[cfe-dev] Assert in lexer

[John Graley]

A little more info:

AnnotatePreviousCachedTokens() is called from AnnotateCachedTokens() which is called from TryAnnotateTypeOrScopeToken() in the last clause (dealing with C++ scope followed by non-typename).

AnnotatePreviousCachedTokens() requires the range of the supplied annotation token to end at the last pasrsed token. This range is being set from the source range of the C++ scope.

  ----- Original Message ----- 
  From: John Graley 
  To: cfe-dev at cs.uiuc.edu 
  Sent: Sunday, January 04, 2009 7:38 PM
  Subject: [cfe-dev] Assert in lexer


  Hi All

  I'm using clang as a parser for another project (ie I have my own Actions implementation) and I get an assert failure on the following code:

  int a;
  int main()
  {
      return ::a;
  }

  The assertion text reads:

  assertion "CachedTokens[CachedLexPos-1].getLocation() == Tok.getAnnotationEndLoc() && "The annotation should be until the most recent cached token"" failed: file "PPCaching.cpp", line 95

  Does anyone know what this is? Also, can I turn off caching of tokens if I'm not worried about speed? 

  Cheers, John



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