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Introduce EarlyBinder

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This commit is contained in:
Jack Huey 2022-05-08 01:17:58 -04:00
parent 670bc53c03
commit cf8ea64d9d
6 changed files with 12 additions and 12 deletions
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4
clippy_lints/src/eta_reduction.rs
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@ -12,7 +12,7 @@ use rustc_lint::{LateContext, LateLintPass};
use rustc_middle::ty::adjustment::{Adjust, Adjustment, AutoBorrow};
use rustc_middle::ty::binding::BindingMode;
use rustc_middle::ty::subst::Subst;
use rustc_middle::ty::{self, ClosureKind, Ty, TypeFoldable};
use rustc_middle::ty::{self, ClosureKind, EarlyBinder, Ty, TypeFoldable};
use rustc_session::{declare_lint_pass, declare_tool_lint};
use rustc_span::symbol::sym;
@ -150,7 +150,7 @@ impl<'tcx> LateLintPass<'tcx> for EtaReduction {
if check_inputs(cx, body.params, args);
let method_def_id = cx.typeck_results().type_dependent_def_id(body.value.hir_id).unwrap();
let substs = cx.typeck_results().node_substs(body.value.hir_id);
let call_ty = cx.tcx.type_of(method_def_id).subst(cx.tcx, substs);
let call_ty = EarlyBinder(cx.tcx.type_of(method_def_id)).subst(cx.tcx, substs);
if check_sig(cx, closure_ty, call_ty);
then {
span_lint_and_then(cx, REDUNDANT_CLOSURE_FOR_METHOD_CALLS, expr.span, "redundant closure", |diag| {

4
clippy_lints/src/future_not_send.rs
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@ -5,7 +5,7 @@ use rustc_hir::{Body, FnDecl, HirId};
use rustc_infer::infer::TyCtxtInferExt;
use rustc_lint::{LateContext, LateLintPass};
use rustc_middle::ty::subst::Subst;
use rustc_middle::ty::{Opaque, PredicateKind::Trait};
use rustc_middle::ty::{EarlyBinder, Opaque, PredicateKind::Trait};
use rustc_session::{declare_lint_pass, declare_tool_lint};
use rustc_span::{sym, Span};
use rustc_trait_selection::traits::error_reporting::suggestions::InferCtxtExt;
@ -67,7 +67,7 @@ impl<'tcx> LateLintPass<'tcx> for FutureNotSend {
let preds = cx.tcx.explicit_item_bounds(id);
let mut is_future = false;
for &(p, _span) in preds {
let p = p.subst(cx.tcx, subst);
let p = EarlyBinder(p).subst(cx.tcx, subst);
if let Some(trait_pred) = p.to_opt_poly_trait_pred() {
if Some(trait_pred.skip_binder().trait_ref.def_id) == cx.tcx.lang_items().future_trait() {
is_future = true;

4
clippy_lints/src/mut_reference.rs
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@ -2,7 +2,7 @@ use clippy_utils::diagnostics::span_lint;
use rustc_hir::{BorrowKind, Expr, ExprKind, Mutability};
use rustc_lint::{LateContext, LateLintPass};
use rustc_middle::ty::subst::Subst;
use rustc_middle::ty::{self, Ty};
use rustc_middle::ty::{self, EarlyBinder, Ty};
use rustc_session::{declare_lint_pass, declare_tool_lint};
use std::iter;
@ -48,7 +48,7 @@ impl<'tcx> LateLintPass<'tcx> for UnnecessaryMutPassed {
ExprKind::MethodCall(path, arguments, _) => {
let def_id = cx.typeck_results().type_dependent_def_id(e.hir_id).unwrap();
let substs = cx.typeck_results().node_substs(e.hir_id);
let method_type = cx.tcx.type_of(def_id).subst(cx.tcx, substs);
let method_type = EarlyBinder(cx.tcx.type_of(def_id)).subst(cx.tcx, substs);
check_arguments(cx, arguments, method_type, path.ident.as_str(), "method");
},
_ => (),

4
clippy_lints/src/transmute/transmute_undefined_repr.rs
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@ -4,7 +4,7 @@ use clippy_utils::ty::is_c_void;
use rustc_hir::Expr;
use rustc_lint::LateContext;
use rustc_middle::ty::subst::{Subst, SubstsRef};
use rustc_middle::ty::{self, IntTy, Ty, TypeAndMut, UintTy};
use rustc_middle::ty::{self, EarlyBinder, IntTy, Ty, TypeAndMut, UintTy};
use rustc_span::Span;
#[allow(clippy::too_many_lines)]
@ -307,7 +307,7 @@ fn reduce_ty<'tcx>(cx: &LateContext<'tcx>, mut ty: Ty<'tcx>) -> ReducedTy<'tcx>
.non_enum_variant()
.fields
.iter()
.map(|f| cx.tcx.type_of(f.did).subst(cx.tcx, substs));
.map(|f| EarlyBinder(cx.tcx.type_of(f.did)).subst(cx.tcx, substs));
let Some(sized_ty) = iter.find(|&ty| !is_zero_sized_ty(cx, ty)) else {
return ReducedTy::TypeErasure;
};

4
clippy_utils/src/consts.rs
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@ -9,7 +9,7 @@ use rustc_hir::{BinOp, BinOpKind, Block, Expr, ExprKind, HirId, Item, ItemKind,
use rustc_lint::LateContext;
use rustc_middle::mir::interpret::Scalar;
use rustc_middle::ty::subst::{Subst, SubstsRef};
use rustc_middle::ty::{self, FloatTy, ScalarInt, Ty, TyCtxt};
use rustc_middle::ty::{self, EarlyBinder, FloatTy, ScalarInt, Ty, TyCtxt};
use rustc_middle::{bug, span_bug};
use rustc_span::symbol::Symbol;
use std::cmp::Ordering::{self, Equal};
@ -420,7 +420,7 @@ impl<'a, 'tcx> ConstEvalLateContext<'a, 'tcx> {
let substs = if self.substs.is_empty() {
substs
} else {
substs.subst(self.lcx.tcx, self.substs)
EarlyBinder(substs).subst(self.lcx.tcx, self.substs)
};
let result = self

4
clippy_utils/src/ty.rs
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@ -13,7 +13,7 @@ use rustc_lint::LateContext;
use rustc_middle::mir::interpret::{ConstValue, Scalar};
use rustc_middle::ty::subst::{GenericArg, GenericArgKind, Subst};
use rustc_middle::ty::{
self, AdtDef, Binder, FnSig, IntTy, Predicate, PredicateKind, Ty, TyCtxt, TypeFoldable, UintTy, VariantDiscr,
self, AdtDef, Binder, EarlyBinder, FnSig, IntTy, Predicate, PredicateKind, Ty, TyCtxt, TypeFoldable, UintTy, VariantDiscr,
};
use rustc_span::symbol::Ident;
use rustc_span::{sym, Span, Symbol, DUMMY_SP};
@ -520,7 +520,7 @@ pub fn expr_sig<'tcx>(cx: &LateContext<'tcx>, expr: &Expr<'_>) -> Option<ExprFnS
let ty = cx.typeck_results().expr_ty_adjusted(expr).peel_refs();
match *ty.kind() {
ty::Closure(_, subs) => Some(ExprFnSig::Closure(subs.as_closure().sig())),
ty::FnDef(id, subs) => Some(ExprFnSig::Sig(cx.tcx.fn_sig(id).subst(cx.tcx, subs))),
ty::FnDef(id, subs) => Some(ExprFnSig::Sig(EarlyBinder(cx.tcx.fn_sig(id)).subst(cx.tcx, subs))),
ty::FnPtr(sig) => Some(ExprFnSig::Sig(sig)),
ty::Dynamic(bounds, _) => {
let lang_items = cx.tcx.lang_items();