[cfe-dev] Get "real" type name.

[Layus via cfe-dev]

Thanks Yaron and Stephan,

Using QualType::dump(), I found
Decl.getType()->getAs<TemplateSpecializationType>()->getArg(0).getAsType().getAsString() 
!
I had to go back in the code as my former specDecl had already lost the 
real type information.

QualType::dump() is a killer feature !

Guillaume.

On 25/01/16 19:55, Yaron Keren via cfe-dev wrote:
> Useful trick to see how such things are done is to debug into the 
> QualType::dump() method.
>
>
> 2016-01-25 18:48 GMT+02:00 Stephan Bergmann via cfe-dev 
> <cfe-dev at lists.llvm.org <mailto:cfe-dev at lists.llvm.org>>:
>
>     On 01/25/2016 05:15 PM, Guillaume Maudoux (Layus) via cfe-dev wrote:
>
>         I am currently fighting with clang libs to get the "real" type
>         name of a
>         template parameter.
>         My current code obtains the "resolved" name of the type.
>
>         For example, with a `typedef int myInt;`,
>         templateArgs[0].getAsType().getAsString() returns "int"
>         instead of "myInt".
>
>              const TemplateArgumentList& templateArgs =
>         specDecl->getTemplateArgs();
>
>              assert(templateArgs.size() == 1);
>              assert(templateArgs[0].getKind() == TemplateArgument::Type);
>              return
>         templateArgs[0].getAsType().getAsString(context->getPrintingPolicy());
>
>         Is there some way to extract the type string used in the
>         source code,
>         not the type infered by clang ?
>
>
>     Asked something similar two years ago,
>     <http://lists.llvm.org/pipermail/cfe-dev/2014-February/035161.html> "SubstTemplateTypeParmType
>     and non-canonical replacement type."  But never found an answer.
>
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