mirror of
https://github.com/jerryscript-project/jerryscript.git
synced 2025-12-15 16:29:21 +00:00
d1860d0e34
This patch is the second milestone of the implementation of this new language element. Supported: - Single class inheritance - Functionality of 'super' keyword - Implicit constructor in class heritage - Specific behaviour while extending with the built-in 'Array' or '%TypedArray%' object - Abstract subclasses (Mix-ins) JerryScript-DCO-1.0-Signed-off-by: Robert Fancsik frobert@inf.u-szeged.hu
28 lines
871 B
JavaScript
28 lines
871 B
JavaScript
/* Copyright JS Foundation and other contributors, http://js.foundation
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
class A extends Array {
|
|
constructor (a, b, c) {
|
|
eval ("eval ('super (a, b, c)')");
|
|
eval ("eval ('this.f = 5;')");
|
|
}
|
|
}
|
|
|
|
class B extends A { }
|
|
|
|
var b = new B (1, 2, 3, 4);
|
|
assert (b.f === 5);
|
|
assert (b.length === 3);
|