974546 - SpecialPowers wrappers should catch, wrap, and rethrow exceptions for callables

Status: RESOLVED FIXED

(Testing :: Mochitest, defect)

Description

[Bobby Holley (:bholley)]

In the current world, if a SpecialPowers-wrapped privileged function throws, the resulting exception is opaque to content. This is less-than-ideal for debugging, so let's see if we can do something clever here.

Comment 1

[Bobby Holley (:bholley)]

https://tbpl.mozilla.org/?tree=Try&rev=979fd9597b9e

Comment 2

[Bobby Holley (:bholley)]

Attachment: SpecialPowers wrappers should catch, wrap, and rethrow exceptions for callables. v1

Green. Flagging for review.

Comment 3

[Bobby Holley (:bholley)]

https://hg.mozilla.org/integration/mozilla-inbound/rev/7dc90f3c1a21

Comment 4

[Ryan VanderMeulen [:RyanVM]]

https://hg.mozilla.org/mozilla-central/rev/7dc90f3c1a21