doomemacs/modules/defuns/defuns-cc.el

82 lines
3.8 KiB
EmacsLisp

;;; defuns-cc.el --- for module-cc.el
(defun narf--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"))
'+
'++))))
;;;###autoload
(defun narf|init-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 'narf--c-lineup-inclass)
;; DEL mapping interferes with smartparens and my custom DEL binding
(define-key c-mode-map (kbd "DEL") nil))
(defun narf--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))
;;;###autoload
(defun narf|init-c++-C11-highlights ()
;; C++11 syntax support (until cc-mode is updated)
(require 'font-lock)
;; labels, case, public, private, protected, namespace-tags
(narf--copy-face 'font-lock-label-face 'font-lock-keyword-face)
;; comment markups such as Javadoc-tags
(narf--copy-face 'font-lock-doc-markup-face 'font-lock-doc-face)
;; comment markups
(narf--copy-face 'font-lock-doc-string-face 'font-lock-comment-face)
(setq font-lock-maximum-decoration t)
;; 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))
(provide 'defuns-cc)
;;; defuns-cc.el ends here