user0/rust
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Port #[panic_handler] to the new attribute parsers

Browse source
This commit is contained in:
Jonathan Brouwer 2026-02-13 12:43:02 +00:00
parent c61c2603cf
commit ee8ca0a89f
3 changed files with 11 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

9
compiler/rustc_attr_parsing/src/attributes/rustc_internal.rs
View file

@ -668,6 +668,15 @@ impl<S: Stage> NoArgsAttributeParser<S> for RustcHasIncoherentInherentImplsParse
const CREATE: fn(Span) -> AttributeKind = |_| AttributeKind::RustcHasIncoherentInherentImpls;
}
pub(crate) struct PanicHandlerParser;
impl<S: Stage> NoArgsAttributeParser<S> for PanicHandlerParser {
const PATH: &[Symbol] = &[sym::panic_handler];
const ON_DUPLICATE: OnDuplicate<S> = OnDuplicate::Error;
const ALLOWED_TARGETS: AllowedTargets = AllowedTargets::AllowList(ALL_TARGETS); // Targets are checked per lang item in `rustc_passes`
const CREATE: fn(Span) -> AttributeKind = |span| AttributeKind::Lang(LangItem::PanicImpl, span);
}
pub(crate) struct RustcHiddenTypeOfOpaquesParser;
impl<S: Stage> NoArgsAttributeParser<S> for RustcHiddenTypeOfOpaquesParser {

1
compiler/rustc_attr_parsing/src/context.rs
View file

@ -254,6 +254,7 @@ attribute_parsers!(
Single<WithoutArgs<NoMangleParser>>,
Single<WithoutArgs<NoStdParser>>,
Single<WithoutArgs<NonExhaustiveParser>>,
Single<WithoutArgs<PanicHandlerParser>>,
Single<WithoutArgs<PanicRuntimeParser>>,
Single<WithoutArgs<ParenSugarParser>>,
Single<WithoutArgs<PassByValueParser>>,

2
compiler/rustc_passes/src/lang_items.rs
View file

@ -8,7 +8,7 @@
//! * Functions called by the compiler itself.
use rustc_ast as ast;
use rustc_ast::fmvisit;
use rustc_ast::visit;
use rustc_data_structures::fx::FxHashMap;
use rustc_hir::def_id::{DefId, LocalDefId};
use rustc_hir::lang_items::GenericRequirement;