rust/tests/ui/editions/edition-keywords-2018-2018-parsing.rs
Nicholas Nethercote dd2b027d5d Tweak more warnings.
Much like the previous commit.

I think the removal of "the token" in each message is fine here. There
are many more error messages that mention tokens without saying "the
token" than those that do say it.
2024-10-28 14:20:28 +11:00

44 lines
1.4 KiB
Rust

//@ edition:2018
//@ aux-build:edition-kw-macro-2018.rs
#![feature(async_closure)]
fn main() {}
#[macro_use]
extern crate edition_kw_macro_2018;
mod module {
pub fn r#async() {}
}
macro_rules! local_passes_ident {
($i: ident) => ($i) //~ ERROR macro expansion ends with an incomplete expression
}
macro_rules! local_passes_tt {
($i: tt) => ($i)
}
pub fn check_async() {
let mut async = 1; //~ ERROR expected identifier, found keyword `async`
let mut r#async = 1; // OK
r#async = consumes_async!(async); // OK
r#async = consumes_async!(r#async); //~ ERROR no rules expected `r#async`
r#async = consumes_async_raw!(async); //~ ERROR no rules expected keyword `async`
r#async = consumes_async_raw!(r#async); // OK
if passes_ident!(async) == 1 {} // FIXME: Edition hygiene bug, async here is 2018 and reserved
if passes_ident!(r#async) == 1 {} // OK
if passes_tt!(async) == 1 {} //~ ERROR macro expansion ends with an incomplete expression
if passes_tt!(r#async) == 1 {} // OK
if local_passes_ident!(async) == 1 {} // Error reported above in the macro
if local_passes_ident!(r#async) == 1 {} // OK
if local_passes_tt!(async) == 1 {} //~ ERROR macro expansion ends with an incomplete expression
if local_passes_tt!(r#async) == 1 {} // OK
module::async(); //~ ERROR expected identifier, found keyword `async`
module::r#async(); // OK
let _recovery_witness: () = 0; //~ ERROR mismatched types
}