[cfe-dev] Public the interface for cxa_demangler.cpp

Erik Pilkington via cfe-dev cfe-dev at lists.llvm.org
Fri Apr 13 05:54:33 PDT 2018

No plans as of yet! I never planned to export the AST in this way, doing 
so would probably require some surgery (ie, make all the identifiers it 
uses reserved). I very recently landed r329951 
which provides a simple opaque API to the AST for the copy of the 
demangler in llvm. Maybe this is enough for your use case? What kind of 
analysis are you planning on performing?


On 2018-04-13 4:22 AM, via cfe-dev wrote:
>  The file "llvm.stl/libcxxabi/src/cxa_demangler.cpp" implement the 
> interface "__cxa_demangle()" defined in the C++ABI. It decoded the 
> mangled string into the demangled one, that is, "string --> string".  
> Inside it, it is implemented by "string --> AST --> string". However, 
> someone might need the internal AST instead of the demangled string to 
> do the further analysis for the mangled string. Do we have any plan 
> not to hide the AST inside the cxa_demangler.cpp, but public it into 
> the cxa_demangle.h ? Thank you.
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