use std::cell::{Cell, RefCell};
use std::collections::BTreeSet;
use std::{cmp, fmt, ptr};
-use tracing::debug;
use diagnostics::{ImportSuggestion, LabelSuggestion, Suggestion};
use imports::{Import, ImportKind, ImportResolver, NameResolution};
label_res_map: NodeMap<NodeId>,
/// Resolutions for lifetimes.
lifetimes_res_map: NodeMap<LifetimeRes>,
- /// Mapping from generics `def_id`s to TAIT generics `def_id`s.
- /// For each captured lifetime (e.g., 'a), we create a new lifetime parameter that is a generic
- /// defined on the TAIT, so we have type Foo<'a1> = ... and we establish a mapping in this
- /// field from the original parameter 'a to the new parameter 'a1.
- generics_def_id_map: Vec<FxHashMap<LocalDefId, LocalDefId>>,
/// Lifetime parameters that lowering will have to introduce.
extra_lifetime_params_map: NodeMap<Vec<(Ident, NodeId, LifetimeRes)>>,
import_res_map: Default::default(),
label_res_map: Default::default(),
lifetimes_res_map: Default::default(),
- generics_def_id_map: Vec::new(),
extra_lifetime_params_map: Default::default(),
extern_crate_map: Default::default(),
reexport_map: FxHashMap::default(),
import_res_map: self.import_res_map,
label_res_map: self.label_res_map,
lifetimes_res_map: self.lifetimes_res_map,
- generics_def_id_map: self.generics_def_id_map,
extra_lifetime_params_map: self.extra_lifetime_params_map,
next_node_id: self.next_node_id,
node_id_to_def_id: self.node_id_to_def_id,
import_res_map: self.import_res_map.clone(),
label_res_map: self.label_res_map.clone(),
lifetimes_res_map: self.lifetimes_res_map.clone(),
- generics_def_id_map: self.generics_def_id_map.clone(),
extra_lifetime_params_map: self.extra_lifetime_params_map.clone(),
next_node_id: self.next_node_id.clone(),
node_id_to_def_id: self.node_id_to_def_id.clone(),
}
self.main_def = Some(MainDefinition { res, is_import, span });
}
+
+ // Items that go to reexport table encoded to metadata and visible through it to other crates.
+ fn is_reexport(&self, binding: &NameBinding<'a>) -> Option<def::Res<!>> {
+ // FIXME: Consider changing the binding inserted by `#[macro_export] macro_rules`
+ // into the crate root to actual `NameBindingKind::Import`.
+ if binding.is_import()
+ || matches!(binding.kind, NameBindingKind::Res(_, _is_macro_export @ true))
+ {
+ let res = binding.res().expect_non_local();
+ // Ambiguous imports are treated as errors at this point and are
+ // not exposed to other crates (see #36837 for more details).
+ if res != def::Res::Err && !binding.is_ambiguity() {
+ return Some(res);
+ }
+ }
+
+ return None;
+ }
}
fn names_to_string(names: &[Symbol]) -> String {