Auto merge of #9007 - flip1995:rustup, r=flip1995

Rustup

r? `@ghost`

changelog: none
This commit is contained in:
bors 2022-06-16 14:07:23 +00:00
commit d7b5cbf065
66 changed files with 208 additions and 192 deletions

View file

@ -90,7 +90,7 @@ fn check_range(cx: &EarlyContext<'_>, span: Span, start: &Expr, end: &Expr, sugg
diag.span_suggestion(
span,
"use an inclusive range",
sugg.to_owned(),
sugg,
Applicability::MaybeIncorrect,
);
}

View file

@ -63,7 +63,7 @@ impl<'tcx> LateLintPass<'tcx> for AsUnderscore {
diag.span_suggestion(
ty.span,
"consider giving the type explicitly",
format!("{}", ty_resolved),
ty_resolved,
Applicability::MachineApplicable,
);
}

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@ -340,7 +340,7 @@ impl<'tcx> LateLintPass<'tcx> for Attributes {
for lint in lint_list {
match item.kind {
ItemKind::Use(..) => {
if is_word(lint, sym!(unused_imports))
if is_word(lint, sym::unused_imports)
|| is_word(lint, sym::deprecated)
|| is_word(lint, sym!(unreachable_pub))
|| is_word(lint, sym!(unused))
@ -355,7 +355,7 @@ impl<'tcx> LateLintPass<'tcx> for Attributes {
}
},
ItemKind::ExternCrate(..) => {
if is_word(lint, sym!(unused_imports)) && skip_unused_imports {
if is_word(lint, sym::unused_imports) && skip_unused_imports {
return;
}
if is_word(lint, sym!(unused_extern_crates)) {

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@ -51,7 +51,7 @@ struct ExVisitor<'a, 'tcx> {
impl<'a, 'tcx> Visitor<'tcx> for ExVisitor<'a, 'tcx> {
fn visit_expr(&mut self, expr: &'tcx Expr<'tcx>) {
if let ExprKind::Closure(_, _, eid, _, _) = expr.kind {
if let ExprKind::Closure { body, .. } = expr.kind {
// do not lint if the closure is called using an iterator (see #1141)
if_chain! {
if let Some(parent) = get_parent_expr(self.cx, expr);
@ -64,7 +64,7 @@ impl<'a, 'tcx> Visitor<'tcx> for ExVisitor<'a, 'tcx> {
}
}
let body = self.cx.tcx.hir().body(eid);
let body = self.cx.tcx.hir().body(body);
let ex = &body.value;
if let ExprKind::Block(block, _) = ex.kind {
if !body.value.span.from_expansion() && !block.stmts.is_empty() {

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@ -51,8 +51,8 @@ impl<'tcx> LateLintPass<'tcx> for ByteCount {
if count.ident.name == sym::count;
if let ExprKind::MethodCall(filter, [filter_recv, filter_arg], _) = count_recv.kind;
if filter.ident.name == sym!(filter);
if let ExprKind::Closure(_, _, body_id, _, _) = filter_arg.kind;
let body = cx.tcx.hir().body(body_id);
if let ExprKind::Closure { body, .. } = filter_arg.kind;
let body = cx.tcx.hir().body(body);
if let [param] = body.params;
if let PatKind::Binding(_, arg_id, _, _) = strip_pat_refs(param.pat).kind;
if let ExprKind::Binary(ref op, l, r) = body.value.kind;

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@ -514,7 +514,7 @@ fn is_linted_explicit_deref_position(parent: Option<Node<'_>>, child_id: HirId,
| ExprKind::Loop(..)
| ExprKind::Match(..)
| ExprKind::Let(..)
| ExprKind::Closure(..)
| ExprKind::Closure{..}
| ExprKind::Block(..)
| ExprKind::Assign(..)
| ExprKind::AssignOp(..)

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@ -44,7 +44,7 @@ impl EarlyLintPass for EmptyStructsWithBrackets {
diagnostic.span_suggestion_hidden(
span_after_ident,
"remove the brackets",
";".to_string(),
";",
Applicability::MachineApplicable);
},
);

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@ -50,8 +50,8 @@ impl<'tcx> LateLintPass<'tcx> for UnportableVariant {
.tcx
.const_eval_poly(def_id.to_def_id())
.ok()
.map(|val| rustc_middle::ty::Const::from_value(cx.tcx, val, ty));
if let Some(Constant::Int(val)) = constant.and_then(miri_to_const) {
.map(|val| rustc_middle::mir::ConstantKind::from_value(val, ty));
if let Some(Constant::Int(val)) = constant.and_then(|c| miri_to_const(cx.tcx, c)) {
if let ty::Adt(adt, _) = ty.kind() {
if adt.is_enum() {
ty = adt.repr().discr_type().to_ty(cx.tcx);

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@ -78,7 +78,7 @@ impl<'tcx> LateLintPass<'tcx> for EtaReduction {
return;
}
let body = match expr.kind {
ExprKind::Closure(_, _, id, _, _) => cx.tcx.hir().body(id),
ExprKind::Closure { body, .. } => cx.tcx.hir().body(body),
_ => return,
};
if body.value.span.from_expansion() {

View file

@ -159,8 +159,8 @@ fn is_infinite(cx: &LateContext<'_>, expr: &Expr<'_>) -> Finiteness {
}
}
if method.ident.name == sym!(flat_map) && args.len() == 2 {
if let ExprKind::Closure(_, _, body_id, _, _) = args[1].kind {
let body = cx.tcx.hir().body(body_id);
if let ExprKind::Closure { body, .. } = args[1].kind {
let body = cx.tcx.hir().body(body);
return is_infinite(cx, &body.value);
}
}

View file

@ -3,7 +3,6 @@ use if_chain::if_chain;
use rustc_errors::Applicability;
use rustc_hir::{Item, ItemKind};
use rustc_lint::{LateContext, LateLintPass};
use rustc_middle::mir::interpret::ConstValue;
use rustc_middle::ty::layout::LayoutOf;
use rustc_middle::ty::{self, ConstKind};
use rustc_session::{declare_tool_lint, impl_lint_pass};
@ -54,8 +53,8 @@ impl<'tcx> LateLintPass<'tcx> for LargeConstArrays {
if let ItemKind::Const(hir_ty, _) = &item.kind;
let ty = hir_ty_to_ty(cx.tcx, hir_ty);
if let ty::Array(element_type, cst) = ty.kind();
if let ConstKind::Value(ConstValue::Scalar(element_count)) = cst.val();
if let Ok(element_count) = element_count.to_machine_usize(&cx.tcx);
if let ConstKind::Value(ty::ValTree::Leaf(element_count)) = cst.kind();
if let Ok(element_count) = element_count.try_to_machine_usize(cx.tcx);
if let Ok(element_size) = cx.layout_of(*element_type).map(|l| l.size.bytes());
if self.maximum_allowed_size < element_count * element_size;
@ -76,7 +75,7 @@ impl<'tcx> LateLintPass<'tcx> for LargeConstArrays {
diag.span_suggestion(
sugg_span,
"make this a static item",
"static".to_string(),
"static",
Applicability::MachineApplicable,
);
}

View file

@ -3,7 +3,6 @@ use clippy_utils::source::snippet;
use if_chain::if_chain;
use rustc_hir::{Expr, ExprKind};
use rustc_lint::{LateContext, LateLintPass};
use rustc_middle::mir::interpret::ConstValue;
use rustc_middle::ty::layout::LayoutOf;
use rustc_middle::ty::{self, ConstKind};
use rustc_session::{declare_tool_lint, impl_lint_pass};
@ -43,8 +42,8 @@ impl<'tcx> LateLintPass<'tcx> for LargeStackArrays {
if_chain! {
if let ExprKind::Repeat(_, _) = expr.kind;
if let ty::Array(element_type, cst) = cx.typeck_results().expr_ty(expr).kind();
if let ConstKind::Value(ConstValue::Scalar(element_count)) = cst.val();
if let Ok(element_count) = element_count.to_machine_usize(&cx.tcx);
if let ConstKind::Value(ty::ValTree::Leaf(element_count)) = cst.kind();
if let Ok(element_count) = element_count.try_to_machine_usize(cx.tcx);
if let Ok(element_size) = cx.layout_of(*element_type).map(|l| l.size.bytes());
if self.maximum_allowed_size < element_count * element_size;
then {

View file

@ -369,8 +369,8 @@ impl<'a, 'tcx> Visitor<'tcx> for VarVisitor<'a, 'tcx> {
self.visit_expr(expr);
}
},
ExprKind::Closure(_, _, body_id, ..) => {
let body = self.cx.tcx.hir().body(body_id);
ExprKind::Closure { body, .. } => {
let body = self.cx.tcx.hir().body(body);
self.visit_expr(&body.value);
},
_ => walk_expr(self, expr),

View file

@ -188,7 +188,7 @@ fn never_loop_expr(expr: &Expr<'_>, main_loop_id: HirId) -> NeverLoopResult {
})
.fold(NeverLoopResult::Otherwise, combine_both),
ExprKind::Yield(_, _)
| ExprKind::Closure(_, _, _, _, _)
| ExprKind::Closure { .. }
| ExprKind::Path(_)
| ExprKind::ConstBlock(_)
| ExprKind::Lit(_)

View file

@ -220,7 +220,7 @@ fn uses_iter<'tcx>(cx: &LateContext<'tcx>, iter_expr: &IterExpr, container: &'tc
if let Some(e) = e {
self.visit_expr(e);
}
} else if let ExprKind::Closure(_, _, id, _, _) = e.kind {
} else if let ExprKind::Closure { body: id, .. } = e.kind {
if is_res_used(self.cx, self.iter_expr.path, id) {
self.uses_iter = true;
}
@ -260,7 +260,7 @@ fn needs_mutable_borrow(cx: &LateContext<'_>, iter_expr: &IterExpr, loop_expr: &
if let Some(e) = e {
self.visit_expr(e);
}
} else if let ExprKind::Closure(_, _, id, _, _) = e.kind {
} else if let ExprKind::Closure { body: id, .. } = e.kind {
self.used_iter = is_res_used(self.cx, self.iter_expr.path, id);
} else {
walk_expr(self, e);
@ -307,7 +307,7 @@ fn needs_mutable_borrow(cx: &LateContext<'_>, iter_expr: &IterExpr, loop_expr: &
if let Some(e) = e {
self.visit_expr(e);
}
} else if let ExprKind::Closure(_, _, id, _, _) = e.kind {
} else if let ExprKind::Closure { body: id, .. } = e.kind {
self.used_after = is_res_used(self.cx, self.iter_expr.path, id);
} else {
walk_expr(self, e);

View file

@ -86,7 +86,7 @@ impl<'tcx> LateLintPass<'tcx> for ManualAsyncFn {
diag.span_suggestion(
block.span,
"move the body of the async block to the enclosing function",
body_snip.to_string(),
body_snip,
Applicability::MachineApplicable
);
}
@ -177,8 +177,8 @@ fn desugared_async_block<'tcx>(cx: &LateContext<'tcx>, block: &'tcx Block<'tcx>)
if let Some(block_expr) = block.expr;
if let Some(args) = match_function_call(cx, block_expr, &FUTURE_FROM_GENERATOR);
if args.len() == 1;
if let Expr{kind: ExprKind::Closure(_, _, body_id, ..), ..} = args[0];
let closure_body = cx.tcx.hir().body(body_id);
if let Expr{kind: ExprKind::Closure { body, .. }, ..} = args[0];
let closure_body = cx.tcx.hir().body(body);
if closure_body.generator_kind == Some(GeneratorKind::Async(AsyncGeneratorKind::Block));
then {
return Some(closure_body);

View file

@ -88,8 +88,8 @@ fn is_ok_wrapping(cx: &LateContext<'_>, map_expr: &Expr<'_>) -> bool {
}
}
if_chain! {
if let ExprKind::Closure(_, _, body_id, ..) = map_expr.kind;
let body = cx.tcx.hir().body(body_id);
if let ExprKind::Closure { body, .. } = map_expr.kind;
let body = cx.tcx.hir().body(body);
if let PatKind::Binding(_, param_id, ..) = body.params[0].pat.kind;
if let ExprKind::Call(Expr { kind: ExprKind::Path(ok_path), .. }, &[ref ok_arg]) = body.value.kind;
if is_lang_ctor(cx, ok_path, ResultOk);

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@ -67,9 +67,9 @@ impl<'tcx> LateLintPass<'tcx> for MapClone {
if method.ident.name == sym::map;
let ty = cx.typeck_results().expr_ty(&args[0]);
if is_type_diagnostic_item(cx, ty, sym::Option) || is_trait_method(cx, e, sym::Iterator);
if let hir::ExprKind::Closure(_, _, body_id, _, _) = args[1].kind;
if let hir::ExprKind::Closure { body, .. } = args[1].kind;
then {
let closure_body = cx.tcx.hir().body(body_id);
let closure_body = cx.tcx.hir().body(body);
let closure_expr = peel_blocks(&closure_body.value);
match closure_body.params[0].pat.kind {
hir::PatKind::Ref(inner, hir::Mutability::Not) => if let hir::PatKind::Binding(

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@ -117,12 +117,19 @@ impl<'tcx> LateLintPass<'tcx> for MapErrIgnore {
// only work if the method name is `map_err` and there are only 2 arguments (e.g. x.map_err(|_|[1]
// Enum::Variant[2]))
if method.ident.as_str() == "map_err" && args.len() == 2 {
// make sure the first argument is a closure, and grab the CaptureRef, body_id, and body_span fields
if let ExprKind::Closure(capture, _, body_id, body_span, _) = args[1].kind {
// make sure the first argument is a closure, and grab the CaptureRef, BodyId, and fn_decl_span
// fields
if let ExprKind::Closure {
capture_clause,
body,
fn_decl_span,
..
} = args[1].kind
{
// check if this is by Reference (meaning there's no move statement)
if capture == CaptureBy::Ref {
if capture_clause == CaptureBy::Ref {
// Get the closure body to check the parameters and values
let closure_body = cx.tcx.hir().body(body_id);
let closure_body = cx.tcx.hir().body(body);
// make sure there's only one parameter (`|_|`)
if closure_body.params.len() == 1 {
// make sure that parameter is the wild token (`_`)
@ -132,7 +139,7 @@ impl<'tcx> LateLintPass<'tcx> for MapErrIgnore {
span_lint_and_help(
cx,
MAP_ERR_IGNORE,
body_span,
fn_decl_span,
"`map_err(|_|...` wildcard pattern discards the original error",
None,
"consider storing the original error as a source in the new error, or silence this warning using an ignored identifier (`.map_err(|_foo| ...`)",

View file

@ -169,12 +169,12 @@ fn unit_closure<'tcx>(
expr: &hir::Expr<'_>,
) -> Option<(&'tcx hir::Param<'tcx>, &'tcx hir::Expr<'tcx>)> {
if_chain! {
if let hir::ExprKind::Closure(_, decl, inner_expr_id, _, _) = expr.kind;
let body = cx.tcx.hir().body(inner_expr_id);
if let hir::ExprKind::Closure { fn_decl, body, .. } = expr.kind;
let body = cx.tcx.hir().body(body);
let body_expr = &body.value;
if decl.inputs.len() == 1;
if fn_decl.inputs.len() == 1;
if is_unit_expression(cx, body_expr);
if let Some(binding) = iter_input_pats(decl, body).next();
if let Some(binding) = iter_input_pats(fn_decl, body).next();
then {
return Some((binding, body_expr));
}

View file

@ -110,14 +110,9 @@ pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, arms: &'tcx [Arm<'_>]) {
arm1.span,
"this match arm has an identical body to the `_` wildcard arm",
|diag| {
diag.span_suggestion(
arm1.span,
"try removing the arm",
String::new(),
Applicability::MaybeIncorrect,
)
.help("or try changing either arm body")
.span_note(arm2.span, "`_` wildcard arm here");
diag.span_suggestion(arm1.span, "try removing the arm", "", Applicability::MaybeIncorrect)
.help("or try changing either arm body")
.span_note(arm2.span, "`_` wildcard arm here");
},
);
} else {

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@ -177,7 +177,7 @@ fn sugg_with_curlies<'a>(
let (mut cbrace_start, mut cbrace_end) = (String::new(), String::new());
if let Some(parent_expr) = get_parent_expr(cx, match_expr) {
if let ExprKind::Closure(..) = parent_expr.kind {
if let ExprKind::Closure { .. } = parent_expr.kind {
cbrace_end = format!("\n{}}}", indent);
// Fix body indent due to the closure
indent = " ".repeat(indent_of(cx, bind_names).unwrap_or(0));

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@ -3,6 +3,7 @@ use clippy_utils::diagnostics::span_lint_and_note;
use core::cmp::Ordering;
use rustc_hir::{Arm, Expr, PatKind, RangeEnd};
use rustc_lint::LateContext;
use rustc_middle::mir;
use rustc_middle::ty::Ty;
use rustc_span::Span;
@ -34,11 +35,25 @@ fn all_ranges<'tcx>(cx: &LateContext<'tcx>, arms: &'tcx [Arm<'_>], ty: Ty<'tcx>)
if let PatKind::Range(ref lhs, ref rhs, range_end) = pat.kind {
let lhs_const = match lhs {
Some(lhs) => constant(cx, cx.typeck_results(), lhs)?.0,
None => miri_to_const(ty.numeric_min_val(cx.tcx)?)?,
None => {
let min_val_const = ty.numeric_min_val(cx.tcx)?;
let min_constant = mir::ConstantKind::from_value(
cx.tcx.valtree_to_const_val((ty, min_val_const.to_valtree())),
ty,
);
miri_to_const(cx.tcx, min_constant)?
},
};
let rhs_const = match rhs {
Some(rhs) => constant(cx, cx.typeck_results(), rhs)?.0,
None => miri_to_const(ty.numeric_max_val(cx.tcx)?)?,
None => {
let max_val_const = ty.numeric_max_val(cx.tcx)?;
let max_constant = mir::ConstantKind::from_value(
cx.tcx.valtree_to_const_val((ty, max_val_const.to_valtree())),
ty,
);
miri_to_const(cx.tcx, max_constant)?
},
};
let lhs_val = lhs_const.int_value(cx, ty)?;
let rhs_val = rhs_const.int_value(cx, ty)?;

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@ -70,7 +70,7 @@ fn temporaries_need_ordered_drop<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<
}
}
},
// the base type is alway taken by reference.
// the base type is always taken by reference.
// e.g. In `(vec![0])[0]` the vector is a temporary value.
ExprKind::Index(base, index) => {
if !matches!(base.kind, ExprKind::Path(_)) {

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@ -305,7 +305,7 @@ impl<'a, 'tcx> Visitor<'tcx> for SigDropHelper<'a, 'tcx> {
ExprKind::Break(_, _) |
ExprKind::Cast(_, _) |
// Don't want to check the closure itself, only invocation, which is covered by MethodCall
ExprKind::Closure(_, _, _, _, _) |
ExprKind::Closure { .. } |
ExprKind::ConstBlock(_) |
ExprKind::Continue(_) |
ExprKind::DropTemps(_) |

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@ -150,11 +150,11 @@ pub(crate) trait BindInsteadOfMap {
}
match arg.kind {
hir::ExprKind::Closure(_, _, body_id, closure_args_span, _) => {
let closure_body = cx.tcx.hir().body(body_id);
hir::ExprKind::Closure { body, fn_decl_span, .. } => {
let closure_body = cx.tcx.hir().body(body);
let closure_expr = peel_blocks(&closure_body.value);
if Self::lint_closure_autofixable(cx, expr, recv, closure_expr, closure_args_span) {
if Self::lint_closure_autofixable(cx, expr, recv, closure_expr, fn_decl_span) {
true
} else {
Self::lint_closure(cx, expr, closure_expr)

View file

@ -22,8 +22,8 @@ fn is_method<'tcx>(cx: &LateContext<'tcx>, expr: &hir::Expr<'_>, method_name: Sy
hir::ExprKind::Path(QPath::Resolved(_, segments)) => {
segments.segments.last().unwrap().ident.name == method_name
},
hir::ExprKind::Closure(_, _, c, _, _) => {
let body = cx.tcx.hir().body(*c);
hir::ExprKind::Closure { body, .. } => {
let body = cx.tcx.hir().body(*body);
let closure_expr = peel_blocks(&body.value);
let arg_id = body.params[0].pat.hir_id;
match closure_expr.kind {
@ -106,7 +106,7 @@ pub(super) fn check<'tcx>(
if is_trait_method(cx, map_recv, sym::Iterator);
// filter(|x| ...is_some())...
if let ExprKind::Closure(_, _, filter_body_id, ..) = filter_arg.kind;
if let ExprKind::Closure { body: filter_body_id, .. } = filter_arg.kind;
let filter_body = cx.tcx.hir().body(filter_body_id);
if let [filter_param] = filter_body.params;
// optional ref pattern: `filter(|&x| ..)`
@ -129,7 +129,7 @@ pub(super) fn check<'tcx>(
if path.ident.name.as_str() == if is_result { "is_ok" } else { "is_some" };
// ...map(|x| ...unwrap())
if let ExprKind::Closure(_, _, map_body_id, ..) = map_arg.kind;
if let ExprKind::Closure { body: map_body_id, .. } = map_arg.kind;
let map_body = cx.tcx.hir().body(map_body_id);
if let [map_param] = map_body.params;
if let PatKind::Binding(_, map_param_id, map_param_ident, None) = map_param.pat.kind;

View file

@ -51,8 +51,8 @@ pub(super) fn check<'tcx>(
.map_or(false, |fun_def_id| {
deref_aliases.iter().any(|path| match_def_path(cx, fun_def_id, path))
}),
hir::ExprKind::Closure(_, _, body_id, _, _) => {
let closure_body = cx.tcx.hir().body(body_id);
hir::ExprKind::Closure { body, .. } => {
let closure_body = cx.tcx.hir().body(body);
let closure_expr = peel_blocks(&closure_body.value);
match &closure_expr.kind {

View file

@ -71,27 +71,26 @@ pub(super) fn check<'tcx>(
if is_option {
let self_snippet = snippet(cx, recv.span, "..");
if_chain! {
if let hir::ExprKind::Closure(_, _, id, span, _) = map_arg.kind;
let arg_snippet = snippet(cx, span, "..");
let body = cx.tcx.hir().body(id);
if let Some((func, [arg_char])) = reduce_unit_expression(&body.value);
if let Some(id) = path_def_id(cx, func).map(|ctor_id| cx.tcx.parent(ctor_id));
if Some(id) == cx.tcx.lang_items().option_some_variant();
then {
let func_snippet = snippet(cx, arg_char.span, "..");
let msg = "called `map_or(None, ..)` on an `Option` value. This can be done more directly by calling \
`map(..)` instead";
return span_lint_and_sugg(
cx,
OPTION_MAP_OR_NONE,
expr.span,
msg,
"try using `map` instead",
format!("{0}.map({1} {2})", self_snippet, arg_snippet,func_snippet),
Applicability::MachineApplicable,
);
}
if let hir::ExprKind::Closure { body, fn_decl_span, .. } = map_arg.kind;
let arg_snippet = snippet(cx, fn_decl_span, "..");
let body = cx.tcx.hir().body(body);
if let Some((func, [arg_char])) = reduce_unit_expression(&body.value);
if let Some(id) = path_def_id(cx, func).map(|ctor_id| cx.tcx.parent(ctor_id));
if Some(id) == cx.tcx.lang_items().option_some_variant();
then {
let func_snippet = snippet(cx, arg_char.span, "..");
let msg = "called `map_or(None, ..)` on an `Option` value. This can be done more directly by calling \
`map(..)` instead";
return span_lint_and_sugg(
cx,
OPTION_MAP_OR_NONE,
expr.span,
msg,
"try using `map` instead",
format!("{0}.map({1} {2})", self_snippet, arg_snippet,func_snippet),
Applicability::MachineApplicable,
);
}
}
let func_snippet = snippet(cx, map_arg.span, "..");

View file

@ -41,8 +41,8 @@ pub(super) fn check<'tcx>(
let mut applicability = Applicability::MachineApplicable;
let any_search_snippet = if_chain! {
if search_method == "find";
if let hir::ExprKind::Closure(_, _, body_id, ..) = search_arg.kind;
let closure_body = cx.tcx.hir().body(body_id);
if let hir::ExprKind::Closure { body, .. } = search_arg.kind;
let closure_body = cx.tcx.hir().body(body);
if let Some(closure_arg) = closure_body.params.get(0);
then {
if let hir::PatKind::Ref(..) = closure_arg.pat.kind {

View file

@ -176,13 +176,13 @@ fn check_manual_split_once_indirect(
diag.span_suggestion(
first.span,
&remove_msg,
String::new(),
"",
app,
);
diag.span_suggestion(
second.span,
&remove_msg,
String::new(),
"",
app,
);
});

View file

@ -18,8 +18,8 @@ pub(super) fn check(cx: &LateContext<'_>, expr: &hir::Expr<'_>, arg: &hir::Expr<
return;
}
if let hir::ExprKind::Closure(_, _, body_id, ..) = arg.kind {
let body = cx.tcx.hir().body(body_id);
if let hir::ExprKind::Closure { body, .. } = arg.kind {
let body = cx.tcx.hir().body(body);
let arg_id = body.params[0].pat.hir_id;
let mutates_arg =
mutated_variables(&body.value, cx).map_or(true, |used_mutably| used_mutably.contains(&arg_id));

View file

@ -29,8 +29,8 @@ pub(super) fn check(
) {
if_chain! {
// Extract the body of the closure passed to fold
if let hir::ExprKind::Closure(_, _, body_id, _, _) = acc.kind;
let closure_body = cx.tcx.hir().body(body_id);
if let hir::ExprKind::Closure { body, .. } = acc.kind;
let closure_body = cx.tcx.hir().body(body);
let closure_expr = peel_blocks(&closure_body.value);
// Check if the closure body is of the form `acc <op> some_expr(x)`

View file

@ -85,7 +85,7 @@ pub fn check_for_loop_iter(
match addr_of_expr.kind {
ExprKind::AddrOf(_, _, referent) => {
let span = addr_of_expr.span.with_hi(referent.span.lo());
diag.span_suggestion(span, "remove this `&`", String::new(), applicability);
diag.span_suggestion(span, "remove this `&`", "", applicability);
}
_ => unreachable!(),
}

View file

@ -22,8 +22,8 @@ pub(super) fn check<'tcx>(
let is_result = is_type_diagnostic_item(cx, cx.typeck_results().expr_ty(recv), sym::Result);
if is_option || is_result {
if let hir::ExprKind::Closure(_, _, eid, _, _) = arg.kind {
let body = cx.tcx.hir().body(eid);
if let hir::ExprKind::Closure { body, .. } = arg.kind {
let body = cx.tcx.hir().body(body);
let body_expr = &body.value;
if usage::BindingUsageFinder::are_params_used(cx, body) {

View file

@ -114,7 +114,7 @@ struct DivergenceVisitor<'a, 'tcx> {
impl<'a, 'tcx> DivergenceVisitor<'a, 'tcx> {
fn maybe_walk_expr(&mut self, e: &'tcx Expr<'_>) {
match e.kind {
ExprKind::Closure(..) => {},
ExprKind::Closure { .. } => {},
ExprKind::Match(e, arms, _) => {
self.visit_expr(e);
for arm in arms {
@ -245,7 +245,7 @@ fn check_expr<'a, 'tcx>(vis: &mut ReadVisitor<'a, 'tcx>, expr: &'tcx Expr<'_>) -
walk_expr(vis, expr);
}
},
ExprKind::Closure(_, _, _, _, _) => {
ExprKind::Closure { .. } => {
// Either
//
// * `var` is defined in the closure body, in which case we've reached the top of the enclosing
@ -317,7 +317,7 @@ impl<'a, 'tcx> Visitor<'tcx> for ReadVisitor<'a, 'tcx> {
// We're about to descend a closure. Since we don't know when (or
// if) the closure will be evaluated, any reads in it might not
// occur here (or ever). Like above, bail to avoid false positives.
ExprKind::Closure(_, _, _, _, _) |
ExprKind::Closure{..} |
// We want to avoid a false positive when a variable name occurs
// only to have its address taken, so we stop here. Technically,

View file

@ -72,8 +72,8 @@ impl<'tcx> LateLintPass<'tcx> for NeedlessForEach {
if has_iter_method(cx, cx.typeck_results().expr_ty(iter_recv)).is_some();
// Skip the lint if the body is not block because this is simpler than `for` loop.
// e.g. `v.iter().for_each(f)` is simpler and clearer than using `for` loop.
if let ExprKind::Closure(_, _, body_id, ..) = for_each_arg.kind;
let body = cx.tcx.hir().body(body_id);
if let ExprKind::Closure { body, .. } = for_each_arg.kind;
let body = cx.tcx.hir().body(body);
if let ExprKind::Block(..) = body.value.kind;
then {
let mut ret_collector = RetCollector::default();

View file

@ -281,7 +281,7 @@ fn check<'tcx>(
diag.tool_only_span_suggestion(
local_stmt.span,
"remove the local",
String::new(),
"",
Applicability::MachineApplicable,
);
@ -318,7 +318,7 @@ fn check<'tcx>(
diag.span_suggestion(
usage.stmt.span.shrink_to_hi(),
"add a semicolon after the `if` expression",
";".to_string(),
";",
applicability,
);
}
@ -353,7 +353,7 @@ fn check<'tcx>(
diag.span_suggestion(
usage.stmt.span.shrink_to_hi(),
"add a semicolon after the `match` expression",
";".to_string(),
";",
applicability,
);
}

View file

@ -258,7 +258,7 @@ impl<'tcx> LateLintPass<'tcx> for NeedlessPassByValue {
diag.span_suggestion(
input.span,
"consider changing the type to",
"&str".to_string(),
"&str",
Applicability::Unspecified,
);

View file

@ -116,7 +116,7 @@ fn has_no_effect(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool {
return false;
}
match peel_blocks(expr).kind {
ExprKind::Lit(..) | ExprKind::Closure(..) => true,
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::Array(v) | ExprKind::Tup(v) => v.iter().all(|val| has_no_effect(cx, val)),

View file

@ -13,9 +13,10 @@ use rustc_hir::{
BodyId, Expr, ExprKind, HirId, Impl, ImplItem, ImplItemKind, Item, ItemKind, Node, TraitItem, TraitItemKind, UnOp,
};
use rustc_lint::{LateContext, LateLintPass, Lint};
use rustc_middle::mir;
use rustc_middle::mir::interpret::{ConstValue, ErrorHandled};
use rustc_middle::ty::adjustment::Adjust;
use rustc_middle::ty::{self, Const, Ty};
use rustc_middle::ty::{self, Ty};
use rustc_session::{declare_lint_pass, declare_tool_lint};
use rustc_span::{InnerSpan, Span, DUMMY_SP};
use rustc_typeck::hir_ty_to_ty;
@ -142,19 +143,18 @@ fn is_value_unfrozen_raw<'tcx>(
result: Result<ConstValue<'tcx>, ErrorHandled>,
ty: Ty<'tcx>,
) -> bool {
fn inner<'tcx>(cx: &LateContext<'tcx>, val: Const<'tcx>) -> bool {
fn inner<'tcx>(cx: &LateContext<'tcx>, val: mir::ConstantKind<'tcx>) -> bool {
match val.ty().kind() {
// the fact that we have to dig into every structs to search enums
// leads us to the point checking `UnsafeCell` directly is the only option.
ty::Adt(ty_def, ..) if Some(ty_def.did()) == cx.tcx.lang_items().unsafe_cell_type() => true,
ty::Array(..) | ty::Adt(..) | ty::Tuple(..) => {
let val = cx.tcx.destructure_const(cx.param_env.and(val));
let val = cx.tcx.destructure_mir_constant(cx.param_env, val);
val.fields.iter().any(|field| inner(cx, *field))
},
_ => false,
}
}
result.map_or_else(
|err| {
// Consider `TooGeneric` cases as being unfrozen.
@ -180,7 +180,7 @@ fn is_value_unfrozen_raw<'tcx>(
// I chose this way because unfrozen enums as assoc consts are rare (or, hopefully, none).
err == ErrorHandled::TooGeneric
},
|val| inner(cx, Const::from_value(cx.tcx, val, ty)),
|val| inner(cx, mir::ConstantKind::from_value(val, ty)),
)
}

View file

@ -298,8 +298,8 @@ impl<'tcx> Visitor<'tcx> for SideEffectVisit<'tcx> {
},
ExprKind::Match(expr, arms, _) => self.visit_match(expr, arms),
// since analysing the closure is not easy, just set all variables in it to side-effect
ExprKind::Closure(_, _, body_id, _, _) => {
let body = self.tcx.hir().body(body_id);
ExprKind::Closure { body, .. } => {
let body = self.tcx.hir().body(body);
self.visit_body(body);
let vars = std::mem::take(&mut self.ret_vars);
self.add_side_effect(vars);

View file

@ -255,7 +255,7 @@ impl<'tcx> LateLintPass<'tcx> for RedundantClone {
diag.span_suggestion(
sugg_span,
"remove this",
String::new(),
"",
app,
);
if clone_usage.cloned_used {

View file

@ -135,7 +135,7 @@ impl<'tcx> LateLintPass<'tcx> for RedundantClosureCall {
if_chain! {
if let hir::StmtKind::Local(local) = w[0].kind;
if let Option::Some(t) = local.init;
if let hir::ExprKind::Closure(..) = t.kind;
if let hir::ExprKind::Closure { .. } = t.kind;
if let hir::PatKind::Binding(_, _, ident, _) = local.pat.kind;
if let hir::StmtKind::Semi(second) = w[1].kind;
if let hir::ExprKind::Assign(_, call, _) = second.kind;

View file

@ -55,7 +55,7 @@ pub(super) fn check<'tcx>(
sugg
};
diag.span_suggestion(e.span, "consider using", sugg.to_string(), Applicability::Unspecified);
diag.span_suggestion(e.span, "consider using", sugg, Applicability::Unspecified);
},
);
true

View file

@ -25,7 +25,7 @@ pub(super) fn check<'tcx>(
|diag| {
if let Some(arg) = sugg::Sugg::hir_opt(cx, arg) {
let sugg = arg.as_ty(cx.tcx.mk_ptr(*to_ty));
diag.span_suggestion(e.span, "try", sugg.to_string(), Applicability::Unspecified);
diag.span_suggestion(e.span, "try", sugg, Applicability::Unspecified);
}
},
);

View file

@ -73,7 +73,7 @@ pub(super) fn check<'tcx>(
diag.span_suggestion(
e.span,
"try",
sugg.to_string(),
sugg,
Applicability::Unspecified,
);
},

View file

@ -46,7 +46,7 @@ pub(super) fn check<'tcx>(
arg.as_ty(cx.tcx.mk_ptr(rty_and_mut)).as_ty(to_ty)
};
diag.span_suggestion(e.span, "try", sugg.to_string(), Applicability::Unspecified);
diag.span_suggestion(e.span, "try", sugg, Applicability::Unspecified);
}
},
);
@ -61,12 +61,7 @@ pub(super) fn check<'tcx>(
"transmute from an integer to a pointer",
|diag| {
if let Some(arg) = sugg::Sugg::hir_opt(cx, arg) {
diag.span_suggestion(
e.span,
"try",
arg.as_ty(&to_ty.to_string()).to_string(),
Applicability::Unspecified,
);
diag.span_suggestion(e.span, "try", arg.as_ty(&to_ty.to_string()), Applicability::Unspecified);
}
},
);

View file

@ -116,13 +116,13 @@ fn get_args_to_check<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>) -> Ve
fn check_arg<'tcx>(cx: &LateContext<'tcx>, arg: &'tcx Expr<'tcx>) -> Option<(Span, Option<Span>)> {
if_chain! {
if let ExprKind::Closure(_, _fn_decl, body_id, span, _) = arg.kind;
if let ExprKind::Closure { body, fn_decl_span, .. } = arg.kind;
if let ty::Closure(_def_id, substs) = &cx.typeck_results().node_type(arg.hir_id).kind();
let ret_ty = substs.as_closure().sig().output();
let ty = cx.tcx.erase_late_bound_regions(ret_ty);
if ty.is_unit();
then {
let body = cx.tcx.hir().body(body_id);
let body = cx.tcx.hir().body(body);
if_chain! {
if let ExprKind::Block(block, _) = body.value.kind;
if block.expr.is_none();
@ -131,9 +131,9 @@ fn check_arg<'tcx>(cx: &LateContext<'tcx>, arg: &'tcx Expr<'tcx>) -> Option<(Spa
then {
let data = stmt.span.data();
// Make a span out of the semicolon for the help message
Some((span, Some(data.with_lo(data.hi-BytePos(1)))))
Some((fn_decl_span, Some(data.with_lo(data.hi-BytePos(1)))))
} else {
Some((span, None))
Some((fn_decl_span, None))
}
}
} else {

View file

@ -7,7 +7,7 @@ use rustc_hir::def::{DefKind, Res};
use rustc_hir::{Expr, ExprKind, PatKind, Stmt, StmtKind};
use rustc_lint::{LateContext, LintContext};
use rustc_middle::lint::in_external_macro;
use rustc_middle::ty::{self, Ty, TypeFoldable, TypeVisitor};
use rustc_middle::ty::{self, Ty, TypeFoldable, TypeSuperFoldable, TypeVisitor};
use super::LET_UNIT_VALUE;

View file

@ -155,7 +155,7 @@ fn detect_lint(cx: &LateContext<'_>, expr: &Expr<'_>) -> Option<LintTrigger> {
if let ExprKind::MethodCall(name_ident, args, _) = &expr.kind;
if let name = name_ident.ident.name.to_ident_string();
if name == "sort_by" || name == "sort_unstable_by";
if let [vec, Expr { kind: ExprKind::Closure(_, _, closure_body_id, _, _), .. }] = args;
if let [vec, Expr { kind: ExprKind::Closure{ body: closure_body_id, .. }, .. }] = args;
if is_type_diagnostic_item(cx, cx.typeck_results().expr_ty(vec), sym::Vec);
if let closure_body = cx.tcx.hir().body(*closure_body_id);
if let &[

View file

@ -466,7 +466,13 @@ impl<'a, 'tcx> PrintVisitor<'a, 'tcx> {
self.expr(scrutinee);
self.slice(arms, |arm| self.arm(arm));
},
ExprKind::Closure(capture_by, fn_decl, body_id, _, movability) => {
ExprKind::Closure {
capture_clause,
fn_decl,
body: body_id,
movability,
..
} => {
let movability = OptionPat::new(movability.map(|m| format!("Movability::{m:?}")));
let ret_ty = match fn_decl.output {
@ -475,7 +481,7 @@ impl<'a, 'tcx> PrintVisitor<'a, 'tcx> {
};
bind!(self, fn_decl, body_id);
kind!("Closure(CaptureBy::{capture_by:?}, {fn_decl}, {body_id}, _, {movability})");
kind!("Closure(CaptureBy::{capture_clause:?}, {fn_decl}, {body_id}, _, {movability})");
out!("if let {ret_ty} = {fn_decl}.output;");
self.body(body_id);
},

View file

@ -664,8 +664,8 @@ impl<'tcx> LateLintPass<'tcx> for CollapsibleCalls {
if let ExprKind::Call(func, and_then_args) = expr.kind;
if is_expr_path_def_path(cx, func, &["clippy_utils", "diagnostics", "span_lint_and_then"]);
if and_then_args.len() == 5;
if let ExprKind::Closure(_, _, body_id, _, _) = &and_then_args[4].kind;
let body = cx.tcx.hir().body(*body_id);
if let ExprKind::Closure { body, .. } = &and_then_args[4].kind;
let body = cx.tcx.hir().body(*body);
let only_expr = peel_blocks_with_stmt(&body.value);
if let ExprKind::MethodCall(ps, span_call_args, _) = &only_expr.kind;
then {

View file

@ -954,9 +954,9 @@ fn resolve_applicability<'hir>(cx: &LateContext<'hir>, expr: &'hir hir::Expr<'hi
}
fn check_is_multi_part<'hir>(cx: &LateContext<'hir>, closure_expr: &'hir hir::Expr<'hir>) -> bool {
if let ExprKind::Closure(_, _, body_id, _, _) = closure_expr.kind {
if let ExprKind::Closure { body, .. } = closure_expr.kind {
let mut scanner = IsMultiSpanScanner::new(cx);
intravisit::walk_body(&mut scanner, cx.tcx.hir().body(body_id));
intravisit::walk_body(&mut scanner, cx.tcx.hir().body(body));
return scanner.is_multi_part();
} else if let Some(local) = get_parent_local(cx, closure_expr) {
if let Some(local_init) = local.init {

View file

@ -92,7 +92,7 @@ pub fn get_attr<'a>(
diag.span_suggestion(
attr_segments[1].ident.span,
"consider using",
new_name.to_string(),
new_name,
Applicability::MachineApplicable,
);
diag.emit();

View file

@ -7,6 +7,7 @@ use rustc_data_structures::sync::Lrc;
use rustc_hir::def::{DefKind, Res};
use rustc_hir::{BinOp, BinOpKind, Block, Expr, ExprKind, HirId, Item, ItemKind, Node, QPath, UnOp};
use rustc_lint::LateContext;
use rustc_middle::mir;
use rustc_middle::mir::interpret::Scalar;
use rustc_middle::ty::subst::{Subst, SubstsRef};
use rustc_middle::ty::{self, EarlyBinder, FloatTy, ScalarInt, Ty, TyCtxt};
@ -429,8 +430,8 @@ impl<'a, 'tcx> ConstEvalLateContext<'a, 'tcx> {
None,
)
.ok()
.map(|val| rustc_middle::ty::Const::from_value(self.lcx.tcx, val, ty))?;
let result = miri_to_const(result);
.map(|val| rustc_middle::mir::ConstantKind::from_value(val, ty))?;
let result = miri_to_const(self.lcx.tcx, result);
if result.is_some() {
self.needed_resolution = true;
}
@ -580,10 +581,10 @@ impl<'a, 'tcx> ConstEvalLateContext<'a, 'tcx> {
}
}
pub fn miri_to_const(result: ty::Const<'_>) -> Option<Constant> {
pub fn miri_to_const<'tcx>(tcx: TyCtxt<'tcx>, result: mir::ConstantKind<'tcx>) -> Option<Constant> {
use rustc_middle::mir::interpret::ConstValue;
match result.val() {
ty::ConstKind::Value(ConstValue::Scalar(Scalar::Int(int))) => {
match result {
mir::ConstantKind::Val(ConstValue::Scalar(Scalar::Int(int)), _) => {
match result.ty().kind() {
ty::Bool => Some(Constant::Bool(int == ScalarInt::TRUE)),
ty::Uint(_) | ty::Int(_) => Some(Constant::Int(int.assert_bits(int.size()))),
@ -603,7 +604,7 @@ pub fn miri_to_const(result: ty::Const<'_>) -> Option<Constant> {
_ => None,
}
},
ty::ConstKind::Value(ConstValue::Slice { data, start, end }) => match result.ty().kind() {
mir::ConstantKind::Val(ConstValue::Slice { data, start, end }, _) => match result.ty().kind() {
ty::Ref(_, tam, _) => match tam.kind() {
ty::Str => String::from_utf8(
data.inner()
@ -616,12 +617,12 @@ pub fn miri_to_const(result: ty::Const<'_>) -> Option<Constant> {
},
_ => None,
},
ty::ConstKind::Value(ConstValue::ByRef { alloc, offset: _ }) => match result.ty().kind() {
mir::ConstantKind::Val(ConstValue::ByRef { alloc, offset: _ }, _) => match result.ty().kind() {
ty::Array(sub_type, len) => match sub_type.kind() {
ty::Float(FloatTy::F32) => match miri_to_const(*len) {
Some(Constant::Int(len)) => alloc
ty::Float(FloatTy::F32) => match len.to_valtree().try_to_machine_usize(tcx) {
Some(len) => alloc
.inner()
.inspect_with_uninit_and_ptr_outside_interpreter(0..(4 * len as usize))
.inspect_with_uninit_and_ptr_outside_interpreter(0..(4 * usize::try_from(len).unwrap()))
.to_owned()
.chunks(4)
.map(|chunk| {
@ -633,10 +634,10 @@ pub fn miri_to_const(result: ty::Const<'_>) -> Option<Constant> {
.map(Constant::Vec),
_ => None,
},
ty::Float(FloatTy::F64) => match miri_to_const(*len) {
Some(Constant::Int(len)) => alloc
ty::Float(FloatTy::F64) => match len.to_valtree().try_to_machine_usize(tcx) {
Some(len) => alloc
.inner()
.inspect_with_uninit_and_ptr_outside_interpreter(0..(8 * len as usize))
.inspect_with_uninit_and_ptr_outside_interpreter(0..(8 * usize::try_from(len).unwrap()))
.to_owned()
.chunks(8)
.map(|chunk| {

View file

@ -198,7 +198,7 @@ fn expr_eagerness<'tcx>(cx: &LateContext<'tcx>, e: &'tcx Expr<'_>) -> EagernessS
| ExprKind::Let(..)
| ExprKind::If(..)
| ExprKind::Match(..)
| ExprKind::Closure(..)
| ExprKind::Closure { .. }
| ExprKind::Field(..)
| ExprKind::Path(_)
| ExprKind::AddrOf(..)

View file

@ -622,10 +622,12 @@ impl<'a, 'tcx> SpanlessHash<'a, 'tcx> {
self.hash_expr(e);
self.hash_ty(ty);
},
ExprKind::Closure(cap, _, eid, _, _) => {
std::mem::discriminant(&cap).hash(&mut self.s);
ExprKind::Closure {
capture_clause, body, ..
} => {
std::mem::discriminant(&capture_clause).hash(&mut self.s);
// closures inherit TypeckResults
self.hash_expr(&self.cx.tcx.hir().body(eid).value);
self.hash_expr(&self.cx.tcx.hir().body(body).value);
},
ExprKind::Field(e, ref f) => {
self.hash_expr(e);

View file

@ -964,7 +964,7 @@ pub fn can_move_expr_to_closure<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'
self.captures.entry(l).and_modify(|e| *e |= cap).or_insert(cap);
}
},
ExprKind::Closure(..) => {
ExprKind::Closure { .. } => {
let closure_id = self.cx.tcx.hir().local_def_id(e.hir_id).to_def_id();
for capture in self.cx.typeck_results().closure_min_captures_flattened(closure_id) {
let local_id = match capture.place.base {
@ -1202,7 +1202,7 @@ pub fn get_enclosing_loop_or_closure<'tcx>(tcx: TyCtxt<'tcx>, expr: &Expr<'_>) -
match node {
Node::Expr(
e @ Expr {
kind: ExprKind::Loop(..) | ExprKind::Closure(..),
kind: ExprKind::Loop(..) | ExprKind::Closure { .. },
..
},
) => return Some(e),
@ -1695,7 +1695,7 @@ pub fn get_async_fn_body<'tcx>(tcx: TyCtxt<'tcx>, body: &Body<'_>) -> Option<&'t
_,
&[
Expr {
kind: ExprKind::Closure(_, _, body, _, _),
kind: ExprKind::Closure { body, .. },
..
},
],
@ -1782,7 +1782,7 @@ pub fn is_expr_identity_function(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool
}
match expr.kind {
ExprKind::Closure(_, _, body_id, _, _) => is_body_identity_function(cx, cx.tcx.hir().body(body_id)),
ExprKind::Closure { body, .. } => is_body_identity_function(cx, cx.tcx.hir().body(body)),
_ => path_def_id(cx, expr).map_or(false, |id| match_def_path(cx, id, &paths::CONVERT_IDENTITY)),
}
}

View file

@ -134,7 +134,7 @@ impl<'a> Sugg<'a> {
| hir::ExprKind::Box(..)
| hir::ExprKind::If(..)
| hir::ExprKind::Let(..)
| hir::ExprKind::Closure(..)
| hir::ExprKind::Closure { .. }
| hir::ExprKind::Unary(..)
| hir::ExprKind::Match(..) => Sugg::MaybeParen(get_snippet(expr.span)),
hir::ExprKind::Continue(..)
@ -188,7 +188,7 @@ impl<'a> Sugg<'a> {
match expr.kind {
ast::ExprKind::AddrOf(..)
| ast::ExprKind::Box(..)
| ast::ExprKind::Closure(..)
| ast::ExprKind::Closure { .. }
| ast::ExprKind::If(..)
| ast::ExprKind::Let(..)
| ast::ExprKind::Unary(..)
@ -790,8 +790,8 @@ pub struct DerefClosure {
///
/// note: this only works on single line immutable closures with exactly one input parameter.
pub fn deref_closure_args<'tcx>(cx: &LateContext<'_>, closure: &'tcx hir::Expr<'_>) -> Option<DerefClosure> {
if let hir::ExprKind::Closure(_, fn_decl, body_id, ..) = closure.kind {
let closure_body = cx.tcx.hir().body(body_id);
if let hir::ExprKind::Closure { fn_decl, body, .. } = closure.kind {
let closure_body = cx.tcx.hir().body(body);
// is closure arg a type annotated double reference (i.e.: `|x: &&i32| ...`)
// a type annotation is present if param `kind` is different from `TyKind::Infer`
let closure_arg_is_type_annotated_double_ref = if let TyKind::Rptr(_, MutTy { ty, .. }) = fn_decl.inputs[0].kind

View file

@ -185,7 +185,7 @@ pub fn local_used_after_expr(cx: &LateContext<'_>, local_id: HirId, after: &Expr
matches!(
node,
Node::Expr(Expr {
kind: ExprKind::Loop(..) | ExprKind::Closure(..),
kind: ExprKind::Loop(..) | ExprKind::Closure { .. },
..
})
)

View file

@ -1,3 +1,3 @@
[toolchain]
channel = "nightly-2022-06-04"
channel = "nightly-2022-06-16"
components = ["cargo", "llvm-tools-preview", "rust-src", "rust-std", "rustc", "rustc-dev", "rustfmt"]

View file

@ -19,6 +19,11 @@ use syn::{
parse_quote, FnArg, ImplItem, ItemImpl, ItemTrait, Lifetime, Pat, PatIdent, PatType, Signature, TraitItem, Type,
};
#[proc_macro_attribute]
pub fn dummy(_args: TokenStream, input: TokenStream) -> TokenStream {
input
}
#[proc_macro_attribute]
pub fn fake_async_trait(_args: TokenStream, input: TokenStream) -> TokenStream {
let mut item = parse_macro_input!(input as ItemTrait);

View file

@ -1,18 +1,14 @@
error[E0308]: mismatched types
--> $DIR/ice-6256.rs:13:28
error[E0521]: borrowed data escapes outside of closure
--> $DIR/ice-6256.rs:13:26
|
LL | let f = |x: &dyn TT| x.func(); //[default]~ ERROR: mismatched types
| ^^^^ lifetime mismatch
|
= note: expected reference `&(dyn TT + 'static)`
found reference `&dyn TT`
note: the anonymous lifetime #1 defined here...
--> $DIR/ice-6256.rs:13:13
|
LL | let f = |x: &dyn TT| x.func(); //[default]~ ERROR: mismatched types
| ^^^^^^^^^^^^^^^^^^^^^
= note: ...does not necessarily outlive the static lifetime
| - - ^^^^^^^^
| | | |
| | | `x` escapes the closure body here
| | | argument requires that `'1` must outlive `'static`
| | let's call the lifetime of this reference `'1`
| `x` is a reference that is only valid in the closure body
error: aborting due to previous error
For more information about this error, try `rustc --explain E0308`.
For more information about this error, try `rustc --explain E0521`.

View file

@ -4,9 +4,6 @@
#![feature(custom_inner_attributes)]
#![rustfmt::skip]
#[macro_use]
extern crate clap;
#[macro_use]
extern crate proc_macro_attr;
@ -113,10 +110,10 @@ pub trait Bazz {
}
}
#[derive(clap::Parser)]
#[clap(after_help = "This ia a help message.
#[derive(Clone, Copy)]
#[dummy(string = "first line
You're welcome.
second line
")]
pub struct Args;

View file

@ -1,5 +1,5 @@
error: found an empty line after an outer attribute. Perhaps you forgot to add a `!` to make it an inner attribute?
--> $DIR/empty_line_after_outer_attribute.rs:14:1
--> $DIR/empty_line_after_outer_attribute.rs:11:1
|
LL | / #[crate_type = "lib"]
LL | |
@ -10,7 +10,7 @@ LL | | fn with_one_newline_and_comment() { assert!(true) }
= note: `-D clippy::empty-line-after-outer-attr` implied by `-D warnings`
error: found an empty line after an outer attribute. Perhaps you forgot to add a `!` to make it an inner attribute?
--> $DIR/empty_line_after_outer_attribute.rs:26:1
--> $DIR/empty_line_after_outer_attribute.rs:23:1
|
LL | / #[crate_type = "lib"]
LL | |
@ -18,7 +18,7 @@ LL | | fn with_one_newline() { assert!(true) }
| |_
error: found an empty line after an outer attribute. Perhaps you forgot to add a `!` to make it an inner attribute?
--> $DIR/empty_line_after_outer_attribute.rs:31:1
--> $DIR/empty_line_after_outer_attribute.rs:28:1
|
LL | / #[crate_type = "lib"]
LL | |
@ -27,7 +27,7 @@ LL | | fn with_two_newlines() { assert!(true) }
| |_
error: found an empty line after an outer attribute. Perhaps you forgot to add a `!` to make it an inner attribute?
--> $DIR/empty_line_after_outer_attribute.rs:38:1
--> $DIR/empty_line_after_outer_attribute.rs:35:1
|
LL | / #[crate_type = "lib"]
LL | |
@ -35,7 +35,7 @@ LL | | enum Baz {
| |_
error: found an empty line after an outer attribute. Perhaps you forgot to add a `!` to make it an inner attribute?
--> $DIR/empty_line_after_outer_attribute.rs:46:1
--> $DIR/empty_line_after_outer_attribute.rs:43:1
|
LL | / #[crate_type = "lib"]
LL | |
@ -43,7 +43,7 @@ LL | | struct Foo {
| |_
error: found an empty line after an outer attribute. Perhaps you forgot to add a `!` to make it an inner attribute?
--> $DIR/empty_line_after_outer_attribute.rs:54:1
--> $DIR/empty_line_after_outer_attribute.rs:51:1
|
LL | / #[crate_type = "lib"]
LL | |