Implement the unused_macro_rules lint

2022-04-17 04:01:17 +02:00
parent 3d43be3ad3
commit 0bd2232fe4
8 changed files with 139 additions and 27 deletions
--- a/compiler/rustc_expand/src/base.rs
+++ b/compiler/rustc_expand/src/base.rs
@@ -887,6 +887,8 @@ pub trait ResolverExpand {
        force: bool,
    ) -> Result<Lrc<SyntaxExtension>, Indeterminate>;

+    fn record_macro_rule_usage(&mut self, mac_id: NodeId, rule_index: usize);
+
    fn check_unused_macros(&mut self);

    // Resolver interfaces for specific built-in macros.