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Rollup merge of #114044 - ericmarkmartin:more-stable-impls, r=spastorino

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factor out more stable impls

I saw some logic must resembling stable impls and thought it might be nice to factor it out

r? `@spastorino`
This commit is contained in:
Matthias Krüger 2023-07-25 23:34:08 +02:00 committed by GitHub
commit f9b8e6bb62
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1 changed files with 109 additions and 54 deletions
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163
compiler/rustc_smir/src/rustc_smir/mod.rs
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@ -575,19 +575,22 @@ fn stable(&self, tables: &mut Tables<'tcx>) -> Self::T {
impl<'tcx> Stable<'tcx> for ty::GenericArgs<'tcx> {
type T = stable_mir::ty::GenericArgs;
fn stable(&self, tables: &mut Tables<'tcx>) -> Self::T {
use stable_mir::ty::{GenericArgKind, GenericArgs};
use stable_mir::ty::GenericArgs;
GenericArgs(
self.iter()
.map(|arg| match arg.unpack() {
ty::GenericArgKind::Lifetime(region) => {
GenericArgKind::Lifetime(opaque(&region))
}
ty::GenericArgKind::Type(ty) => GenericArgKind::Type(tables.intern_ty(ty)),
ty::GenericArgKind::Const(const_) => GenericArgKind::Const(opaque(&const_)),
})
.collect(),
)
GenericArgs(self.iter().map(|arg| arg.unpack().stable(tables)).collect())
}
}
impl<'tcx> Stable<'tcx> for ty::GenericArgKind<'tcx> {
type T = stable_mir::ty::GenericArgKind;
fn stable(&self, tables: &mut Tables<'tcx>) -> Self::T {
use stable_mir::ty::GenericArgKind;
match self {
ty::GenericArgKind::Lifetime(region) => GenericArgKind::Lifetime(opaque(region)),
ty::GenericArgKind::Type(ty) => GenericArgKind::Type(tables.intern_ty(*ty)),
ty::GenericArgKind::Const(const_) => GenericArgKind::Const(opaque(&const_)),
}
}
}
@ -659,63 +662,118 @@ fn stable(&self, tables: &mut Tables<'tcx>) -> Self::T {
}
}
impl<'tcx> Stable<'tcx> for ty::BoundTyKind {
type T = stable_mir::ty::BoundTyKind;
fn stable(&self, _: &mut Tables<'tcx>) -> Self::T {
use stable_mir::ty::BoundTyKind;
match self {
ty::BoundTyKind::Anon => BoundTyKind::Anon,
ty::BoundTyKind::Param(def_id, symbol) => {
BoundTyKind::Param(rustc_internal::param_def(*def_id), symbol.to_string())
}
}
}
}
impl<'tcx> Stable<'tcx> for ty::BoundRegionKind {
type T = stable_mir::ty::BoundRegionKind;
fn stable(&self, _: &mut Tables<'tcx>) -> Self::T {
use stable_mir::ty::BoundRegionKind;
match self {
ty::BoundRegionKind::BrAnon(option_span) => {
BoundRegionKind::BrAnon(option_span.map(|span| opaque(&span)))
}
ty::BoundRegionKind::BrNamed(def_id, symbol) => {
BoundRegionKind::BrNamed(rustc_internal::br_named_def(*def_id), symbol.to_string())
}
ty::BoundRegionKind::BrEnv => BoundRegionKind::BrEnv,
}
}
}
impl<'tcx> Stable<'tcx> for ty::BoundVariableKind {
type T = stable_mir::ty::BoundVariableKind;
fn stable(&self, _: &mut Tables<'tcx>) -> Self::T {
use stable_mir::ty::{BoundRegionKind, BoundTyKind, BoundVariableKind};
fn stable(&self, tables: &mut Tables<'tcx>) -> Self::T {
use stable_mir::ty::BoundVariableKind;
match self {
ty::BoundVariableKind::Ty(bound_ty_kind) => {
BoundVariableKind::Ty(match bound_ty_kind {
ty::BoundTyKind::Anon => BoundTyKind::Anon,
ty::BoundTyKind::Param(def_id, symbol) => {
BoundTyKind::Param(rustc_internal::param_def(*def_id), symbol.to_string())
}
})
BoundVariableKind::Ty(bound_ty_kind.stable(tables))
}
ty::BoundVariableKind::Region(bound_region_kind) => {
BoundVariableKind::Region(match bound_region_kind {
ty::BoundRegionKind::BrAnon(option_span) => {
BoundRegionKind::BrAnon(option_span.map(|span| opaque(&span)))
}
ty::BoundRegionKind::BrNamed(def_id, symbol) => BoundRegionKind::BrNamed(
rustc_internal::br_named_def(*def_id),
symbol.to_string(),
),
ty::BoundRegionKind::BrEnv => BoundRegionKind::BrEnv,
})
BoundVariableKind::Region(bound_region_kind.stable(tables))
}
ty::BoundVariableKind::Const => BoundVariableKind::Const,
}
}
}
impl<'tcx> Stable<'tcx> for ty::IntTy {
type T = IntTy;
fn stable(&self, _: &mut Tables<'tcx>) -> Self::T {
match self {
ty::IntTy::Isize => IntTy::Isize,
ty::IntTy::I8 => IntTy::I8,
ty::IntTy::I16 => IntTy::I16,
ty::IntTy::I32 => IntTy::I32,
ty::IntTy::I64 => IntTy::I64,
ty::IntTy::I128 => IntTy::I128,
}
}
}
impl<'tcx> Stable<'tcx> for ty::UintTy {
type T = UintTy;
fn stable(&self, _: &mut Tables<'tcx>) -> Self::T {
match self {
ty::UintTy::Usize => UintTy::Usize,
ty::UintTy::U8 => UintTy::U8,
ty::UintTy::U16 => UintTy::U16,
ty::UintTy::U32 => UintTy::U32,
ty::UintTy::U64 => UintTy::U64,
ty::UintTy::U128 => UintTy::U128,
}
}
}
impl<'tcx> Stable<'tcx> for ty::FloatTy {
type T = FloatTy;
fn stable(&self, _: &mut Tables<'tcx>) -> Self::T {
match self {
ty::FloatTy::F32 => FloatTy::F32,
ty::FloatTy::F64 => FloatTy::F64,
}
}
}
impl<'tcx> Stable<'tcx> for hir::Movability {
type T = Movability;
fn stable(&self, _: &mut Tables<'tcx>) -> Self::T {
match self {
hir::Movability::Static => Movability::Static,
hir::Movability::Movable => Movability::Movable,
}
}
}
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::Int(int_ty) => TyKind::RigidTy(RigidTy::Int(int_ty.stable(tables))),
ty::Uint(uint_ty) => TyKind::RigidTy(RigidTy::Uint(uint_ty.stable(tables))),
ty::Float(float_ty) => TyKind::RigidTy(RigidTy::Float(float_ty.stable(tables))),
ty::Adt(adt_def, generic_args) => TyKind::RigidTy(RigidTy::Adt(
rustc_internal::adt_def(adt_def.did()),
generic_args.stable(tables),
@ -758,10 +816,7 @@ fn stable(&self, tables: &mut Tables<'tcx>) -> Self::T {
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,
},
movability.stable(tables),
)),
ty::Never => TyKind::RigidTy(RigidTy::Never),
ty::Tuple(fields) => TyKind::RigidTy(RigidTy::Tuple(