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compile.el - Filename function not called in certain cases

From: Akshay Dua
Subject: compile.el - Filename function not called in certain cases
Date: Wed, 17 Aug 2005 14:25:41 -0700 (PDT)

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In GNU Emacs 21.2.1 (i686-pc-cygwin, X toolkit)
 of 2004-03-22 on cm-test
configured using `configure  --prefix=/usr
--bindir=/usr/bin --sysconfdir=/etc
--libexecdir=/usr/sbin --localstatedir=/var
--datadir=/usr/share --infodir=/usr/share/info
--mandir=/usr/share/man --without-toolkit-scroll-bars'
Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: nil
  locale-coding-system: nil
  default-enable-multibyte-characters: t

Please describe exactly what actions triggered the bug
and the precise symptoms of the bug:

If set, the
is called by compile.el for customized file name 
processing. However, this function does not get called
for non-error messages returned by the compiler.
the ones that are not associated with filenames 
directly but are still used to extract directory paths
In this situation, emacs does not understand those
and vomits an error. Here is the applied patch:

--- compile.old.el      2005-08-17 14:09:42.321651400 -0700
+++ compile.el  2005-08-17 13:36:14.225262500 -0700
@@ -1979,6 +1979,14 @@
                (if (eq type `file)     ; Change current file.
                    (and filename (setq compilation-current-file
+                 ;; If compilation-parse-errors-filename-function
+                 ;; defined, use it to process the filename.
+                 (when compilation-parse-errors-filename-function
+                   (setq filename
+                         (funcall
+                                  filename)))
                  ;; Enter or leave directory.
                  (setq stack compilation-directory-stack)
                  (and filename

Thanks to Gleb Arshinov who helped me with this fix.

Recent input:
M-x r e p o r t <tab> <return>

Recent messages:
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(my-to-cygpath c:/test/path/file.cpp)
(my-to-cygpath )
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type C-h C-p.
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