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Move remaining NodeId APIs from Definitions to Resolver #73587

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merged 3 commits into from
Jun 24, 2020
+258 −242
Merged

Move remaining NodeId APIs from Definitions to Resolver #73587

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f60513e
Move remaining `NodeId` APIs from `Definitions` to `Resolver`
marmeladema Jun 20, 2020
1d3f49f
Always create a root definition when creating a new `Definitions` obj…
marmeladema Jun 21, 2020
bd4f6f0
Move `next_disambiguator` to `Resolver`
marmeladema Jun 21, 2020
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Move remaining NodeId APIs from Definitions to Resolver
@marmeladema
marmeladema committed Jun 21, 2020
commit f60513ec8d97414a346cedb755a4cac3abd55ed1
1 change: 1 addition & 0 deletions Cargo.lock
View file
Original file line number Diff line number Diff line change
@@ -4242,6 +4242,7 @@ dependencies = [
"rustc_expand",
"rustc_feature",
"rustc_hir",
"rustc_index",
"rustc_metadata",
"rustc_middle",
"rustc_session",
17 changes: 6 additions & 11 deletions src/librustc_ast_lowering/item.rs
View file
Original file line number Diff line number Diff line change
@@ -253,7 +253,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
hir::ItemKind::Const(ty, body_id)
}
ItemKind::Fn(_, FnSig { ref decl, header }, ref generics, ref body) => {
let fn_def_id = self.resolver.definitions().local_def_id(id);
let fn_def_id = self.resolver.local_def_id(id);
self.with_new_scopes(|this| {
this.current_item = Some(ident.span);

@@ -342,7 +342,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
self_ty: ref ty,
items: ref impl_items,
} => {
let def_id = self.resolver.definitions().local_def_id(id);
let def_id = self.resolver.local_def_id(id);

// Lower the "impl header" first. This ordering is important
// for in-band lifetimes! Consider `'a` here:
@@ -646,7 +646,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
}

fn lower_foreign_item(&mut self, i: &ForeignItem) -> hir::ForeignItem<'hir> {
let def_id = self.resolver.definitions().local_def_id(i.id);
let def_id = self.resolver.local_def_id(i.id);
hir::ForeignItem {
hir_id: self.lower_node_id(i.id),
ident: i.ident,
@@ -747,7 +747,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
}

fn lower_trait_item(&mut self, i: &AssocItem) -> hir::TraitItem<'hir> {
let trait_item_def_id = self.resolver.definitions().local_def_id(i.id);
let trait_item_def_id = self.resolver.local_def_id(i.id);

let (generics, kind) = match i.kind {
AssocItemKind::Const(_, ref ty, ref default) => {
@@ -812,7 +812,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
}

fn lower_impl_item(&mut self, i: &AssocItem) -> hir::ImplItem<'hir> {
let impl_item_def_id = self.resolver.definitions().local_def_id(i.id);
let impl_item_def_id = self.resolver.local_def_id(i.id);

let (generics, kind) = match &i.kind {
AssocItemKind::Const(_, ty, expr) => {
@@ -1320,12 +1320,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
if let Some(def_id) = def_id.as_local() {
for param in &generics.params {
if let GenericParamKind::Type { .. } = param.kind {
if def_id
== self
.resolver
.definitions()
.local_def_id(param.id)
{
if def_id == self.resolver.local_def_id(param.id) {
add_bounds
.entry(param.id)
.or_default()
50 changes: 37 additions & 13 deletions src/librustc_ast_lowering/lib.rs
View file
Original file line number Diff line number Diff line change
@@ -54,7 +54,7 @@ use rustc_hir::def_id::{DefId, DefIdMap, LocalDefId, CRATE_DEF_INDEX};
use rustc_hir::definitions::{DefKey, DefPathData, Definitions};
use rustc_hir::intravisit;
use rustc_hir::{ConstArg, GenericArg, ParamName};
use rustc_index::vec::IndexVec;
use rustc_index::vec::{Idx, IndexVec};
use rustc_session::config::nightly_options;
use rustc_session::lint::{builtin::BARE_TRAIT_OBJECTS, BuiltinLintDiagnostics, LintBuffer};
use rustc_session::parse::ParseSess;
@@ -205,6 +205,19 @@ pub trait Resolver {
fn next_node_id(&mut self) -> NodeId;

fn trait_map(&self) -> &NodeMap<Vec<hir::TraitCandidate>>;

fn opt_local_def_id(&self, node: NodeId) -> Option<LocalDefId>;

fn local_def_id(&self, node: NodeId) -> LocalDefId;

fn create_def_with_parent(
&mut self,
parent: LocalDefId,
node_id: ast::NodeId,
data: DefPathData,
expn_id: ExpnId,
span: Span,
) -> LocalDefId;
}

type NtToTokenstream = fn(&Nonterminal, &ParseSess, Span) -> TokenStream;
@@ -436,7 +449,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
match tree.kind {
UseTreeKind::Simple(_, id1, id2) => {
for &id in &[id1, id2] {
self.lctx.resolver.definitions().create_def_with_parent(
self.lctx.resolver.create_def_with_parent(
owner,
id,
DefPathData::Misc,
@@ -488,7 +501,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
| ItemKind::Enum(_, ref generics)
| ItemKind::TyAlias(_, ref generics, ..)
| ItemKind::Trait(_, _, ref generics, ..) => {
let def_id = self.lctx.resolver.definitions().local_def_id(item.id);
let def_id = self.lctx.resolver.local_def_id(item.id);
let count = generics
.params
.iter()
@@ -564,7 +577,18 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
.map(|(&k, v)| (self.node_id_to_hir_id[k].unwrap(), v.clone()))
.collect();

self.resolver.definitions().init_node_id_to_hir_id_mapping(self.node_id_to_hir_id);
let mut def_id_to_hir_id = IndexVec::default();

for (node_id, hir_id) in self.node_id_to_hir_id.into_iter_enumerated() {
if let Some(def_id) = self.resolver.opt_local_def_id(node_id) {
if def_id_to_hir_id.len() <= def_id.index() {
def_id_to_hir_id.resize(def_id.index() + 1, None);
}
def_id_to_hir_id[def_id] = hir_id;
}
}

self.resolver.definitions().init_def_id_to_hir_id_mapping(def_id_to_hir_id);

hir::Crate {
item: hir::CrateItem { module, attrs, span: c.span },
@@ -628,7 +652,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
.item_local_id_counters
.insert(owner, HIR_ID_COUNTER_LOCKED)
.unwrap_or_else(|| panic!("no `item_local_id_counters` entry for {:?}", owner));
let def_id = self.resolver.definitions().local_def_id(owner);
let def_id = self.resolver.local_def_id(owner);
self.current_hir_id_owner.push((def_id, counter));
let ret = f(self);
let (new_def_id, new_counter) = self.current_hir_id_owner.pop().unwrap();
@@ -671,7 +695,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
debug_assert!(local_id != HIR_ID_COUNTER_LOCKED);

*local_id_counter += 1;
let owner = this.resolver.definitions().opt_local_def_id(owner).expect(
let owner = this.resolver.opt_local_def_id(owner).expect(
"you forgot to call `create_def_with_parent` or are lowering node-IDs \
that do not belong to the current owner",
);
@@ -800,7 +824,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
};

// Add a definition for the in-band lifetime def.
self.resolver.definitions().create_def_with_parent(
self.resolver.create_def_with_parent(
parent_def_id,
node_id,
DefPathData::LifetimeNs(str_name),
@@ -1088,7 +1112,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {

let impl_trait_node_id = self.resolver.next_node_id();
let parent_def_id = self.current_hir_id_owner.last().unwrap().0;
self.resolver.definitions().create_def_with_parent(
self.resolver.create_def_with_parent(
parent_def_id,
impl_trait_node_id,
DefPathData::ImplTrait,
@@ -1154,7 +1178,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
let node_id = self.resolver.next_node_id();

// Add a definition for the in-band const def.
self.resolver.definitions().create_def_with_parent(
self.resolver.create_def_with_parent(
parent_def_id,
node_id,
DefPathData::AnonConst,
@@ -1339,7 +1363,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
}
ImplTraitContext::Universal(in_band_ty_params) => {
// Add a definition for the in-band `Param`.
let def_id = self.resolver.definitions().local_def_id(def_node_id);
let def_id = self.resolver.local_def_id(def_node_id);

let hir_bounds = self.lower_param_bounds(
bounds,
@@ -1428,7 +1452,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
// frequently opened issues show.
let opaque_ty_span = self.mark_span_with_reason(DesugaringKind::OpaqueTy, span, None);

let opaque_ty_def_id = self.resolver.definitions().local_def_id(opaque_ty_node_id);
let opaque_ty_def_id = self.resolver.local_def_id(opaque_ty_node_id);

self.allocate_hir_id_counter(opaque_ty_node_id);

@@ -1620,7 +1644,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
let def_node_id = self.context.resolver.next_node_id();
let hir_id =
self.context.lower_node_id_with_owner(def_node_id, self.opaque_ty_id);
self.context.resolver.definitions().create_def_with_parent(
self.context.resolver.create_def_with_parent(
self.parent,
def_node_id,
DefPathData::LifetimeNs(name.ident().name),
@@ -1870,7 +1894,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {

let opaque_ty_span = self.mark_span_with_reason(DesugaringKind::Async, span, None);

let opaque_ty_def_id = self.resolver.definitions().local_def_id(opaque_ty_node_id);
let opaque_ty_def_id = self.resolver.local_def_id(opaque_ty_node_id);

self.allocate_hir_id_counter(opaque_ty_node_id);

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