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Overview
| Comment: | Cleaner error handling in fixempties(). |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | core-8-5-branch |
| Files: | files | file ages | folders |
| SHA1: |
8577d952c44a097bb70192a445016fa7 |
| User & Date: | dgp 2013-03-06 21:54:37 |
Context
|
2013-03-11
| ||
| 17:37 | Greater protection against double TclFreeObj() calls in TCL_MEM_DEBUG mode. check-in: 3474bcc2db user: dgp tags: core-8-5-branch | |
|
2013-03-06
| ||
| 21:55 | Cleaner error handling in fixempties(). check-in: c769b9bb91 user: dgp tags: trunk | |
| 21:54 | Cleaner error handling in fixempties(). check-in: 8577d952c4 user: dgp tags: core-8-5-branch | |
| 21:51 | Cleaner error handling in fixempties(). check-in: ee7549bebd user: dgp tags: core-8-4-branch | |
| 20:28 | 3604074,3606683 Rewrite of the fixempties() routine (and supporting routines) to completely eliminat... check-in: 71a42e2a9c user: dgp tags: core-8-5-branch | |
Changes
Changes to generic/regc_nfa.c.
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/* Reset the tmp fields as we walk back */
nexts = s2->tmp;
s2->tmp = NULL;
}
s->tmp = NULL;
}
/*
* Remove all the EMPTY arcs, since we don't need them anymore.
*/
for (s = nfa->states; s != NULL; s = s->next) {
for (a = s->outs; a != NULL; a = nexta) {
nexta = a->outchain;
if (a->type == EMPTY) {
freearc(nfa, a);
}
}
}
/*
* And remove any states that have become useless. (This cleanup is
* not very thorough, and would be even less so if we tried to
* combine it with the previous step; but cleanup() will take care
* of anything we miss.)
*/
| > > > | | | 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 |
/* Reset the tmp fields as we walk back */
nexts = s2->tmp;
s2->tmp = NULL;
}
s->tmp = NULL;
}
if (NISERR()) {
return;
}
/*
* Remove all the EMPTY arcs, since we don't need them anymore.
*/
for (s = nfa->states; s != NULL; s = s->next) {
for (a = s->outs; a != NULL; a = nexta) {
nexta = a->outchain;
if (a->type == EMPTY) {
freearc(nfa, a);
}
}
}
/*
* And remove any states that have become useless. (This cleanup is
* not very thorough, and would be even less so if we tried to
* combine it with the previous step; but cleanup() will take care
* of anything we miss.)
*/
for (s = nfa->states; s != NULL; s = nexts) {
nexts = s->next;
if ((s->nins == 0 || s->nouts == 0) && !s->flag) {
dropstate(nfa, s);
}
}
if (f != NULL) {
dumpnfa(nfa, f);
}
}
/*
- emptyreachable - recursively find all states reachable from s by EMPTY arcs
* The return value is the last such state found. Its tmp field links back
|
| ︙ | ︙ |