diff options
Diffstat (limited to '')
-rw-r--r-- | compiler/rustc_trait_selection/src/traits/engine.rs | 22 |
1 files changed, 12 insertions, 10 deletions
diff --git a/compiler/rustc_trait_selection/src/traits/engine.rs b/compiler/rustc_trait_selection/src/traits/engine.rs index c028e89e4..369f80139 100644 --- a/compiler/rustc_trait_selection/src/traits/engine.rs +++ b/compiler/rustc_trait_selection/src/traits/engine.rs @@ -3,12 +3,13 @@ use std::fmt::Debug; use super::TraitEngine; use super::{ChalkFulfillmentContext, FulfillmentContext}; +use crate::solve::FulfillmentCtxt as NextFulfillmentCtxt; use crate::traits::NormalizeExt; use rustc_data_structures::fx::FxIndexSet; use rustc_hir::def_id::{DefId, LocalDefId}; use rustc_infer::infer::at::ToTrace; use rustc_infer::infer::canonical::{ - Canonical, CanonicalVarValues, CanonicalizedQueryResponse, QueryResponse, + Canonical, CanonicalQueryResponse, CanonicalVarValues, QueryResponse, }; use rustc_infer::infer::{InferCtxt, InferOk}; use rustc_infer::traits::query::Fallible; @@ -20,6 +21,7 @@ use rustc_middle::ty::error::TypeError; use rustc_middle::ty::ToPredicate; use rustc_middle::ty::TypeFoldable; use rustc_middle::ty::{self, Ty, TyCtxt}; +use rustc_session::config::TraitSolver; use rustc_span::Span; pub trait TraitEngineExt<'tcx> { @@ -29,18 +31,18 @@ pub trait TraitEngineExt<'tcx> { impl<'tcx> TraitEngineExt<'tcx> for dyn TraitEngine<'tcx> { fn new(tcx: TyCtxt<'tcx>) -> Box<Self> { - if tcx.sess.opts.unstable_opts.chalk { - Box::new(ChalkFulfillmentContext::new()) - } else { - Box::new(FulfillmentContext::new()) + match tcx.sess.opts.unstable_opts.trait_solver { + TraitSolver::Classic => Box::new(FulfillmentContext::new()), + TraitSolver::Chalk => Box::new(ChalkFulfillmentContext::new()), + TraitSolver::Next => Box::new(NextFulfillmentCtxt::new()), } } fn new_in_snapshot(tcx: TyCtxt<'tcx>) -> Box<Self> { - if tcx.sess.opts.unstable_opts.chalk { - Box::new(ChalkFulfillmentContext::new_in_snapshot()) - } else { - Box::new(FulfillmentContext::new_in_snapshot()) + match tcx.sess.opts.unstable_opts.trait_solver { + TraitSolver::Classic => Box::new(FulfillmentContext::new_in_snapshot()), + TraitSolver::Chalk => Box::new(ChalkFulfillmentContext::new_in_snapshot()), + TraitSolver::Next => Box::new(NextFulfillmentCtxt::new()), } } } @@ -213,7 +215,7 @@ impl<'a, 'tcx> ObligationCtxt<'a, 'tcx> { &self, inference_vars: CanonicalVarValues<'tcx>, answer: T, - ) -> Fallible<CanonicalizedQueryResponse<'tcx, T>> + ) -> Fallible<CanonicalQueryResponse<'tcx, T>> where T: Debug + TypeFoldable<'tcx>, Canonical<'tcx, QueryResponse<'tcx, T>>: ArenaAllocatable<'tcx>, |