ref: fa29f36fe713a4bbdfca6770ebb3867436c1ac18
dir: /cmd/cpp/smoke.test/
/*
* CURRENTLY BROKEN:
* __VA_ARGS__ requires at least one item.
* It should accept an empty list.
#define xprint(a, ...) print(a, __VA_ARGS__)
xprint("hi", "there")
xprint("hi")
*/
#define C a,b
#define X(a) a
#define Y X(C)
Y
#define x 3
#define f(a) f(x * (a))
#undef x
#define x 2
#define g f
#define z z[0]
#define h g(~
#define m(a) a(w)
#define w 0,1
#define t(a) a
#define p() int
#define q(x) x
#define r(x,y) x ## y
#define str(x) # x
f(y+1) + f(f(z)) % t(t(g)(0) + t)(1);
g(x+(3,4)-w) | h 5) & m
(f)^m(m);
/*
* CURRENTLY BROKEN:
* mac() needs at least one argument.
* It should treat no args as a single empty arg list.
p() i[q()] = { q(1), r(2,3), r(4,), r(,5), r(,) };
char c[2][6] = { str(hello), str() };
*/