[cfe-dev] Rewriter: How to rewrite an empty function argument list?

[Marcel Schaible via cfe-dev]

Alex thanks for your hint.

I was playing around with getTypeLoc, but I am didn't find a way to get 
the location of the opening parenthesis of a function argument list.

Maybe you have an idea?

Marcel

Am 30.07.2017 um 21:56 schrieb Alex L:
> Hi Marcel,
>
> I believe that you can get the location of '('/')' and insert a new 
> parameter after/before that location. The locations of braces should 
> be in the FunctionTypeLoc which you can extract from the TypeLoc value 
> returned by calling ((FunctionDecl 
> *)YourFunction)->getTypeSourceInfo->getTypeLoc();
>
> Alex
>
> On 30 July 2017 at 16:44, Marcel Schaible via cfe-dev 
> <cfe-dev at lists.llvm.org <mailto:cfe-dev at lists.llvm.org>> wrote:
>
>     Hi everyone,
>
>     I am trying to transform function arguments. For functions with a
>     at least one argument I can position the Rewriter on the paramdecl.
>
>     But if the function has no arguments there is no paramdecl. So how
>     can I rewrite the argument list of such a function?
>
>     Example:
>
>     int foo() { return 42; } transform into int foo(int p1) { return 42;);
>
>     Thanks
>
>     Marcel
>
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