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;;; stylus-mode.el --- Major mode for editing .jade files
;;;
;;; URL: https://github.com/brianc/jade-mode
;;; Author: Brian M. Carlson and other contributors
;;; Package-Requires: ((sws-mode "0"))
;;;
;;; copied from http://xahlee.org/emacs/elisp_syntax_coloring.html
(require 'font-lock)
(require 'sws-mode)
(defun stylus-debug (string &rest args)
"Prints a debug message"
(apply 'message (append (list string) args)))
(defmacro stylus-line-as-string ()
"Returns the current line as a string."
`(buffer-substring (point-at-bol) (point-at-eol)))
(defun stylus-empty-line-p ()
"If line is empty or not."
(= (point-at-eol) (point-at-bol)))
(defun stylus-blank-line-p ()
"If line contains only spaces."
(string-match-p "^[ ]*$" (stylus-line-as-string)))
(defconst stylus-colours
(eval-when-compile
(regexp-opt
'("black" "silver" "gray" "white" "maroon" "red"
"purple" "fuchsia" "green" "lime" "olive" "yellow" "navy"
"blue" "teal" "aqua")))
"Stylus keywords.")
(defconst stylus-keywords
(eval-when-compile
(regexp-opt
'("return" "if" "else" "unless" "for" "in" "true" "false")))
"Stylus keywords.")
(defvar stylus-font-lock-keywords
`(
(,"^[ {2,}]+[a-z0-9_:\\-]+[ ]" 0 font-lock-variable-name-face)
(,"\\(::?\\(root\\|nth-child\\|nth-last-child\\|nth-of-type\\|nth-last-of-type\\|first-child\\|last-child\\|first-of-type\\|last-of-type\\|only-child\\|only-of-type\\|empty\\|link\\|visited\\|active\\|hover\\|focus\\|target\\|lang\\|enabled\\|disabled\\|checked\\|not\\)\\)*" . font-lock-type-face) ;; pseudoSelectors
(,(concat "[^_$]?\\<\\(" stylus-colours "\\)\\>[^_]?")
0 font-lock-constant-face)
(,(concat "[^_$]?\\<\\(" stylus-keywords "\\)\\>[^_]?")
0 font-lock-keyword-face)
(,"\\([.0-9]+:?\\(em\\|ex\\|px\\|mm\\|cm\\|in\\|pt\\|pc\\|deg\\|rad\\|grad\\|ms\\|s\\|Hz\\|kHz\\|rem\\|%\\)\\)" 0 font-lock-constant-face)
(,"#\\w+" 0 font-lock-keyword-face)
(,"$\\w+" 0 font-lock-variable-name-face)
))
(defvar stylus-syntax-table
(let ((syntable (make-syntax-table)))
(modify-syntax-entry ?\/ ". 124b" syntable)
(modify-syntax-entry ?* ". 23" syntable)
(modify-syntax-entry ?\n "> b" syntable)
(modify-syntax-entry ?' "\"" syntable)
syntable)
"Syntax table for `stylus-mode'.")
(defun stylus-region-for-sexp ()
"Selects the current sexp as the region"
(interactive)
(beginning-of-line)
(let ((ci (current-indentation)))
(push-mark nil nil t)
(while (> (stylus-next-line-indent) ci)
(next-line)
(end-of-line))))
(defvar stylus-mode-map (make-sparse-keymap))
;;defer to sws-mode
;;(define-key stylus-mode-map [S-tab] 'stylus-unindent-line)
;; mode declaration
;;;###autoload
(define-derived-mode stylus-mode sws-mode
"Stylus"
"Major mode for editing stylus node.js templates"
(setq tab-width 2)
(setq mode-name "Stylus")
(setq major-mode 'stylus-mode)
;; syntax table
(set-syntax-table stylus-syntax-table)
;; highlight syntax
(setq font-lock-defaults '(stylus-font-lock-keywords))
;; comments
(set (make-local-variable 'comment-start) "//")
(set (make-local-variable 'comment-end) "")
;; default tab width
(setq sws-tab-width 2)
(make-local-variable 'indent-line-function)
(setq indent-line-function 'sws-indent-line)
(make-local-variable 'indent-region-function)
(setq indent-region-function 'sws-indent-region)
;; keymap
(use-local-map stylus-mode-map))
;;;###autoload
(add-to-list 'auto-mode-alist '("\\.styl$" . stylus-mode))
(provide 'stylus-mode)
;;; stylus-mode.el ends here
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