JSBool
JSHistogram_Snapshot(JSContext *cx, unsigned argc, jsval *vp)
{
JSObject *obj = JS_THIS_OBJECT(cx, vp);
if (!obj) {
return JS_FALSE;
}
Histogram *h = static_cast<Histogram*>(JS_GetPrivate(obj));
JSObject *snapshot = JS_NewObject(cx, nullptr, nullptr, nullptr);
if (!snapshot)
return JS_FALSE;
JS::AutoObjectRooter sroot(cx, snapshot);
switch (ReflectHistogramSnapshot(cx, snapshot, h)) {
case REFLECT_FAILURE:
return JS_FALSE;
case REFLECT_CORRUPT:
JS_ReportError(cx, "Histogram is corrupt");
return JS_FALSE;
case REFLECT_OK:
JS_SET_RVAL(cx, vp, OBJECT_TO_JSVAL(snapshot));
return JS_TRUE;
default:
MOZ_NOT_REACHED("unhandled reflection status");
return JS_FALSE;
}
}
boost::uint64_t get_size(boost::uint32_t version = 0) {
if (version == 0)
return latest_root.current_size;
metadata::root_t sroot(0, 0, 0, 0, 0);
if (get_root(version, sroot))
return sroot.current_size;
else
return 0;
}