Examples with Property com.github.anba.es6draft.runtime.types.Property used on opensource projects

Example 46 with Property

use of com.github.anba.es6draft.runtime.types.Property in project es6draft by anba.

the class WrapperProxy method set.

@Override
public boolean set(ExecutionContext cx, String propertyKey, Object value, Object receiver) {
    /* modified 9.1.9 [[Set] (P, V, Receiver) */
    Property ownDesc = proxyTarget.getOwnProperty(cx, propertyKey);
    if (ownDesc == null) {
        // modified
        ScriptObject parent = getPrototype();
        if (parent != null) {
            return parent.set(cx, propertyKey, value, receiver);
        } else {
            ownDesc = new Property(UNDEFINED, true, true, true);
        }
    }
    if (ownDesc.isDataDescriptor()) {
        if (!ownDesc.isWritable()) {
            return false;
        }
        if (!Type.isObject(receiver)) {
            return false;
        }
        ScriptObject _receiver = Type.objectValue(receiver);
        Property existingDescriptor = _receiver.getOwnProperty(cx, propertyKey);
        if (existingDescriptor != null) {
            PropertyDescriptor valueDesc = new PropertyDescriptor(value);
            return _receiver.defineOwnProperty(cx, propertyKey, valueDesc);
        } else {
            return CreateDataProperty(cx, _receiver, propertyKey, value);
        }
    }
    assert ownDesc.isAccessorDescriptor();
    Callable setter = ownDesc.getSetter();
    if (setter == null) {
        return false;
    }
    setter.call(cx, receiver, value);
    return true;
}

Example 47 with Property

use of com.github.anba.es6draft.runtime.types.Property in project es6draft by anba.

the class WrapperProxy method get.

@Override
public Object get(ExecutionContext cx, String propertyKey, Object receiver) {
    /* modified 9.1.8 [[Get]] (P, Receiver) */
    Property desc = proxyTarget.getOwnProperty(cx, propertyKey);
    if (desc == null) {
        // modified
        ScriptObject parent = getPrototype();
        if (parent == null) {
            return UNDEFINED;
        }
        return parent.get(cx, propertyKey, receiver);
    }
    if (desc.isDataDescriptor()) {
        return desc.getValue();
    }
    assert desc.isAccessorDescriptor();
    Callable getter = desc.getGetter();
    if (getter == null) {
        return UNDEFINED;
    }
    return getter.call(cx, receiver);
}

Example 48 with Property

use of com.github.anba.es6draft.runtime.types.Property in project es6draft by anba.

the class WrapperProxy method set.

@Override
public boolean set(ExecutionContext cx, long propertyKey, Object value, Object receiver) {
    /* modified 9.1.9 [[Set] (P, V, Receiver) */
    Property ownDesc = proxyTarget.getOwnProperty(cx, propertyKey);
    if (ownDesc == null) {
        // modified
        ScriptObject parent = getPrototype();
        if (parent != null) {
            return parent.set(cx, propertyKey, value, receiver);
        } else {
            ownDesc = new Property(UNDEFINED, true, true, true);
        }
    }
    if (ownDesc.isDataDescriptor()) {
        if (!ownDesc.isWritable()) {
            return false;
        }
        if (!Type.isObject(receiver)) {
            return false;
        }
        ScriptObject _receiver = Type.objectValue(receiver);
        Property existingDescriptor = _receiver.getOwnProperty(cx, propertyKey);
        if (existingDescriptor != null) {
            PropertyDescriptor valueDesc = new PropertyDescriptor(value);
            return _receiver.defineOwnProperty(cx, propertyKey, valueDesc);
        } else {
            return CreateDataProperty(cx, _receiver, propertyKey, value);
        }
    }
    assert ownDesc.isAccessorDescriptor();
    Callable setter = ownDesc.getSetter();
    if (setter == null) {
        return false;
    }
    setter.call(cx, receiver, value);
    return true;
}

Example 49 with Property

use of com.github.anba.es6draft.runtime.types.Property in project es6draft by anba.

the class ObjectConstructor method EnumerableOwnProperties.

/**
     * EnumerableOwnProperties (O)
     * 
     * @param cx
     *            the execution context
     * @param object
     *            the script object
     * @param kind
     *            the property kind
     * @return <var>object</var>'s own enumerable properties
     */
static List<Object> EnumerableOwnProperties(ExecutionContext cx, ScriptObject object, PropertyKind kind) {
    /* step 1 (not applicable) */
    /* steps 2-3 */
    List<?> ownKeys = object.ownPropertyKeys(cx);
    /* step 4 */
    int initialSize = Math.min(16, ownKeys.size());
    ArrayList<Object> properties = new ArrayList<>(initialSize);
    /* step 5 */
    for (Object key : ownKeys) {
        if (key instanceof String) {
            String skey = (String) key;
            Property desc = object.getOwnProperty(cx, skey);
            if (desc != null && desc.isEnumerable()) {
                if (kind == PropertyKind.Key) {
                    properties.add(skey);
                } else {
                    Object value = Get(cx, object, skey);
                    if (kind == PropertyKind.Value) {
                        properties.add(value);
                    } else {
                        ArrayObject entry = CreateArrayFromList(cx, key, value);
                        properties.add(entry);
                    }
                }
            }
        }
    }
    /* step 7 */
    return properties;
}

Example 50 with Property

use of com.github.anba.es6draft.runtime.types.Property in project es6draft by anba.

the class RegExpConstructor method RegExpAlloc.

/**
     * 21.2.3.2 Abstract Operations for the RegExp Constructor<br>
     * 21.2.3.2.1 Runtime Semantics: RegExpAlloc ( newTarget )
     * 
     * @param cx
     *            the execution context
     * @param newTarget
     *            the constructor function
     * @return the new regular expression object
     */
public static RegExpObject RegExpAlloc(ExecutionContext cx, Constructor newTarget) {
    /* steps 1-2 */
    RegExpObject obj = OrdinaryCreateFromConstructor(cx, newTarget, Intrinsics.RegExpPrototype, RegExpObject::new);
    /* steps 3-4 */
    obj.infallibleDefineOwnProperty("lastIndex", new Property(0, true, false, false));
    /* step 5 */
    return obj;
}