Migrate predicates_of and caller_bounds to Clause

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

View file

@ -2,7 +2,7 @@ use itertools::Itertools;
use rustc_hir::def_id::DefId;
use rustc_middle::mir::visit::Visitor;
use rustc_middle::mir::*;
use rustc_middle::ty::{self, EarlyBinder, PredicateKind, SubstsRef, Ty, TyCtxt};
use rustc_middle::ty::{self, EarlyBinder, SubstsRef, Ty, TyCtxt};
use rustc_session::lint::builtin::FUNCTION_ITEM_REFERENCES;
use rustc_span::{symbol::sym, Span};
use rustc_target::spec::abi::Abi;
@ -74,7 +74,7 @@ impl<'tcx> FunctionItemRefChecker<'_, 'tcx> {
let param_env = self.tcx.param_env(def_id);
let bounds = param_env.caller_bounds();
for bound in bounds {
if let Some(bound_ty) = self.is_pointer_trait(&bound.kind().skip_binder()) {
if let Some(bound_ty) = self.is_pointer_trait(bound) {
// Get the argument types as they appear in the function signature.
let arg_defs = self.tcx.fn_sig(def_id).subst_identity().skip_binder().inputs();
for (arg_num, arg_def) in arg_defs.iter().enumerate() {
@ -104,8 +104,8 @@ impl<'tcx> FunctionItemRefChecker<'_, 'tcx> {
}
/// If the given predicate is the trait `fmt::Pointer`, returns the bound parameter type.
fn is_pointer_trait(&self, bound: &PredicateKind<'tcx>) -> Option<Ty<'tcx>> {
if let ty::PredicateKind::Clause(ty::ClauseKind::Trait(predicate)) = bound {
fn is_pointer_trait(&self, bound: ty::Clause<'tcx>) -> Option<Ty<'tcx>> {
if let ty::ClauseKind::Trait(predicate) = bound.kind().skip_binder() {
self.tcx
.is_diagnostic_item(sym::Pointer, predicate.def_id())
.then(|| predicate.trait_ref.self_ty())