rustc_public/unstable/convert/stable/
ty.rs

1//! Conversion of internal Rust compiler `ty` items to stable ones.
2
3use rustc_middle::ty::Ty;
4use rustc_middle::{mir, ty};
5use rustc_public_bridge::Tables;
6use rustc_public_bridge::context::CompilerCtxt;
7use rustc_span::bug;
8
9use crate::alloc;
10use crate::compiler_interface::BridgeTys;
11use crate::ty::{
12    AdtKind, FloatTy, GenericArgs, GenericParamDef, IntTy, Region, RigidTy, TyKind, UintTy,
13};
14use crate::unstable::Stable;
15
16impl<'tcx> Stable<'tcx> for ty::AliasTyKind<'tcx> {
17    type T = crate::ty::AliasKind;
18    fn stable(&self, _: &mut Tables<'_, BridgeTys>, _: &CompilerCtxt<'_, BridgeTys>) -> Self::T {
19        match self {
20            ty::Projection { .. } => crate::ty::AliasKind::Projection,
21            ty::Inherent { .. } => crate::ty::AliasKind::Inherent,
22            ty::Opaque { .. } => crate::ty::AliasKind::Opaque,
23            ty::Free { .. } => crate::ty::AliasKind::Free,
24        }
25    }
26}
27
28impl<'tcx> Stable<'tcx> for ty::AliasTy<'tcx> {
29    type T = crate::ty::AliasTy;
30    fn stable<'cx>(
31        &self,
32        tables: &mut Tables<'cx, BridgeTys>,
33        cx: &CompilerCtxt<'cx, BridgeTys>,
34    ) -> Self::T {
35        let ty::AliasTy { args, kind, .. } = self;
36        // rustc_public must change its API once we introduce a variant without a def_id.
37        let def_id = match *kind {
38            ty::AliasTyKind::Projection { def_id }
39            | ty::AliasTyKind::Inherent { def_id }
40            | ty::AliasTyKind::Opaque { def_id }
41            | ty::AliasTyKind::Free { def_id } => def_id,
42        };
43        crate::ty::AliasTy { def_id: tables.alias_def(def_id), args: args.stable(tables, cx) }
44    }
45}
46
47impl<'tcx> Stable<'tcx> for ty::AliasTerm<'tcx> {
48    type T = crate::ty::AliasTerm;
49    fn stable<'cx>(
50        &self,
51        tables: &mut Tables<'cx, BridgeTys>,
52        cx: &CompilerCtxt<'cx, BridgeTys>,
53    ) -> Self::T {
54        let ty::AliasTerm { args, kind, .. } = self;
55        // rustc_public must change its API once we introduce a variant without a def_id.
56        let def_id = match *kind {
57            ty::AliasTermKind::ProjectionTy { def_id }
58            | ty::AliasTermKind::InherentTy { def_id }
59            | ty::AliasTermKind::OpaqueTy { def_id }
60            | ty::AliasTermKind::FreeTy { def_id }
61            | ty::AliasTermKind::AnonConst { def_id }
62            | ty::AliasTermKind::ProjectionConst { def_id }
63            | ty::AliasTermKind::FreeConst { def_id }
64            | ty::AliasTermKind::InherentConstSelf { def_id }
65            | ty::AliasTermKind::InherentConstImpl { def_id } => def_id,
66        };
67        crate::ty::AliasTerm { def_id: tables.alias_def(def_id), args: args.stable(tables, cx) }
68    }
69}
70
71impl<'tcx> Stable<'tcx> for ty::ExistentialPredicate<'tcx> {
72    type T = crate::ty::ExistentialPredicate;
73
74    fn stable<'cx>(
75        &self,
76        tables: &mut Tables<'cx, BridgeTys>,
77        cx: &CompilerCtxt<'cx, BridgeTys>,
78    ) -> Self::T {
79        use crate::ty::ExistentialPredicate::*;
80        match self {
81            ty::ExistentialPredicate::Trait(existential_trait_ref) => {
82                Trait(existential_trait_ref.stable(tables, cx))
83            }
84            ty::ExistentialPredicate::Projection(existential_projection) => {
85                Projection(existential_projection.stable(tables, cx))
86            }
87            ty::ExistentialPredicate::AutoTrait(def_id) => AutoTrait(tables.trait_def(*def_id)),
88        }
89    }
90}
91
92impl<'tcx> Stable<'tcx> for ty::ExistentialTraitRef<'tcx> {
93    type T = crate::ty::ExistentialTraitRef;
94
95    fn stable<'cx>(
96        &self,
97        tables: &mut Tables<'cx, BridgeTys>,
98        cx: &CompilerCtxt<'cx, BridgeTys>,
99    ) -> Self::T {
100        let ty::ExistentialTraitRef { def_id, args, .. } = self;
101        crate::ty::ExistentialTraitRef {
102            def_id: tables.trait_def(*def_id),
103            generic_args: args.stable(tables, cx),
104        }
105    }
106}
107
108impl<'tcx> Stable<'tcx> for ty::TermKind<'tcx> {
109    type T = crate::ty::TermKind;
110
111    fn stable<'cx>(
112        &self,
113        tables: &mut Tables<'cx, BridgeTys>,
114        cx: &CompilerCtxt<'cx, BridgeTys>,
115    ) -> Self::T {
116        use crate::ty::TermKind;
117        match self {
118            ty::TermKind::Ty(ty) => TermKind::Type(ty.stable(tables, cx)),
119            ty::TermKind::Const(cnst) => {
120                let cnst = cnst.stable(tables, cx);
121                TermKind::Const(cnst)
122            }
123        }
124    }
125}
126
127impl<'tcx> Stable<'tcx> for ty::ExistentialProjection<'tcx> {
128    type T = crate::ty::ExistentialProjection;
129
130    fn stable<'cx>(
131        &self,
132        tables: &mut Tables<'cx, BridgeTys>,
133        cx: &CompilerCtxt<'cx, BridgeTys>,
134    ) -> Self::T {
135        let ty::ExistentialProjection { def_id, args, term, .. } = self;
136        crate::ty::ExistentialProjection {
137            def_id: tables.trait_def(*def_id),
138            generic_args: args.stable(tables, cx),
139            term: term.kind().stable(tables, cx),
140        }
141    }
142}
143
144impl<'tcx> Stable<'tcx> for ty::adjustment::PointerCoercion {
145    type T = crate::mir::PointerCoercion;
146    fn stable<'cx>(
147        &self,
148        tables: &mut Tables<'cx, BridgeTys>,
149        cx: &CompilerCtxt<'cx, BridgeTys>,
150    ) -> Self::T {
151        use rustc_middle::ty::adjustment::PointerCoercion;
152        match self {
153            PointerCoercion::ReifyFnPointer(safety) => {
154                crate::mir::PointerCoercion::ReifyFnPointer(safety.stable(tables, cx))
155            }
156            PointerCoercion::UnsafeFnPointer => crate::mir::PointerCoercion::UnsafeFnPointer,
157            PointerCoercion::ClosureFnPointer(safety) => {
158                crate::mir::PointerCoercion::ClosureFnPointer(safety.stable(tables, cx))
159            }
160            PointerCoercion::MutToConstPointer => crate::mir::PointerCoercion::MutToConstPointer,
161            PointerCoercion::ArrayToPointer => crate::mir::PointerCoercion::ArrayToPointer,
162            PointerCoercion::Unsize => crate::mir::PointerCoercion::Unsize,
163        }
164    }
165}
166
167impl<'tcx> Stable<'tcx> for ty::UserTypeAnnotationIndex {
168    type T = usize;
169    fn stable(&self, _: &mut Tables<'_, BridgeTys>, _: &CompilerCtxt<'_, BridgeTys>) -> Self::T {
170        self.as_usize()
171    }
172}
173
174impl<'tcx> Stable<'tcx> for ty::AdtKind {
175    type T = AdtKind;
176
177    fn stable(&self, _: &mut Tables<'_, BridgeTys>, _: &CompilerCtxt<'_, BridgeTys>) -> Self::T {
178        match self {
179            ty::AdtKind::Struct => AdtKind::Struct,
180            ty::AdtKind::Union => AdtKind::Union,
181            ty::AdtKind::Enum => AdtKind::Enum,
182        }
183    }
184}
185
186impl<'tcx> Stable<'tcx> for ty::FieldDef {
187    type T = crate::ty::FieldDef;
188
189    fn stable<'cx>(
190        &self,
191        tables: &mut Tables<'cx, BridgeTys>,
192        cx: &CompilerCtxt<'cx, BridgeTys>,
193    ) -> Self::T {
194        crate::ty::FieldDef {
195            def: tables.create_def_id(self.did),
196            name: self.name.stable(tables, cx),
197        }
198    }
199}
200
201impl<'tcx> Stable<'tcx> for ty::GenericArgs<'tcx> {
202    type T = crate::ty::GenericArgs;
203    fn stable<'cx>(
204        &self,
205        tables: &mut Tables<'cx, BridgeTys>,
206        cx: &CompilerCtxt<'cx, BridgeTys>,
207    ) -> Self::T {
208        GenericArgs(self.iter().map(|arg| arg.kind().stable(tables, cx)).collect())
209    }
210}
211
212impl<'tcx> Stable<'tcx> for ty::GenericArgKind<'tcx> {
213    type T = crate::ty::GenericArgKind;
214
215    fn stable<'cx>(
216        &self,
217        tables: &mut Tables<'cx, BridgeTys>,
218        cx: &CompilerCtxt<'cx, BridgeTys>,
219    ) -> Self::T {
220        use crate::ty::GenericArgKind;
221        match self {
222            ty::GenericArgKind::Lifetime(region) => {
223                GenericArgKind::Lifetime(region.stable(tables, cx))
224            }
225            ty::GenericArgKind::Type(ty) => GenericArgKind::Type(ty.stable(tables, cx)),
226            ty::GenericArgKind::Const(cnst) => GenericArgKind::Const(cnst.stable(tables, cx)),
227        }
228    }
229}
230
231impl<'tcx, S, V> Stable<'tcx> for ty::Binder<'tcx, S>
232where
233    S: Stable<'tcx, T = V>,
234{
235    type T = crate::ty::Binder<V>;
236
237    fn stable<'cx>(
238        &self,
239        tables: &mut Tables<'cx, BridgeTys>,
240        cx: &CompilerCtxt<'cx, BridgeTys>,
241    ) -> Self::T {
242        use crate::ty::Binder;
243
244        Binder {
245            value: self.as_ref().skip_binder().stable(tables, cx),
246            bound_vars: self
247                .bound_vars()
248                .iter()
249                .map(|bound_var| bound_var.stable(tables, cx))
250                .collect(),
251        }
252    }
253}
254
255impl<'tcx, S, V> Stable<'tcx> for ty::EarlyBinder<'tcx, S>
256where
257    S: Stable<'tcx, T = V>,
258{
259    type T = crate::ty::EarlyBinder<V>;
260
261    fn stable<'cx>(
262        &self,
263        tables: &mut Tables<'cx, BridgeTys>,
264        cx: &CompilerCtxt<'cx, BridgeTys>,
265    ) -> Self::T {
266        use crate::ty::EarlyBinder;
267
268        EarlyBinder { value: self.as_ref().skip_binder().stable(tables, cx) }
269    }
270}
271
272// This internal type isn't publicly exposed, because it is an implementation detail.
273// But it's a public field of FnSig (which has a public mirror type), so allow conversions.
274impl<'tcx> Stable<'tcx> for ty::FnSigKind<'tcx> {
275    type T = (bool /*c_variadic*/, crate::mir::Safety, crate::ty::Abi);
276    fn stable<'cx>(
277        &self,
278        tables: &mut Tables<'cx, BridgeTys>,
279        cx: &CompilerCtxt<'cx, BridgeTys>,
280    ) -> Self::T {
281        (
282            self.c_variadic(),
283            if self.is_safe() { crate::mir::Safety::Safe } else { crate::mir::Safety::Unsafe },
284            self.abi().stable(tables, cx),
285        )
286    }
287}
288
289impl<'tcx> Stable<'tcx> for ty::FnSig<'tcx> {
290    type T = crate::ty::FnSig;
291    fn stable<'cx>(
292        &self,
293        tables: &mut Tables<'cx, BridgeTys>,
294        cx: &CompilerCtxt<'cx, BridgeTys>,
295    ) -> Self::T {
296        use crate::ty::FnSig;
297        let (c_variadic, safety, abi) = self.fn_sig_kind.stable(tables, cx);
298
299        FnSig {
300            inputs_and_output: self
301                .inputs_and_output
302                .iter()
303                .map(|ty| ty.stable(tables, cx))
304                .collect(),
305            c_variadic,
306            safety,
307            abi,
308        }
309    }
310}
311
312impl<'tcx> Stable<'tcx> for ty::BoundTyKind<'tcx> {
313    type T = crate::ty::BoundTyKind;
314
315    fn stable<'cx>(
316        &self,
317        tables: &mut Tables<'cx, BridgeTys>,
318        cx: &CompilerCtxt<'cx, BridgeTys>,
319    ) -> Self::T {
320        use crate::ty::BoundTyKind;
321
322        match self {
323            ty::BoundTyKind::Anon => BoundTyKind::Anon,
324            ty::BoundTyKind::Param(def_id) => {
325                BoundTyKind::Param(tables.param_def(*def_id), cx.tcx.item_name(*def_id).to_string())
326            }
327        }
328    }
329}
330
331impl<'tcx> Stable<'tcx> for ty::BoundRegionKind<'tcx> {
332    type T = crate::ty::BoundRegionKind;
333
334    fn stable<'cx>(
335        &self,
336        tables: &mut Tables<'cx, BridgeTys>,
337        cx: &CompilerCtxt<'cx, BridgeTys>,
338    ) -> Self::T {
339        use crate::ty::BoundRegionKind;
340
341        match self {
342            ty::BoundRegionKind::Anon => BoundRegionKind::BrAnon,
343            ty::BoundRegionKind::Named(def_id) => BoundRegionKind::BrNamed(
344                tables.br_named_def(*def_id),
345                cx.tcx.item_name(*def_id).to_string(),
346            ),
347            ty::BoundRegionKind::ClosureEnv => BoundRegionKind::BrEnv,
348            ty::BoundRegionKind::NamedForPrinting(_) => bug_impl(None, format_args!("only used for pretty printing"),
    Location::caller())bug!("only used for pretty printing"),
349        }
350    }
351}
352
353impl<'tcx> Stable<'tcx> for ty::BoundVariableKind<'tcx> {
354    type T = crate::ty::BoundVariableKind;
355
356    fn stable<'cx>(
357        &self,
358        tables: &mut Tables<'cx, BridgeTys>,
359        cx: &CompilerCtxt<'cx, BridgeTys>,
360    ) -> Self::T {
361        use crate::ty::BoundVariableKind;
362
363        match self {
364            ty::BoundVariableKind::Ty(bound_ty_kind) => {
365                BoundVariableKind::Ty(bound_ty_kind.stable(tables, cx))
366            }
367            ty::BoundVariableKind::Region(bound_region_kind) => {
368                BoundVariableKind::Region(bound_region_kind.stable(tables, cx))
369            }
370            ty::BoundVariableKind::Const => BoundVariableKind::Const,
371        }
372    }
373}
374
375impl<'tcx> Stable<'tcx> for ty::IntTy {
376    type T = IntTy;
377
378    fn stable(&self, _: &mut Tables<'_, BridgeTys>, _: &CompilerCtxt<'_, BridgeTys>) -> Self::T {
379        match self {
380            ty::IntTy::Isize => IntTy::Isize,
381            ty::IntTy::I8 => IntTy::I8,
382            ty::IntTy::I16 => IntTy::I16,
383            ty::IntTy::I32 => IntTy::I32,
384            ty::IntTy::I64 => IntTy::I64,
385            ty::IntTy::I128 => IntTy::I128,
386        }
387    }
388}
389
390impl<'tcx> Stable<'tcx> for ty::UintTy {
391    type T = UintTy;
392
393    fn stable(&self, _: &mut Tables<'_, BridgeTys>, _: &CompilerCtxt<'_, BridgeTys>) -> Self::T {
394        match self {
395            ty::UintTy::Usize => UintTy::Usize,
396            ty::UintTy::U8 => UintTy::U8,
397            ty::UintTy::U16 => UintTy::U16,
398            ty::UintTy::U32 => UintTy::U32,
399            ty::UintTy::U64 => UintTy::U64,
400            ty::UintTy::U128 => UintTy::U128,
401        }
402    }
403}
404
405impl<'tcx> Stable<'tcx> for ty::FloatTy {
406    type T = FloatTy;
407
408    fn stable(&self, _: &mut Tables<'_, BridgeTys>, _: &CompilerCtxt<'_, BridgeTys>) -> Self::T {
409        match self {
410            ty::FloatTy::F16 => FloatTy::F16,
411            ty::FloatTy::F32 => FloatTy::F32,
412            ty::FloatTy::F64 => FloatTy::F64,
413            ty::FloatTy::F128 => FloatTy::F128,
414        }
415    }
416}
417
418impl<'tcx> Stable<'tcx> for Ty<'tcx> {
419    type T = crate::ty::Ty;
420    fn stable<'cx>(
421        &self,
422        tables: &mut Tables<'cx, BridgeTys>,
423        cx: &CompilerCtxt<'cx, BridgeTys>,
424    ) -> Self::T {
425        tables.intern_ty(cx.lift(*self))
426    }
427}
428
429impl<'tcx> Stable<'tcx> for ty::TyKind<'tcx> {
430    type T = crate::ty::TyKind;
431    fn stable<'cx>(
432        &self,
433        tables: &mut Tables<'cx, BridgeTys>,
434        cx: &CompilerCtxt<'cx, BridgeTys>,
435    ) -> Self::T {
436        match self {
437            ty::Bool => TyKind::RigidTy(RigidTy::Bool),
438            ty::Char => TyKind::RigidTy(RigidTy::Char),
439            ty::Int(int_ty) => TyKind::RigidTy(RigidTy::Int(int_ty.stable(tables, cx))),
440            ty::Uint(uint_ty) => TyKind::RigidTy(RigidTy::Uint(uint_ty.stable(tables, cx))),
441            ty::Float(float_ty) => TyKind::RigidTy(RigidTy::Float(float_ty.stable(tables, cx))),
442            ty::Adt(adt_def, generic_args) => TyKind::RigidTy(RigidTy::Adt(
443                tables.adt_def(adt_def.did()),
444                generic_args.stable(tables, cx),
445            )),
446            ty::Foreign(def_id) => TyKind::RigidTy(RigidTy::Foreign(tables.foreign_def(*def_id))),
447            ty::Str => TyKind::RigidTy(RigidTy::Str),
448            ty::Array(ty, constant) => {
449                TyKind::RigidTy(RigidTy::Array(ty.stable(tables, cx), constant.stable(tables, cx)))
450            }
451            ty::Pat(ty, pat) => {
452                TyKind::RigidTy(RigidTy::Pat(ty.stable(tables, cx), pat.stable(tables, cx)))
453            }
454            ty::Slice(ty) => TyKind::RigidTy(RigidTy::Slice(ty.stable(tables, cx))),
455            ty::RawPtr(ty, mutbl) => {
456                TyKind::RigidTy(RigidTy::RawPtr(ty.stable(tables, cx), mutbl.stable(tables, cx)))
457            }
458            ty::Ref(region, ty, mutbl) => TyKind::RigidTy(RigidTy::Ref(
459                region.stable(tables, cx),
460                ty.stable(tables, cx),
461                mutbl.stable(tables, cx),
462            )),
463            ty::FnDef(def_id, generic_args) => TyKind::RigidTy(RigidTy::FnDef(
464                tables.fn_def(*def_id),
465                generic_args.no_bound_vars().unwrap().stable(tables, cx),
466            )),
467            ty::FnPtr(sig_tys, hdr) => {
468                TyKind::RigidTy(RigidTy::FnPtr(sig_tys.with(*hdr).stable(tables, cx)))
469            }
470            // FIXME(unsafe_binders):
471            ty::UnsafeBinder(_) => ::core::panicking::panic("not implemented")unimplemented!(),
472            ty::Dynamic(existential_predicates, region) => TyKind::RigidTy(RigidTy::Dynamic(
473                existential_predicates
474                    .iter()
475                    .map(|existential_predicate| existential_predicate.stable(tables, cx))
476                    .collect(),
477                region.stable(tables, cx),
478            )),
479            ty::Closure(def_id, generic_args) => TyKind::RigidTy(RigidTy::Closure(
480                tables.closure_def(*def_id),
481                generic_args.stable(tables, cx),
482            )),
483            ty::CoroutineClosure(..) => {
484                {
    ::core::panicking::panic_fmt(format_args!("not implemented: {0}",
            format_args!("FIXME(async_closures): Lower these to SMIR")));
}unimplemented!("FIXME(async_closures): Lower these to SMIR")
485            }
486            ty::Coroutine(def_id, generic_args) => TyKind::RigidTy(RigidTy::Coroutine(
487                tables.coroutine_def(*def_id),
488                generic_args.stable(tables, cx),
489            )),
490            ty::Never => TyKind::RigidTy(RigidTy::Never),
491            ty::Tuple(fields) => TyKind::RigidTy(RigidTy::Tuple(
492                fields.iter().map(|ty| ty.stable(tables, cx)).collect(),
493            )),
494            ty::Alias(_, alias_ty) => {
495                TyKind::Alias(alias_ty.kind.stable(tables, cx), alias_ty.stable(tables, cx))
496            }
497            ty::Param(param_ty) => TyKind::Param(param_ty.stable(tables, cx)),
498            ty::Bound(ty::BoundVarIndexKind::Canonical, _) => {
499                ::core::panicking::panic("internal error: entered unreachable code")unreachable!()
500            }
501            ty::Bound(ty::BoundVarIndexKind::Bound(debruijn_idx), bound_ty) => {
502                TyKind::Bound(debruijn_idx.as_usize(), bound_ty.stable(tables, cx))
503            }
504            ty::CoroutineWitness(def_id, args) => TyKind::RigidTy(RigidTy::CoroutineWitness(
505                tables.coroutine_witness_def(*def_id),
506                args.stable(tables, cx),
507            )),
508            ty::Placeholder(..) | ty::Infer(_) | ty::Error(_) => {
509                ::core::panicking::panic("internal error: entered unreachable code");unreachable!();
510            }
511        }
512    }
513}
514
515impl<'tcx> Stable<'tcx> for ty::Pattern<'tcx> {
516    type T = crate::ty::Pattern;
517
518    fn stable<'cx>(
519        &self,
520        tables: &mut Tables<'cx, BridgeTys>,
521        cx: &CompilerCtxt<'cx, BridgeTys>,
522    ) -> Self::T {
523        match **self {
524            ty::PatternKind::Range { start, end } => crate::ty::Pattern::Range {
525                start: start.stable(tables, cx),
526                end: end.stable(tables, cx),
527                include_end: true,
528            },
529            ty::PatternKind::NotNull => crate::ty::Pattern::NotNull,
530            ty::PatternKind::Or(pats) => {
531                crate::ty::Pattern::Or(pats.iter().map(|pat| pat.stable(tables, cx)).collect())
532            }
533        }
534    }
535}
536
537impl<'tcx> Stable<'tcx> for ty::Const<'tcx> {
538    type T = crate::ty::TyConst;
539
540    fn stable<'cx>(
541        &self,
542        tables: &mut Tables<'cx, BridgeTys>,
543        cx: &CompilerCtxt<'cx, BridgeTys>,
544    ) -> Self::T {
545        let ct = cx.lift(*self);
546        let kind = match ct.kind() {
547            ty::ConstKind::Value(cv) => {
548                let const_val = cx.valtree_to_const_val(cv);
549                if #[allow(non_exhaustive_omitted_patterns)] match const_val {
    mir::ConstValue::ZeroSized => true,
    _ => false,
}matches!(const_val, mir::ConstValue::ZeroSized) {
550                    crate::ty::TyConstKind::ZSTValue(cv.ty.stable(tables, cx))
551                } else {
552                    crate::ty::TyConstKind::Value(
553                        cv.ty.stable(tables, cx),
554                        alloc::new_allocation(cv.ty, const_val, tables, cx),
555                    )
556                }
557            }
558            ty::ConstKind::Param(param) => crate::ty::TyConstKind::Param(param.stable(tables, cx)),
559            ty::ConstKind::Alias(_, alias_const) => {
560                let Some(def_id) = alias_const.kind.opt_def_id() else {
561                    // FIXME: implement (both AliasTy and AliasConst will be needing this soon)
562                    {
    ::core::panicking::panic_fmt(format_args!("non-defid alias consts are not supported by rustc_public at the moment"));
}panic!("non-defid alias consts are not supported by rustc_public at the moment")
563                };
564                crate::ty::TyConstKind::Unevaluated(
565                    tables.const_def(def_id),
566                    alias_const.args.stable(tables, cx),
567                )
568            }
569            ty::ConstKind::Error(_) => ::core::panicking::panic("internal error: entered unreachable code")unreachable!(),
570            ty::ConstKind::Infer(_) => ::core::panicking::panic("internal error: entered unreachable code")unreachable!(),
571            ty::ConstKind::Bound(_, _) => ::core::panicking::panic("not implemented")unimplemented!(),
572            ty::ConstKind::Placeholder(_) => ::core::panicking::panic("not implemented")unimplemented!(),
573            ty::ConstKind::Expr(_) => ::core::panicking::panic("not implemented")unimplemented!(),
574        };
575        let id = tables.intern_ty_const(ct);
576        crate::ty::TyConst::new(kind, id)
577    }
578}
579
580impl<'tcx> Stable<'tcx> for ty::ParamConst {
581    type T = crate::ty::ParamConst;
582    fn stable(&self, _: &mut Tables<'_, BridgeTys>, _: &CompilerCtxt<'_, BridgeTys>) -> Self::T {
583        use crate::ty::ParamConst;
584        ParamConst { index: self.index, name: self.name.to_string() }
585    }
586}
587
588impl<'tcx> Stable<'tcx> for ty::ParamTy {
589    type T = crate::ty::ParamTy;
590    fn stable(&self, _: &mut Tables<'_, BridgeTys>, _: &CompilerCtxt<'_, BridgeTys>) -> Self::T {
591        use crate::ty::ParamTy;
592        ParamTy { index: self.index, name: self.name.to_string() }
593    }
594}
595
596impl<'tcx> Stable<'tcx> for ty::BoundTy<'tcx> {
597    type T = crate::ty::BoundTy;
598    fn stable<'cx>(
599        &self,
600        tables: &mut Tables<'cx, BridgeTys>,
601        cx: &CompilerCtxt<'cx, BridgeTys>,
602    ) -> Self::T {
603        use crate::ty::BoundTy;
604        BoundTy { var: self.var.as_usize(), kind: self.kind.stable(tables, cx) }
605    }
606}
607
608impl<'tcx> Stable<'tcx> for ty::trait_def::TraitSpecializationKind {
609    type T = crate::ty::TraitSpecializationKind;
610    fn stable(&self, _: &mut Tables<'_, BridgeTys>, _: &CompilerCtxt<'_, BridgeTys>) -> Self::T {
611        use crate::ty::TraitSpecializationKind;
612
613        match self {
614            ty::trait_def::TraitSpecializationKind::None => TraitSpecializationKind::None,
615            ty::trait_def::TraitSpecializationKind::Marker => TraitSpecializationKind::Marker,
616            ty::trait_def::TraitSpecializationKind::AlwaysApplicable => {
617                TraitSpecializationKind::AlwaysApplicable
618            }
619        }
620    }
621}
622
623impl<'tcx> Stable<'tcx> for ty::TraitDef {
624    type T = crate::ty::TraitDecl;
625    fn stable<'cx>(
626        &self,
627        tables: &mut Tables<'cx, BridgeTys>,
628        cx: &CompilerCtxt<'cx, BridgeTys>,
629    ) -> Self::T {
630        use crate::opaque;
631        use crate::ty::TraitDecl;
632
633        TraitDecl {
634            def_id: tables.trait_def(self.def_id),
635            safety: self.safety.stable(tables, cx),
636            paren_sugar: self.paren_sugar,
637            has_auto_impl: self.has_auto_impl,
638            is_marker: self.is_marker,
639            is_coinductive: self.is_coinductive,
640            skip_array_during_method_dispatch: self.skip_array_during_method_dispatch,
641            skip_boxed_slice_during_method_dispatch: self.skip_boxed_slice_during_method_dispatch,
642            specialization_kind: self.specialization_kind.stable(tables, cx),
643            must_implement_one_of: self
644                .must_implement_one_of
645                .as_ref()
646                .map(|idents| idents.iter().map(|ident| opaque(ident)).collect()),
647            force_dyn_incompatible: self.force_dyn_incompatible.stable(tables, cx),
648            deny_explicit_impl: self.deny_explicit_impl,
649        }
650    }
651}
652
653impl<'tcx> Stable<'tcx> for ty::TraitRef<'tcx> {
654    type T = crate::ty::TraitRef;
655    fn stable<'cx>(
656        &self,
657        tables: &mut Tables<'cx, BridgeTys>,
658        cx: &CompilerCtxt<'cx, BridgeTys>,
659    ) -> Self::T {
660        use crate::ty::TraitRef;
661
662        TraitRef::try_new(tables.trait_def(self.def_id), self.args.stable(tables, cx)).unwrap()
663    }
664}
665
666impl<'tcx> Stable<'tcx> for ty::Generics {
667    type T = crate::ty::Generics;
668
669    fn stable<'cx>(
670        &self,
671        tables: &mut Tables<'cx, BridgeTys>,
672        cx: &CompilerCtxt<'cx, BridgeTys>,
673    ) -> Self::T {
674        use crate::ty::Generics;
675
676        let params: Vec<_> = self.own_params.iter().map(|param| param.stable(tables, cx)).collect();
677        let param_def_id_to_index =
678            params.iter().map(|param| (param.def_id, param.index)).collect();
679
680        Generics {
681            parent: self.parent.map(|did| tables.generic_def(did)),
682            parent_count: self.parent_count,
683            params,
684            param_def_id_to_index,
685            has_self: self.has_self,
686            has_late_bound_regions: self
687                .has_late_bound_regions
688                .as_ref()
689                .map(|late_bound_regions| late_bound_regions.stable(tables, cx)),
690        }
691    }
692}
693
694impl<'tcx> Stable<'tcx> for rustc_middle::ty::GenericParamDefKind {
695    type T = crate::ty::GenericParamDefKind;
696
697    fn stable(&self, _: &mut Tables<'_, BridgeTys>, _: &CompilerCtxt<'_, BridgeTys>) -> Self::T {
698        use crate::ty::GenericParamDefKind;
699        match *self {
700            ty::GenericParamDefKind::Lifetime => GenericParamDefKind::Lifetime,
701            ty::GenericParamDefKind::Type { has_default, synthetic } => {
702                GenericParamDefKind::Type { has_default, synthetic }
703            }
704            ty::GenericParamDefKind::Const { has_default } => {
705                GenericParamDefKind::Const { has_default }
706            }
707        }
708    }
709}
710
711impl<'tcx> Stable<'tcx> for rustc_middle::ty::GenericParamDef {
712    type T = crate::ty::GenericParamDef;
713
714    fn stable<'cx>(
715        &self,
716        tables: &mut Tables<'cx, BridgeTys>,
717        cx: &CompilerCtxt<'cx, BridgeTys>,
718    ) -> Self::T {
719        GenericParamDef {
720            name: self.name.to_string(),
721            def_id: tables.generic_def(self.def_id),
722            index: self.index,
723            pure_wrt_drop: self.pure_wrt_drop,
724            kind: self.kind.stable(tables, cx),
725        }
726    }
727}
728
729impl<'tcx> Stable<'tcx> for ty::PredicateKind<'tcx> {
730    type T = crate::ty::PredicateKind;
731
732    fn stable<'cx>(
733        &self,
734        tables: &mut Tables<'cx, BridgeTys>,
735        cx: &CompilerCtxt<'cx, BridgeTys>,
736    ) -> Self::T {
737        use rustc_middle::ty::PredicateKind;
738        match self {
739            PredicateKind::Clause(clause_kind) => {
740                crate::ty::PredicateKind::Clause(clause_kind.stable(tables, cx))
741            }
742            PredicateKind::DynCompatible(did) => {
743                crate::ty::PredicateKind::DynCompatible(tables.trait_def(*did))
744            }
745            PredicateKind::Subtype(subtype_predicate) => {
746                crate::ty::PredicateKind::SubType(subtype_predicate.stable(tables, cx))
747            }
748            PredicateKind::Coerce(coerce_predicate) => {
749                crate::ty::PredicateKind::Coerce(coerce_predicate.stable(tables, cx))
750            }
751            PredicateKind::ConstEquate(a, b) => {
752                crate::ty::PredicateKind::ConstEquate(a.stable(tables, cx), b.stable(tables, cx))
753            }
754            PredicateKind::Ambiguous => crate::ty::PredicateKind::Ambiguous,
755            PredicateKind::NormalizesTo(_pred) => ::core::panicking::panic("not implemented")unimplemented!(),
756        }
757    }
758}
759
760impl<'tcx> Stable<'tcx> for ty::ClauseKind<'tcx> {
761    type T = crate::ty::ClauseKind;
762
763    fn stable<'cx>(
764        &self,
765        tables: &mut Tables<'cx, BridgeTys>,
766        cx: &CompilerCtxt<'cx, BridgeTys>,
767    ) -> Self::T {
768        use rustc_middle::ty::ClauseKind;
769        match *self {
770            ClauseKind::Trait(trait_object) => {
771                crate::ty::ClauseKind::Trait(trait_object.stable(tables, cx))
772            }
773            ClauseKind::RegionOutlives(region_outlives) => {
774                crate::ty::ClauseKind::RegionOutlives(region_outlives.stable(tables, cx))
775            }
776            ClauseKind::TypeOutlives(type_outlives) => {
777                let ty::OutlivesClause::<_, _>(a, b) = type_outlives;
778                crate::ty::ClauseKind::TypeOutlives(crate::ty::OutlivesClause(
779                    a.stable(tables, cx),
780                    b.stable(tables, cx),
781                ))
782            }
783            ClauseKind::Projection(projection_predicate) => {
784                crate::ty::ClauseKind::Projection(projection_predicate.stable(tables, cx))
785            }
786            ClauseKind::ConstArgHasType(const_, ty) => crate::ty::ClauseKind::ConstArgHasType(
787                const_.stable(tables, cx),
788                ty.stable(tables, cx),
789            ),
790            ClauseKind::WellFormed(term) => {
791                crate::ty::ClauseKind::WellFormed(term.kind().stable(tables, cx))
792            }
793            ClauseKind::ConstEvaluatable(const_) => {
794                crate::ty::ClauseKind::ConstEvaluatable(const_.stable(tables, cx))
795            }
796            ClauseKind::HostEffect(..) => {
797                ::core::panicking::panic("not implemented")unimplemented!()
798            }
799            ClauseKind::UnstableFeature(_) => {
800                ::core::panicking::panic("not implemented")unimplemented!()
801            }
802        }
803    }
804}
805
806impl<'tcx> Stable<'tcx> for ty::ClosureKind {
807    type T = crate::ty::ClosureKind;
808
809    fn stable(&self, _: &mut Tables<'_, BridgeTys>, _: &CompilerCtxt<'_, BridgeTys>) -> Self::T {
810        use rustc_middle::ty::ClosureKind::*;
811        match self {
812            Fn => crate::ty::ClosureKind::Fn,
813            FnMut => crate::ty::ClosureKind::FnMut,
814            FnOnce => crate::ty::ClosureKind::FnOnce,
815        }
816    }
817}
818
819impl<'tcx> Stable<'tcx> for ty::SubtypePredicate<'tcx> {
820    type T = crate::ty::SubtypePredicate;
821
822    fn stable<'cx>(
823        &self,
824        tables: &mut Tables<'cx, BridgeTys>,
825        cx: &CompilerCtxt<'cx, BridgeTys>,
826    ) -> Self::T {
827        let ty::SubtypePredicate { a, b, a_is_expected: _ } = self;
828        crate::ty::SubtypePredicate { a: a.stable(tables, cx), b: b.stable(tables, cx) }
829    }
830}
831
832impl<'tcx> Stable<'tcx> for ty::CoercePredicate<'tcx> {
833    type T = crate::ty::CoercePredicate;
834
835    fn stable<'cx>(
836        &self,
837        tables: &mut Tables<'cx, BridgeTys>,
838        cx: &CompilerCtxt<'cx, BridgeTys>,
839    ) -> Self::T {
840        let ty::CoercePredicate { a, b } = self;
841        crate::ty::CoercePredicate { a: a.stable(tables, cx), b: b.stable(tables, cx) }
842    }
843}
844
845impl<'tcx> Stable<'tcx> for ty::TraitClause<'tcx> {
846    type T = crate::ty::TraitClause;
847
848    fn stable<'cx>(
849        &self,
850        tables: &mut Tables<'cx, BridgeTys>,
851        cx: &CompilerCtxt<'cx, BridgeTys>,
852    ) -> Self::T {
853        let ty::TraitClause { trait_ref, polarity } = self;
854        crate::ty::TraitClause {
855            trait_ref: trait_ref.stable(tables, cx),
856            polarity: polarity.stable(tables, cx),
857        }
858    }
859}
860
861impl<'tcx, T> Stable<'tcx> for ty::OutlivesClause<'tcx, T>
862where
863    T: Stable<'tcx>,
864{
865    type T = crate::ty::OutlivesClause<T::T, Region>;
866
867    fn stable<'cx>(
868        &self,
869        tables: &mut Tables<'cx, BridgeTys>,
870        cx: &CompilerCtxt<'cx, BridgeTys>,
871    ) -> Self::T {
872        let ty::OutlivesClause(a, b) = self;
873        crate::ty::OutlivesClause(a.stable(tables, cx), b.stable(tables, cx))
874    }
875}
876
877impl<'tcx> Stable<'tcx> for ty::ProjectionClause<'tcx> {
878    type T = crate::ty::ProjectionClause;
879
880    fn stable<'cx>(
881        &self,
882        tables: &mut Tables<'cx, BridgeTys>,
883        cx: &CompilerCtxt<'cx, BridgeTys>,
884    ) -> Self::T {
885        let ty::ProjectionClause { projection_term, term } = self;
886        crate::ty::ProjectionClause {
887            projection_term: projection_term.stable(tables, cx),
888            term: term.kind().stable(tables, cx),
889        }
890    }
891}
892
893impl<'tcx> Stable<'tcx> for ty::ImplPolarity {
894    type T = crate::ty::ImplPolarity;
895
896    fn stable(&self, _: &mut Tables<'_, BridgeTys>, _: &CompilerCtxt<'_, BridgeTys>) -> Self::T {
897        use rustc_middle::ty::ImplPolarity::*;
898        match self {
899            Positive => crate::ty::ImplPolarity::Positive,
900            Negative => crate::ty::ImplPolarity::Negative,
901        }
902    }
903}
904
905impl<'tcx> Stable<'tcx> for ty::ClausePolarity {
906    type T = crate::ty::ClausePolarity;
907
908    fn stable(&self, _: &mut Tables<'_, BridgeTys>, _: &CompilerCtxt<'_, BridgeTys>) -> Self::T {
909        use rustc_middle::ty::ClausePolarity::*;
910        match self {
911            Positive => crate::ty::ClausePolarity::Positive,
912            Negative => crate::ty::ClausePolarity::Negative,
913        }
914    }
915}
916
917impl<'tcx> Stable<'tcx> for ty::Region<'tcx> {
918    type T = crate::ty::Region;
919
920    fn stable<'cx>(
921        &self,
922        tables: &mut Tables<'cx, BridgeTys>,
923        cx: &CompilerCtxt<'cx, BridgeTys>,
924    ) -> Self::T {
925        Region { kind: self.kind().stable(tables, cx) }
926    }
927}
928
929impl<'tcx> Stable<'tcx> for ty::RegionKind<'tcx> {
930    type T = crate::ty::RegionKind;
931
932    fn stable<'cx>(
933        &self,
934        tables: &mut Tables<'cx, BridgeTys>,
935        cx: &CompilerCtxt<'cx, BridgeTys>,
936    ) -> Self::T {
937        use crate::ty::{BoundRegion, EarlyParamRegion, RegionKind};
938        match self {
939            ty::ReEarlyParam(early_reg) => RegionKind::ReEarlyParam(EarlyParamRegion {
940                index: early_reg.index,
941                name: early_reg.name.to_string(),
942            }),
943            ty::ReBound(ty::BoundVarIndexKind::Bound(db_index), bound_reg) => RegionKind::ReBound(
944                db_index.as_u32(),
945                BoundRegion {
946                    var: bound_reg.var.as_u32(),
947                    kind: bound_reg.kind.stable(tables, cx),
948                },
949            ),
950            ty::ReStatic => RegionKind::ReStatic,
951            ty::RePlaceholder(place_holder) => RegionKind::RePlaceholder(crate::ty::Placeholder {
952                universe: place_holder.universe.as_u32(),
953                bound: BoundRegion {
954                    var: place_holder.bound.var.as_u32(),
955                    kind: place_holder.bound.kind.stable(tables, cx),
956                },
957            }),
958            ty::ReErased => RegionKind::ReErased,
959            _ => {
    ::core::panicking::panic_fmt(format_args!("internal error: entered unreachable code: {0}",
            format_args!("{0:?}", self)));
}unreachable!("{self:?}"),
960        }
961    }
962}
963
964impl<'tcx> Stable<'tcx> for ty::Instance<'tcx> {
965    type T = crate::mir::mono::Instance;
966
967    fn stable<'cx>(
968        &self,
969        tables: &mut Tables<'cx, BridgeTys>,
970        cx: &CompilerCtxt<'cx, BridgeTys>,
971    ) -> Self::T {
972        let def = tables.instance_def(cx.lift(*self));
973        let kind = match self.def {
974            ty::InstanceKind::Item(..) => crate::mir::mono::InstanceKind::Item,
975            ty::InstanceKind::Intrinsic(..) => crate::mir::mono::InstanceKind::Intrinsic,
976            ty::InstanceKind::LlvmIntrinsic(..) => crate::mir::mono::InstanceKind::LlvmIntrinsic,
977            ty::InstanceKind::Virtual(_def_id, idx) => {
978                crate::mir::mono::InstanceKind::Virtual { idx }
979            }
980            ty::InstanceKind::Shim(..) => crate::mir::mono::InstanceKind::Shim,
981        };
982        crate::mir::mono::Instance { def, kind }
983    }
984}
985
986impl<'tcx> Stable<'tcx> for ty::Variance {
987    type T = crate::mir::Variance;
988    fn stable(&self, _: &mut Tables<'_, BridgeTys>, _: &CompilerCtxt<'_, BridgeTys>) -> Self::T {
989        match self {
990            ty::Bivariant => crate::mir::Variance::Bivariant,
991            ty::Contravariant => crate::mir::Variance::Contravariant,
992            ty::Covariant => crate::mir::Variance::Covariant,
993            ty::Invariant => crate::mir::Variance::Invariant,
994        }
995    }
996}
997
998impl<'tcx> Stable<'tcx> for ty::Movability {
999    type T = crate::ty::Movability;
1000
1001    fn stable(&self, _: &mut Tables<'_, BridgeTys>, _: &CompilerCtxt<'_, BridgeTys>) -> Self::T {
1002        match self {
1003            ty::Movability::Static => crate::ty::Movability::Static,
1004            ty::Movability::Movable => crate::ty::Movability::Movable,
1005        }
1006    }
1007}
1008
1009impl<'tcx> Stable<'tcx> for rustc_abi::ExternAbi {
1010    type T = crate::ty::Abi;
1011
1012    fn stable(&self, _: &mut Tables<'_, BridgeTys>, _: &CompilerCtxt<'_, BridgeTys>) -> Self::T {
1013        use rustc_abi::ExternAbi;
1014
1015        use crate::ty::Abi;
1016        match *self {
1017            ExternAbi::Rust => Abi::Rust,
1018            ExternAbi::C { unwind } => Abi::C { unwind },
1019            ExternAbi::Cdecl { unwind } => Abi::Cdecl { unwind },
1020            ExternAbi::Stdcall { unwind } => Abi::Stdcall { unwind },
1021            ExternAbi::Fastcall { unwind } => Abi::Fastcall { unwind },
1022            ExternAbi::Vectorcall { unwind } => Abi::Vectorcall { unwind },
1023            ExternAbi::Thiscall { unwind } => Abi::Thiscall { unwind },
1024            ExternAbi::Aapcs { unwind } => Abi::Aapcs { unwind },
1025            ExternAbi::Win64 { unwind } => Abi::Win64 { unwind },
1026            ExternAbi::SysV64 { unwind } => Abi::SysV64 { unwind },
1027            ExternAbi::PtxKernel => Abi::PtxKernel,
1028            ExternAbi::GpuKernel => Abi::GpuKernel,
1029            ExternAbi::Msp430Interrupt => Abi::Msp430Interrupt,
1030            ExternAbi::X86Interrupt => Abi::X86Interrupt,
1031            ExternAbi::EfiApi => Abi::EfiApi,
1032            ExternAbi::AvrInterrupt => Abi::AvrInterrupt,
1033            ExternAbi::AvrNonBlockingInterrupt => Abi::AvrNonBlockingInterrupt,
1034            ExternAbi::CmseNonSecureCall => Abi::CCmseNonSecureCall,
1035            ExternAbi::CmseNonSecureEntry => Abi::CCmseNonSecureEntry,
1036            ExternAbi::System { unwind } => Abi::System { unwind },
1037            ExternAbi::RustCall => Abi::RustCall,
1038            ExternAbi::LlvmIntrinsic => Abi::LlvmIntrinsic,
1039            ExternAbi::RustCold => Abi::RustCold,
1040            ExternAbi::RustPreserveNone => Abi::RustPreserveNone,
1041            ExternAbi::RustTail => Abi::RustTail,
1042            ExternAbi::RustInvalid => Abi::RustInvalid,
1043            ExternAbi::RiscvInterruptM => Abi::RiscvInterruptM,
1044            ExternAbi::RiscvInterruptS => Abi::RiscvInterruptS,
1045            ExternAbi::Custom => Abi::Custom,
1046            ExternAbi::Swift => Abi::Swift,
1047        }
1048    }
1049}
1050
1051impl<'tcx> Stable<'tcx> for rustc_crate_store::ForeignModule {
1052    type T = crate::ty::ForeignModule;
1053
1054    fn stable<'cx>(
1055        &self,
1056        tables: &mut Tables<'cx, BridgeTys>,
1057        cx: &CompilerCtxt<'cx, BridgeTys>,
1058    ) -> Self::T {
1059        crate::ty::ForeignModule {
1060            def_id: tables.foreign_module_def(self.def_id),
1061            abi: self.abi.stable(tables, cx),
1062        }
1063    }
1064}
1065
1066impl<'tcx> Stable<'tcx> for ty::AssocKind {
1067    type T = crate::ty::AssocKind;
1068
1069    fn stable<'cx>(
1070        &self,
1071        tables: &mut Tables<'cx, BridgeTys>,
1072        cx: &CompilerCtxt<'cx, BridgeTys>,
1073    ) -> Self::T {
1074        use crate::ty::{AssocKind, AssocTypeData};
1075        match *self {
1076            ty::AssocKind::Const { name, .. } => AssocKind::Const { name: name.to_string() },
1077            ty::AssocKind::Fn { name, has_self } => {
1078                AssocKind::Fn { name: name.to_string(), has_self }
1079            }
1080            ty::AssocKind::Type { data } => AssocKind::Type {
1081                data: match data {
1082                    ty::AssocTypeData::Normal(name) => AssocTypeData::Normal(name.to_string()),
1083                    ty::AssocTypeData::Rpitit(rpitit) => {
1084                        AssocTypeData::Rpitit(rpitit.stable(tables, cx))
1085                    }
1086                },
1087            },
1088        }
1089    }
1090}
1091
1092impl<'tcx> Stable<'tcx> for ty::AssocContainer {
1093    type T = crate::ty::AssocContainer;
1094
1095    fn stable(
1096        &self,
1097        tables: &mut Tables<'_, BridgeTys>,
1098        _: &CompilerCtxt<'_, BridgeTys>,
1099    ) -> Self::T {
1100        use crate::ty::AssocContainer;
1101        match self {
1102            ty::AssocContainer::Trait => AssocContainer::Trait,
1103            ty::AssocContainer::InherentImpl => AssocContainer::InherentImpl,
1104            ty::AssocContainer::TraitImpl(trait_item_id) => {
1105                AssocContainer::TraitImpl(tables.assoc_def(trait_item_id.unwrap()))
1106            }
1107        }
1108    }
1109}
1110
1111impl<'tcx> Stable<'tcx> for ty::AssocItem {
1112    type T = crate::ty::AssocItem;
1113
1114    fn stable<'cx>(
1115        &self,
1116        tables: &mut Tables<'cx, BridgeTys>,
1117        cx: &CompilerCtxt<'cx, BridgeTys>,
1118    ) -> Self::T {
1119        crate::ty::AssocItem {
1120            def_id: tables.assoc_def(self.def_id),
1121            kind: self.kind.stable(tables, cx),
1122            container: self.container.stable(tables, cx),
1123        }
1124    }
1125}
1126
1127impl<'tcx> Stable<'tcx> for ty::ImplTraitInTraitData {
1128    type T = crate::ty::ImplTraitInTraitData;
1129
1130    fn stable<'cx>(
1131        &self,
1132        tables: &mut Tables<'cx, BridgeTys>,
1133        _: &CompilerCtxt<'cx, BridgeTys>,
1134    ) -> Self::T {
1135        use crate::ty::ImplTraitInTraitData;
1136        match self {
1137            ty::ImplTraitInTraitData::Trait { fn_def_id, opaque_def_id } => {
1138                ImplTraitInTraitData::Trait {
1139                    fn_def_id: tables.fn_def(*fn_def_id),
1140                    opaque_def_id: tables.opaque_def(*opaque_def_id),
1141                }
1142            }
1143            ty::ImplTraitInTraitData::Impl { fn_def_id } => {
1144                ImplTraitInTraitData::Impl { fn_def_id: tables.fn_def(*fn_def_id) }
1145            }
1146        }
1147    }
1148}
1149
1150impl<'tcx> Stable<'tcx> for rustc_middle::ty::util::Discr<'tcx> {
1151    type T = crate::ty::Discr;
1152
1153    fn stable<'cx>(
1154        &self,
1155        tables: &mut Tables<'cx, BridgeTys>,
1156        cx: &CompilerCtxt<'cx, BridgeTys>,
1157    ) -> Self::T {
1158        crate::ty::Discr { val: self.val, ty: self.ty.stable(tables, cx) }
1159    }
1160}
1161
1162impl<'tcx> Stable<'tcx> for rustc_middle::ty::VtblEntry<'tcx> {
1163    type T = crate::ty::VtblEntry;
1164
1165    fn stable<'cx>(
1166        &self,
1167        tables: &mut Tables<'cx, BridgeTys>,
1168        cx: &CompilerCtxt<'cx, BridgeTys>,
1169    ) -> Self::T {
1170        use crate::ty::VtblEntry;
1171        match self {
1172            ty::VtblEntry::MetadataDropInPlace => VtblEntry::MetadataDropInPlace,
1173            ty::VtblEntry::MetadataSize => VtblEntry::MetadataSize,
1174            ty::VtblEntry::MetadataAlign => VtblEntry::MetadataAlign,
1175            ty::VtblEntry::Vacant => VtblEntry::Vacant,
1176            ty::VtblEntry::Method(instance) => VtblEntry::Method(instance.stable(tables, cx)),
1177            ty::VtblEntry::TraitVPtr(trait_ref) => {
1178                VtblEntry::TraitVPtr(trait_ref.stable(tables, cx))
1179            }
1180        }
1181    }
1182}
rustc_public/unstable/convert/stable/ty.rs

rustc_public/unstable/convert/stable/
ty.rs
