changeset: 76721:90b4c2d7c90d
user: Victor Stinner <victor.stinner@gmail.com>
date: Thu May 03 01:44:59 2012 +0200
files: Objects/unicodeobject.c
description:
Issue #14687: Optimize str%tuple for the "%(name)s" syntax
Avoid an useless and expensive call to PyUnicode_READ().
diff -r 8635825b9734 -r 90b4c2d7c90d Objects/unicodeobject.c
--- a/Objects/unicodeobject.c	Wed May 02 20:51:59 2012 +0200
+++ b/Objects/unicodeobject.c	Thu May 03 01:44:59 2012 +0200
@@ -13737,9 +13737,10 @@
 keystart = fmtpos;
 /* Skip over balanced parentheses */
 while (pcount> 0 && --fmtcnt>= 0) {
- if (PyUnicode_READ(fmtkind, fmt, fmtpos) == ')')
+ c = PyUnicode_READ(fmtkind, fmt, fmtpos);
+ if (c == ')')
 --pcount;
- else if (PyUnicode_READ(fmtkind, fmt, fmtpos) == '(')
+ else if (c == '(')
 ++pcount;
 fmtpos++;
 }
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