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From: | Aaron Bentley |
Subject: | [Gnu-arch-users] [bug] Rx does not handle cut operator efficiently |
Date: | Tue, 18 May 2004 08:04:27 -0400 |
User-agent: | Mozilla Thunderbird 0.5 (X11/20040306) |
Tom Lord wrote:
The cut operator can work with just a simple DFA translation of aregexp -- and Rx supports that internally -- but it appears that the test for whether or not that optimization applies within the posixentry points doesn't know about `cut'. It's as if you had asked for a full set of `regmatch_t' values --- Rx is doing lots of backtracking work on every match.
I'm just buggooing this so we don't forget about it. Aaron
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