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")
35 (fuel-font-lock--defface fuel-font-lock-debug-uses-prompt
36 'italic fuel-debug "prompts in Uses buffers")
39 ;;; Utility functions:
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))
49 (let ((line (substring-no-properties (thing-at-point 'line) 0 -1)))
50 (when in-usings (setq line (concat "! " line)))
52 (when (and in-usings (looking-at ".*\\_<;\\_>")) (setq in-usings nil))
56 (defun fuel-debug--highlight-names (names ref face)
58 (when (not (member n ref))
59 (put-text-property 0 (length n) 'font-lock-face face n))))
61 (defun fuel-debug--uses-new-uses (file uses)
62 (pop-to-buffer (find-file-noselect file))
63 (goto-char (point-min))
64 (if (re-search-forward "^USING: " nil t)
66 (end (or (and (re-search-forward "\\_<;\\_>") (point)) (point))))
67 (kill-region begin end))
68 (re-search-forward "^IN: " nil t)
72 (let ((start (point)))
73 (insert (mapconcat 'substring-no-properties uses " ") " ;")
74 (fill-region start (point) nil)))
76 (defun fuel-debug--uses-filter (restarts)
77 (let ((result) (i 1) (rn 0))
78 (dolist (r restarts (reverse result))
80 (when (string-match "Use the .+ vocabulary\\|Defer" r)
81 (push (list i rn r) result)
85 ;;; Retrieving USINGs:
87 (fuel-popup--define fuel-debug--uses-buffer
88 "*fuel uses*" 'fuel-debug-uses-mode)
90 (make-variable-buffer-local
91 (defvar fuel-debug--uses nil))
93 (make-variable-buffer-local
94 (defvar fuel-debug--uses-file nil))
96 (make-variable-buffer-local
97 (defvar fuel-debug--uses-restarts nil))
99 (defsubst fuel-debug--uses-insert-title ()
100 (insert "Infering USING: stanza for " fuel-debug--uses-file ".\n\n"))
102 (defun fuel-debug--uses-prepare (file)
103 (fuel--with-popup (fuel-debug--uses-buffer)
104 (setq fuel-debug--uses-file file
106 fuel-debug--uses-restarts nil)
108 (fuel-debug--uses-insert-title)))
110 (defun fuel-debug--uses-clean ()
111 (setq fuel-debug--uses-file nil
113 fuel-debug--uses-restarts nil))
115 (defun fuel-debug--uses-for-file (file)
116 (let* ((lines (fuel-debug--file-lines file))
117 (cmd `(:fuel ((V{ ,@lines } fuel-get-uses)) t t)))
118 (fuel-debug--uses-prepare file)
119 (fuel--with-popup (fuel-debug--uses-buffer)
120 (insert "Asking Factor. Please, wait ...\n")
121 (fuel-eval--send cmd 'fuel-debug--uses-cont))
122 (fuel-popup--display (fuel-debug--uses-buffer))))
124 (defun fuel-debug--uses-cont (retort)
125 (let ((uses (fuel-eval--retort-result retort))
126 (err (fuel-eval--retort-error retort)))
127 (if uses (fuel-debug--uses-display uses)
128 (fuel-debug--uses-display-err retort))))
130 (defun fuel-debug--insert-vlist (title vlist)
131 (goto-char (point-max))
132 (insert title "\n\n ")
133 (let ((i 0) (step 5))
137 (insert (if (zerop (mod i step)) "\n " " ")))
138 (unless (zerop (mod i step)) (newline))
141 (defun fuel-debug--uses-display (uses)
142 (let* ((inhibit-read-only t)
143 (old (with-current-buffer (find-file-noselect fuel-debug--uses-file)
144 (fuel-syntax--usings)))
145 (old (sort old 'string<))
146 (new (sort uses 'string<)))
148 (fuel-debug--uses-insert-title)
151 (insert "Current USING: is already fine!. Type 'q' to bury buffer.\n")
152 (fuel-debug--uses-clean))
153 (fuel-debug--highlight-names old new 'fuel-font-lock-debug-unneeded-vocab)
154 (fuel-debug--highlight-names new old 'fuel-font-lock-debug-missing-vocab)
155 (fuel-debug--insert-vlist "Current vocabulary list:" old)
157 (fuel-debug--insert-vlist "Correct vocabulary list:" new)
158 (setq fuel-debug--uses new)
159 (insert "\nType 'y' to update your USING: to the new one.\n"))))
161 (defun fuel-debug--uses-display-err (retort)
162 (let* ((inhibit-read-only t)
163 (err (fuel-eval--retort-error retort))
164 (restarts (fuel-debug--uses-filter (fuel-eval--error-restarts err)))
165 (unique (= 1 (length restarts))))
167 (fuel-debug--uses-insert-title)
168 (insert (fuel-eval--retort-output retort))
171 (insert "\nSorry, couldn't infer the vocabulary list.\n")
172 (setq fuel-debug--uses-restarts restarts)
173 (if unique (fuel-debug--uses-restart 1)
174 (insert "\nPlease, type the number of the desired vocabulary:\n\n")
176 (insert (format " :%s %s\n" (first r) (third r))))))))
178 (defun fuel-debug--uses-update-usings ()
180 (let ((inhibit-read-only t))
181 (when (and fuel-debug--uses-file fuel-debug--uses)
182 (fuel-debug--uses-new-uses fuel-debug--uses-file fuel-debug--uses)
183 (message "USING: updated!")
184 (with-current-buffer (fuel-debug--uses-buffer)
186 (fuel-debug--uses-clean)
189 (defun fuel-debug--uses-restart (n)
190 (when (and (> n 0) (<= n (length fuel-debug--uses-restarts)))
191 (let* ((inhibit-read-only t)
192 (restart (format ":%s" (cadr (nth (1- n) fuel-debug--uses-restarts))))
193 (cmd `(:fuel ([ (:factor ,restart) ] fuel-with-autouse) t t)))
194 (setq fuel-debug--uses-restarts nil)
195 (insert "\nAsking Factor. Please, wait ...\n")
196 (fuel-eval--send cmd 'fuel-debug--uses-cont))))
201 (defvar fuel-debug-uses-mode-map
202 (let ((map (make-keymap)))
203 (suppress-keymap map)
205 (define-key map (vector (+ ?1 n))
206 `(lambda () (interactive) (fuel-debug--uses-restart ,(1+ n)))))
207 (define-key map "y" 'fuel-debug--uses-update-usings)
208 (define-key map "\C-c\C-c" 'fuel-debug--uses-update-usings)
211 (defconst fuel-debug--uses-header-regex
212 (format "^%s.*$" (regexp-opt '("Infering USING: stanza for "
213 "Current USING: is already fine!"
214 "Current vocabulary list:"
215 "Correct vocabulary list:"
216 "Sorry, couldn't infer the vocabulary list."
219 (defconst fuel-debug--uses-prompt-regex
220 (format "^%s" (regexp-opt '("Asking Factor. Please, wait ..."
221 "Please, type the number of the desired vocabulary:"
222 "Type 'y' to update your USING: to the new one."))))
224 (defconst fuel-debug--uses-font-lock-keywords
225 `((,fuel-debug--uses-header-regex . 'fuel-font-lock-debug-uses-header)
226 (,fuel-debug--uses-prompt-regex . 'fuel-font-lock-debug-uses-prompt)
227 (,fuel-debug--restart-regex (1 'fuel-font-lock-debug-restart-number)
228 (2 'fuel-font-lock-debug-restart-name))))
230 (defun fuel-debug-uses-mode ()
231 "A major mode for displaying Factor's USING: inference results."
233 (kill-all-local-variables)
234 (buffer-disable-undo)
235 (setq major-mode 'fuel-debug-uses-mode)
236 (setq mode-name "Fuel Uses:")
237 (set (make-local-variable 'font-lock-defaults)
238 '(fuel-debug--uses-font-lock-keywords t nil nil nil))
239 (use-local-map fuel-debug-uses-mode-map))
242 (provide 'fuel-debug-uses)
243 ;;; fuel-debug-uses.el ends here