# HG changeset patch
# User Boris Feld <boris.f...@octobus.net>
# Date 1542903949 -3600
# Thu Nov 22 17:25:49 2018 +0100
# Node ID 4fa131d8a4d7d2aea452994458eb088e9e997df4
# Parent 1fccf5fa1c8a65654083c85107649124f0721ffe
# EXP-Topic perf-ignore
# Available At https://bitbucket.org/octobus/mercurial-devel/
# hg pull https://bitbucket.org/octobus/mercurial-devel/ -r
4fa131d8a4d7
match: extract function that group regexps
diff --git a/mercurial/match.py b/mercurial/match.py
--- a/mercurial/match.py
+++ b/mercurial/match.py
@@ -1186,6 +1186,10 @@ def _buildmatch(kindpats, globsuffix, li
MAX_RE_SIZE = 20000
+def _joinregexes(regexps):
+ """gather multiple regular expressions into a single one"""
+ return '(?:%s)' % '|'.join(regexps)
+
def _buildregexmatch(kindpats, globsuffix):
"""Build a match function from a list of kinds and kindpats,
return regexp string and a matcher function.
@@ -1199,8 +1203,8 @@ def _buildregexmatch(kindpats, globsuffi
OverflowError
"""
try:
- regex = '(?:%s)' % '|'.join([_regex(k, p, globsuffix)
- for (k, p, s) in kindpats])
+ regex = _joinregexes([_regex(k, p, globsuffix)
+ for (k, p, s) in kindpats])
if len(regex) > MAX_RE_SIZE:
raise OverflowError
return regex, _rematcher(regex)
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