for certain nodes that we invent we might not have a original source file to
authorMihai Bazon <mihai@bazon.net>
Mon, 8 Oct 2012 09:52:25 +0000 (12:52 +0300)
committerMihai Bazon <mihai@bazon.net>
Mon, 8 Oct 2012 09:52:25 +0000 (12:52 +0300)
commit80a18fe2fa60d8a689516b921a386839d30b6abe
treea56df417df488b29cc7fbc957ef1d8b0439f54da
parentfe1411bba1368c4e3c1fe92459e956ec4a4c5ee6
for certain nodes that we invent we might not have a original source file to
map from, so just use "?".  and in any case, don't fail hard when addMapping throws.
lib/output.js