rust/tests/ui/macros/macro-backtrace-complex.rs

25 lines
544 B
Rust

// Test the unstable command-line flag (-Z macro-backtrace) to enable detailed macro backtraces
// across nested local and external macros.
//@ aux-build:ping.rs
//@ revisions: default -Zmacro-backtrace
//@[-Zmacro-backtrace] compile-flags: -Z macro-backtrace
#[macro_use]
extern crate ping;
// a local macro
macro_rules! pong {
() => { syntax error };
}
//~^^ ERROR expected one of
//~| ERROR expected one of
//~| ERROR expected one of
#[allow(non_camel_case_types)]
struct syntax;
fn main() {
pong!();
ping!();
deep!();
}