Implement Stable for ty::Ty

This commit is contained in:
Santiago Pastorino 2023-07-21 11:56:49 -03:00
parent 17b8977f9b
commit 634db101ec
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@ -64,7 +64,8 @@ fn rustc_tables(&mut self, f: &mut dyn FnMut(&mut Tables<'_>)) {
}
fn ty_kind(&mut self, ty: crate::stable_mir::ty::Ty) -> TyKind {
self.rustc_ty_to_ty(self.types[ty.0])
let ty = self.types[ty.0];
ty.stable(self)
}
}
@ -75,85 +76,6 @@ pub struct Tables<'tcx> {
}
impl<'tcx> Tables<'tcx> {
fn rustc_ty_to_ty(&mut self, ty: Ty<'tcx>) -> TyKind {
match ty.kind() {
ty::Bool => TyKind::RigidTy(RigidTy::Bool),
ty::Char => TyKind::RigidTy(RigidTy::Char),
ty::Int(int_ty) => match int_ty {
ty::IntTy::Isize => TyKind::RigidTy(RigidTy::Int(IntTy::Isize)),
ty::IntTy::I8 => TyKind::RigidTy(RigidTy::Int(IntTy::I8)),
ty::IntTy::I16 => TyKind::RigidTy(RigidTy::Int(IntTy::I16)),
ty::IntTy::I32 => TyKind::RigidTy(RigidTy::Int(IntTy::I32)),
ty::IntTy::I64 => TyKind::RigidTy(RigidTy::Int(IntTy::I64)),
ty::IntTy::I128 => TyKind::RigidTy(RigidTy::Int(IntTy::I128)),
},
ty::Uint(uint_ty) => match uint_ty {
ty::UintTy::Usize => TyKind::RigidTy(RigidTy::Uint(UintTy::Usize)),
ty::UintTy::U8 => TyKind::RigidTy(RigidTy::Uint(UintTy::U8)),
ty::UintTy::U16 => TyKind::RigidTy(RigidTy::Uint(UintTy::U16)),
ty::UintTy::U32 => TyKind::RigidTy(RigidTy::Uint(UintTy::U32)),
ty::UintTy::U64 => TyKind::RigidTy(RigidTy::Uint(UintTy::U64)),
ty::UintTy::U128 => TyKind::RigidTy(RigidTy::Uint(UintTy::U128)),
},
ty::Float(float_ty) => match float_ty {
ty::FloatTy::F32 => TyKind::RigidTy(RigidTy::Float(FloatTy::F32)),
ty::FloatTy::F64 => TyKind::RigidTy(RigidTy::Float(FloatTy::F64)),
},
ty::Adt(adt_def, generic_args) => TyKind::RigidTy(RigidTy::Adt(
rustc_internal::adt_def(adt_def.did()),
generic_args.stable(self),
)),
ty::Foreign(def_id) => {
TyKind::RigidTy(RigidTy::Foreign(rustc_internal::foreign_def(*def_id)))
}
ty::Str => TyKind::RigidTy(RigidTy::Str),
ty::Array(ty, constant) => {
TyKind::RigidTy(RigidTy::Array(self.intern_ty(*ty), opaque(constant)))
}
ty::Slice(ty) => TyKind::RigidTy(RigidTy::Slice(self.intern_ty(*ty))),
ty::RawPtr(ty::TypeAndMut { ty, mutbl }) => {
TyKind::RigidTy(RigidTy::RawPtr(self.intern_ty(*ty), mutbl.stable(self)))
}
ty::Ref(region, ty, mutbl) => TyKind::RigidTy(RigidTy::Ref(
opaque(region),
self.intern_ty(*ty),
mutbl.stable(self),
)),
ty::FnDef(def_id, generic_args) => TyKind::RigidTy(RigidTy::FnDef(
rustc_internal::fn_def(*def_id),
generic_args.stable(self),
)),
ty::FnPtr(poly_fn_sig) => TyKind::RigidTy(RigidTy::FnPtr(poly_fn_sig.stable(self))),
ty::Dynamic(_, _, _) => todo!(),
ty::Closure(def_id, generic_args) => TyKind::RigidTy(RigidTy::Closure(
rustc_internal::closure_def(*def_id),
generic_args.stable(self),
)),
ty::Generator(def_id, generic_args, movability) => TyKind::RigidTy(RigidTy::Generator(
rustc_internal::generator_def(*def_id),
generic_args.stable(self),
match movability {
hir::Movability::Static => Movability::Static,
hir::Movability::Movable => Movability::Movable,
},
)),
ty::Never => TyKind::RigidTy(RigidTy::Never),
ty::Tuple(fields) => TyKind::RigidTy(RigidTy::Tuple(
fields.iter().map(|ty| self.intern_ty(ty)).collect(),
)),
ty::Alias(_, _) => todo!(),
ty::Param(_) => todo!(),
ty::Bound(_, _) => todo!(),
ty::Placeholder(..)
| ty::GeneratorWitness(_)
| ty::GeneratorWitnessMIR(_, _)
| ty::Infer(_)
| ty::Error(_) => {
unreachable!();
}
}
}
fn intern_ty(&mut self, ty: Ty<'tcx>) -> stable_mir::ty::Ty {
if let Some(id) = self.types.iter().position(|&t| t == ty) {
return stable_mir::ty::Ty(id);
@ -676,3 +598,85 @@ fn stable(&self, _: &mut Tables<'tcx>) -> Self::T {
}
}
}
impl<'tcx> Stable<'tcx> for Ty<'tcx> {
type T = stable_mir::ty::TyKind;
fn stable(&self, tables: &mut Tables<'tcx>) -> Self::T {
match self.kind() {
ty::Bool => TyKind::RigidTy(RigidTy::Bool),
ty::Char => TyKind::RigidTy(RigidTy::Char),
ty::Int(int_ty) => match int_ty {
ty::IntTy::Isize => TyKind::RigidTy(RigidTy::Int(IntTy::Isize)),
ty::IntTy::I8 => TyKind::RigidTy(RigidTy::Int(IntTy::I8)),
ty::IntTy::I16 => TyKind::RigidTy(RigidTy::Int(IntTy::I16)),
ty::IntTy::I32 => TyKind::RigidTy(RigidTy::Int(IntTy::I32)),
ty::IntTy::I64 => TyKind::RigidTy(RigidTy::Int(IntTy::I64)),
ty::IntTy::I128 => TyKind::RigidTy(RigidTy::Int(IntTy::I128)),
},
ty::Uint(uint_ty) => match uint_ty {
ty::UintTy::Usize => TyKind::RigidTy(RigidTy::Uint(UintTy::Usize)),
ty::UintTy::U8 => TyKind::RigidTy(RigidTy::Uint(UintTy::U8)),
ty::UintTy::U16 => TyKind::RigidTy(RigidTy::Uint(UintTy::U16)),
ty::UintTy::U32 => TyKind::RigidTy(RigidTy::Uint(UintTy::U32)),
ty::UintTy::U64 => TyKind::RigidTy(RigidTy::Uint(UintTy::U64)),
ty::UintTy::U128 => TyKind::RigidTy(RigidTy::Uint(UintTy::U128)),
},
ty::Float(float_ty) => match float_ty {
ty::FloatTy::F32 => TyKind::RigidTy(RigidTy::Float(FloatTy::F32)),
ty::FloatTy::F64 => TyKind::RigidTy(RigidTy::Float(FloatTy::F64)),
},
ty::Adt(adt_def, generic_args) => TyKind::RigidTy(RigidTy::Adt(
rustc_internal::adt_def(adt_def.did()),
generic_args.stable(tables),
)),
ty::Foreign(def_id) => {
TyKind::RigidTy(RigidTy::Foreign(rustc_internal::foreign_def(*def_id)))
}
ty::Str => TyKind::RigidTy(RigidTy::Str),
ty::Array(ty, constant) => {
TyKind::RigidTy(RigidTy::Array(tables.intern_ty(*ty), opaque(constant)))
}
ty::Slice(ty) => TyKind::RigidTy(RigidTy::Slice(tables.intern_ty(*ty))),
ty::RawPtr(ty::TypeAndMut { ty, mutbl }) => {
TyKind::RigidTy(RigidTy::RawPtr(tables.intern_ty(*ty), mutbl.stable(tables)))
}
ty::Ref(region, ty, mutbl) => TyKind::RigidTy(RigidTy::Ref(
opaque(region),
tables.intern_ty(*ty),
mutbl.stable(tables),
)),
ty::FnDef(def_id, generic_args) => TyKind::RigidTy(RigidTy::FnDef(
rustc_internal::fn_def(*def_id),
generic_args.stable(tables),
)),
ty::FnPtr(poly_fn_sig) => TyKind::RigidTy(RigidTy::FnPtr(poly_fn_sig.stable(tables))),
ty::Dynamic(_, _, _) => todo!(),
ty::Closure(def_id, generic_args) => TyKind::RigidTy(RigidTy::Closure(
rustc_internal::closure_def(*def_id),
generic_args.stable(tables),
)),
ty::Generator(def_id, generic_args, movability) => TyKind::RigidTy(RigidTy::Generator(
rustc_internal::generator_def(*def_id),
generic_args.stable(tables),
match movability {
hir::Movability::Static => Movability::Static,
hir::Movability::Movable => Movability::Movable,
},
)),
ty::Never => TyKind::RigidTy(RigidTy::Never),
ty::Tuple(fields) => TyKind::RigidTy(RigidTy::Tuple(
fields.iter().map(|ty| tables.intern_ty(ty)).collect(),
)),
ty::Alias(_, _) => todo!(),
ty::Param(_) => todo!(),
ty::Bound(_, _) => todo!(),
ty::Placeholder(..)
| ty::GeneratorWitness(_)
| ty::GeneratorWitnessMIR(_, _)
| ty::Infer(_)
| ty::Error(_) => {
unreachable!();
}
}
}
}