Rename a bunch of things

compiler/rustc_trait_selection/src/solve.rs

@@ -1,7 +1,7 @@
 pub use rustc_next_trait_solver::solve::*;
 
+mod delegate;
 mod fulfill;
-mod infcx;
 pub mod inspect;
 mod normalize;
 mod select;

compiler/rustc_trait_selection/src/solve/delegate.rs

@@ -39,10 +39,10 @@ impl<'tcx> Deref for SolverDelegate<'tcx> {
     }
 }
 
-impl<'tcx> rustc_next_trait_solver::infcx::SolverDelegate for SolverDelegate<'tcx> {
+impl<'tcx> rustc_next_trait_solver::delegate::SolverDelegate for SolverDelegate<'tcx> {
     type Interner = TyCtxt<'tcx>;
 
-    fn interner(&self) -> TyCtxt<'tcx> {
+    fn cx(&self) -> TyCtxt<'tcx> {
         self.0.tcx
     }
 

compiler/rustc_trait_selection/src/solve/fulfill.rs

@@ -17,7 +17,7 @@ use rustc_span::symbol::sym;
 
 use crate::traits::{FulfillmentError, FulfillmentErrorCode, ScrubbedTraitError};
 
-use super::infcx::SolverDelegate;
+use super::delegate::SolverDelegate;
 use super::inspect::{self, ProofTreeInferCtxtExt, ProofTreeVisitor};
 use super::Certainty;
 

compiler/rustc_trait_selection/src/solve/inspect/analyse.rs

@@ -22,7 +22,7 @@ use rustc_next_trait_solver::solve::inspect::{self, instantiate_canonical_state}
 use rustc_next_trait_solver::solve::{GenerateProofTree, MaybeCause, SolverDelegateEvalExt as _};
 use rustc_span::{Span, DUMMY_SP};
 
-use crate::solve::infcx::SolverDelegate;
+use crate::solve::delegate::SolverDelegate;
 use crate::traits::ObligationCtxt;
 
 pub struct InspectConfig {

compiler/rustc_trait_selection/src/solve/normalize.rs

@@ -156,7 +156,7 @@ where
 {
     type Error = Vec<E>;
 
-    fn interner(&self) -> TyCtxt<'tcx> {
+    fn cx(&self) -> TyCtxt<'tcx> {
         self.at.infcx.tcx
     }
 
@@ -244,7 +244,7 @@ struct DeeplyNormalizeForDiagnosticsFolder<'a, 'tcx> {
 }
 
 impl<'tcx> TypeFolder<TyCtxt<'tcx>> for DeeplyNormalizeForDiagnosticsFolder<'_, 'tcx> {
-    fn interner(&self) -> TyCtxt<'tcx> {
+    fn cx(&self) -> TyCtxt<'tcx> {
         self.at.infcx.tcx
     }
 

compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs

@@ -4936,7 +4936,7 @@ impl<'tcx> TypeFolder<TyCtxt<'tcx>> for ReplaceImplTraitFolder<'tcx> {
         t.super_fold_with(self)
     }
 
-    fn interner(&self) -> TyCtxt<'tcx> {
+    fn cx(&self) -> TyCtxt<'tcx> {
         self.tcx
     }
 }

compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs

@@ -2840,7 +2840,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> {
         }
 
         impl<'a, 'tcx> TypeFolder<TyCtxt<'tcx>> for ParamToVarFolder<'a, 'tcx> {
-            fn interner(&self) -> TyCtxt<'tcx> {
+            fn cx(&self) -> TyCtxt<'tcx> {
                 self.infcx.tcx
             }
 

compiler/rustc_trait_selection/src/traits/mod.rs

@@ -350,7 +350,7 @@ pub fn normalize_param_env_or_error<'tcx>(
             struct ConstNormalizer<'tcx>(TyCtxt<'tcx>);
 
             impl<'tcx> TypeFolder<TyCtxt<'tcx>> for ConstNormalizer<'tcx> {
-                fn interner(&self) -> TyCtxt<'tcx> {
+                fn cx(&self) -> TyCtxt<'tcx> {
                     self.0
                 }
 

compiler/rustc_trait_selection/src/traits/normalize.rs

@@ -163,7 +163,7 @@ impl<'a, 'b, 'tcx> AssocTypeNormalizer<'a, 'b, 'tcx> {
 }
 
 impl<'a, 'b, 'tcx> TypeFolder<TyCtxt<'tcx>> for AssocTypeNormalizer<'a, 'b, 'tcx> {
-    fn interner(&self) -> TyCtxt<'tcx> {
+    fn cx(&self) -> TyCtxt<'tcx> {
         self.selcx.tcx()
     }
 
@@ -217,7 +217,7 @@ impl<'a, 'b, 'tcx> TypeFolder<TyCtxt<'tcx>> for AssocTypeNormalizer<'a, 'b, 'tcx
                     Reveal::UserFacing => ty.super_fold_with(self),
 
                     Reveal::All => {
-                        let recursion_limit = self.interner().recursion_limit();
+                        let recursion_limit = self.cx().recursion_limit();
                         if !recursion_limit.value_within_limit(self.depth) {
                             self.selcx.infcx.err_ctxt().report_overflow_error(
                                 OverflowCause::DeeplyNormalize(data.into()),
@@ -228,8 +228,8 @@ impl<'a, 'b, 'tcx> TypeFolder<TyCtxt<'tcx>> for AssocTypeNormalizer<'a, 'b, 'tcx
                         }
 
                         let args = data.args.fold_with(self);
-                        let generic_ty = self.interner().type_of(data.def_id);
-                        let concrete_ty = generic_ty.instantiate(self.interner(), args);
+                        let generic_ty = self.cx().type_of(data.def_id);
+                        let concrete_ty = generic_ty.instantiate(self.cx(), args);
                         self.depth += 1;
                         let folded_ty = self.fold_ty(concrete_ty);
                         self.depth -= 1;
@@ -313,7 +313,7 @@ impl<'a, 'b, 'tcx> TypeFolder<TyCtxt<'tcx>> for AssocTypeNormalizer<'a, 'b, 'tcx
                 normalized_ty
             }
             ty::Weak => {
-                let recursion_limit = self.interner().recursion_limit();
+                let recursion_limit = self.cx().recursion_limit();
                 if !recursion_limit.value_within_limit(self.depth) {
                     self.selcx.infcx.err_ctxt().report_overflow_error(
                         OverflowCause::DeeplyNormalize(data.into()),

compiler/rustc_trait_selection/src/traits/query/normalize.rs

@@ -172,7 +172,7 @@ struct QueryNormalizer<'cx, 'tcx> {
 impl<'cx, 'tcx> FallibleTypeFolder<TyCtxt<'tcx>> for QueryNormalizer<'cx, 'tcx> {
     type Error = NoSolution;
 
-    fn interner(&self) -> TyCtxt<'tcx> {
+    fn cx(&self) -> TyCtxt<'tcx> {
         self.infcx.tcx
     }
 
@@ -217,7 +217,7 @@ impl<'cx, 'tcx> FallibleTypeFolder<TyCtxt<'tcx>> for QueryNormalizer<'cx, 'tcx>
 
                     Reveal::All => {
                         let args = data.args.try_fold_with(self)?;
-                        let recursion_limit = self.interner().recursion_limit();
+                        let recursion_limit = self.cx().recursion_limit();
 
                         if !recursion_limit.value_within_limit(self.anon_depth) {
                             let guar = self
@@ -229,15 +229,15 @@ impl<'cx, 'tcx> FallibleTypeFolder<TyCtxt<'tcx>> for QueryNormalizer<'cx, 'tcx>
                                     true,
                                 )
                                 .delay_as_bug();
-                            return Ok(Ty::new_error(self.interner(), guar));
+                            return Ok(Ty::new_error(self.cx(), guar));
                         }
 
-                        let generic_ty = self.interner().type_of(data.def_id);
-                        let mut concrete_ty = generic_ty.instantiate(self.interner(), args);
+                        let generic_ty = self.cx().type_of(data.def_id);
+                        let mut concrete_ty = generic_ty.instantiate(self.cx(), args);
                         self.anon_depth += 1;
                         if concrete_ty == ty {
                             concrete_ty = Ty::new_error_with_message(
-                                self.interner(),
+                                self.cx(),
                                 DUMMY_SP,
                                 "recursive opaque type",
                             );

compiler/rustc_trait_selection/src/traits/util.rs

@@ -394,7 +394,7 @@ impl<'me, 'tcx> BoundVarReplacer<'me, 'tcx> {
 }
 
 impl<'tcx> TypeFolder<TyCtxt<'tcx>> for BoundVarReplacer<'_, 'tcx> {
-    fn interner(&self) -> TyCtxt<'tcx> {
+    fn cx(&self) -> TyCtxt<'tcx> {
         self.infcx.tcx
     }
 
@@ -509,7 +509,7 @@ impl<'me, 'tcx> PlaceholderReplacer<'me, 'tcx> {
 }
 
 impl<'tcx> TypeFolder<TyCtxt<'tcx>> for PlaceholderReplacer<'_, 'tcx> {
-    fn interner(&self) -> TyCtxt<'tcx> {
+    fn cx(&self) -> TyCtxt<'tcx> {
         self.infcx.tcx
     }
 
@@ -550,7 +550,7 @@ impl<'tcx> TypeFolder<TyCtxt<'tcx>> for PlaceholderReplacer<'_, 'tcx> {
                         let db = ty::DebruijnIndex::from_usize(
                             self.universe_indices.len() - index + self.current_index.as_usize() - 1,
                         );
-                        ty::Region::new_bound(self.interner(), db, *replace_var)
+                        ty::Region::new_bound(self.cx(), db, *replace_var)
                     }
                     None => r1,
                 }