GNU bug report logs - #59300
CC Mode 5.35.2 (C/*l); Yet another kind of incorrect type recognition

Previous Next

Package: cc-mode;

Reported by: Po Lu <luangruo <at> yahoo.com>

Date: Wed, 16 Nov 2022 06:31:02 UTC

Severity: normal

To reply to this bug, email your comments to 59300 AT debbugs.gnu.org.

Toggle the display of automated, internal messages from the tracker.

View this report as an mbox folder, status mbox, maintainer mbox


Report forwarded to bug-cc-mode <at> gnu.org:
bug#59300; Package cc-mode. (Wed, 16 Nov 2022 06:31:02 GMT) Full text and rfc822 format available.

Acknowledgement sent to Po Lu <luangruo <at> yahoo.com>:
New bug report received and forwarded. Copy sent to bug-cc-mode <at> gnu.org. (Wed, 16 Nov 2022 06:31:02 GMT) Full text and rfc822 format available.

Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Po Lu <luangruo <at> yahoo.com>
To: bug-gnu-emacs <at> gnu.org
Subject: CC Mode 5.35.2 (C/*l); Yet another kind of incorrect type recognition
Date: Wed, 16 Nov 2022 14:29:36 +0800
Package: cc-mode

Insert the following text in a C mode buffer:

static void
Activate (Surface *surface, Role *role, int deviceid,
	  Timestamp timestamp, Surface *activator_surface)
{
  struct wl_resource *resource;
  TestSurface *test;

  test = TestSurfaceFromRole (role);

  if (test->role.resource)
    {
      /* If the activator surface belongs to the same client as the
	 client who created the test surface, set the resource to the
	 activator surface.  */
      if (wl_resource_get_client (activator_surface->resource)
	  == wl_resource_get_user_data (test->role.resource))
	
      test_surface_send_activated (test->role.resource,
				   timestamp.months,
				   timestamp.milliseconds,
				   resource);
    }
}

Place point at the end of the line below "wl_resource_get_user_data
(test->role.resource))".  Type:

  r e s o u r c e =

Afterwards, every occurrence of `resource' will become found as a type
and fontified incorrectly.

Thanks.

Emacs  : GNU Emacs 29.0.50 (build 1, x86_64-pc-linux-gnu)
 of 2022-11-12
Package: CC Mode 5.35.2 (C/*l)
Buffer Style: gnu
c-emacs-features: (pps-extended-state col-0-paren posix-char-classes gen-string-delim gen-comment-delim syntax-properties category-properties 1-bit)

current state:
==============
(setq
 c-basic-offset 2
 c-comment-only-line-offset '(0 . 0)
 c-indent-comment-alist '((anchored-comment column . 0) (end-block space . 1) (cpp-end-block space . 2))
 c-indent-comments-syntactically-p nil
 c-block-comment-prefix ""
 c-comment-prefix-regexp '((pike-mode . "//+!?\\|\\**") (awk-mode . "#+") (other . "//+\\|\\**"))
 c-doc-comment-style '((java-mode . javadoc) (pike-mode . autodoc) (c-mode . gtkdoc) (c++-mode . gtkdoc))
 c-cleanup-list '(scope-operator)
 c-hanging-braces-alist '((substatement-open before after) (arglist-cont-nonempty))
 c-hanging-colons-alist nil
 c-hanging-semi&comma-criteria '(c-semi&comma-inside-parenlist)
 c-backslash-column 48
 c-backslash-max-column 72
 c-special-indent-hook '(t c-gnu-impose-minimum)
 c-label-minimum-indentation 1
 c-offsets-alist '((inexpr-class . +)
		   (inexpr-statement . +)
		   (lambda-intro-cont . +)
		   (inlambda . 0)
		   (template-args-cont c-lineup-template-args +)
		   (incomposition . +)
		   (inmodule . +)
		   (innamespace . +)
		   (inextern-lang . +)
		   (composition-close . 0)
		   (module-close . 0)
		   (namespace-close . 0)
		   (extern-lang-close . 0)
		   (composition-open . 0)
		   (module-open . 0)
		   (namespace-open . 0)
		   (extern-lang-open . 0)
		   (objc-method-call-cont c-lineup-ObjC-method-call-colons c-lineup-ObjC-method-call +)
		   (objc-method-args-cont . c-lineup-ObjC-method-args)
		   (objc-method-intro . [0])
		   (friend . 0)
		   (cpp-define-intro c-lineup-cpp-define +)
		   (cpp-macro-cont . +)
		   (cpp-macro . [0])
		   (inclass . +)
		   (stream-op . c-lineup-streamop)
		   (arglist-cont-nonempty c-lineup-gcc-asm-reg c-lineup-arglist)
		   (arglist-cont c-lineup-gcc-asm-reg 0)
		   (comment-intro c-lineup-knr-region-comment c-lineup-comment)
		   (catch-clause . 0)
		   (else-clause . 0)
		   (do-while-closure . 0)
		   (access-label . -)
		   (case-label . 0)
		   (substatement . +)
		   (statement-case-intro . +)
		   (statement . 0)
		   (brace-entry-open . 0)
		   (brace-list-entry . 0)
		   (brace-list-close . 0)
		   (block-close . 0)
		   (block-open . 0)
		   (inher-cont . c-lineup-multi-inher)
		   (inher-intro . +)
		   (member-init-cont . c-lineup-multi-inher)
		   (member-init-intro . +)
		   (annotation-var-cont . +)
		   (annotation-top-cont . 0)
		   (topmost-intro . 0)
		   (knr-argdecl . 0)
		   (func-decl-cont . +)
		   (inline-close . 0)
		   (class-close . 0)
		   (class-open . 0)
		   (defun-block-intro . +)
		   (defun-close . 0)
		   (defun-open . 0)
		   (c . c-lineup-C-comments)
		   (string . c-lineup-dont-change)
		   (topmost-intro-cont first c-lineup-topmost-intro-cont c-lineup-gnu-DEFUN-intro-cont)
		   (brace-list-intro first c-lineup-2nd-brace-entry-in-arglist c-lineup-class-decl-init-+ +)
		   (brace-list-open . +)
		   (inline-open . 0)
		   (arglist-close . c-lineup-arglist)
		   (arglist-intro . c-lineup-arglist-intro-after-paren)
		   (statement-cont . +)
		   (statement-case-open . +)
		   (label . 0)
		   (substatement-label . 0)
		   (substatement-open . +)
		   (knr-argdecl-intro . 5)
		   (statement-block-intro . +)
		   )
 c-buffer-is-cc-mode 'c-mode
 c-tab-always-indent t
 c-syntactic-indentation t
 c-syntactic-indentation-in-macros t
 c-ignore-auto-fill '(string cpp code)
 c-auto-align-backslashes t
 c-backspace-function 'backward-delete-char-untabify
 c-delete-function 'delete-char
 c-electric-pound-behavior nil
 c-default-style '((java-mode . "java") (awk-mode . "awk") (other . "gnu"))
 c-enable-xemacs-performance-kludge-p nil
 c-old-style-variable-behavior nil
 defun-prompt-regexp nil
 tab-width 8
 comment-column 32
 parse-sexp-ignore-comments t
 parse-sexp-lookup-properties t
 auto-fill-function nil
 comment-multi-line t
 comment-start-skip "\\(?://+\\|/\\*+\\)\\s *"
 fill-prefix nil
 fill-column 70
 paragraph-start "[ 	]*\\(//+\\|\\**\\)[ 	]*$\\|^\f"
 adaptive-fill-mode t
 adaptive-fill-regexp "[ 	]*\\(//+\\|\\**\\)[ 	]*\\([ 	]*\\([-–!|#%;>*·•‣⁃◦]+[ 	]*\\)*\\)"
 )




Information forwarded to bug-cc-mode <at> gnu.org:
bug#59300; Package cc-mode. (Thu, 08 Dec 2022 21:04:01 GMT) Full text and rfc822 format available.

Message #8 received at 59300 <at> debbugs.gnu.org (full text, mbox):

From: Alan Mackenzie <acm <at> muc.de>
To: Po Lu <luangruo <at> yahoo.com>
Cc: 59300 <at> debbugs.gnu.org
Subject: Re: bug#59300: CC Mode 5.35.2 (C/*l); Yet another kind of incorrect
 type recognition
Date: Thu, 8 Dec 2022 21:03:39 +0000
Hello, Po.

On Wed, Nov 16, 2022 at 14:29:36 +0800, Po Lu via CC-Mode-help wrote:
> Package: cc-mode

> Insert the following text in a C mode buffer:

> static void
> Activate (Surface *surface, Role *role, int deviceid,
> 	  Timestamp timestamp, Surface *activator_surface)
> {
>   struct wl_resource *resource;
>   TestSurface *test;

>   test = TestSurfaceFromRole (role);

>   if (test->role.resource)
>     {
>       /* If the activator surface belongs to the same client as the
> 	 client who created the test surface, set the resource to the
> 	 activator surface.  */
>       if (wl_resource_get_client (activator_surface->resource)
> 	  == wl_resource_get_user_data (test->role.resource))
	
>       test_surface_send_activated (test->role.resource,
> 				   timestamp.months,
> 				   timestamp.milliseconds,
> 				   resource);
>     }
> }

> Place point at the end of the line below "wl_resource_get_user_data
> (test->role.resource))".  Type:

>   r e s o u r c e =

> Afterwards, every occurrence of `resource' will become found as a type
> and fontified incorrectly.

> Thanks.

I've got working code which fixes this.  It's a matter of integrating it
into the committed version without damaging anything else.  I'm hoping
to have this done in a few days.

> Emacs  : GNU Emacs 29.0.50 (build 1, x86_64-pc-linux-gnu)
>  of 2022-11-12
> Package: CC Mode 5.35.2 (C/*l)
> Buffer Style: gnu
> c-emacs-features: (pps-extended-state col-0-paren posix-char-classes gen-string-delim gen-comment-delim syntax-properties category-properties 1-bit)

[ .... ]

-- 
Alan Mackenzie (Nuremberg, Germany).




Information forwarded to bug-cc-mode <at> gnu.org:
bug#59300; Package cc-mode. (Fri, 09 Dec 2022 01:01:02 GMT) Full text and rfc822 format available.

Message #11 received at 59300 <at> debbugs.gnu.org (full text, mbox):

From: Po Lu <luangruo <at> yahoo.com>
To: Alan Mackenzie <acm <at> muc.de>
Cc: 59300 <at> debbugs.gnu.org
Subject: Re: bug#59300: CC Mode 5.35.2 (C/*l); Yet another kind of incorrect
 type recognition
Date: Fri, 09 Dec 2022 09:00:02 +0800
Alan Mackenzie <acm <at> muc.de> writes:

> I've got working code which fixes this.  It's a matter of integrating it
> into the committed version without damaging anything else.  I'm hoping
> to have this done in a few days.

Thank you.




This bug report was last modified 1 year and 357 days ago.

Previous Next


GNU bug tracking system
Copyright (C) 1999 Darren O. Benham, 1997,2003 nCipher Corporation Ltd, 1994-97 Ian Jackson.