changeset 132:2f26b05c2978

elpa: add haml-mode and associated flymake packages
author Jordi Gutiérrez Hermoso <jordigh@octave.org>
date Mon, 19 Oct 2015 10:57:29 -0400
parents b9393ecfcc51
children 9b8966cff478
files elpa/flymake-easy-0.9/flymake-easy-autoloads.el elpa/flymake-easy-0.9/flymake-easy-pkg.el elpa/flymake-easy-0.9/flymake-easy.el elpa/flymake-haml-0.7/flymake-haml-autoloads.el elpa/flymake-haml-0.7/flymake-haml-pkg.el elpa/flymake-haml-0.7/flymake-haml.el elpa/haml-mode-3.1.8/haml-mode-autoloads.el elpa/haml-mode-3.1.8/haml-mode-pkg.el elpa/haml-mode-3.1.8/haml-mode.el
diffstat 9 files changed, 1149 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
new file mode 100644
--- /dev/null
+++ b/elpa/flymake-easy-0.9/flymake-easy-autoloads.el
@@ -0,0 +1,16 @@
+;;; flymake-easy-autoloads.el --- automatically extracted autoloads
+;;
+;;; Code:
+(add-to-list 'load-path (or (file-name-directory #$) (car load-path)))
+
+;;;### (autoloads nil nil ("flymake-easy.el") (22050 30699 158367
+;;;;;;  971000))
+
+;;;***
+
+;; Local Variables:
+;; version-control: never
+;; no-byte-compile: t
+;; no-update-autoloads: t
+;; End:
+;;; flymake-easy-autoloads.el ends here
new file mode 100644
--- /dev/null
+++ b/elpa/flymake-easy-0.9/flymake-easy-pkg.el
@@ -0,0 +1,1 @@
+(define-package "flymake-easy" "0.9" "Helpers for easily building flymake checkers" 'nil)
new file mode 100644
--- /dev/null
+++ b/elpa/flymake-easy-0.9/flymake-easy.el
@@ -0,0 +1,148 @@
+
+;;; flymake-easy.el --- Helpers for easily building flymake checkers
+
+;; Copyright (C) 2012 Steve Purcell
+
+;; Author: Steve Purcell <steve@sanityinc.com>
+;; URL: https://github.com/purcell/flymake-easy
+;; Version: 0.9
+;; Keywords: convenience, internal
+
+;; This program is free software; you can redistribute it and/or modify
+;; it under the terms of the GNU General Public License as published by
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
+
+;; This program is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;; GNU General Public License for more details.
+
+;; You should have received a copy of the GNU General Public License
+;; along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+;;; Commentary:
+
+;; This library provides the `flymake-easy-load' helper function for
+;; setting up flymake checkers. Just call that function with the
+;; appropriate arguments in a major mode hook function. See
+;; `flymake-ruby' for an example:
+;; https://github.com/purcell/flymake-ruby
+
+;;; Code:
+
+(require 'flymake)
+
+(defvar flymake-easy--active nil
+  "Indicates when flymake-easy-load has successfully run in this buffer.")
+(defvar flymake-easy--command-fn nil
+  "The user-specified function for building the flymake command.")
+(defvar flymake-easy--location nil
+  "Where to create the temp file when checking, one of 'tempdir or 'inplace.")
+(defvar flymake-easy--extension nil
+  "The canonical file name extension to use for the current file.")
+
+(mapc 'make-variable-buffer-local
+      '(flymake-easy--active
+        flymake-easy--command-fn
+        flymake-easy--location
+        flymake-easy--extension))
+
+(defun flymake-easy--tempfile-in-temp-dir (file-name prefix)
+  "Create a temporary file for storing the contents of FILE-NAME in the system tempdir.
+Argument PREFIX temp file prefix, supplied by flymake."
+  (make-temp-file (or prefix "flymake-easy")
+                  nil
+                  (concat "." flymake-easy--extension)))
+
+(defun flymake-easy--flymake-init ()
+  "A catch-all flymake init function for use in `flymake-allowed-file-name-masks'."
+  (let* ((tempfile
+          (flymake-init-create-temp-buffer-copy
+           (cond
+            ((eq 'tempdir flymake-easy--location)
+             'flymake-easy--tempfile-in-temp-dir)
+            ((eq 'inplace flymake-easy--location)
+             'flymake-create-temp-inplace)
+            (t
+             (error "unknown location for flymake-easy: %s" flymake-easy--location)))))
+         (command (funcall flymake-easy--command-fn tempfile)))
+    (list (car command) (cdr command))))
+
+(defun flymake-easy-exclude-buffer-p ()
+  "Whether to skip flymake in the current buffer."
+  (and (fboundp 'tramp-tramp-file-p)
+       (buffer-file-name)
+       (tramp-tramp-file-p (buffer-file-name))))
+
+(defun flymake-easy-load (command-fn &optional err-line-patterns location extension warning-re info-re)
+  "Enable flymake in the containing buffer using a specific narrow configuration.
+Argument COMMAND-FN function called to build the
+   command line to run (receives filename, returns list).
+Argument ERR-LINE-PATTERNS patterns for identifying errors (see `flymake-err-line-patterns').
+Argument EXTENSION a canonical extension for this type of source file, e.g. \"rb\".
+Argument LOCATION where to create the temporary copy: one of 'tempdir (default) or 'inplace.
+Argument WARNING-RE a pattern which identifies error messages as warnings.
+Argument INFO-RE a pattern which identifies messages as infos (supported only
+by the flymake fork at https://github.com/illusori/emacs-flymake)."
+  (let ((executable (car (funcall command-fn "dummy"))))
+    (if (executable-find executable) ;; TODO: defer this checking
+        (unless (flymake-easy-exclude-buffer-p)
+          (setq flymake-easy--command-fn command-fn
+                flymake-easy--location (or location 'tempdir)
+                flymake-easy--extension extension
+                flymake-easy--active t)
+          (set (make-local-variable 'flymake-allowed-file-name-masks)
+               '(("." flymake-easy--flymake-init)))
+          (when err-line-patterns
+            (set (make-local-variable 'flymake-err-line-patterns) err-line-patterns))
+          (dolist (var '(flymake-warning-re flymake-warn-line-regexp))
+            (set (make-local-variable var) (or warning-re "^[wW]arn")))
+          (when (boundp 'flymake-info-line-regexp)
+            (set (make-local-variable 'flymake-info-line-regexp)
+                 (or info-re "^[iI]nfo")))
+          (flymake-mode t))
+      (message "Not enabling flymake: '%s' program not found" executable))))
+
+;; Internal overrides for flymake
+
+(defun flymake-easy--find-all-matches (str)
+  "Return every match for `flymake-err-line-patterns' in STR.
+
+This is a judicious override for `flymake-split-output', enabled
+by the advice below, which allows for matching multi-line
+patterns."
+  (let (matches
+        (last-match-end-pos 0))
+    (dolist (pattern flymake-err-line-patterns)
+      (let ((regex (car pattern))
+            (pos 0))
+        (while (string-match regex str pos)
+          (push (match-string 0 str) matches)
+          (setq pos (match-end 0)))
+        (setq last-match-end-pos (max pos last-match-end-pos))))
+    (let ((residual (substring str last-match-end-pos)))
+      (list matches
+            (unless (string= "" residual) residual)))))
+
+(defadvice flymake-split-output (around flymake-easy--split-output (output) activate protect)
+  "Override `flymake-split-output' to support mult-line error messages."
+  (setq ad-return-value (if flymake-easy--active
+                            (flymake-easy--find-all-matches output)
+                          ad-do-it)))
+
+
+(defadvice flymake-post-syntax-check (before flymake-easy--force-check-was-interrupted activate)
+  (when flymake-easy--active
+    (setq flymake-check-was-interrupted t)))
+
+
+(provide 'flymake-easy)
+
+;; Local Variables:
+;; coding: utf-8
+;; byte-compile-warnings: (not cl-functions)
+;; eval: (checkdoc-minor-mode 1)
+;; End:
+
+;;; flymake-easy.el ends here
new file mode 100644
--- /dev/null
+++ b/elpa/flymake-haml-0.7/flymake-haml-autoloads.el
@@ -0,0 +1,26 @@
+;;; flymake-haml-autoloads.el --- automatically extracted autoloads
+;;
+;;; Code:
+(add-to-list 'load-path (or (file-name-directory #$) (car load-path)))
+
+;;;### (autoloads nil "flymake-haml" "flymake-haml.el" (22050 30700
+;;;;;;  22298 150000))
+;;; Generated autoloads from flymake-haml.el
+
+(autoload 'flymake-haml-load "flymake-haml" "\
+Configure flymake mode to check the current buffer's haml syntax.
+
+This function is designed to be called in `haml-mode-hook'; it
+does not alter flymake's global configuration, so function
+`flymake-mode' alone will not suffice.
+
+\(fn)" t nil)
+
+;;;***
+
+;; Local Variables:
+;; version-control: never
+;; no-byte-compile: t
+;; no-update-autoloads: t
+;; End:
+;;; flymake-haml-autoloads.el ends here
new file mode 100644
--- /dev/null
+++ b/elpa/flymake-haml-0.7/flymake-haml-pkg.el
@@ -0,0 +1,1 @@
+(define-package "flymake-haml" "0.7" "A flymake handler for haml files" '((flymake-easy "0.1")))
new file mode 100644
--- /dev/null
+++ b/elpa/flymake-haml-0.7/flymake-haml.el
@@ -0,0 +1,43 @@
+
+;;; flymake-haml.el --- A flymake handler for haml files
+;;
+;;; Author: Steve Purcell <steve@sanityinc.com>
+;;; URL: https://github.com/purcell/flymake-haml
+;;; Version: 0.7
+;;; Package-Requires: ((flymake-easy "0.1"))
+;;
+;;; Commentary:
+;;
+;; Usage:
+;;   (require 'flymake-haml)
+;;   (add-hook 'haml-mode-hook 'flymake-haml-load)
+;;
+;; Uses flymake-easy, from https://github.com/purcell/flymake-easy
+
+;;; Code:
+
+(require 'flymake-easy)
+
+(defconst flymake-haml-err-line-patterns '(("^Syntax error on line \\([0-9]+\\): \\(.*\\)$" nil 1 nil 2)))
+
+;; Invoke utilities with '-c' to get syntax checking
+(defun flymake-haml-command (filename)
+  "Construct a command that flymake can use to check haml source."
+  (list "haml" "-c" filename))
+
+;;;###autoload
+(defun flymake-haml-load ()
+  "Configure flymake mode to check the current buffer's haml syntax.
+
+This function is designed to be called in `haml-mode-hook'; it
+does not alter flymake's global configuration, so function
+`flymake-mode' alone will not suffice."
+  (interactive)
+  (flymake-easy-load 'flymake-haml-command
+                     flymake-haml-err-line-patterns
+                     'tempdir
+                     "haml"))
+
+
+(provide 'flymake-haml)
+;;; flymake-haml.el ends here
new file mode 100644
--- /dev/null
+++ b/elpa/haml-mode-3.1.8/haml-mode-autoloads.el
@@ -0,0 +1,26 @@
+;;; haml-mode-autoloads.el --- automatically extracted autoloads
+;;
+;;; Code:
+(add-to-list 'load-path (or (file-name-directory #$) (car load-path)))
+
+;;;### (autoloads nil "haml-mode" "haml-mode.el" (22050 30658 934094
+;;;;;;  395000))
+;;; Generated autoloads from haml-mode.el
+
+(autoload 'haml-mode "haml-mode" "\
+Major mode for editing Haml files.
+
+\\{haml-mode-map}
+
+\(fn)" t nil)
+
+(add-to-list 'auto-mode-alist '("\\.haml\\'" . haml-mode))
+
+;;;***
+
+;; Local Variables:
+;; version-control: never
+;; no-byte-compile: t
+;; no-update-autoloads: t
+;; End:
+;;; haml-mode-autoloads.el ends here
new file mode 100644
--- /dev/null
+++ b/elpa/haml-mode-3.1.8/haml-mode-pkg.el
@@ -0,0 +1,1 @@
+(define-package "haml-mode" "3.1.8" "Major mode for editing Haml files" '((ruby-mode "1.0")))
new file mode 100644
--- /dev/null
+++ b/elpa/haml-mode-3.1.8/haml-mode.el
@@ -0,0 +1,887 @@
+;;; haml-mode.el --- Major mode for editing Haml files
+
+;; Copyright (c) 2007, 2008 Nathan Weizenbaum
+
+;; Author: Nathan Weizenbaum
+;; URL: http://github.com/nex3/haml/tree/master
+;; Package-Requires: ((ruby-mode "1.0"))
+;; Version: 3.1.8
+;; Created: 2007-03-08
+;; By: Nathan Weizenbaum
+;; Keywords: markup, language, html
+
+;;; Commentary:
+
+;; Because Haml's indentation schema is similar
+;; to that of YAML and Python, many indentation-related
+;; functions are similar to those in yaml-mode and python-mode.
+
+;; To install, save this on your load path and add the following to
+;; your .emacs file:
+;;
+;; (require 'haml-mode)
+
+;;; Code:
+
+(eval-when-compile (require 'cl))
+(require 'ruby-mode)
+
+;; Additional (optional) libraries for fontification
+(require 'css-mode nil t)
+(require 'textile-mode nil t)
+(require 'markdown-mode nil t)
+(or
+ (require 'js nil t)
+ (require 'javascript-mode "javascript" t))
+
+
+;; User definable variables
+
+(defgroup haml nil
+  "Support for the Haml template language."
+  :group 'languages
+  :prefix "haml-")
+
+(defcustom haml-mode-hook nil
+  "Hook run when entering Haml mode."
+  :type 'hook
+  :group 'haml)
+
+(defcustom haml-indent-offset 2
+  "Amount of offset per level of indentation."
+  :type 'integer
+  :group 'haml)
+
+(defcustom haml-backspace-backdents-nesting t
+  "Non-nil to have `haml-electric-backspace' re-indent blocks of code.
+This means that all code nested beneath the backspaced line is
+re-indented along with the line itself."
+  :type 'boolean
+  :group 'haml)
+
+(defvar haml-indent-function 'haml-indent-p
+  "A function for checking if nesting is allowed.
+This function should look at the current line and return t
+if the next line could be nested within this line.
+
+The function can also return a positive integer to indicate
+a specific level to which the current line could be indented.")
+
+(defconst haml-tag-beg-re
+  "^[ \t]*\\([%\\.#][a-z0-9_:\\-]+\\)+\\(?:(.*)\\|{.*}\\|\\[.*\\]\\)*"
+  "A regexp matching the beginning of a Haml tag, through (), {}, and [].")
+
+(defvar haml-block-openers
+  `(,(concat haml-tag-beg-re "[><]*[ \t]*$")
+    "^[ \t]*[&!]?[-=~].*do[ \t]*\\(|.*|[ \t]*\\)?$"
+    ,(concat "^[ \t]*[&!]?[-=~][ \t]*\\("
+             (regexp-opt '("if" "unless" "while" "until" "else" "for"
+                           "begin" "elsif" "rescue" "ensure" "when"))
+             "\\)")
+    "^[ \t]*/\\(\\[.*\\]\\)?[ \t]*$"
+    "^[ \t]*-#"
+    "^[ \t]*:")
+  "A list of regexps that match lines of Haml that open blocks.
+That is, a Haml line that can have text nested beneath it should
+be matched by a regexp in this list.")
+
+
+;; Font lock
+
+(defun haml-nested-regexp (re)
+  "Create a regexp to match a block starting with RE.
+The line containing RE is matched, as well as all lines indented beneath it."
+  (concat "^\\([ \t]*\\)\\(" re "\\)\\([ \t]*\\(?:\n\\(?:\\1 +[^\n]*\\)?\\)*\n?\\)$"))
+
+(defconst haml-font-lock-keywords
+  `((haml-highlight-interpolation         1 font-lock-variable-name-face prepend)
+    (haml-highlight-ruby-tag 1 font-lock-preprocessor-face)
+    (haml-highlight-ruby-script 1 font-lock-preprocessor-face)
+    ;; TODO: distinguish between "/" comments, which can contain HAML
+    ;; output directives, and "-#", which are completely ignored
+    haml-highlight-comment
+    haml-highlight-filter
+    ("^!!!.*"                             0 font-lock-constant-face)
+    ("\\s| *$"                            0 font-lock-string-face)))
+
+(defconst haml-filter-re (haml-nested-regexp ":\\w+"))
+(defconst haml-comment-re (haml-nested-regexp "\\(?:-\\#\\|/\\)[^\n]*"))
+
+(defun haml-highlight-comment (limit)
+  "Highlight any -# or / comment found up to LIMIT."
+  (when (re-search-forward haml-comment-re limit t)
+    (let ((beg (match-beginning 0))
+          (end (match-end 0)))
+      (put-text-property beg end 'face 'font-lock-comment-face)
+      (goto-char end))))
+
+;; Fontifying sub-regions for other languages
+
+(defun haml-fontify-region
+  (beg end keywords syntax-table syntactic-keywords syntax-propertize-fn)
+  "Fontify a region between BEG and END using another mode's fontification.
+
+KEYWORDS, SYNTAX-TABLE, SYNTACTIC-KEYWORDS and
+SYNTAX-PROPERTIZE-FN are the values of that mode's
+`font-lock-keywords', `font-lock-syntax-table',
+`font-lock-syntactic-keywords', and `syntax-propertize-function'
+respectively."
+  (save-excursion
+    (save-match-data
+      (let ((font-lock-keywords keywords)
+            (font-lock-syntax-table syntax-table)
+            (font-lock-syntactic-keywords syntactic-keywords)
+            (syntax-propertize-function syntax-propertize-fn)
+            (font-lock-multiline 'undecided)
+            (font-lock-dont-widen t)
+            font-lock-keywords-only
+            font-lock-extend-region-functions
+            font-lock-keywords-case-fold-search)
+        (save-restriction
+          (narrow-to-region (1- beg) end)
+          ;; font-lock-fontify-region apparently isn't inclusive,
+          ;; so we have to move the beginning back one char
+          (font-lock-fontify-region (1- beg) end))))))
+
+(defun haml-fontify-region-as-ruby (beg end)
+  "Use Ruby's font-lock variables to fontify the region between BEG and END."
+  (haml-fontify-region beg end ruby-font-lock-keywords
+                       ruby-font-lock-syntax-table
+                       (when (boundp 'ruby-font-lock-syntactic-keywords)
+                         ruby-font-lock-syntactic-keywords)
+                       (when (fboundp 'ruby-syntax-propertize-function)
+                         #'ruby-syntax-propertize-function)))
+
+(defun haml-fontify-region-as-css (beg end)
+  "Fontify CSS code from BEG to END.
+
+This requires that `css-mode' is available.
+`css-mode' is included with Emacs 23."
+  (when (boundp 'css-font-lock-keywords)
+      (haml-fontify-region beg end
+                           css-font-lock-keywords
+                           css-mode-syntax-table
+                           nil
+                           nil)))
+
+(defun haml-fontify-region-as-javascript (beg end)
+  "Fontify javascript code from BEG to END.
+
+This requires that Karl Landström's javascript mode be available, either as the
+\"js.el\" bundled with Emacs >= 23, or as \"javascript.el\" found in ELPA and
+elsewhere."
+  (let ((keywords (or (and (featurep 'js) js--font-lock-keywords-3)
+                      (and (featurep 'javascript-mode) js-font-lock-keywords-3)))
+        (syntax-table (or (and (featurep 'js) js-mode-syntax-table)
+                          (and (featurep 'javascript-mode) javascript-mode-syntax-table)))
+        (syntax-propertize (and (featurep 'js) 'js-syntax-propertize)))
+    (when keywords
+      (when (and (fboundp 'js--update-quick-match-re) (null js--quick-match-re-func))
+        (js--update-quick-match-re))
+      (haml-fontify-region beg end keywords syntax-table nil syntax-propertize))))
+
+(defun haml-fontify-region-as-textile (beg end)
+  "Highlight textile from BEG to END.
+
+This requires that `textile-mode' be available.
+
+Note that the results are not perfect, since `textile-mode' expects
+certain constructs such as \"h1.\" to be at the beginning of a line,
+and indented Haml filters always have leading whitespace."
+  (if (boundp 'textile-font-lock-keywords)
+      (haml-fontify-region beg end textile-font-lock-keywords nil nil nil)))
+
+(defun haml-fontify-region-as-markdown (beg end)
+  "Highlight markdown from BEG to END.
+
+This requires that `markdown-mode' be available."
+  (if (boundp 'markdown-mode-font-lock-keywords)
+      (haml-fontify-region beg end
+                           markdown-mode-font-lock-keywords
+                           markdown-mode-syntax-table
+                           nil
+                           nil)))
+
+(defvar haml-fontify-filter-functions-alist
+  '(("ruby"       . haml-fontify-region-as-ruby)
+    ("css"        . haml-fontify-region-as-css)
+    ("javascript" . haml-fontify-region-as-javascript)
+    ("textile"    . haml-fontify-region-as-textile)
+    ("markdown"   . haml-fontify-region-as-markdown))
+  "An alist of (FILTER-NAME . FUNCTION) used to fontify code regions.
+FILTER-NAME is a string and FUNCTION is a function which will be
+used to fontify the filter's indented code region.  FUNCTION will
+be passed the extents of that region in two arguments BEG and
+END.")
+
+(defun haml-highlight-filter (limit)
+  "Highlight any :filter region found in the text up to LIMIT."
+  (when (re-search-forward haml-filter-re limit t)
+    ;; fontify the filter name
+    (put-text-property (match-beginning 2) (1+ (match-end 2))
+                       'face font-lock-preprocessor-face)
+    (let ((filter-name (substring (match-string 2) 1))
+          (code-start (1+ (match-beginning 3)))
+          (code-end (match-end 3)))
+      (save-match-data
+        (funcall (or (cdr (assoc filter-name haml-fontify-filter-functions-alist))
+                     #'(lambda (beg end)
+                         (put-text-property beg end
+                                            'face
+                                            'font-lock-string-face)))
+                 code-start code-end))
+      (goto-char (match-end 0)))))
+
+(defconst haml-possibly-multiline-code-re
+  "\\(\\(?:.*?,[ \t]*\n\\)*.*\\)"
+  "Regexp to match trailing ruby code which may continue onto subsequent lines.")
+
+(defconst haml-ruby-script-re
+  (concat "^[ \t]*\\(-\\|[&!]?\\(?:=\\|~\\)\\)[^=]" haml-possibly-multiline-code-re)
+  "Regexp to match -, = or ~ blocks and any continued code lines.")
+
+(defun haml-highlight-ruby-script (limit)
+  "Highlight a Ruby script expression (-, =, or ~).
+LIMIT works as it does in `re-search-forward'."
+  (when (re-search-forward haml-ruby-script-re limit t)
+    (haml-fontify-region-as-ruby (match-beginning 2) (match-end 2))))
+
+(defun haml-move (re)
+  "Try matching and moving to the end of regular expression RE.
+Returns non-nil if the expression was sucessfully matched."
+  (when (looking-at re)
+    (goto-char (match-end 0))
+    t))
+
+(defun haml-highlight-ruby-tag (limit)
+  "Highlight Ruby code within a Haml tag.
+LIMIT works as it does in `re-search-forward'.
+
+This highlights the tag attributes and object refs of the tag,
+as well as the script expression (-, =, or ~) following the tag.
+
+For example, this will highlight all of the following:
+  %p{:foo => 'bar'}
+  %p[@bar]
+  %p= 'baz'
+  %p{:foo => 'bar'}[@bar]= 'baz'"
+  (when (re-search-forward "^[ \t]*[%.#]" limit t)
+    (forward-char -1)
+
+    ;; Highlight tag, classes, and ids
+    (while (haml-move "\\([.#%]\\)[a-z0-9_:\\-]*")
+      (put-text-property (match-beginning 0) (match-end 0) 'face
+                         (case (char-after (match-beginning 1))
+                           (?% font-lock-keyword-face)
+                           (?# font-lock-function-name-face)
+                           (?. font-lock-variable-name-face))))
+
+    (block loop
+      (while t
+        (let ((eol (save-excursion (end-of-line) (point))))
+          (case (char-after)
+            ;; Highlight obj refs
+            (?\[
+             (forward-char 1)
+             (let ((beg (point)))
+               (haml-limited-forward-sexp eol)
+               (haml-fontify-region-as-ruby beg (point))))
+            ;; Highlight new attr hashes
+            (?\(
+             (forward-char 1)
+             (while
+                 (and (haml-parse-new-attr-hash
+                       (lambda (type beg end)
+                         (case type
+                           (name (put-text-property beg end
+                                                    'face
+                                                    font-lock-constant-face))
+                           (value (haml-fontify-region-as-ruby beg end)))))
+                      (not (eobp)))
+               (forward-line 1)
+               (beginning-of-line)))
+            ;; Highlight old attr hashes
+            (?\{
+             (let ((beg (point)))
+               (haml-limited-forward-sexp eol)
+
+               ;; Check for multiline
+               (while (and (eolp) (eq (char-before) ?,) (not (eobp)))
+                 (forward-line)
+                 (let ((eol (save-excursion (end-of-line) (point))))
+                   ;; If no sexps are closed,
+                   ;; we're still continuing a  multiline hash
+                   (if (>= (car (parse-partial-sexp (point) eol)) 0)
+                       (end-of-line)
+                     ;; If sexps have been closed,
+                     ;; set the point at the end of the total sexp
+                     (goto-char beg)
+                     (haml-limited-forward-sexp eol))))
+
+               (haml-fontify-region-as-ruby (1+ beg) (point))))
+            (t (return-from loop))))))
+
+    ;; Move past end chars
+    (haml-move "[<>&!]+")
+    ;; Highlight script
+    (if (looking-at (concat "\\([=~]\\) " haml-possibly-multiline-code-re))
+        (haml-fontify-region-as-ruby (match-beginning 2) (match-end 2))
+      ;; Give font-lock something to highlight
+      (forward-char -1)
+      (looking-at "\\(\\)"))
+    t))
+
+(defun haml-highlight-interpolation (limit)
+  "Highlight Ruby interpolation (#{foo}).
+LIMIT works as it does in `re-search-forward'."
+  (when (re-search-forward "\\(#{\\)" limit t)
+    (save-match-data
+      (forward-char -1)
+      (let ((beg (point)))
+        (haml-limited-forward-sexp limit)
+        (haml-fontify-region-as-ruby (1+ beg) (point)))
+      (when (eq (char-before) ?\})
+        (put-text-property (1- (point)) (point)
+                           'face font-lock-variable-name-face))
+      t)))
+
+(defun haml-limited-forward-sexp (limit &optional arg)
+  "Move forward using `forward-sexp' or to LIMIT, whichever comes first.
+With ARG, do it that many times."
+  (let (forward-sexp-function)
+    (condition-case err
+        (save-restriction
+          (narrow-to-region (point) limit)
+          (forward-sexp arg))
+      (scan-error
+       (unless (equal (nth 1 err) "Unbalanced parentheses")
+         (signal 'scan-error (cdr err)))
+       (goto-char limit)))))
+
+(defun haml-find-containing-block (re)
+  "If point is inside a block matching RE, return (start . end) for the block."
+  (save-excursion
+    (let ((pos (point))
+          start end)
+      (beginning-of-line)
+      (when (and
+             (or (looking-at re)
+                 (when (re-search-backward re nil t)
+                   (looking-at re)))
+             (< pos (match-end 0)))
+        (setq start (match-beginning 0)
+              end (match-end 0)))
+      (when start
+        (cons start end)))))
+
+(defun haml-maybe-extend-region (extender)
+  "Maybe extend the font lock region using EXTENDER.
+With point at the beginning of the font lock region, EXTENDER is called.
+If it returns a (START . END) pair, those positions are used to possibly
+extend the font lock region."
+  (let ((old-beg font-lock-beg)
+        (old-end font-lock-end))
+    (save-excursion
+      (goto-char font-lock-beg)
+      (let ((new-bounds (funcall extender)))
+        (when new-bounds
+          (setq font-lock-beg (min font-lock-beg (car new-bounds))
+                font-lock-end (max font-lock-end (cdr new-bounds))))))
+    (or (/= old-beg font-lock-beg)
+        (/= old-end font-lock-end))))
+
+(defun haml-extend-region-nested-below ()
+  "Extend the font-lock region to any subsequent indented lines."
+  (haml-maybe-extend-region
+   (lambda ()
+     (beginning-of-line)
+     (when (looking-at (haml-nested-regexp "[^ \t].*"))
+       (cons (match-beginning 0) (match-end 0))))))
+
+(defun haml-extend-region-to-containing-block (re)
+  "Extend the font-lock region to the smallest containing block matching RE."
+  (haml-maybe-extend-region
+   (lambda ()
+     (haml-find-containing-block re))))
+
+(defun haml-extend-region-filter ()
+  "Extend the font-lock region to an enclosing filter."
+  (haml-extend-region-to-containing-block haml-filter-re))
+
+(defun haml-extend-region-comment ()
+  "Extend the font-lock region to an enclosing comment."
+  (haml-extend-region-to-containing-block haml-comment-re))
+
+(defun haml-extend-region-ruby-script ()
+  "Extend the font-lock region to encompass any current -/=/~ line."
+  (haml-extend-region-to-containing-block haml-ruby-script-re))
+
+(defun haml-extend-region-multiline-hashes ()
+  "Extend the font-lock region to encompass multiline attribute hashes."
+  (haml-maybe-extend-region
+   (lambda ()
+     (let ((attr-props (haml-parse-multiline-attr-hash))
+           multiline-end
+           start)
+       (when attr-props
+         (setq start (cdr (assq 'point attr-props)))
+
+         (end-of-line)
+         ;; Move through multiline attrs
+         (when (eq (char-before) ?,)
+           (save-excursion
+             (while (progn (end-of-line)
+                           (and (eq (char-before) ?,) (not (eobp))))
+               (forward-line))
+
+             (forward-line -1)
+             (end-of-line)
+             (setq multiline-end (point))))
+
+         (goto-char (+ (cdr (assq 'point attr-props))
+                       (cdr (assq 'hash-indent attr-props))
+                       -1))
+         (haml-limited-forward-sexp
+          (or multiline-end
+              (save-excursion (end-of-line) (point))))
+         (cons start (point)))))))
+
+(defun haml-extend-region-contextual ()
+  "Extend the font lock region piecemeal.
+
+The result of calling this function repeatedly until it returns
+nil is that (FONT-LOCK-BEG . FONT-LOCK-END) will be the smallest
+possible region in which font-locking could be affected by
+changes in the initial region."
+  (or
+   (haml-extend-region-filter)
+   (haml-extend-region-comment)
+   (haml-extend-region-ruby-script)
+   (haml-extend-region-multiline-hashes)
+   (haml-extend-region-nested-below)
+   (font-lock-extend-region-multiline)))
+
+
+;; Mode setup
+
+(defvar haml-mode-syntax-table
+  (let ((table (make-syntax-table)))
+    (modify-syntax-entry ?: "." table)
+    (modify-syntax-entry ?_ "w" table)
+    (modify-syntax-entry ?' "\"" table)
+    table)
+  "Syntax table in use in `haml-mode' buffers.")
+
+(defvar haml-mode-map
+  (let ((map (make-sparse-keymap)))
+    (define-key map [backspace] 'haml-electric-backspace)
+    (define-key map "\C-?" 'haml-electric-backspace)
+    (define-key map "\C-c\C-f" 'haml-forward-sexp)
+    (define-key map "\C-c\C-b" 'haml-backward-sexp)
+    (define-key map "\C-c\C-u" 'haml-up-list)
+    (define-key map "\C-c\C-d" 'haml-down-list)
+    (define-key map "\C-c\C-k" 'haml-kill-line-and-indent)
+    (define-key map "\C-c\C-r" 'haml-output-region)
+    (define-key map "\C-c\C-l" 'haml-output-buffer)
+    map))
+
+(defalias 'haml-parent-mode
+  (if (fboundp 'prog-mode) 'prog-mode 'fundamental-mode))
+
+;;;###autoload
+(define-derived-mode haml-mode haml-parent-mode "Haml"
+  "Major mode for editing Haml files.
+
+\\{haml-mode-map}"
+  (set-syntax-table haml-mode-syntax-table)
+  (setq font-lock-extend-region-functions '(haml-extend-region-contextual))
+  (set (make-local-variable 'jit-lock-contextually) t)
+  (set (make-local-variable 'font-lock-multiline) t)
+  (set (make-local-variable 'indent-line-function) 'haml-indent-line)
+  (set (make-local-variable 'indent-region-function) 'haml-indent-region)
+  (set (make-local-variable 'parse-sexp-lookup-properties) t)
+  (set (make-local-variable 'comment-start) "-#")
+  (setq font-lock-defaults '((haml-font-lock-keywords) t t))
+  (setq indent-tabs-mode nil))
+
+;; Useful functions
+
+(defun haml-comment-block ()
+  "Comment the current block of Haml code."
+  (interactive)
+  (save-excursion
+    (let ((indent (current-indentation)))
+      (back-to-indentation)
+      (insert "-#")
+      (newline)
+      (indent-to indent)
+      (beginning-of-line)
+      (haml-mark-sexp)
+      (haml-reindent-region-by haml-indent-offset))))
+
+(defun haml-uncomment-block ()
+  "Uncomment the current block of Haml code."
+  (interactive)
+  (save-excursion
+    (beginning-of-line)
+    (while (not (looking-at haml-comment-re))
+      (haml-up-list)
+      (beginning-of-line))
+    (haml-mark-sexp)
+    (kill-line 1)
+    (haml-reindent-region-by (- haml-indent-offset))))
+
+(defun haml-replace-region (start end)
+  "Replace the current block of Haml code with the HTML equivalent.
+Called from a program, START and END specify the region to indent."
+  (interactive "r")
+  (save-excursion
+    (goto-char end)
+    (setq end (point-marker))
+    (goto-char start)
+    (let ((ci (current-indentation)))
+      (while (re-search-forward "^ +" end t)
+        (replace-match (make-string (- (current-indentation) ci) ? ))))
+    (shell-command-on-region start end "haml" "haml-output" t)))
+
+(defun haml-output-region (start end)
+  "Displays the HTML output for the current block of Haml code.
+Called from a program, START and END specify the region to indent."
+  (interactive "r")
+  (kill-new (buffer-substring start end))
+  (with-temp-buffer
+    (yank)
+    (haml-indent-region (point-min) (point-max))
+    (shell-command-on-region (point-min) (point-max) "haml" "haml-output")))
+
+(defun haml-output-buffer ()
+  "Displays the HTML output for entire buffer."
+  (interactive)
+  (haml-output-region (point-min) (point-max)))
+
+;; Navigation
+
+(defun haml-forward-through-whitespace (&optional backward)
+  "Move the point forward through any whitespace.
+The point will move forward at least one line, until it reaches
+either the end of the buffer or a line with no whitespace.
+
+If BACKWARD is non-nil, move the point backward instead."
+  (let ((arg (if backward -1 1))
+        (endp (if backward 'bobp 'eobp)))
+    (loop do (forward-line arg)
+          while (and (not (funcall endp))
+                     (looking-at "^[ \t]*$")))))
+
+(defun haml-at-indent-p ()
+  "Return non-nil if the point is before any text on the line."
+  (let ((opoint (point)))
+    (save-excursion
+      (back-to-indentation)
+      (>= (point) opoint))))
+
+(defun haml-forward-sexp (&optional arg)
+  "Move forward across one nested expression.
+With ARG, do it that many times.  Negative arg -N means move
+backward across N balanced expressions.
+
+A sexp in Haml is defined as a line of Haml code as well as any
+lines nested beneath it."
+  (interactive "p")
+  (or arg (setq arg 1))
+  (if (and (< arg 0) (not (haml-at-indent-p)))
+      (back-to-indentation)
+    (while (/= arg 0)
+      (let ((indent (current-indentation)))
+        (loop do (haml-forward-through-whitespace (< arg 0))
+              while (and (not (eobp))
+                         (not (bobp))
+                         (> (current-indentation) indent)))
+        (unless (eobp)
+          (back-to-indentation))
+        (setq arg (+ arg (if (> arg 0) -1 1)))))))
+
+(defun haml-backward-sexp (&optional arg)
+  "Move backward across one nested expression.
+With ARG, do it that many times.  Negative arg -N means move
+forward across N balanced expressions.
+
+A sexp in Haml is defined as a line of Haml code as well as any
+lines nested beneath it."
+  (interactive "p")
+  (haml-forward-sexp (if arg (- arg) -1)))
+
+(defun haml-up-list (&optional arg)
+  "Move out of one level of nesting.
+With ARG, do this that many times."
+  (interactive "p")
+  (or arg (setq arg 1))
+  (while (> arg 0)
+    (let ((indent (current-indentation)))
+      (loop do (haml-forward-through-whitespace t)
+            while (and (not (bobp))
+                       (>= (current-indentation) indent)))
+      (setq arg (1- arg))))
+  (back-to-indentation))
+
+(defun haml-down-list (&optional arg)
+  "Move down one level of nesting.
+With ARG, do this that many times."
+  (interactive "p")
+  (or arg (setq arg 1))
+  (while (> arg 0)
+    (let ((indent (current-indentation)))
+      (haml-forward-through-whitespace)
+      (when (<= (current-indentation) indent)
+        (haml-forward-through-whitespace t)
+        (back-to-indentation)
+        (error "Nothing is nested beneath this line"))
+      (setq arg (1- arg))))
+  (back-to-indentation))
+
+(defun haml-mark-sexp ()
+  "Mark the next Haml block."
+  (let ((forward-sexp-function 'haml-forward-sexp))
+    (mark-sexp)))
+
+(defun haml-mark-sexp-but-not-next-line ()
+  "Mark the next Haml block, but not the next line.
+Put the mark at the end of the last line of the sexp rather than
+the first non-whitespace character of the next line."
+  (haml-mark-sexp)
+  (set-mark
+   (save-excursion
+     (goto-char (mark))
+     (unless (eobp)
+       (forward-line -1)
+       (end-of-line))
+     (point))))
+
+;; Indentation and electric keys
+
+(defvar haml-empty-elements
+  '("area" "base" "br" "col" "command" "embed" "hr" "img" "input"
+    "keygen" "link" "meta" "param" "source" "track" "wbr")
+  "A list of html elements which may not contain content.
+
+See http://www.w3.org/TR/html-markup/syntax.html.")
+
+(defun haml-unnestable-tag-p ()
+  "Return t if the current line is an empty element tag, or one with content."
+  (when (looking-at haml-tag-beg-re)
+    (save-excursion
+      (goto-char (match-end 0))
+      (or (string-match-p (concat "%" (regexp-opt haml-empty-elements) "\\b")
+                          (match-string 1))
+          (progn
+            (when (looking-at "[{(]")
+              (ignore-errors (forward-sexp)))
+            (looking-at "\\(?:=\\|==\\| \\)[[:blank:]]*[^[:blank:]\r\n]+"))))))
+
+(defun haml-indent-p ()
+  "Return t if the current line can have lines nested beneath it."
+  (let ((attr-props (haml-parse-multiline-attr-hash)))
+    (when attr-props
+      (return-from haml-indent-p
+        (if (haml-unclosed-attr-hash-p) (cdr (assq 'hash-indent attr-props))
+          (list (+ (cdr (assq 'indent attr-props)) haml-indent-offset) nil)))))
+  (unless (or (haml-unnestable-tag-p))
+    (loop for opener in haml-block-openers
+          if (looking-at opener) return t
+          finally return nil)))
+
+(defun* haml-parse-multiline-attr-hash ()
+  "Parses a multiline attribute hash, and returns
+an alist with the following keys:
+
+INDENT is the indentation of the line beginning the hash.
+
+HASH-INDENT is the indentation of the first character
+within the attribute hash.
+
+POINT is the character position at the beginning of the line
+beginning the hash."
+  (save-excursion
+    (while t
+      (beginning-of-line)
+      (if (looking-at (concat haml-tag-beg-re "\\([{(]\\)"))
+          (progn
+            (goto-char (1- (match-end 0)))
+            (haml-limited-forward-sexp (save-excursion (end-of-line) (point)))
+            (return-from haml-parse-multiline-attr-hash
+              (when (or (string-equal (match-string 1) "(") (eq (char-before) ?,))
+                `((indent . ,(current-indentation))
+                  (hash-indent . ,(- (match-end 0) (match-beginning 0)))
+                  (point . ,(match-beginning 0))))))
+        (when (bobp) (return-from haml-parse-multiline-attr-hash))
+        (forward-line -1)
+        (unless (haml-unclosed-attr-hash-p)
+          (return-from haml-parse-multiline-attr-hash))))))
+
+(defun* haml-unclosed-attr-hash-p ()
+  "Return t if this line has an unclosed attribute hash, new or old."
+  (save-excursion
+    (end-of-line)
+    (when (eq (char-before) ?,) (return-from haml-unclosed-attr-hash-p t))
+    (re-search-backward "(\\|^")
+    (haml-move "(")
+    (haml-parse-new-attr-hash)))
+
+(defun* haml-parse-new-attr-hash (&optional (fn (lambda (type beg end) ())))
+  "Parse a new-style attribute hash on this line, and returns
+t if it's not finished on the current line.
+
+FN should take three parameters: TYPE, BEG, and END.
+TYPE is the type of text parsed ('name or 'value)
+and BEG and END delimit that text in the buffer."
+  (let ((eol (save-excursion (end-of-line) (point))))
+    (while (not (haml-move ")"))
+      (haml-move "[ \t]*")
+      (unless (haml-move "[a-z0-9_:\\-]+")
+        (return-from haml-parse-new-attr-hash (haml-move "[ \t]*$")))
+      (funcall fn 'name (match-beginning 0) (match-end 0))
+      (haml-move "[ \t]*")
+      (when (haml-move "=")
+        (haml-move "[ \t]*")
+        (unless (looking-at "[\"'@a-z0-9]") (return-from haml-parse-new-attr-hash))
+        (let ((beg (point)))
+          (haml-limited-forward-sexp eol)
+          (funcall fn 'value beg (point)))
+        (haml-move "[ \t]*")))
+    nil))
+
+(defun haml-compute-indentation ()
+  "Calculate the maximum sensible indentation for the current line."
+  (save-excursion
+    (beginning-of-line)
+    (if (bobp) (list 0 nil)
+      (haml-forward-through-whitespace t)
+      (let ((indent (funcall haml-indent-function)))
+        (cond
+         ((consp indent) indent)
+         ((integerp indent) (list indent t))
+         (indent (list (+ (current-indentation) haml-indent-offset) nil))
+         (t (list (current-indentation) nil)))))))
+
+(defun haml-indent-region (start end)
+  "Indent each nonblank line in the region.
+This is done by indenting the first line based on
+`haml-compute-indentation' and preserving the relative
+indentation of the rest of the region.  START and END specify the
+region to indent.
+
+If this command is used multiple times in a row, it will cycle
+between possible indentations."
+  (save-excursion
+    (goto-char end)
+    (setq end (point-marker))
+    (goto-char start)
+    (let (this-line-column current-column
+          (next-line-column
+           (if (and (equal last-command this-command) (/= (current-indentation) 0))
+               (* (/ (1- (current-indentation)) haml-indent-offset) haml-indent-offset)
+             (car (haml-compute-indentation)))))
+      (while (< (point) end)
+        (setq this-line-column next-line-column
+              current-column (current-indentation))
+        ;; Delete whitespace chars at beginning of line
+        (delete-horizontal-space)
+        (unless (eolp)
+          (setq next-line-column (save-excursion
+                                   (loop do (forward-line 1)
+                                         while (and (not (eobp)) (looking-at "^[ \t]*$")))
+                                   (+ this-line-column
+                                      (- (current-indentation) current-column))))
+          ;; Don't indent an empty line
+          (unless (eolp) (indent-to this-line-column)))
+        (forward-line 1)))
+    (move-marker end nil)))
+
+(defun haml-indent-line ()
+  "Indent the current line.
+The first time this command is used, the line will be indented to the
+maximum sensible indentation.  Each immediately subsequent usage will
+back-dent the line by `haml-indent-offset' spaces.  On reaching column
+0, it will cycle back to the maximum sensible indentation."
+  (interactive "*")
+  (let ((ci (current-indentation))
+        (cc (current-column)))
+    (destructuring-bind (need strict) (haml-compute-indentation)
+      (save-excursion
+        (beginning-of-line)
+        (delete-horizontal-space)
+        (if (and (not strict) (equal last-command this-command) (/= ci 0))
+            (indent-to (* (/ (1- ci) haml-indent-offset) haml-indent-offset))
+          (indent-to need))))
+    (when (< (current-column) (current-indentation))
+      (forward-to-indentation 0))))
+
+(defun haml-reindent-region-by (n)
+  "Add N spaces to the beginning of each line in the region.
+If N is negative, will remove the spaces instead.  Assumes all
+lines in the region have indentation >= that of the first line."
+  (let* ((ci (current-indentation))
+         (indent-rx
+          (concat "^"
+                  (if indent-tabs-mode
+                      (concat (make-string (/ ci tab-width) ?\t)
+                              (make-string (mod ci tab-width) ?\t))
+                    (make-string ci ?\s)))))
+    (save-excursion
+      (while (re-search-forward indent-rx (mark) t)
+        (let ((ci (current-indentation)))
+          (delete-horizontal-space)
+          (beginning-of-line)
+          (indent-to (max 0 (+ ci n))))))))
+
+(defun haml-electric-backspace (arg)
+  "Delete characters or back-dent the current line.
+If invoked following only whitespace on a line, will back-dent
+the line and all nested lines to the immediately previous
+multiple of `haml-indent-offset' spaces.  With ARG, do it that
+many times.
+
+Set `haml-backspace-backdents-nesting' to nil to just back-dent
+the current line."
+  (interactive "*p")
+  (if (or (/= (current-indentation) (current-column))
+          (bolp)
+          (save-excursion
+            (beginning-of-line)
+            (looking-at "^[ \t]+$")))
+      (backward-delete-char arg)
+    (save-excursion
+      (beginning-of-line)
+      (unwind-protect
+          (progn
+            (if haml-backspace-backdents-nesting
+                (haml-mark-sexp-but-not-next-line)
+              (set-mark (save-excursion (end-of-line) (point))))
+            (haml-reindent-region-by (* (- arg) haml-indent-offset)))
+        (pop-mark)))
+    (back-to-indentation)))
+
+(defun haml-kill-line-and-indent ()
+  "Kill the current line, and re-indent all lines nested beneath it."
+  (interactive)
+  (beginning-of-line)
+  (haml-mark-sexp-but-not-next-line)
+  (kill-line 1)
+  (haml-reindent-region-by (* -1 haml-indent-offset)))
+
+(defun haml-indent-string ()
+  "Return the indentation string for `haml-indent-offset'."
+  (mapconcat 'identity (make-list haml-indent-offset " ") ""))
+
+;;;###autoload
+(add-to-list 'auto-mode-alist '("\\.haml\\'" . haml-mode))
+
+
+;; Local Variables:
+;; coding: utf-8
+;; byte-compile-warnings: (not cl-functions)
+;; eval: (checkdoc-minor-mode 1)
+;; End:
+
+(provide 'haml-mode)
+;;; haml-mode.el ends here