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Merge pull request rust-lang#4038 from rust-lang/rustup-2024-11-18
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Automatic Rustup
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@saethlin
saethlin authored Nov 18, 2024
2 parents 34ad8de + f71a042 commit 00286e6
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Showing 183 changed files with 2,435 additions and 1,092 deletions.
1 change: 1 addition & 0 deletions Cargo.lock
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Original file line number Diff line number Diff line change
Expand Up @@ -3270,6 +3270,7 @@ name = "rustc_ast_lowering"
version = "0.0.0"
dependencies = [
"rustc_ast",
"rustc_ast_pretty",
"rustc_data_structures",
"rustc_errors",
"rustc_fluent_macro",
Expand Down
114 changes: 92 additions & 22 deletions compiler/rustc_ast/src/mut_visit.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -23,7 +23,7 @@ use crate::ast::*;
use crate::ptr::P;
use crate::token::{self, Token};
use crate::tokenstream::*;
use crate::visit::{AssocCtxt, BoundKind};
use crate::visit::{AssocCtxt, BoundKind, FnCtxt};

pub trait ExpectOne<A: Array> {
fn expect_one(self, err: &'static str) -> A::Item;
Expand All @@ -37,7 +37,16 @@ impl<A: Array> ExpectOne<A> for SmallVec<A> {
}

pub trait WalkItemKind {
fn walk(&mut self, span: Span, id: NodeId, visitor: &mut impl MutVisitor);
type Ctxt;
fn walk(
&mut self,
span: Span,
id: NodeId,
ident: &mut Ident,
visibility: &mut Visibility,
ctxt: Self::Ctxt,
visitor: &mut impl MutVisitor,
);
}

pub trait MutVisitor: Sized {
Expand Down Expand Up @@ -114,9 +123,9 @@ pub trait MutVisitor: Sized {
fn flat_map_assoc_item(
&mut self,
i: P<AssocItem>,
_ctxt: AssocCtxt,
ctxt: AssocCtxt,
) -> SmallVec<[P<AssocItem>; 1]> {
walk_flat_map_item(self, i)
walk_flat_map_assoc_item(self, i, ctxt)
}

fn visit_fn_decl(&mut self, d: &mut P<FnDecl>) {
Expand Down Expand Up @@ -880,7 +889,7 @@ fn walk_coroutine_kind<T: MutVisitor>(vis: &mut T, coroutine_kind: &mut Coroutin

fn walk_fn<T: MutVisitor>(vis: &mut T, kind: FnKind<'_>) {
match kind {
FnKind::Fn(FnSig { header, decl, span }, generics, body) => {
FnKind::Fn(_ctxt, _ident, FnSig { header, decl, span }, _visibility, generics, body) => {
// Identifier and visibility are visited as a part of the item.
vis.visit_fn_header(header);
vis.visit_generics(generics);
Expand All @@ -890,8 +899,9 @@ fn walk_fn<T: MutVisitor>(vis: &mut T, kind: FnKind<'_>) {
}
vis.visit_span(span);
}
FnKind::Closure(binder, decl, body) => {
FnKind::Closure(binder, coroutine_kind, decl, body) => {
vis.visit_closure_binder(binder);
coroutine_kind.as_mut().map(|coroutine_kind| vis.visit_coroutine_kind(coroutine_kind));
vis.visit_fn_decl(decl);
vis.visit_expr(body);
}
Expand Down Expand Up @@ -1079,17 +1089,29 @@ pub fn walk_block<T: MutVisitor>(vis: &mut T, block: &mut P<Block>) {
vis.visit_span(span);
}

pub fn walk_item_kind(
kind: &mut impl WalkItemKind,
pub fn walk_item_kind<K: WalkItemKind>(
kind: &mut K,
span: Span,
id: NodeId,
ident: &mut Ident,
visibility: &mut Visibility,
ctxt: K::Ctxt,
vis: &mut impl MutVisitor,
) {
kind.walk(span, id, vis)
kind.walk(span, id, ident, visibility, ctxt, vis)
}

impl WalkItemKind for ItemKind {
fn walk(&mut self, span: Span, id: NodeId, vis: &mut impl MutVisitor) {
type Ctxt = ();
fn walk(
&mut self,
span: Span,
id: NodeId,
ident: &mut Ident,
visibility: &mut Visibility,
_ctxt: Self::Ctxt,
vis: &mut impl MutVisitor,
) {
match self {
ItemKind::ExternCrate(_orig_name) => {}
ItemKind::Use(use_tree) => vis.visit_use_tree(use_tree),
Expand All @@ -1102,7 +1124,11 @@ impl WalkItemKind for ItemKind {
}
ItemKind::Fn(box Fn { defaultness, generics, sig, body }) => {
visit_defaultness(vis, defaultness);
vis.visit_fn(FnKind::Fn(sig, generics, body), span, id);
vis.visit_fn(
FnKind::Fn(FnCtxt::Free, ident, sig, visibility, generics, body),
span,
id,
);
}
ItemKind::Mod(safety, mod_kind) => {
visit_safety(vis, safety);
Expand Down Expand Up @@ -1201,14 +1227,27 @@ impl WalkItemKind for ItemKind {
}

impl WalkItemKind for AssocItemKind {
fn walk(&mut self, span: Span, id: NodeId, visitor: &mut impl MutVisitor) {
type Ctxt = AssocCtxt;
fn walk(
&mut self,
span: Span,
id: NodeId,
ident: &mut Ident,
visibility: &mut Visibility,
ctxt: Self::Ctxt,
visitor: &mut impl MutVisitor,
) {
match self {
AssocItemKind::Const(item) => {
visit_const_item(item, visitor);
}
AssocItemKind::Fn(box Fn { defaultness, generics, sig, body }) => {
visit_defaultness(visitor, defaultness);
visitor.visit_fn(FnKind::Fn(sig, generics, body), span, id);
visitor.visit_fn(
FnKind::Fn(FnCtxt::Assoc(ctxt), ident, sig, visibility, generics, body),
span,
id,
);
}
AssocItemKind::Type(box TyAlias {
defaultness,
Expand Down Expand Up @@ -1288,32 +1327,52 @@ pub fn walk_crate<T: MutVisitor>(vis: &mut T, krate: &mut Crate) {
vis.visit_span(inject_use_span);
}

/// Mutates one item, returning the item again.
pub fn walk_flat_map_item<K: WalkItemKind>(
pub fn walk_flat_map_item<K: WalkItemKind<Ctxt = ()>>(
visitor: &mut impl MutVisitor,
item: P<Item<K>>,
) -> SmallVec<[P<Item<K>>; 1]> {
walk_flat_map_assoc_item(visitor, item, ())
}

pub fn walk_flat_map_assoc_item<K: WalkItemKind>(
visitor: &mut impl MutVisitor,
mut item: P<Item<K>>,
ctxt: K::Ctxt,
) -> SmallVec<[P<Item<K>>; 1]> {
let Item { ident, attrs, id, kind, vis, span, tokens } = item.deref_mut();
visitor.visit_id(id);
visit_attrs(visitor, attrs);
visitor.visit_vis(vis);
visitor.visit_ident(ident);
kind.walk(*span, *id, visitor);
kind.walk(*span, *id, ident, vis, ctxt, visitor);
visit_lazy_tts(visitor, tokens);
visitor.visit_span(span);
smallvec![item]
}

impl WalkItemKind for ForeignItemKind {
fn walk(&mut self, span: Span, id: NodeId, visitor: &mut impl MutVisitor) {
type Ctxt = ();
fn walk(
&mut self,
span: Span,
id: NodeId,
ident: &mut Ident,
visibility: &mut Visibility,
_ctxt: Self::Ctxt,
visitor: &mut impl MutVisitor,
) {
match self {
ForeignItemKind::Static(box StaticItem { ty, mutability: _, expr, safety: _ }) => {
visitor.visit_ty(ty);
visit_opt(expr, |expr| visitor.visit_expr(expr));
}
ForeignItemKind::Fn(box Fn { defaultness, generics, sig, body }) => {
visit_defaultness(visitor, defaultness);
visitor.visit_fn(FnKind::Fn(sig, generics, body), span, id);
visitor.visit_fn(
FnKind::Fn(FnCtxt::Foreign, ident, sig, visibility, generics, body),
span,
id,
);
}
ForeignItemKind::TyAlias(box TyAlias {
defaultness,
Expand Down Expand Up @@ -1522,9 +1581,8 @@ pub fn walk_expr<T: MutVisitor>(vis: &mut T, Expr { kind, id, span, attrs, token
fn_arg_span,
}) => {
visit_constness(vis, constness);
coroutine_kind.as_mut().map(|coroutine_kind| vis.visit_coroutine_kind(coroutine_kind));
vis.visit_capture_by(capture_clause);
vis.visit_fn(FnKind::Closure(binder, fn_decl, body), *span, *id);
vis.visit_fn(FnKind::Closure(binder, coroutine_kind, fn_decl, body), *span, *id);
vis.visit_span(fn_decl_span);
vis.visit_span(fn_arg_span);
}
Expand Down Expand Up @@ -1785,8 +1843,20 @@ impl<N: DummyAstNode, T: DummyAstNode> DummyAstNode for crate::ast_traits::AstNo
#[derive(Debug)]
pub enum FnKind<'a> {
/// E.g., `fn foo()`, `fn foo(&self)`, or `extern "Abi" fn foo()`.
Fn(&'a mut FnSig, &'a mut Generics, &'a mut Option<P<Block>>),
Fn(
FnCtxt,
&'a mut Ident,
&'a mut FnSig,
&'a mut Visibility,
&'a mut Generics,
&'a mut Option<P<Block>>,
),

/// E.g., `|x, y| body`.
Closure(&'a mut ClosureBinder, &'a mut P<FnDecl>, &'a mut P<Expr>),
Closure(
&'a mut ClosureBinder,
&'a mut Option<CoroutineKind>,
&'a mut P<FnDecl>,
&'a mut P<Expr>,
),
}
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