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Introduce PredicateKind::Clause

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This commit is contained in:
Santiago Pastorino 2022-11-24 18:14:58 -03:00
parent 53f78ae0f3
commit 3f059a49a4
10 changed files with 33 additions and 33 deletions
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8
clippy_lints/src/dereference.rs
View file

@ -25,7 +25,7 @@ use rustc_lint::{LateContext, LateLintPass};
use rustc_middle::mir::{Rvalue, StatementKind};
use rustc_middle::ty::adjustment::{Adjust, Adjustment, AutoBorrow, AutoBorrowMutability};
use rustc_middle::ty::{
self, Binder, BoundVariableKind, EarlyBinder, FnSig, GenericArgKind, List, ParamTy, PredicateKind,
self, Binder, BoundVariableKind, Clause, EarlyBinder, FnSig, GenericArgKind, List, ParamTy, PredicateKind,
ProjectionPredicate, Ty, TyCtxt, TypeVisitable, TypeckResults,
};
use rustc_semver::RustcVersion;
@ -1097,7 +1097,7 @@ fn needless_borrow_impl_arg_position<'tcx>(
let projection_predicates = predicates
.iter()
.filter_map(|predicate| {
if let PredicateKind::Projection(projection_predicate) = predicate.kind().skip_binder() {
if let PredicateKind::Clause(Clause::Projection(projection_predicate)) = predicate.kind().skip_binder() {
Some(projection_predicate)
} else {
None
@ -1111,7 +1111,7 @@ fn needless_borrow_impl_arg_position<'tcx>(
if predicates
.iter()
.filter_map(|predicate| {
if let PredicateKind::Trait(trait_predicate) = predicate.kind().skip_binder()
if let PredicateKind::Clause(Clause::Trait(trait_predicate)) = predicate.kind().skip_binder()
&& trait_predicate.trait_ref.self_ty() == param_ty.to_ty(cx.tcx)
{
Some(trait_predicate.trait_ref.def_id)
@ -1173,7 +1173,7 @@ fn needless_borrow_impl_arg_position<'tcx>(
}
predicates.iter().all(|predicate| {
if let PredicateKind::Trait(trait_predicate) = predicate.kind().skip_binder()
if let PredicateKind::Clause(Clause::Trait(trait_predicate)) = predicate.kind().skip_binder()
&& cx.tcx.is_diagnostic_item(sym::IntoIterator, trait_predicate.trait_ref.def_id)
&& let ty::Param(param_ty) = trait_predicate.self_ty().kind()
&& let GenericArgKind::Type(ty) = substs_with_referent_ty[param_ty.index as usize].unpack()

8
clippy_lints/src/derive.rs
View file

@ -14,7 +14,7 @@ use rustc_lint::{LateContext, LateLintPass};
use rustc_middle::hir::nested_filter;
use rustc_middle::traits::Reveal;
use rustc_middle::ty::{
self, Binder, BoundConstness, GenericParamDefKind, ImplPolarity, ParamEnv, PredicateKind, TraitPredicate, TraitRef,
self, Binder, BoundConstness, Clause, GenericParamDefKind, ImplPolarity, ParamEnv, PredicateKind, TraitPredicate, TraitRef,
Ty, TyCtxt,
};
use rustc_session::{declare_lint_pass, declare_tool_lint};
@ -499,7 +499,7 @@ fn param_env_for_derived_eq(tcx: TyCtxt<'_>, did: DefId, eq_trait_id: DefId) ->
let ty_predicates = tcx.predicates_of(did).predicates;
for (p, _) in ty_predicates {
if let PredicateKind::Trait(p) = p.kind().skip_binder()
if let PredicateKind::Clause(Clause::Trait(p)) = p.kind().skip_binder()
&& p.trait_ref.def_id == eq_trait_id
&& let ty::Param(self_ty) = p.trait_ref.self_ty().kind()
&& p.constness == BoundConstness::NotConst
@ -512,14 +512,14 @@ fn param_env_for_derived_eq(tcx: TyCtxt<'_>, did: DefId, eq_trait_id: DefId) ->
ParamEnv::new(
tcx.mk_predicates(ty_predicates.iter().map(|&(p, _)| p).chain(
params.iter().filter(|&&(_, needs_eq)| needs_eq).map(|&(param, _)| {
tcx.mk_predicate(Binder::dummy(PredicateKind::Trait(TraitPredicate {
tcx.mk_predicate(Binder::dummy(PredicateKind::Clause(Clause::Trait(TraitPredicate {
trait_ref: TraitRef::new(
eq_trait_id,
tcx.mk_substs(std::iter::once(tcx.mk_param_from_def(param))),
),
constness: BoundConstness::NotConst,
polarity: ImplPolarity::Positive,
})))
}))))
}),
)),
Reveal::UserFacing,

4
clippy_lints/src/future_not_send.rs
View file

@ -4,7 +4,7 @@ use rustc_hir::intravisit::FnKind;
use rustc_hir::{Body, FnDecl, HirId};
use rustc_infer::infer::TyCtxtInferExt;
use rustc_lint::{LateContext, LateLintPass};
use rustc_middle::ty::{EarlyBinder, Opaque, PredicateKind::Trait};
use rustc_middle::ty::{Clause, EarlyBinder, Opaque, PredicateKind};
use rustc_session::{declare_lint_pass, declare_tool_lint};
use rustc_span::{sym, Span};
use rustc_trait_selection::traits::error_reporting::suggestions::TypeErrCtxtExt;
@ -91,7 +91,7 @@ impl<'tcx> LateLintPass<'tcx> for FutureNotSend {
infcx
.err_ctxt()
.maybe_note_obligation_cause_for_async_await(db, &obligation);
if let Trait(trait_pred) = obligation.predicate.kind().skip_binder() {
if let PredicateKind::Clause(Clause::Trait(trait_pred)) = obligation.predicate.kind().skip_binder() {
db.note(&format!(
"`{}` doesn't implement `{}`",
trait_pred.self_ty(),

8
clippy_lints/src/methods/unnecessary_to_owned.rs
View file

@ -17,7 +17,7 @@ use rustc_middle::mir::Mutability;
use rustc_middle::ty::adjustment::{Adjust, Adjustment, OverloadedDeref};
use rustc_middle::ty::subst::{GenericArg, GenericArgKind, SubstsRef};
use rustc_middle::ty::EarlyBinder;
use rustc_middle::ty::{self, ParamTy, PredicateKind, ProjectionPredicate, TraitPredicate, Ty};
use rustc_middle::ty::{self, Clause, ParamTy, PredicateKind, ProjectionPredicate, TraitPredicate, Ty};
use rustc_semver::RustcVersion;
use rustc_span::{sym, Symbol};
use rustc_trait_selection::traits::{
@ -341,12 +341,12 @@ fn get_input_traits_and_projections<'tcx>(
let mut projection_predicates = Vec::new();
for predicate in cx.tcx.param_env(callee_def_id).caller_bounds() {
match predicate.kind().skip_binder() {
PredicateKind::Trait(trait_predicate) => {
PredicateKind::Clause(Clause::Trait(trait_predicate)) => {
if trait_predicate.trait_ref.self_ty() == input {
trait_predicates.push(trait_predicate);
}
}
PredicateKind::Projection(projection_predicate) => {
PredicateKind::Clause(Clause::Projection(projection_predicate)) => {
if projection_predicate.projection_ty.self_ty() == input {
projection_predicates.push(projection_predicate);
}
@ -403,7 +403,7 @@ fn can_change_type<'a>(cx: &LateContext<'a>, mut expr: &'a Expr<'a>, mut ty: Ty<
let mut trait_predicates = cx.tcx.param_env(callee_def_id)
.caller_bounds().iter().filter(|predicate| {
if let PredicateKind::Trait(trait_predicate) = predicate.kind().skip_binder()
if let PredicateKind::Clause(Clause::Trait(trait_predicate)) = predicate.kind().skip_binder()
&& trait_predicate.trait_ref.self_ty() == *param_ty {
true
} else {

2
clippy_lints/src/needless_pass_by_value.rs
View file

@ -124,7 +124,7 @@ impl<'tcx> LateLintPass<'tcx> for NeedlessPassByValue {
.filter_map(|obligation| {
// Note that we do not want to deal with qualified predicates here.
match obligation.predicate.kind().no_bound_vars() {
Some(ty::PredicateKind::Trait(pred)) if pred.def_id() != sized_trait => Some(pred),
Some(ty::PredicateKind::Clause(ty::Clause::Trait(pred))) if pred.def_id() != sized_trait => Some(pred),
_ => None,
}
})

4
clippy_lints/src/ptr.rs
View file

@ -19,7 +19,7 @@ use rustc_infer::infer::TyCtxtInferExt;
use rustc_infer::traits::{Obligation, ObligationCause};
use rustc_lint::{LateContext, LateLintPass};
use rustc_middle::hir::nested_filter;
use rustc_middle::ty::{self, Binder, ExistentialPredicate, List, PredicateKind, Ty};
use rustc_middle::ty::{self, Binder, Clause, ExistentialPredicate, List, PredicateKind, Ty};
use rustc_session::{declare_lint_pass, declare_tool_lint};
use rustc_span::source_map::Span;
use rustc_span::sym;
@ -699,7 +699,7 @@ fn matches_preds<'tcx>(
ObligationCause::dummy(),
cx.param_env,
cx.tcx.mk_predicate(Binder::dummy(
PredicateKind::Projection(p.with_self_ty(cx.tcx, ty)),
PredicateKind::Clause(Clause::Projection(p.with_self_ty(cx.tcx, ty))),
)),
)),
ExistentialPredicate::AutoTrait(p) => infcx

6
clippy_lints/src/unit_return_expecting_ord.rs
View file

@ -4,7 +4,7 @@ use rustc_hir::def_id::DefId;
use rustc_hir::{Closure, Expr, ExprKind, StmtKind};
use rustc_lint::{LateContext, LateLintPass};
use rustc_middle::ty;
use rustc_middle::ty::{GenericPredicates, PredicateKind, ProjectionPredicate, TraitPredicate};
use rustc_middle::ty::{Clause, GenericPredicates, PredicateKind, ProjectionPredicate, TraitPredicate};
use rustc_session::{declare_lint_pass, declare_tool_lint};
use rustc_span::{sym, BytePos, Span};
@ -45,7 +45,7 @@ fn get_trait_predicates_for_trait_id<'tcx>(
let mut preds = Vec::new();
for (pred, _) in generics.predicates {
if_chain! {
if let PredicateKind::Trait(poly_trait_pred) = pred.kind().skip_binder();
if let PredicateKind::Clause(Clause::Trait(poly_trait_pred)) = pred.kind().skip_binder();
let trait_pred = cx.tcx.erase_late_bound_regions(pred.kind().rebind(poly_trait_pred));
if let Some(trait_def_id) = trait_id;
if trait_def_id == trait_pred.trait_ref.def_id;
@ -63,7 +63,7 @@ fn get_projection_pred<'tcx>(
trait_pred: TraitPredicate<'tcx>,
) -> Option<ProjectionPredicate<'tcx>> {
generics.predicates.iter().find_map(|(proj_pred, _)| {
if let ty::PredicateKind::Projection(pred) = proj_pred.kind().skip_binder() {
if let ty::PredicateKind::Clause(Clause::Projection(pred)) = proj_pred.kind().skip_binder() {
let projection_pred = cx.tcx.erase_late_bound_regions(proj_pred.kind().rebind(pred));
if projection_pred.projection_ty.substs == trait_pred.trait_ref.substs {
return Some(projection_pred);

2
clippy_utils/src/eager_or_lazy.rs
View file

@ -73,7 +73,7 @@ fn fn_eagerness(cx: &LateContext<'_>, fn_id: DefId, name: Symbol, have_one_arg:
.flat_map(|v| v.fields.iter())
.any(|x| matches!(cx.tcx.type_of(x.did).peel_refs().kind(), ty::Param(_)))
&& all_predicates_of(cx.tcx, fn_id).all(|(pred, _)| match pred.kind().skip_binder() {
PredicateKind::Trait(pred) => cx.tcx.trait_def(pred.trait_ref.def_id).is_marker,
PredicateKind::Clause(ty::Clause::Trait(pred)) => cx.tcx.trait_def(pred.trait_ref.def_id).is_marker,
_ => true,
})
&& subs.types().all(|x| matches!(x.peel_refs().kind(), ty::Param(_)))

8
clippy_utils/src/qualify_min_const_fn.rs
View file

@ -25,13 +25,13 @@ pub fn is_min_const_fn<'tcx>(tcx: TyCtxt<'tcx>, body: &Body<'tcx>, msrv: Option<
let predicates = tcx.predicates_of(current);
for (predicate, _) in predicates.predicates {
match predicate.kind().skip_binder() {
ty::PredicateKind::RegionOutlives(_)
| ty::PredicateKind::TypeOutlives(_)
ty::PredicateKind::Clause(ty::Clause::RegionOutlives(_))
| ty::PredicateKind::Clause(ty::Clause::TypeOutlives(_))
| ty::PredicateKind::WellFormed(_)
| ty::PredicateKind::Projection(_)
| ty::PredicateKind::Clause(ty::Clause::Projection(_))
| ty::PredicateKind::ConstEvaluatable(..)
| ty::PredicateKind::ConstEquate(..)
| ty::PredicateKind::Trait(..)
| ty::PredicateKind::Clause(ty::Clause::Trait(..))
| ty::PredicateKind::TypeWellFormedFromEnv(..) => continue,
ty::PredicateKind::ObjectSafe(_) => panic!("object safe predicate on function: {predicate:#?}"),
ty::PredicateKind::ClosureKind(..) => panic!("closure kind predicate on function: {predicate:#?}"),

16
clippy_utils/src/ty.rs
View file

@ -81,7 +81,7 @@ pub fn contains_ty_adt_constructor_opaque<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'
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`.
ty::PredicateKind::Trait(trait_predicate) => {
ty::PredicateKind::Clause(ty::Clause::Trait(trait_predicate)) => {
if trait_predicate
.trait_ref
.substs
@ -94,7 +94,7 @@ pub fn contains_ty_adt_constructor_opaque<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'
},
// For `impl Trait<Assoc=U>`, it will register a predicate of `<T as Trait>::Assoc = U`,
// so we check the term for `U`.
ty::PredicateKind::Projection(projection_predicate) => {
ty::PredicateKind::Clause(ty::Clause::Projection(projection_predicate)) => {
if let ty::TermKind::Ty(ty) = projection_predicate.term.unpack() {
if contains_ty_adt_constructor_opaque(cx, ty, needle) {
return true;
@ -239,7 +239,7 @@ pub fn is_must_use_ty<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>) -> bool {
ty::Tuple(substs) => substs.iter().any(|ty| is_must_use_ty(cx, ty)),
ty::Opaque(def_id, _) => {
for (predicate, _) in cx.tcx.explicit_item_bounds(*def_id) {
if let ty::PredicateKind::Trait(trait_predicate) = predicate.kind().skip_binder() {
if let ty::PredicateKind::Clause(ty::Clause::Trait(trait_predicate)) = predicate.kind().skip_binder() {
if cx.tcx.has_attr(trait_predicate.trait_ref.def_id, sym::must_use) {
return true;
}
@ -658,7 +658,7 @@ fn sig_from_bounds<'tcx>(
for pred in predicates {
match pred.kind().skip_binder() {
PredicateKind::Trait(p)
PredicateKind::Clause(ty::Clause::Trait(p))
if (lang_items.fn_trait() == Some(p.def_id())
|| lang_items.fn_mut_trait() == Some(p.def_id())
|| lang_items.fn_once_trait() == Some(p.def_id()))
@ -671,7 +671,7 @@ fn sig_from_bounds<'tcx>(
}
inputs = Some(i);
},
PredicateKind::Projection(p)
PredicateKind::Clause(ty::Clause::Projection(p))
if Some(p.projection_ty.item_def_id) == lang_items.fn_once_output()
&& p.projection_ty.self_ty() == ty =>
{
@ -699,7 +699,7 @@ fn sig_for_projection<'tcx>(cx: &LateContext<'tcx>, ty: ProjectionTy<'tcx>) -> O
.subst_iter_copied(cx.tcx, ty.substs)
{
match pred.kind().skip_binder() {
PredicateKind::Trait(p)
PredicateKind::Clause(ty::Clause::Trait(p))
if (lang_items.fn_trait() == Some(p.def_id())
|| lang_items.fn_mut_trait() == Some(p.def_id())
|| lang_items.fn_once_trait() == Some(p.def_id())) =>
@ -712,7 +712,7 @@ fn sig_for_projection<'tcx>(cx: &LateContext<'tcx>, ty: ProjectionTy<'tcx>) -> O
}
inputs = Some(i);
},
PredicateKind::Projection(p) if Some(p.projection_ty.item_def_id) == lang_items.fn_once_output() => {
PredicateKind::Clause(ty::Clause::Projection(p)) if Some(p.projection_ty.item_def_id) == lang_items.fn_once_output() => {
if output.is_some() {
// Multiple different fn trait impls. Is this even allowed?
return None;
@ -887,7 +887,7 @@ pub fn ty_is_fn_once_param<'tcx>(tcx: TyCtxt<'_>, ty: Ty<'tcx>, predicates: &'tc
predicates
.iter()
.try_fold(false, |found, p| {
if let PredicateKind::Trait(p) = p.kind().skip_binder()
if let PredicateKind::Clause(ty::Clause::Trait(p)) = p.kind().skip_binder()
&& let ty::Param(self_ty) = p.trait_ref.self_ty().kind()
&& ty.index == self_ty.index
{