public inbox for devel@edk2.groups.io
 help / color / mirror / Atom feed
* [PATCH] BaseTools: report error if flag in LABEL() invalid
@ 2018-03-01  8:22 Feng, YunhuaX
  2018-03-02  2:15 ` Zhu, Yonghong
  0 siblings, 1 reply; 2+ messages in thread
From: Feng, YunhuaX @ 2018-03-01  8:22 UTC (permalink / raw)
  To: edk2-devel@lists.01.org; +Cc: Zhu, Yonghong, Gao, Liming

Flag in LABEL() is not valid C variable name, will
report error

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>
---
 BaseTools/Source/Python/Common/Expression.py | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/BaseTools/Source/Python/Common/Expression.py b/BaseTools/Source/Python/Common/Expression.py
index f1516d5c7b..40e6d32280 100644
--- a/BaseTools/Source/Python/Common/Expression.py
+++ b/BaseTools/Source/Python/Common/Expression.py
@@ -117,10 +117,16 @@ def SplitPcdValueString(String):
         raise BadExpression(ERR_STRING_TOKEN % Item)
     if Item:
         RetList.append(Item)
     return RetList
 
+def IsValidCString(Str):
+    ValidString = re.compile(r'[_a-zA-Z][_0-9a-zA-Z]*$')
+    if not ValidString.match(Str):
+        return False
+    return True
+
 ## ReplaceExprMacro
 #
 def ReplaceExprMacro(String, Macros, ExceptionList = None):
     StrList = SplitString(String)
     for i, String in enumerate(StrList):
@@ -883,17 +889,17 @@ class ValueExpressionEx(ValueExpression):
                         ReOffset = re.compile('OFFSET_OF\((\w+)\)')
                         LabelOffset = 0
                         for Index, Item in enumerate(PcdValueList):
                             # compute byte offset of every LABEL
                             Item = Item.strip()
-                            try:
-                                LabelList = ReLabel.findall(Item)
+                            LabelList = ReLabel.findall(Item)
+                            if LabelList:
                                 for Label in LabelList:
+                                    if not IsValidCString(Label):
+                                        raise BadExpression('%s is invalid c variable string' % Label)
                                     if Label not in LabelDict.keys():
                                         LabelDict[Label] = str(LabelOffset)
-                            except:
-                                pass
                             if Item.startswith('UINT8'):
                                 LabelOffset = LabelOffset + 1
                             elif Item.startswith('UINT16'):
                                 LabelOffset = LabelOffset + 2
                             elif Item.startswith('UINT32'):
-- 
2.12.2.windows.2



^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] BaseTools: report error if flag in LABEL() invalid
  2018-03-01  8:22 [PATCH] BaseTools: report error if flag in LABEL() invalid Feng, YunhuaX
@ 2018-03-02  2:15 ` Zhu, Yonghong
  0 siblings, 0 replies; 2+ messages in thread
From: Zhu, Yonghong @ 2018-03-02  2:15 UTC (permalink / raw)
  To: Feng, YunhuaX, edk2-devel@lists.01.org; +Cc: Gao, Liming, Zhu, Yonghong

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

Best Regards,
Zhu Yonghong


-----Original Message-----
From: Feng, YunhuaX 
Sent: Thursday, March 01, 2018 4:22 PM
To: edk2-devel@lists.01.org
Cc: Zhu, Yonghong <yonghong.zhu@intel.com>; Gao, Liming <liming.gao@intel.com>
Subject: [PATCH] BaseTools: report error if flag in LABEL() invalid

Flag in LABEL() is not valid C variable name, will report error

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>
---
 BaseTools/Source/Python/Common/Expression.py | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/BaseTools/Source/Python/Common/Expression.py b/BaseTools/Source/Python/Common/Expression.py
index f1516d5c7b..40e6d32280 100644
--- a/BaseTools/Source/Python/Common/Expression.py
+++ b/BaseTools/Source/Python/Common/Expression.py
@@ -117,10 +117,16 @@ def SplitPcdValueString(String):
         raise BadExpression(ERR_STRING_TOKEN % Item)
     if Item:
         RetList.append(Item)
     return RetList
 
+def IsValidCString(Str):
+    ValidString = re.compile(r'[_a-zA-Z][_0-9a-zA-Z]*$')
+    if not ValidString.match(Str):
+        return False
+    return True
+
 ## ReplaceExprMacro
 #
 def ReplaceExprMacro(String, Macros, ExceptionList = None):
     StrList = SplitString(String)
     for i, String in enumerate(StrList):
@@ -883,17 +889,17 @@ class ValueExpressionEx(ValueExpression):
                         ReOffset = re.compile('OFFSET_OF\((\w+)\)')
                         LabelOffset = 0
                         for Index, Item in enumerate(PcdValueList):
                             # compute byte offset of every LABEL
                             Item = Item.strip()
-                            try:
-                                LabelList = ReLabel.findall(Item)
+                            LabelList = ReLabel.findall(Item)
+                            if LabelList:
                                 for Label in LabelList:
+                                    if not IsValidCString(Label):
+                                        raise BadExpression('%s is 
+ invalid c variable string' % Label)
                                     if Label not in LabelDict.keys():
                                         LabelDict[Label] = str(LabelOffset)
-                            except:
-                                pass
                             if Item.startswith('UINT8'):
                                 LabelOffset = LabelOffset + 1
                             elif Item.startswith('UINT16'):
                                 LabelOffset = LabelOffset + 2
                             elif Item.startswith('UINT32'):
--
2.12.2.windows.2



^ permalink raw reply related	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2018-03-02  2:09 UTC | newest]

Thread overview: 2+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2018-03-01  8:22 [PATCH] BaseTools: report error if flag in LABEL() invalid Feng, YunhuaX
2018-03-02  2:15 ` Zhu, Yonghong

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox