diff options
| -rw-r--r-- | compiler/rustc_infer/src/infer/fudge.rs | 2 | ||||
| -rw-r--r-- | compiler/rustc_infer/src/infer/type_variable.rs | 18 | ||||
| -rw-r--r-- | compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs | 4 | ||||
| -rw-r--r-- | compiler/rustc_type_ir/src/lib.rs | 21 | ||||
| -rw-r--r-- | compiler/rustc_typeck/src/check/method/suggest.rs | 2 |
5 files changed, 21 insertions, 26 deletions
diff --git a/compiler/rustc_infer/src/infer/fudge.rs b/compiler/rustc_infer/src/infer/fudge.rs index c292b2bdb30..35ebe92c592 100644 --- a/compiler/rustc_infer/src/infer/fudge.rs +++ b/compiler/rustc_infer/src/infer/fudge.rs @@ -187,7 +187,7 @@ impl<'a, 'tcx> TypeFolder<'tcx> for InferenceFudger<'a, 'tcx> { if self.type_vars.0.contains(&vid) { // This variable was created during the fudging. // Recreate it with a fresh variable here. - let idx = (vid.index - self.type_vars.0.start.index) as usize; + let idx = (vid.as_usize() - self.type_vars.0.start.as_usize()) as usize; let origin = self.type_vars.1[idx]; self.infcx.next_ty_var(origin) } else { diff --git a/compiler/rustc_infer/src/infer/type_variable.rs b/compiler/rustc_infer/src/infer/type_variable.rs index d2b0bdaf978..f15268f6895 100644 --- a/compiler/rustc_infer/src/infer/type_variable.rs +++ b/compiler/rustc_infer/src/infer/type_variable.rs @@ -196,7 +196,7 @@ impl<'tcx> TypeVariableTable<'_, 'tcx> { /// Note that this function does not return care whether /// `vid` has been unified with something else or not. pub fn var_diverges(&self, vid: ty::TyVid) -> Diverging { - self.storage.values.get(vid.index as usize).diverging + self.storage.values.get(vid.index()).diverging } /// Returns the origin that was given when `vid` was created. @@ -204,7 +204,7 @@ impl<'tcx> TypeVariableTable<'_, 'tcx> { /// Note that this function does not return care whether /// `vid` has been unified with something else or not. pub fn var_origin(&self, vid: ty::TyVid) -> &TypeVariableOrigin { - &self.storage.values.get(vid.index as usize).origin + &self.storage.values.get(vid.as_usize()).origin } /// Records that `a == b`, depending on `dir`. @@ -269,7 +269,7 @@ impl<'tcx> TypeVariableTable<'_, 'tcx> { assert_eq!(eq_key.vid, sub_key); let index = self.values().push(TypeVariableData { origin, diverging }); - assert_eq!(eq_key.vid.index, index as u32); + assert_eq!(eq_key.vid.as_u32(), index as u32); debug!( "new_var(index={:?}, universe={:?}, diverging={:?}, origin={:?}", @@ -357,11 +357,11 @@ impl<'tcx> TypeVariableTable<'_, 'tcx> { &mut self, value_count: usize, ) -> (Range<TyVid>, Vec<TypeVariableOrigin>) { - let range = TyVid { index: value_count as u32 }..TyVid { index: self.num_vars() as u32 }; + let range = TyVid::from_usize(value_count)..TyVid::from_usize(self.num_vars()); ( range.start..range.end, - (range.start.index..range.end.index) - .map(|index| self.storage.values.get(index as usize).origin) + (range.start.as_usize()..range.end.as_usize()) + .map(|index| self.storage.values.get(index).origin) .collect(), ) } @@ -371,7 +371,7 @@ impl<'tcx> TypeVariableTable<'_, 'tcx> { pub fn unsolved_variables(&mut self) -> Vec<ty::TyVid> { (0..self.storage.values.len()) .filter_map(|i| { - let vid = ty::TyVid { index: i as u32 }; + let vid = ty::TyVid::from_usize(i); match self.probe(vid) { TypeVariableValue::Unknown { .. } => Some(vid), TypeVariableValue::Known { .. } => None, @@ -424,10 +424,10 @@ impl<'tcx> ut::UnifyKey for TyVidEqKey<'tcx> { type Value = TypeVariableValue<'tcx>; #[inline(always)] fn index(&self) -> u32 { - self.vid.index + self.vid.as_u32() } fn from_index(i: u32) -> Self { - TyVidEqKey::from(ty::TyVid { index: i }) + TyVidEqKey::from(ty::TyVid::from_u32(i)) } fn tag() -> &'static str { "TyVidEqKey" diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs index db3432b0142..0d3fd748645 100644 --- a/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs +++ b/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs @@ -1244,7 +1244,7 @@ impl<'a, 'tcx> InferCtxtExt<'tcx> for InferCtxt<'a, 'tcx> { let sig = if let ty::Tuple(inputs) = inputs.kind() { tcx.mk_fn_sig( inputs.iter().map(|k| k.expect_ty()), - tcx.mk_ty_infer(ty::TyVar(ty::TyVid { index: 0 })), + tcx.mk_ty_infer(ty::TyVar(ty::TyVid::from_u32(0))), false, hir::Unsafety::Normal, abi::Abi::Rust, @@ -1252,7 +1252,7 @@ impl<'a, 'tcx> InferCtxtExt<'tcx> for InferCtxt<'a, 'tcx> { } else { tcx.mk_fn_sig( std::iter::once(inputs), - tcx.mk_ty_infer(ty::TyVar(ty::TyVid { index: 0 })), + tcx.mk_ty_infer(ty::TyVar(ty::TyVid::from_u32(0))), false, hir::Unsafety::Normal, abi::Abi::Rust, diff --git a/compiler/rustc_type_ir/src/lib.rs b/compiler/rustc_type_ir/src/lib.rs index c405bbe2d1f..d9ce169efc1 100644 --- a/compiler/rustc_type_ir/src/lib.rs +++ b/compiler/rustc_type_ir/src/lib.rs @@ -363,10 +363,11 @@ pub enum IntVarValue { #[derive(Clone, Copy, PartialEq, Eq)] pub struct FloatVarValue(pub FloatTy); -/// A **ty**pe **v**ariable **ID**. -#[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash, Encodable, Decodable)] -pub struct TyVid { - pub index: u32, +rustc_index::newtype_index! { + /// A **ty**pe **v**ariable **ID**. + pub struct TyVid { + DEBUG_FORMAT = "_#{}t" + } } /// An **int**egral (`u32`, `i32`, `usize`, etc.) type **v**ariable **ID**. @@ -422,10 +423,10 @@ pub enum InferTy { impl UnifyKey for TyVid { type Value = (); fn index(&self) -> u32 { - self.index + self.as_u32() } fn from_index(i: u32) -> TyVid { - TyVid { index: i } + TyVid::from_u32(i) } fn tag() -> &'static str { "TyVid" @@ -558,7 +559,7 @@ impl<CTX> HashStable<CTX> for InferTy { fn hash_stable(&self, ctx: &mut CTX, hasher: &mut StableHasher) { use InferTy::*; match self { - TyVar(v) => v.index.hash_stable(ctx, hasher), + TyVar(v) => v.as_u32().hash_stable(ctx, hasher), IntVar(v) => v.index.hash_stable(ctx, hasher), FloatVar(v) => v.index.hash_stable(ctx, hasher), FreshTy(v) | FreshIntTy(v) | FreshFloatTy(v) => v.hash_stable(ctx, hasher), @@ -587,12 +588,6 @@ impl fmt::Debug for FloatVarValue { } } -impl fmt::Debug for TyVid { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - write!(f, "_#{}t", self.index) - } -} - impl fmt::Debug for IntVid { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { write!(f, "_#{}i", self.index) diff --git a/compiler/rustc_typeck/src/check/method/suggest.rs b/compiler/rustc_typeck/src/check/method/suggest.rs index aec080ae205..9ed6d0c6ece 100644 --- a/compiler/rustc_typeck/src/check/method/suggest.rs +++ b/compiler/rustc_typeck/src/check/method/suggest.rs @@ -742,7 +742,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let projection_ty = pred.skip_binder().projection_ty; let substs_with_infer_self = tcx.mk_substs( - iter::once(tcx.mk_ty_var(ty::TyVid { index: 0 }).into()) + iter::once(tcx.mk_ty_var(ty::TyVid::from_u32(0)).into()) .chain(projection_ty.substs.iter().skip(1)), ); |