definedType = null;
                if (_containerOfType != null) {
                    _definedType = _containerOfType.getDefinedType();
                }
                Type containingClass = _definedType;
                if ((containingClass instanceof TClass)) {
                    boolean _isStaticPolyfill = ((TClass) containingClass).isStaticPolyfill();
                    if (_isStaticPolyfill) {
                        ParameterizedTypeRef _superClassRef = ((TClass) containingClass).getSuperClassRef();
                        Type _declaredType = null;
                        if (_superClassRef != null) {
                            _declaredType = _superClassRef.getDeclaredType();
                        }
                        containingClass = _declaredType;
                    }
                    if ((containingClass instanceof TClass)) {
                        ParameterizedTypeRef _superClassRef_1 = null;
                        if (((TClass) containingClass) != null) {
                            _superClassRef_1 = ((TClass) containingClass).getSuperClassRef();
                        }
                        boolean _tripleNotEquals = (_superClassRef_1 != null);
                        if (_tripleNotEquals) {
                            this.typeSystemHelper.addSubstitutions(G2, ((TClass) containingClass).getSuperClassRef());
                        }
                    }
                }
            }
            final IdentifiableElement prop = expr.getProperty();
            TypeRef propTypeRef = null;
            if (((prop instanceof TMethod) && ((TMethod) prop).isConstructor())) {
                TypeArgument _switchResult = null;
                boolean _matched = false;
                if (receiverTypeRef instanceof TypeTypeRef) {
                    _matched = true;
                    _switchResult = RuleEnvironmentExtensions.functionTypeRef(G);
                }
                if (!_matched) {
                    if (receiverTypeRef instanceof ParameterizedTypeRef) {
                        _matched = true;
                    }
                    if (!_matched) {
                        if (receiverTypeRef instanceof BoundThisTypeRef) {
                            _matched = true;
                        }
                    }
                    if (_matched) {
                        TypeArgument _xblockexpression = null;
                        {
                            Type _xifexpression = null;
                            if ((receiverTypeRef instanceof BoundThisTypeRef)) {
                                ParameterizedTypeRef _actualThisTypeRef = ((BoundThisTypeRef) receiverTypeRef).getActualThisTypeRef();
                                Type _declaredType_1 = null;
                                if (_actualThisTypeRef != null) {
                                    _declaredType_1 = _actualThisTypeRef.getDeclaredType();
                                }
                                _xifexpression = _declaredType_1;
                            } else {
                                _xifexpression = ((BaseTypeRef) receiverTypeRef).getDeclaredType();
                            }
                            final Type declType = _xifexpression;
                            boolean _xifexpression_1 = false;
                            if ((declType instanceof TClassifier)) {
                                _xifexpression_1 = N4JSLanguageUtils.hasCovariantConstructor(((TClassifier) declType));
                            }
                            final boolean finalCtorSig = _xifexpression_1;
                            TypeArgument _xifexpression_2 = null;
                            if (finalCtorSig) {
                                _xifexpression_2 = TypeExtensions.ref(declType);
                            } else {
                                Wildcard _xifexpression_3 = null;
                                if ((declType != null)) {
                                    _xifexpression_3 = TypeUtils.createWildcardExtends(TypeExtensions.ref(declType));
                                } else {
                                    _xifexpression_3 = null;
                                }
                                _xifexpression_2 = _xifexpression_3;
                            }
                            _xblockexpression = (_xifexpression_2);
                        }
                        _switchResult = _xblockexpression;
                    }
                }
                final TypeArgument ctorTypeArg = _switchResult;
                TypeRef _xifexpression = null;
                if ((ctorTypeArg != null)) {
                    _xifexpression = TypeUtils.createTypeTypeRef(ctorTypeArg, true);
                } else {
                    _xifexpression = TypeRefsFactory.eINSTANCE.createUnknownTypeRef();
                }
                propTypeRef = _xifexpression;
            } else {
                if (((receiverTypeRef.isDynamic() && (prop != null)) && prop.eIsProxy())) {
                    propTypeRef = RuleEnvironmentExtensions.anyTypeRefDynamic(G);
                } else {
                    /* G2.wrap |- prop : propTypeRef */
                    RuleEnvironment _wrap = RuleEnvironmentExtensions.wrap(G2);
                    Result<TypeRef> result_1 = typeInternal(_wrap, _trace_, prop);
                    checkAssignableTo(result_1.getFirst(), TypeRef.class);
                    propTypeRef = (TypeRef) result_1.getFirst();
                    boolean _isParameterized = expr.isParameterized();
                    if (_isParameterized) {
                        this.typeSystemHelper.addSubstitutions(G2, expr);
                    }
                }
            }
            /* G2 |- propTypeRef ~> T */
            Result<TypeArgument> result_2 = substTypeVariablesInternal(G2, _trace_, propTypeRef);
            checkAssignableTo(result_2.getFirst(), TypeRef.class);
            T = (TypeRef) result_2.getFirst();
            T = this.versionResolver.<TypeRef, TypeRef>resolveVersion(T, receiverTypeRef);
            if (((expr.getTarget() instanceof SuperLiteral) && (T instanceof FunctionTypeExprOrRef))) {
                final FunctionTypeExprOrRef F = ((FunctionTypeExprOrRef) T);
                TypeRef _returnTypeRef = ((FunctionTypeExprOrRef) T).getReturnTypeRef();
                if ((_returnTypeRef instanceof BoundThisTypeRef)) {
                    TypeRef rawT = null;
                    /* G |~ expr ~> rawT */
                    Result<TypeRef> result_3 = thisTypeRefInternal(G, _trace_, expr);
                    checkAssignableTo(result_3.getFirst(), TypeRef.class);
                    rawT = (TypeRef) result_3.getFirst();
                    final TypeRef thisTypeRef = TypeUtils.enforceNominalTyping(rawT);
                    if (((T instanceof FunctionTypeExpression) && (T.eContainer() == null))) {
                        final FunctionTypeExpression fte = ((FunctionTypeExpression) T);
                        fte.setReturnTypeRef(TypeUtils.<TypeRef>copyIfContained(thisTypeRef));
                    } else {
                        T = TypeUtils.createFunctionTypeExpression(null, F.getTypeVars(), F.getFpars(), thisTypeRef);
                    }
                }
            }
        }
    }
    return new Result<TypeRef>(T);
}

Example 18 with Wildcard

use of org.eclipse.n4js.ts.typeRefs.Wildcard in project n4js by eclipse.

the class InternalTypeSystem method applyRuleExpectedTypeInForStatement.

protected Result<TypeRef> applyRuleExpectedTypeInForStatement(final RuleEnvironment G, final RuleApplicationTrace _trace_, final ForStatement forStmnt, final Expression expression) throws RuleFailedException {
    // output parameter
    TypeRef T = null;
    if ((forStmnt.isForOf() && (expression == forStmnt.getExpression()))) {
        final Wildcard wildThing = TypeRefsFactory.eINSTANCE.createWildcard();
        boolean _isTopOfDestructuringForStatement = DestructureUtils.isTopOfDestructuringForStatement(forStmnt);
        if (_isTopOfDestructuringForStatement) {
        } else {
            VariableDeclaration _xifexpression = null;
            boolean _isEmpty = forStmnt.getVarDecl().isEmpty();
            boolean _not = (!_isEmpty);
            if (_not) {
                _xifexpression = forStmnt.getVarDecl().get(0);
            }
            final VariableDeclaration varDeclInFor = _xifexpression;
            VariableDeclaration _xifexpression_1 = null;
            if (((forStmnt.getInitExpr() instanceof IdentifierRef) && (((IdentifierRef) forStmnt.getInitExpr()).getId() instanceof VariableDeclaration))) {
                Expression _initExpr = forStmnt.getInitExpr();
                IdentifiableElement _id = ((IdentifierRef) _initExpr).getId();
                _xifexpression_1 = ((VariableDeclaration) _id);
            }
            final VariableDeclaration varDeclOutside = _xifexpression_1;
            boolean _or = false;
            TypeRef _declaredTypeRef = null;
            if (varDeclInFor != null) {
                _declaredTypeRef = varDeclInFor.getDeclaredTypeRef();
            }
            boolean _tripleNotEquals = (_declaredTypeRef != null);
            if (_tripleNotEquals) {
                _or = true;
            } else {
                _or = (varDeclOutside != null);
            }
            if (_or) {
                VariableDeclaration _xifexpression_2 = null;
                if ((varDeclOutside != null)) {
                    _xifexpression_2 = varDeclOutside;
                } else {
                    _xifexpression_2 = varDeclInFor;
                }
                final VariableDeclaration varDecl = _xifexpression_2;
                /* G |- varDecl : var TypeRef varTypeRef */
                TypeRef varTypeRef = null;
                Result<TypeRef> result = typeInternal(G, _trace_, varDecl);
                checkAssignableTo(result.getFirst(), TypeRef.class);
                varTypeRef = (TypeRef) result.getFirst();
                wildThing.setDeclaredUpperBound(TypeUtils.<TypeRef>copyIfContained(varTypeRef));
            }
        }
        T = RuleEnvironmentExtensions.iterableTypeRef(G, wildThing);
    } else {
        if ((forStmnt.isForIn() && (expression == forStmnt.getExpression()))) {
            T = TypeUtils.createNonSimplifiedUnionType(RuleEnvironmentExtensions.objectTypeRef(G), RuleEnvironmentExtensions.stringTypeRef(G), RuleEnvironmentExtensions.argumentsTypeRef(G));
        }
    }
    return new Result<TypeRef>(T);
}