bjoernager/rust
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Add warn(unreachable_pub) to rustc_metadata.

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This commit is contained in:
Nicholas Nethercote 2024-08-29 09:10:19 +10:00
parent 4b92682530
commit 05e07381d0
6 changed files with 29 additions and 14 deletions
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24
compiler/rustc_macros/src/serialize.rs
View file

@ -3,7 +3,9 @@ use quote::{quote, quote_spanned};
use syn::parse_quote;
use syn::spanned::Spanned;
pub(super) fn type_decodable_derive(mut s: synstructure::Structure<'_>) -> proc_macro2::TokenStream {
pub(super) fn type_decodable_derive(
mut s: synstructure::Structure<'_>,
) -> proc_macro2::TokenStream {
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>> }
@ -20,7 +22,9 @@ pub(super) fn type_decodable_derive(mut s: synstructure::Structure<'_>) -> proc_
decodable_body(s, decoder_ty)
}
pub(super) fn meta_decodable_derive(mut s: synstructure::Structure<'_>) -> proc_macro2::TokenStream {
pub(super) fn meta_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 });
}
@ -41,7 +45,9 @@ pub(super) fn decodable_derive(mut s: synstructure::Structure<'_>) -> proc_macro
decodable_body(s, decoder_ty)
}
pub(super) fn decodable_generic_derive(mut s: synstructure::Structure<'_>) -> proc_macro2::TokenStream {
pub(super) 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);
@ -123,7 +129,9 @@ fn decode_field(field: &syn::Field) -> proc_macro2::TokenStream {
quote_spanned! { field_span=> #decode_inner_method(#__decoder) }
}
pub(super) fn type_encodable_derive(mut s: synstructure::Structure<'_>) -> 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") {
@ -140,7 +148,9 @@ pub(super) fn type_encodable_derive(mut s: synstructure::Structure<'_>) -> proc_
encodable_body(s, encoder_ty, false)
}
pub(super) fn meta_encodable_derive(mut s: synstructure::Structure<'_>) -> proc_macro2::TokenStream {
pub(super) fn meta_encodable_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 });
}
@ -161,7 +171,9 @@ pub(super) fn encodable_derive(mut s: synstructure::Structure<'_>) -> proc_macro
encodable_body(s, encoder_ty, false)
}
pub(super) fn encodable_generic_derive(mut s: synstructure::Structure<'_>) -> proc_macro2::TokenStream {
pub(super) 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);

4
compiler/rustc_macros/src/type_visitable.rs
View file

@ -1,7 +1,9 @@
use quote::quote;
use syn::parse_quote;
pub(super) fn type_visitable_derive(mut s: synstructure::Structure<'_>) -> proc_macro2::TokenStream {
pub(super) fn type_visitable_derive(
mut s: synstructure::Structure<'_>,
) -> proc_macro2::TokenStream {
if let syn::Data::Union(_) = s.ast().data {
panic!("cannot derive on union")
}