20 lines
674 B
Rust
20 lines
674 B
Rust
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use rustc_attr_data_structures::AttributeKind;
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use rustc_span::sym;
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use super::{AcceptContext, SingleAttributeParser};
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use crate::parser::ArgParser;
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pub(crate) struct RustcMacroEdition2021Parser;
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// FIXME(jdonszelmann): make these proper diagnostics
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impl SingleAttributeParser for RustcMacroEdition2021Parser {
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const PATH: &'static [rustc_span::Symbol] = &[sym::rustc_macro_edition_2021];
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fn on_duplicate(_cx: &crate::context::AcceptContext<'_>, _first_span: rustc_span::Span) {}
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fn convert(_cx: &AcceptContext<'_>, args: &ArgParser<'_>) -> Option<AttributeKind> {
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assert!(args.no_args());
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Some(AttributeKind::RustcMacroEdition2021)
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}
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}
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