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;
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> {
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()),
}
}
}
&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>,