[cfe-dev] get predefined typedefs and vars

[Chris Lattner]

On Jun 9, 2010, at 9:50 AM, Maximilian Odendahl wrote:

> Hi,
> 
> thanks for the quick reply.
> 
>>> Is there a way to find out if this Var or Typedef was already predefined
>>> or actually coming from my parsed source file?
>> 
>> The best way to do this is to use the SourceManager::isFromMainFile method
> 
> I tried using
> 
> ...
> case Decl::Typedef:
> 
> if (s.getSourceManager().isFromMainFile(it->getSourceRange().getBegin())
> 	it->dump();
> ...
> 
> 
> But then I get an assertion:
> 
> clang-cc: clang/lib/Basic/SourceManager.cpp:429: clang::FileID 
> clang::SourceManager::getFileIDSlow(unsigned int) const: Assertion 
> `SLocOffset && "Invalid FileID"' failed.
> 
> The first typedef to hit this line is __int128_t...

I'm not sure what "it" is here, but try Decl::getLocation() instead.  You should check to make sure it isn't an invalid source location though with SourceLocation::isValid()

-Chris

> 
> Am I doing sth. wrong here?
> 
> Thanks,
> Max
> 
> 
> _______________________________________________
> cfe-dev mailing list
> cfe-dev at cs.uiuc.edu
> http://lists.cs.uiuc.edu/mailman/listinfo/cfe-dev