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

Example 6 with BoundThisTypeRef

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

the class TypeUtils method createClassifierBoundThisTypeRef.

/**
 * from type{S} to type{this[S]}, as Part of IDE-785
 *
 * @param actualThisTypeRef
 *            must not be null, must not contain a this unbound-this-type-ref.
 */
public static TypeTypeRef createClassifierBoundThisTypeRef(TypeTypeRef actualThisTypeRef) {
    if (actualThisTypeRef == null) {
        throw new NullPointerException("Actual this type must not be null!");
    }
    TypeArgument typeArg = actualThisTypeRef.getTypeArg();
    final BoundThisTypeRef boundThisTypeRef;
    if (typeArg instanceof ParameterizedTypeRef) {
        boundThisTypeRef = createBoundThisTypeRef((ParameterizedTypeRef) typeArg);
    } else if (typeArg instanceof BoundThisTypeRef) {
        boundThisTypeRef = (BoundThisTypeRef) typeArg;
    } else {
        // invalid use
        throw new IllegalArgumentException("Cannot turn unbound type{this} into type{this[X]}, must be called with type{X}!");
    }
    TypeTypeRef classifierBoundThisTypeRef = createTypeTypeRef(boundThisTypeRef, false);
    // TODO is there anything else to copy ?
    return classifierBoundThisTypeRef;
}

Example 7 with BoundThisTypeRef

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

the class InternalTypeSystem method applyRuleUpperBoundThisTypeRef.

protected Result<TypeRef> applyRuleUpperBoundThisTypeRef(final RuleEnvironment G, final RuleApplicationTrace _trace_, final BoundThisTypeRef boundThisTypeRef) throws RuleFailedException {
    // output parameter
    TypeRef T = null;
    T = TypeUtils.createResolvedThisTypeRef(boundThisTypeRef);
    TypeUtils.copyTypeModifiers(T, boundThisTypeRef);
    return new Result<TypeRef>(T);
}

Example 8 with BoundThisTypeRef

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

the class InternalTypeSystem method applyRuleTypeCallExpression.

protected Result<TypeRef> applyRuleTypeCallExpression(final RuleEnvironment G, final RuleApplicationTrace _trace_, final ParameterizedCallExpression expr) throws RuleFailedException {
    // output parameter
    TypeRef T = null;
    /* G |- expr.target : var TypeRef targetTypeRef */
    Expression _target = expr.getTarget();
    TypeRef targetTypeRef = null;
    Result<TypeRef> result = typeInternal(G, _trace_, _target);
    checkAssignableTo(result.getFirst(), TypeRef.class);
    targetTypeRef = (TypeRef) result.getFirst();
    if ((targetTypeRef instanceof FunctionTypeExprOrRef)) {
        final FunctionTypeExprOrRef F = ((FunctionTypeExprOrRef) targetTypeRef);
        final TFunction tFunction = F.getFunctionType();
        /* { val inferring = env(G, GUARD_TYPE_CALL_EXPRESSION -> expr, TypeRef) G |- inferring ~> T } or { val G2 = G.wrap; G2.add(GUARD_TYPE_CALL_EXPRESSION -> expr, F.returnTypeRef) if(expr.eContainer instanceof AwaitExpression && expr.eContainmentFeature === N4JSPackage.eINSTANCE.getAwaitExpression_Expression() && tFunction!==null && AnnotationDefinition.PROMISIFIABLE.hasAnnotation(tFunction)) { T = promisifyHelper.extractPromisifiedReturnType(expr); } else { T = F.returnTypeRef ?: G.anyTypeRef; } typeSystemHelper.addSubstitutions(G2, expr, targetTypeRef); G2 |- T ~> T T = versionResolver.resolveVersion(T, F); if (T instanceof BoundThisTypeRef && !(expr.receiver instanceof ThisLiteral || expr.receiver instanceof SuperLiteral)) { G2 |~ T /\ T } } */
        {
            RuleFailedException previousFailure = null;
            try {
                Pair<String, ParameterizedCallExpression> _mappedTo = Pair.<String, ParameterizedCallExpression>of(RuleEnvironmentExtensions.GUARD_TYPE_CALL_EXPRESSION, expr);
                final TypeRef inferring = this.<TypeRef>env(G, _mappedTo, TypeRef.class);
                /* G |- inferring ~> T */
                Result<TypeArgument> result_1 = substTypeVariablesInternal(G, _trace_, inferring);
                checkAssignableTo(result_1.getFirst(), TypeRef.class);
                T = (TypeRef) result_1.getFirst();
            } catch (Exception e) {
                previousFailure = extractRuleFailedException(e);
                final RuleEnvironment G2 = RuleEnvironmentExtensions.wrap(G);
                Pair<String, ParameterizedCallExpression> _mappedTo_1 = Pair.<String, ParameterizedCallExpression>of(RuleEnvironmentExtensions.GUARD_TYPE_CALL_EXPRESSION, expr);
                boolean _add = G2.add(_mappedTo_1, F.getReturnTypeRef());
                /* G2.add(GUARD_TYPE_CALL_EXPRESSION -> expr, F.returnTypeRef) */
                if (!_add) {
                    sneakyThrowRuleFailedException("G2.add(GUARD_TYPE_CALL_EXPRESSION -> expr, F.returnTypeRef)");
                }
                if (((((expr.eContainer() instanceof AwaitExpression) && (expr.eContainmentFeature() == N4JSPackage.eINSTANCE.getAwaitExpression_Expression())) && (tFunction != null)) && AnnotationDefinition.PROMISIFIABLE.hasAnnotation(tFunction))) {
                    T = this.promisifyHelper.extractPromisifiedReturnType(expr);
                } else {
                    TypeRef _elvis = null;
                    TypeRef _returnTypeRef = F.getReturnTypeRef();
                    if (_returnTypeRef != null) {
                        _elvis = _returnTypeRef;
                    } else {
                        ParameterizedTypeRef _anyTypeRef = RuleEnvironmentExtensions.anyTypeRef(G);
                        _elvis = _anyTypeRef;
                    }
                    T = _elvis;
                }
                this.typeSystemHelper.addSubstitutions(G2, expr, targetTypeRef);
                /* G2 |- T ~> T */
                Result<TypeArgument> result_2 = substTypeVariablesInternal(G2, _trace_, T);
                checkAssignableTo(result_2.getFirst(), TypeRef.class);
                T = (TypeRef) result_2.getFirst();
                T = this.versionResolver.<TypeRef, FunctionTypeExprOrRef>resolveVersion(T, F);
                if (((T instanceof BoundThisTypeRef) && (!((expr.getReceiver() instanceof ThisLiteral) || (expr.getReceiver() instanceof SuperLiteral))))) {
                    /* G2 |~ T /\ T */
                    Result<TypeRef> result_3 = upperBoundInternal(G2, _trace_, T);
                    checkAssignableTo(result_3.getFirst(), TypeRef.class);
                    T = (TypeRef) result_3.getFirst();
                }
            }
        }
    } else {
        Type _declaredType = null;
        if (targetTypeRef != null) {
            _declaredType = targetTypeRef.getDeclaredType();
        }
        TObjectPrototype _functionType = RuleEnvironmentExtensions.functionType(G);
        boolean _tripleEquals = (_declaredType == _functionType);
        if (_tripleEquals) {
            T = RuleEnvironmentExtensions.anyTypeRef(G);
        } else {
            boolean _isDynamic = targetTypeRef.isDynamic();
            if (_isDynamic) {
                T = RuleEnvironmentExtensions.anyTypeRefDynamic(G);
            } else {
                T = TypeRefsFactory.eINSTANCE.createUnknownTypeRef();
            }
        }
    }
    return new Result<TypeRef>(T);
}

Example 9 with BoundThisTypeRef

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

the class InternalTypeSystem method applyRuleSubstTypeVariablesThisTypeRef.

protected Result<TypeArgument> applyRuleSubstTypeVariablesThisTypeRef(final RuleEnvironment G, final RuleApplicationTrace _trace_, final ThisTypeRef thisTypeRef) throws RuleFailedException {
    // output parameter
    ThisTypeRef T = null;
    /* { val BoundThisTypeRef boundRefFromEnv = G.getThisType() as BoundThisTypeRef; if (boundRefFromEnv !== null) { val boundRef = TypeUtils.createBoundThisTypeRef(boundRefFromEnv.actualThisTypeRef); boundRef.setTypingStrategy(thisTypeRef.typingStrategy); TypeUtils.copyTypeModifiers(boundRef, thisTypeRef); T = boundRef; } else { T = thisTypeRef } } or { T = thisTypeRef } */
    {
        RuleFailedException previousFailure = null;
        try {
            TypeRef _thisType = RuleEnvironmentExtensions.getThisType(G);
            final BoundThisTypeRef boundRefFromEnv = ((BoundThisTypeRef) _thisType);
            if ((boundRefFromEnv != null)) {
                final BoundThisTypeRef boundRef = TypeUtils.createBoundThisTypeRef(boundRefFromEnv.getActualThisTypeRef());
                boundRef.setTypingStrategy(thisTypeRef.getTypingStrategy());
                TypeUtils.copyTypeModifiers(boundRef, thisTypeRef);
                T = boundRef;
            } else {
                T = thisTypeRef;
            }
        } catch (Exception e) {
            previousFailure = extractRuleFailedException(e);
            T = thisTypeRef;
        }
    }
    return new Result<TypeArgument>(T);
}

Example 10 with BoundThisTypeRef

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

the class InternalTypeSystem method applyRuleLowerBoundThisTypeRef.

protected Result<TypeRef> applyRuleLowerBoundThisTypeRef(final RuleEnvironment G, final RuleApplicationTrace _trace_, final BoundThisTypeRef boundThisTypeRef) throws RuleFailedException {
    // output parameter
    TypeRef T = null;
    T = RuleEnvironmentExtensions.undefinedTypeRef(G);
    TypeUtils.copyTypeModifiers(T, boundThisTypeRef);
    return new Result<TypeRef>(T);
}