script::script_runtime

Function get_host_defined_data

Source 
unsafe extern "C" fn get_host_defined_data(
    _: *const c_void,
    cx: *mut JSContext,
    data: MutableHandleObject,
) -> bool
Expand description

https://searchfox.org/mozilla-central/rev/2a8a30f4c9b918b726891ab9d2d62b76152606f1/xpcom/base/CycleCollectedJSContext.cpp#316