Examples with Result org.eclipse.xsemantics.runtime.Result used on opensource projects

Example 6 with Result

use of org.eclipse.xsemantics.runtime.Result in project n4js by eclipse.

the class InternalTypeSystem method applyRuleTypeConditionalExpression.

protected Result<TypeRef> applyRuleTypeConditionalExpression(final RuleEnvironment G, final RuleApplicationTrace _trace_, final ConditionalExpression expr) throws RuleFailedException {
    // output parameter
    TypeRef T = null;
    /* G |- expr.trueExpression : var TypeRef left */
    Expression _trueExpression = expr.getTrueExpression();
    TypeRef left = null;
    Result<TypeRef> result = typeInternal(G, _trace_, _trueExpression);
    checkAssignableTo(result.getFirst(), TypeRef.class);
    left = (TypeRef) result.getFirst();
    /* G |- expr.falseExpression : var TypeRef right */
    Expression _falseExpression = expr.getFalseExpression();
    TypeRef right = null;
    Result<TypeRef> result_1 = typeInternal(G, _trace_, _falseExpression);
    checkAssignableTo(result_1.getFirst(), TypeRef.class);
    right = (TypeRef) result_1.getFirst();
    T = this.typeSystemHelper.createUnionType(G, left, right);
    return new Result<TypeRef>(T);
}

Example 7 with Result

use of org.eclipse.xsemantics.runtime.Result in project n4js by eclipse.

the class InternalTypeSystem method applyRuleExpectedTypeInAdditiveExpression.

protected Result<TypeRef> applyRuleExpectedTypeInAdditiveExpression(final RuleEnvironment G, final RuleApplicationTrace _trace_, final AdditiveExpression e, final Expression expression) throws RuleFailedException {
    // output parameter
    TypeRef T = null;
    T = RuleEnvironmentExtensions.anyTypeRef(G);
    return new Result<TypeRef>(T);
}

Example 8 with Result

use of org.eclipse.xsemantics.runtime.Result in project n4js by eclipse.

the class InternalTypeSystem method applyRuleTypeJSXElement.

protected Result<TypeRef> applyRuleTypeJSXElement(final RuleEnvironment G, final RuleApplicationTrace _trace_, final JSXElement expr) throws RuleFailedException {
    // output parameter
    TypeRef T = null;
    final TClassifier classifierReactElement = this.reactHelper.lookUpReactElement(expr);
    if ((classifierReactElement != null)) {
        T = TypeExtensions.ref(classifierReactElement);
    } else {
        T = TypeRefsFactory.eINSTANCE.createUnknownTypeRef();
    }
    return new Result<TypeRef>(T);
}

Example 9 with Result

use of org.eclipse.xsemantics.runtime.Result in project n4js by eclipse.

the class InternalTypeSystem method applyRuleSubtypeTypeTypeRef.

protected Result<Boolean> applyRuleSubtypeTypeTypeRef(final RuleEnvironment G, final RuleApplicationTrace _trace_, final TypeTypeRef left, final TypeTypeRef right) throws RuleFailedException {
    final TypeArgument leftTypeArg = left.getTypeArg();
    final TypeArgument rightTypeArg = right.getTypeArg();
    final boolean leftIsCtorRef = left.isConstructorRef();
    final boolean rightIsCtorRef = right.isConstructorRef();
    final boolean rightHasTypeRef = (rightTypeArg instanceof TypeRef);
    if (((!leftIsCtorRef) && rightIsCtorRef)) {
        /* fail */
        throwForExplicitFail();
    } else {
        if ((rightHasTypeRef && (!rightIsCtorRef))) {
            /* G |- leftTypeArg <: rightTypeArg */
            subtypeInternal(G, _trace_, leftTypeArg, rightTypeArg);
        } else {
            if ((rightHasTypeRef && rightIsCtorRef)) {
                final Type left_staticType = this.typeSystemHelper.getStaticType(G, left);
                final Type right_staticType = this.typeSystemHelper.getStaticType(G, right);
                final boolean leftHasCovariantConstructor = ((left_staticType instanceof TClassifier) && N4JSLanguageUtils.hasCovariantConstructor(((TClassifier) left_staticType)));
                /* !(leftTypeArg instanceof Wildcard || leftTypeArg instanceof ExistentialTypeRef || leftTypeArg instanceof ThisTypeRef) || leftHasCovariantConstructor */
                if (!((!(((leftTypeArg instanceof Wildcard) || (leftTypeArg instanceof ExistentialTypeRef)) || (leftTypeArg instanceof ThisTypeRef))) || leftHasCovariantConstructor)) {
                    sneakyThrowRuleFailedException("!(leftTypeArg instanceof Wildcard || leftTypeArg instanceof ExistentialTypeRef || leftTypeArg instanceof ThisTypeRef) || leftHasCovariantConstructor");
                }
                /* G |- leftTypeArg <: rightTypeArg */
                subtypeInternal(G, _trace_, leftTypeArg, rightTypeArg);
                if (((left_staticType instanceof TypeVariable) || (right_staticType instanceof TypeVariable))) {
                    /* left_staticType === right_staticType */
                    if (!(left_staticType == right_staticType)) {
                        sneakyThrowRuleFailedException("left_staticType === right_staticType");
                    }
                } else {
                    final TMethod leftCtor = this.containerTypesHelper.fromContext(RuleEnvironmentExtensions.getContextResource(G)).findConstructor(((ContainerType<?>) left_staticType));
                    final TMethod rightCtor = this.containerTypesHelper.fromContext(RuleEnvironmentExtensions.getContextResource(G)).findConstructor(((ContainerType<?>) right_staticType));
                    /* leftCtor!==null && rightCtor!==null */
                    if (!((leftCtor != null) && (rightCtor != null))) {
                        sneakyThrowRuleFailedException("leftCtor!==null && rightCtor!==null");
                    }
                    /* G |- leftCtor : var TypeRef leftCtorRef */
                    TypeRef leftCtorRef = null;
                    Result<TypeRef> result = typeInternal(G, _trace_, leftCtor);
                    checkAssignableTo(result.getFirst(), TypeRef.class);
                    leftCtorRef = (TypeRef) result.getFirst();
                    /* G |- rightCtor : var TypeRef rightCtorRef */
                    TypeRef rightCtorRef = null;
                    Result<TypeRef> result_1 = typeInternal(G, _trace_, rightCtor);
                    checkAssignableTo(result_1.getFirst(), TypeRef.class);
                    rightCtorRef = (TypeRef) result_1.getFirst();
                    final RuleEnvironment G_left = RuleEnvironmentExtensions.wrap(G);
                    final RuleEnvironment G_right = RuleEnvironmentExtensions.wrap(G);
                    this.typeSystemHelper.addSubstitutions(G_left, TypeExtensions.ref(left_staticType));
                    RuleEnvironmentExtensions.addThisType(G_left, TypeExtensions.ref(left_staticType));
                    this.typeSystemHelper.addSubstitutions(G_right, TypeExtensions.ref(right_staticType));
                    RuleEnvironmentExtensions.addThisType(G_right, TypeExtensions.ref(right_staticType));
                    /* G_left |- leftCtorRef ~> var TypeRef leftCtorRefSubst */
                    TypeRef leftCtorRefSubst = null;
                    Result<TypeArgument> result_2 = substTypeVariablesInternal(G_left, _trace_, leftCtorRef);
                    checkAssignableTo(result_2.getFirst(), TypeRef.class);
                    leftCtorRefSubst = (TypeRef) result_2.getFirst();
                    /* G_right |- rightCtorRef ~> var TypeRef rightCtorRefSubst */
                    TypeRef rightCtorRefSubst = null;
                    Result<TypeArgument> result_3 = substTypeVariablesInternal(G_right, _trace_, rightCtorRef);
                    checkAssignableTo(result_3.getFirst(), TypeRef.class);
                    rightCtorRefSubst = (TypeRef) result_3.getFirst();
                    /* G |- leftCtorRefSubst <: rightCtorRefSubst */
                    subtypeInternal(G, _trace_, leftCtorRefSubst, rightCtorRefSubst);
                }
            } else {
                /* G |~ leftTypeArg /\ var TypeRef upperBoundLeft */
                TypeRef upperBoundLeft = null;
                Result<TypeRef> result_4 = upperBoundInternal(G, _trace_, leftTypeArg);
                checkAssignableTo(result_4.getFirst(), TypeRef.class);
                upperBoundLeft = (TypeRef) result_4.getFirst();
                /* G |~ leftTypeArg \/ var TypeRef lowerBoundLeft */
                TypeRef lowerBoundLeft = null;
                Result<TypeRef> result_5 = lowerBoundInternal(G, _trace_, leftTypeArg);
                checkAssignableTo(result_5.getFirst(), TypeRef.class);
                lowerBoundLeft = (TypeRef) result_5.getFirst();
                /* G |~ rightTypeArg /\ var TypeRef upperBoundRight */
                TypeRef upperBoundRight = null;
                Result<TypeRef> result_6 = upperBoundInternal(G, _trace_, rightTypeArg);
                checkAssignableTo(result_6.getFirst(), TypeRef.class);
                upperBoundRight = (TypeRef) result_6.getFirst();
                /* G |~ rightTypeArg \/ var TypeRef lowerBoundRight */
                TypeRef lowerBoundRight = null;
                Result<TypeRef> result_7 = lowerBoundInternal(G, _trace_, rightTypeArg);
                checkAssignableTo(result_7.getFirst(), TypeRef.class);
                lowerBoundRight = (TypeRef) result_7.getFirst();
                /* G |- upperBoundLeft <: upperBoundRight */
                subtypeInternal(G, _trace_, upperBoundLeft, upperBoundRight);
                /* G |- lowerBoundRight <: lowerBoundLeft */
                subtypeInternal(G, _trace_, lowerBoundRight, lowerBoundLeft);
            }
        }
    }
    return new Result<Boolean>(true);
}

Example 10 with Result

use of org.eclipse.xsemantics.runtime.Result in project n4js by eclipse.

the class InternalTypeSystem method applyRuleExpectedTypeInPostfixExpression.

protected Result<TypeRef> applyRuleExpectedTypeInPostfixExpression(final RuleEnvironment G, final RuleApplicationTrace _trace_, final PostfixExpression e, final Expression expression) throws RuleFailedException {
    // output parameter
    TypeRef T = null;
    boolean _isTypeAware = this.jsVariantHelper.isTypeAware(e);
    if (_isTypeAware) {
        T = RuleEnvironmentExtensions.numberTypeRef(G);
    } else {
        T = RuleEnvironmentExtensions.anyTypeRef(G);
    }
    return new Result<TypeRef>(T);
}