compile warning from BaseTools


wenyi,xie
 

Hi all,
I meet some compile warning in BaseTools´╝îthe version of EDK2 is edk2-stable201903, as I am not familiar with Antlr grammer, I don't know how to fix it.
Could someone give me a hand, thanks!

VfrSyntax.g, line 2018: warning: predicate: LT(i) missing, bad, or with i=0; assuming i=1
VfrSyntax.g, line 2023: warning: predicate: LT(i) missing, bad, or with i=0; assuming i=1
VfrSyntax.g, line 3651: warning: alts 1 and 2 of {..} ambiguous upon ( ";" RefreshGuid GuidOp Locked Image EndIf InconsistentIf DisableIf SuppressIf Default GrayOutIf )
VfrSyntax.g, line 3660: warning: alts 1 and 2 of {..} ambiguous upon ( ";" RefreshGuid GuidOp Locked Image EndIf InconsistentIf DisableIf SuppressIf Default GrayOutIf )
VfrSyntax.g, line 3669: warning: alts 1 and 2 of {..} ambiguous upon ( ";" RefreshGuid GuidOp Locked Image EndIf InconsistentIf DisableIf SuppressIf Default GrayOutIf )
VfrSyntax.g, line 3679: warning: alts 1 and 2 of {..} ambiguous upon ( ";" RefreshGuid GuidOp Locked Image EndIf InconsistentIf DisableIf SuppressIf Default GrayOutIf )
VfrSyntax.g, line 3709: warning: alts 1 and 2 of {..} ambiguous upon ( ";" RefreshGuid GuidOp Locked Image EndIf InconsistentIf DisableIf SuppressIf Default GrayOutIf )
VfrSyntax.g, line 3718: warning: alts 1 and 2 of {..} ambiguous upon ( ";" RefreshGuid GuidOp Locked Image EndIf InconsistentIf DisableIf SuppressIf Default GrayOutIf )

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