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

Example 6 with Wildcard

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

the class InternalTypeSystem method applyRuleLowerBoundExistentialTypeRef.

protected Result<TypeRef> applyRuleLowerBoundExistentialTypeRef(final RuleEnvironment G, final RuleApplicationTrace _trace_, final ExistentialTypeRef existentialTypeRef) throws RuleFailedException {
    // output parameter
    TypeRef T = null;
    /* G |~ existentialTypeRef.wildcard \/ T */
    Wildcard _wildcard = existentialTypeRef.getWildcard();
    Result<TypeRef> result = lowerBoundInternal(G, _trace_, _wildcard);
    checkAssignableTo(result.getFirst(), TypeRef.class);
    T = (TypeRef) result.getFirst();
    T = TypeUtils.<TypeRef>copy(T);
    TypeUtils.copyTypeModifiers(T, existentialTypeRef);
    return new Result<TypeRef>(T);
}

Example 7 with Wildcard

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

the class TypeCompareLogic method compare.

/**
 * WARNING: fqnProvider may be <code>null</code>, but then the lower/greater info will be unreliable!
 */
/* package */
static int compare(IQualifiedNameProvider fqnProvider, TypeArgument arg1, TypeArgument arg2) {
    if (arg1 == arg2) {
        return 0;
    }
    if (arg1 == null) {
        return -1;
    }
    if (arg2 == null) {
        return 1;
    }
    if (arg1 instanceof Wildcard || arg2 instanceof Wildcard) {
        if (arg1 instanceof Wildcard && arg2 instanceof Wildcard) {
            final Wildcard w1 = (Wildcard) arg1;
            final Wildcard w2 = (Wildcard) arg2;
            int c;
            // lower bounds
            c = compare(fqnProvider, w1.getDeclaredLowerBound(), w2.getDeclaredLowerBound());
            if (c != 0) {
                return c;
            }
            // upper bounds
            c = compare(fqnProvider, w1.getDeclaredUpperBound(), w2.getDeclaredUpperBound());
            if (c != 0) {
                return c;
            }
            return 0;
        }
        return compareEClasses(arg1.eClass(), arg2.eClass());
    }
    // now, we know we have two TypeRefs
    final TypeRef ref1 = (TypeRef) arg1;
    final TypeRef ref2 = (TypeRef) arg2;
    // @formatter:on
    if (ref1 instanceof ExistentialTypeRef && ref2 instanceof ExistentialTypeRef) {
        return compare(fqnProvider, ((ExistentialTypeRef) ref1).getWildcard(), ((ExistentialTypeRef) ref2).getWildcard());
    }
    // its subclasses
    if (ref1 instanceof FunctionTypeExprOrRef && ref2 instanceof FunctionTypeExprOrRef) {
        final FunctionTypeExprOrRef f1 = (FunctionTypeExprOrRef) ref1;
        final FunctionTypeExprOrRef f2 = (FunctionTypeExprOrRef) ref2;
        return compareFunctionTypeExprOrRefs(fqnProvider, f1, f2);
    }
    int c;
    c = compareEClasses(ref1.eClass(), ref2.eClass());
    if (c != 0) {
        return c;
    }
    // note: ref1 and ref2 are of the same type, otherwise c would not be 0
    // declared type
    c = compare(fqnProvider, ref1.getDeclaredType(), ref2.getDeclaredType());
    if (c != 0) {
        return c;
    }
    // if we got a subclass of StructuralTypeRef -> check properties of StructuralTypeRef beforehand
    if (ref1 instanceof StructuralTypeRef) {
        final StructuralTypeRef sref1 = (StructuralTypeRef) ref1;
        final StructuralTypeRef sref2 = (StructuralTypeRef) ref2;
        // note: for simplicity, we here require sref1/sref2.structuralMembers to have the same order
        // (we aren't doing a semantic compare anyway)
        c = compareComparables(sref1.getTypingStrategy(), sref2.getTypingStrategy());
        if (c != 0) {
            return c;
        }
        c = compare(fqnProvider, sref1.getStructuralType(), sref2.getStructuralType());
        if (c != 0) {
            return c;
        }
        final Iterator<TStructMember> iter1 = sref1.getStructuralMembers().iterator();
        final Iterator<TStructMember> iter2 = sref2.getStructuralMembers().iterator();
        while (iter1.hasNext() && iter2.hasNext()) {
            c = compareMembers(fqnProvider, iter1.next(), iter2.next());
            if (c != 0) {
                return c;
            }
        }
        if (iter1.hasNext()) {
            return 1;
        }
        if (iter2.hasNext()) {
            return -1;
        }
    }
    if (ref1 instanceof ParameterizedTypeRef) {
        final ParameterizedTypeRef pref1 = (ParameterizedTypeRef) ref1;
        final ParameterizedTypeRef pref2 = (ParameterizedTypeRef) ref2;
        c = compareTypeArguments(fqnProvider, pref1.getTypeArgs(), pref2.getTypeArgs());
        if (c != 0) {
            return c;
        }
    } else if (ref1 instanceof ComposedTypeRef) {
        final ComposedTypeRef cref1 = (ComposedTypeRef) ref1;
        final ComposedTypeRef cref2 = (ComposedTypeRef) ref2;
        c = compareTypeArguments(fqnProvider, cref1.getTypeRefs(), cref2.getTypeRefs());
        if (c != 0) {
            return c;
        }
    } else if (ref1 instanceof TypeTypeRef) {
        final TypeTypeRef cref1 = (TypeTypeRef) ref1;
        final TypeTypeRef cref2 = (TypeTypeRef) ref2;
        c = compareComparables(cref1.isConstructorRef(), cref2.isConstructorRef());
        if (c != 0) {
            return c;
        }
        c = compare(fqnProvider, cref1.getTypeArg(), cref2.getTypeArg());
        if (c != 0) {
            return c;
        }
    } else if (ref1 instanceof BoundThisTypeRef) {
        final BoundThisTypeRef bref1 = (BoundThisTypeRef) ref1;
        final BoundThisTypeRef bref2 = (BoundThisTypeRef) ref2;
        c = compare(fqnProvider, bref1.getActualThisTypeRef(), bref2.getActualThisTypeRef());
        if (c != 0) {
            return c;
        }
    }
    // dynamic
    c = Boolean.compare(ref1.isDynamic(), ref2.isDynamic());
    if (c != 0) {
        return c;
    }
    return 0;
}

Example 8 with Wildcard

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

the class TypeUtils method createWildcardSuper.

/**
 * Creates a new wildcard with the given lower bound.
 */
public static Wildcard createWildcardSuper(TypeRef lowerBound) {
    final Wildcard wc = createWildcard();
    wc.setDeclaredLowerBound(lowerBound);
    return wc;
}

Example 9 with Wildcard

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

the class ExistentialTypeRefImpl method setWildcard.

/**
 * <!-- begin-user-doc -->
 * <!-- end-user-doc -->
 * @generated
 */
public void setWildcard(Wildcard newWildcard) {
    Wildcard oldWildcard = wildcard;
    wildcard = newWildcard;
    if (eNotificationRequired())
        eNotify(new ENotificationImpl(this, Notification.SET, TypeRefsPackage.EXISTENTIAL_TYPE_REF__WILDCARD, oldWildcard, wildcard));
}

Example 10 with Wildcard

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

the class ExistentialTypeRefImpl method getTypeRefAsString.

/**
 * <!-- begin-user-doc -->
 * <!-- end-user-doc -->
 * @generated
 */
public String getTypeRefAsString() {
    Wildcard _wildcard = this.getWildcard();
    String _typeRefAsString = null;
    if (_wildcard != null) {
        _typeRefAsString = _wildcard.getTypeRefAsString();
    }
    return _typeRefAsString;
}