Re: opening correct source file on compile error

[Kevin Rodgers <ihs_4664@yahoo.com>]

kl.vanw@gmail.com wrote:
> Kevin Rodgers wrote:
>> kl.vanw@gmail.com wrote:
>>> Here's my situation. My header files (C++) are located in a dir named
>>> src/lib. These are the files I edit and are CVS managed. When I run
>>> 'make', make copies the headers into include/, which my other source
>>> files include. Then if there was an error in one of the headers, and I
>>> use 'next-error' in the compilation buffer to open the header, emacs
>>> opens the file in the include/ directory, but I really need it to open
>>> the header in src/lib. Can I some how help emacs find the right file?
>>>
>>> Unfortunately, I don't have the option of changing the way our makefile
>>> works or the #include statements.
>> Try this:
>>
>> (add-hook 'find-file-hook
>> 	  (lambda ()
>> 	    (let* ((file (file-name-nondirectory buffer-file-name))
>> 		   (directory (file-name-directory buffer-file-name))
>> 		   (alternate-file (expand-file-name file "../src/lib")))
>> 	      (when (and (equal (file-name-nondirectory
>> 				 (directory-file-name directory))
>> 				"include")
>> 			 (file-exists-p alternate-file))
>> 		(find-alternate-file alternate-file)))))
>>
>> --
>> Kevin
> 
> I tried that, but it didn't work. I also tried specifing the full paths
> in the above, but it didn't work either. Did you verify that it works
> for you?

Ah, it works in Emacs 22.  To make it work in older versions, use
find-file-hooks (plural) instead of find-file-hook.

-- 
Kevin