From 4d603daa3a2276d98ac6749d1db8e327ff7c1f5f Mon Sep 17 00:00:00 2001
From: "Carsey, Jaben" </o=Intel/ou=Americas01/cn=Workers/cn=Carsey, Jaben>
Date: Thu, 29 Mar 2018 00:04:57 +0800
Subject: BaseTools: FdfParser and FdfParserLite share reg exp

FdfParser can share regular expression from FdfParserLite.
reduce overlap and reduce recompile of the same expression.
v2: fix missed replacement of Pattern with shared variable

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>
---
 BaseTools/Source/Python/Common/FdfParserLite.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'BaseTools/Source/Python/Common/FdfParserLite.py')

diff --git a/BaseTools/Source/Python/Common/FdfParserLite.py b/BaseTools/Source/Python/Common/FdfParserLite.py
index df287414db..806fdd8aa5 100644
--- a/BaseTools/Source/Python/Common/FdfParserLite.py
+++ b/BaseTools/Source/Python/Common/FdfParserLite.py
@@ -47,6 +47,8 @@ InputMacroDict = {}
 # All Macro values when parsing file, not replace existing Macro
 AllMacroList = []
 
+FileExtensionPattern = re.compile(r'([a-zA-Z][a-zA-Z0-9]*)')
+
 def GetRealFileLine (File, Line):
     
     InsertedLines = 0
@@ -2842,8 +2844,7 @@ class FdfParser(object):
             
         Ext = ""
         if self.__GetNextToken():
-            Pattern = re.compile(r'([a-zA-Z][a-zA-Z0-9]*)')
-            if Pattern.match(self.__Token):
+            if FileExtensionPattern.match(self.__Token):
                 Ext = self.__Token                            
                 return '.' + Ext    
             else:
-- 
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