doomemacs/init/init-cc.el
2015-04-27 23:25:50 -04:00

169 lines
7.6 KiB
EmacsLisp

(use-package cmake-mode
:mode "CMakeLists\\.txt$"
:config
(progn
(after "auto-complete" (add-to-list 'ac-modes 'cmake-mode))
(after "company"
(use-package company-cmake
:config (company--backend-on 'cmake-mode-hook 'company-cmake 'company-yasnippet)))))
;; Shaders
(use-package glsl-mode
:mode (("\\.glsl\\'" . glsl-mode)
("\\.vert\\'" . glsl-mode)
("\\.frag\\'" . glsl-mode)
("\\.geom\\'" . glsl-mode)))
(use-package cc-mode
:commands (c-mode c++-mode objc-mode java-mode)
:init
(progn
(associate-mode "\\.h$" 'c++-mode)
(associate-mode "\\.mm$" 'objc-mode))
:config
(progn
;; Settings ;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(setq c-basic-offset 4
c-tab-always-indent nil)
(when is-mac
(setq my--clang-includes
'("/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1"
"/usr/local/include"
"/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../lib/clang/6.0/include"
"/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include"
"/usr/include"
"/System/Library/Frameworks"
"/Library/Frameworks"))
(defun my--clang-includes () my--clang-includes)
(defun my--clang-includes-flags ()
(mapcar (lambda (item) (concat "-I" item)) my--clang-includes)))
(after "company"
;; TODO Clang is *really* slow in larger projects, maybe replace it with irony-mode or ycmd?
(company--backend-on 'c-mode-hook 'company-c-headers 'company-clang)
(company--backend-on 'c++-mode-hook 'company-c-headers 'company-clang)
(company--backend-on 'objc-mode-hook 'company-c-headers 'company-xcode))
(defun my-c-lineup-inclass (langelem)
(let ((inclass (assoc 'inclass c-syntactic-context)))
(save-excursion
(goto-char (c-langelem-pos inclass))
(if (or (looking-at "struct")
(looking-at "typedef struct"))
'+
'++))))
(defun my-c/c++-settings ()
(c-toggle-electric-state -1)
(c-toggle-auto-newline -1)
(c-set-offset 'substatement-open '0) ; brackets should be at same indentation level as the statements they open
(c-set-offset 'inline-open '+)
(c-set-offset 'block-open '+)
(c-set-offset 'brace-list-open '+) ; all "opens" should be indented by the c-indent-level
(c-set-offset 'case-label '+) ; indent case labels by c-indent-level, too
(c-set-offset 'access-label '-)
(c-set-offset 'inclass 'my-c-lineup-inclass)
;; DEL mapping interferes with smartparens and my.deflate-maybe
(bind c-mode-map (kbd "DEL") nil))
(add-hook 'c-mode-hook 'my-c/c++-settings)
(add-hook 'c++-mode-hook 'my-c/c++-settings)
(after "flycheck"
(add-hook! 'c++-mode-hook
(setq flycheck-clang-language-standard "c++11"
flycheck-clang-standard-library "libc++"
flycheck-c/c++-clang-executable "clang++"
flycheck-clang-include-path (my--clang-includes))))
(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-hook (use-package flycheck-objc))))
;; C++11 syntax support (until cc-mode is updated)
(require 'font-lock)
(defun --copy-face (new-face face)
"Define NEW-FACE from existing FACE."
(copy-face face new-face)
(eval `(defvar ,new-face nil))
(set new-face new-face))
(--copy-face 'font-lock-label-face ; labels, case, public, private, proteced, namespace-tags
'font-lock-keyword-face)
(--copy-face 'font-lock-doc-markup-face ; comment markups such as Javadoc-tags
'font-lock-doc-face)
(--copy-face 'font-lock-doc-string-face ; comment markups
'font-lock-comment-face)
(global-font-lock-mode t)
(setq font-lock-maximum-decoration t)
(add-hook! 'c++-mode-hook
;; We could place some regexes into `c-mode-common-hook', but
;; note that their evaluation order matters.
(font-lock-add-keywords
nil '(;; complete some fundamental keywords
("\\<\\(void\\|unsigned\\|signed\\|char\\|short\\|bool\\|int\\|long\\|float\\|double\\)\\>" . font-lock-keyword-face)
;; namespace names and tags - these are rendered as constants by cc-mode
("\\<\\(\\w+::\\)" . font-lock-function-name-face)
;; new C++11 keywords
("\\<\\(alignof\\|alignas\\|constexpr\\|decltype\\|noexcept\\|nullptr\\|static_assert\\|thread_local\\|override\\|final\\)\\>" . font-lock-keyword-face)
("\\<\\(char16_t\\|char32_t\\)\\>" . font-lock-keyword-face)
;; PREPROCESSOR_CONSTANT, PREPROCESSORCONSTANT
("\\<[A-Z]*_[A-Z_]+\\>" . font-lock-constant-face)
("\\<[A-Z]\\{3,\\}\\>" . font-lock-constant-face)
;; hexadecimal numbers
("\\<0[xX][0-9A-Fa-f]+\\>" . font-lock-constant-face)
;; integer/float/scientific numbers
("\\<[\\-+]*[0-9]*\\.?[0-9]+\\([ulUL]+\\|[eE][\\-+]?[0-9]+\\)?\\>" . font-lock-constant-face)
;; c++11 string literals
;; L"wide string"
;; L"wide string with UNICODE codepoint: \u2018"
;; u8"UTF-8 string", u"UTF-16 string", U"UTF-32 string"
("\\<\\([LuU8]+\\)\".*?\"" 1 font-lock-keyword-face)
;; R"(user-defined literal)"
;; R"( a "quot'd" string )"
;; R"delimiter(The String Data" )delimiter"
;; R"delimiter((a-z))delimiter" is equivalent to "(a-z)"
("\\(\\<[uU8]*R\"[^\\s-\\\\()]\\{0,16\\}(\\)" 1 font-lock-keyword-face t) ; start delimiter
( "\\<[uU8]*R\"[^\\s-\\\\()]\\{0,16\\}(\\(.*?\\))[^\\s-\\\\()]\\{0,16\\}\"" 1 font-lock-string-face t) ; actual string
( "\\<[uU8]*R\"[^\\s-\\\\()]\\{0,16\\}(.*?\\()[^\\s-\\\\()]\\{0,16\\}\"\\)" 1 font-lock-keyword-face t) ; end delimiter
;; user-defined types (rather project-specific)
("\\<[A-Za-z_]+[A-Za-z_0-9]*_\\(type\\|ptr\\)\\>" . font-lock-type-face)
("\\<\\(xstring\\|xchar\\)\\>" . font-lock-type-face)
)) t)
;; 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))) ; default behavior
;; Tools/defuns ;;;;;;;;;;;;;;;;;;;;;;;;
(push '("*compilation*" :height 0.5 :position bottom :noselect t) popwin:special-display-config)
(add-hook! 'c++-mode-hook (setq my-make-command "make %s"))
))
(provide 'init-cc)
;;; init-cc.el ends here