view run/mini/vararg4.d @ 1630:d0efa3ae5522 default tip

run/mini/naked_asm5: New x86_64 ABI passes the arguments in reverse order.
author David Nadlinger <code@klickverbot.at>
date Sat, 23 Apr 2011 22:57:32 +0200
parents c6ef09dfba4d
children
line wrap: on
line source

module vararg4;

version(Tango)
{
    import tango.core.Vararg;
}
else
{
    import std.c.stdarg;
}
extern(C) int printf(char*, ...);

void vafunc(...)
{
    foreach(i,v; _arguments) {
        if (typeid(byte) == v) {
            printf("byte(%d)\n", va_arg!(byte)(_argptr));
        }
        else if (typeid(short) == v) {
            printf("short(%d)\n", va_arg!(short)(_argptr));
        }
        else if (typeid(int) == v) {
            printf("int(%d)\n", va_arg!(int)(_argptr));
        }
        else if (typeid(long) == v) {
            printf("long(%ld)\n", va_arg!(long)(_argptr));
        }
        else if (typeid(float) == v) {
            printf("float(%f)\n", va_arg!(float)(_argptr));
        }
        else if (typeid(double) == v) {
            printf("double(%f)\n", va_arg!(double)(_argptr));
        }
        else if (typeid(real) == v) {
            printf("real(%f)\n", va_arg!(real)(_argptr));
        }
        else
        assert(0, "unsupported type");
    }
}

void main()
{
    vafunc(byte.max,short.max,1,2,3,4L,5.0f,6.0,cast(real)7);
}