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

Example 36 with Property

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

the class ArgumentsObject method getProperty.

/**
     * 9.4.4.1 [[GetOwnProperty]] (P)
     */
@Override
protected Property getProperty(ExecutionContext cx, long propertyKey) {
    /* step 1 (not applicable) */
    /* step 2 */
    Property desc = ordinaryGetOwnProperty(propertyKey);
    /* step 3 */
    if (desc == null) {
        return desc;
    }
    /* step 4 */
    ParameterMap map = this.parameterMap;
    /* steps 5-6 */
    boolean isMapped = map != null && map.hasOwnProperty(propertyKey);
    /* step 7 */
    if (isMapped) {
        // FIXME: spec issue - maybe add assertion: IsDataDescriptor(desc)?
        assert desc.isDataDescriptor();
        PropertyDescriptor d = desc.toPropertyDescriptor();
        d.setValue(map.get(propertyKey));
        desc = d.toProperty();
    }
    /* step 9 */
    return desc;
}

Example 37 with Property

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

the class ProxyObject method defineOwnProperty.

/**
     * 9.5.6 [[DefineOwnProperty]] (P, Desc)
     */
@Override
public boolean defineOwnProperty(ExecutionContext cx, Symbol propertyKey, PropertyDescriptor desc) {
    /* step 1 (implicit) */
    /* steps 2-4 */
    ScriptObject handler = getProxyHandler(cx);
    /* step 5 */
    ScriptObject target = getProxyTarget();
    /* steps 6-7 */
    Callable trap = GetMethod(cx, handler, "defineProperty");
    /* step 8 */
    if (trap == null) {
        return target.defineOwnProperty(cx, propertyKey, desc);
    }
    /* step 9 */
    Object descObj = FromPropertyDescriptor(cx, desc);
    /* steps 10-11 */
    boolean trapResult = ToBoolean(trap.call(cx, handler, target, propertyKey, descObj));
    /* step 12 */
    if (!trapResult) {
        return false;
    }
    /* steps 13-14 */
    Property targetDesc = target.getOwnProperty(cx, propertyKey);
    /* steps 15-21 */
    return validateDefineOwnProperty(cx, desc, target, targetDesc);
}

Example 38 with Property

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

the class ProxyObject method getOwnProperty.

/**
     * 9.5.5 [[GetOwnProperty]] (P)
     */
@Override
public Property getOwnProperty(ExecutionContext cx, Symbol propertyKey) {
    /* step 1 (implicit) */
    /* steps 2-4 */
    ScriptObject handler = getProxyHandler(cx);
    /* step 5 */
    ScriptObject target = getProxyTarget();
    /* steps 6-7 */
    Callable trap = GetMethod(cx, handler, "getOwnPropertyDescriptor");
    /* step 8 */
    if (trap == null) {
        return target.getOwnProperty(cx, propertyKey);
    }
    /* steps 9-10 */
    Object trapResultObj = trap.call(cx, handler, target, propertyKey);
    /* step 11 */
    if (!(Type.isObject(trapResultObj) || Type.isUndefined(trapResultObj))) {
        throw newTypeError(cx, Messages.Key.ProxyNotObjectOrUndefined);
    }
    /* steps 12-13 */
    Property targetDesc = target.getOwnProperty(cx, propertyKey);
    /* steps 14-23 */
    return validateGetOwnProperty(cx, target, trapResultObj, targetDesc);
}

Example 39 with Property

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

the class ProxyObject method hasProperty.

/**
     * 9.5.7 [[HasProperty]] (P)
     */
@Override
public boolean hasProperty(ExecutionContext cx, Symbol propertyKey) {
    /* step 1 (implicit) */
    /* steps 2-4 */
    ScriptObject handler = getProxyHandler(cx);
    /* step 5 */
    ScriptObject target = getProxyTarget();
    /* steps 6-7 */
    Callable trap = GetMethod(cx, handler, "has");
    /* step 8 */
    if (trap == null) {
        return target.hasProperty(cx, propertyKey);
    }
    /* steps 9-10 */
    boolean booleanTrapResult = ToBoolean(trap.call(cx, handler, target, propertyKey));
    /* step 11 */
    if (!booleanTrapResult) {
        /* steps 11.a-11.b */
        Property targetDesc = target.getOwnProperty(cx, propertyKey);
        /* step 11.c */
        validateHasProperty(cx, target, targetDesc);
    }
    /* step 12 */
    return booleanTrapResult;
}

Example 40 with Property

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

the class ProxyObject method delete.

/**
     * 9.5.10 [[Delete]] (P)
     */
@Override
public boolean delete(ExecutionContext cx, String propertyKey) {
    /* step 1 (implicit) */
    /* steps 2-4 */
    ScriptObject handler = getProxyHandler(cx);
    /* step 5 */
    ScriptObject target = getProxyTarget();
    /* steps 6-7 */
    Callable trap = GetMethod(cx, handler, "deleteProperty");
    /* step 8 */
    if (trap == null) {
        return target.delete(cx, propertyKey);
    }
    /* steps 9-10 */
    boolean trapResult = ToBoolean(trap.call(cx, handler, target, propertyKey));
    /* step 11 */
    if (!trapResult) {
        return false;
    }
    /* steps 12-13 */
    Property targetDesc = target.getOwnProperty(cx, propertyKey);
    /* steps 14-16 */
    return validateDelete(cx, targetDesc);
}