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Merge commit '371120bdbf' into clippyup

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This commit is contained in:
Philipp Krones 2023-05-05 17:45:49 +02:00
parent 8518391e72
commit 7e9abb311d
152 changed files with 2226 additions and 440 deletions
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2
clippy_utils/Cargo.toml
View file

@ -1,6 +1,6 @@
[package]
name = "clippy_utils"
version = "0.1.70"
version = "0.1.71"
edition = "2021"
publish = false

2
clippy_utils/src/check_proc_macro.rs
View file

@ -117,7 +117,7 @@ fn expr_search_pat(tcx: TyCtxt<'_>, e: &Expr<'_>) -> (Pat, Pat) {
ExprKind::Unary(UnOp::Deref, e) => (Pat::Str("*"), expr_search_pat(tcx, e).1),
ExprKind::Unary(UnOp::Not, e) => (Pat::Str("!"), expr_search_pat(tcx, e).1),
ExprKind::Unary(UnOp::Neg, e) => (Pat::Str("-"), expr_search_pat(tcx, e).1),
ExprKind::Lit(ref lit) => lit_search_pat(&lit.node),
ExprKind::Lit(lit) => lit_search_pat(&lit.node),
ExprKind::Array(_) | ExprKind::Repeat(..) => (Pat::Str("["), Pat::Str("]")),
ExprKind::Call(e, []) | ExprKind::MethodCall(_, e, [], _) => (expr_search_pat(tcx, e).0, Pat::Str("(")),
ExprKind::Call(first, [.., last])

2
clippy_utils/src/consts.rs
View file

@ -324,7 +324,7 @@ impl<'a, 'tcx> ConstEvalLateContext<'a, 'tcx> {
match e.kind {
ExprKind::Path(ref qpath) => self.fetch_path(qpath, e.hir_id, self.typeck_results.expr_ty(e)),
ExprKind::Block(block, _) => self.block(block),
ExprKind::Lit(ref lit) => {
ExprKind::Lit(lit) => {
if is_direct_expn_of(e.span, "cfg").is_some() {
None
} else {

6
clippy_utils/src/higher.rs
View file

@ -311,6 +311,8 @@ pub struct While<'hir> {
pub condition: &'hir Expr<'hir>,
/// `while` loop body
pub body: &'hir Expr<'hir>,
/// Span of the loop header
pub span: Span,
}
impl<'hir> While<'hir> {
@ -336,10 +338,10 @@ impl<'hir> While<'hir> {
},
_,
LoopSource::While,
_,
span,
) = expr.kind
{
return Some(Self { condition, body });
return Some(Self { condition, body, span });
}
None
}

4
clippy_utils/src/hir_utils.rs
View file

@ -301,7 +301,7 @@ impl HirEqInterExpr<'_, '_, '_> {
(&ExprKind::Unary(l_op, le), &ExprKind::Unary(r_op, re)) => l_op == r_op && self.eq_expr(le, re),
(&ExprKind::Array(l), &ExprKind::Array(r)) => self.eq_exprs(l, r),
(&ExprKind::DropTemps(le), &ExprKind::DropTemps(re)) => self.eq_expr(le, re),
(&ExprKind::OffsetOf(l_container, ref l_fields), &ExprKind::OffsetOf(r_container, ref r_fields)) => {
(&ExprKind::OffsetOf(l_container, l_fields), &ExprKind::OffsetOf(r_container, r_fields)) => {
self.eq_ty(l_container, r_container) && over(l_fields, r_fields, |l, r| l.name == r.name)
},
_ => false,
@ -718,7 +718,7 @@ impl<'a, 'tcx> SpanlessHash<'a, 'tcx> {
self.hash_pat(pat);
},
ExprKind::Err(_) => {},
ExprKind::Lit(ref l) => {
ExprKind::Lit(l) => {
l.node.hash(&mut self.s);
},
ExprKind::Loop(b, ref i, ..) => {

51
clippy_utils/src/lib.rs
View file

@ -86,10 +86,10 @@ use rustc_hir::hir_id::{HirIdMap, HirIdSet};
use rustc_hir::intravisit::{walk_expr, FnKind, Visitor};
use rustc_hir::LangItem::{OptionNone, ResultErr, ResultOk};
use rustc_hir::{
self as hir, def, Arm, ArrayLen, BindingAnnotation, Block, BlockCheckMode, Body, Closure, Constness, Destination,
Expr, ExprKind, FnDecl, HirId, Impl, ImplItem, ImplItemKind, ImplItemRef, IsAsync, Item, ItemKind, LangItem, Local,
self as hir, def, Arm, ArrayLen, BindingAnnotation, Block, BlockCheckMode, Body, Closure, Destination, Expr,
ExprKind, FnDecl, HirId, Impl, ImplItem, ImplItemKind, ImplItemRef, IsAsync, Item, ItemKind, LangItem, Local,
MatchSource, Mutability, Node, OwnerId, Param, Pat, PatKind, Path, PathSegment, PrimTy, QPath, Stmt, StmtKind,
TraitItem, TraitItemKind, TraitItemRef, TraitRef, TyKind, UnOp,
TraitItem, TraitItemRef, TraitRef, TyKind, UnOp,
};
use rustc_lexer::{tokenize, TokenKind};
use rustc_lint::{LateContext, Level, Lint, LintContext};
@ -197,31 +197,7 @@ pub fn find_binding_init<'tcx>(cx: &LateContext<'tcx>, hir_id: HirId) -> Option<
/// }
/// ```
pub fn in_constant(cx: &LateContext<'_>, id: HirId) -> bool {
let parent_id = cx.tcx.hir().get_parent_item(id).def_id;
match cx.tcx.hir().get_by_def_id(parent_id) {
Node::Item(&Item {
kind: ItemKind::Const(..) | ItemKind::Static(..) | ItemKind::Enum(..),
..
})
| Node::TraitItem(&TraitItem {
kind: TraitItemKind::Const(..),
..
})
| Node::ImplItem(&ImplItem {
kind: ImplItemKind::Const(..),
..
})
| Node::AnonConst(_) => true,
Node::Item(&Item {
kind: ItemKind::Fn(ref sig, ..),
..
})
| Node::ImplItem(&ImplItem {
kind: ImplItemKind::Fn(ref sig, _),
..
}) => sig.header.constness == Constness::Const,
_ => false,
}
cx.tcx.hir().is_inside_const_context(id)
}
/// Checks if a `Res` refers to a constructor of a `LangItem`
@ -846,7 +822,7 @@ pub fn is_default_equivalent(cx: &LateContext<'_>, e: &Expr<'_>) -> bool {
},
ExprKind::Tup(items) | ExprKind::Array(items) => items.iter().all(|x| is_default_equivalent(cx, x)),
ExprKind::Repeat(x, ArrayLen::Body(len)) => if_chain! {
if let ExprKind::Lit(ref const_lit) = cx.tcx.hir().body(len.body).value.kind;
if let ExprKind::Lit(const_lit) = cx.tcx.hir().body(len.body).value.kind;
if let LitKind::Int(v, _) = const_lit.node;
if v <= 32 && is_default_equivalent(cx, x);
then {
@ -875,7 +851,7 @@ fn is_default_equivalent_from(cx: &LateContext<'_>, from_func: &Expr<'_>, arg: &
}) => return sym.is_empty() && is_path_lang_item(cx, ty, LangItem::String),
ExprKind::Array([]) => return is_path_diagnostic_item(cx, ty, sym::Vec),
ExprKind::Repeat(_, ArrayLen::Body(len)) => {
if let ExprKind::Lit(ref const_lit) = cx.tcx.hir().body(len.body).value.kind &&
if let ExprKind::Lit(const_lit) = cx.tcx.hir().body(len.body).value.kind &&
let LitKind::Int(v, _) = const_lit.node
{
return v == 0 && is_path_diagnostic_item(cx, ty, sym::Vec);
@ -1569,7 +1545,7 @@ pub fn is_integer_const(cx: &LateContext<'_>, e: &Expr<'_>, value: u128) -> bool
/// Checks whether the given expression is a constant literal of the given value.
pub fn is_integer_literal(expr: &Expr<'_>, value: u128) -> bool {
// FIXME: use constant folding
if let ExprKind::Lit(ref spanned) = expr.kind {
if let ExprKind::Lit(spanned) = expr.kind {
if let LitKind::Int(v, _) = spanned.node {
return v == value;
}
@ -2165,10 +2141,7 @@ pub fn fn_has_unsatisfiable_preds(cx: &LateContext<'_>, did: DefId) -> bool {
.predicates
.iter()
.filter_map(|(p, _)| if p.is_global() { Some(*p) } else { None });
traits::impossible_predicates(
cx.tcx,
traits::elaborate(cx.tcx, predicates).collect::<Vec<_>>(),
)
traits::impossible_predicates(cx.tcx, traits::elaborate(cx.tcx, predicates).collect::<Vec<_>>())
}
/// Returns the `DefId` of the callee if the given expression is a function or method call.
@ -2233,8 +2206,12 @@ pub fn is_slice_of_primitives(cx: &LateContext<'_>, expr: &Expr<'_>) -> Option<S
None
}
/// returns list of all pairs (a, b) from `exprs` such that `eq(a, b)`
/// `hash` must be comformed with `eq`
/// Returns list of all pairs `(a, b)` where `eq(a, b) == true`
/// and `a` is before `b` in `exprs` for all `a` and `b` in
/// `exprs`
///
/// Given functions `eq` and `hash` such that `eq(a, b) == true`
/// implies `hash(a) == hash(b)`
pub fn search_same<T, Hash, Eq>(exprs: &[T], hash: Hash, eq: Eq) -> Vec<(&T, &T)>
where
Hash: Fn(&T) -> u64,

2
clippy_utils/src/macros.rs
View file

@ -362,7 +362,7 @@ thread_local! {
/// able to access the many features of a [`LateContext`].
///
/// A thread local is used because [`FormatArgs`] is `!Send` and `!Sync`, we are making an
/// assumption that the early pass the populates the map and the later late passes will all be
/// assumption that the early pass that populates the map and the later late passes will all be
/// running on the same thread.
static AST_FORMAT_ARGS: RefCell<FxHashMap<Span, FormatArgs>> = {
static CALLED: AtomicBool = AtomicBool::new(false);

4
clippy_utils/src/paths.rs
View file

@ -159,3 +159,7 @@ pub const WEAK_RC: [&str; 3] = ["alloc", "rc", "Weak"];
pub const PTR_NON_NULL: [&str; 4] = ["core", "ptr", "non_null", "NonNull"];
pub const INSTANT_NOW: [&str; 4] = ["std", "time", "Instant", "now"];
pub const INSTANT: [&str; 3] = ["std", "time", "Instant"];
pub const VEC_IS_EMPTY: [&str; 4] = ["alloc", "vec", "Vec", "is_empty"];
pub const VEC_POP: [&str; 4] = ["alloc", "vec", "Vec", "pop"];
pub const OPTION_UNWRAP: [&str; 4] = ["core", "option", "Option", "unwrap"];
pub const OPTION_EXPECT: [&str; 4] = ["core", "option", "Option", "expect"];

4
clippy_utils/src/qualify_min_const_fn.rs
View file

@ -194,7 +194,9 @@ fn check_rvalue<'tcx>(
))
}
},
Rvalue::NullaryOp(NullOp::SizeOf | NullOp::AlignOf | NullOp::OffsetOf(_), _) | Rvalue::ShallowInitBox(_, _) => Ok(()),
Rvalue::NullaryOp(NullOp::SizeOf | NullOp::AlignOf | NullOp::OffsetOf(_), _) | Rvalue::ShallowInitBox(_, _) => {
Ok(())
},
Rvalue::UnaryOp(_, operand) => {
let ty = operand.ty(body, tcx);
if ty.is_integral() || ty.is_bool() {

12
clippy_utils/src/sugg.rs
View file

@ -162,7 +162,7 @@ impl<'a> Sugg<'a> {
get_snippet(lhs.span),
get_snippet(rhs.span),
),
hir::ExprKind::Cast(lhs, ty) => Sugg::BinOp(AssocOp::As, get_snippet(lhs.span), get_snippet(ty.span)),
hir::ExprKind::Cast(lhs, ty) |
//FIXME(chenyukang), remove this after type ascription is removed from AST
hir::ExprKind::Type(lhs, ty) => Sugg::BinOp(AssocOp::As, get_snippet(lhs.span), get_snippet(ty.span)),
}
@ -254,11 +254,7 @@ impl<'a> Sugg<'a> {
snippet_with_context(cx, lhs.span, ctxt, default, app).0,
snippet_with_context(cx, rhs.span, ctxt, default, app).0,
),
ast::ExprKind::Cast(ref lhs, ref ty) => Sugg::BinOp(
AssocOp::As,
snippet_with_context(cx, lhs.span, ctxt, default, app).0,
snippet_with_context(cx, ty.span, ctxt, default, app).0,
),
ast::ExprKind::Cast(ref lhs, ref ty) |
//FIXME(chenyukang), remove this after type ascription is removed from AST
ast::ExprKind::Type(ref lhs, ref ty) => Sugg::BinOp(
AssocOp::As,
@ -603,8 +599,8 @@ enum Associativity {
#[must_use]
fn associativity(op: AssocOp) -> Associativity {
use rustc_ast::util::parser::AssocOp::{
Add, As, Assign, AssignOp, BitAnd, BitOr, BitXor, Divide, DotDot, DotDotEq, Equal, Greater,
GreaterEqual, LAnd, LOr, Less, LessEqual, Modulus, Multiply, NotEqual, ShiftLeft, ShiftRight, Subtract,
Add, As, Assign, AssignOp, BitAnd, BitOr, BitXor, Divide, DotDot, DotDotEq, Equal, Greater, GreaterEqual, LAnd,
LOr, Less, LessEqual, Modulus, Multiply, NotEqual, ShiftLeft, ShiftRight, Subtract,
};
match op {

6
clippy_utils/src/ty.rs
View file

@ -93,7 +93,7 @@ pub fn contains_ty_adt_constructor_opaque<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'
for (predicate, _span) in cx.tcx.explicit_item_bounds(def_id).subst_identity_iter_copied() {
match predicate.kind().skip_binder() {
// For `impl Trait<U>`, it will register a predicate of `T: Trait<U>`, so we go through
// and check substituions to find `U`.
// and check substitutions to find `U`.
ty::PredicateKind::Clause(ty::Clause::Trait(trait_predicate)) => {
if trait_predicate
.trait_ref
@ -837,7 +837,7 @@ pub fn is_c_void(cx: &LateContext<'_>, ty: Ty<'_>) -> bool {
if let ty::Adt(adt, _) = ty.kind()
&& let &[krate, .., name] = &*cx.get_def_path(adt.did())
&& let sym::libc | sym::core | sym::std = krate
&& name.as_str() == "c_void"
&& name == rustc_span::sym::c_void
{
true
} else {
@ -1101,7 +1101,7 @@ pub fn make_projection<'tcx>(
///
/// This function is for associated types which are "known" to be valid with the given
/// substitutions, and as such, will only return `None` when debug assertions are disabled in order
/// to prevent ICE's. With debug assertions enabled this will check that that type normalization
/// to prevent ICE's. With debug assertions enabled this will check that type normalization
/// succeeds as well as everything checked by `make_projection`.
pub fn make_normalized_projection<'tcx>(
tcx: TyCtxt<'tcx>,