1114436 - JS_InitClass with JSPROP_INDEX does not work as expected

Status: RESOLVED INCOMPLETE

(Core :: JavaScript Engine, defect)

Description

[holger.seelig]

User Agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:34.0) Gecko/20100101 Firefox/34.0
Build ID: 20141127110442

Steps to reproduce:

I create property specs as below with JSPROP_INDEX as descriped in https://developer.mozilla.org/en-US/docs/Mozilla/Projects/SpiderMonkey/JSAPI_reference/JS_GetPropertyAttributes:

MyClass::properties [ ] = {
   JS_PSGS ("x", getX, setX, 0),
   JS_PSGS ((char*) 0, getX, setX, JSPROP_INDEX),
   JS_PS_END

};

and use it with JS_InitClass:

JS_InitClass (cx, global, parent, &static_class, construct, 0, properties, functions, nullptr, nullptr);



Actual results:

The indexed property does not call the getter and setter functions.


Expected results:

The indexed property should call the getter and setter functions.

The documentation says:
JSPROP_INDEX: This flag has an additional special meaning when used with JS_DefineProperty, JS_FS, AND OTHER APIs THAT DEFINE PROPERTIES: it means that the name parameter is actually an integer unsafely cast to a pointer type, not a string.

As I figured out JSPROP_INDEX works well with JS_DefineProperty.