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Prolog TAGS -- how to detect facts as well as clauses.
From: |
Tim Morley (remove vegetable for email address) |
Subject: |
Prolog TAGS -- how to detect facts as well as clauses. |
Date: |
Fri, 17 Jan 2003 15:21:07 +0100 |
I use M-. a lot while writing Prolog in Emacs to find definitions of
predicates. What I would like, though, is also to be able to find *facts*,
preferably using the same keyboard shortcut.
Illustration: say I have the following predicate:
foo(X, Z) :-
first(X, Y),
second(Y, Z).
I want to find out what first/2 does, so I do a M-. first RET and it takes
me to the definition of first, whatever file it's in within the project:
first(X,Y) :-
(X>2 -> Y=true ; Y=false).
However, if first/2 is just a fact, or a series of facts:
first(1, false).
first(2, false).
first(3, true).
first(4, true).
then M-. doesn't find it.
Is there a parameter I can change in etags to be able to find facts from the
TAGS table?
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