[cfe-dev] FunctionDecl question

[Frank Redeker via cfe-dev]

> On 18 July 2017 at 10:33, Frank Redeker via cfe-dev
> <cfe-dev at lists.llvm.org <mailto:cfe-dev at lists.llvm.org>> wrote:
> 
>     Hello list,
> 
>     is there is an easy way to distinguish if a function is declared as
> 
>     void foo (void);
>     or
>     void foo ();
> 
>     The reason I'm asking is that I use an ASTVisitor to generate stub
>     functions. But the compiler that I use reports an error when the
>     prototype is declared with (void) but the implementation not.
> 

> Am 18.07.2017 um 11:41 schrieb Alex L:
> You can look at it's type and check if it has a function prototype (i.e.
> it has parameters or (void), see the FunctionProtoType class), e.g.
> FD->getType()->isFunctionProtoType() .
>

Hallo Alex,

thanks for the hint. But the FD->getType()->isFunctionProtoType()
returns true in both cases and FD->getType()->isFunctionNoProtoType()
returns false in both cases.

So is there any other way to distinguish the declarations?


Frank