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Re: Open compilation window only on errors?

From: Matthew Calhoun
Subject: Re: Open compilation window only on errors?
Date: Mon, 13 Oct 2003 01:05:55 -0700

Thanks to the superb guidance of Jens, Francois, and Kevin, I have a compilation-finish-function that works quite well. It looks like this:

(defun handle-compilation-window (buffer msg)
"Gets rid of compilation window on successful compilation, otherwise goes to first error."
  (if (and (equal (substring msg 0 8) "finished")
                   (get-buffer-window buffer)) ; Compilation window is still 
          (progn (delete-window (get-buffer-window buffer))
                         (message "Compilation was clean."))
(setq compilation-finish-function 'handle-compilation-window)

It even works correctly with my unit test failures, which was a pleasant surprise. But it's not perfect yet. When compilation results in warnings but no errors, my function is closing the compilation window because it receives a "finished" message, but I would rather keep the window open and go to the first warning, just like I would if there were errors. I know I could tell the compiler to treat warnings as errors, but that's not always feasible. Should I add a regexp to compilation-error-regexp-alist to fix this, or is there a better way?


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