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use super::prelude::*;
pub(crate) struct AsPtrParser;
impl<S: Stage> NoArgsAttributeParser<S> for AsPtrParser {
const PATH: &[Symbol] = &[sym::rustc_as_ptr];
const ON_DUPLICATE: OnDuplicate<S> = OnDuplicate::Error;
const ALLOWED_TARGETS: AllowedTargets = AllowedTargets::AllowList(&[
Allow(Target::Fn),
Allow(Target::Method(MethodKind::Inherent)),
Allow(Target::Method(MethodKind::Trait { body: false })),
Allow(Target::Method(MethodKind::Trait { body: true })),
Allow(Target::Method(MethodKind::TraitImpl)),
]);
const CREATE: fn(Span) -> AttributeKind = AttributeKind::AsPtr;
}
pub(crate) struct PubTransparentParser;
impl<S: Stage> NoArgsAttributeParser<S> for PubTransparentParser {
const PATH: &[Symbol] = &[sym::rustc_pub_transparent];
const ON_DUPLICATE: OnDuplicate<S> = OnDuplicate::Error;
const ALLOWED_TARGETS: AllowedTargets = AllowedTargets::AllowList(&[
Allow(Target::Struct),
Allow(Target::Enum),
Allow(Target::Union),
]);
const CREATE: fn(Span) -> AttributeKind = AttributeKind::PubTransparent;
}
pub(crate) struct PassByValueParser;
impl<S: Stage> NoArgsAttributeParser<S> for PassByValueParser {
const PATH: &[Symbol] = &[sym::rustc_pass_by_value];
const ON_DUPLICATE: OnDuplicate<S> = OnDuplicate::Error;
const ALLOWED_TARGETS: AllowedTargets = AllowedTargets::AllowList(&[
Allow(Target::Struct),
Allow(Target::Enum),
Allow(Target::TyAlias),
]);
const CREATE: fn(Span) -> AttributeKind = AttributeKind::PassByValue;
}
pub(crate) struct AutomaticallyDerivedParser;
impl<S: Stage> NoArgsAttributeParser<S> for AutomaticallyDerivedParser {
const PATH: &[Symbol] = &[sym::automatically_derived];
const ON_DUPLICATE: OnDuplicate<S> = OnDuplicate::Warn;
const ALLOWED_TARGETS: AllowedTargets = AllowedTargets::AllowListWarnRest(&[
Allow(Target::Impl { of_trait: true }),
Error(Target::Crate),
Error(Target::WherePredicate),
]);
const CREATE: fn(Span) -> AttributeKind = AttributeKind::AutomaticallyDerived;
}
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