1 ;;; fuel-debug-uses.el -- retrieving USING: stanzas
3 ;; Copyright (C) 2008 Jose Antonio Ortega Ruiz
4 ;; See http://factorcode.org/license.txt for BSD license.
6 ;; Author: Jose Antonio Ortega Ruiz <jao@gnu.org>
7 ;; Keywords: languages, fuel, factor
8 ;; Start date: Tue Dec 23, 2008 04:23
12 ;; Support for getting and updating factor source vocabulary lists.
19 (require 'fuel-font-lock)
26 (fuel-font-lock--defface fuel-font-lock-debug-missing-vocab
27 'font-lock-warning-face fuel-debug "missing vocabulary names")
29 (fuel-font-lock--defface fuel-font-lock-debug-unneeded-vocab
30 'font-lock-warning-face fuel-debug "unneeded vocabulary names")
32 (fuel-font-lock--defface fuel-font-lock-debug-uses-header
33 'bold fuel-debug "headers in Uses buffers")
36 ;;; Utility functions:
38 (defsubst fuel-debug--at-eou-p ()
39 (looking-at ".*\\_<;\\_>"))
41 (defun fuel-debug--file-lines (file)
42 (when (file-readable-p file)
43 (with-current-buffer (find-file-noselect file)
45 (goto-char (point-min))
46 (let ((lines) (in-usings))
48 (when (looking-at "^USING: ") (setq in-usings t))
50 (let ((line (substring-no-properties (thing-at-point 'line) 0 -1)))
51 (unless (or (empty-string-p line)
52 (fuel--string-prefix-p "! " line))
54 (when (and in-usings (fuel-debug--at-eou-p)) (setq in-usings nil))
58 (defun fuel-debug--highlight-names (names ref face)
60 (when (not (member n ref))
61 (put-text-property 0 (length n) 'face face n))))
63 (defun fuel-debug--uses-new-uses (file uses)
64 (pop-to-buffer (find-file-noselect file))
65 (goto-char (point-min))
66 (if (re-search-forward "^USING: " nil t)
68 (end (or (and (re-search-forward "\\_<;\\_>") (point)) (point))))
69 (kill-region begin end))
70 (re-search-forward "^IN: " nil t)
74 (insert (mapconcat 'identity uses " ") " ;")
77 (defun fuel-debug--uses-filter (restarts)
78 (let ((result) (i 1) (rn 0))
79 (dolist (r restarts (reverse result))
81 (when (string-match "Use the .+ vocabulary\\|Defer" r)
82 (push (list i rn r) result)
86 ;;; Retrieving USINGs:
88 (fuel-popup--define fuel-debug--uses-buffer
89 "*fuel uses*" 'fuel-debug-uses-mode)
91 (make-variable-buffer-local
92 (defvar fuel-debug--uses nil))
94 (make-variable-buffer-local
95 (defvar fuel-debug--uses-file nil))
97 (make-variable-buffer-local
98 (defvar fuel-debug--uses-restarts nil))
100 (defsubst fuel-debug--uses-insert-title ()
101 (insert "Infering USING: stanza for " fuel-debug--uses-file ".\n\n"))
103 (defun fuel-debug--uses-prepare (file)
104 (fuel--with-popup (fuel-debug--uses-buffer)
105 (setq fuel-debug--uses-file file
107 fuel-debug--uses-restarts nil)
109 (fuel-debug--uses-insert-title)))
111 (defun fuel-debug--uses-clean ()
112 (setq fuel-debug--uses-file nil
114 fuel-debug--uses-restarts nil))
116 (defun fuel-debug--uses-for-file (file)
117 (let* ((lines (fuel-debug--file-lines file))
118 (cmd `(:fuel ((V{ ,@lines } fuel-get-uses)) t t)))
119 (fuel-debug--uses-prepare file)
120 (fuel--with-popup (fuel-debug--uses-buffer)
121 (insert "Asking Factor. Please, wait ...\n")
122 (fuel-eval--send cmd 'fuel-debug--uses-cont))
123 (fuel-popup--display (fuel-debug--uses-buffer))))
125 (defun fuel-debug--uses-cont (retort)
126 (let ((uses (fuel-eval--retort-result retort))
127 (err (fuel-eval--retort-error retort)))
128 (if uses (fuel-debug--uses-display uses)
129 (fuel-debug--uses-display-err retort))))
131 (defun fuel-debug--insert-vlist (title vlist)
132 (goto-char (point-max))
133 (insert title "\n\n ")
134 (let ((i 0) (step 5))
138 (insert (if (zerop (mod i step)) "\n " " ")))
139 (unless (zerop (mod i step)) (newline))
142 (defun fuel-debug--uses-display (uses)
143 (let* ((inhibit-read-only t)
144 (old (with-current-buffer (find-file-noselect fuel-debug--uses-file)
145 (fuel-syntax--usings)))
146 (old (sort old 'string<))
147 (new (sort uses 'string<)))
149 (fuel-debug--uses-insert-title)
152 (insert "Current USING: is already fine!. Type 'q' to bury buffer.\n")
153 (fuel-debug--uses-clean))
154 (fuel-debug--highlight-names old new 'fuel-font-lock-debug-unneeded-vocab)
155 (fuel-debug--highlight-names new old 'fuel-font-lock-debug-missing-vocab)
156 (fuel-debug--insert-vlist "Current vocabulary list:" old)
158 (fuel-debug--insert-vlist "Correct vocabulary list:" new)
159 (setq fuel-debug--uses new)
160 (insert "\nType 'y' to update your USING: to the new one.\n"))))
162 (defun fuel-debug--uses-display-err (retort)
163 (let* ((inhibit-read-only t)
164 (err (fuel-eval--retort-error retort))
165 (restarts (fuel-debug--uses-filter (fuel-eval--error-restarts err)))
166 (unique (= 1 (length restarts))))
168 (fuel-debug--uses-insert-title)
169 (insert (fuel-eval--retort-output retort))
172 (insert "\nSorry, couldn't infer the vocabulary list.\n")
173 (setq fuel-debug--uses-restarts restarts)
174 (if unique (fuel-debug--uses-restart 1)
175 (insert "\nPlease, type the number of the desired vocabulary:\n\n")
177 (insert (format " :%s %s\n" (first r) (third r))))))))
179 (defun fuel-debug--uses-update-usings ()
181 (let ((inhibit-read-only t))
182 (when (and fuel-debug--uses-file fuel-debug--uses)
183 (fuel-debug--uses-new-uses fuel-debug--uses-file fuel-debug--uses)
184 (message "USING: updated!")
185 (with-current-buffer (fuel-debug--uses-buffer)
187 (fuel-debug--uses-clean)
188 (fuel-popup--quit)))))
190 (defun fuel-debug--uses-restart (n)
191 (when (and (> n 0) (<= n (length fuel-debug--uses-restarts)))
192 (let* ((inhibit-read-only t)
193 (restart (format ":%s" (cadr (nth (1- n) fuel-debug--uses-restarts))))
194 (cmd `(:fuel ([ (:factor ,restart) ] fuel-with-autouse) t t)))
195 (setq fuel-debug--uses-restarts nil)
196 (insert "\nAsking Factor. Please, wait ...\n")
197 (fuel-eval--send cmd 'fuel-debug--uses-cont))))
202 (defvar fuel-debug-uses-mode-map
203 (let ((map (make-keymap)))
204 (suppress-keymap map)
206 (define-key map (vector (+ ?1 n))
207 `(lambda () (interactive) (fuel-debug--uses-restart ,(1+ n)))))
208 (define-key map "y" 'fuel-debug--uses-update-usings)
209 (define-key map "\C-c\C-c" 'fuel-debug--uses-update-usings)
212 (defun fuel-debug-uses-mode ()
213 "A major mode for displaying Factor's USING: inference results."
215 (kill-all-local-variables)
216 (buffer-disable-undo)
217 (setq major-mode 'fuel-debug-uses-mode)
218 (setq mode-name "Fuel Uses:")
219 (use-local-map fuel-debug-uses-mode-map))
222 (provide 'fuel-debug-uses)
223 ;;; fuel-debug-uses.el ends here