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Merged
merged 12 commits into from
Aug 15, 2024
Merged

[beta] backports and bump stage0 #129033

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73f1331
Disable jump threading of float equality
Noratrieb Jul 27, 2024
9fce4e1
Normalize when equating dyn tails in MIR borrowck
compiler-errors Aug 5, 2024
fa977e8
Improve panic message and surrounding documentation for Ord violations
Voultapher Jul 27, 2024
a3446ae
Improve panic sections for sort*, sort_unstable* and select_nth_unsta…
Voultapher Jul 27, 2024
2a4e738
Apply review comments
Voultapher Jul 31, 2024
2810c2a
Hide internal sort module
Voultapher Aug 1, 2024
cecf4a1
Apply review comments to PartialOrd section
Voultapher Aug 3, 2024
2d78075
Fix linkchecker issue
Voultapher Aug 9, 2024
97e5fb6
bump stage0 to stable 1.80.1
cuviper Aug 13, 2024
9fe9265
Revert "Auto merge of #125915 - camelid:const-arg-refactor, r=BoxyUwU"
BoxyUwU Aug 6, 2024
418695d
derive(SmartPointer): register helper attributes
dingxiangfei2009 Aug 10, 2024
ef56e6f
Fix bug in `Parser::look_ahead`.
nnethercote Aug 12, 2024
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23 changes: 10 additions & 13 deletions compiler/rustc_ast_lowering/src/asm.rs
View file
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Original file line number Diff line number Diff line change
Expand Up @@ -187,7 +187,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
.emit();
}
hir::InlineAsmOperand::Const {
anon_const: self.lower_anon_const_to_anon_const(anon_const),
anon_const: self.lower_anon_const(anon_const),
}
}
InlineAsmOperand::Sym { sym } => {
Expand Down Expand Up @@ -222,21 +222,18 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
};

// Wrap the expression in an AnonConst.
let parent_def_id = self.current_def_id_parent;
let parent_def_id = self.current_hir_id_owner;
let node_id = self.next_node_id();
// HACK(min_generic_const_args): see lower_anon_const
if !expr.is_potential_trivial_const_arg() {
self.create_def(
parent_def_id,
node_id,
kw::Empty,
DefKind::AnonConst,
*op_sp,
);
}
self.create_def(
parent_def_id.def_id,
node_id,
kw::Empty,
DefKind::AnonConst,
*op_sp,
);
let anon_const = AnonConst { id: node_id, value: P(expr) };
hir::InlineAsmOperand::SymFn {
anon_const: self.lower_anon_const_to_anon_const(&anon_const),
anon_const: self.lower_anon_const(&anon_const),
}
}
}
Expand Down
135 changes: 62 additions & 73 deletions compiler/rustc_ast_lowering/src/expr.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -75,15 +75,10 @@ impl<'hir> LoweringContext<'_, 'hir> {
let kind = match &e.kind {
ExprKind::Array(exprs) => hir::ExprKind::Array(self.lower_exprs(exprs)),
ExprKind::ConstBlock(c) => {
let c = self.with_new_scopes(c.value.span, |this| {
let def_id = this.local_def_id(c.id);
hir::ConstBlock {
def_id,
hir_id: this.lower_node_id(c.id),
body: this.with_def_id_parent(def_id, |this| {
this.lower_const_body(c.value.span, Some(&c.value))
}),
}
let c = self.with_new_scopes(c.value.span, |this| hir::ConstBlock {
def_id: this.local_def_id(c.id),
hir_id: this.lower_node_id(c.id),
body: this.lower_const_body(c.value.span, Some(&c.value)),
});
hir::ExprKind::ConstBlock(c)
}
Expand Down Expand Up @@ -382,14 +377,17 @@ impl<'hir> LoweringContext<'_, 'hir> {
let mut generic_args = ThinVec::new();
for (idx, arg) in args.into_iter().enumerate() {
if legacy_args_idx.contains(&idx) {
let parent_def_id = self.current_def_id_parent;
let parent_def_id = self.current_hir_id_owner;
let node_id = self.next_node_id();

// HACK(min_generic_const_args): see lower_anon_const
if !arg.is_potential_trivial_const_arg() {
// Add a definition for the in-band const def.
self.create_def(parent_def_id, node_id, kw::Empty, DefKind::AnonConst, f.span);
}
// Add a definition for the in-band const def.
self.create_def(
parent_def_id.def_id,
node_id,
kw::Empty,
DefKind::AnonConst,
f.span,
);

let anon_const = AnonConst { id: node_id, value: arg };
generic_args.push(AngleBracketedArg::Arg(GenericArg::Const(anon_const)));
Expand Down Expand Up @@ -624,7 +622,6 @@ impl<'hir> LoweringContext<'_, 'hir> {
coroutine_source: hir::CoroutineSource,
body: impl FnOnce(&mut Self) -> hir::Expr<'hir>,
) -> hir::ExprKind<'hir> {
let closure_def_id = self.local_def_id(closure_node_id);
let coroutine_kind = hir::CoroutineKind::Desugared(desugaring_kind, coroutine_source);

// The `async` desugaring takes a resume argument and maintains a `task_context`,
Expand Down Expand Up @@ -675,24 +672,22 @@ impl<'hir> LoweringContext<'_, 'hir> {
lifetime_elision_allowed: false,
});

let body = self.with_def_id_parent(closure_def_id, move |this| {
this.lower_body(move |this| {
this.coroutine_kind = Some(coroutine_kind);
let body = self.lower_body(move |this| {
this.coroutine_kind = Some(coroutine_kind);

let old_ctx = this.task_context;
if task_context.is_some() {
this.task_context = task_context;
}
let res = body(this);
this.task_context = old_ctx;
let old_ctx = this.task_context;
if task_context.is_some() {
this.task_context = task_context;
}
let res = body(this);
this.task_context = old_ctx;

(params, res)
})
(params, res)
});

// `static |<_task_context?>| -> <return_ty> { <body> }`:
hir::ExprKind::Closure(self.arena.alloc(hir::Closure {
def_id: closure_def_id,
def_id: self.local_def_id(closure_node_id),
binder: hir::ClosureBinder::Default,
capture_clause,
bound_generic_params: &[],
Expand Down Expand Up @@ -971,38 +966,35 @@ impl<'hir> LoweringContext<'_, 'hir> {
fn_decl_span: Span,
fn_arg_span: Span,
) -> hir::ExprKind<'hir> {
let closure_def_id = self.local_def_id(closure_id);
let (binder_clause, generic_params) = self.lower_closure_binder(binder);

let (body_id, closure_kind) = self.with_new_scopes(fn_decl_span, move |this| {
this.with_def_id_parent(closure_def_id, move |this| {
let mut coroutine_kind = if this
.attrs
.get(&closure_hir_id.local_id)
.is_some_and(|attrs| attrs.iter().any(|attr| attr.has_name(sym::coroutine)))
{
Some(hir::CoroutineKind::Coroutine(Movability::Movable))
} else {
None
};
let body_id = this.lower_fn_body(decl, |this| {
this.coroutine_kind = coroutine_kind;
let e = this.lower_expr_mut(body);
coroutine_kind = this.coroutine_kind;
e
});
let coroutine_option =
this.closure_movability_for_fn(decl, fn_decl_span, coroutine_kind, movability);
(body_id, coroutine_option)
})
let mut coroutine_kind = if this
.attrs
.get(&closure_hir_id.local_id)
.is_some_and(|attrs| attrs.iter().any(|attr| attr.has_name(sym::coroutine)))
{
Some(hir::CoroutineKind::Coroutine(Movability::Movable))
} else {
None
};
let body_id = this.lower_fn_body(decl, |this| {
this.coroutine_kind = coroutine_kind;
let e = this.lower_expr_mut(body);
coroutine_kind = this.coroutine_kind;
e
});
let coroutine_option =
this.closure_movability_for_fn(decl, fn_decl_span, coroutine_kind, movability);
(body_id, coroutine_option)
});

let bound_generic_params = self.lower_lifetime_binder(closure_id, generic_params);
// Lower outside new scope to preserve `is_in_loop_condition`.
let fn_decl = self.lower_fn_decl(decl, closure_id, fn_decl_span, FnDeclKind::Closure, None);

let c = self.arena.alloc(hir::Closure {
def_id: closure_def_id,
def_id: self.local_def_id(closure_id),
binder: binder_clause,
capture_clause,
bound_generic_params,
Expand Down Expand Up @@ -1074,7 +1066,6 @@ impl<'hir> LoweringContext<'_, 'hir> {
fn_decl_span: Span,
fn_arg_span: Span,
) -> hir::ExprKind<'hir> {
let closure_def_id = self.local_def_id(closure_id);
let (binder_clause, generic_params) = self.lower_closure_binder(binder);

assert_matches!(
Expand All @@ -1084,29 +1075,27 @@ impl<'hir> LoweringContext<'_, 'hir> {
);

let body = self.with_new_scopes(fn_decl_span, |this| {
this.with_def_id_parent(closure_def_id, |this| {
let inner_decl =
FnDecl { inputs: decl.inputs.clone(), output: FnRetTy::Default(fn_decl_span) };

// Transform `async |x: u8| -> X { ... }` into
// `|x: u8| || -> X { ... }`.
let body_id = this.lower_body(|this| {
let (parameters, expr) = this.lower_coroutine_body_with_moved_arguments(
&inner_decl,
|this| this.with_new_scopes(fn_decl_span, |this| this.lower_expr_mut(body)),
fn_decl_span,
body.span,
coroutine_kind,
hir::CoroutineSource::Closure,
);
let inner_decl =
FnDecl { inputs: decl.inputs.clone(), output: FnRetTy::Default(fn_decl_span) };

// Transform `async |x: u8| -> X { ... }` into
// `|x: u8| || -> X { ... }`.
let body_id = this.lower_body(|this| {
let (parameters, expr) = this.lower_coroutine_body_with_moved_arguments(
&inner_decl,
|this| this.with_new_scopes(fn_decl_span, |this| this.lower_expr_mut(body)),
fn_decl_span,
body.span,
coroutine_kind,
hir::CoroutineSource::Closure,
);

let hir_id = this.lower_node_id(coroutine_kind.closure_id());
this.maybe_forward_track_caller(body.span, closure_hir_id, hir_id);
let hir_id = this.lower_node_id(coroutine_kind.closure_id());
this.maybe_forward_track_caller(body.span, closure_hir_id, hir_id);

(parameters, expr)
});
body_id
})
(parameters, expr)
});
body_id
});

let bound_generic_params = self.lower_lifetime_binder(closure_id, generic_params);
Expand All @@ -1117,7 +1106,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
self.lower_fn_decl(&decl, closure_id, fn_decl_span, FnDeclKind::Closure, None);

let c = self.arena.alloc(hir::Closure {
def_id: closure_def_id,
def_id: self.local_def_id(closure_id),
binder: binder_clause,
capture_clause,
bound_generic_params,
Expand Down
12 changes: 1 addition & 11 deletions compiler/rustc_ast_lowering/src/index.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -181,7 +181,7 @@ impl<'a, 'hir> Visitor<'hir> for NodeCollector<'a, 'hir> {
intravisit::walk_generic_param(self, param);
}

fn visit_const_param_default(&mut self, param: HirId, ct: &'hir ConstArg<'hir>) {
fn visit_const_param_default(&mut self, param: HirId, ct: &'hir AnonConst) {
self.with_parent(param, |this| {
intravisit::walk_const_param_default(this, ct);
})
Expand Down Expand Up @@ -229,7 +229,6 @@ impl<'a, 'hir> Visitor<'hir> for NodeCollector<'a, 'hir> {
}

fn visit_anon_const(&mut self, constant: &'hir AnonConst) {
// FIXME: use real span?
self.insert(DUMMY_SP, constant.hir_id, Node::AnonConst(constant));

self.with_parent(constant.hir_id, |this| {
Expand All @@ -245,15 +244,6 @@ impl<'a, 'hir> Visitor<'hir> for NodeCollector<'a, 'hir> {
});
}

fn visit_const_arg(&mut self, const_arg: &'hir ConstArg<'hir>) {
// FIXME: use real span?
self.insert(DUMMY_SP, const_arg.hir_id, Node::ConstArg(const_arg));

self.with_parent(const_arg.hir_id, |this| {
intravisit::walk_const_arg(this, const_arg);
});
}

fn visit_expr(&mut self, expr: &'hir Expr<'hir>) {
self.insert(expr.span, expr.hir_id, Node::Expr(expr));

Expand Down
29 changes: 10 additions & 19 deletions compiler/rustc_ast_lowering/src/item.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -61,10 +61,7 @@ impl<'a, 'hir> ItemLowerer<'a, 'hir> {

for (def_id, info) in lctx.children {
let owner = self.owners.ensure_contains_elem(def_id, || hir::MaybeOwner::Phantom);
debug_assert!(
matches!(owner, hir::MaybeOwner::Phantom),
"duplicate copy of {def_id:?} in lctx.children"
);
debug_assert!(matches!(owner, hir::MaybeOwner::Phantom));
*owner = info;
}
}
Expand Down Expand Up @@ -716,7 +713,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
hir_id,
def_id: self.local_def_id(v.id),
data: self.lower_variant_data(hir_id, &v.data),
disr_expr: v.disr_expr.as_ref().map(|e| self.lower_anon_const_to_anon_const(e)),
disr_expr: v.disr_expr.as_ref().map(|e| self.lower_anon_const(e)),
ident: self.lower_ident(v.ident),
span: self.lower_span(v.span),
}
Expand Down Expand Up @@ -1604,15 +1601,15 @@ impl<'hir> LoweringContext<'_, 'hir> {

if let Some((span, hir_id, def_id)) = host_param_parts {
let const_node_id = self.next_node_id();
let anon_const_did =
let anon_const =
self.create_def(def_id, const_node_id, kw::Empty, DefKind::AnonConst, span);

let const_id = self.next_id();
let const_expr_id = self.next_id();
let bool_id = self.next_id();

self.children.push((def_id, hir::MaybeOwner::NonOwner(hir_id)));
self.children.push((anon_const_did, hir::MaybeOwner::NonOwner(const_id)));
self.children.push((anon_const, hir::MaybeOwner::NonOwner(const_id)));

let const_body = self.lower_body(|this| {
(
Expand All @@ -1627,17 +1624,6 @@ impl<'hir> LoweringContext<'_, 'hir> {
)
});

let default_ac = self.arena.alloc(hir::AnonConst {
def_id: anon_const_did,
hir_id: const_id,
body: const_body,
span,
});
let default_ct = self.arena.alloc(hir::ConstArg {
hir_id: self.next_id(),
kind: hir::ConstArgKind::Anon(default_ac),
is_desugared_from_effects: false,
});
let param = hir::GenericParam {
def_id,
hir_id,
Expand All @@ -1662,7 +1648,12 @@ impl<'hir> LoweringContext<'_, 'hir> {
)),
)),
// FIXME(effects) we might not need a default.
default: Some(default_ct),
default: Some(self.arena.alloc(hir::AnonConst {
def_id: anon_const,
hir_id: const_id,
body: const_body,
span,
})),
is_host_effect: true,
synthetic: true,
},
Expand Down
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