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scala-mode.el
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;;; scala-mode.el --- Major mode for editing Scala code.
;; Copyright (C) 2009 Scala Dev Team at EPFL
;; Authors: See AUTHORS file
;; Keywords: scala languages oop
;; Version: 0.5.99.5
;;; License
;; SCALA LICENSE
;;
;; Copyright (c) 2002-2010 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.
;;; Commentary:
;;
;;; Code:
(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/macros
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(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 (make-abbrev-table)
"Abbrev table in use in `scala-mode' buffers.")
(defvar scala-mode-syntax-table
(let ((table (make-syntax-table)))
;; strings and character literals
(modify-syntax-entry ?\" "\"" table)
(modify-syntax-entry ?\\ "\\" table)
;; different kinds of "parenthesis"
(modify-syntax-entry ?\( "()" table)
(modify-syntax-entry ?\[ "(]" table)
(modify-syntax-entry ?\{ "(}" table)
(modify-syntax-entry ?\) ")(" table)
(modify-syntax-entry ?\] ")[" table)
(modify-syntax-entry ?\} "){" table)
;; special characters
(modify-syntax-entry ?\_ "_" table)
(dolist (char scala-all-special-chars)
(modify-syntax-entry char "." table))
(modify-syntax-entry ?\. "." table)
;; comments
;; the `n' means that comments can be nested
(modify-syntax-entry ?\/ ". 124nb" table)
(modify-syntax-entry ?\* ". 23n" table)
(modify-syntax-entry ?\n "> bn" table)
(modify-syntax-entry ?\r "> bn" table)
table)
"Syntax table used in `scala-mode' buffers.")
;;;###autoload
(define-derived-mode scala-mode prog-mode "Scala"
"Major mode for editing Scala code.
\\{scala-mode-map}"
:group 'scala
(set (make-local-variable '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)))
(set (make-local-variable 'paragraph-separate) (concat "^\\s *$\\|" page-delimiter))
(set (make-local-variable 'paragraph-start) (concat "^\\s *$\\|" page-delimiter))
(set (make-local-variable 'paragraph-ignore-fill-prefix) t)
(set (make-local-variable 'require-final-newline) t)
(set (make-local-variable 'comment-start) "// ")
(set (make-local-variable 'comment-end) "")
(set (make-local-variable 'comment-start-skip) "/\\*+ *\\|//+ *")
(set (make-local-variable 'comment-end-skip) " *\\*+/\\| *")
(set (make-local-variable 'comment-column) 40)
;; (set (make-local-variable 'comment-indent-function) 'scala-comment-indent-function)
(set (make-local-variable 'indent-line-function) 'scala-indent-line)
(scala-mode-feature-install))
;;;###autoload
(add-to-list 'auto-mode-alist '("\\.scala\\'" . scala-mode))
;;;###autoload
(modify-coding-system-alist 'file "\\.scala$" 'utf-8)
(provide 'scala-mode)
;;; scala-mode.el ends here