Now re.error is raised instead of OverflowError or RuntimeError for
too large width of look-behind pattern.
The limit is increased to 2**32-1 (was 2**31-1).
(cherry picked from commit e2b3d831fd)
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
Restore the global Input Stream pointer after trying to match a sub-pattern.
Co-authored-by: Ma Lin <animalize@users.noreply.github.com>
(cherry picked from commit abd9cc52d9)
Co-authored-by: SKO <41810398+uyw4687@users.noreply.github.com>
It did not work in the case of a subpattern containing backtracking.
Temporary implement possessive quantifiers as equivalent greedy qualifiers
in atomic groups.
(cherry picked from commit 7b6e34e5ba)
Revert "bpo-23689: re module, fix memory leak when a match is terminated by a signal or memory allocation failure (GH-32283)"
This reverts commit 6e3eee5c11.
Manual fixups to increase the MAGIC number and to handle conflicts with
a couple of changes that landed after that.
Thanks for reviews by Ma Lin and Serhiy Storchaka.
(cherry picked from commit 4beee0c7b0)
Co-authored-by: Gregory P. Smith <greg@krypto.org>
Revert "bpo-47211: Remove function re.template() and flag re.TEMPLATE (GH-32300)"
This reverts commit b09184bf05.
(cherry picked from commit 16a7e4a0b7)
Co-authored-by: Miro Hrončok <miro@hroncok.cz>
It was initially added to support atomic groups, but that
support was never fully implemented, and CALL was only left
in the compiler, but not interpreter and parser.
ATOMIC_GROUP is now used to support atomic groups.