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swift-mode.el
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swift-mode.el
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;;; swift-mode.el --- Major-mode for Apple's Swift programming language -*- lexical-binding: t -*-
;; Copyright (C) 2014-2021 taku0, Chris Barrett, Bozhidar Batsov,
;; Arthur Evstifeev
;; Author: taku0 <mxxouy6x3m_github@tatapa.org>
;; Chris Barrett <chris.d.barrett@me.com>
;; Bozhidar Batsov <bozhidar@batsov.com>
;; Arthur Evstifeev <lod@pisem.net>
;; Maintainer: taku0 <mxxouy6x3m_github@tatapa.org>
;;
;; Version: 9.1.0
;; Package-Requires: ((emacs "24.4") (seq "2.3"))
;; Keywords: languages swift
;; URL: https://github.com/swift-emacs/swift-mode
;; This file is not part of GNU Emacs.
;; 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:
;; Major-mode for Apple's Swift programming language.
;;; Code:
(require 'swift-mode-lexer)
(require 'swift-mode-indent)
(require 'swift-mode-fill)
(require 'swift-mode-font-lock)
(require 'swift-mode-beginning-of-defun)
(require 'swift-mode-repl)
(require 'swift-mode-imenu)
;;;###autoload
(defgroup swift nil
"Major-mode for Apple's Swift programming language."
:group 'languages
:prefix "swift-mode:")
;; WORKAROUND: `update-directory-autoloads' does not handle `:group'.
;; Fixed in 29.1 https://debbugs.gnu.org/cgi/bugreport.cgi?bug=58015.
;; commit: 212e94c3f445ebe1388f6fab134133ebad9316d0
;;;###autoload (custom-add-load 'languages 'swift-mode)
;; WORKAROUND: `cus-load' overrides `custom-loads'
;; Fixed in 29.1 https://debbugs.gnu.org/cgi/bugreport.cgi?bug=58015.
;; commit: 75b3f4d0ac00bf47459629615ab2246c8a34b4c6
;;;###autoload (with-eval-after-load 'cus-load
;;;###autoload (custom-add-load 'languages 'swift-mode))
;;; Keymap
(defvar swift-mode-map
(let ((map (make-sparse-keymap)))
(set-keymap-parent map prog-mode-map)
(define-key map [remap indent-new-comment-line]
#'swift-mode:indent-new-comment-line)
(define-key map (kbd "C-c C-z") #'swift-mode:run-repl)
(define-key map (kbd "C-c C-f") #'swift-mode:send-buffer)
(define-key map (kbd "C-c C-r") #'swift-mode:send-region)
(define-key map [remap beginning-of-defun] #'swift-mode:beginning-of-defun)
(define-key map [remap end-of-defun] #'swift-mode:end-of-defun)
(define-key map [remap mark-defun] #'swift-mode:mark-defun)
(define-key map [remap narrow-to-defun] #'swift-mode:narrow-to-defun)
(define-key map [remap backward-sentence] #'swift-mode:backward-sentence)
(define-key map [remap forward-sentence] #'swift-mode:forward-sentence)
(define-key map [remap kill-sentence] #'swift-mode:kill-sentence)
(define-key map [remap backward-kill-sentence]
#'swift-mode:backward-kill-sentence)
;; (define-key map (kbd "???") #'swift-mode:mark-sentence)
(define-key map [remap narrow-to-sentence] #'swift-mode:narrow-to-sentence)
(easy-menu-define swift-menu map "Swift Mode menu"
`("Swift"
:help "Swift-specific Features"
["Run REPL" swift-mode:run-repl
:help "Run Swift REPL"]
["Send buffer to REPL" swift-mode:send-buffer
:help "Send the current buffer's contents to the REPL"]
["Send region to REPL" swift-mode:send-region
:help "Send currently selected region to the REPL"]
["Build Swift module" swift-mode:build-swift-module
:help "Build current Swift module"]
["Build iOS app" swift-mode:build-ios-app
:help "Build current iOS app"]
["Debug Swift module" swift-mode:debug-swift-module
:help "Debug current Swift module"]
["Debug iOS app" swift-mode:debug-ios-app
:help "Debug current iOS app with simulator"]))
map)
"Swift mode key map.")
;;; `forward-sexp-function'
(defun swift-mode:forward-sexp (&optional arg)
"Move forward/backward a token or list.
See `forward-sexp for ARG."
(setq arg (or arg 1))
(when (swift-mode:chunk-after)
(goto-char (swift-mode:chunk:start (swift-mode:chunk-after))))
(if (< 0 arg)
(while (< 0 arg)
(while (eq (swift-mode:token:type (swift-mode:forward-sexp-1))
'implicit-\;))
(setq arg (1- arg))))
(while (< arg 0)
(while (eq (swift-mode:token:type (swift-mode:backward-sexp-1))
'implicit-\;))
(setq arg (1+ arg))))
(defun swift-mode:forward-sexp-1 ()
"Move forward a token or list.
Signal `scan-error' if it hits closing parentheses."
(let ((token (swift-mode:forward-token-or-list))
(pos (point)))
(when (memq (swift-mode:token:type token) '(\] \) }))
(goto-char pos)
(signal 'scan-error
(list "Unbalanced parentheses"
(swift-mode:token:start token)
(swift-mode:token:end token))))
token))
(defun swift-mode:backward-sexp-1 ()
"Move backward a token or list.
Signal `scan-error' if it hits opening parentheses."
(let ((token (swift-mode:backward-token-or-list))
(pos (point)))
(when (memq (swift-mode:token:type token) '(\[ \( {))
(goto-char pos)
(signal 'scan-error
(list "Unbalanced parentheses"
(swift-mode:token:start token)
(swift-mode:token:end token))))
token))
(declare-function speedbar-add-supported-extension "speedbar" (extension))
;;;###autoload
(defsubst swift-mode:add-supported-extension-for-speedbar ()
"Register .swift to speedbar."
;; FIXME: Use `with-eval-after-load' when `package-lint' allows it.
;; See also https://github.com/swift-emacs/swift-mode/pull/179
(if (fboundp 'speedbar-add-supported-extension)
(speedbar-add-supported-extension ".swift")
(add-hook 'speedbar-load-hook
(lambda ()
(speedbar-add-supported-extension ".swift")))))
;;;###autoload
(define-derived-mode swift-mode prog-mode "Swift"
"Major mode for editing Swift code.
\\{swift-mode-map}"
:syntax-table swift-mode:syntax-table
:group 'swift
(setq font-lock-defaults '(swift-mode:font-lock-keywords))
(setq-local comment-start "// ")
(setq-local comment-end "")
;; ":" is for Playground Rich Comments Markup Syntax:
;; https://developer.apple.com/library/prerelease/ios/documentation/Xcode/Reference/xcode_markup_formatting_ref/PlaygroundRichComments.html
(setq-local comment-start-skip
(concat
"\\s *"
"\\(?:"
;; Single-line comment
"//+" ":?" "\\|"
;; Multi-line comment
"/\\*+" ":?" "\\|"
;; Middle of multi-line-comment
"\\*+ "
"\\)"
"\\s *"))
(setq-local adaptive-fill-regexp
(concat
"\\s *"
"\\(?:"
;; Single-line comment
"//+" ":?" "\\|"
;; Middle of multi-line-comment
"\\*+ "
"\\)"
"\\s *"))
(setq-local fill-indent-according-to-mode t)
(setq-local comment-multi-line t)
(setq-local comment-line-break-function #'swift-mode:indent-new-comment-line)
(setq-local fill-paragraph-function #'swift-mode:fill-paragraph)
(setq-local fill-forward-paragraph-function
#'swift-mode:fill-forward-paragraph)
(setq-local normal-auto-fill-function #'swift-mode:do-auto-fill)
(swift-mode:install-fill-region-as-paragraph-advice)
(swift-mode:install-current-fill-column-advice)
(setq-local parse-sexp-lookup-properties t)
(add-hook 'syntax-propertize-extend-region-functions
#'swift-mode:syntax-propertize-extend-region
nil t)
(setq-local syntax-propertize-function #'swift-mode:syntax-propertize)
(setq-local indent-tabs-mode nil)
(setq-local indent-line-function #'swift-mode:indent-line)
(setq-local forward-sexp-function #'swift-mode:forward-sexp)
(setq-local electric-indent-chars
(append "{}()[]:;,." electric-indent-chars))
(add-hook 'post-self-insert-hook #'swift-mode:post-self-insert nil t)
(setq-local imenu-create-index-function #'swift-mode:imenu-create-index)
(setq-local beginning-of-defun-function #'swift-mode:beginning-of-defun)
(setq-local end-of-defun-function #'swift-mode:end-of-defun)
(setq-local swift-mode:anchor-overlay
(make-overlay (point-min) (point-min) nil t))
(delete-overlay swift-mode:anchor-overlay)
(add-hook 'which-func-functions
(lambda ()
(when (equal (with-current-buffer (current-buffer) major-mode)
'swift-mode)
(swift-mode:current-defun-name))))
(setq-local add-log-current-defun-function #'swift-mode:current-defun-name))
;;;###autoload (add-to-list 'auto-mode-alist
;;;###autoload '("\\.swift\\(interface\\)?\\'" . swift-mode))
;;;###autoload (swift-mode:add-supported-extension-for-speedbar)
(provide 'swift-mode)
;;; swift-mode.el ends here