Re: Complexity of new hardware

On Sun, 19 Apr 2009 03:03:27 +1200, Jarkko Lempiainen <[email protected]>  
wrote:
> All I have is something like:
>struct foo
> { PFC_MONO(foo) {PFC_VAR3(x, y, z);}
>   int x, y, z;
> };

That's admirably brief! I assume you're generating code rather than data  
though - which tends to be more verbose, or at least it does for me.

One trick I found helpful to avoid identifier repetition was to move some  
commas inside macros, to avoid having to specify the parent name twice in  
IMPLEMENT_BEGIN/IMPLEMENT_END and still avoid explict arity:

// rtti.h - detail elided
#define COMPOUND(name) static const member_t members[];
#define RTTI(name, members) const member_t name::members[] = { members {  
NULL, ... } };
#define MEMBER(name) { #name, ... },

// foo.h
struct foo
{
COMPOUND(foo)

int x, y, z;
};

// foo.cpp - essentially generates const member_t foo::members[] = { ... };
RTTI(foo, MEMBER(x) MEMBER(y) MEMBER(z))

Cheers,

Will


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