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Clean up resolver.record_use().

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This commit is contained in:
Jeffrey Seyfried 2016-07-29 16:04:45 +00:00
parent b107a4e4f6
commit 07c706b57c
1 changed files with 11 additions and 21 deletions
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32
src/librustc_resolve/lib.rs
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@ -1207,29 +1207,22 @@ impl<'a> Resolver<'a> {
match ns { ValueNS => &mut self.value_ribs, TypeNS => &mut self.type_ribs }
}
#[inline]
fn record_use(&mut self, name: Name, binding: &'a NameBinding<'a>) {
fn record_use(&mut self, name: Name, ns: Namespace, binding: &'a NameBinding<'a>) {
// track extern crates for unused_extern_crate lint
if let Some(DefId { krate, .. }) = binding.module().and_then(ModuleS::def_id) {
self.used_crates.insert(krate);
}
let directive = match binding.kind {
NameBindingKind::Import { directive, .. } => directive,
_ => return,
};
if !self.make_glob_map {
return;
}
if self.glob_map.contains_key(&directive.id) {
self.glob_map.get_mut(&directive.id).unwrap().insert(name);
return;
if let NameBindingKind::Import { directive, .. } = binding.kind {
self.used_imports.insert((directive.id, ns));
self.add_to_glob_map(directive.id, name);
}
}
let mut new_set = FnvHashSet();
new_set.insert(name);
self.glob_map.insert(directive.id, new_set);
fn add_to_glob_map(&mut self, id: NodeId, name: Name) {
if self.make_glob_map {
self.glob_map.entry(id).or_insert_with(FnvHashSet).insert(name);
}
}
/// Resolves the given module path from the given root `module_`.
@ -1529,10 +1522,7 @@ impl<'a> Resolver<'a> {
self.populate_module_if_necessary(module);
module.resolve_name(name, namespace, use_lexical_scope).and_then(|binding| {
if record_used {
if let NameBindingKind::Import { directive, .. } = binding.kind {
self.used_imports.insert((directive.id, namespace));
}
self.record_use(name, binding);
self.record_use(name, namespace, binding);
}
Success(binding)
})
@ -3154,10 +3144,10 @@ impl<'a> Resolver<'a> {
if let NameBindingKind::Import { directive, .. } = binding.kind {
let id = directive.id;
this.maybe_unused_trait_imports.insert(id);
this.add_to_glob_map(id, trait_name);
import_id = Some(id);
}
add_trait_info(&mut found_traits, trait_def_id, import_id, name);
this.record_use(trait_name, binding);
}
}
};