Re: [edk2-devel] [Patch] BaseTools: Fixed the mis-using strip() function issue.

["Liming Gao" <liming.gao@intel.com>]

Ok. Make sense. 

Reviewed-by: Liming Gao <liming.gao@intel.com>

> -----Original Message-----
> From: Feng, Bob C
> Sent: Monday, July 22, 2019 8:48 AM
> To: Gao, Liming <liming.gao@intel.com>; devel@edk2.groups.io
> Subject: RE: [edk2-devel] [Patch] BaseTools: Fixed the mis-using strip() function issue.
> 
> Liming,
> 
> CmdSign[3:] means to get the CmdSign sub string from the 4th character to it end. The former code can make sure CmdSign starts with
> "/Fo", CmdSign[3:] is just to remove "/Fo".
> 
> The issue in this case is that the CmdSign is like "/FoF://abc//cde", and CmdSign.lstrip("/Fo") removes "/FoF".
> 
> Thanks,
> Bob
> 
> -----Original Message-----
> From: Gao, Liming
> Sent: Sunday, July 21, 2019 8:30 PM
> To: devel@edk2.groups.io; Feng, Bob C <bob.c.feng@intel.com>
> Subject: RE: [edk2-devel] [Patch] BaseTools: Fixed the mis-using strip() function issue.
> 
> Bob:
> 
> > -----Original Message-----
> > From: devel@edk2.groups.io [mailto:devel@edk2.groups.io] On Behalf Of
> > Bob Feng
> > Sent: Sunday, July 21, 2019 11:55 AM
> > To: devel@edk2.groups.io
> > Cc: Gao, Liming <liming.gao@intel.com>; Feng, Bob C
> > <bob.c.feng@intel.com>
> > Subject: [edk2-devel] [Patch] BaseTools: Fixed the mis-using strip() function issue.
> >
> > BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=2003
> >
> > lstrip(parameter) do the match based on the char in parameter but not
> > only the whole parameter string.
> >
> > In GenMake line 1082,
> > CmdSign.lstrip('/Fo') will strip the '/' or 'F' or 'o' on the left of
> > CmdSign. This is not expected.
> >
> > This patch is going to fix such issue.
> >
> > Cc: Liming Gao <liming.gao@intel.com>
> > Signed-off-by: Bob Feng <bob.c.feng@intel.com>
> > ---
> >  BaseTools/Source/Python/AutoGen/GenMake.py             | 2 +-
> >  BaseTools/Source/Python/GenFds/GenFdsGlobalVariable.py | 5 ++++-
> >  2 files changed, 5 insertions(+), 2 deletions(-)
> >
> > diff --git a/BaseTools/Source/Python/AutoGen/GenMake.py
> > b/BaseTools/Source/Python/AutoGen/GenMake.py
> > index 212ca0fa7f..10e67f7dbb 100644
> > --- a/BaseTools/Source/Python/AutoGen/GenMake.py
> > +++ b/BaseTools/Source/Python/AutoGen/GenMake.py
> > @@ -1077,11 +1077,11 @@ cleanlib:
> >                          CmdTargetDict[CmdSign] = Item.replace(Temp, CmdSign)
> >                      else:
> >                          CmdTargetDict[CmdSign] = "%s %s" % (CmdTargetDict[CmdSign], SingleCommandList[-1])
> >                      Index = CommandList.index(Item)
> >                      CommandList.pop(Index)
> > -                    if SingleCommandList[-1].endswith("%s%s.c" % (TAB_SLASH, CmdSumDict[CmdSign.lstrip('/Fo').rsplit(TAB_SLASH,
> > 1)[0]])):
> > +                    if SingleCommandList[-1].endswith("%s%s.c" % (TAB_SLASH, CmdSumDict[CmdSign[3:].rsplit(TAB_SLASH,
> 1)[0]])):
> 
> What mean CmdSign[3:]? Is it for root directory in Windows OS? Does it support the path in Linux OS?
> 
> Thanks
> Liming
> 
> >                          Cpplist = CmdCppDict[T.Target.SubDir]
> >                          Cpplist.insert(0, '$(OBJLIST_%d): $(COMMON_DEPS)' % list(self.ObjTargetDict.keys()).index(T.Target.SubDir))
> >                          T.Commands[Index] = '%s\n\t%s' % (' \\\n\t'.join(Cpplist), CmdTargetDict[CmdSign])
> >                      else:
> >                          T.Commands.pop(Index) diff --git
> > a/BaseTools/Source/Python/GenFds/GenFdsGlobalVariable.py
> > b/BaseTools/Source/Python/GenFds/GenFdsGlobalVariable.py
> > index c9c476cf61..f43743dff4 100644
> > --- a/BaseTools/Source/Python/GenFds/GenFdsGlobalVariable.py
> > +++ b/BaseTools/Source/Python/GenFds/GenFdsGlobalVariable.py
> > @@ -791,11 +791,14 @@ class GenFdsGlobalVariable:
> >      #
> >      @staticmethod
> >      def GetPcdValue (PcdPattern):
> >          if PcdPattern is None:
> >              return None
> > -        PcdPair = PcdPattern.lstrip('PCD(').rstrip(')').strip().split('.')
> > +        if PcdPattern.startswith('PCD('):
> > +            PcdPair = PcdPattern[4:].rstrip(')').strip().split('.')
> > +        else:
> > +            PcdPair = PcdPattern.strip().split('.')
> >          TokenSpace = PcdPair[0]
> >          TokenCName = PcdPair[1]
> >
> >          for Arch in GenFdsGlobalVariable.ArchList:
> >              Platform =
> > GenFdsGlobalVariable.WorkSpace.BuildObject[GenFdsGlobalVariable.Active
> > Platform, Arch, GenFdsGlobalVariable.TargetName,
> > GenFdsGlobalVariable.ToolChainTag]
> > --
> > 2.18.0.windows.1
> >
> >
> >