rust/tests/ui/parser/variadic-ffi-semantic-restrictions.rs
2023-01-11 09:32:08 +00:00

77 lines
3.2 KiB
Rust

#![feature(c_variadic)]
#![allow(anonymous_parameters)]
fn main() {}
fn f1_1(x: isize, ...) {}
//~^ ERROR only foreign or `unsafe extern "C"` functions may be C-variadic
fn f1_2(...) {}
//~^ ERROR only foreign or `unsafe extern "C"` functions may be C-variadic
//~| ERROR C-variadic function must be declared with at least one named argument
extern "C" fn f2_1(x: isize, ...) {}
//~^ ERROR only foreign or `unsafe extern "C"` functions may be C-variadic
extern "C" fn f2_2(...) {}
//~^ ERROR only foreign or `unsafe extern "C"` functions may be C-variadic
//~| ERROR C-variadic function must be declared with at least one named argument
extern "C" fn f2_3(..., x: isize) {}
//~^ ERROR only foreign or `unsafe extern "C"` functions may be C-variadic
//~| ERROR `...` must be the last argument of a C-variadic function
extern "C" fn f3_1(x: isize, ...) {}
//~^ ERROR only foreign or `unsafe extern "C"` functions may be C-variadic
extern "C" fn f3_2(...) {}
//~^ ERROR only foreign or `unsafe extern "C"` functions may be C-variadic
//~| ERROR C-variadic function must be declared with at least one named argument
extern "C" fn f3_3(..., x: isize) {}
//~^ ERROR only foreign or `unsafe extern "C"` functions may be C-variadic
//~| ERROR `...` must be the last argument of a C-variadic function
extern "C" {
fn e_f1(...);
//~^ ERROR C-variadic function must be declared with at least one named argument
fn e_f2(..., x: isize);
//~^ ERROR `...` must be the last argument of a C-variadic function
}
struct X;
impl X {
fn i_f1(x: isize, ...) {}
//~^ ERROR only foreign or `unsafe extern "C"` functions may be C-variadic
fn i_f2(...) {}
//~^ ERROR only foreign or `unsafe extern "C"` functions may be C-variadic
//~| ERROR C-variadic function must be declared with at least one named argument
fn i_f3(..., x: isize, ...) {}
//~^ ERROR only foreign or `unsafe extern "C"` functions may be C-variadic
//~| ERROR only foreign or `unsafe extern "C"` functions may be C-variadic
//~| ERROR `...` must be the last argument of a C-variadic function
fn i_f4(..., x: isize, ...) {}
//~^ ERROR only foreign or `unsafe extern "C"` functions may be C-variadic
//~| ERROR only foreign or `unsafe extern "C"` functions may be C-variadic
//~| ERROR `...` must be the last argument of a C-variadic function
}
trait T {
fn t_f1(x: isize, ...) {}
//~^ ERROR only foreign or `unsafe extern "C"` functions may be C-variadic
fn t_f2(x: isize, ...);
//~^ ERROR only foreign or `unsafe extern "C"` functions may be C-variadic
fn t_f3(...) {}
//~^ ERROR only foreign or `unsafe extern "C"` functions may be C-variadic
//~| ERROR C-variadic function must be declared with at least one named argument
fn t_f4(...);
//~^ ERROR only foreign or `unsafe extern "C"` functions may be C-variadic
//~| ERROR C-variadic function must be declared with at least one named argument
fn t_f5(..., x: isize) {}
//~^ ERROR only foreign or `unsafe extern "C"` functions may be C-variadic
//~| ERROR `...` must be the last argument of a C-variadic function
fn t_f6(..., x: isize);
//~^ ERROR only foreign or `unsafe extern "C"` functions may be C-variadic
//~| ERROR `...` must be the last argument of a C-variadic function
}