compiler/rustc_macros/src/lib.rs

   1 #![feature(proc_macro_diagnostic)]
   2 #![allow(rustc::default_hash_types)]
   3 #![recursion_limit = "128"]
   4
   5 use synstructure::decl_derive;
   6
   7 use proc_macro::TokenStream;
   8
   9 mod hash_stable;
  10 mod lift;
  11 mod query;
  12 mod serialize;
  13 mod session_diagnostic;
  14 mod symbols;
  15 mod type_foldable;
  16
  17 #[proc_macro]
  18 pub fn rustc_queries(input: TokenStream) -> TokenStream {
  19     query::rustc_queries(input)
  20 }
  21
  22 #[proc_macro]
  23 pub fn symbols(input: TokenStream) -> TokenStream {
  24     symbols::symbols(input.into()).into()
  25 }
  26
  27 decl_derive!([HashStable, attributes(stable_hasher)] => hash_stable::hash_stable_derive);
  28 decl_derive!(
  29     [HashStable_Generic, attributes(stable_hasher)] =>
  30     hash_stable::hash_stable_generic_derive
  31 );
  32
  33 decl_derive!([Decodable] => serialize::decodable_derive);
  34 decl_derive!([Encodable] => serialize::encodable_derive);
  35 decl_derive!([TyDecodable] => serialize::type_decodable_derive);
  36 decl_derive!([TyEncodable] => serialize::type_encodable_derive);
  37 decl_derive!([MetadataDecodable] => serialize::meta_decodable_derive);
  38 decl_derive!([MetadataEncodable] => serialize::meta_encodable_derive);
  39 decl_derive!([TypeFoldable, attributes(type_foldable)] => type_foldable::type_foldable_derive);
  40 decl_derive!([Lift, attributes(lift)] => lift::lift_derive);
  41 decl_derive!(
  42     [SessionDiagnostic, attributes(
  43         message,
  44         lint,
  45         error,
  46         label,
  47         suggestion,
  48         suggestion_short,
  49         suggestion_hidden,
  50         suggestion_verbose)] => session_diagnostic::session_diagnostic_derive
  51 );