Reviewed-by: Bob Feng <bob.c.f...@intel.com>

-----Original Message-----
From: Feng, YunhuaX <yunhuax.f...@intel.com> 
Sent: Saturday, May 9, 2020 8:15 AM
To: devel@edk2.groups.io
Cc: Feng, Bob C <bob.c.f...@intel.com>; Gao, Liming <liming....@intel.com>
Subject: [PATCH v2] BaseTools: Fix parse PCD GUID expression issue

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2686

The build tool will give an incorrect GUID value if the GUID includes character 
' or " ASCII value.
This patch is going to fix this issue.

Cc: Bob Feng <bob.c.f...@intel.com>
Cc: Liming Gao <liming....@intel.com>
Signed-off-by: Yunhua Feng <yunhuax.f...@intel.com>
---
 BaseTools/Source/Python/Common/Misc.py | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/BaseTools/Source/Python/Common/Misc.py 
b/BaseTools/Source/Python/Common/Misc.py
index da5fb380f0..ad55671080 100755
--- a/BaseTools/Source/Python/Common/Misc.py
+++ b/BaseTools/Source/Python/Common/Misc.py
@@ -37,10 +37,11 @@ from Common.LongFilePathSupport import OpenLongFilePath as 
open  from Common.LongFilePathSupport import CopyLongFilePath as CopyLong  from 
Common.LongFilePathSupport import LongFilePath as LongFilePath  from 
Common.MultipleWorkspace import MultipleWorkspace as mws  from 
CommonDataClass.Exceptions import BadExpression  from Common.caching import 
cached_property
+import struct
 
 ArrayIndex = re.compile("\[\s*[0-9a-fA-FxX]*\s*\]")
 ## Regular expression used to find out place holders in string template  
gPlaceholderPattern = re.compile("\$\{([^$()\s]+)\}", re.MULTILINE | re.UNICODE)
 
@@ -1153,17 +1154,16 @@ def ParseFieldValue (Value):
                 raise BadExpression("Invalid GUID value string %s" % Value)
             Value = TmpValue
         if Value[0] == '"' and Value[-1] == '"':
             Value = Value[1:-1]
         try:
-            Value = str(uuid.UUID(Value).bytes_le)
-            if Value.startswith("b'"):
-                Value = Value[2:-1]
-            Value = "'" + Value + "'"
+            Value = uuid.UUID(Value).bytes_le
+            ValueL, ValueH = struct.unpack('2Q', Value)
+            Value = (ValueH << 64 ) | ValueL
+
         except ValueError as Message:
             raise BadExpression(Message)
-        Value, Size = ParseFieldValue(Value)
         return Value, 16
     if Value.startswith('L"') and Value.endswith('"'):
         # Unicode String
         # translate escape character
         Value = Value[1:]
--
2.12.2.windows.2


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