move to the root of the file and dont recompile.

Cc: Liming Gao <liming.gao@intel.com>
Cc: Yonghong Zhu <yonghong.zhu@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Jaben Carsey <jaben.carsey@intel.com>
---
 BaseTools/Source/Python/Common/Expression.py | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/BaseTools/Source/Python/Common/Expression.py b/BaseTools/Source/Python/Common/Expression.py
index 3f2b43118553..340c50ebe00f 100644
--- a/BaseTools/Source/Python/Common/Expression.py
+++ b/BaseTools/Source/Python/Common/Expression.py
@@ -41,6 +41,8 @@ ERR_EMPTY_EXPR          = 'Empty expression is not allowed.'
 ERR_IN_OPERAND          = 'Macro after IN operator can only be: $(FAMILY), $(ARCH), $(TOOL_CHAIN_TAG) and $(TARGET).'
 
 __ValidString = re.compile(r'[_a-zA-Z][_0-9a-zA-Z]*$')
+_ReLabel = re.compile('LABEL\((\w+)\)')
+_ReOffset = re.compile('OFFSET_OF\((\w+)\)')
 
 ## SplitString
 #  Split string to list according double quote
@@ -853,13 +855,11 @@ class ValueExpressionEx(ValueExpression):
                         PcdValueList = SplitPcdValueString(PcdValue.strip()[1:-1])
                         LabelDict = {}
                         NewPcdValueList = []
-                        ReLabel = re.compile('LABEL\((\w+)\)')
-                        ReOffset = re.compile('OFFSET_OF\((\w+)\)')
                         LabelOffset = 0
                         for Index, Item in enumerate(PcdValueList):
                             # compute byte offset of every LABEL
-                            LabelList = ReLabel.findall(Item)
-                            Item = ReLabel.sub('', Item)
+                            LabelList = _ReLabel.findall(Item)
+                            Item = _ReLabel.sub('', Item)
                             Item = Item.strip()
                             if LabelList:
                                 for Label in LabelList:
@@ -886,11 +886,11 @@ class ValueExpressionEx(ValueExpression):
                             # for LABEL parse
                             Item = Item.strip()
                             try:
-                                Item = ReLabel.sub('', Item)
+                                Item = _ReLabel.sub('', Item)
                             except:
                                 pass
                             try:
-                                OffsetList = ReOffset.findall(Item)
+                                OffsetList = _ReOffset.findall(Item)
                             except:
                                 pass
                             for Offset in OffsetList:
-- 
2.16.2.windows.1

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Reviewed-by: Yonghong Zhu <yonghong.zhu@intel.com> 

Best Regards,
Zhu Yonghong


-----Original Message-----
From: Carsey, Jaben 
Sent: Wednesday, March 28, 2018 7:43 AM
To: edk2-devel@lists.01.org
Cc: Gao, Liming <liming.gao@intel.com>; Zhu, Yonghong <yonghong.zhu@intel.com>
Subject: [PATCH v1 3/4] BaseTools: move regular expression compile out of function call.

move to the root of the file and dont recompile.

Cc: Liming Gao <liming.gao@intel.com>
Cc: Yonghong Zhu <yonghong.zhu@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Jaben Carsey <jaben.carsey@intel.com>
---
 BaseTools/Source/Python/Common/Expression.py | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/BaseTools/Source/Python/Common/Expression.py b/BaseTools/Source/Python/Common/Expression.py
index 3f2b43118553..340c50ebe00f 100644
--- a/BaseTools/Source/Python/Common/Expression.py
+++ b/BaseTools/Source/Python/Common/Expression.py
@@ -41,6 +41,8 @@ ERR_EMPTY_EXPR          = 'Empty expression is not allowed.'
 ERR_IN_OPERAND          = 'Macro after IN operator can only be: $(FAMILY), $(ARCH), $(TOOL_CHAIN_TAG) and $(TARGET).'
 
 __ValidString = re.compile(r'[_a-zA-Z][_0-9a-zA-Z]*$')
+_ReLabel = re.compile('LABEL\((\w+)\)') _ReOffset = 
+re.compile('OFFSET_OF\((\w+)\)')
 
 ## SplitString
 #  Split string to list according double quote @@ -853,13 +855,11 @@ class ValueExpressionEx(ValueExpression):
                         PcdValueList = SplitPcdValueString(PcdValue.strip()[1:-1])
                         LabelDict = {}
                         NewPcdValueList = []
-                        ReLabel = re.compile('LABEL\((\w+)\)')
-                        ReOffset = re.compile('OFFSET_OF\((\w+)\)')
                         LabelOffset = 0
                         for Index, Item in enumerate(PcdValueList):
                             # compute byte offset of every LABEL
-                            LabelList = ReLabel.findall(Item)
-                            Item = ReLabel.sub('', Item)
+                            LabelList = _ReLabel.findall(Item)
+                            Item = _ReLabel.sub('', Item)
                             Item = Item.strip()
                             if LabelList:
                                 for Label in LabelList:
@@ -886,11 +886,11 @@ class ValueExpressionEx(ValueExpression):
                             # for LABEL parse
                             Item = Item.strip()
                             try:
-                                Item = ReLabel.sub('', Item)
+                                Item = _ReLabel.sub('', Item)
                             except:
                                 pass
                             try:
-                                OffsetList = ReOffset.findall(Item)
+                                OffsetList = _ReOffset.findall(Item)
                             except:
                                 pass
                             for Offset in OffsetList:
--
2.16.2.windows.1

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