Re: ada writing guide

[Emmanuel Briot <briot@gnat.com>]

Ted Dennison <dennison@telepath.com> writes:
> I do have one (minor) problem with the implementation, though. It
> looks like the exception file is read once at startup into an
> internal buffer. When someone adds an entry, it is their internal
> copy that is added  to, then written to disk. If another user
> changed that file in the meantime, their changes are lost. This,
> combined with the advice for projects to keep one master file which
> everyone uses, could lead to a big mess.


Note that this was indeed a limitation in ada-mode 3.4b, that has been
fixed about 3 or 4 months ago in the developpment version.
This version is currently only available to ACT's customers (this is
part of our integrated environment Glide), but will soon be included in
a public version (that's a long time since I released the last version,
I should do something about that :-)

The fix was indeed to reread the project file before addind a new
casing exception in there, which should mostly solve your problem,
except maybe in the rare case where two users are trying to add an
exception at exactly the same time. And even then, Emacs's internal
mechanism will check and warn you that the file is already opened by
another user.

Emmanuel
ada-mode maintainer.


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