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Emacs instructions
Juan E. Maya edited this page Feb 2, 2018
·
21 revisions
Put this lisp in your .emacs (thanks Sean Farley for putting this together; extended by Jason Blevins):
(when (window-system)
(set-default-font "Fira Code"))
(let ((alist '((33 . ".\\(?:\\(?:==\\|!!\\)\\|[!=]\\)")
(35 . ".\\(?:###\\|##\\|_(\\|[#(?[_{]\\)")
(36 . ".\\(?:>\\)")
(37 . ".\\(?:\\(?:%%\\)\\|%\\)")
(38 . ".\\(?:\\(?:&&\\)\\|&\\)")
(42 . ".\\(?:\\(?:\\*\\*/\\)\\|\\(?:\\*[*/]\\)\\|[*/>]\\)")
(43 . ".\\(?:\\(?:\\+\\+\\)\\|[+>]\\)")
(45 . ".\\(?:\\(?:-[>-]\\|<<\\|>>\\)\\|[<>}~-]\\)")
(46 . ".\\(?:\\(?:\\.[.<]\\)\\|[.=-]\\)")
(47 . ".\\(?:\\(?:\\*\\*\\|//\\|==\\)\\|[*/=>]\\)")
(48 . ".\\(?:x[a-zA-Z]\\)")
(58 . ".\\(?:::\\|[:=]\\)")
(59 . ".\\(?:;;\\|;\\)")
(60 . ".\\(?:\\(?:!--\\)\\|\\(?:~~\\|->\\|\\$>\\|\\*>\\|\\+>\\|--\\|<[<=-]\\|=[<=>]\\||>\\)\\|[*$+~/<=>|-]\\)")
(61 . ".\\(?:\\(?:/=\\|:=\\|<<\\|=[=>]\\|>>\\)\\|[<=>~]\\)")
(62 . ".\\(?:\\(?:=>\\|>[=>-]\\)\\|[=>-]\\)")
(63 . ".\\(?:\\(\\?\\?\\)\\|[:=?]\\)")
(91 . ".\\(?:]\\)")
(92 . ".\\(?:\\(?:\\\\\\\\\\)\\|\\\\\\)")
(94 . ".\\(?:=\\)")
(119 . ".\\(?:ww\\)")
(123 . ".\\(?:-\\)")
(124 . ".\\(?:\\(?:|[=|]\\)\\|[=>|]\\)")
(126 . ".\\(?:~>\\|~~\\|[>=@~-]\\)")
)
))
(dolist (char-regexp alist)
(set-char-table-range composition-function-table (car char-regexp)
`([,(cdr char-regexp) 0 font-shape-gstring]))))Note! If you get error in process filter: Attempt to shape unibyte text, check out this issue. Emacs Cider users may avoid this issue by commenting the following line from the above config:
;; (46 . ".\\(?:\\(?:\\.[.<]\\)\\|[.=-]\\)")If you are having problems with helm you can disable ligatures in helm:
(add-hook 'helm-major-mode-hook
(lambda ()
(setq auto-composition-mode nil)))
If you're using the latest railwaycat Mac port of Emacs, you can instead use:
(mac-auto-operator-composition-mode)None of the above worked for me for emacs 24.5.1 on Debian Linux. So, after @siegebell made Fira Code Symbol font due to https://github.com/tonsky/FiraCode/issues/211 I spent several hours putting the following together which works for me:
;;; Fira code
;; This works when using emacs --daemon + emacsclient
(add-hook 'after-make-frame-functions (lambda (frame) (set-fontset-font t '(#Xe100 . #Xe16f) "Fira Code Symbol")))
;; This works when using emacs without server/client
(set-fontset-font t '(#Xe100 . #Xe16f) "Fira Code Symbol")
;; I haven't found one statement that makes both of the above situations work, so I use both for now
(defconst fira-code-font-lock-keywords-alist
(mapcar (lambda (regex-char-pair)
`(,(car regex-char-pair)
(0 (prog1 ()
(compose-region (match-beginning 1)
(match-end 1)
;; The first argument to concat is a string containing a literal tab
,(concat " " (list (decode-char 'ucs (cadr regex-char-pair)))))))))
'(("\\(www\\)" #Xe100)
("[^/]\\(\\*\\*\\)[^/]" #Xe101)
("\\(\\*\\*\\*\\)" #Xe102)
("\\(\\*\\*/\\)" #Xe103)
("\\(\\*>\\)" #Xe104)
("[^*]\\(\\*/\\)" #Xe105)
("\\(\\\\\\\\\\)" #Xe106)
("\\(\\\\\\\\\\\\\\)" #Xe107)
("\\({-\\)" #Xe108)
("\\(\\[\\]\\)" #Xe109)
("\\(::\\)" #Xe10a)
("\\(:::\\)" #Xe10b)
("[^=]\\(:=\\)" #Xe10c)
("\\(!!\\)" #Xe10d)
("\\(!=\\)" #Xe10e)
("\\(!==\\)" #Xe10f)
("\\(-}\\)" #Xe110)
("\\(--\\)" #Xe111)
("\\(---\\)" #Xe112)
("\\(-->\\)" #Xe113)
("[^-]\\(->\\)" #Xe114)
("\\(->>\\)" #Xe115)
("\\(-<\\)" #Xe116)
("\\(-<<\\)" #Xe117)
("\\(-~\\)" #Xe118)
("\\(#{\\)" #Xe119)
("\\(#\\[\\)" #Xe11a)
("\\(##\\)" #Xe11b)
("\\(###\\)" #Xe11c)
("\\(####\\)" #Xe11d)
("\\(#(\\)" #Xe11e)
("\\(#\\?\\)" #Xe11f)
("\\(#_\\)" #Xe120)
("\\(#_(\\)" #Xe121)
("\\(\\.-\\)" #Xe122)
("\\(\\.=\\)" #Xe123)
("\\(\\.\\.\\)" #Xe124)
("\\(\\.\\.<\\)" #Xe125)
("\\(\\.\\.\\.\\)" #Xe126)
("\\(\\?=\\)" #Xe127)
("\\(\\?\\?\\)" #Xe128)
("\\(;;\\)" #Xe129)
("\\(/\\*\\)" #Xe12a)
("\\(/\\*\\*\\)" #Xe12b)
("\\(/=\\)" #Xe12c)
("\\(/==\\)" #Xe12d)
("\\(/>\\)" #Xe12e)
("\\(//\\)" #Xe12f)
("\\(///\\)" #Xe130)
("\\(&&\\)" #Xe131)
("\\(||\\)" #Xe132)
("\\(||=\\)" #Xe133)
("[^|]\\(|=\\)" #Xe134)
("\\(|>\\)" #Xe135)
("\\(\\^=\\)" #Xe136)
("\\(\\$>\\)" #Xe137)
("\\(\\+\\+\\)" #Xe138)
("\\(\\+\\+\\+\\)" #Xe139)
("\\(\\+>\\)" #Xe13a)
("\\(=:=\\)" #Xe13b)
("[^!/]\\(==\\)[^>]" #Xe13c)
("\\(===\\)" #Xe13d)
("\\(==>\\)" #Xe13e)
("[^=]\\(=>\\)" #Xe13f)
("\\(=>>\\)" #Xe140)
("\\(<=\\)" #Xe141)
("\\(=<<\\)" #Xe142)
("\\(=/=\\)" #Xe143)
("\\(>-\\)" #Xe144)
("\\(>=\\)" #Xe145)
("\\(>=>\\)" #Xe146)
("[^-=]\\(>>\\)" #Xe147)
("\\(>>-\\)" #Xe148)
("\\(>>=\\)" #Xe149)
("\\(>>>\\)" #Xe14a)
("\\(<\\*\\)" #Xe14b)
("\\(<\\*>\\)" #Xe14c)
("\\(<|\\)" #Xe14d)
("\\(<|>\\)" #Xe14e)
("\\(<\\$\\)" #Xe14f)
("\\(<\\$>\\)" #Xe150)
("\\(<!--\\)" #Xe151)
("\\(<-\\)" #Xe152)
("\\(<--\\)" #Xe153)
("\\(<->\\)" #Xe154)
("\\(<\\+\\)" #Xe155)
("\\(<\\+>\\)" #Xe156)
("\\(<=\\)" #Xe157)
("\\(<==\\)" #Xe158)
("\\(<=>\\)" #Xe159)
("\\(<=<\\)" #Xe15a)
("\\(<>\\)" #Xe15b)
("[^-=]\\(<<\\)" #Xe15c)
("\\(<<-\\)" #Xe15d)
("\\(<<=\\)" #Xe15e)
("\\(<<<\\)" #Xe15f)
("\\(<~\\)" #Xe160)
("\\(<~~\\)" #Xe161)
("\\(</\\)" #Xe162)
("\\(</>\\)" #Xe163)
("\\(~@\\)" #Xe164)
("\\(~-\\)" #Xe165)
("\\(~=\\)" #Xe166)
("\\(~>\\)" #Xe167)
("[^<]\\(~~\\)" #Xe168)
("\\(~~>\\)" #Xe169)
("\\(%%\\)" #Xe16a)
;; ("\\(x\\)" #Xe16b) This ended up being hard to do properly so i'm leaving it out.
("[^:=]\\(:\\)[^:=]" #Xe16c)
("[^\\+<>]\\(\\+\\)[^\\+<>]" #Xe16d)
("[^\\*/<>]\\(\\*\\)[^\\*/<>]" #Xe16f))))
(defun add-fira-code-symbol-keywords ()
(font-lock-add-keywords nil fira-code-font-lock-keywords-alist))
(add-hook 'prog-mode-hook
#'add-fira-code-symbol-keywords)On some systems, == will appear incorrectly as a blank space in certain modes unless you add the following lines to your init file:
(set-language-environment "UTF-8")
(set-default-coding-systems 'utf-8)Fira Code 💻 – Home – Wiki – Issues – Suggestions
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