[cfe-dev] libclang: inspecting function parameters with default arguments

[Milian Wolff]

On Thursday 06 February 2014 10:02:04 Tamás Szelei wrote:
> Hello,
> 
> I would like to detect when a PARM_DECL has a default value, i.e.
> 
> in the case:
> 
>     void foo(int x = 5);
> 
> I want to be able to tell that x has a default value. I'm not interested in
> the statement after the = sign, only the fact that it has a default
> parameter.
> 
> Is this possible with libclang?

I've asked this before on this list and apparently it is not easily possible 
with libclang currently. What you can do if you just want to figure out if a 
default argument is there, is to recurse manually into the cursor and see if 
it has any children - if so, it has a default argument.

See also: http://clang-developers.42468.n3.nabble.com/Finding-default-value-for-function-argument-with-clang-c-API-td4036919.html


Bye
-- 
Milian Wolff
mail at milianw.de
http://milianw.de