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How do I get diagnostic output from a macro?
From: |
Alan Mackenzie |
Subject: |
How do I get diagnostic output from a macro? |
Date: |
Mon, 28 Nov 2005 10:29:33 +0000 |
User-agent: |
tin/1.4.5-20010409 ("One More Nightmare") (UNIX) (Linux/2.0.35 (i686)) |
GNU Emacs 21.3.
I'd like to get diagostic output whilst expanding a macro. I type this
into my *scratch* buffer:
(defmacro foo ()
(message "evaluating foo")
(eval-when-compile (message "e-w-c: compiling foo")))
^
|
<point 1>
(defun bar ()
(foo))
^
|
<point 2>
(bar)
^
|
<point 3>
When I do C-x C-e at <point 1>, I get no message output. I would have
expected to see "e-w-c compiling foo" in the message area.
When I do C-x C-e at <point 2>, I still get no output. I would have
expected "evaluating foo")
Finally, C-x C-e at <point 3> outputs both "evaluating foo" and "e-w-c:
compiling foo".
I'm baffled. What do I have to put into the macro so as to get
"evaluating foo" at <point 2>? Does it make any difference if the
`(defmacro foo ...)' is byte compiled?
Thanks for the help!
--
Alan Mackenzie (Munich, Germany)
Email: aacm@muuc.dee; to decode, wherever there is a repeated letter
(like "aa"), remove half of them (leaving, say, "a").
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