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Move codec module back into middle

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This commit is contained in:
Michael Goulet
2025-03-13 17:53:36 +00:00
parent 6438b9eca8
commit 19c84c8812
16 changed files with 129 additions and 187 deletions
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26
compiler/rustc_macros/src/serialize.rs
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@@ -6,16 +6,11 @@ use syn::spanned::Spanned;
pub(super) fn type_decodable_derive(
mut s: synstructure::Structure<'_>,
) -> proc_macro2::TokenStream {
if !s.ast().generics.lifetimes().any(|lt| lt.lifetime.ident == "tcx") {
s.add_impl_generic(parse_quote! { 'tcx });
}
let decoder_ty = quote! { __D };
let bound = if s.ast().generics.lifetimes().any(|lt| lt.lifetime.ident == "tcx") {
quote! { <I = ::rustc_middle::ty::TyCtxt<'tcx>> }
} else if s.ast().generics.type_params().any(|ty| ty.ident == "I") {
quote! { <I = I> }
} else {
quote! {}
};
s.add_impl_generic(parse_quote! { #decoder_ty: ::rustc_middle::ty::codec::TyDecoder #bound });
s.add_impl_generic(parse_quote! { #decoder_ty: ::rustc_middle::ty::codec::TyDecoder<'tcx> });
s.add_bounds(synstructure::AddBounds::Fields);
s.underscore_const(true);
@@ -132,16 +127,11 @@ fn decode_field(field: &syn::Field) -> proc_macro2::TokenStream {
pub(super) fn type_encodable_derive(
mut s: synstructure::Structure<'_>,
) -> proc_macro2::TokenStream {
let bound = if s.ast().generics.lifetimes().any(|lt| lt.lifetime.ident == "tcx") {
quote! { <I = ::rustc_middle::ty::TyCtxt<'tcx>> }
} else if s.ast().generics.type_params().any(|ty| ty.ident == "I") {
quote! { <I = I> }
} else {
quote! {}
};
let encoder_ty = quote! { __E };
s.add_impl_generic(parse_quote! { #encoder_ty: ::rustc_middle::ty::codec::TyEncoder #bound });
if !s.ast().generics.lifetimes().any(|lt| lt.lifetime.ident == "tcx") {
s.add_impl_generic(parse_quote! { 'tcx });
}
s.add_impl_generic(parse_quote! { #encoder_ty: ::rustc_middle::ty::codec::TyEncoder<'tcx> });
s.add_bounds(synstructure::AddBounds::Fields);
s.underscore_const(true);