[edk2-devel] [PATCH] BaseTools: Fix parse GUID expression issue

[Feng, YunhuaX]

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

some GUID include character ' or " ascii value, transfer to string will
catch the wrong value.

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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