Re: Casing of number literals in ada-mode

[Chong Yidong <cyd@stupidchicken.com>]

Hi Stephen, could you check this patch?  If it's OK, we can commit it.
Thanks.


jemarch@gnu.org writes:

> Appended is a little patch that makes ada-mode to not case number
> literals to avoid situations like:
>
>       subtype U32 is range 16#0000_0000#..16#Ffff_Ffff#;
>
> Note the Ffff_Ffff.
>
> 2010-02-06  Jose E. Marchesi  <jemarch@gnu.org>
>
> 	* progmodes/ada-mode.el (ada-in-numeric-literal-p): New function.
> 	(ada-adjust-case): Don't adjust case in hexadecimal number
> 	literals.
>
> === modified file 'lisp/progmodes/ada-mode.el'
> --- lisp/progmodes/ada-mode.el	2010-01-23 12:34:52 +0000
> +++ lisp/progmodes/ada-mode.el	2010-02-07 22:02:29 +0000
> @@ -1009,6 +1009,10 @@
>  	     (parse-partial-sexp
>  	      (line-beginning-position) (point)))))
>  
> +(defsubst ada-in-numeric-literal-p ()
> +  "Return t if point is after a prefix of a numeric literal."
> +  (looking-back "\\([0-9]+#[0-9a-fA-F_]+\\)"))
> +
>  (defsubst ada-in-string-or-comment-p (&optional parse-result)
>    "Return t if inside a comment or string.
>  If PARSE-RESULT is non-nil, use it instead of calling `parse-partial-sexp'."
> @@ -1606,6 +1610,8 @@
>  		 (eq (char-syntax (char-before)) ?w)
>  		 ;;  if in a string or a comment
>  		 (not (ada-in-string-or-comment-p))
> +                 ;;  if in a numeric literal
> +                 (not (ada-in-numeric-literal-p))
>  		 )
>  	    (if (save-excursion
>  		  (forward-word -1)