src/librustc_error_codes/lib.rs

   1 //! This library is used to gather all error codes into one place. The goal
   2 //! being to make their maintenance easier.
   3
   4 #[macro_export]
   5 macro_rules! register_diagnostics {
   6     ($($ecode:ident: $message:expr,)*) => (
   7         $crate::register_diagnostics!{$($ecode:$message,)* ;}
   8     );
   9
  10     ($($ecode:ident: $message:expr,)* ; $($code:ident,)*) => (
  11         pub static DIAGNOSTICS: &[(&str, &str)] = &[
  12             $( (stringify!($ecode), $message), )*
  13         ];
  14
  15         $(
  16             pub const $ecode: &str = $message;
  17         )*
  18         $(
  19             pub const $code: () = ();
  20         )*
  21     )
  22 }
  23
  24 mod error_codes;
  25
  26 pub use error_codes::*;