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ponylang-mode.el
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ponylang-mode.el
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;;; ponylang-mode.el --- A major mode for the Pony programming language
;;
;; Authors: Sean T Allen <[email protected]>
;; Version: 0.6.0
;; URL: https://github.com/ponylang/ponylang-mode
;; Keywords: languages programming
;; Package-Requires: ((emacs "25.1") (dash "2.17.0") (hydra "0.15.0") (hl-todo "3.1.2") (yafolding "0.4.1") (yasnippet "0.14.0") (company-ctags "0.0.4") (rainbow-delimiters "2.1.4") (fill-column-indicator "1.90"))
;;
;; This file is not part of GNU Emacs.
;;
;; Copyright (c) 2015 Austin Bingham
;; Copyright (c) 2016 Sean T. Allen
;; Copyright (c) 2020 Damon Kwok
;; Copyright (c) 2021 The Pony Developers
;;
;;; Commentary:
;;
;; Description:
;;
;; This is a major mode for the Pony programming language
;;
;; For more details, see the project page at
;; https://github.com/ponylang/ponylang-mode
;;
;; Installation:
;;
;; The simple way is to use package.el:
;;
;; M-x package-install ponylang-mode
;;
;; Or, copy ponylang-mode.el to some location in your Emacs load
;; path. Then add "(require 'ponylang-mode)" to your Emacs initialization
;; (.emacs, init.el, or something).
;;
;; Example config:
;;
;; (require 'ponylang-mode)
;;
;;; License:
;;
;; Permission is hereby granted, free of charge, to any person
;; obtaining a copy of this software and associated documentation
;; files (the "Software"), to deal in the Software without
;; restriction, including without limitation the rights to use, copy,
;; modify, merge, publish, distribute, sublicense, and/or sell copies
;; of the Software, and to permit persons to whom the Software is
;; furnished to do so, subject to the following conditions:
;;
;; The above copyright notice and this permission notice shall be
;; included in all copies or substantial portions of the Software.
;;
;; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
;; EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
;; MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
;; NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
;; BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
;; ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
;; CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
;; SOFTWARE.
;;; Code:
(require 'cl-lib)
(require 'dash)
(require 'xref)
(require 'hydra)
(require 'imenu)
(require 'hl-todo)
(require 'easymenu)
(require 'yafolding)
(require 'yasnippet)
(require 'whitespace)
(require 'rainbow-delimiters)
(require 'fill-column-indicator)
(defvar ponylang-mode-hook nil)
;; TODO: I don't like having to mention yas-* here, but that's how
;; e.g. python does it. It seems like there should be more general way
;; to detect "repeated tab presses".
(defcustom ponylang-indent-trigger-commands
;
'(indent-for-tab-command yas-expand yas/expand)
"Commands that might trigger a `ponylang-indent-line' call."
:type '(repeat symbol)
:group 'ponylang)
(defcustom ponylang-share-url-format "https://playground.ponylang.io/?code=%s"
"Format string to use when submitting code to the share."
:type 'string
:group 'ponylang)
(defcustom ponylang-skip-ctags nil
"Switch to disable TAGS file generation on file save."
:type 'boolean
:group 'ponylang)
(defcustom ponylang-shortener-url-format
"https://is.gd/create.php?format=simple&url=%s"
"Format string to use for creating the shortened link of a share submission."
:type 'string
:group 'ponylang)
(defconst ponylang-mode-syntax-table
(let ((table (make-syntax-table)))
;; fontify " using ponylang-keywords
;; / is punctuation, but // is a comment starter
(modify-syntax-entry ?/ ". 124" table)
;; /* */ comments, which can be nested
(modify-syntax-entry ?* ". 23bn" table)
;; \n is a comment ender
(modify-syntax-entry ?\n ">" table)
;; string
(modify-syntax-entry ?\" "\"" table)
;; Don't treat underscores as whitespace
(modify-syntax-entry ?_ "w" table) table))
(defun ponylang-mode-syntactic-face-function (STATE)
"Function to determine which face to use when fontifying syntactically.
The function is called with a single parameter (the STATE as returned by
`parse-partial-sexp' at the beginning of the region to highlight) and
should return a face. This is normally set via `font-lock-defaults'."
(if (nth 3 STATE) ;
(save-excursion ;
(goto-char (nth 8 STATE))
(beginning-of-line)
(while (and (not (bobp))
(looking-at "^$?[ \t]*?$?\"?*$"))
(forward-line -1))
(beginning-of-line)
(if (or (and (bobp)
(looking-at "^$?[ \t]*?\"*$"))
(looking-at ".*=>$?[ \t]*?$")
(looking-at
"^[ \t]*\\(use\\|class\\|actor\\|primitive\\|struct\\|trait\\|interface\\|type\\|fun\\|be\\|new\\)")) ;
'font-lock-doc-face ;
'font-lock-string-face)) ;
'font-lock-comment-face))
(defun ponylang-comment-or-uncomment-region-or-line ()
"Comments or uncomments the region or the current line if there's no active region."
(interactive)
(let (beg end)
(if (region-active-p)
(setq beg (region-beginning) end (region-end))
(setq beg (line-beginning-position) end (line-end-position)))
(comment-or-uncomment-region beg end)
(next-line)))
(defvar ponylang-mode-map
(let ((map (make-keymap)))
(define-key map "\C-j" #'newline-and-indent)
(define-key map (kbd "<C-return>") #'yafolding-toggle-element)
(define-key map "\M-;" #'ponylang-comment-or-uncomment-region-or-line)
(define-key map (kbd "C-c C-f") #'ponylang-format-buffer) ;
map)
"Keymap for Pony major mode.")
(defvar ponylang--indent-cycle-direction 'left)
;;;###autoload
(add-to-list 'auto-mode-alist '("\\.pony\\'" . ponylang-mode))
(defconst ponylang-capabilities '("box" "iso" "ref" "tag" "trn" "val")
"Pony capability markers.")
(defconst ponylang-keywords
'("__loc" "actor" "addressof" "and" "as" ;
"be" "break" ;
"class" "compile_error" "compile_intrinsic" ;
"consume" "continue" ;
"digestof" "do" ;
"else" "elseif" "embed" "end" "error" ;
"for" "fun" "if" ;
"ifdef" "iftype" "in" "interface" "is" "isnt" ;
"let" ;
"match" ;
"new" "not" ;
"object" "or" ;
"primitive" ;
"recover" "repeat" "return" ;
"struct" ;
"then" "this" "trait" "try" "type" ;
"until" ;
"use" ;
"var" ;
"where" "while" "with" ;
"xor")
"Pony language keywords.")
(defconst ponylang-indent-start-keywords
'("actor" ;
"be" ;
"class" ;
"else" "elseif" ;
"for" "fun" ;
"if" "ifdef" "interface" ;
"new" ;
"primitive" ;
"recover" "ref" "repeat" ;
"struct" ;
"tag" "then" "trait" "try" ;
"until" ;
"while" "with")
"Pony keywords which indicate a new indentation level.")
(defconst ponylang-declaration-keywords
'("type" "class" "actor" "primitive" "struct" "trait" "interface" ;
"fun" "be" ;
"let" "var" "embed")
"Pony declaration keywords.")
(defconst ponylang-careful-keywords
'("use" ;
"addressof" ;
"continue" "break" "return" ;
"new" "object" "consume" "recover" "try" ;
"_init" "_final" ;
"is" "isnt" "as" ;
"error" "compile_error" "compile_intrinsic")
"Pony language careful keywords.")
(defconst ponylang-common-functions '("apply" "update" "string" "size" "hash")
"Pony language common functions.")
(defconst ponylang-operator-functions
'("and" "op_and" "or" "op_or" "xor" "op_xor" ;
;;
"add" "sub""mul" "div""rem" "mod" ;
"shl" "shr" ;
"eq" "ne" "lt" "le" "ge" "gt" ;
;;
"gt_unsafe" "lt_unsafe" "le_unsafe" "ge_unsafe" ;
"add_unsafe" "sub_unsafe" ;
"mul_unsafe" "div_unsafe" ;
"rem_unsafe" "mod_unsafe" ;
"shl_unsafe" "shr_unsafe" ;
"eq_unsafe" "ne_unsafe" ;
;;
"add_partial" "sub_partial" ;
"mul_partial" "div_partial" ;
"rem_partial" "mod_partial")
"Pony language operators functions.")
(defconst ponylang-constants '("false" "true" "this" "None")
"Common constants.")
;; create the regex string for each class of keywords
(defconst ponylang-keywords-regexp
(regexp-opt (append ponylang-keywords ponylang-capabilities) 'words)
"Regular expression for matching keywords.")
(defconst ponylang-constant-regexp ;;
(regexp-opt ponylang-constants 'words)
"Regular expression for matching common constants.")
(defconst ponylang-capabilities-regexp ;;
(regexp-opt ponylang-capabilities 'words)
"Regular expression for matching capabilities.")
(defconst ponylang-careful-keywords-regexp
(regexp-opt ponylang-careful-keywords 'words)
"Regular expression for matching careful keywords.")
(defconst ponylang-declaration-keywords-regexp
(regexp-opt ponylang-declaration-keywords 'words)
"Regular expression for matching declaration keywords.")
(defconst ponylang-operator-functions-regexp
(regexp-opt ponylang-operator-functions 'words)
"Regular expression for matching operator functions.")
(defconst ponylang-common-functions-regexp
(regexp-opt ponylang-common-functions 'words)
"Regular expression for matching common functions.")
;; (setq ponylang-event-regexp (regexp-opt ponylang-events 'words))
;; (setq ponylang-functions-regexp (regexp-opt ponylang-functions 'words))
(defconst ponylang-font-lock-keywords
`(
;; careful
(,ponylang-careful-keywords-regexp . font-lock-warning-face)
;; declaration
(,ponylang-declaration-keywords-regexp . font-lock-preprocessor-face)
;; delimiter: modifier
("\\(->\\|=>\\|\\.>\\|:>\\||\\|&\\)" 1 'font-lock-keyword-face)
;; delimiter: . , ; separate
("\\($?[.,;]+\\)" 1 'font-lock-comment-delimiter-face)
;; delimiter: operator symbols
;; ("\\($?[+-/*//%~^!=<>]+\\)$?,?" 1 'font-lock-negation-char-face)
("\\($?[+-/*//%~=<>]+\\)$?,?" 1 'font-lock-negation-char-face)
("\\($?[?^!]+\\)" 1 'font-lock-warning-face)
;; delimiter: = : separate
("[^+-/*//%~^!=<>]\\([=:]\\)[^+-/*//%~^!=<>]" 1
'font-lock-comment-delimiter-face)
;; delimiter: brackets
("\\(\\[\\|\\]\\|[()]\\)" 1 'font-lock-comment-delimiter-face)
;; delimiter: lambda
("\\($?[{}]+\\)" 1 'font-lock-function-name-face)
;; common methods
(,ponylang-common-functions-regexp . font-lock-builtin-face)
;; operator methods
(,ponylang-operator-functions-regexp . font-lock-builtin-face)
;; capabilities
(,ponylang-capabilities-regexp . font-lock-builtin-face)
;; capability constraints
("#\\(?:read\\|send\\|share\\|any\\|alias\\)" . 'font-lock-builtin-face)
;; variable definitions
("\\(?:object\\|let\\|var\\|embed\\|for\\)\\s +\\([^ \t\r\n,:;=)]+\\)" 1
'font-lock-variable-name-face)
;; method definitions
("\\(?:new\\|fun\\|be\\)\s+\\(?:\\(?:box\\|iso\\|ref\\|tag\\|trn\\|val\\)\s+\\)?\\($?[a-z_][A-Za-z0-9_]*\\)"
1 'font-lock-function-name-face)
;; type definitions
("\\(?:class\\|actor\\|primitive\\|struct\\|trait\\|interface\\|type\\)\s+\\($?_?[A-Z][A-Za-z0-9_]*\\)"
1 'font-lock-type-face)
;; type references: first filter
("[:,|&[]$?[ \t]*\\($?_?[A-Z][A-Za-z0-9_]*\\)" 1 'font-lock-type-face)
;; constants references
(,ponylang-constant-regexp . font-lock-constant-face)
;; type references: second filter
("\\(\s\\|\\.\\|->\\|[\[]\\|[\(]\\|=\\)\\($?_?[A-Z][A-Za-z0-9_]*\\)" 2
'font-lock-type-face)
;; ffi
("@[A-Za-z_]*[A-Z-a-z0-9_]*" . 'font-lock-builtin-face)
;; method references
("\\([a-z_]$?[a-z0-9_]?+\\)$?[ \t]?(+" 1 'font-lock-function-name-face)
;; parameter
("\\(?:(\\|,\\)\\([a-z_][a-z0-9_']*\\)\\([^ \t\r\n,:)]*\\)" 1
'font-lock-variable-name-face)
("\\(?:(\\|,\\)[ \t]+\\([a-z_][a-z0-9_']*\\)\\([^ \t\r\n,:)]*\\)" 1
'font-lock-variable-name-face)
;; tuple references
("[.]$?[ \t]?\\($?_[1-9]$?[0-9]?*\\)" 1 'font-lock-variable-name-face)
;;(,ponylang-event-regexp . font-lock-builtin-face)
;;(,ponylang-functions-regexp . font-lock-function-name-face)
;; keywords
(,ponylang-keywords-regexp . font-lock-keyword-face)
;; character literals
("\\('[\\].'\\)" 1 'font-lock-constant-face)
;; numeric literals
("[ \t/+-/*//=><([,;]\\([0-9]+[0-9a-zA-Z_]*\\)+" 1
'font-lock-constant-face)
;; variable references
("\\([a-z_]+[a-z0-9_']*\\)+" 1 'font-lock-variable-name-face)
;; note: order above matters. “ponylang-keywords-regexp” goes last because
;; otherwise the keyword “state” in the function “state_entry”
;; would be highlighted.
)
"An alist mapping regexes to font-lock faces.")
;; Indentation
(defun ponylang--looking-at-indent-start ()
"Determines if the current position is 'looking at' a keyword that start new indentation."
(-any? (lambda (k)
(looking-at (concat "^[ \t]*" k "\\($\\|[ \t]\\)")))
ponylang-indent-start-keywords))
(defun ponylang--looking-at-indent-declare ()
"Determines if the current position is 'looking at' a keyword that declaration new indentation."
(-any? (lambda (k)
(looking-at (concat ".*" k ".*[:,|&][ \t]*$")))
ponylang-declaration-keywords))
(defun ponylang-syntactic-indent-line ()
"Indent current line as pony code based on language syntax and the current context."
(beginning-of-line)
(let ((cur-indent (current-indentation)))
(cond ((bobp)
(setq cur-indent 0))
((looking-at "^[ \t]*\\(//\\|/\\*\\)")
(setq cur-indent (current-indentation)))
((looking-at
"^[ \t]*\\(use\\|class\\|actor\\|primitive\\|struct\\|trait\\|interface\\|type\\)[
\t]*.*$")
(setq cur-indent 0))
((looking-at "^[ \t]*\\(fun\\|be\\|new\\|=>\\)[ \t]*.*$")
(setq cur-indent tab-width))
((looking-at "^.*\\(\"\\)[ \t]*$")
(setq cur-indent (current-indentation)))
((looking-at
"^[ \t]*\\(|\\|end\\|else\\|elseif\\|do\\|then\\|until\\)[ \t]*.*$")
(progn (save-excursion ;;
(forward-line -1)
(if (looking-at ".*[ \t]*\\(|\\|match\\).*$")
(setq cur-indent (current-indentation))
(setq cur-indent (max 0 (- (current-indentation)
tab-width)))))))
(t ;
(save-excursion ;
(let ((keep-looking t))
(while keep-looking
(setq keep-looking nil)
(forward-line -1)
(cond
;; if the previous line ends in `end', keep indent
((looking-at ".*\\(end\\)[ \t]*$")
(setq cur-indent (current-indentation)))
;; if the previous line ends in = or =>, indent one level
((looking-at ".*\\(=>\\|=\\|recover\\)[ \t]*$")
(setq cur-indent (+ (current-indentation) tab-width)))
((ponylang--looking-at-indent-declare)
(setq cur-indent (+ (current-indentation) tab-width)))
((ponylang--looking-at-indent-start)
(setq cur-indent (+ (current-indentation) tab-width)))
;; if the previous line is all empty space, keep the current indentation
((not (looking-at "^[ \t]*$"))
(setq cur-indent (current-indentation)))
;; if it's the beginning of the buffer, indent to zero
((bobp)
(setq cur-indent 0))
(t
(setq keep-looking t))))))))
(indent-line-to cur-indent)))
(defun ponylang-cycle-indentation ()
"Ponylang cycle indentation."
(if (eq (current-indentation) 0)
(setq ponylang--indent-cycle-direction 'right))
(if (eq ponylang--indent-cycle-direction 'left)
(indent-line-to (max 0 (- (current-indentation) tab-width)))
(indent-line-to (+ (current-indentation) tab-width))))
(defun ponylang-indent-line ()
"Indent the current line based either on syntax or repeated use of the TAB key."
(interactive)
(let ((repeated-indent (memq last-command ponylang-indent-trigger-commands)))
(if repeated-indent (ponylang-cycle-indentation)
(progn
(setq ponylang--indent-cycle-direction 'left)
(ponylang-syntactic-indent-line)))))
(defalias 'ponylang-parent-mode
;
(if (fboundp 'prog-mode) 'prog-mode 'fundamental-mode))
(defun ponylang-stringify-triple-quote ()
"Put `syntax-table' property on triple-quoted strings."
(let* ((string-end-pos (point))
(string-start-pos (- string-end-pos 3))
(ppss (prog2 (backward-char 3)
(syntax-ppss)
(forward-char 3))))
(unless (nth 4 (syntax-ppss)) ;; not inside comment
(if (nth 8 (syntax-ppss))
;; We're in a string, so this must be the closing triple-quote.
;; Put | on the last " character.
(put-text-property (1- string-end-pos) string-end-pos ;
'syntax-table (string-to-syntax "|"))
;; We're not in a string, so this is the opening triple-quote.
;; Put | on the first " character.
(put-text-property string-start-pos (1+ string-start-pos) ;
'syntax-table (string-to-syntax "|"))))))
(defconst ponylang-syntax-propertize-function
(syntax-propertize-rules ("\"\"\"" ; A triple quoted string
(0 (ignore (ponylang-stringify-triple-quote))))))
(defun ponylang-project-root-p (PATH)
"Return t if directory `PATH' is the root of the Pony project."
(let* ((files '("corral.json" "lock.json" "Makefile" ;
"Dockerfile" ".editorconfig" ".gitignore"))
(foundp nil))
(while (and files
(not foundp))
(let* ((filename (car files))
(filepath (concat (file-name-as-directory PATH) filename)))
(setq files (cdr files))
(setq foundp (file-exists-p filepath)))) ;
foundp))
(defun ponylang-project-root
(&optional
PATH)
"Return the root of the pony project.
Optional argument PATH ."
(let* ((bufdir (if buffer-file-name ;
(file-name-directory buffer-file-name) default-directory))
(curdir (if PATH (file-name-as-directory PATH) bufdir))
(parent (file-name-directory (directory-file-name curdir))))
(if (or (not parent)
(string= parent curdir)
(string= parent "/")
(ponylang-project-root-p curdir)) ;
curdir ;
(ponylang-project-root parent))))
(defun ponylang-project-name ()
"Return pony project name."
(file-name-base (directory-file-name (ponylang-project-root))))
(defun ponylang-project-file-exists-p (FILENAME)
"Return t if file `FILENAME' exists."
(file-exists-p (concat (ponylang-project-root) FILENAME)))
(defun ponylang-run-command (COMMAND &optional PATH)
"Return `COMMAND' in the root of the pony project.
Optional argument PATH ."
(setq default-directory (if PATH PATH (ponylang-project-root PATH)))
(compile COMMAND))
(defun ponylang-buffer-dirname ()
"Return current buffer directory file name."
(directory-file-name (if buffer-file-name (file-name-directory
buffer-file-name)
default-directory)))
(defun ponylang-project-build ()
"Build project with ponyc."
(interactive)
(if (ponylang-project-file-exists-p "Makefile")
(ponylang-run-command "make")
(if (ponylang-project-file-exists-p "corral.json")
(ponylang-run-command "corral run -- ponyc --debug")
(ponylang-run-command "ponyc"))))
(defun ponylang-project-run ()
"Run project."
(interactive)
(if (ponylang-project-file-exists-p "Makefile")
(ponylang-run-command "make run")
(let* ((bin1 (concat (ponylang-project-root) "bin/"
(ponylang-project-name)))
(bin2 (concat (ponylang-project-root) "/" (ponylang-project-name)))
(bin3 (concat (ponylang-buffer-dirname) "/"
(ponylang-project-name))))
(if (file-exists-p bin1)
(ponylang-run-command bin1)
(if (file-exists-p bin2)
(ponylang-run-command bin2)
(if (file-exists-p bin3)
(ponylang-run-command bin3)))))))
(defun ponylang-project-clean ()
"Clean project."
(interactive)
(if (ponylang-project-file-exists-p "Makefile")
(ponylang-run-command "make clean")
(let* ((bin1 (concat (ponylang-project-root) "bin/"
(ponylang-project-name)))
(bin2 (concat (ponylang-project-root) "/" (ponylang-project-name)))
(bin3 (concat (ponylang-buffer-dirname) "/"
(ponylang-project-name))))
(if (file-exists-p bin1)
(delete-file bin1))
(if (file-exists-p bin2)
(delete-file bin2))
(if (file-exists-p bin3)
(delete-file bin3)))))
(defun ponylang-corral-init ()
"Run corral `init' command."
(interactive)
(unless (ponylang-project-file-exists-p "corral.json")
(ponylang-run-command "corral init")))
(defun ponylang-corral-fetch ()
"Run corral `fetch' command."
(interactive)
(if (ponylang-project-file-exists-p "corral.json")
(ponylang-run-command "corral fetch")))
(defun ponylang-corral-update ()
"Run corral `update' command."
(interactive)
(if (ponylang-project-file-exists-p "corral.json")
(ponylang-run-command "corral update")))
(defun ponylang-corral-open ()
"Open `corral.json' file."
(interactive)
(if (ponylang-project-file-exists-p "corral.json")
(find-file (concat (ponylang-project-root) "corral.json"))))
(defun ponylang-share-region (begin end)
"Create a shareable URL for the region from BEGIN to END on the Pony `playground'."
(interactive "r")
(let* ((data
(buffer-substring
begin
end))
(escaped-data (url-hexify-string data))
(escaped-share-url (url-hexify-string (format
ponylang-share-url-format
escaped-data))))
(if (> (length escaped-share-url) 50000)
(error
"Encoded share data exceeds 50000 character limit (length %s)"
(length escaped-share-url))
(let ((shortener-url (format ponylang-shortener-url-format
escaped-share-url))
(url-request-method "POST"))
(url-retrieve shortener-url ;;
(lambda (state)
;; filter out the headers etc. included at the
;; start of the buffer: the relevant text
;; (shortened url or error message) is exactly
;; the last line.
(goto-char (point-max))
(let ((last-line (thing-at-point 'line t))
(err (plist-get state
:error)))
(kill-buffer)
(if err
(error
"Failed to shorten share url: %s"
last-line)
(progn (kill-new last-line)
(message "%s is append to system clipboard."
last-line))))))))))
(defun ponylang-region-length ()
"Return selection region length."
(if (use-region-p)
(let ((selection
(buffer-substring-no-properties
(region-beginning)
(region-end))))
(length selection)) 0))
(defun ponylang-share-region-auto ()
"Create a shareable URL for the region on the Pony `playground'."
(if (> (ponylang-region-length) 0)
(ponylang-share-region (region-beginning)
(region-end))))
(defun ponylang-share-buffer ()
"Create a shareable URL for the contents of the buffer on the Pony `playground'."
(interactive)
(ponylang-share-region (point-min)
(point-max)))
(easy-menu-define ponylang-mode-menu ponylang-mode-map ;
"Menu for Ponylang mode." ;
'("Ponylang" ;
["Build" ponylang-project-build t]
["Run" ponylang-project-run t] ;
["Clean" ponylang-project-clean t]
("Corral" ;
["Init" ponylang-corral-init t]
["Open" ponylang-corral-open t]
["Fetch" ponylang-corral-fetch t]
["Update" ponylang-corral-update t])
("Playground" ;
["Share Buffer" ponylang-share-buffer t]
["Share Region" ponylang-share-region-auto (use-region-p)])
"---" ;
("Community" ;
["News" ;
(ponylang-run-command "xdg-open https://www.ponylang.io/blog") t]
["Beginner Help" ;
(ponylang-run-command
"xdg-open https://ponylang.zulipchat.com/#narrow/stream/189985-beginner-help") t]
["Open an issue" ;
(ponylang-run-command
"xdg-open https://github.com/ponylang/ponyc/issues") t]
["Zulip chat" ;
(ponylang-run-command "xdg-open https://ponylang.zulipchat.com") t]
["Planet-pony" ;
(ponylang-run-command "xdg-open
https://www.ponylang.io/community/planet-pony") t]
["Papers" ;
(ponylang-run-command
"xdg-open https://www.ponylang.io/community/#papers")]
["Tutorial" ;
(ponylang-run-command "xdg-open https://tutorial.ponylang.io/") t]
["Videos" ;
(ponylang-run-command
"xdg-open https://vimeo.com/search/sort:latest?q=pony-vug") t]
["Contribute" ;
(ponylang-run-command
"xdg-open https://github.com/ponylang/contributors") t]
["Sponsors" ;
(ponylang-run-command "xdg-open https://www.ponylang.io/sponsors")
t])))
(defconst ponylang-banner-default
"
_ __ ___ _ __ _ _
| '_ \\ / _ \\| '_ \\| | | |
| |_) | (_) | | | | |_| |
| .__/ \\___/|_| |_|\\__, |
| | __/ |
|_| |___/
"
"Ponylang word logo.")
(defconst ponylang-banner-horse
"
,(\\_/)
((((^`\\
(((( (6 \\
((((( , \\
,,,_ ((((( /\"._ ,`,
((((\\\\ ,... (((( / `-.-'
))) ;' `\"'\"'\"(((( (
((( / ((( \\
)) | |
(( | . ' |
)) \\ _ ' `\\ ,.'Y
( | y;---,-\"\"'\"-.\\ \\/
) / ./ ) / `\\ \\
|./ ( ( / /'
|| \\\\ //'|
|| \\\\ _// ||
|| )) |_/ ||
\\_\\ |_/ ||
`'\" \\_\\
`'\""
"Ponylang horse logo.")
(defconst ponylang-banner-knight
"
.
|\\
||
||
||
,__,, ||
=/= / ||
, , \\j / o-</>>o
_)\\_/) __//___,____/_\\
(/ (6\\> __// /_ /__\\_/_/
/` _ /\\><'_\\/\\/__/
/ ,_//\\ \\> _)_/
\\_(' | )> x)_::\\ ______,
/ \\>__// o |----.,/( )\\\\))
\\' \\| )___/ \\ \\/ \\\\\\\\\\
/ +-/o/----+ |
/ ' \\_\\, ___ /
/ \\_| _/\\_|-\" /, /
/ _/ / _/ )\\| | _/
( ( / / /_/ \\_ \\_(__
\\`./ / / / /
\\/ / / / _/
_/,/ _/_/,/
_____/ (______,____/_/ (______
^-' ^-'"
"Ponylang knight logo.")
(defcustom ponylang-banner 1
"Specify the startup banner.
Default value is `1', it displaysthe `Word' logo.`2' displays Emacs `Horse'
logo. `3' displays Emacs `Knight' logo.A string to customize the banner.If the
value is 0 then no banner is displayed."
:type '(choice (integer :tag "banner index")
(string :tag "custom banner"))
:group 'ponylang)
(defun ponylang-choose-banner ()
"Return the banner content."
(cond ((not ponylang-banner) "")
((stringp ponylang-banner) ponylang-banner)
((= 0 ponylang-banner) "")
((= 1 ponylang-banner) ponylang-banner-default)
((= 2 ponylang-banner) ponylang-banner-horse)
((= 3 ponylang-banner) ponylang-banner-knight)
(t ponylang-banner-default)))
(defhydra ponylang-hydra-menu
(:color blue
:hint none)
"
%s(ponylang-choose-banner)
Corral | _i_: Init _f_: Fetch _u_: Update _o_: corral.json
Pony | _b_: Build _r_: Run _c_: Clean
Playground | _s_: Buffer _S_: Region
Community | _1_: News _2_: BeginerHelp _3_: Open Issue
| _4_: Chat _5_: PlanetPony _6_: Papers
| _7_: Tutorial _8_: Videos _9_: Sponsors _0_: Contribute
_q_: Quit" ;
("b" ponylang-project-build "Build")
("r" ponylang-project-run "Run")
("c" ponylang-project-clean "Clean")
("o" ponylang-corral-open "Open corral.json")
("i" ponylang-corral-init "corral init")
("f" ponylang-corral-fetch "corral fetch")
("u" ponylang-corral-update "corral udate")
("s" ponylang-share-buffer "share buffer")
("S" (ponylang-share-region (region-beginning)
(region-end)) "share region")
("1" (ponylang-run-command "xdg-open https://www.ponylang.io/blog") "News")
("2" (ponylang-run-command
"xdg-open https://ponylang.zulipchat.com/#narrow/stream/189985-beginner-help") "Beginner Help")
("3" (ponylang-run-command "xdg-open
https://github.com/ponylang/ponyc/issues") "Open an issue")
("4" (ponylang-run-command "xdg-open https://ponylang.zulipchat.com")
"Zulip chat")
("5" (ponylang-run-command
"xdg-open https://www.ponylang.io/community/planet-pony")
"Planet-pony")
("6" (ponylang-run-command
"xdg-open https://www.ponylang.io/community/#papers") "Papers")
("7" (ponylang-run-command "xdg-open https://tutorial.ponylang.io/")
"Tutorial")
("8" (ponylang-run-command
"xdg-open https://vimeo.com/search/sort:latest?q=pony-vug") "Videos")
("9" (ponylang-run-command "xdg-open https://www.ponylang.io/sponsors")
"Sponsors")
("0" (ponylang-run-command "xdg-open
https://github.com/ponylang/contributors") "Contribute")
("q" nil "Quit"))
(defun ponylang-menu ()
"Open ponylang hydra menu."
(interactive)
(ponylang-hydra-menu/body))
(defun ponylang-folding-hide-element
(&optional
RETRY)
"Hide current element.
Optional argument RETRY ."
(interactive)
(let* ((region (yafolding-get-element-region))
(beg (car region))
(end (cadr region)))
(if (and (eq RETRY nil)
(= beg end))
(progn (yafolding-go-parent-element)
(ponylang-folding-hide-element t))
(yafolding-hide-region beg end))))
(defun ponylang-build-tags ()
"Build TAGS file for current project."
(interactive)
(let ((tags-buffer (get-buffer "TAGS"))
(tags-buffer2 (get-buffer (format "TAGS<%s>"
(ponylang-project-name)))))
(if tags-buffer (kill-buffer tags-buffer))
(if tags-buffer2 (kill-buffer tags-buffer2)))
(let* ((ponyc-path (executable-find "ponyc"))
(ponyc-executable (file-chase-links (expand-file-name ponyc-path)))
(packages-path1 (concat (file-name-directory ponyc-executable)
"../packages") )
(packages-path2 (concat (file-name-directory ponyc-executable)
"../../packages") )
(packages-path (if (file-exists-p packages-path1) ;
packages-path1 ;
packages-path2))
(ctags-params ;
(concat
"ctags --langdef=pony --langmap=pony:.pony "
"--regex-pony='/^[ \\t]*actor[ \\t]+([a-zA-Z0-9_]+)/\\1/a,actor/' "
"--regex-pony='/^[ \\t]*class([ \\t]+(iso|trn|ref|val|box|tag))?[ \\t]+([a-zA-Z0-9_]+)/\\3/c,class/' "
"--regex-pony='/[ \\t]*fun([ \\t]+(iso|trn|ref|val|box|tag))?[ \\t]+([a-zA-Z0-9_]+)/\\3/f,function/' "
"--regex-pony='/[ \\t]*be[ \\t]+([a-zA-Z0-9_]+)/\\1/b,behavior/' "
"--regex-pony='/[ \\t]*new([ \\t]+(iso|trn|ref|val|box|tag))?[ \\t]+([a-zA-Z0-9_]+)/\\3/n,new/' "
"--regex-pony='/^[ \\t]*interface([ \\t]+(iso|trn|ref|val|box|tag))?[ \\t]+([a-zA-Z0-9_]+)/\\3/i,interface/' "
"--regex-pony='/^[ \\t]*primitive[ \\t]+([a-zA-Z0-9_]+)/\\1/p,primitive/' "
"--regex-pony='/^[ \\t]*struct[ \\t]+([a-zA-Z0-9_]+)/\\1/s,struct/' "
"--regex-pony='/^[ \\t]*trait([ \\t]+(iso|trn|ref|val|box|tag))?[ \\t]+([a-zA-Z0-9_]+)/\\3/t,trait/' "
"--regex-pony='/^[ \\t]*type[ \\t]+([a-zA-Z0-9_]+)/\\1/y,type/' "
"--languages=pony "
"-e -R . " packages-path)))
(if (file-exists-p packages-path)
(let ((oldir default-directory))
(setq default-directory (ponylang-project-root))
(shell-command ctags-params)
(ponylang-load-tags)
(setq default-directory oldir)))))
(defun ponylang-load-tags
(&optional
BUILD)
"Visit tags table.
Optional argument BUILD ."
(interactive)
(let* ((tags-file (concat (ponylang-project-root) "TAGS")))
(if (file-exists-p tags-file)
(progn (visit-tags-table (concat (ponylang-project-root) "TAGS")))
(if BUILD (ponylang-build-tags)))))
(defun ponylang-before-save-hook ()
"Before save hook."
(when (eq major-mode 'ponylang-mode)
(ponylang-format-buffer)))
(defun ponylang-format-buffer ()
"Format the current buffer."
(indent-region (point-min)
(point-max)))
(defun ponylang-after-save-hook ()
"After save hook."
(when (and (eq major-mode 'ponylang-mode)
(not ponylang-skip-ctags))
(if (not (= 0 (call-process-shell-command "ctags --version")))
(message "Could not locate suitable executable '%s'" "ctags")
(ponylang-build-tags))))
;;;###autoload
(define-derived-mode ponylang-mode ponylang-parent-mode
"Pony"
"Major mode for editing Pony files."
:syntax-table ponylang-mode-syntax-table
(setq-local imenu-generic-expression ;;
'(("TODO" ".*TODO:[ \t]*\\(.*\\)$" 1)
("fun"
"[ \t]*fun[ \t]+$?\\(iso\\|trn\\|ref\\|val\\|box\\|tag\\)?[ \t]*\\([a-zA-Z0-9_]+\\)[ \t]*"
2)
("be" "[ \t]*be[ \t]+\\([a-zA-Z0-9_]+\\)[ \t]*(" 1)
("new"
"[ \t]*new[ \t]+\\(iso\\|trn\\|ref\\|val\\|box\\|tag\\)*[ \t]*\\([a-zA-Z0-9_]+\\)[ \t]*("
2)
("type" "^[ \t]*type[ \t]+\\([a-zA-Z0-9_]+\\)" 1)
("interface"
"^[ \t]*interface[ \t]+\\(iso\\|trn\\|ref\\|val\\|box\\|tag\\)?[ \t]*\\([a-zA-Z0-9_]+\\)"
2)
("trait"
"^[ \t]*trait[ \t]+\\(iso\\|trn\\|ref\\|val\\|box\\|tag\\)?[ \t]*\\([a-zA-Z0-9_]+\\)"
2)
("struct" "^[ \t]*struct[ \t]+\\([a-zA-Z0-9_]+\\)" 1)
("primitive" "^[ \t]*primitive[ \t]+\\([a-zA-Z0-9_]+\\)" 1)
("actor" "^[ \t]*actor[ \t]+\\([a-zA-Z0-9_]+\\)" 1)
("class"
"^[ \t]*class[ \t]+\\(iso\\|trn\\|ref\\|val\\|box\\|tag\\)?[ \t]*\\([a-zA-Z0-9_]+\\)"
2)
("use" "^[ \t]*use[ \t]+\\([a-zA-Z0-9_]+\\)" 1)))
(imenu-add-to-menubar "Index")
(setq-local comment-start "// ")
(setq-local comment-start-skip "//+")
(setq-local font-lock-defaults ;
'(ponylang-font-lock-keywords ;
nil nil nil nil ;
(font-lock-syntactic-face-function .
ponylang-mode-syntactic-face-function)))
(setq-local indent-line-function 'ponylang-indent-line)
(setq-local syntax-propertize-function ponylang-syntax-propertize-function)
(setq-local indent-tabs-mode nil)
(setq-local tab-width 2)
(setq-local buffer-file-coding-system 'utf-8-unix)
(hl-todo-mode)
(setq-local hl-todo-keyword-faces '(("TODO" . "green")
("FIXME" . "yellow")
("DEBUG" . "DarkCyan")
("GOTCHA" . "red")
("STUB" . "DarkGreen")))
(whitespace-mode)
(setq-local whitespace-style '(face spaces tabs newline space-mark tab-mark
newline-mark trailing))
;; Make whitespace-mode and whitespace-newline-mode use “¶” for end of line char and “▷” for tab.
(setq-local whitespace-display-mappings
;; all numbers are unicode codepoint in decimal. e.g. (insert-char 182 1)
'((space-mark 32 [183]
[46]) ;; SPACE 32 「 」, 183 MIDDLE DOT 「·」, 46 FULL STOP 「.」
(newline-mark 10 [182 10]) ;; LINE FEED
(tab-mark 9 [9655 9]
[92 9])))
;; (setq-local whitespace-style '(face trailing))
(setq-local fci-rule-column 80)
(setq-local fci-handle-truncate-lines nil)
(setq-local fci-rule-width 1)
(setq-local fci-rule-color "grey30")
;;
(rainbow-delimiters-mode t)
(defalias 'yafolding-hide-element 'ponylang-folding-hide-element)
;;
(yafolding-mode t)
;;
;; (add-hook 'before-save-hook 'ponylang-before-save-hook nil t)
(add-hook 'after-save-hook #'ponylang-after-save-hook nil t)
(ponylang-load-tags))