factor/misc/factor.el

403 lines
14 KiB
EmacsLisp

;; Eduardo Cavazos - wayo.cavazos@gmail.com
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Add these lines to your .emacs file:
;; (load-file "/scratch/repos/Factor/misc/factor.el")
;; (setq factor-binary "/scratch/repos/Factor/factor")
;; (setq factor-image "/scratch/repos/Factor/factor.image")
;; Of course, you'll have to edit the directory paths for your system
;; accordingly.
;; That's all you have to do to "install" factor.el on your
;; system. Whenever you edit a factor file, Emacs will know to switch
;; to Factor mode.
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; M-x run-factor === Start a Factor listener inside Emacs
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(defgroup factor nil
"Factor mode"
:group 'languages)
(defvar factor-mode-syntax-table nil
"Syntax table used while in Factor mode.")
(defcustom factor-display-compilation-output t
"Display the REPL buffer before compiling files."
:type '(choice (const :tag "Enable" t) (const :tag "Disable" nil))
:group 'factor)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; factor-mode syntax
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(if factor-mode-syntax-table
()
(let ((i 0))
(setq factor-mode-syntax-table (make-syntax-table))
;; Default is atom-constituent
(while (< i 256)
(modify-syntax-entry i "_ " factor-mode-syntax-table)
(setq i (1+ i)))
;; Word components.
(setq i ?0)
(while (<= i ?9)
(modify-syntax-entry i "w " factor-mode-syntax-table)
(setq i (1+ i)))
(setq i ?A)
(while (<= i ?Z)
(modify-syntax-entry i "w " factor-mode-syntax-table)
(setq i (1+ i)))
(setq i ?a)
(while (<= i ?z)
(modify-syntax-entry i "w " factor-mode-syntax-table)
(setq i (1+ i)))
;; Whitespace
(modify-syntax-entry ?\t " " factor-mode-syntax-table)
(modify-syntax-entry ?\n ">" factor-mode-syntax-table)
(modify-syntax-entry ?\f " " factor-mode-syntax-table)
(modify-syntax-entry ?\r " " factor-mode-syntax-table)
(modify-syntax-entry ? " " factor-mode-syntax-table)
(modify-syntax-entry ?\[ "(] " factor-mode-syntax-table)
(modify-syntax-entry ?\] ")[ " factor-mode-syntax-table)
(modify-syntax-entry ?{ "(} " factor-mode-syntax-table)
(modify-syntax-entry ?} "){ " factor-mode-syntax-table)
(modify-syntax-entry ?\( "()" factor-mode-syntax-table)
(modify-syntax-entry ?\) ")(" factor-mode-syntax-table)
(modify-syntax-entry ?\" "\" " factor-mode-syntax-table)))
(defcustom factor-mode-hook nil
"Hook run when entering Factor mode."
:type 'hook
:group 'factor)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; factor-mode font lock
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(require 'font-lock)
(defgroup factor-faces nil
"Faces used in Factor mode"
:group 'factor
:group 'faces)
(defsubst factor--face (face) `((t ,(face-attr-construct face))))
(defface factor-font-lock-parsing-word (factor--face font-lock-keyword-face)
"Face for parsing words."
:group 'factor-faces)
(defface factor-font-lock-comment (factor--face font-lock-comment-face)
"Face for comments."
:group 'factor-faces)
(defface factor-font-lock-string (factor--face font-lock-string-face)
"Face for strings."
:group 'factor-faces)
(defface factor-font-lock-stack-effect (factor--face font-lock-comment-face)
"Face for stack effect specifications."
:group 'factor-faces)
(defface factor-font-lock-word-definition (factor--face font-lock-function-name-face)
"Face for word, generic or method being defined."
:group 'factor-faces)
(defface factor-font-lock-symbol-definition (factor--face font-lock-variable-name-face)
"Face for name of symbol being defined."
:group 'factor-faces)
(defface factor-font-lock-vocabulary-name (factor--face font-lock-constant-face)
"Face for names of vocabularies in USE or USING."
:group 'factor-faces)
(defface factor-font-lock-type-definition (factor--face font-lock-type-face)
"Face for type (tuple) names."
:group 'factor-faces)
(defface factor-font-lock-parsing-word (factor--face font-lock-keyword-face)
"Face for parsing words."
:group 'factor-faces)
(defconst factor--parsing-words
'("{" "}" "^:" "^::" ";" "<<" "<PRIVATE" ">>"
"BIN:" "BV{" "B{" "C:" "C-STRUCT:" "C-UNION:" "CHAR:" "CS{" "C{"
"DEFER:" "ERROR:" "EXCLUDE:" "FORGET:"
"GENERIC#" "GENERIC:" "HEX:" "HOOK:" "H{"
"IN:" "INSTANCE:" "INTERSECTION:"
"M:" "MACRO:" "MACRO::" "MAIN:" "MATH:" "METHOD:" "MIXIN:"
"OCT:" "POSTPONE:" "PREDICATE:" "PRIMITIVE:" "PRIVATE>" "PROVIDE:"
"REQUIRE:" "REQUIRES:" "SINGLETON:" "SLOT:" "SYMBOL:" "SYMBOLS:"
"TUPLE:" "T{" "t\\??" "TYPEDEF:"
"UNION:" "USE:" "USING:" "V{" "VAR:" "VARS:" "W{"))
(defconst factor--regex-parsing-words-ext
(regexp-opt '("B" "call-next-method" "delimiter" "f" "flushable" "foldable"
"initial:" "inline" "parsing" "read-only" "recursive")
'words))
(defun factor--regex-second-word (prefixes)
(format "^%s +\\([^ \r\n]+\\)" (regexp-opt prefixes t)))
(defconst factor--regex-word-definition
(factor--regex-second-word '(":" "::" "M:" "GENERIC:")))
(defconst factor--regex-type-definition
(factor--regex-second-word '("TUPLE:")))
(defconst factor--regex-symbol-definition
(factor--regex-second-word '("SYMBOL:")))
(defconst factor--regex-using-line "^USING: +\\([^;]*\\);")
(defconst factor--regex-use-line "^USE: +\\(.*\\)$")
(defconst factor-font-lock-keywords
`(("#!.*$" . 'factor-font-lock-comment)
("!( .* )" . 'factor-font-lock-comment)
("^!.*$" . 'factor-font-lock-comment)
(" !.*$" . 'factor-font-lock-comment)
("( .* )" . 'factor-font-lock-stack-effect)
("\"\\(\\\\\"\\|[^\"]\\)*\"" . 'factor-font-lock-string)
("\\(P\\|SBUF\\)\"" 1 'factor-font-lock-parsing-word)
,@(mapcar #'(lambda (w) (cons (concat "\\(^\\| \\)\\(" w "\\)\\($\\| \\)")
'(2 'factor-font-lock-parsing-word)))
factor--parsing-words)
(,factor--regex-parsing-words-ext . 'factor-font-lock-parsing-word)
(,factor--regex-word-definition 2 'factor-font-lock-word-definition)
(,factor--regex-type-definition 2 'factor-font-lock-type-definition)
(,factor--regex-symbol-definition 2 'factor-font-lock-symbol-definition)
(,factor--regex-using-line 1 'factor-font-lock-vocabulary-name)
(,factor--regex-use-line 1 'factor-font-lock-vocabulary-name)))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; factor-mode commands
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(require 'comint)
(defvar factor-binary "~/factor/factor")
(defvar factor-image "~/factor/factor.image")
(defun factor-telnet-to-port (port)
(interactive "nPort: ")
(switch-to-buffer
(make-comint-in-buffer "factor-telnet" nil (cons "localhost" port))))
(defun factor-telnet ()
(interactive)
(factor-telnet-to-port 9000))
(defun factor-telnet-factory ()
(interactive)
(factor-telnet-to-port 9010))
(defun factor-run-file ()
(interactive)
(when (and (buffer-modified-p)
(y-or-n-p (format "Save file %s? " (buffer-file-name))))
(save-buffer))
(when factor-display-compilation-output
(factor-display-output-buffer))
(comint-send-string "*factor*" (format "\"%s\"" (buffer-file-name)))
(comint-send-string "*factor*" " run-file\n"))
(defun factor-display-output-buffer ()
(with-current-buffer "*factor*"
(goto-char (point-max))
(unless (get-buffer-window (current-buffer) t)
(display-buffer (current-buffer) t))))
;; (defun factor-send-region (start end)
;; (interactive "r")
;; (comint-send-region "*factor*" start end)
;; (comint-send-string "*factor*" "\n"))
(defun factor-send-string (str)
(let ((n (length (split-string str "\n"))))
(save-excursion
(set-buffer "*factor*")
(goto-char (point-max))
(if (> n 1) (newline))
(insert str)
(comint-send-input))))
(defun factor-send-region (start end)
(interactive "r")
(let ((str (buffer-substring start end))
(n (count-lines start end)))
(save-excursion
(set-buffer "*factor*")
(goto-char (point-max))
(if (> n 1) (newline))
(insert str)
(comint-send-input))))
(defun factor-send-definition ()
(interactive)
(factor-send-region (search-backward ":")
(search-forward ";")))
(defun factor-see ()
(interactive)
(comint-send-string "*factor*" "\\ ")
(comint-send-string "*factor*" (thing-at-point 'sexp))
(comint-send-string "*factor*" " see\n"))
(defun factor-help ()
(interactive)
(comint-send-string "*factor*" "\\ ")
(comint-send-string "*factor*" (thing-at-point 'sexp))
(comint-send-string "*factor*" " help\n"))
(defun factor-edit ()
(interactive)
(comint-send-string "*factor*" "\\ ")
(comint-send-string "*factor*" (thing-at-point 'sexp))
(comint-send-string "*factor*" " edit\n"))
(defun factor-clear ()
(interactive)
(factor-send-string "clear"))
(defun factor-comment-line ()
(interactive)
(beginning-of-line)
(insert "! "))
(defvar factor-mode-map (make-sparse-keymap))
(define-key factor-mode-map "\C-c\C-f" 'factor-run-file)
(define-key factor-mode-map "\C-c\C-r" 'factor-send-region)
(define-key factor-mode-map "\C-c\C-d" 'factor-send-definition)
(define-key factor-mode-map "\C-c\C-s" 'factor-see)
(define-key factor-mode-map "\C-ce" 'factor-edit)
(define-key factor-mode-map "\C-c\C-h" 'factor-help)
(define-key factor-mode-map "\C-cc" 'comment-region)
(define-key factor-mode-map [return] 'newline-and-indent)
(define-key factor-mode-map [tab] 'indent-for-tab-command)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; factor-mode indentation
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(defun factor-indent-line ()
"Indent current line as Factor code"
(indent-line-to (+ (current-indentation) 4)))
(defconst factor-word-starting-keywords
'("" ":" "TUPLE" "MACRO" "MACRO:" "M"))
(defmacro factor-word-start-re (keywords)
`(format
"^\\(%s\\): "
(mapconcat 'identity ,keywords "\\|")))
(defun factor-calculate-indentation ()
"Calculate Factor indentation for line at point."
(let ((not-indented t)
(cur-indent 0))
(save-excursion
(beginning-of-line)
(if (bobp)
(setq cur-indent 0)
(save-excursion
(while not-indented
;; Check that we are inside open brackets
(save-excursion
(let ((cur-depth (factor-brackets-depth)))
(forward-line -1)
(setq cur-indent (+ (current-indentation)
(* default-tab-width
(- cur-depth (factor-brackets-depth)))))
(setq not-indented nil)))
(forward-line -1)
;; Check that we are after the end of previous word
(if (looking-at ".*;[ \t]*$")
(progn
(setq cur-indent (- (current-indentation) default-tab-width))
(setq not-indented nil))
;; Check that we are after the start of word
(if (looking-at (factor-word-start-re factor-word-starting-keywords))
; (if (looking-at "^[A-Z:]*: ")
(progn
(message "inword")
(setq cur-indent (+ (current-indentation) default-tab-width))
(setq not-indented nil))
(if (bobp)
(setq not-indented nil))))))))
cur-indent))
(defun factor-brackets-depth ()
"Returns number of brackets, not closed on previous lines."
(syntax-ppss-depth
(save-excursion
(syntax-ppss (line-beginning-position)))))
(defun factor-indent-line ()
"Indent current line as Factor code"
(let ((target (factor-calculate-indentation))
(pos (- (point-max) (point))))
(if (= target (current-indentation))
(if (< (current-column) (current-indentation))
(back-to-indentation))
(beginning-of-line)
(delete-horizontal-space)
(indent-to target)
(if (> (- (point-max) pos) (point))
(goto-char (- (point-max) pos))))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; factor-mode
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(defun factor-mode ()
"A mode for editing programs written in the Factor programming language.
\\{factor-mode-map}"
(interactive)
(kill-all-local-variables)
(use-local-map factor-mode-map)
(setq major-mode 'factor-mode)
(setq mode-name "Factor")
(set (make-local-variable 'indent-line-function) #'factor-indent-line)
(make-local-variable 'comment-start)
(setq comment-start "! ")
(make-local-variable 'font-lock-defaults)
(setq font-lock-defaults
'(factor-font-lock-keywords t nil nil nil))
(set-syntax-table factor-mode-syntax-table)
(make-local-variable 'indent-line-function)
(setq indent-line-function 'factor-indent-line)
(run-hooks 'factor-mode-hook))
(add-to-list 'auto-mode-alist '("\\.factor\\'" . factor-mode))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; factor-listener-mode
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(define-derived-mode factor-listener-mode comint-mode "Factor Listener")
(define-key factor-listener-mode-map [f8] 'factor-refresh-all)
(defun run-factor ()
(interactive)
(switch-to-buffer
(make-comint-in-buffer "factor" nil (expand-file-name factor-binary) nil
(concat "-i=" (expand-file-name factor-image))
"-run=listener"))
(factor-listener-mode))
(defun factor-refresh-all ()
(interactive)
(comint-send-string "*factor*" "refresh-all\n"))