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(ada-mode)Using non-standard file names

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Using non-standard file names
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   By default, Emacs is configured to  use the GNAT style file names,
where file names are the package names,  and the extension for spec and
bodies are respectively `.ads' and `.adb'.

   If you  want to  use other  types of file  names, you will need to
modify your `.emacs' file.

   Adding new possible extensions is easy. Since Ada mode needs to know
how to  go from  the body  to the spec  (and back),  you always  have to
specify  both. A  function  is provided  with  Ada mode  to add  new
extensions.

   For instance, if your spec and bodies files are called `UNIT_s.ada'
and `UNIT_b.ada', respectively, you need to add the following to your
`.emacs' file:

     (ada-add-extensions "_s.ada" "_b.ada")

   Note that it is possible to redefine the extension, even if they
already exist, as in:

     (ada-add-extensions ".ads" "_b.ada")
     (ada-add-extensions ".ads" ".body")

   This simply means that whenever the  ada-mode will look for the body
for a file whose extension is  `.ads', it will take the first available
file  that ends  with  either `.adb'  (standard), `_b.ada'  or `.body'.

   If the filename is not the unit name, then things are a little more
complicated.  You then need to rewrite the function
`ada-make-filename-from-adaname' (see the file `ada-mode.el' for an
example).