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Implement Stable for ty::GenericArgs

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This commit is contained in:
Santiago Pastorino 2023-07-20 22:33:37 -03:00
parent cbabd00c12
commit 93bcc2ef98
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GPG Key ID: 8131A24E0C79EFAF
1 changed files with 24 additions and 25 deletions
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49
compiler/rustc_smir/src/rustc_smir/mod.rs
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@ -8,9 +8,7 @@
//! For now, we are developing everything inside `rustc`, thus, we keep this module private.
use crate::rustc_internal::{self, opaque};
use crate::stable_mir::ty::{
FloatTy, GenericArgKind, GenericArgs, IntTy, Movability, RigidTy, TyKind, UintTy,
};
use crate::stable_mir::ty::{FloatTy, IntTy, Movability, RigidTy, TyKind, UintTy};
use crate::stable_mir::{self, Context};
use rustc_hir as hir;
use rustc_middle::mir;
@ -103,7 +101,7 @@ impl<'tcx> Tables<'tcx> {
},
ty::Adt(adt_def, generic_args) => TyKind::RigidTy(RigidTy::Adt(
rustc_internal::adt_def(adt_def.did()),
self.generic_args(generic_args),
generic_args.stable(self),
)),
ty::Foreign(def_id) => {
TyKind::RigidTy(RigidTy::Foreign(rustc_internal::foreign_def(*def_id)))
@ -123,17 +121,17 @@ impl<'tcx> Tables<'tcx> {
)),
ty::FnDef(def_id, generic_args) => TyKind::RigidTy(RigidTy::FnDef(
rustc_internal::fn_def(*def_id),
self.generic_args(generic_args),
generic_args.stable(self),
)),
ty::FnPtr(_) => todo!(),
ty::Dynamic(_, _, _) => todo!(),
ty::Closure(def_id, generic_args) => TyKind::RigidTy(RigidTy::Closure(
rustc_internal::closure_def(*def_id),
self.generic_args(generic_args),
generic_args.stable(self),
)),
ty::Generator(def_id, generic_args, movability) => TyKind::RigidTy(RigidTy::Generator(
rustc_internal::generator_def(*def_id),
self.generic_args(generic_args),
generic_args.stable(self),
match movability {
hir::Movability::Static => Movability::Static,
hir::Movability::Movable => Movability::Movable,
@ -164,24 +162,6 @@ impl<'tcx> Tables<'tcx> {
self.types.push(ty);
stable_mir::ty::Ty(id)
}
fn generic_args(
&mut self,
generic_args: &ty::GenericArgs<'tcx>,
) -> stable_mir::ty::GenericArgs {
GenericArgs(
generic_args
.iter()
.map(|arg| match arg.unpack() {
ty::GenericArgKind::Lifetime(region) => {
GenericArgKind::Lifetime(opaque(&region))
}
ty::GenericArgKind::Type(ty) => GenericArgKind::Type(self.intern_ty(ty)),
ty::GenericArgKind::Const(const_) => GenericArgKind::Const(opaque(&const_)),
})
.collect(),
)
}
}
/// Build a stable mir crate from a given crate number.
@ -582,3 +562,22 @@ impl<'tcx> Stable<'tcx> for mir::Terminator<'tcx> {
}
}
}
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};
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(),
)
}
}