Created on 2010-06-30 21:18 by arigo, last changed 2010-07-01 08:33 by arigo.
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| File name | Uploaded | Description | Edit | |
| x.py | arigo, 2010-06-30 21:18 | Bug case | ||
| Messages (2) | |||
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| msg109019 - (view) | Author: Armin Rigo (arigo) *  |
Date: 2010-06-30 21:18 | |
The re module is buggy is rare cases; see attached example script.
The bug is caused by the macros LASTMARK_SAVE and LASTMARK_RESTORE which are sometimes used without the extra code that does if (state->repeat) {mark_save()/mark_restore()}.
The bug appears by mis-reporting the position of groups within a repeated match (with * or +), notably the position of some groups that matched in older repetitions but (after some backtracking) not in newer ones.
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| msg109034 - (view) | Author: Armin Rigo (arigo) * |
Date: 2010-07-01 08:33 | |
It's pretty trivial to turn my x.py into a unit test, of course. |
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| History | |||
|---|---|---|---|
| Date | User | Action | Args |
| 2010-07-01 08:33:59 | arigo | set | messages: + msg109034 |
| 2010-06-30 22:03:48 | ezio.melotti | set | nosy:
+ ezio.melotti type: behavior components: + Regular Expressions stage: test needed |
| 2010-06-30 21:18:56 | arigo | create | |