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BaseTools: Use precompiled RegExp 

avoid recompiling the regular expression for each use in a while loop

Cc: Yonghong Zhu <yonghong.zhu@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Jaben Carsey <jaben.carsey@intel.com>
Reviewed-by: Yonghong Zhu <yonghong.zhu@intel.com>
This commit is contained in:
Carsey, Jaben 2018-03-17 07:27:44 +08:00 committed by Yonghong Zhu
parent b1a9e404d4
commit 018f7b827f
1 changed files with 4 additions and 3 deletions
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7
BaseTools/Source/Python/AutoGen/UniClassObject.py
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@ -4,7 +4,7 @@
#
# Copyright (c) 2014 Hewlett-Packard Development Company, L.P.<BR>
#
# Copyright (c) 2007 - 2016, Intel Corporation. All rights reserved.<BR>
# Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
# This program and the accompanying materials
# are licensed and made available under the terms and conditions of the BSD License
# which accompanies this distribution. The full text of the license may be found at
@ -24,6 +24,7 @@ from Common.BuildToolError import *
from Common.String import GetLineNo
from Common.Misc import PathClass
from Common.LongFilePathSupport import LongFilePath
from Common.GlobalData import *
##
# Static definitions
#
@ -436,11 +437,11 @@ class UniFileClassObject(object):
while (StartPos != -1):
EndPos = Line.find(u'\\', StartPos + 1, StartPos + 7)
if EndPos != -1 and EndPos - StartPos == 6 :
if re.match('[a-fA-F0-9]{4}', Line[StartPos + 2 : EndPos], re.UNICODE):
if g4HexChar.match(Line[StartPos + 2 : EndPos], re.UNICODE):
EndStr = Line[EndPos: ]
UniStr = ('\u' + (Line[StartPos + 2 : EndPos])).decode('unicode_escape')
if EndStr.startswith(u'\\x') and len(EndStr) >= 7:
if EndStr[6] == u'\\' and re.match('[a-fA-F0-9]{4}', EndStr[2 : 6], re.UNICODE):
if EndStr[6] == u'\\' and g4HexChar.match(EndStr[2 : 6], re.UNICODE):
Line = Line[0 : StartPos] + UniStr + EndStr
else:
Line = Line[0 : StartPos] + UniStr + EndStr[1:]