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1 | ;;; semantic/analyze/debug.el --- Debug the analyzer |
2 | ||
3 | ;;; Copyright (C) 2008, 2009 Free Software Foundation, Inc. | |
4 | ||
5 | ;; Author: Eric M. Ludlam <zappo@gnu.org> | |
6 | ||
7 | ;; This file is part of GNU Emacs. | |
8 | ||
9 | ;; GNU Emacs is free software: you can redistribute it and/or modify | |
10 | ;; it under the terms of the GNU General Public License as published by | |
11 | ;; the Free Software Foundation, either version 3 of the License, or | |
12 | ;; (at your option) any later version. | |
13 | ||
14 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
15 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | ;; GNU General Public License for more details. | |
18 | ||
19 | ;; You should have received a copy of the GNU General Public License | |
20 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. | |
21 | ||
22 | ;;; Commentary: | |
23 | ;; | |
24 | ;; Provide a top-order debugging tool for figuring out what's going on with | |
25 | ;; smart completion and analyzer mode. | |
26 | ||
27 | (require 'semantic/analyze) | |
28 | (require 'semantic/db-typecache) | |
29 | ||
30 | ;;; Code: | |
31 | ||
32 | (defun semantic-analyze-debug-assist () | |
33 | "Debug semantic analysis at the current point." | |
34 | (interactive) | |
35 | (let ((actualfcn (fetch-overload 'semantic-analyze-current-context)) | |
36 | (ctxt (semantic-analyze-current-context)) | |
37 | ) | |
38 | ;; What to show. | |
39 | (if actualfcn | |
40 | (message "Mode %s does not use the default analyzer." | |
41 | major-mode) | |
42 | ;; Debug our context. | |
43 | ) | |
44 | (or (semantic-analyzer-debug-test-local-context) | |
45 | (and ctxt (semantic-analyzer-debug-found-prefix ctxt)) | |
46 | ) | |
47 | ||
48 | )) | |
49 | ||
50 | (defun semantic-analyzer-debug-found-prefix (ctxt) | |
51 | "Debug the prefix found by the analyzer output CTXT." | |
52 | (let* ((pf (oref ctxt prefix)) | |
53 | (pft (oref ctxt prefixtypes)) | |
54 | (idx 0) | |
55 | (stop nil) | |
56 | (comp (condition-case nil | |
57 | (semantic-analyze-possible-completions ctxt) | |
58 | (error nil))) | |
59 | ) | |
60 | (while (and (nth idx pf) (not stop)) | |
61 | (let ((pentry (nth idx pf)) | |
62 | (ptentry (nth idx pft))) | |
63 | (if (or (stringp pentry) (not ptentry)) | |
64 | ;; Found someting ok. stop | |
65 | (setq stop t) | |
66 | (setq idx (1+ idx))))) | |
67 | ;; We found the first non-tag entry. What is the situation? | |
68 | (cond | |
69 | ((and (eq idx 0) (stringp (car pf))) | |
70 | ;; First part, we couldn't find it. | |
71 | (semantic-analyzer-debug-global-symbol ctxt (car pf) comp)) | |
72 | ((not (nth (1- idx) pft)) ;; idx can't be 0 here. | |
73 | ;; The previous entry failed to have an identifiable data | |
74 | ;; type, which is a global search. | |
75 | (semantic-analyzer-debug-missing-datatype ctxt idx comp)) | |
76 | ((and (nth (1- idx) pft) (stringp (nth idx pf))) | |
77 | ;; Non-first search, didn't find string in known data type. | |
78 | (semantic-analyzer-debug-missing-innertype ctxt idx comp)) | |
79 | (t | |
80 | ;; Things are ok? | |
81 | (message "Things look ok.")) | |
82 | ))) | |
83 | ||
84 | (defun semantic-analyzer-debug-global-symbol (ctxt prefix comp) | |
85 | "Debug why we can't find the first entry in the CTXT PREFIX. | |
86 | Argument COMP are possible completions here." | |
87 | (let ((tab semanticdb-current-table) | |
88 | (finderr nil) | |
89 | (origbuf (current-buffer)) | |
90 | ) | |
91 | (with-output-to-temp-buffer (help-buffer) | |
92 | (with-current-buffer standard-output | |
93 | (princ "Unable to find prefix ") | |
94 | (princ prefix) | |
95 | (princ ".\n\n") | |
96 | ||
97 | ;; NOTE: This line is copied from semantic-analyze-current-context. | |
98 | ;; You will need to update both places. | |
99 | (condition-case err | |
100 | (save-excursion | |
101 | (set-buffer origbuf) | |
102 | (let* ((position (or (cdr-safe (oref ctxt bounds)) (point))) | |
103 | (prefixtypes nil) ; Used as type return | |
104 | (scope (semantic-calculate-scope position)) | |
105 | ) | |
106 | (semantic-analyze-find-tag-sequence | |
107 | (list prefix "") scope 'prefixtypes) | |
108 | ) | |
109 | ) | |
110 | (error (setq finderr err))) | |
111 | ||
112 | (if finderr | |
113 | (progn | |
114 | (princ "The prefix lookup code threw the following error:\n ") | |
115 | (prin1 finderr) | |
116 | (princ "\n\nTo debug this error you can do this: | |
117 | M-x toggle-debug-on-error RET | |
118 | and then re-run the debug analyzer.\n") | |
119 | ) | |
120 | ;; No find error, just not found | |
121 | (princ "The prefix ") | |
122 | (princ prefix) | |
123 | (princ " could not be found in the local scope, | |
124 | nor in any search tables.\n") | |
125 | ) | |
126 | (princ "\n") | |
127 | ||
128 | ;; Describe local scope, and why we might not be able to | |
129 | ;; find it. | |
130 | (semantic-analyzer-debug-describe-scope ctxt) | |
131 | ||
132 | (semantic-analyzer-debug-show-completions comp) | |
133 | ||
134 | (princ "When Semantic cannot find a symbol, it could be because the include | |
135 | path was setup incorrectly.\n") | |
136 | ||
137 | (semantic-analyzer-debug-insert-include-summary tab) | |
138 | ||
139 | )) | |
140 | (semantic-analyzer-debug-add-buttons) | |
141 | )) | |
142 | ||
143 | (defun semantic-analyzer-debug-missing-datatype (ctxt idx comp) | |
144 | "Debug why we can't find a datatype entry for CTXT prefix at IDX. | |
145 | Argument COMP are possible completions here." | |
146 | (let* ((prefixitem (nth idx (oref ctxt prefix))) | |
147 | (dt (nth (1- idx) (oref ctxt prefixtypes))) | |
148 | (tt (semantic-tag-type prefixitem)) | |
149 | (tab semanticdb-current-table) | |
150 | ) | |
151 | (when dt (error "Missing Datatype debugger is confused")) | |
152 | (with-output-to-temp-buffer (help-buffer) | |
153 | (with-current-buffer standard-output | |
154 | (princ "Unable to find datatype for: \"") | |
155 | (princ (semantic-format-tag-prototype prefixitem)) | |
156 | (princ "\". | |
157 | Declared type is: ") | |
158 | (when (semantic-tag-p tt) | |
159 | (semantic-analyzer-debug-insert-tag tt) | |
160 | (princ "\nRaw data type is: ")) | |
161 | (princ (format "%S" tt)) | |
162 | (princ " | |
163 | ||
164 | Semantic could not find this data type in any of its global tables. | |
165 | ||
166 | Semantic locates datatypes through either the local scope, or the global | |
167 | typecache. | |
168 | ") | |
169 | ||
170 | ;; Describe local scope, and why we might not be able to | |
171 | ;; find it. | |
172 | (semantic-analyzer-debug-describe-scope ctxt '(type)) | |
173 | ||
174 | ;; Describe the typecache. | |
175 | (princ "\nSemantic creates and maintains a type cache for each buffer. | |
176 | If the type is a global type, then it should appear in they typecache. | |
177 | To examine the typecache, type: | |
178 | ||
179 | M-x semanticdb-typecache-dump RET | |
180 | ||
181 | Current typecache Statistics:\n") | |
182 | (princ (format " %4d types global in this file\n %4d types from includes.\n" | |
183 | (length (semanticdb-typecache-file-tags tab)) | |
184 | (length (semanticdb-typecache-include-tags tab)))) | |
185 | ||
186 | (princ "\nIf the datatype is not in the typecache, then your include | |
187 | path may be incorrect. ") | |
188 | ||
189 | (semantic-analyzer-debug-insert-include-summary tab) | |
190 | ||
191 | ;; End with-buffer | |
192 | )) | |
193 | (semantic-analyzer-debug-add-buttons) | |
194 | )) | |
195 | ||
196 | (defun semantic-analyzer-debug-missing-innertype (ctxt idx comp) | |
197 | "Debug why we can't find an entry for CTXT prefix at IDX for known type. | |
198 | We need to see if we have possible completions against the entry before | |
199 | being too vocal about it. | |
200 | Argument COMP are possible completions here." | |
201 | (let* ((prefixitem (nth idx (oref ctxt prefix))) | |
202 | (prevprefix (nth (1- idx) (oref ctxt prefix))) | |
203 | (dt (nth (1- idx) (oref ctxt prefixtypes))) | |
204 | (desired-type (semantic-analyze-type-constraint ctxt)) | |
205 | (orig-buffer (current-buffer)) | |
206 | (ots (semantic-analyze-tag-type prevprefix | |
207 | (oref ctxt scope) | |
208 | t ; Don't deref | |
209 | )) | |
210 | ) | |
211 | (when (not dt) (error "Missing Innertype debugger is confused")) | |
212 | (with-output-to-temp-buffer (help-buffer) | |
213 | (with-current-buffer standard-output | |
214 | (princ "Cannot find prefix \"") | |
215 | (princ prefixitem) | |
216 | (princ "\" in datatype: | |
217 | ") | |
218 | (semantic-analyzer-debug-insert-tag dt) | |
219 | (princ "\n") | |
220 | ||
221 | (cond | |
222 | ;; Any language with a namespace. | |
223 | ((string= (semantic-tag-type dt) "namespace") | |
224 | (princ "Semantic may not have found all possible namespaces with | |
225 | the name ") | |
226 | (princ (semantic-tag-name dt)) | |
227 | (princ ". You can debug the entire typecache, including merged namespaces | |
228 | with the command: | |
229 | ||
230 | M-x semanticdb-typecache-dump RET") | |
231 | ) | |
232 | ||
233 | ;; @todo - external declarations?? | |
234 | (nil | |
235 | nil) | |
236 | ||
237 | ;; A generic explanation | |
238 | (t | |
239 | (princ "\nSemantic has found the datatype ") | |
240 | (semantic-analyzer-debug-insert-tag dt) | |
241 | (if (or (not (semantic-equivalent-tag-p ots dt)) | |
242 | (not (save-excursion | |
243 | (set-buffer orig-buffer) | |
244 | (car (semantic-analyze-dereference-metatype | |
245 | ots (oref ctxt scope)))))) | |
246 | (let ((lasttype ots) | |
247 | (nexttype (save-excursion | |
248 | (set-buffer orig-buffer) | |
249 | (car (semantic-analyze-dereference-metatype | |
250 | ots (oref ctxt scope)))))) | |
251 | (if (eq nexttype lasttype) | |
252 | (princ "\n [ Debugger error trying to help with metatypes ]") | |
253 | ||
254 | (if (eq ots dt) | |
255 | (princ "\nwhich is a metatype") | |
256 | (princ "\nwhich is derived from metatype ") | |
257 | (semantic-analyzer-debug-insert-tag lasttype))) | |
258 | ||
259 | (princ ".\nThe Metatype stack is:\n") | |
260 | (princ " ") | |
261 | (semantic-analyzer-debug-insert-tag lasttype) | |
262 | (princ "\n") | |
263 | (while (and nexttype | |
264 | (not (eq nexttype lasttype))) | |
265 | (princ " ") | |
266 | (semantic-analyzer-debug-insert-tag nexttype) | |
267 | (princ "\n") | |
268 | (setq lasttype nexttype | |
269 | nexttype | |
270 | (save-excursion | |
271 | (set-buffer orig-buffer) | |
272 | (car (semantic-analyze-dereference-metatype | |
273 | nexttype (oref ctxt scope))))) | |
274 | ) | |
275 | (when (not nexttype) | |
276 | (princ " nil\n\n") | |
277 | (princ | |
278 | "Last metatype is nil. This means that semantic cannot derive | |
279 | the list of members because the type referred to cannot be found.\n") | |
280 | ) | |
281 | ) | |
282 | (princ "\nand its list of members.") | |
283 | ||
284 | (if (not comp) | |
285 | (progn | |
286 | (princ " Semantic does not know what | |
287 | possible completions there are for \"") | |
288 | (princ prefixitem) | |
289 | (princ "\". Examine the known | |
290 | members below for more.")) | |
291 | (princ " Semantic knows of some | |
292 | possible completions for \"") | |
293 | (princ prefixitem) | |
294 | (princ "\"."))) | |
295 | ) | |
296 | ;; end cond | |
297 | ) | |
298 | ||
299 | (princ "\n") | |
300 | (semantic-analyzer-debug-show-completions comp) | |
301 | ||
302 | (princ "\nKnown members of ") | |
303 | (princ (semantic-tag-name dt)) | |
304 | (princ ":\n") | |
305 | (dolist (M (semantic-tag-type-members dt)) | |
306 | (princ " ") | |
307 | ;;(princ (semantic-format-tag-prototype M)) | |
308 | (semantic-analyzer-debug-insert-tag M) | |
309 | (princ "\n")) | |
310 | ||
311 | ;; This doesn't refer to in-type completions. | |
312 | ;;(semantic-analyzer-debug-global-miss-text prefixitem) | |
313 | ||
314 | ;; More explanation | |
315 | (when desired-type | |
316 | (princ "\nWhen there are known members that would make good completion | |
317 | candidates that are not in the completion list, then the most likely | |
318 | cause is a type constraint. Semantic has determined that there is a | |
319 | type constraint looking for the type ") | |
320 | (if (semantic-tag-p desired-type) | |
321 | (semantic-analyzer-debug-insert-tag desired-type) | |
322 | (princ (format "%S" desired-type))) | |
323 | (princ ".")) | |
324 | )) | |
325 | (semantic-analyzer-debug-add-buttons) | |
326 | ||
327 | )) | |
328 | ||
329 | ||
330 | (defun semantic-analyzer-debug-test-local-context () | |
331 | "Test the local context parsed from the file." | |
332 | (let* ((prefixandbounds (semantic-ctxt-current-symbol-and-bounds (point))) | |
333 | (prefix (car prefixandbounds)) | |
334 | (bounds (nth 2 prefixandbounds)) | |
335 | ) | |
336 | (when (and (or (not prefixandbounds) | |
337 | (not prefix) | |
338 | (not bounds)) | |
339 | ) | |
340 | (with-output-to-temp-buffer (help-buffer) | |
341 | (with-current-buffer standard-output | |
342 | (princ "Local Context Parser Failed. | |
343 | ||
344 | If this is unexpected, then there is likely a bug in the Semantic | |
345 | local context parser. | |
346 | ||
347 | Consider debugging the function ") | |
348 | (let ((lcf (fetch-overload 'semantic-ctxt-current-symbol-and-bounds))) | |
349 | (if lcf | |
350 | (princ (symbol-name lcf)) | |
351 | (princ "semantic-ctxt-current-symbol-and-bounds, | |
352 | or implementing a version specific to ") | |
353 | (princ (symbol-name major-mode)) | |
354 | ) | |
355 | (princ ".\n")) | |
356 | (semantic-analyzer-debug-add-buttons) | |
357 | t))) | |
358 | )) | |
359 | ||
360 | ;;; General Inserters with help | |
361 | ;; | |
362 | (defun semantic-analyzer-debug-show-completions (comp) | |
363 | "Show the completion list COMP." | |
364 | (if (not comp) | |
365 | (princ "\nNo known possible completions.\n") | |
366 | ||
367 | (princ "\nPossible completions are:\n") | |
368 | (dolist (C comp) | |
369 | (princ " ") | |
370 | (cond ((stringp C) | |
371 | (princ C) | |
372 | ) | |
373 | ((semantic-tag-p C) | |
374 | (semantic-analyzer-debug-insert-tag C))) | |
375 | (princ "\n")) | |
376 | (princ "\n"))) | |
377 | ||
378 | (defun semantic-analyzer-debug-insert-include-summary (table) | |
379 | "Display a summary of includes for the semanticdb TABLE." | |
380 | (semantic-fetch-tags) | |
381 | (let ((inc (semantic-find-tags-by-class 'include table)) | |
382 | ;;(path (semanticdb-find-test-translate-path-no-loading)) | |
383 | (unk | |
384 | (save-excursion | |
385 | (set-buffer (semanticdb-get-buffer table)) | |
386 | semanticdb-find-lost-includes)) | |
387 | (ip | |
388 | (save-excursion | |
389 | (set-buffer (semanticdb-get-buffer table)) | |
390 | semantic-dependency-system-include-path)) | |
391 | (edeobj | |
392 | (save-excursion | |
393 | (set-buffer (semanticdb-get-buffer table)) | |
394 | ede-object)) | |
395 | (edeproj | |
396 | (save-excursion | |
397 | (set-buffer (semanticdb-get-buffer table)) | |
398 | ede-object-project)) | |
399 | ) | |
400 | ||
401 | (princ "\n\nInclude Path Summary:") | |
402 | (when edeobj | |
403 | (princ "\n\nThis file's project include search is handled by the EDE object:\n") | |
404 | (princ " Buffer Target: ") | |
405 | (princ (object-print edeobj)) | |
406 | (princ "\n") | |
407 | (when (not (eq edeobj edeproj)) | |
408 | (princ " Buffer Project: ") | |
409 | (princ (object-print edeproj)) | |
410 | (princ "\n")) | |
411 | (when edeproj | |
412 | (let ((loc (ede-get-locator-object edeproj))) | |
413 | (princ " Backup Locator: ") | |
414 | (princ (object-print loc)) | |
415 | (princ "\n"))) | |
416 | ) | |
417 | ||
418 | (princ "\n\nThe system include path is:\n") | |
419 | (dolist (dir ip) | |
420 | (princ " ") | |
421 | (princ dir) | |
422 | (princ "\n")) | |
423 | ||
424 | (princ "\n\nInclude Summary: ") | |
425 | (princ (semanticdb-full-filename table)) | |
426 | (princ "\n\n") | |
427 | (princ (format "%s contains %d includes.\n" | |
428 | (file-name-nondirectory | |
429 | (semanticdb-full-filename table)) | |
430 | (length inc))) | |
431 | (let ((ok 0) | |
432 | (unknown 0) | |
433 | (unparsed 0) | |
434 | (all 0)) | |
435 | (dolist (i inc) | |
436 | (let* ((fileinner (semantic-dependency-tag-file i)) | |
437 | (tableinner (when fileinner | |
438 | (semanticdb-file-table-object fileinner t)))) | |
439 | (cond ((not fileinner) | |
440 | (setq unknown (1+ unknown))) | |
441 | ((number-or-marker-p (oref tableinner pointmax)) | |
442 | (setq ok (1+ ok))) | |
443 | (t | |
444 | (setq unparsed (1+ unparsed)))))) | |
445 | (setq all (+ ok unknown unparsed)) | |
446 | (when (not (= 0 all)) | |
447 | (princ (format " Unknown Includes: %d\n" unknown)) | |
448 | (princ (format " Unparsed Includes: %d\n" unparsed)) | |
449 | (princ (format " Parsed Includes: %d\n" ok))) | |
450 | ) | |
451 | ||
452 | ;; Unknowns... | |
453 | (if unk | |
454 | (progn | |
455 | (princ "\nA likely cause of an unfound tag is missing include files.") | |
456 | (semantic-analyzer-debug-insert-tag-list | |
457 | "The following includes were not found" unk) | |
458 | ||
459 | (princ "\nYou can fix the include path for ") | |
460 | (princ (symbol-name (oref table major-mode))) | |
461 | (princ " by using this function: | |
462 | ||
463 | M-x semantic-customize-system-include-path RET | |
464 | ||
465 | which customizes the mode specific variable for the mode-local | |
466 | variable `semantic-dependency-system-include-path'.") | |
467 | ) | |
468 | ||
469 | (princ "\n No unknown includes.\n")) | |
470 | )) | |
471 | ||
472 | (defun semantic-analyzer-debug-describe-scope (ctxt &optional classconstraint) | |
473 | "Describe the scope in CTXT for finding a global symbol. | |
474 | Optional argument CLASSCONSTRAINT says to output to tags of that class." | |
475 | (let* ((scope (oref ctxt :scope)) | |
476 | (parents (oref scope parents)) | |
477 | (cc (or classconstraint (oref ctxt prefixclass))) | |
478 | ) | |
479 | (princ "\nLocal Scope Information:") | |
480 | (princ "\n * Tag Class Constraint against SCOPE: ") | |
481 | (princ (format "%S" classconstraint)) | |
482 | ||
483 | (if parents | |
484 | (semantic-analyzer-debug-insert-tag-list | |
485 | " >> Known parent types with possible in scope symbols" | |
486 | parents) | |
487 | (princ "\n * No known parents in current scope.")) | |
488 | ||
489 | (let ((si (semantic-analyze-tags-of-class-list | |
490 | (oref scope scope) cc)) | |
491 | (lv (semantic-analyze-tags-of-class-list | |
492 | (oref scope localvar) cc)) | |
493 | ) | |
494 | (if si | |
495 | (semantic-analyzer-debug-insert-tag-list | |
496 | " >> Known symbols within the current scope" | |
497 | si) | |
498 | (princ "\n * No known symbols currently in scope.")) | |
499 | ||
500 | (if lv | |
501 | (semantic-analyzer-debug-insert-tag-list | |
502 | " >> Known symbols that are declared locally" | |
503 | lv) | |
504 | (princ "\n * No known symbols declared locally.")) | |
505 | ) | |
506 | ) | |
507 | ) | |
508 | ||
509 | (defun semantic-analyzer-debug-global-miss-text (name-in) | |
510 | "Use 'princ' to show text describing not finding symbol NAME-IN. | |
511 | NAME is the name of the unfound symbol." | |
512 | (let ((name (cond ((stringp name-in) | |
513 | name-in) | |
514 | ((semantic-tag-p name-in) | |
515 | (semantic-format-tag-name name-in)) | |
516 | (t (format "%S" name-in))))) | |
517 | (when (not (string= name "")) | |
518 | (princ "\nIf ") | |
519 | (princ name) | |
520 | (princ " is a local variable, argument, or symbol in some | |
521 | namespace or class exposed via scoping statements, then it should | |
522 | appear in the scope. | |
523 | ||
524 | Debugging the scope can be done with: | |
525 | M-x semantic-calculate-scope RET | |
526 | ||
527 | If the prefix is a global symbol, in an included file, then | |
528 | your search path may be incomplete. | |
529 | ")))) | |
530 | ||
531 | ;;; Utils | |
532 | ;; | |
533 | (defun semantic-analyzer-debug-insert-tag-list (text taglist) | |
534 | "Prefixing with TEXT, dump TAGLIST in a help buffer." | |
535 | (princ "\n") (princ text) (princ ":\n") | |
536 | ||
537 | (dolist (M taglist) | |
538 | (princ " ") | |
539 | ;;(princ (semantic-format-tag-prototype M)) | |
540 | (semantic-analyzer-debug-insert-tag M) | |
541 | (princ "\n")) | |
542 | ) | |
543 | ||
544 | (defun semantic-analyzer-debug-insert-tag (tag &optional parent) | |
545 | "Display a TAG by name, with possible jumpitude. | |
546 | PARENT is a possible parent (by nesting) tag." | |
547 | (let ((str (semantic-format-tag-prototype tag parent))) | |
548 | (if (and (semantic-tag-with-position-p tag) | |
549 | (semantic-tag-file-name tag)) | |
550 | (insert-button str | |
551 | 'mouse-face 'custom-button-pressed-face | |
552 | 'tag tag | |
553 | 'action | |
554 | `(lambda (button) | |
555 | (let ((buff nil) | |
556 | (pnt nil)) | |
557 | (save-excursion | |
558 | (semantic-go-to-tag | |
559 | (button-get button 'tag)) | |
560 | (setq buff (current-buffer)) | |
561 | (setq pnt (point))) | |
562 | (if (get-buffer-window buff) | |
563 | (select-window (get-buffer-window buff)) | |
564 | (pop-to-buffer buff t)) | |
565 | (goto-char pnt) | |
566 | (pulse-line-hook-function))) | |
567 | ) | |
568 | (princ "\"") | |
569 | (princ str) | |
570 | (princ "\"")) | |
571 | )) | |
572 | ||
573 | (defvar semantic-analyzer-debug-orig nil | |
574 | "The originating buffer for a help button.") | |
575 | ||
576 | (defun semantic-analyzer-debug-add-buttons () | |
577 | "Add push-buttons to the *Help* buffer. | |
578 | Look for key expressions, and add push-buttons near them." | |
579 | (let ((orig-buffer (make-marker))) | |
580 | (set-marker orig-buffer (point) (current-buffer)) | |
581 | (save-excursion | |
582 | ;; Get a buffer ready. | |
583 | (set-buffer "*Help*") | |
584 | (toggle-read-only -1) | |
585 | (goto-char (point-min)) | |
586 | (set (make-local-variable 'semantic-analyzer-debug-orig) orig-buffer) | |
587 | ;; First, add do-in buttons to recommendations. | |
588 | (while (re-search-forward "^\\s-*M-x \\(\\(\\w\\|\\s_\\)+\\) " nil t) | |
589 | (let ((fcn (match-string 1))) | |
590 | (when (not (fboundp (intern-soft fcn))) | |
591 | (error "Help Err: Can't find %s" fcn)) | |
592 | (end-of-line) | |
593 | (insert " ") | |
594 | (insert-button "[ Do It ]" | |
595 | 'mouse-face 'custom-button-pressed-face | |
596 | 'do-fcn fcn | |
597 | 'action `(lambda (arg) | |
598 | (let ((M semantic-analyzer-debug-orig)) | |
599 | (set-buffer (marker-buffer M)) | |
600 | (goto-char M)) | |
601 | (call-interactively (quote ,(intern-soft fcn)))) | |
602 | ) | |
603 | )) | |
604 | ;; Do something else? | |
605 | ||
606 | ;; Clean up the mess | |
607 | (toggle-read-only 1) | |
608 | (set-buffer-modified-p nil) | |
609 | ))) | |
610 | ||
611 | (provide 'semantic/analyze/debug) | |
612 | ||
613 | ;;; semantic/analyze/debug.el ends here |