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|
//~ NOTE: not an `extern crate` item
//~^ NOTE: not a free function, impl method or static
//~^^ NOTE: not a function or closure
// This is testing whether various builtin attributes signals an
// error or warning when put in "weird" places.
//
// (This file sits on its own because it actually signals an error,
// which would mess up the treatment of other cases in
// issue-43106-gating-of-builtin-attrs.rs)
#![macro_export]
//~^ ERROR: `macro_export` attribute cannot be used at crate level
#![rustc_main] //~ ERROR: the `#[rustc_main]` attribute is used internally to specify
//~^ ERROR: `rustc_main` attribute cannot be used at crate level
#![start]
//~^ ERROR: `start` attribute cannot be used at crate level
#![repr()]
//~^ ERROR: `repr` attribute cannot be used at crate level
#![path = "3800"]
//~^ ERROR: `path` attribute cannot be used at crate level
#![automatically_derived]
//~^ ERROR: `automatically_derived` attribute cannot be used at crate level
#![no_mangle]
#![no_link]
//~^ ERROR: attribute should be applied to an `extern crate` item
#![export_name = "2200"]
//~^ ERROR: attribute should be applied to a free function, impl method or static
#![inline]
//~^ ERROR: attribute should be applied to function or closure
#[inline]
//~^ ERROR attribute should be applied to function or closure
mod inline {
//~^ NOTE not a function or closure
mod inner { #![inline] }
//~^ ERROR attribute should be applied to function or closure
//~| NOTE not a function or closure
#[inline = "2100"] fn f() { }
//~^ ERROR attribute must be of the form
//~| WARN this was previously accepted
//~| NOTE #[deny(ill_formed_attribute_input)]` on by default
//~| NOTE for more information, see issue #57571 <https://github.com/rust-lang/rust/issues/57571>
#[inline] struct S;
//~^ ERROR attribute should be applied to function or closure
//~| NOTE not a function or closure
#[inline] type T = S;
//~^ ERROR attribute should be applied to function or closure
//~| NOTE not a function or closure
#[inline] impl S { }
//~^ ERROR attribute should be applied to function or closure
//~| NOTE not a function or closure
}
#[no_link]
//~^ ERROR attribute should be applied to an `extern crate` item
mod no_link {
//~^ NOTE not an `extern crate` item
mod inner { #![no_link] }
//~^ ERROR attribute should be applied to an `extern crate` item
//~| NOTE not an `extern crate` item
#[no_link] fn f() { }
//~^ ERROR attribute should be applied to an `extern crate` item
//~| NOTE not an `extern crate` item
#[no_link] struct S;
//~^ ERROR attribute should be applied to an `extern crate` item
//~| NOTE not an `extern crate` item
#[no_link]type T = S;
//~^ ERROR attribute should be applied to an `extern crate` item
//~| NOTE not an `extern crate` item
#[no_link] impl S { }
//~^ ERROR attribute should be applied to an `extern crate` item
//~| NOTE not an `extern crate` item
}
#[export_name = "2200"]
//~^ ERROR attribute should be applied to a free function, impl method or static
mod export_name {
//~^ NOTE not a free function, impl method or static
mod inner { #![export_name="2200"] }
//~^ ERROR attribute should be applied to a free function, impl method or static
//~| NOTE not a free function, impl method or static
#[export_name = "2200"] fn f() { }
#[export_name = "2200"] struct S;
//~^ ERROR attribute should be applied to a free function, impl method or static
//~| NOTE not a free function, impl method or static
#[export_name = "2200"] type T = S;
//~^ ERROR attribute should be applied to a free function, impl method or static
//~| NOTE not a free function, impl method or static
#[export_name = "2200"] impl S { }
//~^ ERROR attribute should be applied to a free function, impl method or static
//~| NOTE not a free function, impl method or static
trait Tr {
#[export_name = "2200"] fn foo();
//~^ ERROR attribute should be applied to a free function, impl method or static
//~| NOTE not a free function, impl method or static
#[export_name = "2200"] fn bar() {}
//~^ ERROR attribute should be applied to a free function, impl method or static
//~| NOTE not a free function, impl method or static
}
}
#[start]
//~^ ERROR: `start` attribute can only be used on functions
mod start {
mod inner { #![start] }
//~^ ERROR: `start` attribute can only be used on functions
// for `fn f()` case, see feature-gate-start.rs
#[start] struct S;
//~^ ERROR: `start` attribute can only be used on functions
#[start] type T = S;
//~^ ERROR: `start` attribute can only be used on functions
#[start] impl S { }
//~^ ERROR: `start` attribute can only be used on functions
}
#[repr(C)]
//~^ ERROR: attribute should be applied to a struct, enum, or union
mod repr {
//~^ NOTE not a struct, enum, or union
mod inner { #![repr(C)] }
//~^ ERROR: attribute should be applied to a struct, enum, or union
//~| NOTE not a struct, enum, or union
#[repr(C)] fn f() { }
//~^ ERROR: attribute should be applied to a struct, enum, or union
//~| NOTE not a struct, enum, or union
struct S;
#[repr(C)] type T = S;
//~^ ERROR: attribute should be applied to a struct, enum, or union
//~| NOTE not a struct, enum, or union
#[repr(C)] impl S { }
//~^ ERROR: attribute should be applied to a struct, enum, or union
//~| NOTE not a struct, enum, or union
}
fn main() {}
|
