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Re: imenu fails to index C function with function pointer as parameter
From: |
Alan Mackenzie |
Subject: |
Re: imenu fails to index C function with function pointer as parameter |
Date: |
Fri, 26 Aug 2011 19:34:16 +0000 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
Hi, Liang.
On Mon, Aug 22, 2011 at 02:02:12PM +0800, Liang Wang wrote:
> Hi,
> When I try to jump to a function definition which has a function
> pointer as one of its parameters, imenu fails to recognize such
> function. One example is
> static rtx
> substitute_address (rtx exp, rtx (*no_address_fn) (rtx),
> rtx (*address_fn) (rtx))
> which is from gcc source code in gcc/genattrtab.c.
> To reproduce it, run
> M-x imenu RET sub TAB
> And then, I get [No match]. Other functions are just fine.
Thanks for taking the trouble to report this bug. I think this patch
fixes it. Would you please try it out and confirm it's OK.
*** orig/cc-menus.el 2011-08-26 17:24:29.000000000 +0000
--- cc-menus.el 2011-08-26 19:22:03.000000000 +0000
***************
*** 110,117 ****
"[^" c-alnum "_:<>~]" ; match any non-identifier char
"\\([" c-alpha "_][" c-alnum "_:<>~]*\\)" ; match function name
"\\([ \t\n]\\|\\\\\n\\)*(" ; see above, BUT the arg list
! "\\([ \t\n]\\|\\\\\n\\)*\\([^ \t\n(*][^)]*\\)?)" ; must not start
! "\\([ \t\n]\\|\\\\\n\\)*[^ \t\n;(]" ; with an asterisk or
parentheses
) 1)
;; Special case for definitions using phony prototype macros like:
;; `int main _PROTO( (int argc,char *argv[]) )'.
--- 110,120 ----
"[^" c-alnum "_:<>~]" ; match any non-identifier char
"\\([" c-alpha "_][" c-alnum "_:<>~]*\\)" ; match function name
"\\([ \t\n]\\|\\\\\n\\)*(" ; see above, BUT the arg list
! "\\([ \t\n]\\|\\\\\n\\)*" ; must not start
! "\\([^ \t\n(*]" ; with an asterisk or
parentheses
! "[^()]*\\(([^()]*)[^()]*\\)*" ; Maybe function pointer arguments
! "\\)?)"
! "\\([ \t\n]\\|\\\\\n\\)*[^ \t\n;(]"
) 1)
;; Special case for definitions using phony prototype macros like:
;; `int main _PROTO( (int argc,char *argv[]) )'.
> Thanks,
> Liang.
--
Alan Mackenzie (Nuremberg, Germany).