From: John Benediktsson <mrjbq7@gmail.com>
Date: Tue, 9 Aug 2022 00:43:13 +0000 (-0700)
Subject: xmode.marker: caching match group regexps for performance
X-Git-Tag: 0.99~1154
X-Git-Url: https://gitweb.factorcode.org/gitweb.cgi?p=factor.git;a=commitdiff_plain;h=528de2849f6e31f45750b5276bec49123df03f58

xmode.marker: caching match group regexps for performance
---

diff --git a/basis/xmode/marker/marker.factor b/basis/xmode/marker/marker.factor
index 05e93b6154..4ecfa9b796 100644
--- a/basis/xmode/marker/marker.factor
+++ b/basis/xmode/marker/marker.factor
@@ -102,7 +102,7 @@ M: regexp text-matches?
 : match-group-regexp ( regexp n -- skip-regexp match-regexp )
     [ [ options>> options>string ] [ raw>> ] bi ] dip
     CHAR: ( pick nth-index cut CHAR: ) over index 1 + head
-    rot '[ _ <optioned-regexp> ] bi@ ;
+    rot '[ H{ } [ _ <optioned-regexp> ] cache ] bi@ ;
 
 : skip-first-match ( match regexp -- tailseq )
     first-match [ seq>> ] [ to>> ] bi tail ;