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6072207a11
lint on duplicates during attribute parsing To do this we stuff them in the diagnostic context to be emitted after hir is constructed
24 lines
863 B
Rust
24 lines
863 B
Rust
use rustc_attr_data_structures::lints::AttributeLint;
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use rustc_data_structures::fingerprint::Fingerprint;
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use rustc_macros::HashStable_Generic;
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use crate::HirId;
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/// During ast lowering, no lints can be emitted.
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/// That is because lints attach to nodes either in the AST, or on the built HIR.
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/// When attached to AST nodes, they're emitted just before building HIR,
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/// and then there's a gap where no lints can be emitted until HIR is done.
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/// The variants in this enum represent lints that are temporarily stashed during
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/// AST lowering to be emitted once HIR is built.
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#[derive(Clone, Debug, HashStable_Generic)]
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pub enum DelayedLint {
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AttributeParsing(AttributeLint<HirId>),
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}
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#[derive(Debug)]
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pub struct DelayedLints {
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pub lints: Box<[DelayedLint]>,
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// Only present when the crate hash is needed.
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pub opt_hash: Option<Fingerprint>,
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}
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