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a6de3d1a CY |
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 | ||
06b43459 | 27 | (require 'semantic) |
a6de3d1a | 28 | (require 'semantic/analyze) |
06b43459 | 29 | (require 'semantic/analyze/complete) |
a6de3d1a CY |
30 | (require 'semantic/db-typecache) |
31 | ||
06b43459 CY |
32 | ;; For semantic-find-tags-by-class: |
33 | (eval-when-compile (require 'semantic/find)) | |
34 | ||
1fe1547a CY |
35 | (declare-function ede-get-locator-object "ede/files") |
36 | ||
a6de3d1a CY |
37 | ;;; Code: |
38 | ||
39 | (defun semantic-analyze-debug-assist () | |
40 | "Debug semantic analysis at the current point." | |
41 | (interactive) | |
42 | (let ((actualfcn (fetch-overload 'semantic-analyze-current-context)) | |
43 | (ctxt (semantic-analyze-current-context)) | |
44 | ) | |
45 | ;; What to show. | |
46 | (if actualfcn | |
47 | (message "Mode %s does not use the default analyzer." | |
48 | major-mode) | |
49 | ;; Debug our context. | |
50 | ) | |
51 | (or (semantic-analyzer-debug-test-local-context) | |
52 | (and ctxt (semantic-analyzer-debug-found-prefix ctxt)) | |
53 | ) | |
54 | ||
55 | )) | |
56 | ||
57 | (defun semantic-analyzer-debug-found-prefix (ctxt) | |
58 | "Debug the prefix found by the analyzer output CTXT." | |
59 | (let* ((pf (oref ctxt prefix)) | |
60 | (pft (oref ctxt prefixtypes)) | |
61 | (idx 0) | |
62 | (stop nil) | |
63 | (comp (condition-case nil | |
64 | (semantic-analyze-possible-completions ctxt) | |
65 | (error nil))) | |
66 | ) | |
67 | (while (and (nth idx pf) (not stop)) | |
68 | (let ((pentry (nth idx pf)) | |
69 | (ptentry (nth idx pft))) | |
70 | (if (or (stringp pentry) (not ptentry)) | |
71 | ;; Found someting ok. stop | |
72 | (setq stop t) | |
73 | (setq idx (1+ idx))))) | |
74 | ;; We found the first non-tag entry. What is the situation? | |
75 | (cond | |
76 | ((and (eq idx 0) (stringp (car pf))) | |
77 | ;; First part, we couldn't find it. | |
78 | (semantic-analyzer-debug-global-symbol ctxt (car pf) comp)) | |
79 | ((not (nth (1- idx) pft)) ;; idx can't be 0 here. | |
80 | ;; The previous entry failed to have an identifiable data | |
81 | ;; type, which is a global search. | |
82 | (semantic-analyzer-debug-missing-datatype ctxt idx comp)) | |
83 | ((and (nth (1- idx) pft) (stringp (nth idx pf))) | |
84 | ;; Non-first search, didn't find string in known data type. | |
85 | (semantic-analyzer-debug-missing-innertype ctxt idx comp)) | |
86 | (t | |
87 | ;; Things are ok? | |
88 | (message "Things look ok.")) | |
89 | ))) | |
90 | ||
91 | (defun semantic-analyzer-debug-global-symbol (ctxt prefix comp) | |
92 | "Debug why we can't find the first entry in the CTXT PREFIX. | |
93 | Argument COMP are possible completions here." | |
94 | (let ((tab semanticdb-current-table) | |
95 | (finderr nil) | |
96 | (origbuf (current-buffer)) | |
97 | ) | |
98 | (with-output-to-temp-buffer (help-buffer) | |
99 | (with-current-buffer standard-output | |
100 | (princ "Unable to find prefix ") | |
101 | (princ prefix) | |
102 | (princ ".\n\n") | |
103 | ||
104 | ;; NOTE: This line is copied from semantic-analyze-current-context. | |
105 | ;; You will need to update both places. | |
106 | (condition-case err | |
107 | (save-excursion | |
108 | (set-buffer origbuf) | |
109 | (let* ((position (or (cdr-safe (oref ctxt bounds)) (point))) | |
110 | (prefixtypes nil) ; Used as type return | |
111 | (scope (semantic-calculate-scope position)) | |
112 | ) | |
113 | (semantic-analyze-find-tag-sequence | |
114 | (list prefix "") scope 'prefixtypes) | |
115 | ) | |
116 | ) | |
117 | (error (setq finderr err))) | |
118 | ||
119 | (if finderr | |
120 | (progn | |
121 | (princ "The prefix lookup code threw the following error:\n ") | |
122 | (prin1 finderr) | |
123 | (princ "\n\nTo debug this error you can do this: | |
124 | M-x toggle-debug-on-error RET | |
125 | and then re-run the debug analyzer.\n") | |
126 | ) | |
127 | ;; No find error, just not found | |
128 | (princ "The prefix ") | |
129 | (princ prefix) | |
130 | (princ " could not be found in the local scope, | |
131 | nor in any search tables.\n") | |
132 | ) | |
133 | (princ "\n") | |
134 | ||
135 | ;; Describe local scope, and why we might not be able to | |
136 | ;; find it. | |
137 | (semantic-analyzer-debug-describe-scope ctxt) | |
138 | ||
139 | (semantic-analyzer-debug-show-completions comp) | |
140 | ||
141 | (princ "When Semantic cannot find a symbol, it could be because the include | |
142 | path was setup incorrectly.\n") | |
143 | ||
144 | (semantic-analyzer-debug-insert-include-summary tab) | |
145 | ||
146 | )) | |
147 | (semantic-analyzer-debug-add-buttons) | |
148 | )) | |
149 | ||
150 | (defun semantic-analyzer-debug-missing-datatype (ctxt idx comp) | |
151 | "Debug why we can't find a datatype entry for CTXT prefix at IDX. | |
152 | Argument COMP are possible completions here." | |
153 | (let* ((prefixitem (nth idx (oref ctxt prefix))) | |
154 | (dt (nth (1- idx) (oref ctxt prefixtypes))) | |
155 | (tt (semantic-tag-type prefixitem)) | |
156 | (tab semanticdb-current-table) | |
157 | ) | |
158 | (when dt (error "Missing Datatype debugger is confused")) | |
159 | (with-output-to-temp-buffer (help-buffer) | |
160 | (with-current-buffer standard-output | |
161 | (princ "Unable to find datatype for: \"") | |
162 | (princ (semantic-format-tag-prototype prefixitem)) | |
163 | (princ "\". | |
164 | Declared type is: ") | |
165 | (when (semantic-tag-p tt) | |
166 | (semantic-analyzer-debug-insert-tag tt) | |
167 | (princ "\nRaw data type is: ")) | |
168 | (princ (format "%S" tt)) | |
169 | (princ " | |
170 | ||
171 | Semantic could not find this data type in any of its global tables. | |
172 | ||
173 | Semantic locates datatypes through either the local scope, or the global | |
174 | typecache. | |
175 | ") | |
176 | ||
177 | ;; Describe local scope, and why we might not be able to | |
178 | ;; find it. | |
179 | (semantic-analyzer-debug-describe-scope ctxt '(type)) | |
180 | ||
181 | ;; Describe the typecache. | |
182 | (princ "\nSemantic creates and maintains a type cache for each buffer. | |
183 | If the type is a global type, then it should appear in they typecache. | |
184 | To examine the typecache, type: | |
185 | ||
186 | M-x semanticdb-typecache-dump RET | |
187 | ||
188 | Current typecache Statistics:\n") | |
189 | (princ (format " %4d types global in this file\n %4d types from includes.\n" | |
190 | (length (semanticdb-typecache-file-tags tab)) | |
191 | (length (semanticdb-typecache-include-tags tab)))) | |
192 | ||
193 | (princ "\nIf the datatype is not in the typecache, then your include | |
194 | path may be incorrect. ") | |
195 | ||
196 | (semantic-analyzer-debug-insert-include-summary tab) | |
197 | ||
198 | ;; End with-buffer | |
199 | )) | |
200 | (semantic-analyzer-debug-add-buttons) | |
201 | )) | |
202 | ||
203 | (defun semantic-analyzer-debug-missing-innertype (ctxt idx comp) | |
204 | "Debug why we can't find an entry for CTXT prefix at IDX for known type. | |
205 | We need to see if we have possible completions against the entry before | |
206 | being too vocal about it. | |
207 | Argument COMP are possible completions here." | |
208 | (let* ((prefixitem (nth idx (oref ctxt prefix))) | |
209 | (prevprefix (nth (1- idx) (oref ctxt prefix))) | |
210 | (dt (nth (1- idx) (oref ctxt prefixtypes))) | |
211 | (desired-type (semantic-analyze-type-constraint ctxt)) | |
212 | (orig-buffer (current-buffer)) | |
213 | (ots (semantic-analyze-tag-type prevprefix | |
214 | (oref ctxt scope) | |
215 | t ; Don't deref | |
216 | )) | |
217 | ) | |
218 | (when (not dt) (error "Missing Innertype debugger is confused")) | |
219 | (with-output-to-temp-buffer (help-buffer) | |
220 | (with-current-buffer standard-output | |
221 | (princ "Cannot find prefix \"") | |
222 | (princ prefixitem) | |
223 | (princ "\" in datatype: | |
224 | ") | |
225 | (semantic-analyzer-debug-insert-tag dt) | |
226 | (princ "\n") | |
227 | ||
228 | (cond | |
229 | ;; Any language with a namespace. | |
230 | ((string= (semantic-tag-type dt) "namespace") | |
231 | (princ "Semantic may not have found all possible namespaces with | |
232 | the name ") | |
233 | (princ (semantic-tag-name dt)) | |
234 | (princ ". You can debug the entire typecache, including merged namespaces | |
235 | with the command: | |
236 | ||
237 | M-x semanticdb-typecache-dump RET") | |
238 | ) | |
239 | ||
240 | ;; @todo - external declarations?? | |
241 | (nil | |
242 | nil) | |
243 | ||
244 | ;; A generic explanation | |
245 | (t | |
246 | (princ "\nSemantic has found the datatype ") | |
247 | (semantic-analyzer-debug-insert-tag dt) | |
248 | (if (or (not (semantic-equivalent-tag-p ots dt)) | |
249 | (not (save-excursion | |
250 | (set-buffer orig-buffer) | |
251 | (car (semantic-analyze-dereference-metatype | |
252 | ots (oref ctxt scope)))))) | |
253 | (let ((lasttype ots) | |
254 | (nexttype (save-excursion | |
255 | (set-buffer orig-buffer) | |
256 | (car (semantic-analyze-dereference-metatype | |
257 | ots (oref ctxt scope)))))) | |
258 | (if (eq nexttype lasttype) | |
259 | (princ "\n [ Debugger error trying to help with metatypes ]") | |
260 | ||
261 | (if (eq ots dt) | |
262 | (princ "\nwhich is a metatype") | |
263 | (princ "\nwhich is derived from metatype ") | |
264 | (semantic-analyzer-debug-insert-tag lasttype))) | |
265 | ||
266 | (princ ".\nThe Metatype stack is:\n") | |
267 | (princ " ") | |
268 | (semantic-analyzer-debug-insert-tag lasttype) | |
269 | (princ "\n") | |
270 | (while (and nexttype | |
271 | (not (eq nexttype lasttype))) | |
272 | (princ " ") | |
273 | (semantic-analyzer-debug-insert-tag nexttype) | |
274 | (princ "\n") | |
275 | (setq lasttype nexttype | |
276 | nexttype | |
277 | (save-excursion | |
278 | (set-buffer orig-buffer) | |
279 | (car (semantic-analyze-dereference-metatype | |
280 | nexttype (oref ctxt scope))))) | |
281 | ) | |
282 | (when (not nexttype) | |
283 | (princ " nil\n\n") | |
284 | (princ | |
285 | "Last metatype is nil. This means that semantic cannot derive | |
286 | the list of members because the type referred to cannot be found.\n") | |
287 | ) | |
288 | ) | |
289 | (princ "\nand its list of members.") | |
290 | ||
291 | (if (not comp) | |
292 | (progn | |
293 | (princ " Semantic does not know what | |
294 | possible completions there are for \"") | |
295 | (princ prefixitem) | |
296 | (princ "\". Examine the known | |
297 | members below for more.")) | |
298 | (princ " Semantic knows of some | |
299 | possible completions for \"") | |
300 | (princ prefixitem) | |
301 | (princ "\"."))) | |
302 | ) | |
303 | ;; end cond | |
304 | ) | |
305 | ||
306 | (princ "\n") | |
307 | (semantic-analyzer-debug-show-completions comp) | |
308 | ||
309 | (princ "\nKnown members of ") | |
310 | (princ (semantic-tag-name dt)) | |
311 | (princ ":\n") | |
312 | (dolist (M (semantic-tag-type-members dt)) | |
313 | (princ " ") | |
314 | ;;(princ (semantic-format-tag-prototype M)) | |
315 | (semantic-analyzer-debug-insert-tag M) | |
316 | (princ "\n")) | |
317 | ||
318 | ;; This doesn't refer to in-type completions. | |
319 | ;;(semantic-analyzer-debug-global-miss-text prefixitem) | |
320 | ||
321 | ;; More explanation | |
322 | (when desired-type | |
323 | (princ "\nWhen there are known members that would make good completion | |
324 | candidates that are not in the completion list, then the most likely | |
325 | cause is a type constraint. Semantic has determined that there is a | |
326 | type constraint looking for the type ") | |
327 | (if (semantic-tag-p desired-type) | |
328 | (semantic-analyzer-debug-insert-tag desired-type) | |
329 | (princ (format "%S" desired-type))) | |
330 | (princ ".")) | |
331 | )) | |
332 | (semantic-analyzer-debug-add-buttons) | |
333 | ||
334 | )) | |
335 | ||
336 | ||
337 | (defun semantic-analyzer-debug-test-local-context () | |
338 | "Test the local context parsed from the file." | |
339 | (let* ((prefixandbounds (semantic-ctxt-current-symbol-and-bounds (point))) | |
340 | (prefix (car prefixandbounds)) | |
341 | (bounds (nth 2 prefixandbounds)) | |
342 | ) | |
343 | (when (and (or (not prefixandbounds) | |
344 | (not prefix) | |
345 | (not bounds)) | |
346 | ) | |
347 | (with-output-to-temp-buffer (help-buffer) | |
348 | (with-current-buffer standard-output | |
349 | (princ "Local Context Parser Failed. | |
350 | ||
351 | If this is unexpected, then there is likely a bug in the Semantic | |
352 | local context parser. | |
353 | ||
354 | Consider debugging the function ") | |
355 | (let ((lcf (fetch-overload 'semantic-ctxt-current-symbol-and-bounds))) | |
356 | (if lcf | |
357 | (princ (symbol-name lcf)) | |
358 | (princ "semantic-ctxt-current-symbol-and-bounds, | |
359 | or implementing a version specific to ") | |
360 | (princ (symbol-name major-mode)) | |
361 | ) | |
362 | (princ ".\n")) | |
363 | (semantic-analyzer-debug-add-buttons) | |
364 | t))) | |
365 | )) | |
366 | ||
367 | ;;; General Inserters with help | |
368 | ;; | |
369 | (defun semantic-analyzer-debug-show-completions (comp) | |
370 | "Show the completion list COMP." | |
371 | (if (not comp) | |
372 | (princ "\nNo known possible completions.\n") | |
373 | ||
374 | (princ "\nPossible completions are:\n") | |
375 | (dolist (C comp) | |
376 | (princ " ") | |
377 | (cond ((stringp C) | |
378 | (princ C) | |
379 | ) | |
380 | ((semantic-tag-p C) | |
381 | (semantic-analyzer-debug-insert-tag C))) | |
382 | (princ "\n")) | |
383 | (princ "\n"))) | |
384 | ||
06b43459 CY |
385 | (defvar semantic-dependency-system-include-path) |
386 | ||
a6de3d1a CY |
387 | (defun semantic-analyzer-debug-insert-include-summary (table) |
388 | "Display a summary of includes for the semanticdb TABLE." | |
06b43459 | 389 | (require 'semantic/dep) |
a6de3d1a CY |
390 | (semantic-fetch-tags) |
391 | (let ((inc (semantic-find-tags-by-class 'include table)) | |
392 | ;;(path (semanticdb-find-test-translate-path-no-loading)) | |
393 | (unk | |
394 | (save-excursion | |
395 | (set-buffer (semanticdb-get-buffer table)) | |
396 | semanticdb-find-lost-includes)) | |
397 | (ip | |
398 | (save-excursion | |
399 | (set-buffer (semanticdb-get-buffer table)) | |
400 | semantic-dependency-system-include-path)) | |
401 | (edeobj | |
402 | (save-excursion | |
403 | (set-buffer (semanticdb-get-buffer table)) | |
1fe1547a CY |
404 | (and (boundp 'ede-object) |
405 | ede-object))) | |
a6de3d1a CY |
406 | (edeproj |
407 | (save-excursion | |
408 | (set-buffer (semanticdb-get-buffer table)) | |
1fe1547a CY |
409 | (and (boundp 'ede-object-project) |
410 | ede-object-project)))) | |
a6de3d1a CY |
411 | |
412 | (princ "\n\nInclude Path Summary:") | |
413 | (when edeobj | |
414 | (princ "\n\nThis file's project include search is handled by the EDE object:\n") | |
415 | (princ " Buffer Target: ") | |
416 | (princ (object-print edeobj)) | |
417 | (princ "\n") | |
418 | (when (not (eq edeobj edeproj)) | |
419 | (princ " Buffer Project: ") | |
420 | (princ (object-print edeproj)) | |
421 | (princ "\n")) | |
422 | (when edeproj | |
423 | (let ((loc (ede-get-locator-object edeproj))) | |
424 | (princ " Backup Locator: ") | |
425 | (princ (object-print loc)) | |
426 | (princ "\n"))) | |
427 | ) | |
428 | ||
429 | (princ "\n\nThe system include path is:\n") | |
430 | (dolist (dir ip) | |
431 | (princ " ") | |
432 | (princ dir) | |
433 | (princ "\n")) | |
434 | ||
435 | (princ "\n\nInclude Summary: ") | |
436 | (princ (semanticdb-full-filename table)) | |
437 | (princ "\n\n") | |
438 | (princ (format "%s contains %d includes.\n" | |
439 | (file-name-nondirectory | |
440 | (semanticdb-full-filename table)) | |
441 | (length inc))) | |
442 | (let ((ok 0) | |
443 | (unknown 0) | |
444 | (unparsed 0) | |
445 | (all 0)) | |
446 | (dolist (i inc) | |
447 | (let* ((fileinner (semantic-dependency-tag-file i)) | |
448 | (tableinner (when fileinner | |
449 | (semanticdb-file-table-object fileinner t)))) | |
450 | (cond ((not fileinner) | |
451 | (setq unknown (1+ unknown))) | |
452 | ((number-or-marker-p (oref tableinner pointmax)) | |
453 | (setq ok (1+ ok))) | |
454 | (t | |
455 | (setq unparsed (1+ unparsed)))))) | |
456 | (setq all (+ ok unknown unparsed)) | |
457 | (when (not (= 0 all)) | |
458 | (princ (format " Unknown Includes: %d\n" unknown)) | |
459 | (princ (format " Unparsed Includes: %d\n" unparsed)) | |
460 | (princ (format " Parsed Includes: %d\n" ok))) | |
461 | ) | |
462 | ||
463 | ;; Unknowns... | |
464 | (if unk | |
465 | (progn | |
466 | (princ "\nA likely cause of an unfound tag is missing include files.") | |
467 | (semantic-analyzer-debug-insert-tag-list | |
468 | "The following includes were not found" unk) | |
469 | ||
470 | (princ "\nYou can fix the include path for ") | |
471 | (princ (symbol-name (oref table major-mode))) | |
472 | (princ " by using this function: | |
473 | ||
474 | M-x semantic-customize-system-include-path RET | |
475 | ||
476 | which customizes the mode specific variable for the mode-local | |
477 | variable `semantic-dependency-system-include-path'.") | |
478 | ) | |
479 | ||
480 | (princ "\n No unknown includes.\n")) | |
481 | )) | |
482 | ||
483 | (defun semantic-analyzer-debug-describe-scope (ctxt &optional classconstraint) | |
484 | "Describe the scope in CTXT for finding a global symbol. | |
485 | Optional argument CLASSCONSTRAINT says to output to tags of that class." | |
486 | (let* ((scope (oref ctxt :scope)) | |
487 | (parents (oref scope parents)) | |
488 | (cc (or classconstraint (oref ctxt prefixclass))) | |
489 | ) | |
490 | (princ "\nLocal Scope Information:") | |
491 | (princ "\n * Tag Class Constraint against SCOPE: ") | |
492 | (princ (format "%S" classconstraint)) | |
493 | ||
494 | (if parents | |
495 | (semantic-analyzer-debug-insert-tag-list | |
496 | " >> Known parent types with possible in scope symbols" | |
497 | parents) | |
498 | (princ "\n * No known parents in current scope.")) | |
499 | ||
500 | (let ((si (semantic-analyze-tags-of-class-list | |
501 | (oref scope scope) cc)) | |
502 | (lv (semantic-analyze-tags-of-class-list | |
503 | (oref scope localvar) cc)) | |
504 | ) | |
505 | (if si | |
506 | (semantic-analyzer-debug-insert-tag-list | |
507 | " >> Known symbols within the current scope" | |
508 | si) | |
509 | (princ "\n * No known symbols currently in scope.")) | |
510 | ||
511 | (if lv | |
512 | (semantic-analyzer-debug-insert-tag-list | |
513 | " >> Known symbols that are declared locally" | |
514 | lv) | |
515 | (princ "\n * No known symbols declared locally.")) | |
516 | ) | |
517 | ) | |
518 | ) | |
519 | ||
520 | (defun semantic-analyzer-debug-global-miss-text (name-in) | |
521 | "Use 'princ' to show text describing not finding symbol NAME-IN. | |
522 | NAME is the name of the unfound symbol." | |
523 | (let ((name (cond ((stringp name-in) | |
524 | name-in) | |
525 | ((semantic-tag-p name-in) | |
526 | (semantic-format-tag-name name-in)) | |
527 | (t (format "%S" name-in))))) | |
528 | (when (not (string= name "")) | |
529 | (princ "\nIf ") | |
530 | (princ name) | |
531 | (princ " is a local variable, argument, or symbol in some | |
532 | namespace or class exposed via scoping statements, then it should | |
533 | appear in the scope. | |
534 | ||
535 | Debugging the scope can be done with: | |
536 | M-x semantic-calculate-scope RET | |
537 | ||
538 | If the prefix is a global symbol, in an included file, then | |
539 | your search path may be incomplete. | |
540 | ")))) | |
541 | ||
542 | ;;; Utils | |
543 | ;; | |
544 | (defun semantic-analyzer-debug-insert-tag-list (text taglist) | |
545 | "Prefixing with TEXT, dump TAGLIST in a help buffer." | |
546 | (princ "\n") (princ text) (princ ":\n") | |
547 | ||
548 | (dolist (M taglist) | |
549 | (princ " ") | |
550 | ;;(princ (semantic-format-tag-prototype M)) | |
551 | (semantic-analyzer-debug-insert-tag M) | |
552 | (princ "\n")) | |
553 | ) | |
554 | ||
555 | (defun semantic-analyzer-debug-insert-tag (tag &optional parent) | |
556 | "Display a TAG by name, with possible jumpitude. | |
557 | PARENT is a possible parent (by nesting) tag." | |
558 | (let ((str (semantic-format-tag-prototype tag parent))) | |
559 | (if (and (semantic-tag-with-position-p tag) | |
560 | (semantic-tag-file-name tag)) | |
561 | (insert-button str | |
562 | 'mouse-face 'custom-button-pressed-face | |
563 | 'tag tag | |
564 | 'action | |
565 | `(lambda (button) | |
566 | (let ((buff nil) | |
567 | (pnt nil)) | |
568 | (save-excursion | |
569 | (semantic-go-to-tag | |
570 | (button-get button 'tag)) | |
571 | (setq buff (current-buffer)) | |
572 | (setq pnt (point))) | |
573 | (if (get-buffer-window buff) | |
574 | (select-window (get-buffer-window buff)) | |
575 | (pop-to-buffer buff t)) | |
576 | (goto-char pnt) | |
577 | (pulse-line-hook-function))) | |
578 | ) | |
579 | (princ "\"") | |
580 | (princ str) | |
581 | (princ "\"")) | |
582 | )) | |
583 | ||
584 | (defvar semantic-analyzer-debug-orig nil | |
585 | "The originating buffer for a help button.") | |
586 | ||
587 | (defun semantic-analyzer-debug-add-buttons () | |
588 | "Add push-buttons to the *Help* buffer. | |
589 | Look for key expressions, and add push-buttons near them." | |
590 | (let ((orig-buffer (make-marker))) | |
591 | (set-marker orig-buffer (point) (current-buffer)) | |
592 | (save-excursion | |
593 | ;; Get a buffer ready. | |
594 | (set-buffer "*Help*") | |
595 | (toggle-read-only -1) | |
596 | (goto-char (point-min)) | |
597 | (set (make-local-variable 'semantic-analyzer-debug-orig) orig-buffer) | |
598 | ;; First, add do-in buttons to recommendations. | |
599 | (while (re-search-forward "^\\s-*M-x \\(\\(\\w\\|\\s_\\)+\\) " nil t) | |
600 | (let ((fcn (match-string 1))) | |
601 | (when (not (fboundp (intern-soft fcn))) | |
602 | (error "Help Err: Can't find %s" fcn)) | |
603 | (end-of-line) | |
604 | (insert " ") | |
605 | (insert-button "[ Do It ]" | |
606 | 'mouse-face 'custom-button-pressed-face | |
607 | 'do-fcn fcn | |
608 | 'action `(lambda (arg) | |
609 | (let ((M semantic-analyzer-debug-orig)) | |
610 | (set-buffer (marker-buffer M)) | |
611 | (goto-char M)) | |
612 | (call-interactively (quote ,(intern-soft fcn)))) | |
613 | ) | |
614 | )) | |
615 | ;; Do something else? | |
616 | ||
617 | ;; Clean up the mess | |
618 | (toggle-read-only 1) | |
619 | (set-buffer-modified-p nil) | |
620 | ))) | |
621 | ||
622 | (provide 'semantic/analyze/debug) | |
623 | ||
3999968a | 624 | ;; arch-tag: 943db1e5-47e6-4bec-9989-78ebfadf0358 |
a6de3d1a | 625 | ;;; semantic/analyze/debug.el ends here |