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Auto merge of #118500 - ZetaNumbers:tcx_hir_refactor, r=petrochenkov
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Move some methods from `tcx.hir()` to `tcx`

#118256 (comment)

Renamed:
- find -> opt_hir_node
- get -> hir_node
- find_by_def_id -> opt_hir_node_by_def_id
- get_by_def_id -> hir_node_by_def_id
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@bors
bors committed Dec 13, 2023
2 parents 2fdd9ed + 24f009c commit 56d25ba
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Showing 122 changed files with 390 additions and 393 deletions.
30 changes: 16 additions & 14 deletions compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs
View file
Original file line number Diff line number Diff line change
Expand Up @@ -18,7 +18,7 @@ use rustc_middle::mir::{
PlaceRef, ProjectionElem, Rvalue, Statement, StatementKind, Terminator, TerminatorKind,
VarBindingForm,
};
use rustc_middle::ty::{self, suggest_constraining_type_params, PredicateKind, Ty};
use rustc_middle::ty::{self, suggest_constraining_type_params, PredicateKind, Ty, TyCtxt};
use rustc_middle::util::CallKind;
use rustc_mir_dataflow::move_paths::{InitKind, MoveOutIndex, MovePathIndex};
use rustc_span::def_id::LocalDefId;
Expand Down Expand Up @@ -398,7 +398,7 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> {
}
let typeck = self.infcx.tcx.typeck(self.mir_def_id());
let hir_id = hir.parent_id(expr.hir_id);
if let Some(parent) = hir.find(hir_id) {
if let Some(parent) = self.infcx.tcx.opt_hir_node(hir_id) {
let (def_id, args, offset) = if let hir::Node::Expr(parent_expr) = parent
&& let hir::ExprKind::MethodCall(_, _, args, _) = parent_expr.kind
&& let Some(def_id) = typeck.type_dependent_def_id(parent_expr.hir_id)
Expand All @@ -413,7 +413,10 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> {
(None, &[][..], 0)
};
if let Some(def_id) = def_id
&& let Some(node) = hir.find(self.infcx.tcx.local_def_id_to_hir_id(def_id))
&& let Some(node) = self
.infcx
.tcx
.opt_hir_node(self.infcx.tcx.local_def_id_to_hir_id(def_id))
&& let Some(fn_sig) = node.fn_sig()
&& let Some(ident) = node.ident()
&& let Some(pos) = args.iter().position(|arg| arg.hir_id == expr.hir_id)
Expand Down Expand Up @@ -1317,7 +1320,7 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> {
let tcx = self.infcx.tcx;
let hir = tcx.hir();

let Some(body_id) = hir.get(self.mir_hir_id()).body_id() else { return };
let Some(body_id) = tcx.hir_node(self.mir_hir_id()).body_id() else { return };
let typeck_results = tcx.typeck(self.mir_def_id());

struct ExprFinder<'hir> {
Expand Down Expand Up @@ -1509,7 +1512,7 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> {
let local_ty = self.body.local_decls[local].ty;

// Get the body the error happens in
let Some(body_id) = hir.get(self.mir_hir_id()).body_id() else { return };
let Some(body_id) = tcx.hir_node(self.mir_hir_id()).body_id() else { return };

let body_expr = hir.body(body_id).value;

Expand Down Expand Up @@ -1558,7 +1561,7 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> {
// Check that the parent of the closure is a method call,
// with receiver matching with local's type (modulo refs)
let parent = hir.parent_id(closure_expr.hir_id);
if let hir::Node::Expr(parent) = hir.get(parent) {
if let hir::Node::Expr(parent) = tcx.hir_node(parent) {
if let hir::ExprKind::MethodCall(_, recv, ..) = parent.kind {
let recv_ty = typeck_results.expr_ty(recv);

Expand Down Expand Up @@ -1635,15 +1638,14 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> {
issued_spans: &UseSpans<'tcx>,
) {
let UseSpans::ClosureUse { capture_kind_span, .. } = issued_spans else { return };
let hir = self.infcx.tcx.hir();

struct ExpressionFinder<'hir> {
struct ExpressionFinder<'tcx> {
capture_span: Span,
closure_change_spans: Vec<Span>,
closure_arg_span: Option<Span>,
in_closure: bool,
suggest_arg: String,
hir: rustc_middle::hir::map::Map<'hir>,
tcx: TyCtxt<'tcx>,
closure_local_id: Option<hir::HirId>,
closure_call_changes: Vec<(Span, String)>,
}
Expand All @@ -1657,7 +1659,7 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> {
fn_decl: hir::FnDecl { inputs, .. },
..
}) = e.kind
&& let Some(hir::Node::Expr(body)) = self.hir.find(body.hir_id)
&& let Some(hir::Node::Expr(body)) = self.tcx.opt_hir_node(body.hir_id)
{
self.suggest_arg = "this: &Self".to_string();
if inputs.len() > 0 {
Expand Down Expand Up @@ -1722,8 +1724,8 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> {
if let Some(hir::Node::ImplItem(hir::ImplItem {
kind: hir::ImplItemKind::Fn(_fn_sig, body_id),
..
})) = hir.find(self.mir_hir_id())
&& let Some(hir::Node::Expr(expr)) = hir.find(body_id.hir_id)
})) = self.infcx.tcx.opt_hir_node(self.mir_hir_id())
&& let Some(hir::Node::Expr(expr)) = self.infcx.tcx.opt_hir_node(body_id.hir_id)
{
let mut finder = ExpressionFinder {
capture_span: *capture_kind_span,
Expand All @@ -1733,7 +1735,7 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> {
suggest_arg: String::new(),
closure_local_id: None,
closure_call_changes: vec![],
hir,
tcx: self.infcx.tcx,
};
finder.visit_expr(expr);

Expand Down Expand Up @@ -2294,7 +2296,7 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> {
let proper_span = proper_span.source_callsite();
if let Some(scope) = self.body.source_scopes.get(source_info.scope)
&& let ClearCrossCrate::Set(scope_data) = &scope.local_data
&& let Some(node) = self.infcx.tcx.hir().find(scope_data.lint_root)
&& let Some(node) = self.infcx.tcx.opt_hir_node(scope_data.lint_root)
&& let Some(id) = node.body_id()
&& let hir::ExprKind::Block(block, _) = self.infcx.tcx.hir().body(id).value.kind
{
Expand Down
2 changes: 1 addition & 1 deletion compiler/rustc_borrowck/src/diagnostics/explain_borrow.rs
View file
Original file line number Diff line number Diff line change
Expand Up @@ -87,7 +87,7 @@ impl<'tcx> BorrowExplanation<'tcx> {
if let hir::ExprKind::Path(hir::QPath::Resolved(None, p)) = expr.kind
&& let [hir::PathSegment { ident, args: None, .. }] = p.segments
&& let hir::def::Res::Local(hir_id) = p.res
&& let Some(hir::Node::Pat(pat)) = tcx.hir().find(hir_id)
&& let Some(hir::Node::Pat(pat)) = tcx.opt_hir_node(hir_id)
{
err.span_label(pat.span, format!("binding `{ident}` declared here"));
}
Expand Down
53 changes: 26 additions & 27 deletions compiler/rustc_borrowck/src/diagnostics/mutability_errors.rs
View file
Original file line number Diff line number Diff line change
Expand Up @@ -396,7 +396,7 @@ impl<'a, 'tcx> MirBorrowckCtxt<'a, 'tcx> {

let upvar_hir_id = captured_place.get_root_variable();

if let Some(Node::Pat(pat)) = self.infcx.tcx.hir().find(upvar_hir_id)
if let Some(Node::Pat(pat)) = self.infcx.tcx.opt_hir_node(upvar_hir_id)
&& let hir::PatKind::Binding(hir::BindingAnnotation::NONE, _, upvar_ident, _) =
pat.kind
{
Expand Down Expand Up @@ -661,7 +661,6 @@ impl<'a, 'tcx> MirBorrowckCtxt<'a, 'tcx> {
if self.body.local_kind(local) != LocalKind::Arg {
return (false, None);
}
let hir_map = self.infcx.tcx.hir();
let my_def = self.body.source.def_id();
let my_hir = self.infcx.tcx.local_def_id_to_hir_id(my_def.as_local().unwrap());
let Some(td) =
Expand All @@ -671,7 +670,7 @@ impl<'a, 'tcx> MirBorrowckCtxt<'a, 'tcx> {
};
(
true,
td.as_local().and_then(|tld| match hir_map.find_by_def_id(tld) {
td.as_local().and_then(|tld| match self.infcx.tcx.opt_hir_node_by_def_id(tld) {
Some(Node::Item(hir::Item {
kind: hir::ItemKind::Trait(_, _, _, _, items),
..
Expand All @@ -682,25 +681,27 @@ impl<'a, 'tcx> MirBorrowckCtxt<'a, 'tcx> {
if !matches!(k, hir::AssocItemKind::Fn { .. }) {
continue;
}
if hir_map.name(hi) != hir_map.name(my_hir) {
if self.infcx.tcx.hir().name(hi) != self.infcx.tcx.hir().name(my_hir) {
continue;
}
f_in_trait_opt = Some(hi);
break;
}
f_in_trait_opt.and_then(|f_in_trait| match hir_map.find(f_in_trait) {
Some(Node::TraitItem(hir::TraitItem {
kind:
hir::TraitItemKind::Fn(
hir::FnSig { decl: hir::FnDecl { inputs, .. }, .. },
_,
),
..
})) => {
let hir::Ty { span, .. } = inputs[local.index() - 1];
Some(span)
f_in_trait_opt.and_then(|f_in_trait| {
match self.infcx.tcx.opt_hir_node(f_in_trait) {
Some(Node::TraitItem(hir::TraitItem {
kind:
hir::TraitItemKind::Fn(
hir::FnSig { decl: hir::FnDecl { inputs, .. }, .. },
_,
),
..
})) => {
let hir::Ty { span, .. } = inputs[local.index() - 1];
Some(span)
}
_ => None,
}
_ => None,
})
}
_ => None,
Expand Down Expand Up @@ -741,12 +742,11 @@ impl<'a, 'tcx> MirBorrowckCtxt<'a, 'tcx> {
}
}

let hir_map = self.infcx.tcx.hir();
let def_id = self.body.source.def_id();
let hir_id = if let Some(local_def_id) = def_id.as_local()
&& let Some(body_id) = hir_map.maybe_body_owned_by(local_def_id)
&& let Some(body_id) = self.infcx.tcx.hir().maybe_body_owned_by(local_def_id)
{
let body = hir_map.body(body_id);
let body = self.infcx.tcx.hir().body(body_id);
let mut v = BindingFinder { span: pat_span, hir_id: None };
v.visit_body(body);
v.hir_id
Expand All @@ -762,7 +762,7 @@ impl<'a, 'tcx> MirBorrowckCtxt<'a, 'tcx> {
&& let Some(hir::Node::Local(hir::Local {
pat: hir::Pat { kind: hir::PatKind::Ref(_, _), .. },
..
})) = hir_map.find(hir_id)
})) = self.infcx.tcx.opt_hir_node(hir_id)
&& let Ok(name) =
self.infcx.tcx.sess.source_map().span_to_snippet(local_decl.source_info.span)
{
Expand Down Expand Up @@ -942,7 +942,7 @@ impl<'a, 'tcx> MirBorrowckCtxt<'a, 'tcx> {
let closure_id = self.mir_hir_id();
let closure_span = self.infcx.tcx.def_span(self.mir_def_id());
let fn_call_id = hir.parent_id(closure_id);
let node = hir.get(fn_call_id);
let node = self.infcx.tcx.hir_node(fn_call_id);
let def_id = hir.enclosing_body_owner(fn_call_id);
let mut look_at_return = true;
// If we can detect the expression to be an `fn` call where the closure was an argument,
Expand Down Expand Up @@ -1001,7 +1001,7 @@ impl<'a, 'tcx> MirBorrowckCtxt<'a, 'tcx> {
if look_at_return && hir.get_return_block(closure_id).is_some() {
// ...otherwise we are probably in the tail expression of the function, point at the
// return type.
match hir.get_by_def_id(hir.get_parent_item(fn_call_id).def_id) {
match self.infcx.tcx.hir_node_by_def_id(hir.get_parent_item(fn_call_id).def_id) {
hir::Node::Item(hir::Item { ident, kind: hir::ItemKind::Fn(sig, ..), .. })
| hir::Node::TraitItem(hir::TraitItem {
ident,
Expand Down Expand Up @@ -1199,12 +1199,11 @@ impl<'a, 'tcx> MirBorrowckCtxt<'a, 'tcx> {
hir::intravisit::walk_stmt(self, s);
}
}
let hir_map = self.infcx.tcx.hir();
let def_id = self.body.source.def_id();
let hir_id = if let Some(local_def_id) = def_id.as_local()
&& let Some(body_id) = hir_map.maybe_body_owned_by(local_def_id)
&& let Some(body_id) = self.infcx.tcx.hir().maybe_body_owned_by(local_def_id)
{
let body = hir_map.body(body_id);
let body = self.infcx.tcx.hir().body(body_id);
let mut v = BindingFinder { span: err_label_span, hir_id: None };
v.visit_body(body);
v.hir_id
Expand All @@ -1213,7 +1212,7 @@ impl<'a, 'tcx> MirBorrowckCtxt<'a, 'tcx> {
};

if let Some(hir_id) = hir_id
&& let Some(hir::Node::Local(local)) = hir_map.find(hir_id)
&& let Some(hir::Node::Local(local)) = self.infcx.tcx.opt_hir_node(hir_id)
{
let tables = self.infcx.tcx.typeck(def_id.as_local().unwrap());
if let Some(clone_trait) = self.infcx.tcx.lang_items().clone_trait()
Expand Down Expand Up @@ -1496,7 +1495,7 @@ fn get_mut_span_in_struct_field<'tcx>(
&& let ty::Adt(def, _) = ty.kind()
&& let field = def.all_fields().nth(field.index())?
// Use the HIR types to construct the diagnostic message.
&& let node = tcx.hir().find_by_def_id(field.did.as_local()?)?
&& let node = tcx.opt_hir_node_by_def_id(field.did.as_local()?)?
// Now we're dealing with the actual struct that we're going to suggest a change to,
// we can expect a field that is an immutable reference to a type.
&& let hir::Node::Field(field) = node
Expand Down
10 changes: 5 additions & 5 deletions compiler/rustc_borrowck/src/diagnostics/region_name.rs
View file
Original file line number Diff line number Diff line change
Expand Up @@ -672,7 +672,7 @@ impl<'tcx> MirBorrowckCtxt<'_, 'tcx> {

let mir_hir_id = self.mir_hir_id();

let (return_span, mir_description, hir_ty) = match hir.get(mir_hir_id) {
let (return_span, mir_description, hir_ty) = match tcx.hir_node(mir_hir_id) {
hir::Node::Expr(hir::Expr {
kind: hir::ExprKind::Closure(&hir::Closure { fn_decl, body, fn_decl_span, .. }),
..
Expand All @@ -689,7 +689,7 @@ impl<'tcx> MirBorrowckCtxt<'_, 'tcx> {
hir::CoroutineSource::Closure => " of async closure",
hir::CoroutineSource::Fn => {
let parent_item =
hir.get_by_def_id(hir.get_parent_item(mir_hir_id).def_id);
tcx.hir_node_by_def_id(hir.get_parent_item(mir_hir_id).def_id);
let output = &parent_item
.fn_decl()
.expect("coroutine lowered from async fn should be in fn")
Expand All @@ -706,7 +706,7 @@ impl<'tcx> MirBorrowckCtxt<'_, 'tcx> {
hir::CoroutineSource::Closure => " of gen closure",
hir::CoroutineSource::Fn => {
let parent_item =
hir.get_by_def_id(hir.get_parent_item(mir_hir_id).def_id);
tcx.hir_node_by_def_id(hir.get_parent_item(mir_hir_id).def_id);
let output = &parent_item
.fn_decl()
.expect("coroutine lowered from gen fn should be in fn")
Expand All @@ -721,7 +721,7 @@ impl<'tcx> MirBorrowckCtxt<'_, 'tcx> {
hir::CoroutineSource::Closure => " of async gen closure",
hir::CoroutineSource::Fn => {
let parent_item =
hir.get_by_def_id(hir.get_parent_item(mir_hir_id).def_id);
tcx.hir_node_by_def_id(hir.get_parent_item(mir_hir_id).def_id);
let output = &parent_item
.fn_decl()
.expect("coroutine lowered from async gen fn should be in fn")
Expand Down Expand Up @@ -841,7 +841,7 @@ impl<'tcx> MirBorrowckCtxt<'_, 'tcx> {
let type_name =
self.infcx.extract_inference_diagnostics_data(yield_ty.into(), Some(highlight)).name;

let yield_span = match tcx.hir().get(self.mir_hir_id()) {
let yield_span = match tcx.hir_node(self.mir_hir_id()) {
hir::Node::Expr(hir::Expr {
kind: hir::ExprKind::Closure(&hir::Closure { fn_decl_span, .. }),
..
Expand Down
2 changes: 1 addition & 1 deletion compiler/rustc_const_eval/src/const_eval/fn_queries.rs
View file
Original file line number Diff line number Diff line change
Expand Up @@ -33,7 +33,7 @@ pub fn is_parent_const_impl_raw(tcx: TyCtxt<'_>, def_id: LocalDefId) -> bool {
/// return if it has a `const` modifier. If it is an intrinsic, report whether said intrinsic
/// has a `rustc_const_{un,}stable` attribute. Otherwise, return `Constness::NotConst`.
fn constness(tcx: TyCtxt<'_>, def_id: LocalDefId) -> hir::Constness {
let node = tcx.hir().get_by_def_id(def_id);
let node = tcx.hir_node_by_def_id(def_id);

match node {
hir::Node::Ctor(_)
Expand Down
2 changes: 1 addition & 1 deletion compiler/rustc_const_eval/src/interpret/validity.rs
View file
Original file line number Diff line number Diff line change
Expand Up @@ -227,7 +227,7 @@ impl<'rt, 'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> ValidityVisitor<'rt, 'mir, '
// Sometimes the index is beyond the number of upvars (seen
// for a coroutine).
let var_hir_id = captured_place.get_root_variable();
let node = self.ecx.tcx.hir().get(var_hir_id);
let node = self.ecx.tcx.hir_node(var_hir_id);
if let hir::Node::Pat(pat) = node {
if let hir::PatKind::Binding(_, _, ident, _) = pat.kind {
name = Some(ident.name);
Expand Down
3 changes: 1 addition & 2 deletions compiler/rustc_const_eval/src/transform/check_consts/ops.rs
View file
Original file line number Diff line number Diff line change
Expand Up @@ -119,8 +119,7 @@ impl<'tcx> NonConstOp<'tcx> for FnCallNonConst<'tcx> {
match self_ty.kind() {
Param(param_ty) => {
debug!(?param_ty);
let caller_hir_id = tcx.local_def_id_to_hir_id(caller);
if let Some(generics) = tcx.hir().get(caller_hir_id).generics() {
if let Some(generics) = tcx.hir_node_by_def_id(caller).generics() {
let constraint = with_no_trimmed_paths!(format!(
"~const {}",
trait_ref.print_only_trait_path()
Expand Down
2 changes: 1 addition & 1 deletion compiler/rustc_hir_analysis/src/astconv/lint.rs
View file
Original file line number Diff line number Diff line change
Expand Up @@ -24,7 +24,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o {
..
}),
..
}) = tcx.hir().get_by_def_id(parent_id)
}) = tcx.hir_node_by_def_id(parent_id)
&& self_ty.hir_id == impl_self_ty.hir_id
{
if !of_trait_ref.trait_def_id().is_some_and(|def_id| def_id.is_local()) {
Expand Down
2 changes: 1 addition & 1 deletion compiler/rustc_hir_analysis/src/astconv/mod.rs
View file
Original file line number Diff line number Diff line change
Expand Up @@ -2715,7 +2715,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o {
let hir = tcx.hir();

let hir::Node::ImplItem(hir::ImplItem { kind: hir::ImplItemKind::Fn(..), ident, .. }) =
hir.get(fn_hir_id)
tcx.hir_node(fn_hir_id)
else {
return None;
};
Expand Down
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