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c++: improve indentation; fix clang/gcc include paths; electric-indent

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This commit is contained in:
Henrik Lissner 2016-03-23 11:58:08 -04:00
parent d2823adce2
commit 3c72351220
2 changed files with 61 additions and 38 deletions
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79
modules/module-cc.el
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@ -21,52 +21,59 @@
:commands (c-mode c++-mode objc-mode java-mode)
:init
(associate! objc-mode :match "\\.mm$")
(add-hook! (c-mode c++-mode) '(flycheck-mode 'narf|init-c/c++-settings))
(add-hook! (c-mode c++-mode) '(flycheck-mode narf|init-c/c++-settings))
:config
(setq c-basic-offset 4
c-tab-always-indent nil
c-electric-flag nil)
(progn ; C/C++ Settings
(when IS-MAC
(after! flycheck
(setq-default flycheck-c/c++-clang-executable "clang++"
flycheck-clang-include-path '("/usr/local/include"))
(add-hook! c++-mode (setq flycheck-clang-language-standard "c++11"
flycheck-clang-standard-library "libc++"))))
;; C/C++ Settings
(add-hook! (c-mode c++-mode)
(electric-indent-local-mode +1)
(setq electric-indent-chars '(?\n ?})))
(add-hook! c++-mode 'narf|init-c++-C11-highlights)
(when IS-MAC
(after! company
;; TODO Clang is *really* slow in larger projects, maybe replace it with
;; irony-mode or ycmd?
(define-company-backend! c-mode (c-headers clang))
(define-company-backend! c++-mode (c-headers clang))
(define-company-backend! objc-mode (c-headers xcode)))
(setq-default company-c-headers-path-system
(append '("/usr/include/" "/usr/local/include")
(f-directories "/usr/include/c++/")
(f-directories "/usr/local/include/c++/"))))
(after! flycheck
(setq-default flycheck-clang-include-path '("/usr/local/include")
flycheck-gcc-include-path '("/usr/local/include"))))
(add-hook! c++-mode 'narf|init-c++-C11-highlights)
(after! flycheck
(add-hook! c++-mode (setq flycheck-clang-language-standard "c++11"
flycheck-clang-standard-library "libc++")))
;; Fix enum and C++11 lambda indentation
(defadvice c-lineup-arglist (around c-lineup-arglist-indent-fix activate)
"Improve indentation of continued C++11 lambda function opened as argument."
(setq ad-return-value
(if (and (equal major-mode 'c++-mode)
(ignore-errors
(save-excursion
(goto-char (c-langelem-pos langelem))
;; Detect "[...](" or "[...]{". preceded by "," or "(",
;; and with unclosed brace.
(looking-at ".*[(,][ \t]*\\[[^]]*\\][ \t]*[({][^}]*$"))))
0 ; no additional indent
ad-do-it))))
(after! company
;; TODO Clang is *really* slow in larger projects, maybe replace it with
;; irony-mode or ycmd?
(define-company-backend! c-mode-common (c-headers clang xcode)))
(progn ; Obj-C
(add-to-list 'magic-mode-alist
`(,(lambda ()
(and (string= (file-name-extension buffer-file-name) "h")
(re-search-forward "@\\<interface\\>"
magic-mode-regexp-match-limit t)))
. objc-mode))
(after! flycheck (add-hook! objc-mode (require 'flycheck-objc)))))
;; Fix enum and C++11 lambda indentation
(defadvice c-lineup-arglist (around c-lineup-arglist-indent-fix activate)
"Improve indentation of continued C++11 lambda function opened as argument."
(setq ad-return-value
(if (and (eq major-mode 'c++-mode)
(ignore-errors
(save-excursion
(goto-char (c-langelem-pos langelem))
;; Detect "[...](" or "[...]{". preceded by "," or "(",
;; and with unclosed brace.
(looking-at ".*[(,][ \t]*\\[[^]]*\\][ \t]*[({][^}]*$"))))
0 ; no additional indent
ad-do-it)))
;; Obj-C
(add-to-list 'magic-mode-alist
`(,(lambda ()
(and (string= (file-name-extension buffer-file-name) "h")
(re-search-forward "@\\<interface\\>"
magic-mode-regexp-match-limit t)))
. objc-mode))
(after! flycheck (add-hook! objc-mode (require 'flycheck-objc))))
(provide 'module-cc)
;;; module-cc.el ends here