Documentation/CodingStyle: Use directory-local variables for emacs settings
In emacs 23.1 support for directory-local variables was added (see also https://lists.gnu.org/archive/html/info-gnu-emacs/2009-07/msg00000.html). Simplify the settings in coding-style.rst by using that feature. Additionally, do not inherit any settings from emacs' linux coding style to minimize dependencies on the version of emacs that is being used. I have verified with several large and nontrivial kernel source files that the new settings format code according to what checkpatch expects. Signed-off-by: Bart Van Assche <bvanassche@acm.org> Cc: Matthew Wilcox <willy@infradead.org> Cc: Jani Nikula <jani.nikula@linux.intel.com> Cc: Alison Chaiken <alison@she-devel.com> Cc: Joe Perches <joe@perches.com> Cc: Federico Vaga <federico.vaga@vaga.pv.it> Cc: Geyslan G. Bem <geyslan@gmail.com> Cc: Tiago Natel de Moura <tiago4orion@gmail.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Bart Van Assche
Jonathan Corbet
Родитель
d96bedb2b2
Коммит
2fec7b3309
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@ -595,26 +595,43 @@ values. To do the latter, you can stick the following in your .emacs file:
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(* (max steps 1)
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c-basic-offset)))
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(add-hook 'c-mode-common-hook
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(lambda ()
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;; Add kernel style
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(c-add-style
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"linux-tabs-only"
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'("linux" (c-offsets-alist
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(arglist-cont-nonempty
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c-lineup-gcc-asm-reg
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c-lineup-arglist-tabs-only))))))
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(dir-locals-set-class-variables
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'linux-kernel
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'((c-mode . (
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(c-basic-offset . 8)
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(c-label-minimum-indentation . 0)
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(c-offsets-alist . (
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(arglist-close . c-lineup-arglist-tabs-only)
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(arglist-cont-nonempty .
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(c-lineup-gcc-asm-reg c-lineup-arglist-tabs-only))
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(arglist-intro . +)
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(brace-list-intro . +)
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(c . c-lineup-C-comments)
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(case-label . 0)
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(comment-intro . c-lineup-comment)
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(cpp-define-intro . +)
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(cpp-macro . -1000)
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(cpp-macro-cont . +)
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(defun-block-intro . +)
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(else-clause . 0)
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(func-decl-cont . +)
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(inclass . +)
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(inher-cont . c-lineup-multi-inher)
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(knr-argdecl-intro . 0)
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(label . -1000)
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(statement . 0)
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(statement-block-intro . +)
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(statement-case-intro . +)
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(statement-cont . +)
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(substatement . +)
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))
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(indent-tabs-mode . t)
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(show-trailing-whitespace . t)
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))))
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(add-hook 'c-mode-hook
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(lambda ()
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(let ((filename (buffer-file-name)))
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;; Enable kernel mode for the appropriate files
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(when (and filename
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(string-match (expand-file-name "~/src/linux-trees")
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filename))
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(setq indent-tabs-mode t)
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(setq show-trailing-whitespace t)
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(c-set-style "linux-tabs-only")))))
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(dir-locals-set-directory-class
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(expand-file-name "~/src/linux-trees")
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'linux-kernel)
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This will make emacs go better with the kernel coding style for C
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files below ``~/src/linux-trees``.
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@ -600,26 +600,43 @@ segue nel vostro file .emacs:
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(* (max steps 1)
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c-basic-offset)))
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(add-hook 'c-mode-common-hook
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(lambda ()
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;; Add kernel style
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(c-add-style
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"linux-tabs-only"
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'("linux" (c-offsets-alist
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(arglist-cont-nonempty
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c-lineup-gcc-asm-reg
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c-lineup-arglist-tabs-only))))))
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(dir-locals-set-class-variables
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'linux-kernel
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'((c-mode . (
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(c-basic-offset . 8)
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(c-label-minimum-indentation . 0)
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(c-offsets-alist . (
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(arglist-close . c-lineup-arglist-tabs-only)
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(arglist-cont-nonempty .
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(c-lineup-gcc-asm-reg c-lineup-arglist-tabs-only))
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(arglist-intro . +)
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(brace-list-intro . +)
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(c . c-lineup-C-comments)
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(case-label . 0)
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(comment-intro . c-lineup-comment)
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(cpp-define-intro . +)
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(cpp-macro . -1000)
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(cpp-macro-cont . +)
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(defun-block-intro . +)
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(else-clause . 0)
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(func-decl-cont . +)
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(inclass . +)
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(inher-cont . c-lineup-multi-inher)
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(knr-argdecl-intro . 0)
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(label . -1000)
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(statement . 0)
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(statement-block-intro . +)
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(statement-case-intro . +)
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(statement-cont . +)
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(substatement . +)
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))
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(indent-tabs-mode . t)
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(show-trailing-whitespace . t)
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))))
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(add-hook 'c-mode-hook
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(lambda ()
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(let ((filename (buffer-file-name)))
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;; Enable kernel mode for the appropriate files
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(when (and filename
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(string-match (expand-file-name "~/src/linux-trees")
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filename))
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(setq indent-tabs-mode t)
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(setq show-trailing-whitespace t)
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(c-set-style "linux-tabs-only")))))
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(dir-locals-set-directory-class
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(expand-file-name "~/src/linux-trees")
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'linux-kernel)
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Questo farà funzionare meglio emacs con lo stile del kernel per i file che
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si trovano nella cartella ``~/src/linux-trees``.
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@ -535,26 +535,43 @@ Documentation/doc-guide/ 和 scripts/kernel-doc 以获得详细信息。
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(* (max steps 1)
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c-basic-offset)))
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(add-hook 'c-mode-common-hook
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(lambda ()
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;; Add kernel style
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(c-add-style
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"linux-tabs-only"
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'("linux" (c-offsets-alist
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(arglist-cont-nonempty
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c-lineup-gcc-asm-reg
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c-lineup-arglist-tabs-only))))))
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(dir-locals-set-class-variables
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'linux-kernel
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'((c-mode . (
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(c-basic-offset . 8)
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(c-label-minimum-indentation . 0)
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(c-offsets-alist . (
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(arglist-close . c-lineup-arglist-tabs-only)
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(arglist-cont-nonempty .
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(c-lineup-gcc-asm-reg c-lineup-arglist-tabs-only))
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(arglist-intro . +)
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(brace-list-intro . +)
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(c . c-lineup-C-comments)
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(case-label . 0)
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(comment-intro . c-lineup-comment)
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(cpp-define-intro . +)
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(cpp-macro . -1000)
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(cpp-macro-cont . +)
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(defun-block-intro . +)
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(else-clause . 0)
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(func-decl-cont . +)
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(inclass . +)
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(inher-cont . c-lineup-multi-inher)
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(knr-argdecl-intro . 0)
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(label . -1000)
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(statement . 0)
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(statement-block-intro . +)
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(statement-case-intro . +)
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(statement-cont . +)
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(substatement . +)
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))
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(indent-tabs-mode . t)
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(show-trailing-whitespace . t)
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))))
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(add-hook 'c-mode-hook
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(lambda ()
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(let ((filename (buffer-file-name)))
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;; Enable kernel mode for the appropriate files
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(when (and filename
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(string-match (expand-file-name "~/src/linux-trees")
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filename))
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(setq indent-tabs-mode t)
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(setq show-trailing-whitespace t)
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(c-set-style "linux-tabs-only")))))
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(dir-locals-set-directory-class
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(expand-file-name "~/src/linux-trees")
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'linux-kernel)
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这会让 emacs 在 ``~/src/linux-trees`` 下的 C 源文件获得更好的内核代码风格。
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