Support `dartanalyzer pkg/a/foo pkg/b/foo` and use a different context
for each.
Requires knowing the source being analyzed while creating a context,
which gets a bit hacky with build mode, but seems to work as is.
Suggestions on a cleaner integration there are welcome!
Change-Id: Ia4e63fe01342f2299c96ca8d34ca983a9280a911
Reviewed-on: https://dart-review.googlesource.com/41900
Reviewed-by: Konstantin Shcheglov <scheglov@google.com>
Reviewed-by: Brian Wilkerson <brianwilkerson@google.com>
Mike Fairhurst
126bfebb4e