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| author | SKO <41810398+uyw4687@users.noreply.github.com> | 2023-08-16 07:43:45 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2023-08-16 07:43:45 (GMT) |
| commit | abd9cc52d94b8e2835322b62c29f09bb0e6fcfe9 (patch) | |
| tree | 252a5f9d86fa4746cf7615ab7e6f16ceb12dede5 /Lib/re | |
| parent | a86df298df5b02e2d69ea6879e9ed10a7adb85d0 (diff) | |
| download | cpython-abd9cc52d94b8e2835322b62c29f09bb0e6fcfe9.zip cpython-abd9cc52d94b8e2835322b62c29f09bb0e6fcfe9.tar.gz cpython-abd9cc52d94b8e2835322b62c29f09bb0e6fcfe9.tar.bz2 | |
gh-100061: Proper fix of the bug in the matching of possessive quantifiers (GH-102612)
Restore the global Input Stream pointer after trying to match a sub-pattern.
Co-authored-by: Ma Lin <animalize@users.noreply.github.com>
Diffstat (limited to 'Lib/re')
| -rw-r--r-- | Lib/re/_compiler.py | 7 |
1 files changed, 0 insertions, 7 deletions
diff --git a/Lib/re/_compiler.py b/Lib/re/_compiler.py index f5fd160..d0a4c55 100644 --- a/Lib/re/_compiler.py +++ b/Lib/re/_compiler.py @@ -100,13 +100,6 @@ def _compile(code, pattern, flags): emit(ANY_ALL) else: emit(ANY) - elif op is POSSESSIVE_REPEAT: - # gh-106052: Possessive quantifiers do not work when the - # subpattern contains backtracking, i.e. "(?:ab?c)*+". - # Implement it as equivalent greedy qualifier in atomic group. - p = [(MAX_REPEAT, av)] - p = [(ATOMIC_GROUP, p)] - _compile(code, p, flags) elif op in REPEATING_CODES: if _simple(av[2]): emit(REPEATING_CODES[op][2]) |