From: Feng, YunhuaX </o=Intel/ou=Exchange Administrative Group (FYDIBOHF23SPDLT)/cn=Recipients/cn=Feng, YunhuaX4e1>
Date: Thu, 1 Mar 2018 02:16:07 +0000 (+0800)
Subject: BaseTools: Fix eval parse string issue
X-Git-Tag: edk2-stable201903~2302
X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=commitdiff_plain;h=4faf13222edead307109bf8c747200ea3fb617c0

BaseTools: Fix eval parse string issue

eval argument start with " or ', but it is unicode string,
will encounter error:
    List = list(eval(Value)) # translate escape character
  File "<string>", line 1
    'j??=????????F??
             ^
SyntaxError: EOL while scanning string literal

Cc: Liming Gao <liming.gao@intel.com>
Cc: Yonghong Zhu <yonghong.zhu@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Yunhua Feng <yunhuax.feng@intel.com>
Reviewed-by: Yonghong Zhu <yonghong.zhu@intel.com>
---

diff --git a/BaseTools/Source/Python/Common/Misc.py b/BaseTools/Source/Python/Common/Misc.py
index a7e7797d04..af374d804d 100644
--- a/BaseTools/Source/Python/Common/Misc.py
+++ b/BaseTools/Source/Python/Common/Misc.py
@@ -1554,7 +1554,13 @@ def ParseFieldValue (Value):
         return Value, 16
     if Value.startswith('L"') and Value.endswith('"'):
         # Unicode String
-        List = list(eval(Value[1:]))  # translate escape character
+        # translate escape character
+        Value = Value[1:]
+        try:
+            Value = eval(Value)
+        except:
+            Value = Value[1:-1]
+        List = list(Value)
         List.reverse()
         Value = 0
         for Char in List:
@@ -1562,7 +1568,12 @@ def ParseFieldValue (Value):
         return Value, (len(List) + 1) * 2
     if Value.startswith('"') and Value.endswith('"'):
         # ASCII String
-        List = list(eval(Value))  # translate escape character
+        # translate escape character
+        try:
+            Value = eval(Value)
+        except:
+            Value = Value[1:-1]
+        List = list(Value)
         List.reverse()
         Value = 0
         for Char in List:
@@ -1570,7 +1581,13 @@ def ParseFieldValue (Value):
         return Value, len(List) + 1
     if Value.startswith("L'") and Value.endswith("'"):
         # Unicode Character Constant
-        List = list(eval(Value[1:])) # translate escape character
+        # translate escape character
+        Value = Value[1:]
+        try:
+            Value = eval(Value)
+        except:
+            Value = Value[1:-1]
+        List = list(Value)
         if len(List) == 0:
             raise BadExpression('Length %s is %s' % (Value, len(List)))
         List.reverse()
@@ -1580,7 +1597,12 @@ def ParseFieldValue (Value):
         return Value, len(List) * 2
     if Value.startswith("'") and Value.endswith("'"):
         # Character constant
-        List = list(eval(Value)) # translate escape character
+        # translate escape character
+        try:
+            Value = eval(Value)
+        except:
+            Value = Value[1:-1]
+        List = list(Value)
         if len(List) == 0:
             raise BadExpression('Length %s is %s' % (Value, len(List)))
         List.reverse()