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757bf1df | 1 | /* Subclasses of diagnostic_path and diagnostic_event for analyzer diagnostics. |
7adcbafe | 2 | Copyright (C) 2019-2022 Free Software Foundation, Inc. |
757bf1df DM |
3 | Contributed by David Malcolm <dmalcolm@redhat.com>. |
4 | ||
5 | This file is part of GCC. | |
6 | ||
7 | GCC is free software; you can redistribute it and/or modify it | |
8 | under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 3, or (at your option) | |
10 | any later version. | |
11 | ||
12 | GCC is distributed in the hope that it will be useful, but | |
13 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with GCC; see the file COPYING3. If not see | |
19 | <http://www.gnu.org/licenses/>. */ | |
20 | ||
21 | #ifndef GCC_ANALYZER_CHECKER_PATH_H | |
22 | #define GCC_ANALYZER_CHECKER_PATH_H | |
23 | ||
75038aa6 DM |
24 | namespace ana { |
25 | ||
757bf1df DM |
26 | /* An enum for discriminating between the concrete subclasses of |
27 | checker_event. */ | |
28 | ||
29 | enum event_kind | |
30 | { | |
31 | EK_DEBUG, | |
32 | EK_CUSTOM, | |
33 | EK_STMT, | |
34 | EK_FUNCTION_ENTRY, | |
35 | EK_STATE_CHANGE, | |
36 | EK_START_CFG_EDGE, | |
37 | EK_END_CFG_EDGE, | |
38 | EK_CALL_EDGE, | |
39 | EK_RETURN_EDGE, | |
eb06fdd4 DM |
40 | EK_START_CONSOLIDATED_CFG_EDGES, |
41 | EK_END_CONSOLIDATED_CFG_EDGES, | |
757bf1df DM |
42 | EK_SETJMP, |
43 | EK_REWIND_FROM_LONGJMP, | |
44 | EK_REWIND_TO_SETJMP, | |
45 | EK_WARNING | |
46 | }; | |
47 | ||
48 | extern const char *event_kind_to_string (enum event_kind ek); | |
49 | ||
50 | /* Event subclasses. | |
51 | ||
52 | The class hierarchy looks like this (using indentation to show | |
53 | inheritance, and with event_kinds shown for the concrete subclasses): | |
54 | ||
55 | diagnostic_event | |
56 | checker_event | |
57 | debug_event (EK_DEBUG) | |
58 | custom_event (EK_CUSTOM) | |
86606d2a | 59 | precanned_custom_event |
757bf1df DM |
60 | statement_event (EK_STMT) |
61 | function_entry_event (EK_FUNCTION_ENTRY) | |
62 | state_change_event (EK_STATE_CHANGE) | |
63 | superedge_event | |
64 | cfg_edge_event | |
65 | start_cfg_edge_event (EK_START_CFG_EDGE) | |
66 | end_cfg_edge_event (EK_END_CFG_EDGE) | |
67 | call_event (EK_CALL_EDGE) | |
68 | return_edge (EK_RETURN_EDGE) | |
eb06fdd4 DM |
69 | start_consolidated_cfg_edges_event (EK_START_CONSOLIDATED_CFG_EDGES) |
70 | end_consolidated_cfg_edges_event (EK_END_CONSOLIDATED_CFG_EDGES) | |
757bf1df DM |
71 | setjmp_event (EK_SETJMP) |
72 | rewind_event | |
73 | rewind_from_longjmp_event (EK_REWIND_FROM_LONGJMP) | |
74 | rewind_to_setjmp_event (EK_REWIND_TO_SETJMP) | |
75 | warning_event (EK_WARNING). */ | |
76 | ||
77 | /* Abstract subclass of diagnostic_event; the base class for use in | |
78 | checker_path (the analyzer's diagnostic_path subclass). */ | |
79 | ||
80 | class checker_event : public diagnostic_event | |
81 | { | |
82 | public: | |
83 | checker_event (enum event_kind kind, | |
84 | location_t loc, tree fndecl, int depth) | |
85 | : m_kind (kind), m_loc (loc), m_fndecl (fndecl), m_depth (depth), | |
86 | m_pending_diagnostic (NULL), m_emission_id () | |
87 | { | |
88 | } | |
89 | ||
90 | /* Implementation of diagnostic_event. */ | |
91 | ||
92 | location_t get_location () const FINAL OVERRIDE { return m_loc; } | |
93 | tree get_fndecl () const FINAL OVERRIDE { return m_fndecl; } | |
94 | int get_stack_depth () const FINAL OVERRIDE { return m_depth; } | |
95 | ||
96 | /* Additional functionality. */ | |
97 | ||
757bf1df DM |
98 | virtual void prepare_for_emission (checker_path *, |
99 | pending_diagnostic *pd, | |
100 | diagnostic_event_id_t emission_id); | |
101 | virtual bool is_call_p () const { return false; } | |
102 | virtual bool is_function_entry_p () const { return false; } | |
103 | virtual bool is_return_p () const { return false; } | |
104 | ||
8069928d DM |
105 | /* For use with %@. */ |
106 | const diagnostic_event_id_t *get_id_ptr () const | |
107 | { | |
108 | return &m_emission_id; | |
109 | } | |
110 | ||
757bf1df DM |
111 | void dump (pretty_printer *pp) const; |
112 | ||
66dde7bc DM |
113 | void set_location (location_t loc) { m_loc = loc; } |
114 | ||
757bf1df DM |
115 | public: |
116 | const enum event_kind m_kind; | |
117 | protected: | |
118 | location_t m_loc; | |
119 | tree m_fndecl; | |
120 | int m_depth; | |
121 | pending_diagnostic *m_pending_diagnostic; | |
122 | diagnostic_event_id_t m_emission_id; // only set once all pruning has occurred | |
123 | }; | |
124 | ||
125 | /* A concrete event subclass for a purely textual event, for use in | |
126 | debugging path creation and filtering. */ | |
127 | ||
128 | class debug_event : public checker_event | |
129 | { | |
130 | public: | |
131 | debug_event (location_t loc, tree fndecl, int depth, | |
132 | const char *desc) | |
133 | : checker_event (EK_DEBUG, loc, fndecl, depth), | |
134 | m_desc (xstrdup (desc)) | |
135 | { | |
136 | } | |
137 | ~debug_event () | |
138 | { | |
139 | free (m_desc); | |
140 | } | |
141 | ||
142 | label_text get_desc (bool) const FINAL OVERRIDE; | |
143 | ||
757bf1df DM |
144 | private: |
145 | char *m_desc; | |
146 | }; | |
147 | ||
86606d2a | 148 | /* An abstract event subclass for custom events. These are not filtered, |
757bf1df DM |
149 | as they are likely to be pertinent to the diagnostic. */ |
150 | ||
151 | class custom_event : public checker_event | |
152 | { | |
86606d2a DM |
153 | protected: |
154 | custom_event (location_t loc, tree fndecl, int depth) | |
155 | : checker_event (EK_CUSTOM, loc, fndecl, depth) | |
156 | { | |
157 | } | |
158 | }; | |
159 | ||
160 | /* A concrete custom_event subclass with a precanned message. */ | |
161 | ||
162 | class precanned_custom_event : public custom_event | |
163 | { | |
757bf1df | 164 | public: |
86606d2a DM |
165 | precanned_custom_event (location_t loc, tree fndecl, int depth, |
166 | const char *desc) | |
167 | : custom_event (loc, fndecl, depth), | |
757bf1df DM |
168 | m_desc (xstrdup (desc)) |
169 | { | |
170 | } | |
86606d2a | 171 | ~precanned_custom_event () |
757bf1df DM |
172 | { |
173 | free (m_desc); | |
174 | } | |
175 | ||
176 | label_text get_desc (bool) const FINAL OVERRIDE; | |
177 | ||
757bf1df DM |
178 | private: |
179 | char *m_desc; | |
180 | }; | |
181 | ||
182 | /* A concrete event subclass describing the execution of a gimple statement, | |
183 | for use at high verbosity levels when debugging paths. */ | |
184 | ||
185 | class statement_event : public checker_event | |
186 | { | |
187 | public: | |
188 | statement_event (const gimple *stmt, tree fndecl, int depth, | |
189 | const program_state &dst_state); | |
190 | ||
191 | label_text get_desc (bool) const FINAL OVERRIDE; | |
192 | ||
757bf1df DM |
193 | const gimple * const m_stmt; |
194 | const program_state m_dst_state; | |
195 | }; | |
196 | ||
197 | /* An event subclass describing the entry to a function. */ | |
198 | ||
199 | class function_entry_event : public checker_event | |
200 | { | |
201 | public: | |
202 | function_entry_event (location_t loc, tree fndecl, int depth) | |
203 | : checker_event (EK_FUNCTION_ENTRY, loc, fndecl, depth) | |
204 | { | |
205 | } | |
206 | ||
207 | label_text get_desc (bool can_colorize) const FINAL OVERRIDE; | |
208 | ||
757bf1df DM |
209 | bool is_function_entry_p () const FINAL OVERRIDE { return true; } |
210 | }; | |
211 | ||
212 | /* Subclass of checker_event describing a state change. */ | |
213 | ||
214 | class state_change_event : public checker_event | |
215 | { | |
216 | public: | |
217 | state_change_event (const supernode *node, const gimple *stmt, | |
218 | int stack_depth, | |
219 | const state_machine &sm, | |
808f4dfe | 220 | const svalue *sval, |
757bf1df DM |
221 | state_machine::state_t from, |
222 | state_machine::state_t to, | |
808f4dfe | 223 | const svalue *origin, |
757bf1df DM |
224 | const program_state &dst_state); |
225 | ||
226 | label_text get_desc (bool can_colorize) const FINAL OVERRIDE; | |
227 | ||
808f4dfe | 228 | function *get_dest_function () const |
757bf1df | 229 | { |
808f4dfe | 230 | return m_dst_state.get_current_function (); |
757bf1df DM |
231 | } |
232 | ||
233 | const supernode *m_node; | |
234 | const gimple *m_stmt; | |
235 | const state_machine &m_sm; | |
808f4dfe | 236 | const svalue *m_sval; |
757bf1df DM |
237 | state_machine::state_t m_from; |
238 | state_machine::state_t m_to; | |
808f4dfe | 239 | const svalue *m_origin; |
757bf1df DM |
240 | program_state m_dst_state; |
241 | }; | |
242 | ||
243 | /* Subclass of checker_event; parent class for subclasses that relate to | |
244 | a superedge. */ | |
245 | ||
246 | class superedge_event : public checker_event | |
247 | { | |
248 | public: | |
249 | /* Mark this edge event as being either an interprocedural call or | |
250 | return in which VAR is in STATE, and that this is critical to the | |
251 | diagnostic (so that get_desc can attempt to get a better description | |
252 | from any pending_diagnostic). */ | |
253 | void record_critical_state (tree var, state_machine::state_t state) | |
254 | { | |
255 | m_var = var; | |
256 | m_critical_state = state; | |
257 | } | |
258 | ||
259 | const callgraph_superedge& get_callgraph_superedge () const; | |
260 | ||
261 | bool should_filter_p (int verbosity) const; | |
262 | ||
263 | protected: | |
264 | superedge_event (enum event_kind kind, const exploded_edge &eedge, | |
265 | location_t loc, tree fndecl, int depth); | |
266 | ||
267 | public: | |
268 | const exploded_edge &m_eedge; | |
269 | const superedge *m_sedge; | |
270 | tree m_var; | |
271 | state_machine::state_t m_critical_state; | |
272 | }; | |
273 | ||
274 | /* An abstract event subclass for when a CFG edge is followed; it has two | |
275 | subclasses, representing the start of the edge and the end of the | |
276 | edge, which come in pairs. */ | |
277 | ||
278 | class cfg_edge_event : public superedge_event | |
279 | { | |
280 | public: | |
281 | const cfg_superedge& get_cfg_superedge () const; | |
282 | ||
283 | protected: | |
284 | cfg_edge_event (enum event_kind kind, const exploded_edge &eedge, | |
285 | location_t loc, tree fndecl, int depth); | |
286 | }; | |
287 | ||
288 | /* A concrete event subclass for the start of a CFG edge | |
289 | e.g. "following 'false' branch...'. */ | |
290 | ||
291 | class start_cfg_edge_event : public cfg_edge_event | |
292 | { | |
293 | public: | |
294 | start_cfg_edge_event (const exploded_edge &eedge, | |
295 | location_t loc, tree fndecl, int depth) | |
296 | : cfg_edge_event (EK_START_CFG_EDGE, eedge, loc, fndecl, depth) | |
297 | { | |
298 | } | |
299 | ||
300 | label_text get_desc (bool can_colorize) const FINAL OVERRIDE; | |
301 | ||
757bf1df DM |
302 | private: |
303 | label_text maybe_describe_condition (bool can_colorize) const; | |
304 | ||
305 | static label_text maybe_describe_condition (bool can_colorize, | |
306 | tree lhs, | |
307 | enum tree_code op, | |
308 | tree rhs); | |
309 | static bool should_print_expr_p (tree); | |
310 | }; | |
311 | ||
312 | /* A concrete event subclass for the end of a CFG edge | |
313 | e.g. "...to here'. */ | |
314 | ||
315 | class end_cfg_edge_event : public cfg_edge_event | |
316 | { | |
317 | public: | |
318 | end_cfg_edge_event (const exploded_edge &eedge, | |
319 | location_t loc, tree fndecl, int depth) | |
320 | : cfg_edge_event (EK_END_CFG_EDGE, eedge, loc, fndecl, depth) | |
321 | { | |
322 | } | |
323 | ||
324 | label_text get_desc (bool /*can_colorize*/) const FINAL OVERRIDE | |
325 | { | |
326 | return label_text::borrow ("...to here"); | |
327 | } | |
757bf1df DM |
328 | }; |
329 | ||
330 | /* A concrete event subclass for an interprocedural call. */ | |
331 | ||
332 | class call_event : public superedge_event | |
333 | { | |
334 | public: | |
335 | call_event (const exploded_edge &eedge, | |
336 | location_t loc, tree fndecl, int depth); | |
337 | ||
338 | label_text get_desc (bool can_colorize) const FINAL OVERRIDE; | |
339 | ||
757bf1df | 340 | bool is_call_p () const FINAL OVERRIDE; |
aef703cf AS |
341 | |
342 | const supernode *m_src_snode; | |
343 | const supernode *m_dest_snode; | |
757bf1df DM |
344 | }; |
345 | ||
346 | /* A concrete event subclass for an interprocedural return. */ | |
347 | ||
348 | class return_event : public superedge_event | |
349 | { | |
350 | public: | |
351 | return_event (const exploded_edge &eedge, | |
352 | location_t loc, tree fndecl, int depth); | |
353 | ||
354 | label_text get_desc (bool can_colorize) const FINAL OVERRIDE; | |
355 | ||
757bf1df | 356 | bool is_return_p () const FINAL OVERRIDE; |
aef703cf AS |
357 | |
358 | const supernode *m_src_snode; | |
359 | const supernode *m_dest_snode; | |
757bf1df DM |
360 | }; |
361 | ||
eb06fdd4 DM |
362 | /* A concrete event subclass for the start of a consolidated run of CFG |
363 | edges all either TRUE or FALSE e.g. "following 'false' branch...'. */ | |
364 | ||
365 | class start_consolidated_cfg_edges_event : public checker_event | |
366 | { | |
367 | public: | |
368 | start_consolidated_cfg_edges_event (location_t loc, tree fndecl, int depth, | |
369 | bool edge_sense) | |
370 | : checker_event (EK_START_CONSOLIDATED_CFG_EDGES, loc, fndecl, depth), | |
371 | m_edge_sense (edge_sense) | |
372 | { | |
373 | } | |
374 | ||
375 | label_text get_desc (bool can_colorize) const FINAL OVERRIDE; | |
376 | ||
377 | private: | |
378 | bool m_edge_sense; | |
379 | }; | |
380 | ||
381 | /* A concrete event subclass for the end of a consolidated run of | |
382 | CFG edges e.g. "...to here'. */ | |
383 | ||
384 | class end_consolidated_cfg_edges_event : public checker_event | |
385 | { | |
386 | public: | |
387 | end_consolidated_cfg_edges_event (location_t loc, tree fndecl, int depth) | |
388 | : checker_event (EK_END_CONSOLIDATED_CFG_EDGES, loc, fndecl, depth) | |
389 | { | |
390 | } | |
391 | ||
392 | label_text get_desc (bool /*can_colorize*/) const FINAL OVERRIDE | |
393 | { | |
394 | return label_text::borrow ("...to here"); | |
395 | } | |
396 | }; | |
397 | ||
342e14ff | 398 | /* A concrete event subclass for a setjmp or sigsetjmp call. */ |
757bf1df DM |
399 | |
400 | class setjmp_event : public checker_event | |
401 | { | |
402 | public: | |
403 | setjmp_event (location_t loc, const exploded_node *enode, | |
342e14ff | 404 | tree fndecl, int depth, const gcall *setjmp_call) |
757bf1df | 405 | : checker_event (EK_SETJMP, loc, fndecl, depth), |
342e14ff | 406 | m_enode (enode), m_setjmp_call (setjmp_call) |
757bf1df DM |
407 | { |
408 | } | |
409 | ||
757bf1df DM |
410 | label_text get_desc (bool can_colorize) const FINAL OVERRIDE; |
411 | ||
412 | void prepare_for_emission (checker_path *path, | |
413 | pending_diagnostic *pd, | |
414 | diagnostic_event_id_t emission_id) FINAL OVERRIDE; | |
415 | ||
416 | private: | |
417 | const exploded_node *m_enode; | |
342e14ff | 418 | const gcall *m_setjmp_call; |
757bf1df DM |
419 | }; |
420 | ||
342e14ff DM |
421 | /* An abstract event subclass for rewinding from a longjmp to a setjmp |
422 | (or siglongjmp to sigsetjmp). | |
423 | ||
757bf1df DM |
424 | Base class for two from/to subclasses, showing the two halves of the |
425 | rewind. */ | |
426 | ||
427 | class rewind_event : public checker_event | |
428 | { | |
429 | public: | |
430 | tree get_longjmp_caller () const; | |
431 | tree get_setjmp_caller () const; | |
432 | const exploded_edge *get_eedge () const { return m_eedge; } | |
433 | ||
434 | protected: | |
435 | rewind_event (const exploded_edge *eedge, | |
436 | enum event_kind kind, | |
342e14ff DM |
437 | location_t loc, tree fndecl, int depth, |
438 | const rewind_info_t *rewind_info); | |
439 | const rewind_info_t *m_rewind_info; | |
757bf1df DM |
440 | |
441 | private: | |
442 | const exploded_edge *m_eedge; | |
443 | }; | |
444 | ||
445 | /* A concrete event subclass for rewinding from a longjmp to a setjmp, | |
342e14ff | 446 | showing the longjmp (or siglongjmp). */ |
757bf1df DM |
447 | |
448 | class rewind_from_longjmp_event : public rewind_event | |
449 | { | |
450 | public: | |
451 | rewind_from_longjmp_event (const exploded_edge *eedge, | |
342e14ff DM |
452 | location_t loc, tree fndecl, int depth, |
453 | const rewind_info_t *rewind_info) | |
454 | : rewind_event (eedge, EK_REWIND_FROM_LONGJMP, loc, fndecl, depth, | |
455 | rewind_info) | |
757bf1df DM |
456 | { |
457 | } | |
458 | ||
459 | label_text get_desc (bool can_colorize) const FINAL OVERRIDE; | |
757bf1df DM |
460 | }; |
461 | ||
462 | /* A concrete event subclass for rewinding from a longjmp to a setjmp, | |
342e14ff | 463 | showing the setjmp (or sigsetjmp). */ |
757bf1df DM |
464 | |
465 | class rewind_to_setjmp_event : public rewind_event | |
466 | { | |
467 | public: | |
468 | rewind_to_setjmp_event (const exploded_edge *eedge, | |
469 | location_t loc, tree fndecl, int depth, | |
470 | const rewind_info_t *rewind_info) | |
342e14ff DM |
471 | : rewind_event (eedge, EK_REWIND_TO_SETJMP, loc, fndecl, depth, |
472 | rewind_info) | |
757bf1df DM |
473 | { |
474 | } | |
475 | ||
476 | label_text get_desc (bool can_colorize) const FINAL OVERRIDE; | |
477 | ||
757bf1df DM |
478 | void prepare_for_emission (checker_path *path, |
479 | pending_diagnostic *pd, | |
480 | diagnostic_event_id_t emission_id) FINAL OVERRIDE; | |
481 | ||
482 | private: | |
483 | diagnostic_event_id_t m_original_setjmp_event_id; | |
757bf1df DM |
484 | }; |
485 | ||
486 | /* Concrete subclass of checker_event for use at the end of a path: | |
487 | a repeat of the warning message at the end of the path (perhaps with | |
488 | references to pertinent events that occurred on the way), at the point | |
489 | where the problem occurs. */ | |
490 | ||
491 | class warning_event : public checker_event | |
492 | { | |
493 | public: | |
494 | warning_event (location_t loc, tree fndecl, int depth, | |
495 | const state_machine *sm, | |
496 | tree var, state_machine::state_t state) | |
497 | : checker_event (EK_WARNING, loc, fndecl, depth), | |
498 | m_sm (sm), m_var (var), m_state (state) | |
499 | { | |
500 | } | |
501 | ||
502 | label_text get_desc (bool can_colorize) const FINAL OVERRIDE; | |
503 | ||
757bf1df DM |
504 | private: |
505 | const state_machine *m_sm; | |
506 | tree m_var; | |
507 | state_machine::state_t m_state; | |
508 | }; | |
509 | ||
510 | /* Subclass of diagnostic_path for analyzer diagnostics. */ | |
511 | ||
512 | class checker_path : public diagnostic_path | |
513 | { | |
514 | public: | |
515 | checker_path () : diagnostic_path () {} | |
516 | ||
517 | /* Implementation of diagnostic_path vfuncs. */ | |
518 | ||
519 | unsigned num_events () const FINAL OVERRIDE | |
520 | { | |
521 | return m_events.length (); | |
522 | } | |
523 | ||
524 | const diagnostic_event & get_event (int idx) const FINAL OVERRIDE | |
525 | { | |
526 | return *m_events[idx]; | |
527 | } | |
528 | ||
e2a538b1 DM |
529 | checker_event *get_checker_event (int idx) |
530 | { | |
531 | return m_events[idx]; | |
532 | } | |
533 | ||
757bf1df DM |
534 | void dump (pretty_printer *pp) const; |
535 | void debug () const; | |
536 | ||
537 | void maybe_log (logger *logger, const char *desc) const; | |
538 | ||
539 | void add_event (checker_event *event) | |
540 | { | |
541 | m_events.safe_push (event); | |
542 | } | |
543 | ||
544 | void delete_event (int idx) | |
545 | { | |
546 | checker_event *event = m_events[idx]; | |
547 | m_events.ordered_remove (idx); | |
548 | delete event; | |
549 | } | |
550 | ||
eb06fdd4 DM |
551 | void delete_events (unsigned start_idx, unsigned len) |
552 | { | |
553 | for (unsigned i = start_idx; i < start_idx + len; i++) | |
554 | delete m_events[i]; | |
555 | m_events.block_remove (start_idx, len); | |
556 | } | |
557 | ||
558 | void replace_event (unsigned idx, checker_event *new_event) | |
559 | { | |
560 | delete m_events[idx]; | |
561 | m_events[idx] = new_event; | |
562 | } | |
563 | ||
757bf1df DM |
564 | void add_final_event (const state_machine *sm, |
565 | const exploded_node *enode, const gimple *stmt, | |
566 | tree var, state_machine::state_t state); | |
567 | ||
568 | /* After all event-pruning, a hook for notifying each event what | |
569 | its ID will be. The events are notified in order, allowing | |
570 | for later events to refer to the IDs of earlier events in | |
571 | their descriptions. */ | |
572 | void prepare_for_emission (pending_diagnostic *pd) | |
573 | { | |
574 | checker_event *e; | |
575 | int i; | |
576 | FOR_EACH_VEC_ELT (m_events, i, e) | |
577 | e->prepare_for_emission (this, pd, diagnostic_event_id_t (i)); | |
578 | } | |
579 | ||
66dde7bc DM |
580 | void fixup_locations (pending_diagnostic *pd); |
581 | ||
757bf1df DM |
582 | void record_setjmp_event (const exploded_node *enode, |
583 | diagnostic_event_id_t setjmp_emission_id) | |
584 | { | |
585 | m_setjmp_event_ids.put (enode, setjmp_emission_id); | |
586 | } | |
587 | ||
588 | bool get_setjmp_event (const exploded_node *enode, | |
589 | diagnostic_event_id_t *out_emission_id) | |
590 | { | |
591 | if (diagnostic_event_id_t *emission_id = m_setjmp_event_ids.get (enode)) | |
592 | { | |
593 | *out_emission_id = *emission_id; | |
594 | return true; | |
595 | } | |
596 | return false; | |
597 | } | |
598 | ||
eb06fdd4 DM |
599 | bool cfg_edge_pair_at_p (unsigned idx) const; |
600 | ||
e2a538b1 DM |
601 | private: |
602 | DISABLE_COPY_AND_ASSIGN(checker_path); | |
603 | ||
757bf1df DM |
604 | /* The events that have occurred along this path. */ |
605 | auto_delete_vec<checker_event> m_events; | |
606 | ||
607 | /* During prepare_for_emission (and after), the setjmp_event for each | |
608 | exploded_node *, so that rewind events can refer to them in their | |
609 | descriptions. */ | |
610 | hash_map <const exploded_node *, diagnostic_event_id_t> m_setjmp_event_ids; | |
611 | }; | |
612 | ||
75038aa6 DM |
613 | } // namespace ana |
614 | ||
757bf1df | 615 | #endif /* GCC_ANALYZER_CHECKER_PATH_H */ |