bjoernager/rust
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Avoid specialization for the Span Encodable and Decodable impls

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This commit is contained in:
bjorn3 2023-12-31 19:35:32 +00:00
parent 1c20462338
commit 6ed37bdc42
16 changed files with 140 additions and 94 deletions
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16
compiler/rustc_macros/src/serialize.rs
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@ -31,6 +31,14 @@ pub fn meta_decodable_derive(mut s: synstructure::Structure<'_>) -> proc_macro2:
}
pub fn decodable_derive(mut s: synstructure::Structure<'_>) -> proc_macro2::TokenStream {
let decoder_ty = quote! { __D };
s.add_impl_generic(parse_quote! {#decoder_ty: ::rustc_span::SpanDecoder});
s.add_bounds(synstructure::AddBounds::Generics);
decodable_body(s, decoder_ty)
}
pub fn decodable_generic_derive(mut s: synstructure::Structure<'_>) -> proc_macro2::TokenStream {
let decoder_ty = quote! { __D };
s.add_impl_generic(parse_quote! {#decoder_ty: ::rustc_serialize::Decoder});
s.add_bounds(synstructure::AddBounds::Generics);
@ -129,6 +137,14 @@ pub fn meta_encodable_derive(mut s: synstructure::Structure<'_>) -> proc_macro2:
}
pub fn encodable_derive(mut s: synstructure::Structure<'_>) -> proc_macro2::TokenStream {
let encoder_ty = quote! { __E };
s.add_impl_generic(parse_quote! { #encoder_ty: ::rustc_span::SpanEncoder});
s.add_bounds(synstructure::AddBounds::Generics);
encodable_body(s, encoder_ty, false)
}
pub fn encodable_generic_derive(mut s: synstructure::Structure<'_>) -> proc_macro2::TokenStream {
let encoder_ty = quote! { __E };
s.add_impl_generic(parse_quote! { #encoder_ty: ::rustc_serialize::Encoder});
s.add_bounds(synstructure::AddBounds::Generics);