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Implement the unused_macro_rules lint

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This commit is contained in:
est31 2022-04-17 04:01:17 +02:00
parent 3d43be3ad3
commit 0bd2232fe4
8 changed files with 139 additions and 27 deletions
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2
compiler/rustc_resolve/src/lib.rs
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@ -973,6 +973,7 @@ pub struct Resolver<'a> {
local_macro_def_scopes: FxHashMap<LocalDefId, Module<'a>>,
ast_transform_scopes: FxHashMap<LocalExpnId, Module<'a>>,
unused_macros: FxHashMap<LocalDefId, (NodeId, Ident)>,
unused_macro_rules: FxHashMap<(LocalDefId, usize), (Ident, Span)>,
proc_macro_stubs: FxHashSet<LocalDefId>,
/// Traces collected during macro resolution and validated when it's complete.
single_segment_macro_resolutions:
@ -1372,6 +1373,7 @@ impl<'a> Resolver<'a> {
potentially_unused_imports: Vec::new(),
struct_constructors: Default::default(),
unused_macros: Default::default(),
unused_macro_rules: Default::default(),
proc_macro_stubs: Default::default(),
single_segment_macro_resolutions: Default::default(),
multi_segment_macro_resolutions: Default::default(),