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Migrate predicates_of and caller_bounds to Clause

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This commit is contained in:
Michael Goulet 2023-06-22 18:17:13 +00:00
parent 36fb58e433
commit fbdef58414
77 changed files with 478 additions and 705 deletions
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23
compiler/rustc_lint/src/builtin.rs
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@ -1593,33 +1593,24 @@ declare_lint_pass!(
impl<'tcx> LateLintPass<'tcx> for TrivialConstraints {
fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx hir::Item<'tcx>) {
use rustc_middle::ty::ClauseKind;
use rustc_middle::ty::PredicateKind::*;
if cx.tcx.features().trivial_bounds {
let predicates = cx.tcx.predicates_of(item.owner_id);
for &(predicate, span) in predicates.predicates {
let predicate_kind_name = match predicate.kind().skip_binder() {
Clause(ClauseKind::Trait(..)) => "trait",
Clause(ClauseKind::TypeOutlives(..)) |
Clause(ClauseKind::RegionOutlives(..)) => "lifetime",
ClauseKind::Trait(..) => "trait",
ClauseKind::TypeOutlives(..) |
ClauseKind::RegionOutlives(..) => "lifetime",
// `ConstArgHasType` is never global as `ct` is always a param
Clause(ClauseKind::ConstArgHasType(..)) |
ClauseKind::ConstArgHasType(..)
// Ignore projections, as they can only be global
// if the trait bound is global
Clause(ClauseKind::Projection(..)) |
| ClauseKind::Projection(..)
// Ignore bounds that a user can't type
Clause(ClauseKind::WellFormed(..)) |
| ClauseKind::WellFormed(..)
// FIXME(generic_const_exprs): `ConstEvaluatable` can be written
Clause(ClauseKind::ConstEvaluatable(..)) |
AliasRelate(..) |
ObjectSafe(..) |
ClosureKind(..) |
Subtype(..) |
Coerce(..) |
ConstEquate(..) |
Ambiguous |
TypeWellFormedFromEnv(..) => continue,
| ClauseKind::ConstEvaluatable(..) => continue,
};
if predicate.is_global() {
cx.emit_spanned_lint(