GNU bug report logs - #60769
CC Mode 5.35.2 (C/*l); More incorrect type recognition

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Message #11 received at 60769 <at> debbugs.gnu.org (full text, mbox):

From: Po Lu <luangruo <at> yahoo.com>
To: Alan Mackenzie <acm <at> muc.de>
Cc: 60769 <at> debbugs.gnu.org
Subject: Re: bug#60769: CC Mode 5.35.2 (C/*l); More incorrect type recognition
Date: Tue, 17 Jan 2023 13:16:22 +0800

Alan Mackenzie <acm <at> muc.de> writes:

> Hello, Po.
>
> On Fri, Jan 13, 2023 at 11:01:44 +0800, Po Lu via CC-Mode-help wrote:
>> Package: cc-mode
>
>> Here is another example of incorrect type recognition in C Mode as a
>> result of a typo:
>
>> static Lisp_Object
>> frame_geometry (Lisp_Object frame, Lisp_Object attribute)
>> {
>>   struct frame *f = decode_live_frame (frame);
>>   /**   XWindowAttributes atts; **/
>>   Window rootw;
>>   unsigned int ign, native_width, native_height, x_border_width = 0;
>>   int x_native = 0, y_native = 0, xptr = 0, yptr = 0;
>>   int left_off = 0, right_off = 0, top_off = 0, bottom_off = 0;
>>   int outer_left, outer_top, outer_right, outer_bottom;
>>   int native_left, native_top, native_right, native_bottom;
>>   int inner_left, inner_top, inner_right, inner_bottom;
>>   int internal_border_width;
>>   bool menu_bar_external = false, tool_bar_external = false;
>>   int menu_bar_height = 0, menu_bar_width = 0;
>>   int tab_bar_height = 0, tab_bar_width = 0;
>>   int tool_bar_height = 0, tool_bar_width = 0;
>
>>   if (FRAME_INITIAL_P (f) || !FRAME_ANDROID_P (f)
>>       || !FRAME_ANDROID_WINDOW (f))
>>     return Qnil;
>
>>   block_input ();
>>   android_get_geometry (FRAME_ANDROID_WINDOW (f),
>> 			&rootw, &x_native, &y_native,
>> 			&native_width, &native_height, &x_border_width,
>> 			&ign);
>>   unblock_input ();
>> }
>
>> Place point after "android_get_geometry (", and accidentally type:
>
>>   d
>
>> (this was meant to be C-M-d.)
>
>> Now, FRAME_ANDROID_WINDOW and android_get_geometry are stuck in
>> c-found-types.
>
> I'm afraid I can't reproduce this on either master or emacs-29.  Am I
> correct in assuming that you mean insert the one single character "d"
> after the "(" in that line?  Even when I additionally insert a space,
> M-: (c-list-found-types) just lists "Window", which seems correct.

Sorry for the confusion, Alan.  I meant to insert the character "d"
immediately before "(".

Thanks.

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