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Re: Generalizing find-definition

From: Stephen Leake
Subject: Re: Generalizing find-definition
Date: Fri, 12 Dec 2014 05:15:02 -0600
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3.94 (windows-nt)

Stefan Monnier <address@hidden> writes:

>> If identifier is restricted to just the string, ada-mode needs a
>> guarantee that xref-find-definitions will be called with current-buffer
>> the same as the buffer containing the string, and point in the same
>> place, so the backend can determine the file, line, column.
> That's the idea behind using the value t as an "identifier at point".
> It seems like a reasonable constraint on the use of
> xref-find-definitions.  But if you can think of a case where it might be
> impractical to call xref-find-definitions from the right place, we could
> use a marker instead of the value t.

I could live with either `t' or a marker; we can make it more
complicated later if some mode shows up with a real need. A marker is
clearer than just `t', but someone has to be responsible for deleting
the marker.

-- Stephe

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