//~ 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cannot be used at crate level //~| NOTE: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date #![start] //~^ ERROR: `start` attribute cannot be used at crate level #![repr()] //~^ ERROR: `repr` attribute cannot be used at crate level #![path = "3800"]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 //~| NOTE the inner attribute doesn't annotate this module //~| NOTE the inner attribute doesn't annotate this module //~| NOTE the inner attribute doesn't annotate this module //~| NOTE the inner attribute doesn't annotate this module //~| NOTE the inner attribute doesn't annotate this module //~| NOTE the inner attribute doesn't annotate this module mod inner { #![inline] } //~^ ERROR attribute should be applied to function or closure //~| NOTE not a function or closure #[inline = "2100"] fn f() { } //~^ ERROR valid forms for the attribute are //~| WARN this was previously accepted //~| NOTE #[deny(ill_formed_attribute_input)]` on by default //~| NOTE for more information, see issue #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 } #[repr(Rust)] //~^ ERROR: attribute should be applied to a struct, enum, or union mod repr_rust { //~^ NOTE not a struct, enum, or union mod inner { #![repr(Rust)] } //~^ ERROR: attribute should be applied to a struct, enum, or union //~| NOTE not a struct, enum, or union #[repr(Rust)] fn f() { } //~^ ERROR: attribute should be applied to a struct, enum, or union //~| NOTE not a struct, enum, or union struct S; #[repr(Rust)] type T = S; //~^ ERROR: attribute should be applied to a struct, enum, or union //~| NOTE not a struct, enum, or union #[repr(Rust)] impl S { } //~^ ERROR: attribute should be applied to a struct, enum, or union //~| NOTE not a struct, enum, or union } fn main() {}