diff options
Diffstat (limited to 'misc')
| -rw-r--r-- | misc/emacs/README | 10 | ||||
| -rw-r--r-- | misc/emacs/local.mk | 1 | ||||
| -rw-r--r-- | misc/emacs/nix-mode.el | 113 | ||||
| -rw-r--r-- | misc/systemd/nix-daemon.service | 10 | ||||
| -rw-r--r-- | misc/vim/syntax/nix.vim | 37 |
5 files changed, 171 insertions, 0 deletions
diff --git a/misc/emacs/README b/misc/emacs/README new file mode 100644 index 000000000000..8c87f67d5718 --- /dev/null +++ b/misc/emacs/README @@ -0,0 +1,10 @@ +The Nix Emacs mode supports syntax highlighting, somewhat sensible +indenting, and refilling of comments. + +To enable Nix mode in Emacs, add something like this to your ~/.emacs +file: + + (load "/nix/share/emacs/site-lisp/nix-mode.el") + +This automatically causes Nix mode to be activated for all files with +extension `.nix'. diff --git a/misc/emacs/local.mk b/misc/emacs/local.mk new file mode 100644 index 000000000000..8e06b881bcdf --- /dev/null +++ b/misc/emacs/local.mk @@ -0,0 +1 @@ +$(eval $(call install-data-in,$(d)/nix-mode.el,$(datadir)/emacs/site-lisp)) diff --git a/misc/emacs/nix-mode.el b/misc/emacs/nix-mode.el new file mode 100644 index 000000000000..986edcf6e321 --- /dev/null +++ b/misc/emacs/nix-mode.el @@ -0,0 +1,113 @@ +(defun nix-mode () + "Major mode for editing Nix expressions. + +The following commands may be useful: + + '\\[newline-and-indent]' + Insert a newline and move the cursor to align with the previous + non-empty line. + + '\\[fill-paragraph]' + Refill a paragraph so that all lines are at most `fill-column' + lines long. This should do the right thing for comments beginning + with `#'. However, this command doesn't work properly yet if the + comment is adjacent to code (i.e., no intervening empty lines). + In that case, select the text to be refilled and use + `\\[fill-region]' instead. + +The hook `nix-mode-hook' is run when Nix mode is started. + +\\{nix-mode-map} +" + + (interactive) + + (kill-all-local-variables) + + (setq major-mode 'nix-mode) + (setq mode-name "Nix") + + (use-local-map nix-mode-map) + + (set-syntax-table nix-mode-syntax-table) + + ;; Font lock support. + (setq font-lock-defaults '(nix-keywords nil nil nil nil)) + + ;; Automatic indentation [C-j]. + (make-local-variable 'indent-line-function) + (setq indent-line-function 'nix-indent-line) + + ;; Indenting of comments. + (make-local-variable 'comment-start) + (setq comment-start "# ") + (make-local-variable 'comment-end) + (setq comment-end "") + (make-local-variable 'comment-start-skip) + (setq comment-start-skip "\\(^\\|\\s-\\);?#+ *") + + ;; Filling of comments. + (make-local-variable 'adaptive-fill-mode) + (setq adaptive-fill-mode t) + (make-local-variable 'paragraph-start) + (setq paragraph-start "[ \t]*\\(#+[ \t]*\\)?$") + (make-local-variable 'paragraph-separate) + (setq paragraph-separate paragraph-start) + + (run-hooks 'nix-mode-hook) + ) + + +(defvar nix-mode-map nil + "Keymap for Nix mode.") + +(setq nix-mode-map (make-sparse-keymap)) +;(define-key nix-mode-map [tab] 'tab-to-tab-stop) + + +(defvar nix-keywords + '("\\<if\\>" "\\<then\\>" "\\<else\\>" "\\<assert\\>" "\\<with\\>" + "\\<let\\>" "\\<in\\>" "\\<rec\\>" "\\<inherit\\>" "\\<or\\>" + ("\\<true\\>" . font-lock-builtin-face) + ("\\<false\\>" . font-lock-builtin-face) + ("\\<null\\>" . font-lock-builtin-face) + ("\\<import\\>" . font-lock-builtin-face) + ("\\<derivation\\>" . font-lock-builtin-face) + ("\\<baseNameOf\\>" . font-lock-builtin-face) + ("\\<toString\\>" . font-lock-builtin-face) + ("\\<isNull\\>" . font-lock-builtin-face) + ("[a-zA-Z][a-zA-Z0-9\\+-\\.]*:[a-zA-Z0-9%/\\?:@&=\\+\\$,_\\.!~\\*'-]+" + . font-lock-constant-face) + ("\\<\\([a-zA-Z_][a-zA-Z0-9_'\-\.]*\\)[ \t]*=" + (1 font-lock-variable-name-face nil nil)) + ("<[a-zA-Z0-9._\\+-]+\\(/[a-zA-Z0-9._\\+-]+\\)*>" + . font-lock-constant-face) + ("[a-zA-Z0-9._\\+-]*\\(/[a-zA-Z0-9._\\+-]+\\)+" + . font-lock-constant-face) + )) + + +(defvar nix-mode-syntax-table nil + "Syntax table for Nix mode.") + +(if nix-mode-syntax-table + nil + (progn + (setq nix-mode-syntax-table (make-syntax-table)) + (modify-syntax-entry ?/ ". 14" nix-mode-syntax-table) + (modify-syntax-entry ?* ". 23" nix-mode-syntax-table) + (modify-syntax-entry ?# "< b" nix-mode-syntax-table) + (modify-syntax-entry ?\n "> b" nix-mode-syntax-table) + )) + + +(defun nix-indent-line () + "Indent current line in a Nix expression." + (interactive) + (indent-relative-maybe)) + + +(setq auto-mode-alist (cons '("\\.nix\\'" . nix-mode) auto-mode-alist)) +(setq auto-mode-alist (cons '("\\.nix.in\\'" . nix-mode) auto-mode-alist)) + +(provide 'nix-mode) diff --git a/misc/systemd/nix-daemon.service b/misc/systemd/nix-daemon.service new file mode 100644 index 000000000000..ee28209f090e --- /dev/null +++ b/misc/systemd/nix-daemon.service @@ -0,0 +1,10 @@ +[Unit] +Description=Helper daemon for managing secure, multi-user Nix stores +After=syslog.target + +[Service] +Type=simple +ExecStart=/usr/bin/nix-daemon + +[Install] +WantedBy=multi-user.target diff --git a/misc/vim/syntax/nix.vim b/misc/vim/syntax/nix.vim new file mode 100644 index 000000000000..ddddea5f0596 --- /dev/null +++ b/misc/vim/syntax/nix.vim @@ -0,0 +1,37 @@ +" Vim syntax file +" Language: nix +" Maintainer: Marc Weber <marco-oweber@gmx.de> +" Modify and commit if you feel that way +" Last Change: 2007 Dec + +" Quit when a (custom) syntax file was already loaded +if exists("b:current_syntax") + finish +endif + +syn keyword nixKeyword let throw inherit import true false null with +syn keyword nixConditional if else then +syn keyword nixBrace ( ) { } = +syn keyword nixBuiltin __currentSystem __currentTime __isFunction __getEnv __trace __toPath __pathExists + \ __readFile __toXML __toFile __filterSource __attrNames __getAttr __hasAttr __isAttrs __listToAttrs __isList + \ __head __tail __add __sub __lessThan __substring __stringLength + +syn match nixAttr "\w\+\ze\s*=" +syn match nixFuncArg "\zs\w\+\ze\s*:" +syn region nixStringParam start=+\${+ end=+}+ +syn region nixMultiLineComment start=+/\*+ skip=+\\"+ end=+\*/+ +syn match nixEndOfLineComment "#.*$" +syn region nixStringIndented start=+''+ skip=+'''\|''${\|"+ end=+''+ contains=nixStringParam +syn region nixString start=+"+ skip=+\\"+ end=+"+ contains=nixStringParam + +hi def link nixKeyword Keyword +hi def link nixConditional Conditional +hi def link nixBrace Special +hi def link nixString String +hi def link nixStringIndented String +hi def link nixBuiltin Special +hi def link nixStringParam Macro +hi def link nixMultiLineComment Comment +hi def link nixEndOfLineComment Comment +hi def link nixAttr Identifier +hi def link nixFuncArg Identifier |