factor/misc/fuel/fuel-mode.el

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;;; fuel-mode.el -- Minor mode enabling FUEL niceties
;; Copyright (C) 2008 Jose Antonio Ortega Ruiz
;; See http://factorcode.org/license.txt for BSD license.
;; Author: Jose Antonio Ortega Ruiz <jao@gnu.org>
;; Keywords: languages, fuel, factor
;; Start date: Sat Dec 06, 2008 00:52
;;; Comentary:
;; Enhancements to vanilla factor-mode (notably, listener interaction)
;; enabled by means of a minor mode.
;;; Code:
(require 'factor-mode)
(require 'fuel-base)
(require 'fuel-syntax)
(require 'fuel-font-lock)
(require 'fuel-debug)
(require 'fuel-help)
(require 'fuel-eval)
(require 'fuel-completion)
(require 'fuel-listener)
;;; Customization:
(defgroup fuel-mode nil
"Mode enabling FUEL's ultimate abilities."
:group 'fuel)
(defcustom fuel-mode-autodoc-p t
"Whether `fuel-autodoc-mode' gets enable by default in fuel buffers."
:group 'fuel-mode
:type 'boolean)
;;; User commands
(defun fuel-mode--read-file (arg)
(let* ((file (or (and arg (read-file-name "File: " nil (buffer-file-name) t))
(buffer-file-name)))
(file (expand-file-name file))
(buffer (find-file-noselect file)))
(when (and buffer
(buffer-modified-p buffer)
(y-or-n-p "Save file? "))
(save-buffer buffer))
(cons file buffer)))
(defun fuel-run-file (&optional arg)
"Sends the current file to Factor for compilation.
With prefix argument, ask for the file to run."
(interactive "P")
(let* ((f/b (fuel-mode--read-file arg))
(file (car f/b))
(buffer (cdr f/b)))
(when buffer
(with-current-buffer buffer
(message "Compiling %s ..." file)
(fuel-eval--send `(:fuel (,file fuel-run-file))
`(lambda (r) (fuel--run-file-cont r ,file)))))))
(defun fuel--run-file-cont (ret file)
(if (fuel-debug--display-retort ret
(format "%s successfully compiled" file)
nil
file)
(message "Compiling %s ... OK!" file)
(message "")))
(defun fuel-eval-region (begin end &optional arg)
"Sends region to Fuel's listener for evaluation.
Unless called with a prefix, switchs to the compilation results
buffer in case of errors."
(interactive "r\nP")
(let* ((lines (split-string (buffer-substring-no-properties begin end)
"[\f\n\r\v]+" t))
(cmd `(:fuel (,(mapcar (lambda (l) `(:factor ,l)) lines))))
(cv (fuel-syntax--current-vocab)))
(fuel-debug--display-retort
(fuel-eval--send/wait cmd 10000)
(format "%s%s"
(if cv (format "IN: %s " cv) "")
(fuel--shorten-region begin end 70))
arg
(buffer-file-name))))
(defun fuel-eval-extended-region (begin end &optional arg)
"Sends region extended outwards to nearest definitions,
to Fuel's listener for evaluation.
Unless called with a prefix, switchs to the compilation results
buffer in case of errors."
(interactive "r\nP")
(fuel-eval-region (save-excursion (goto-char begin) (mark-defun) (point))
(save-excursion (goto-char end) (mark-defun) (mark))
arg))
(defun fuel-eval-definition (&optional arg)
"Sends definition around point to Fuel's listener for evaluation.
Unless called with a prefix, switchs to the compilation results
buffer in case of errors."
(interactive "P")
(save-excursion
(mark-defun)
(let* ((begin (point))
(end (mark)))
(unless (< begin end) (error "No evaluable definition around point"))
(fuel-eval-region begin end arg))))
(defun fuel--try-edit (ret)
(let* ((err (fuel-eval--retort-error ret))
(loc (fuel-eval--retort-result ret)))
(when (or err (not loc) (not (listp loc)) (not (stringp (car loc))))
(error "Couldn't find edit location for '%s'" word))
(unless (file-readable-p (car loc))
(error "Couldn't open '%s' for read" (car loc)))
(find-file-other-window (car loc))
(goto-line (if (numberp (cadr loc)) (cadr loc) 1))))
(defun fuel-edit-word-at-point (&optional arg)
"Opens a new window visiting the definition of the word at point.
With prefix, asks for the word to edit."
(interactive "P")
(let* ((word (or (and (not arg) (fuel-syntax-symbol-at-point))
(fuel-completion--read-word "Edit word: ")))
(cmd `(:fuel ((:quote ,word) fuel-get-edit-location))))
(condition-case nil
(fuel--try-edit (fuel-eval--send/wait cmd))
(error (fuel-edit-vocabulary nil word)))))
(defvar fuel-mode--word-history nil)
(defun fuel-edit-word (&optional arg)
"Asks for a word to edit, with completion.
With prefix, only words visible in the current vocabulary are
offered."
(interactive "P")
(let* ((word (fuel-completion--read-word "Edit word: "
nil
fuel-mode--word-history
arg))
(cmd `(:fuel ((:quote ,word) fuel-get-edit-location))))
(fuel--try-edit (fuel-eval--send/wait cmd))))
(defvar fuel--vocabs-prompt-history nil)
(defun fuel--read-vocabulary-name (refresh)
(let* ((vocabs (fuel-completion--vocabs refresh))
(prompt "Vocabulary name: "))
(if vocabs
(completing-read prompt vocabs nil t nil fuel--vocabs-prompt-history)
(read-string prompt nil fuel--vocabs-prompt-history))))
(defun fuel-edit-vocabulary (&optional refresh vocab)
"Visits vocabulary file in Emacs.
When called interactively, asks for vocabulary with completion.
With prefix argument, refreshes cached vocabulary list."
(interactive "P")
(let* ((vocab (or vocab (fuel--read-vocabulary-name refresh)))
(cmd `(:fuel* (,vocab fuel-get-vocab-location) "fuel" t)))
(fuel--try-edit (fuel-eval--send/wait cmd))))
;;; Minor mode definition:
(make-variable-buffer-local
(defvar fuel-mode-string " F"
"Modeline indicator for fuel-mode"))
(defvar fuel-mode-map (make-sparse-keymap)
"Key map for fuel-mode")
(define-minor-mode fuel-mode
"Toggle Fuel's mode.
With no argument, this command toggles the mode.
Non-null prefix argument turns on the mode.
Null prefix argument turns off the mode.
When Fuel mode is enabled, a host of nice utilities for
interacting with a factor listener is at your disposal.
\\{fuel-mode-map}"
:init-value nil
:lighter fuel-mode-string
:group 'fuel
:keymap fuel-mode-map
(setq fuel-autodoc-mode-string "/A")
(when fuel-mode-autodoc-p (fuel-autodoc-mode fuel-mode)))
;;; Keys:
(defun fuel-mode--key-1 (k c)
(define-key fuel-mode-map (vector '(control ?c) k) c)
(define-key fuel-mode-map (vector '(control ?c) `(control ,k)) c))
(defun fuel-mode--key (p k c)
(define-key fuel-mode-map (vector '(control ?c) `(control ,p) k) c)
(define-key fuel-mode-map (vector '(control ?c) `(control ,p) `(control ,k)) c))
(fuel-mode--key-1 ?k 'fuel-run-file)
(fuel-mode--key-1 ?l 'fuel-run-file)
(fuel-mode--key-1 ?r 'fuel-eval-region)
(fuel-mode--key-1 ?z 'run-factor)
(define-key fuel-mode-map "\C-\M-x" 'fuel-eval-definition)
(define-key fuel-mode-map "\C-\M-r" 'fuel-eval-extended-region)
(define-key fuel-mode-map "\M-." 'fuel-edit-word-at-point)
(define-key fuel-mode-map (kbd "M-TAB") 'fuel-completion--complete-symbol)
(fuel-mode--key ?e ?e 'fuel-eval-extended-region)
(fuel-mode--key ?e ?l 'fuel-run-file)
(fuel-mode--key ?e ?r 'fuel-eval-region)
(fuel-mode--key ?e ?v 'fuel-edit-vocabulary)
(fuel-mode--key ?e ?w 'fuel-edit-word)
(fuel-mode--key ?e ?x 'fuel-eval-definition)
(fuel-mode--key ?d ?a 'fuel-autodoc-mode)
(fuel-mode--key ?d ?d 'fuel-help)
(fuel-mode--key ?d ?s 'fuel-help-short)
(provide 'fuel-mode)
;;; fuel-mode.el ends here