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Auto merge of #114481 - matthiaskrgr:rollup-58pczpl, r=matthiaskrgr

Browse source 
Rollup of 9 pull requests

Successful merges:

 - #113945 (Fix wrong span for trait selection failure error reporting)
 - #114351 ([rustc_span][perf] Remove unnecessary string joins and allocs.)
 - #114418 (bump parking_lot to 0.12)
 - #114434 (Improve spans for indexing expressions)
 - #114450 (Fix ICE failed to get layout for ReferencesError)
 - #114461 (Fix unwrap on None)
 - #114462 (interpret: add mplace_to_ref helper method)
 - #114472 (Reword `confusable_idents` lint)
 - #114477 (Account for `Rc` and `Arc` when suggesting to clone)

r? `@ghost`
`@rustbot` modify labels: rollup
This commit is contained in:
bors 2023-08-04 20:31:40 +00:00
commit ec1d61e064
33 changed files with 42 additions and 42 deletions
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2
clippy_lints/src/dereference.rs
View file

@ -800,7 +800,7 @@ fn in_postfix_position<'tcx>(cx: &LateContext<'tcx>, e: &'tcx Expr<'tcx>) -> boo
&& parent.span.ctxt() == e.span.ctxt()
{
match parent.kind {
ExprKind::Call(child, _) | ExprKind::MethodCall(_, child, _, _) | ExprKind::Index(child, _)
ExprKind::Call(child, _) | ExprKind::MethodCall(_, child, _, _) | ExprKind::Index(child, _, _)
if child.hir_id == e.hir_id => true,
ExprKind::Field(_, _) | ExprKind::Match(_, _, MatchSource::TryDesugar | MatchSource::AwaitDesugar) => true,
_ => false,

2
clippy_lints/src/functions/must_use.rs
View file

@ -221,7 +221,7 @@ fn is_mutated_static(e: &hir::Expr<'_>) -> bool {
match e.kind {
Path(QPath::Resolved(_, path)) => !matches!(path.res, Res::Local(_)),
Path(_) => true,
Field(inner, _) | Index(inner, _) => is_mutated_static(inner),
Field(inner, _) | Index(inner, _, _) => is_mutated_static(inner),
_ => false,
}
}

2
clippy_lints/src/index_refutable_slice.rs
View file

@ -254,7 +254,7 @@ impl<'a, 'tcx> Visitor<'tcx> for SliceIndexLintingVisitor<'a, 'tcx> {
// Checking for slice indexing
let parent_id = map.parent_id(expr.hir_id);
if let Some(hir::Node::Expr(parent_expr)) = map.find(parent_id);
if let hir::ExprKind::Index(_, index_expr) = parent_expr.kind;
if let hir::ExprKind::Index(_, index_expr, _) = parent_expr.kind;
if let Some(Constant::Int(index_value)) = constant(cx, cx.typeck_results(), index_expr);
if let Ok(index_value) = index_value.try_into();
if index_value < max_suggested_slice;

2
clippy_lints/src/indexing_slicing.rs
View file

@ -103,7 +103,7 @@ impl<'tcx> LateLintPass<'tcx> for IndexingSlicing {
return;
}
if let ExprKind::Index(array, index) = &expr.kind {
if let ExprKind::Index(array, index, _) = &expr.kind {
let note = "the suggestion might not be applicable in constant blocks";
let ty = cx.typeck_results().expr_ty(array).peel_refs();
if let Some(range) = higher::Range::hir(index) {

4
clippy_lints/src/loops/manual_memcpy.rs
View file

@ -60,8 +60,8 @@ pub(super) fn check<'tcx>(
o.and_then(|(lhs, rhs)| {
let rhs = fetch_cloned_expr(rhs);
if_chain! {
if let ExprKind::Index(base_left, idx_left) = lhs.kind;
if let ExprKind::Index(base_right, idx_right) = rhs.kind;
if let ExprKind::Index(base_left, idx_left, _) = lhs.kind;
if let ExprKind::Index(base_right, idx_right, _) = rhs.kind;
if let Some(ty) = get_slice_like_element_ty(cx, cx.typeck_results().expr_ty(base_left));
if get_slice_like_element_ty(cx, cx.typeck_results().expr_ty(base_right)).is_some();
if let Some((start_left, offset_left)) = get_details_from_idx(cx, idx_left, &starts);

2
clippy_lints/src/loops/needless_range_loop.rs
View file

@ -319,7 +319,7 @@ impl<'a, 'tcx> Visitor<'tcx> for VarVisitor<'a, 'tcx> {
if_chain! {
// an index op
if let ExprKind::Index(seqexpr, idx) = expr.kind;
if let ExprKind::Index(seqexpr, idx, _) = expr.kind;
if !self.check(idx, seqexpr, expr);
then {
return;

2
clippy_lints/src/loops/never_loop.rs
View file

@ -162,7 +162,7 @@ fn never_loop_expr<'tcx>(
ExprKind::Binary(_, e1, e2)
| ExprKind::Assign(e1, e2, _)
| ExprKind::AssignOp(_, e1, e2)
| ExprKind::Index(e1, e2) => never_loop_expr_all(cx, &mut [e1, e2].iter().copied(), ignore_ids, main_loop_id),
| ExprKind::Index(e1, e2, _) => never_loop_expr_all(cx, &mut [e1, e2].iter().copied(), ignore_ids, main_loop_id),
ExprKind::Loop(b, _, _, _) => {
// Break can come from the inner loop so remove them.
absorb_break(never_loop_block(cx, b, ignore_ids, main_loop_id))

2
clippy_lints/src/loops/while_let_on_iterator.rs
View file

@ -113,7 +113,7 @@ fn try_parse_iter_expr(cx: &LateContext<'_>, mut e: &Expr<'_>) -> Option<IterExp
// Shouldn't have side effects, but there's no way to trace which field is used. So forget which fields have
// already been seen.
ExprKind::Index(base, idx) if !idx.can_have_side_effects() => {
ExprKind::Index(base, idx, _) if !idx.can_have_side_effects() => {
can_move = false;
fields.clear();
e = base;

2
clippy_lints/src/manual_strip.rs
View file

@ -204,7 +204,7 @@ fn find_stripping<'tcx>(
if_chain! {
if is_ref_str(self.cx, ex);
let unref = peel_ref(ex);
if let ExprKind::Index(indexed, index) = &unref.kind;
if let ExprKind::Index(indexed, index, _) = &unref.kind;
if let Some(higher::Range { start, end, .. }) = higher::Range::hir(index);
if let ExprKind::Path(path) = &indexed.kind;
if self.cx.qpath_res(path, ex.hir_id) == self.target;

4
clippy_lints/src/matches/match_on_vec_items.rs
View file

@ -12,7 +12,7 @@ use super::MATCH_ON_VEC_ITEMS;
pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, scrutinee: &'tcx Expr<'_>) {
if_chain! {
if let Some(idx_expr) = is_vec_indexing(cx, scrutinee);
if let ExprKind::Index(vec, idx) = idx_expr.kind;
if let ExprKind::Index(vec, idx, _) = idx_expr.kind;
then {
// FIXME: could be improved to suggest surrounding every pattern with Some(_),
@ -36,7 +36,7 @@ pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, scrutinee: &'tcx Expr<'_>) {
fn is_vec_indexing<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>) -> Option<&'tcx Expr<'tcx>> {
if_chain! {
if let ExprKind::Index(array, index) = expr.kind;
if let ExprKind::Index(array, index, _) = expr.kind;
if is_vector(cx, array);
if !is_full_range(cx, index);

2
clippy_lints/src/methods/filter_next.rs
View file

@ -12,7 +12,7 @@ use super::FILTER_NEXT;
fn path_to_local(expr: &hir::Expr<'_>) -> Option<hir::HirId> {
match expr.kind {
hir::ExprKind::Field(f, _) => path_to_local(f),
hir::ExprKind::Index(recv, _) => path_to_local(recv),
hir::ExprKind::Index(recv, _, _) => path_to_local(recv),
hir::ExprKind::Path(hir::QPath::Resolved(
_,
hir::Path {

2
clippy_lints/src/methods/iter_next_slice.rs
View file

@ -27,7 +27,7 @@ pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx hir::Expr<'_>, cal
if derefs_to_slice(cx, caller_expr, cx.typeck_results().expr_ty(caller_expr)).is_some() {
// caller is a Slice
if_chain! {
if let hir::ExprKind::Index(caller_var, index_expr) = &caller_expr.kind;
if let hir::ExprKind::Index(caller_var, index_expr, _) = &caller_expr.kind;
if let Some(higher::Range { start: Some(start_expr), end: None, limits: ast::RangeLimits::HalfOpen })
= higher::Range::hir(index_expr);
if let hir::ExprKind::Lit(start_lit) = &start_expr.kind;

2
clippy_lints/src/mixed_read_write_in_expression.rs
View file

@ -239,7 +239,7 @@ fn check_expr<'tcx>(vis: &mut ReadVisitor<'_, 'tcx>, expr: &'tcx Expr<'_>) -> St
| ExprKind::MethodCall(..)
| ExprKind::Call(_, _)
| ExprKind::Assign(..)
| ExprKind::Index(_, _)
| ExprKind::Index(..)
| ExprKind::Repeat(_, _)
| ExprKind::Struct(_, _, _) => {
walk_expr(vis, expr);

2
clippy_lints/src/needless_bool.rs
View file

@ -119,7 +119,7 @@ fn condition_needs_parentheses(e: &Expr<'_>) -> bool {
| ExprKind::Call(i, _)
| ExprKind::Cast(i, _)
| ExprKind::Type(i, _)
| ExprKind::Index(i, _) = inner.kind
| ExprKind::Index(i, _, _) = inner.kind
{
if matches!(
i.kind,

4
clippy_lints/src/no_effect.rs
View file

@ -160,7 +160,7 @@ fn has_no_effect(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool {
match peel_blocks(expr).kind {
ExprKind::Lit(..) | ExprKind::Closure { .. } => true,
ExprKind::Path(..) => !has_drop(cx, cx.typeck_results().expr_ty(expr)),
ExprKind::Index(a, b) | ExprKind::Binary(_, a, b) => has_no_effect(cx, a) && has_no_effect(cx, b),
ExprKind::Index(a, b, _) | ExprKind::Binary(_, a, b) => has_no_effect(cx, a) && has_no_effect(cx, b),
ExprKind::Array(v) | ExprKind::Tup(v) => v.iter().all(|val| has_no_effect(cx, val)),
ExprKind::Repeat(inner, _)
| ExprKind::Cast(inner, _)
@ -263,7 +263,7 @@ fn reduce_expression<'a>(cx: &LateContext<'_>, expr: &'a Expr<'a>) -> Option<Vec
return None;
}
match expr.kind {
ExprKind::Index(a, b) => Some(vec![a, b]),
ExprKind::Index(a, b, _) => Some(vec![a, b]),
ExprKind::Binary(ref binop, a, b) if binop.node != BinOpKind::And && binop.node != BinOpKind::Or => {
Some(vec![a, b])
},

2
clippy_lints/src/non_copy_const.rs
View file

@ -438,7 +438,7 @@ impl<'tcx> LateLintPass<'tcx> for NonCopyConst {
dereferenced_expr = parent_expr;
},
ExprKind::Index(e, _) if ptr::eq(&**e, cur_expr) => {
ExprKind::Index(e, _, _) if ptr::eq(&**e, cur_expr) => {
// `e[i]` => desugared to `*Index::index(&e, i)`,
// meaning `e` must be referenced.
// no need to go further up since a method call is involved now.

2
clippy_lints/src/ptr.rs
View file

@ -695,7 +695,7 @@ fn check_ptr_arg_usage<'tcx>(cx: &LateContext<'tcx>, body: &'tcx Body<'_>, args:
}
},
// Indexing is fine for currently supported types.
ExprKind::Index(e, _) if e.hir_id == child_id => (),
ExprKind::Index(e, _, _) if e.hir_id == child_id => (),
_ => set_skip_flag(),
},
_ => set_skip_flag(),

2
clippy_lints/src/redundant_slicing.rs
View file

@ -81,7 +81,7 @@ impl<'tcx> LateLintPass<'tcx> for RedundantSlicing {
if_chain! {
if let ExprKind::AddrOf(BorrowKind::Ref, mutability, addressee) = expr.kind;
if addressee.span.ctxt() == ctxt;
if let ExprKind::Index(indexed, range) = addressee.kind;
if let ExprKind::Index(indexed, range, _) = addressee.kind;
if is_type_lang_item(cx, cx.typeck_results().expr_ty_adjusted(range), LangItem::RangeFull);
then {
let (expr_ty, expr_ref_count) = peel_mid_ty_refs(cx.typeck_results().expr_ty(expr));

4
clippy_lints/src/strings.rs
View file

@ -190,7 +190,7 @@ impl<'tcx> LateLintPass<'tcx> for StringAdd {
);
}
},
ExprKind::Index(target, _idx) => {
ExprKind::Index(target, _idx, _) => {
let e_ty = cx.typeck_results().expr_ty(target).peel_refs();
if e_ty.is_str() || is_type_lang_item(cx, e_ty, LangItem::String) {
span_lint(
@ -262,7 +262,7 @@ impl<'tcx> LateLintPass<'tcx> for StringLitAsBytes {
// Find string::as_bytes
if let ExprKind::AddrOf(BorrowKind::Ref, _, args) = args[0].kind;
if let ExprKind::Index(left, right) = args.kind;
if let ExprKind::Index(left, right, _) = args.kind;
let (method_names, expressions, _) = method_calls(left, 1);
if method_names.len() == 1;
if expressions.len() == 1;

2
clippy_lints/src/suspicious_operation_groupings.rs
View file

@ -572,7 +572,7 @@ fn ident_difference_expr_with_base_location(
| (AddrOf(_, _, _), AddrOf(_, _, _))
| (Path(_, _), Path(_, _))
| (Range(_, _, _), Range(_, _, _))
| (Index(_, _), Index(_, _))
| (Index(_, _, _), Index(_, _, _))
| (Field(_, _), Field(_, _))
| (AssignOp(_, _, _), AssignOp(_, _, _))
| (Assign(_, _, _), Assign(_, _, _))

4
clippy_lints/src/swap.rs
View file

@ -86,8 +86,8 @@ fn generate_swap_warning(cx: &LateContext<'_>, e1: &Expr<'_>, e2: &Expr<'_>, spa
let mut applicability = Applicability::MachineApplicable;
if !can_mut_borrow_both(cx, e1, e2) {
if let ExprKind::Index(lhs1, idx1) = e1.kind
&& let ExprKind::Index(lhs2, idx2) = e2.kind
if let ExprKind::Index(lhs1, idx1, _) = e1.kind
&& let ExprKind::Index(lhs2, idx2, _) = e2.kind
&& eq_expr_value(cx, lhs1, lhs2)
&& e1.span.ctxt() == ctxt
&& e2.span.ctxt() == ctxt

2
clippy_lints/src/temporary_assignment.rs
View file

@ -33,7 +33,7 @@ impl<'tcx> LateLintPass<'tcx> for TemporaryAssignment {
fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) {
if let ExprKind::Assign(target, ..) = &expr.kind {
let mut base = target;
while let ExprKind::Field(f, _) | ExprKind::Index(f, _) = &base.kind {
while let ExprKind::Field(f, _) | ExprKind::Index(f, _, _) = &base.kind {
base = f;
}
if is_temporary(base) && !is_adjusted(cx, base) {

4
clippy_lints/src/tuple_array_conversions.rs
View file

@ -103,11 +103,11 @@ fn check_tuple<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>, elements: &
// Fix #11100
&& tys.iter().all_equal()
&& let Some(locals) = (match first.kind {
ExprKind::Index(_, _) => elements
ExprKind::Index(..) => elements
.iter()
.enumerate()
.map(|(i, i_expr)| -> Option<&'tcx Expr<'tcx>> {
if let ExprKind::Index(lhs, index) = i_expr.kind
if let ExprKind::Index(lhs, index, _) = i_expr.kind
&& let ExprKind::Lit(lit) = index.kind
&& let LitKind::Int(val, _) = lit.node
{

2
clippy_lints/src/utils/author.rs
View file

@ -526,7 +526,7 @@ impl<'a, 'tcx> PrintVisitor<'a, 'tcx> {
self.ident(field_name);
self.expr(object);
},
ExprKind::Index(object, index) => {
ExprKind::Index(object, index, _) => {
bind!(self, object, index);
kind!("Index({object}, {index})");
self.expr(object);

2
clippy_lints/src/vec_init_then_push.rs
View file

@ -88,7 +88,7 @@ impl VecPushSearcher {
let mut last_place = parent;
while let Some(parent) = get_parent_expr(cx, last_place) {
if matches!(parent.kind, ExprKind::Unary(UnOp::Deref, _) | ExprKind::Field(..))
|| matches!(parent.kind, ExprKind::Index(e, _) if e.hir_id == last_place.hir_id)
|| matches!(parent.kind, ExprKind::Index(e, _, _) if e.hir_id == last_place.hir_id)
{
last_place = parent;
} else {

2
clippy_utils/src/ast_utils.rs
View file

@ -178,7 +178,7 @@ pub fn eq_expr(l: &Expr, r: &Expr) -> bool {
(Yield(l), Yield(r)) | (Ret(l), Ret(r)) => eq_expr_opt(l, r),
(Break(ll, le), Break(rl, re)) => eq_label(ll, rl) && eq_expr_opt(le, re),
(Continue(ll), Continue(rl)) => eq_label(ll, rl),
(Assign(l1, l2, _), Assign(r1, r2, _)) | (Index(l1, l2), Index(r1, r2)) => eq_expr(l1, r1) && eq_expr(l2, r2),
(Assign(l1, l2, _), Assign(r1, r2, _)) | (Index(l1, l2, _), Index(r1, r2, _)) => eq_expr(l1, r1) && eq_expr(l2, r2),
(AssignOp(lo, lp, lv), AssignOp(ro, rp, rv)) => lo.node == ro.node && eq_expr(lp, rp) && eq_expr(lv, rv),
(Field(lp, lf), Field(rp, rf)) => eq_id(*lf, *rf) && eq_expr(lp, rp),
(Match(ls, la), Match(rs, ra)) => eq_expr(ls, rs) && over(la, ra, eq_arm),

2
clippy_utils/src/check_proc_macro.rs
View file

@ -163,7 +163,7 @@ fn expr_search_pat(tcx: TyCtxt<'_>, e: &Expr<'_>) -> (Pat, Pat) {
) => (Pat::Str("unsafe"), Pat::Str("}")),
ExprKind::Block(_, None) => (Pat::Str("{"), Pat::Str("}")),
ExprKind::Field(e, name) => (expr_search_pat(tcx, e).0, Pat::Sym(name.name)),
ExprKind::Index(e, _) => (expr_search_pat(tcx, e).0, Pat::Str("]")),
ExprKind::Index(e, _, _) => (expr_search_pat(tcx, e).0, Pat::Str("]")),
ExprKind::Path(ref path) => qpath_search_pat(path),
ExprKind::AddrOf(_, _, e) => (Pat::Str("&"), expr_search_pat(tcx, e).1),
ExprKind::Break(Destination { label: None, .. }, None) => (Pat::Str("break"), Pat::Str("break")),

2
clippy_utils/src/consts.rs
View file

@ -394,7 +394,7 @@ impl<'a, 'tcx> ConstEvalLateContext<'a, 'tcx> {
}
}
},
ExprKind::Index(arr, index) => self.index(arr, index),
ExprKind::Index(arr, index, _) => self.index(arr, index),
ExprKind::AddrOf(_, _, inner) => self.expr(inner).map(|r| Constant::Ref(Box::new(r))),
ExprKind::Field(local_expr, ref field) => {
let result = self.expr(local_expr);

2
clippy_utils/src/eager_or_lazy.rs
View file

@ -185,7 +185,7 @@ fn expr_eagerness<'tcx>(cx: &LateContext<'tcx>, e: &'tcx Expr<'_>) -> EagernessS
.type_dependent_def_id(e.hir_id)
.map_or(Lazy, |id| fn_eagerness(self.cx, id, name.ident.name, true));
},
ExprKind::Index(_, e) => {
ExprKind::Index(_, e, _) => {
let ty = self.cx.typeck_results().expr_ty_adjusted(e);
if is_copy(self.cx, ty) && !ty.is_ref() {
self.eagerness |= NoChange;

4
clippy_utils/src/hir_utils.rs
View file

@ -299,7 +299,7 @@ impl HirEqInterExpr<'_, '_, '_> {
(&ExprKind::Field(l_f_exp, ref l_f_ident), &ExprKind::Field(r_f_exp, ref r_f_ident)) => {
l_f_ident.name == r_f_ident.name && self.eq_expr(l_f_exp, r_f_exp)
},
(&ExprKind::Index(la, li), &ExprKind::Index(ra, ri)) => self.eq_expr(la, ra) && self.eq_expr(li, ri),
(&ExprKind::Index(la, li, _), &ExprKind::Index(ra, ri, _)) => self.eq_expr(la, ra) && self.eq_expr(li, ri),
(&ExprKind::If(lc, lt, ref le), &ExprKind::If(rc, rt, ref re)) => {
self.eq_expr(lc, rc) && self.eq_expr(lt, rt) && both(le, re, |l, r| self.eq_expr(l, r))
},
@ -730,7 +730,7 @@ impl<'a, 'tcx> SpanlessHash<'a, 'tcx> {
self.hash_expr(e);
self.hash_name(f.name);
},
ExprKind::Index(a, i) => {
ExprKind::Index(a, i, _) => {
self.hash_expr(a);
self.hash_expr(i);
},

4
clippy_utils/src/lib.rs
View file

@ -735,7 +735,7 @@ fn projection_stack<'a, 'hir>(mut e: &'a Expr<'hir>) -> (Vec<&'a Expr<'hir>>, &'
let mut result = vec![];
let root = loop {
match e.kind {
ExprKind::Index(ep, _) | ExprKind::Field(ep, _) => {
ExprKind::Index(ep, _, _) | ExprKind::Field(ep, _) => {
result.push(e);
e = ep;
},
@ -782,7 +782,7 @@ pub fn can_mut_borrow_both(cx: &LateContext<'_>, e1: &Expr<'_>, e2: &Expr<'_>) -
return true;
}
},
(ExprKind::Index(_, i1), ExprKind::Index(_, i2)) => {
(ExprKind::Index(_, i1, _), ExprKind::Index(_, i2, _)) => {
if !eq_expr_value(cx, i1, i2) {
return false;
}

2
clippy_utils/src/ty/type_certainty/mod.rs
View file

@ -31,7 +31,7 @@ fn expr_type_certainty(cx: &LateContext<'_>, expr: &Expr<'_>) -> Certainty {
let certainty = match &expr.kind {
ExprKind::Unary(_, expr)
| ExprKind::Field(expr, _)
| ExprKind::Index(expr, _)
| ExprKind::Index(expr, _, _)
| ExprKind::AddrOf(_, _, expr) => expr_type_certainty(cx, expr),
ExprKind::Array(exprs) => join(exprs.iter().map(|expr| expr_type_certainty(cx, expr))),

4
clippy_utils/src/visitors.rs
View file

@ -329,7 +329,7 @@ pub fn is_const_evaluatable<'tcx>(cx: &LateContext<'tcx>, e: &'tcx Expr<'_>) ->
&& self.cx.typeck_results().expr_ty(rhs).peel_refs().is_primitive_ty() => {},
ExprKind::Unary(UnOp::Deref, e) if self.cx.typeck_results().expr_ty(e).is_ref() => (),
ExprKind::Unary(_, e) if self.cx.typeck_results().expr_ty(e).peel_refs().is_primitive_ty() => (),
ExprKind::Index(base, _)
ExprKind::Index(base, _, _)
if matches!(
self.cx.typeck_results().expr_ty(base).peel_refs().kind(),
ty::Slice(_) | ty::Array(..)
@ -629,7 +629,7 @@ pub fn for_each_unconsumed_temporary<'tcx, B>(
helper(typeck, true, arg, f)?;
}
},
ExprKind::Index(borrowed, consumed)
ExprKind::Index(borrowed, consumed, _)
| ExprKind::Assign(borrowed, consumed, _)
| ExprKind::AssignOp(_, borrowed, consumed) => {
helper(typeck, false, borrowed, f)?;