rust/tests/ui/proc-macro/mixed-site-span.rs
2023-01-11 09:32:08 +00:00

25 lines
652 B
Rust

// Proc macros using `mixed_site` spans exhibit usual properties of `macro_rules` hygiene.
// aux-build:mixed-site-span.rs
#[macro_use]
extern crate mixed_site_span;
struct ItemUse;
fn main() {
'label_use: loop {
let local_use = 1;
proc_macro_rules!();
//~^ ERROR use of undeclared label `'label_use`
//~| ERROR cannot find value `local_use` in this scope
ItemDef; // OK
local_def; //~ ERROR cannot find value `local_def` in this scope
}
}
macro_rules! pass_dollar_crate {
() => (proc_macro_rules!($crate);) //~ ERROR cannot find type `ItemUse` in crate `$crate`
}
pass_dollar_crate!();