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Always use ty:: qualifier for TyKind enum variants.

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Because that's the way it should be done.
This commit is contained in:
Nicholas Nethercote 2024-03-06 16:54:36 +11:00
parent b64c5f991c
commit c0bc812227
8 changed files with 20 additions and 19 deletions
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6
clippy_lints/src/derivable_impls.rs
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@ -9,7 +9,7 @@ use rustc_hir::{
};
use rustc_lint::{LateContext, LateLintPass};
use rustc_middle::ty::adjustment::{Adjust, PointerCoercion};
use rustc_middle::ty::{self, Adt, AdtDef, GenericArgsRef, Ty, TypeckResults};
use rustc_middle::ty::{self, AdtDef, GenericArgsRef, Ty, TypeckResults};
use rustc_session::impl_lint_pass;
use rustc_span::sym;
@ -79,7 +79,7 @@ fn is_path_self(e: &Expr<'_>) -> bool {
fn contains_trait_object(ty: Ty<'_>) -> bool {
match ty.kind() {
ty::Ref(_, ty, _) => contains_trait_object(*ty),
Adt(def, args) => def.is_box() && args[0].as_type().map_or(false, contains_trait_object),
ty::Adt(def, args) => def.is_box() && args[0].as_type().map_or(false, contains_trait_object),
ty::Dynamic(..) => true,
_ => false,
}
@ -198,7 +198,7 @@ impl<'tcx> LateLintPass<'tcx> for DerivableImpls {
&& let Node::ImplItem(impl_item) = cx.tcx.hir_node(impl_item_hir)
&& let ImplItemKind::Fn(_, b) = &impl_item.kind
&& let Body { value: func_expr, .. } = cx.tcx.hir().body(*b)
&& let &Adt(adt_def, args) = cx.tcx.type_of(item.owner_id).instantiate_identity().kind()
&& let &ty::Adt(adt_def, args) = cx.tcx.type_of(item.owner_id).instantiate_identity().kind()
&& let attrs = cx.tcx.hir().attrs(item.hir_id())
&& !attrs.iter().any(|attr| attr.doc_str().is_some())
&& cx.tcx.hir().attrs(impl_item_hir).is_empty()

4
clippy_lints/src/from_raw_with_void_ptr.rs
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@ -4,7 +4,7 @@ use clippy_utils::ty::is_c_void;
use rustc_hir::def_id::DefId;
use rustc_hir::{Expr, ExprKind, QPath};
use rustc_lint::{LateContext, LateLintPass};
use rustc_middle::ty::RawPtr;
use rustc_middle::ty;
use rustc_session::declare_lint_pass;
use rustc_span::sym;
@ -44,7 +44,7 @@ impl LateLintPass<'_> for FromRawWithVoidPtr {
&& seg.ident.name == sym!(from_raw)
&& let Some(type_str) = path_def_id(cx, ty).and_then(|id| def_id_matches_type(cx, id))
&& let arg_kind = cx.typeck_results().expr_ty(arg).kind()
&& let RawPtr(ty, _) = arg_kind
&& let ty::RawPtr(ty, _) = arg_kind
&& is_c_void(cx, *ty)
{
let msg = format!("creating a `{type_str}` from a void raw pointer");

6
clippy_lints/src/functions/result.rs
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@ -2,7 +2,7 @@ use rustc_errors::Diag;
use rustc_hir as hir;
use rustc_lint::{LateContext, LintContext};
use rustc_middle::lint::in_external_macro;
use rustc_middle::ty::{Adt, Ty};
use rustc_middle::ty::{self, Ty};
use rustc_span::{sym, Span};
use clippy_utils::diagnostics::{span_lint_and_help, span_lint_and_then};
@ -25,7 +25,7 @@ fn result_err_ty<'tcx>(
.tcx
.instantiate_bound_regions_with_erased(cx.tcx.fn_sig(id).instantiate_identity().output())
&& is_type_diagnostic_item(cx, ty, sym::Result)
&& let Adt(_, args) = ty.kind()
&& let ty::Adt(_, args) = ty.kind()
{
let err_ty = args.type_at(1);
Some((hir_ty, err_ty))
@ -86,7 +86,7 @@ fn check_result_unit_err(cx: &LateContext<'_>, err_ty: Ty<'_>, fn_header_span: S
}
fn check_result_large_err<'tcx>(cx: &LateContext<'tcx>, err_ty: Ty<'tcx>, hir_ty_span: Span, large_err_threshold: u64) {
if let Adt(adt, subst) = err_ty.kind()
if let ty::Adt(adt, subst) = err_ty.kind()
&& let Some(local_def_id) = err_ty
.ty_adt_def()
.expect("already checked this is adt")

3
clippy_lints/src/implicit_saturating_add.rs
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@ -7,7 +7,7 @@ use rustc_data_structures::packed::Pu128;
use rustc_errors::Applicability;
use rustc_hir::{BinOpKind, Block, Expr, ExprKind, Stmt, StmtKind};
use rustc_lint::{LateContext, LateLintPass};
use rustc_middle::ty::{Int, IntTy, Ty, Uint, UintTy};
use rustc_middle::ty::{IntTy, Ty, UintTy};
use rustc_session::declare_lint_pass;
declare_clippy_lint! {
@ -97,6 +97,7 @@ impl<'tcx> LateLintPass<'tcx> for ImplicitSaturatingAdd {
}
fn get_int_max(ty: Ty<'_>) -> Option<u128> {
use rustc_middle::ty::{Int, Uint};
match ty.peel_refs().kind() {
Int(IntTy::I8) => i8::MAX.try_into().ok(),
Int(IntTy::I16) => i16::MAX.try_into().ok(),

6
clippy_lints/src/large_enum_variant.rs
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@ -7,7 +7,7 @@ use rustc_errors::Applicability;
use rustc_hir::{Item, ItemKind};
use rustc_lint::{LateContext, LateLintPass};
use rustc_middle::lint::in_external_macro;
use rustc_middle::ty::{Adt, Ty};
use rustc_middle::ty::{self, Ty};
use rustc_session::impl_lint_pass;
use rustc_span::Span;
@ -82,7 +82,7 @@ impl<'tcx> LateLintPass<'tcx> for LargeEnumVariant {
}
if let ItemKind::Enum(ref def, _) = item.kind {
let ty = cx.tcx.type_of(item.owner_id).instantiate_identity();
let Adt(adt, subst) = ty.kind() else {
let ty::Adt(adt, subst) = ty.kind() else {
panic!("already checked whether this is an enum")
};
if adt.variants().len() <= 1 {
@ -167,7 +167,7 @@ impl<'tcx> LateLintPass<'tcx> for LargeEnumVariant {
}
fn maybe_copy<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>) -> bool {
if let Adt(_def, args) = ty.kind()
if let ty::Adt(_def, args) = ty.kind()
&& args.types().next().is_some()
&& let Some(copy_trait) = cx.tcx.lang_items().copy_trait()
{

6
clippy_lints/src/methods/unnecessary_join.rs
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@ -4,7 +4,7 @@ use rustc_ast::ast::LitKind;
use rustc_errors::Applicability;
use rustc_hir::{Expr, ExprKind, LangItem};
use rustc_lint::LateContext;
use rustc_middle::ty::{Ref, Slice};
use rustc_middle::ty;
use rustc_span::Span;
use super::UNNECESSARY_JOIN;
@ -18,9 +18,9 @@ pub(super) fn check<'tcx>(
) {
let applicability = Applicability::MachineApplicable;
let collect_output_adjusted_type = cx.typeck_results().expr_ty_adjusted(join_self_arg);
if let Ref(_, ref_type, _) = collect_output_adjusted_type.kind()
if let ty::Ref(_, ref_type, _) = collect_output_adjusted_type.kind()
// the turbofish for collect is ::<Vec<String>>
&& let Slice(slice) = ref_type.kind()
&& let ty::Slice(slice) = ref_type.kind()
&& is_type_lang_item(cx, *slice, LangItem::String)
// the argument for join is ""
&& let ExprKind::Lit(spanned) = &join_arg.kind

4
clippy_lints/src/mut_key.rs
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@ -4,7 +4,7 @@ use clippy_utils::{def_path_def_ids, trait_ref_of_method};
use rustc_data_structures::fx::FxHashSet;
use rustc_hir as hir;
use rustc_lint::{LateContext, LateLintPass};
use rustc_middle::ty::{Adt, Ty};
use rustc_middle::ty::{self, Ty};
use rustc_session::impl_lint_pass;
use rustc_span::def_id::LocalDefId;
use rustc_span::symbol::sym;
@ -153,7 +153,7 @@ impl MutableKeyType {
// generics (because the compiler cannot ensure immutability for unknown types).
fn check_ty_<'tcx>(&self, cx: &LateContext<'tcx>, span: Span, ty: Ty<'tcx>) {
let ty = ty.peel_refs();
if let Adt(def, args) = ty.kind() {
if let ty::Adt(def, args) = ty.kind() {
let is_keyed_type = [sym::HashMap, sym::BTreeMap, sym::HashSet, sym::BTreeSet]
.iter()
.any(|diag_item| cx.tcx.is_diagnostic_item(*diag_item, def.did()));

4
clippy_lints/src/zero_sized_map_values.rs
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@ -4,7 +4,7 @@ use rustc_hir::{self as hir, HirId, ItemKind, Node};
use rustc_hir_analysis::lower_ty;
use rustc_lint::{LateContext, LateLintPass};
use rustc_middle::ty::layout::LayoutOf as _;
use rustc_middle::ty::{Adt, Ty, TypeVisitableExt};
use rustc_middle::ty::{self, Ty, TypeVisitableExt};
use rustc_session::declare_lint_pass;
use rustc_span::sym;
@ -49,7 +49,7 @@ impl LateLintPass<'_> for ZeroSizedMapValues {
&& !in_trait_impl(cx, hir_ty.hir_id)
&& let ty = ty_from_hir_ty(cx, hir_ty)
&& (is_type_diagnostic_item(cx, ty, sym::HashMap) || is_type_diagnostic_item(cx, ty, sym::BTreeMap))
&& let Adt(_, args) = ty.kind()
&& let ty::Adt(_, args) = ty.kind()
&& let ty = args.type_at(1)
// Fixes https://github.com/rust-lang/rust-clippy/issues/7447 because of
// https://github.com/rust-lang/rust/blob/master/compiler/rustc_middle/src/ty/sty.rs#L968