bjoernager/rust
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Use TraitEngine in more places, make FulfillmentCtxt constructor more private

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This commit is contained in:
Michael Goulet 2022-11-02 00:54:36 +00:00
parent 34115d040b
commit ed17c6b1c3
5 changed files with 12 additions and 10 deletions
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4
compiler/rustc_trait_selection/src/autoderef.rs
View file

@ -1,6 +1,6 @@
use crate::errors::AutoDerefReachedRecursionLimit;
use crate::traits::query::evaluate_obligation::InferCtxtExt;
use crate::traits::{self, TraitEngine};
use crate::traits::{self, TraitEngine, TraitEngineExt};
use rustc_hir as hir;
use rustc_infer::infer::InferCtxt;
use rustc_middle::ty::{self, TraitRef, Ty, TyCtxt};
@ -139,7 +139,7 @@ impl<'a, 'tcx> Autoderef<'a, 'tcx> {
return None;
}
let mut fulfillcx = traits::FulfillmentContext::new_in_snapshot();
let mut fulfillcx = <dyn TraitEngine<'tcx>>::new_in_snapshot(tcx);
let normalized_ty = fulfillcx.normalize_projection_type(
&self.infcx,
self.param_env,

2
compiler/rustc_trait_selection/src/traits/chalk_fulfill.rs
View file

@ -19,7 +19,7 @@ pub struct FulfillmentContext<'tcx> {
}
impl FulfillmentContext<'_> {
pub(crate) fn new() -> Self {
pub(super) fn new() -> Self {
FulfillmentContext {
obligations: FxIndexSet::default(),
relationships: FxHashMap::default(),

9
compiler/rustc_trait_selection/src/traits/error_reporting/mod.rs
View file

@ -3,13 +3,14 @@ pub mod on_unimplemented;
pub mod suggestions;
use super::{
FulfillmentContext, FulfillmentError, FulfillmentErrorCode, MismatchedProjectionTypes,
Obligation, ObligationCause, ObligationCauseCode, OutputTypeParameterMismatch, Overflow,
PredicateObligation, SelectionContext, SelectionError, TraitNotObjectSafe,
FulfillmentError, FulfillmentErrorCode, MismatchedProjectionTypes, Obligation, ObligationCause,
ObligationCauseCode, OutputTypeParameterMismatch, Overflow, PredicateObligation,
SelectionContext, SelectionError, TraitNotObjectSafe,
};
use crate::infer::error_reporting::{TyCategory, TypeAnnotationNeeded as ErrorCode};
use crate::infer::type_variable::{TypeVariableOrigin, TypeVariableOriginKind};
use crate::infer::{self, InferCtxt, TyCtxtInferExt};
use crate::traits::engine::TraitEngineExt as _;
use crate::traits::query::evaluate_obligation::InferCtxtExt as _;
use crate::traits::query::normalize::AtExt as _;
use crate::traits::specialize::to_pretty_impl_header;
@ -352,7 +353,7 @@ impl<'tcx> InferCtxtExt<'tcx> for InferCtxt<'tcx> {
})
.to_predicate(self.tcx),
);
let mut fulfill_cx = FulfillmentContext::new_in_snapshot();
let mut fulfill_cx = <dyn TraitEngine<'tcx>>::new_in_snapshot(self.tcx);
fulfill_cx.register_predicate_obligation(self, obligation);
if fulfill_cx.select_all_or_error(self).is_empty() {
return Ok((

4
compiler/rustc_trait_selection/src/traits/fulfill.rs
View file

@ -85,7 +85,7 @@ static_assert_size!(PendingPredicateObligation<'_>, 72);
impl<'a, 'tcx> FulfillmentContext<'tcx> {
/// Creates a new fulfillment context.
pub fn new() -> FulfillmentContext<'tcx> {
pub(super) fn new() -> FulfillmentContext<'tcx> {
FulfillmentContext {
predicates: ObligationForest::new(),
relationships: FxHashMap::default(),
@ -93,7 +93,7 @@ impl<'a, 'tcx> FulfillmentContext<'tcx> {
}
}
pub fn new_in_snapshot() -> FulfillmentContext<'tcx> {
pub(super) fn new_in_snapshot() -> FulfillmentContext<'tcx> {
FulfillmentContext {
predicates: ObligationForest::new(),
relationships: FxHashMap::default(),