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scala-mode.el
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scala-mode.el
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;;; scala-mode.el --- Major mode for editing Scala code.
;; Copyright (C) 2009-2011 Scala Dev Team at EPFL
;; Authors: See AUTHORS file
;; Keywords: scala languages oop
;;; License
;; SCALA LICENSE
;;
;; Copyright (c) 2002-2011 EPFL, Lausanne, unless otherwise specified.
;; All rights reserved.
;;
;; This software was developed by the Programming Methods Laboratory of the
;; Swiss Federal Institute of Technology (EPFL), Lausanne, Switzerland.
;;
;; Permission to use, copy, modify, and distribute this software in source
;; or binary form for any purpose with or without fee is hereby granted,
;; provided that the following conditions are met:
;;
;; 1. Redistributions of source code must retain the above copyright
;; notice, this list of conditions and the following disclaimer.
;;
;; 2. Redistributions in binary form must reproduce the above copyright
;; notice, this list of conditions and the following disclaimer in the
;; documentation and/or other materials provided with the distribution.
;;
;; 3. Neither the name of the EPFL nor the names of its contributors
;; may be used to endorse or promote products derived from this
;; software without specific prior written permission.
;;
;;
;; THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
;; ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
;; IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
;; ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
;; FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
;; DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
;; SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
;; CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
;; LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
;; OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
;; SUCH DAMAGE.
;;; Code
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(provide 'scala-mode)
(require 'cl)
(require 'scala-mode-constants)
(require 'scala-mode-variables)
(require 'scala-mode-lib)
(require 'scala-mode-navigation)
(require 'scala-mode-indent)
(require 'scala-mode-fontlock)
(require 'scala-mode-ui)
(require 'scala-mode-feature)
;;; Customization and Variables
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(defgroup scala nil
"Mode for editing Scala code."
:group 'languages)
(defcustom scala-mode:api-url "http://www.scala-lang.org/docu/files/api/index.html"
"URL to the online Scala documentation"
:type 'string
:group 'scala)
(defconst scala-mode-version "0.5.99.5")
(defconst scala-mode-svn-revision "$Revision: 21917 $")
(defconst scala-bug-e-mail "scala@listes.epfl.ch")
(defconst scala-web-url "http://scala-lang.org/")
;;; Helper functions/macroes
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(defun scala-mode:browse-web-site ()
"Browse the Scala home-page"
(interactive)
(require 'browse-url)
(browse-url scala-web-url))
(defun scala-mode:browse-api ()
"Browse the Scala API"
(interactive)
(require 'browse-url)
(browse-url scala-mode:api-url))
(defun scala-mode:report-bug ()
"Report a bug to the author of the Scala mode via e-mail.
The package used to edit and send the e-mail is the one selected
through `mail-user-agent'."
(interactive)
(require 'reporter)
(let ((reporter-prompt-for-summary-p t))
(reporter-submit-bug-report
scala-bug-e-mail
(concat "Emacs Scala mode v" scala-mode-version)
'(scala-indent-step))))
(defvar scala-mode-abbrev-table nil
"Abbrev table in use in `scala-mode' buffers.")
(define-abbrev-table 'scala-mode-abbrev-table nil)
(defvar scala-mode-syntax-table nil
"Syntax table used in `scala-mode' buffers.")
(when (not scala-mode-syntax-table)
(setq scala-mode-syntax-table (make-syntax-table))
;; strings and character literals
(modify-syntax-entry ?\" "\"" scala-mode-syntax-table)
(modify-syntax-entry ?\\ "\\" scala-mode-syntax-table)
;; different kinds of "parenthesis"
(modify-syntax-entry ?\( "()" scala-mode-syntax-table)
(modify-syntax-entry ?\[ "(]" scala-mode-syntax-table)
(modify-syntax-entry ?\{ "(}" scala-mode-syntax-table)
(modify-syntax-entry ?\) ")(" scala-mode-syntax-table)
(modify-syntax-entry ?\] ")[" scala-mode-syntax-table)
(modify-syntax-entry ?\} "){" scala-mode-syntax-table)
;; special characters
(modify-syntax-entry ?\_ "_" scala-mode-syntax-table)
(dolist (char scala-all-special-chars)
(modify-syntax-entry char "." scala-mode-syntax-table))
(modify-syntax-entry ?\. "." scala-mode-syntax-table)
;; comments
;; the `n' means that comments can be nested
(modify-syntax-entry ?\/ ". 124b" scala-mode-syntax-table)
(modify-syntax-entry ?\* ". 23n" scala-mode-syntax-table)
(modify-syntax-entry ?\n "> b" scala-mode-syntax-table)
(modify-syntax-entry ?\r "> b" scala-mode-syntax-table))
;;; Mode
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; For compatibility with Emacs < 24
(defalias 'scala-parent-mode
(if (fboundp 'prog-mode) 'prog-mode 'fundamental-mode))
;;;###autoload
(define-derived-mode scala-mode scala-parent-mode "Scala"
"Major mode for editing Scala code.
When started, run `scala-mode-hook'.
\\{scala-mode-map}"
;; set up local variables
(make-local-variable 'font-lock-defaults)
(make-local-variable 'paragraph-separate)
(make-local-variable 'paragraph-start)
(make-local-variable 'paragraph-ignore-fill-prefix)
(make-local-variable 'require-final-newline)
(make-local-variable 'comment-start)
(make-local-variable 'comment-end)
(make-local-variable 'comment-start-skip)
(make-local-variable 'comment-end-skip)
(make-local-variable 'comment-column)
;(make-local-variable 'comment-indent-function)
(make-local-variable 'indent-line-function)
;;
(setq
font-lock-defaults '(scala-font-lock-keywords
nil
nil
((?\_ . "w"))
nil
(font-lock-syntactic-keywords . scala-font-lock-syntactic-keywords)
(parse-sexp-lookup-properties . t))
paragraph-separate (concat scala-empty-line-re "\\|" page-delimiter)
paragraph-start (concat scala-empty-line-re "\\|" page-delimiter)
paragraph-ignore-fill-prefix t
require-final-newline t
comment-start "// "
comment-end ""
comment-start-skip "/\\*+ *\\|//+ *"
comment-end-skip " *\\*+/\\| *"
comment-column 40
; comment-indent-function 'scala-comment-indent-function
indent-line-function 'scala-indent-line
)
use-local-map scala-mode
(turn-on-font-lock)
(scala-mode-feature-install)
)
(progn (define-key scala-mode-map "\C-c\C-i" 'scala-run-scala)
(define-key scala-mode-map "\C-c\C-r" 'scala-eval-region)
(define-key scala-mode-map "\C-c\C-c" 'scala-eval-block)
(define-key scala-mode-map "\C-c\C-j" 'scala-eval-line)
(define-key scala-mode-map "\C-c\C-b" 'scala-eval-buffer)
(define-key scala-mode-map "\C-c\C-d" 'scala-eval-definition)
(define-key scala-mode-map "\C-c\C-z" 'scala-switch-to-interpreter))
(progn
(add-to-list 'auto-mode-alist
'("\\.\\(scala\\|sbt\\|spark\\)\\'" . scala-mode))
(modify-coding-system-alist 'file "\\.\\(scala\\|sbt\\|spark\\)\\'" 'utf-8))
;; Local Variables:
;; mode: emacs-lisp
;; End:
;;; scala-mode.el ends here