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::{bug, mir, ty};
5use rustc_public_bridge::Tables;
6use rustc_public_bridge::context::CompilerCtxt;
7
8use crate::alloc;
9use crate::compiler_interface::BridgeTys;
10use crate::ty::{
11    AdtKind, FloatTy, GenericArgs, GenericParamDef, IntTy, Region, RigidTy, TyKind, UintTy,
12};
13use crate::unstable::Stable;
14
15impl<'tcx> Stable<'tcx> for ty::AliasTyKind<'tcx> {
16    type T = crate::ty::AliasKind;
17    fn stable(&self, _: &mut Tables<'_, BridgeTys>, _: &CompilerCtxt<'_, BridgeTys>) -> Self::T {
18        match self {
19            ty::Projection { .. } => crate::ty::AliasKind::Projection,
20            ty::Inherent { .. } => crate::ty::AliasKind::Inherent,
21            ty::Opaque { .. } => crate::ty::AliasKind::Opaque,
22            ty::Free { .. } => crate::ty::AliasKind::Free,
23        }
24    }
25}
26
27impl<'tcx> Stable<'tcx> for ty::AliasTy<'tcx> {
28    type T = crate::ty::AliasTy;
29    fn stable<'cx>(
30        &self,
31        tables: &mut Tables<'cx, BridgeTys>,
32        cx: &CompilerCtxt<'cx, BridgeTys>,
33    ) -> Self::T {
34        let ty::AliasTy { args, kind, .. } = self;
35        crate::ty::AliasTy {
36            def_id: tables.alias_def(kind.def_id()),
37            args: args.stable(tables, cx),
38        }
39    }
40}
41
42impl<'tcx> Stable<'tcx> for ty::AliasTerm<'tcx> {
43    type T = crate::ty::AliasTerm;
44    fn stable<'cx>(
45        &self,
46        tables: &mut Tables<'cx, BridgeTys>,
47        cx: &CompilerCtxt<'cx, BridgeTys>,
48    ) -> Self::T {
49        let ty::AliasTerm { args, kind, .. } = self;
50        crate::ty::AliasTerm {
51            def_id: tables.alias_def(kind.def_id()),
52            args: args.stable(tables, cx),
53        }
54    }
55}
56
57impl<'tcx> Stable<'tcx> for ty::ExistentialPredicate<'tcx> {
58    type T = crate::ty::ExistentialPredicate;
59
60    fn stable<'cx>(
61        &self,
62        tables: &mut Tables<'cx, BridgeTys>,
63        cx: &CompilerCtxt<'cx, BridgeTys>,
64    ) -> Self::T {
65        use crate::ty::ExistentialPredicate::*;
66        match self {
67            ty::ExistentialPredicate::Trait(existential_trait_ref) => {
68                Trait(existential_trait_ref.stable(tables, cx))
69            }
70            ty::ExistentialPredicate::Projection(existential_projection) => {
71                Projection(existential_projection.stable(tables, cx))
72            }
73            ty::ExistentialPredicate::AutoTrait(def_id) => AutoTrait(tables.trait_def(*def_id)),
74        }
75    }
76}
77
78impl<'tcx> Stable<'tcx> for ty::ExistentialTraitRef<'tcx> {
79    type T = crate::ty::ExistentialTraitRef;
80
81    fn stable<'cx>(
82        &self,
83        tables: &mut Tables<'cx, BridgeTys>,
84        cx: &CompilerCtxt<'cx, BridgeTys>,
85    ) -> Self::T {
86        let ty::ExistentialTraitRef { def_id, args, .. } = self;
87        crate::ty::ExistentialTraitRef {
88            def_id: tables.trait_def(*def_id),
89            generic_args: args.stable(tables, cx),
90        }
91    }
92}
93
94impl<'tcx> Stable<'tcx> for ty::TermKind<'tcx> {
95    type T = crate::ty::TermKind;
96
97    fn stable<'cx>(
98        &self,
99        tables: &mut Tables<'cx, BridgeTys>,
100        cx: &CompilerCtxt<'cx, BridgeTys>,
101    ) -> Self::T {
102        use crate::ty::TermKind;
103        match self {
104            ty::TermKind::Ty(ty) => TermKind::Type(ty.stable(tables, cx)),
105            ty::TermKind::Const(cnst) => {
106                let cnst = cnst.stable(tables, cx);
107                TermKind::Const(cnst)
108            }
109        }
110    }
111}
112
113impl<'tcx> Stable<'tcx> for ty::ExistentialProjection<'tcx> {
114    type T = crate::ty::ExistentialProjection;
115
116    fn stable<'cx>(
117        &self,
118        tables: &mut Tables<'cx, BridgeTys>,
119        cx: &CompilerCtxt<'cx, BridgeTys>,
120    ) -> Self::T {
121        let ty::ExistentialProjection { def_id, args, term, .. } = self;
122        crate::ty::ExistentialProjection {
123            def_id: tables.trait_def(*def_id),
124            generic_args: args.stable(tables, cx),
125            term: term.kind().stable(tables, cx),
126        }
127    }
128}
129
130impl<'tcx> Stable<'tcx> for ty::adjustment::PointerCoercion {
131    type T = crate::mir::PointerCoercion;
132    fn stable<'cx>(
133        &self,
134        tables: &mut Tables<'cx, BridgeTys>,
135        cx: &CompilerCtxt<'cx, BridgeTys>,
136    ) -> Self::T {
137        use rustc_middle::ty::adjustment::PointerCoercion;
138        match self {
139            PointerCoercion::ReifyFnPointer(safety) => {
140                crate::mir::PointerCoercion::ReifyFnPointer(safety.stable(tables, cx))
141            }
142            PointerCoercion::UnsafeFnPointer => crate::mir::PointerCoercion::UnsafeFnPointer,
143            PointerCoercion::ClosureFnPointer(safety) => {
144                crate::mir::PointerCoercion::ClosureFnPointer(safety.stable(tables, cx))
145            }
146            PointerCoercion::MutToConstPointer => crate::mir::PointerCoercion::MutToConstPointer,
147            PointerCoercion::ArrayToPointer => crate::mir::PointerCoercion::ArrayToPointer,
148            PointerCoercion::Unsize => crate::mir::PointerCoercion::Unsize,
149        }
150    }
151}
152
153impl<'tcx> Stable<'tcx> for ty::UserTypeAnnotationIndex {
154    type T = usize;
155    fn stable(&self, _: &mut Tables<'_, BridgeTys>, _: &CompilerCtxt<'_, BridgeTys>) -> Self::T {
156        self.as_usize()
157    }
158}
159
160impl<'tcx> Stable<'tcx> for ty::AdtKind {
161    type T = AdtKind;
162
163    fn stable(&self, _: &mut Tables<'_, BridgeTys>, _: &CompilerCtxt<'_, BridgeTys>) -> Self::T {
164        match self {
165            ty::AdtKind::Struct => AdtKind::Struct,
166            ty::AdtKind::Union => AdtKind::Union,
167            ty::AdtKind::Enum => AdtKind::Enum,
168        }
169    }
170}
171
172impl<'tcx> Stable<'tcx> for ty::FieldDef {
173    type T = crate::ty::FieldDef;
174
175    fn stable<'cx>(
176        &self,
177        tables: &mut Tables<'cx, BridgeTys>,
178        cx: &CompilerCtxt<'cx, BridgeTys>,
179    ) -> Self::T {
180        crate::ty::FieldDef {
181            def: tables.create_def_id(self.did),
182            name: self.name.stable(tables, cx),
183        }
184    }
185}
186
187impl<'tcx> Stable<'tcx> for ty::GenericArgs<'tcx> {
188    type T = crate::ty::GenericArgs;
189    fn stable<'cx>(
190        &self,
191        tables: &mut Tables<'cx, BridgeTys>,
192        cx: &CompilerCtxt<'cx, BridgeTys>,
193    ) -> Self::T {
194        GenericArgs(self.iter().map(|arg| arg.kind().stable(tables, cx)).collect())
195    }
196}
197
198impl<'tcx> Stable<'tcx> for ty::GenericArgKind<'tcx> {
199    type T = crate::ty::GenericArgKind;
200
201    fn stable<'cx>(
202        &self,
203        tables: &mut Tables<'cx, BridgeTys>,
204        cx: &CompilerCtxt<'cx, BridgeTys>,
205    ) -> Self::T {
206        use crate::ty::GenericArgKind;
207        match self {
208            ty::GenericArgKind::Lifetime(region) => {
209                GenericArgKind::Lifetime(region.stable(tables, cx))
210            }
211            ty::GenericArgKind::Type(ty) => GenericArgKind::Type(ty.stable(tables, cx)),
212            ty::GenericArgKind::Const(cnst) => GenericArgKind::Const(cnst.stable(tables, cx)),
213        }
214    }
215}
216
217impl<'tcx, S, V> Stable<'tcx> for ty::Binder<'tcx, S>
218where
219    S: Stable<'tcx, T = V>,
220{
221    type T = crate::ty::Binder<V>;
222
223    fn stable<'cx>(
224        &self,
225        tables: &mut Tables<'cx, BridgeTys>,
226        cx: &CompilerCtxt<'cx, BridgeTys>,
227    ) -> Self::T {
228        use crate::ty::Binder;
229
230        Binder {
231            value: self.as_ref().skip_binder().stable(tables, cx),
232            bound_vars: self
233                .bound_vars()
234                .iter()
235                .map(|bound_var| bound_var.stable(tables, cx))
236                .collect(),
237        }
238    }
239}
240
241impl<'tcx, S, V> Stable<'tcx> for ty::EarlyBinder<'tcx, S>
242where
243    S: Stable<'tcx, T = V>,
244{
245    type T = crate::ty::EarlyBinder<V>;
246
247    fn stable<'cx>(
248        &self,
249        tables: &mut Tables<'cx, BridgeTys>,
250        cx: &CompilerCtxt<'cx, BridgeTys>,
251    ) -> Self::T {
252        use crate::ty::EarlyBinder;
253
254        EarlyBinder { value: self.as_ref().skip_binder().stable(tables, cx) }
255    }
256}
257
258// This internal type isn't publicly exposed, because it is an implementation detail.
259// But it's a public field of FnSig (which has a public mirror type), so allow conversions.
260impl<'tcx> Stable<'tcx> for ty::FnSigKind<'tcx> {
261    type T = (bool /*c_variadic*/, crate::mir::Safety, crate::ty::Abi);
262    fn stable<'cx>(
263        &self,
264        tables: &mut Tables<'cx, BridgeTys>,
265        cx: &CompilerCtxt<'cx, BridgeTys>,
266    ) -> Self::T {
267        (
268            self.c_variadic(),
269            if self.is_safe() { crate::mir::Safety::Safe } else { crate::mir::Safety::Unsafe },
270            self.abi().stable(tables, cx),
271        )
272    }
273}
274
275impl<'tcx> Stable<'tcx> for ty::FnSig<'tcx> {
276    type T = crate::ty::FnSig;
277    fn stable<'cx>(
278        &self,
279        tables: &mut Tables<'cx, BridgeTys>,
280        cx: &CompilerCtxt<'cx, BridgeTys>,
281    ) -> Self::T {
282        use crate::ty::FnSig;
283        let (c_variadic, safety, abi) = self.fn_sig_kind.stable(tables, cx);
284
285        FnSig {
286            inputs_and_output: self
287                .inputs_and_output
288                .iter()
289                .map(|ty| ty.stable(tables, cx))
290                .collect(),
291            c_variadic,
292            safety,
293            abi,
294        }
295    }
296}
297
298impl<'tcx> Stable<'tcx> for ty::BoundTyKind<'tcx> {
299    type T = crate::ty::BoundTyKind;
300
301    fn stable<'cx>(
302        &self,
303        tables: &mut Tables<'cx, BridgeTys>,
304        cx: &CompilerCtxt<'cx, BridgeTys>,
305    ) -> Self::T {
306        use crate::ty::BoundTyKind;
307
308        match self {
309            ty::BoundTyKind::Anon => BoundTyKind::Anon,
310            ty::BoundTyKind::Param(def_id) => {
311                BoundTyKind::Param(tables.param_def(*def_id), cx.tcx.item_name(*def_id).to_string())
312            }
313        }
314    }
315}
316
317impl<'tcx> Stable<'tcx> for ty::BoundRegionKind<'tcx> {
318    type T = crate::ty::BoundRegionKind;
319
320    fn stable<'cx>(
321        &self,
322        tables: &mut Tables<'cx, BridgeTys>,
323        cx: &CompilerCtxt<'cx, BridgeTys>,
324    ) -> Self::T {
325        use crate::ty::BoundRegionKind;
326
327        match self {
328            ty::BoundRegionKind::Anon => BoundRegionKind::BrAnon,
329            ty::BoundRegionKind::Named(def_id) => BoundRegionKind::BrNamed(
330                tables.br_named_def(*def_id),
331                cx.tcx.item_name(*def_id).to_string(),
332            ),
333            ty::BoundRegionKind::ClosureEnv => BoundRegionKind::BrEnv,
334            ty::BoundRegionKind::NamedForPrinting(_) => ::rustc_middle::util::bug::bug_fmt(format_args!("only used for pretty printing"))bug!("only used for pretty printing"),
335        }
336    }
337}
338
339impl<'tcx> Stable<'tcx> for ty::BoundVariableKind<'tcx> {
340    type T = crate::ty::BoundVariableKind;
341
342    fn stable<'cx>(
343        &self,
344        tables: &mut Tables<'cx, BridgeTys>,
345        cx: &CompilerCtxt<'cx, BridgeTys>,
346    ) -> Self::T {
347        use crate::ty::BoundVariableKind;
348
349        match self {
350            ty::BoundVariableKind::Ty(bound_ty_kind) => {
351                BoundVariableKind::Ty(bound_ty_kind.stable(tables, cx))
352            }
353            ty::BoundVariableKind::Region(bound_region_kind) => {
354                BoundVariableKind::Region(bound_region_kind.stable(tables, cx))
355            }
356            ty::BoundVariableKind::Const => BoundVariableKind::Const,
357        }
358    }
359}
360
361impl<'tcx> Stable<'tcx> for ty::IntTy {
362    type T = IntTy;
363
364    fn stable(&self, _: &mut Tables<'_, BridgeTys>, _: &CompilerCtxt<'_, BridgeTys>) -> Self::T {
365        match self {
366            ty::IntTy::Isize => IntTy::Isize,
367            ty::IntTy::I8 => IntTy::I8,
368            ty::IntTy::I16 => IntTy::I16,
369            ty::IntTy::I32 => IntTy::I32,
370            ty::IntTy::I64 => IntTy::I64,
371            ty::IntTy::I128 => IntTy::I128,
372        }
373    }
374}
375
376impl<'tcx> Stable<'tcx> for ty::UintTy {
377    type T = UintTy;
378
379    fn stable(&self, _: &mut Tables<'_, BridgeTys>, _: &CompilerCtxt<'_, BridgeTys>) -> Self::T {
380        match self {
381            ty::UintTy::Usize => UintTy::Usize,
382            ty::UintTy::U8 => UintTy::U8,
383            ty::UintTy::U16 => UintTy::U16,
384            ty::UintTy::U32 => UintTy::U32,
385            ty::UintTy::U64 => UintTy::U64,
386            ty::UintTy::U128 => UintTy::U128,
387        }
388    }
389}
390
391impl<'tcx> Stable<'tcx> for ty::FloatTy {
392    type T = FloatTy;
393
394    fn stable(&self, _: &mut Tables<'_, BridgeTys>, _: &CompilerCtxt<'_, BridgeTys>) -> Self::T {
395        match self {
396            ty::FloatTy::F16 => FloatTy::F16,
397            ty::FloatTy::F32 => FloatTy::F32,
398            ty::FloatTy::F64 => FloatTy::F64,
399            ty::FloatTy::F128 => FloatTy::F128,
400        }
401    }
402}
403
404impl<'tcx> Stable<'tcx> for Ty<'tcx> {
405    type T = crate::ty::Ty;
406    fn stable<'cx>(
407        &self,
408        tables: &mut Tables<'cx, BridgeTys>,
409        cx: &CompilerCtxt<'cx, BridgeTys>,
410    ) -> Self::T {
411        tables.intern_ty(cx.lift(*self))
412    }
413}
414
415impl<'tcx> Stable<'tcx> for ty::TyKind<'tcx> {
416    type T = crate::ty::TyKind;
417    fn stable<'cx>(
418        &self,
419        tables: &mut Tables<'cx, BridgeTys>,
420        cx: &CompilerCtxt<'cx, BridgeTys>,
421    ) -> Self::T {
422        match self {
423            ty::Bool => TyKind::RigidTy(RigidTy::Bool),
424            ty::Char => TyKind::RigidTy(RigidTy::Char),
425            ty::Int(int_ty) => TyKind::RigidTy(RigidTy::Int(int_ty.stable(tables, cx))),
426            ty::Uint(uint_ty) => TyKind::RigidTy(RigidTy::Uint(uint_ty.stable(tables, cx))),
427            ty::Float(float_ty) => TyKind::RigidTy(RigidTy::Float(float_ty.stable(tables, cx))),
428            ty::Adt(adt_def, generic_args) => TyKind::RigidTy(RigidTy::Adt(
429                tables.adt_def(adt_def.did()),
430                generic_args.stable(tables, cx),
431            )),
432            ty::Foreign(def_id) => TyKind::RigidTy(RigidTy::Foreign(tables.foreign_def(*def_id))),
433            ty::Str => TyKind::RigidTy(RigidTy::Str),
434            ty::Array(ty, constant) => {
435                TyKind::RigidTy(RigidTy::Array(ty.stable(tables, cx), constant.stable(tables, cx)))
436            }
437            ty::Pat(ty, pat) => {
438                TyKind::RigidTy(RigidTy::Pat(ty.stable(tables, cx), pat.stable(tables, cx)))
439            }
440            ty::Slice(ty) => TyKind::RigidTy(RigidTy::Slice(ty.stable(tables, cx))),
441            ty::RawPtr(ty, mutbl) => {
442                TyKind::RigidTy(RigidTy::RawPtr(ty.stable(tables, cx), mutbl.stable(tables, cx)))
443            }
444            ty::Ref(region, ty, mutbl) => TyKind::RigidTy(RigidTy::Ref(
445                region.stable(tables, cx),
446                ty.stable(tables, cx),
447                mutbl.stable(tables, cx),
448            )),
449            ty::FnDef(def_id, generic_args) => TyKind::RigidTy(RigidTy::FnDef(
450                tables.fn_def(*def_id),
451                generic_args.stable(tables, cx),
452            )),
453            ty::FnPtr(sig_tys, hdr) => {
454                TyKind::RigidTy(RigidTy::FnPtr(sig_tys.with(*hdr).stable(tables, cx)))
455            }
456            // FIXME(unsafe_binders):
457            ty::UnsafeBinder(_) => ::core::panicking::panic("not yet implemented")todo!(),
458            ty::Dynamic(existential_predicates, region) => TyKind::RigidTy(RigidTy::Dynamic(
459                existential_predicates
460                    .iter()
461                    .map(|existential_predicate| existential_predicate.stable(tables, cx))
462                    .collect(),
463                region.stable(tables, cx),
464            )),
465            ty::Closure(def_id, generic_args) => TyKind::RigidTy(RigidTy::Closure(
466                tables.closure_def(*def_id),
467                generic_args.stable(tables, cx),
468            )),
469            ty::CoroutineClosure(..) => {
    ::core::panicking::panic_fmt(format_args!("not yet implemented: {0}",
            format_args!("FIXME(async_closures): Lower these to SMIR")));
}todo!("FIXME(async_closures): Lower these to SMIR"),
470            ty::Coroutine(def_id, generic_args) => TyKind::RigidTy(RigidTy::Coroutine(
471                tables.coroutine_def(*def_id),
472                generic_args.stable(tables, cx),
473            )),
474            ty::Never => TyKind::RigidTy(RigidTy::Never),
475            ty::Tuple(fields) => TyKind::RigidTy(RigidTy::Tuple(
476                fields.iter().map(|ty| ty.stable(tables, cx)).collect(),
477            )),
478            ty::Alias(_alias_ty) => {
479                ::core::panicking::panic("not yet implemented")todo!()
480            }
481            ty::Param(param_ty) => TyKind::Param(param_ty.stable(tables, cx)),
482            ty::Bound(ty::BoundVarIndexKind::Canonical, _) => {
483                ::core::panicking::panic("internal error: entered unreachable code")unreachable!()
484            }
485            ty::Bound(ty::BoundVarIndexKind::Bound(debruijn_idx), bound_ty) => {
486                TyKind::Bound(debruijn_idx.as_usize(), bound_ty.stable(tables, cx))
487            }
488            ty::CoroutineWitness(def_id, args) => TyKind::RigidTy(RigidTy::CoroutineWitness(
489                tables.coroutine_witness_def(*def_id),
490                args.stable(tables, cx),
491            )),
492            ty::Placeholder(..) | ty::Infer(_) | ty::Error(_) => {
493                ::core::panicking::panic("internal error: entered unreachable code");unreachable!();
494            }
495        }
496    }
497}
498
499impl<'tcx> Stable<'tcx> for ty::Pattern<'tcx> {
500    type T = crate::ty::Pattern;
501
502    fn stable<'cx>(
503        &self,
504        tables: &mut Tables<'cx, BridgeTys>,
505        cx: &CompilerCtxt<'cx, BridgeTys>,
506    ) -> Self::T {
507        match **self {
508            ty::PatternKind::Range { start, end } => crate::ty::Pattern::Range {
509                start: start.stable(tables, cx),
510                end: end.stable(tables, cx),
511                include_end: true,
512            },
513            ty::PatternKind::NotNull => crate::ty::Pattern::NotNull,
514            ty::PatternKind::Or(pats) => {
515                crate::ty::Pattern::Or(pats.iter().map(|pat| pat.stable(tables, cx)).collect())
516            }
517        }
518    }
519}
520
521impl<'tcx> Stable<'tcx> for ty::Const<'tcx> {
522    type T = crate::ty::TyConst;
523
524    fn stable<'cx>(
525        &self,
526        tables: &mut Tables<'cx, BridgeTys>,
527        cx: &CompilerCtxt<'cx, BridgeTys>,
528    ) -> Self::T {
529        let ct = cx.lift(*self);
530        let kind = match ct.kind() {
531            ty::ConstKind::Value(cv) => {
532                let const_val = cx.valtree_to_const_val(cv);
533                if #[allow(non_exhaustive_omitted_patterns)] match const_val {
    mir::ConstValue::ZeroSized => true,
    _ => false,
}matches!(const_val, mir::ConstValue::ZeroSized) {
534                    crate::ty::TyConstKind::ZSTValue(cv.ty.stable(tables, cx))
535                } else {
536                    crate::ty::TyConstKind::Value(
537                        cv.ty.stable(tables, cx),
538                        alloc::new_allocation(cv.ty, const_val, tables, cx),
539                    )
540                }
541            }
542            ty::ConstKind::Param(param) => crate::ty::TyConstKind::Param(param.stable(tables, cx)),
543            ty::ConstKind::Unevaluated(uv) => crate::ty::TyConstKind::Unevaluated(
544                tables.const_def(uv.def),
545                uv.args.stable(tables, cx),
546            ),
547            ty::ConstKind::Error(_) => ::core::panicking::panic("internal error: entered unreachable code")unreachable!(),
548            ty::ConstKind::Infer(_) => ::core::panicking::panic("internal error: entered unreachable code")unreachable!(),
549            ty::ConstKind::Bound(_, _) => ::core::panicking::panic("not implemented")unimplemented!(),
550            ty::ConstKind::Placeholder(_) => ::core::panicking::panic("not implemented")unimplemented!(),
551            ty::ConstKind::Expr(_) => ::core::panicking::panic("not implemented")unimplemented!(),
552        };
553        let id = tables.intern_ty_const(ct);
554        crate::ty::TyConst::new(kind, id)
555    }
556}
557
558impl<'tcx> Stable<'tcx> for ty::ParamConst {
559    type T = crate::ty::ParamConst;
560    fn stable(&self, _: &mut Tables<'_, BridgeTys>, _: &CompilerCtxt<'_, BridgeTys>) -> Self::T {
561        use crate::ty::ParamConst;
562        ParamConst { index: self.index, name: self.name.to_string() }
563    }
564}
565
566impl<'tcx> Stable<'tcx> for ty::ParamTy {
567    type T = crate::ty::ParamTy;
568    fn stable(&self, _: &mut Tables<'_, BridgeTys>, _: &CompilerCtxt<'_, BridgeTys>) -> Self::T {
569        use crate::ty::ParamTy;
570        ParamTy { index: self.index, name: self.name.to_string() }
571    }
572}
573
574impl<'tcx> Stable<'tcx> for ty::BoundTy<'tcx> {
575    type T = crate::ty::BoundTy;
576    fn stable<'cx>(
577        &self,
578        tables: &mut Tables<'cx, BridgeTys>,
579        cx: &CompilerCtxt<'cx, BridgeTys>,
580    ) -> Self::T {
581        use crate::ty::BoundTy;
582        BoundTy { var: self.var.as_usize(), kind: self.kind.stable(tables, cx) }
583    }
584}
585
586impl<'tcx> Stable<'tcx> for ty::trait_def::TraitSpecializationKind {
587    type T = crate::ty::TraitSpecializationKind;
588    fn stable(&self, _: &mut Tables<'_, BridgeTys>, _: &CompilerCtxt<'_, BridgeTys>) -> Self::T {
589        use crate::ty::TraitSpecializationKind;
590
591        match self {
592            ty::trait_def::TraitSpecializationKind::None => TraitSpecializationKind::None,
593            ty::trait_def::TraitSpecializationKind::Marker => TraitSpecializationKind::Marker,
594            ty::trait_def::TraitSpecializationKind::AlwaysApplicable => {
595                TraitSpecializationKind::AlwaysApplicable
596            }
597        }
598    }
599}
600
601impl<'tcx> Stable<'tcx> for ty::TraitDef {
602    type T = crate::ty::TraitDecl;
603    fn stable<'cx>(
604        &self,
605        tables: &mut Tables<'cx, BridgeTys>,
606        cx: &CompilerCtxt<'cx, BridgeTys>,
607    ) -> Self::T {
608        use crate::opaque;
609        use crate::ty::TraitDecl;
610
611        TraitDecl {
612            def_id: tables.trait_def(self.def_id),
613            safety: self.safety.stable(tables, cx),
614            paren_sugar: self.paren_sugar,
615            has_auto_impl: self.has_auto_impl,
616            is_marker: self.is_marker,
617            is_coinductive: self.is_coinductive,
618            skip_array_during_method_dispatch: self.skip_array_during_method_dispatch,
619            skip_boxed_slice_during_method_dispatch: self.skip_boxed_slice_during_method_dispatch,
620            specialization_kind: self.specialization_kind.stable(tables, cx),
621            must_implement_one_of: self
622                .must_implement_one_of
623                .as_ref()
624                .map(|idents| idents.iter().map(|ident| opaque(ident)).collect()),
625            force_dyn_incompatible: self.force_dyn_incompatible.stable(tables, cx),
626            deny_explicit_impl: self.deny_explicit_impl,
627        }
628    }
629}
630
631impl<'tcx> Stable<'tcx> for ty::TraitRef<'tcx> {
632    type T = crate::ty::TraitRef;
633    fn stable<'cx>(
634        &self,
635        tables: &mut Tables<'cx, BridgeTys>,
636        cx: &CompilerCtxt<'cx, BridgeTys>,
637    ) -> Self::T {
638        use crate::ty::TraitRef;
639
640        TraitRef::try_new(tables.trait_def(self.def_id), self.args.stable(tables, cx)).unwrap()
641    }
642}
643
644impl<'tcx> Stable<'tcx> for ty::Generics {
645    type T = crate::ty::Generics;
646
647    fn stable<'cx>(
648        &self,
649        tables: &mut Tables<'cx, BridgeTys>,
650        cx: &CompilerCtxt<'cx, BridgeTys>,
651    ) -> Self::T {
652        use crate::ty::Generics;
653
654        let params: Vec<_> = self.own_params.iter().map(|param| param.stable(tables, cx)).collect();
655        let param_def_id_to_index =
656            params.iter().map(|param| (param.def_id, param.index)).collect();
657
658        Generics {
659            parent: self.parent.map(|did| tables.generic_def(did)),
660            parent_count: self.parent_count,
661            params,
662            param_def_id_to_index,
663            has_self: self.has_self,
664            has_late_bound_regions: self
665                .has_late_bound_regions
666                .as_ref()
667                .map(|late_bound_regions| late_bound_regions.stable(tables, cx)),
668        }
669    }
670}
671
672impl<'tcx> Stable<'tcx> for rustc_middle::ty::GenericParamDefKind {
673    type T = crate::ty::GenericParamDefKind;
674
675    fn stable(&self, _: &mut Tables<'_, BridgeTys>, _: &CompilerCtxt<'_, BridgeTys>) -> Self::T {
676        use crate::ty::GenericParamDefKind;
677        match *self {
678            ty::GenericParamDefKind::Lifetime => GenericParamDefKind::Lifetime,
679            ty::GenericParamDefKind::Type { has_default, synthetic } => {
680                GenericParamDefKind::Type { has_default, synthetic }
681            }
682            ty::GenericParamDefKind::Const { has_default } => {
683                GenericParamDefKind::Const { has_default }
684            }
685        }
686    }
687}
688
689impl<'tcx> Stable<'tcx> for rustc_middle::ty::GenericParamDef {
690    type T = crate::ty::GenericParamDef;
691
692    fn stable<'cx>(
693        &self,
694        tables: &mut Tables<'cx, BridgeTys>,
695        cx: &CompilerCtxt<'cx, BridgeTys>,
696    ) -> Self::T {
697        GenericParamDef {
698            name: self.name.to_string(),
699            def_id: tables.generic_def(self.def_id),
700            index: self.index,
701            pure_wrt_drop: self.pure_wrt_drop,
702            kind: self.kind.stable(tables, cx),
703        }
704    }
705}
706
707impl<'tcx> Stable<'tcx> for ty::PredicateKind<'tcx> {
708    type T = crate::ty::PredicateKind;
709
710    fn stable<'cx>(
711        &self,
712        tables: &mut Tables<'cx, BridgeTys>,
713        cx: &CompilerCtxt<'cx, BridgeTys>,
714    ) -> Self::T {
715        use rustc_middle::ty::PredicateKind;
716        match self {
717            PredicateKind::Clause(clause_kind) => {
718                crate::ty::PredicateKind::Clause(clause_kind.stable(tables, cx))
719            }
720            PredicateKind::DynCompatible(did) => {
721                crate::ty::PredicateKind::DynCompatible(tables.trait_def(*did))
722            }
723            PredicateKind::Subtype(subtype_predicate) => {
724                crate::ty::PredicateKind::SubType(subtype_predicate.stable(tables, cx))
725            }
726            PredicateKind::Coerce(coerce_predicate) => {
727                crate::ty::PredicateKind::Coerce(coerce_predicate.stable(tables, cx))
728            }
729            PredicateKind::ConstEquate(a, b) => {
730                crate::ty::PredicateKind::ConstEquate(a.stable(tables, cx), b.stable(tables, cx))
731            }
732            PredicateKind::Ambiguous => crate::ty::PredicateKind::Ambiguous,
733            PredicateKind::NormalizesTo(_pred) => ::core::panicking::panic("not implemented")unimplemented!(),
734            PredicateKind::AliasRelate(a, b, alias_relation_direction) => {
735                crate::ty::PredicateKind::AliasRelate(
736                    a.kind().stable(tables, cx),
737                    b.kind().stable(tables, cx),
738                    alias_relation_direction.stable(tables, cx),
739                )
740            }
741        }
742    }
743}
744
745impl<'tcx> Stable<'tcx> for ty::ClauseKind<'tcx> {
746    type T = crate::ty::ClauseKind;
747
748    fn stable<'cx>(
749        &self,
750        tables: &mut Tables<'cx, BridgeTys>,
751        cx: &CompilerCtxt<'cx, BridgeTys>,
752    ) -> Self::T {
753        use rustc_middle::ty::ClauseKind;
754        match *self {
755            ClauseKind::Trait(trait_object) => {
756                crate::ty::ClauseKind::Trait(trait_object.stable(tables, cx))
757            }
758            ClauseKind::RegionOutlives(region_outlives) => {
759                crate::ty::ClauseKind::RegionOutlives(region_outlives.stable(tables, cx))
760            }
761            ClauseKind::TypeOutlives(type_outlives) => {
762                let ty::OutlivesPredicate::<_, _>(a, b) = type_outlives;
763                crate::ty::ClauseKind::TypeOutlives(crate::ty::OutlivesPredicate(
764                    a.stable(tables, cx),
765                    b.stable(tables, cx),
766                ))
767            }
768            ClauseKind::Projection(projection_predicate) => {
769                crate::ty::ClauseKind::Projection(projection_predicate.stable(tables, cx))
770            }
771            ClauseKind::ConstArgHasType(const_, ty) => crate::ty::ClauseKind::ConstArgHasType(
772                const_.stable(tables, cx),
773                ty.stable(tables, cx),
774            ),
775            ClauseKind::WellFormed(term) => {
776                crate::ty::ClauseKind::WellFormed(term.kind().stable(tables, cx))
777            }
778            ClauseKind::ConstEvaluatable(const_) => {
779                crate::ty::ClauseKind::ConstEvaluatable(const_.stable(tables, cx))
780            }
781            ClauseKind::HostEffect(..) => {
782                ::core::panicking::panic("not yet implemented")todo!()
783            }
784            ClauseKind::UnstableFeature(_) => {
785                ::core::panicking::panic("not yet implemented")todo!()
786            }
787        }
788    }
789}
790
791impl<'tcx> Stable<'tcx> for ty::ClosureKind {
792    type T = crate::ty::ClosureKind;
793
794    fn stable(&self, _: &mut Tables<'_, BridgeTys>, _: &CompilerCtxt<'_, BridgeTys>) -> Self::T {
795        use rustc_middle::ty::ClosureKind::*;
796        match self {
797            Fn => crate::ty::ClosureKind::Fn,
798            FnMut => crate::ty::ClosureKind::FnMut,
799            FnOnce => crate::ty::ClosureKind::FnOnce,
800        }
801    }
802}
803
804impl<'tcx> Stable<'tcx> for ty::SubtypePredicate<'tcx> {
805    type T = crate::ty::SubtypePredicate;
806
807    fn stable<'cx>(
808        &self,
809        tables: &mut Tables<'cx, BridgeTys>,
810        cx: &CompilerCtxt<'cx, BridgeTys>,
811    ) -> Self::T {
812        let ty::SubtypePredicate { a, b, a_is_expected: _ } = self;
813        crate::ty::SubtypePredicate { a: a.stable(tables, cx), b: b.stable(tables, cx) }
814    }
815}
816
817impl<'tcx> Stable<'tcx> for ty::CoercePredicate<'tcx> {
818    type T = crate::ty::CoercePredicate;
819
820    fn stable<'cx>(
821        &self,
822        tables: &mut Tables<'cx, BridgeTys>,
823        cx: &CompilerCtxt<'cx, BridgeTys>,
824    ) -> Self::T {
825        let ty::CoercePredicate { a, b } = self;
826        crate::ty::CoercePredicate { a: a.stable(tables, cx), b: b.stable(tables, cx) }
827    }
828}
829
830impl<'tcx> Stable<'tcx> for ty::AliasRelationDirection {
831    type T = crate::ty::AliasRelationDirection;
832
833    fn stable(&self, _: &mut Tables<'_, BridgeTys>, _: &CompilerCtxt<'_, BridgeTys>) -> Self::T {
834        use rustc_middle::ty::AliasRelationDirection::*;
835        match self {
836            Equate => crate::ty::AliasRelationDirection::Equate,
837            Subtype => crate::ty::AliasRelationDirection::Subtype,
838        }
839    }
840}
841
842impl<'tcx> Stable<'tcx> for ty::TraitPredicate<'tcx> {
843    type T = crate::ty::TraitPredicate;
844
845    fn stable<'cx>(
846        &self,
847        tables: &mut Tables<'cx, BridgeTys>,
848        cx: &CompilerCtxt<'cx, BridgeTys>,
849    ) -> Self::T {
850        let ty::TraitPredicate { trait_ref, polarity } = self;
851        crate::ty::TraitPredicate {
852            trait_ref: trait_ref.stable(tables, cx),
853            polarity: polarity.stable(tables, cx),
854        }
855    }
856}
857
858impl<'tcx, T> Stable<'tcx> for ty::OutlivesPredicate<'tcx, T>
859where
860    T: Stable<'tcx>,
861{
862    type T = crate::ty::OutlivesPredicate<T::T, Region>;
863
864    fn stable<'cx>(
865        &self,
866        tables: &mut Tables<'cx, BridgeTys>,
867        cx: &CompilerCtxt<'cx, BridgeTys>,
868    ) -> Self::T {
869        let ty::OutlivesPredicate(a, b) = self;
870        crate::ty::OutlivesPredicate(a.stable(tables, cx), b.stable(tables, cx))
871    }
872}
873
874impl<'tcx> Stable<'tcx> for ty::ProjectionPredicate<'tcx> {
875    type T = crate::ty::ProjectionPredicate;
876
877    fn stable<'cx>(
878        &self,
879        tables: &mut Tables<'cx, BridgeTys>,
880        cx: &CompilerCtxt<'cx, BridgeTys>,
881    ) -> Self::T {
882        let ty::ProjectionPredicate { projection_term, term } = self;
883        crate::ty::ProjectionPredicate {
884            projection_term: projection_term.stable(tables, cx),
885            term: term.kind().stable(tables, cx),
886        }
887    }
888}
889
890impl<'tcx> Stable<'tcx> for ty::ImplPolarity {
891    type T = crate::ty::ImplPolarity;
892
893    fn stable(&self, _: &mut Tables<'_, BridgeTys>, _: &CompilerCtxt<'_, BridgeTys>) -> Self::T {
894        use rustc_middle::ty::ImplPolarity::*;
895        match self {
896            Positive => crate::ty::ImplPolarity::Positive,
897            Negative => crate::ty::ImplPolarity::Negative,
898            Reservation => crate::ty::ImplPolarity::Reservation,
899        }
900    }
901}
902
903impl<'tcx> Stable<'tcx> for ty::PredicatePolarity {
904    type T = crate::ty::PredicatePolarity;
905
906    fn stable(&self, _: &mut Tables<'_, BridgeTys>, _: &CompilerCtxt<'_, BridgeTys>) -> Self::T {
907        use rustc_middle::ty::PredicatePolarity::*;
908        match self {
909            Positive => crate::ty::PredicatePolarity::Positive,
910            Negative => crate::ty::PredicatePolarity::Negative,
911        }
912    }
913}
914
915impl<'tcx> Stable<'tcx> for ty::Region<'tcx> {
916    type T = crate::ty::Region;
917
918    fn stable<'cx>(
919        &self,
920        tables: &mut Tables<'cx, BridgeTys>,
921        cx: &CompilerCtxt<'cx, BridgeTys>,
922    ) -> Self::T {
923        Region { kind: self.kind().stable(tables, cx) }
924    }
925}
926
927impl<'tcx> Stable<'tcx> for ty::RegionKind<'tcx> {
928    type T = crate::ty::RegionKind;
929
930    fn stable<'cx>(
931        &self,
932        tables: &mut Tables<'cx, BridgeTys>,
933        cx: &CompilerCtxt<'cx, BridgeTys>,
934    ) -> Self::T {
935        use crate::ty::{BoundRegion, EarlyParamRegion, RegionKind};
936        match self {
937            ty::ReEarlyParam(early_reg) => RegionKind::ReEarlyParam(EarlyParamRegion {
938                index: early_reg.index,
939                name: early_reg.name.to_string(),
940            }),
941            ty::ReBound(ty::BoundVarIndexKind::Bound(db_index), bound_reg) => RegionKind::ReBound(
942                db_index.as_u32(),
943                BoundRegion {
944                    var: bound_reg.var.as_u32(),
945                    kind: bound_reg.kind.stable(tables, cx),
946                },
947            ),
948            ty::ReStatic => RegionKind::ReStatic,
949            ty::RePlaceholder(place_holder) => RegionKind::RePlaceholder(crate::ty::Placeholder {
950                universe: place_holder.universe.as_u32(),
951                bound: BoundRegion {
952                    var: place_holder.bound.var.as_u32(),
953                    kind: place_holder.bound.kind.stable(tables, cx),
954                },
955            }),
956            ty::ReErased => RegionKind::ReErased,
957            _ => {
    ::core::panicking::panic_fmt(format_args!("internal error: entered unreachable code: {0}",
            format_args!("{0:?}", self)));
}unreachable!("{self:?}"),
958        }
959    }
960}
961
962impl<'tcx> Stable<'tcx> for ty::Instance<'tcx> {
963    type T = crate::mir::mono::Instance;
964
965    fn stable<'cx>(
966        &self,
967        tables: &mut Tables<'cx, BridgeTys>,
968        cx: &CompilerCtxt<'cx, BridgeTys>,
969    ) -> Self::T {
970        let def = tables.instance_def(cx.lift(*self));
971        let kind = match self.def {
972            ty::InstanceKind::Item(..) => crate::mir::mono::InstanceKind::Item,
973            ty::InstanceKind::Intrinsic(..) => crate::mir::mono::InstanceKind::Intrinsic,
974            ty::InstanceKind::Virtual(_def_id, idx) => {
975                crate::mir::mono::InstanceKind::Virtual { idx }
976            }
977            ty::InstanceKind::VTableShim(..)
978            | ty::InstanceKind::ReifyShim(..)
979            | ty::InstanceKind::FnPtrAddrShim(..)
980            | ty::InstanceKind::ClosureOnceShim { .. }
981            | ty::InstanceKind::ConstructCoroutineInClosureShim { .. }
982            | ty::InstanceKind::ThreadLocalShim(..)
983            | ty::InstanceKind::DropGlue(..)
984            | ty::InstanceKind::CloneShim(..)
985            | ty::InstanceKind::FnPtrShim(..)
986            | ty::InstanceKind::FutureDropPollShim(..)
987            | ty::InstanceKind::AsyncDropGlue(..)
988            | ty::InstanceKind::AsyncDropGlueCtorShim(..) => crate::mir::mono::InstanceKind::Shim,
989        };
990        crate::mir::mono::Instance { def, kind }
991    }
992}
993
994impl<'tcx> Stable<'tcx> for ty::Variance {
995    type T = crate::mir::Variance;
996    fn stable(&self, _: &mut Tables<'_, BridgeTys>, _: &CompilerCtxt<'_, BridgeTys>) -> Self::T {
997        match self {
998            ty::Bivariant => crate::mir::Variance::Bivariant,
999            ty::Contravariant => crate::mir::Variance::Contravariant,
1000            ty::Covariant => crate::mir::Variance::Covariant,
1001            ty::Invariant => crate::mir::Variance::Invariant,
1002        }
1003    }
1004}
1005
1006impl<'tcx> Stable<'tcx> for ty::Movability {
1007    type T = crate::ty::Movability;
1008
1009    fn stable(&self, _: &mut Tables<'_, BridgeTys>, _: &CompilerCtxt<'_, BridgeTys>) -> Self::T {
1010        match self {
1011            ty::Movability::Static => crate::ty::Movability::Static,
1012            ty::Movability::Movable => crate::ty::Movability::Movable,
1013        }
1014    }
1015}
1016
1017impl<'tcx> Stable<'tcx> for rustc_abi::ExternAbi {
1018    type T = crate::ty::Abi;
1019
1020    fn stable(&self, _: &mut Tables<'_, BridgeTys>, _: &CompilerCtxt<'_, BridgeTys>) -> Self::T {
1021        use rustc_abi::ExternAbi;
1022
1023        use crate::ty::Abi;
1024        match *self {
1025            ExternAbi::Rust => Abi::Rust,
1026            ExternAbi::C { unwind } => Abi::C { unwind },
1027            ExternAbi::Cdecl { unwind } => Abi::Cdecl { unwind },
1028            ExternAbi::Stdcall { unwind } => Abi::Stdcall { unwind },
1029            ExternAbi::Fastcall { unwind } => Abi::Fastcall { unwind },
1030            ExternAbi::Vectorcall { unwind } => Abi::Vectorcall { unwind },
1031            ExternAbi::Thiscall { unwind } => Abi::Thiscall { unwind },
1032            ExternAbi::Aapcs { unwind } => Abi::Aapcs { unwind },
1033            ExternAbi::Win64 { unwind } => Abi::Win64 { unwind },
1034            ExternAbi::SysV64 { unwind } => Abi::SysV64 { unwind },
1035            ExternAbi::PtxKernel => Abi::PtxKernel,
1036            ExternAbi::GpuKernel => Abi::GpuKernel,
1037            ExternAbi::Msp430Interrupt => Abi::Msp430Interrupt,
1038            ExternAbi::X86Interrupt => Abi::X86Interrupt,
1039            ExternAbi::EfiApi => Abi::EfiApi,
1040            ExternAbi::AvrInterrupt => Abi::AvrInterrupt,
1041            ExternAbi::AvrNonBlockingInterrupt => Abi::AvrNonBlockingInterrupt,
1042            ExternAbi::CmseNonSecureCall => Abi::CCmseNonSecureCall,
1043            ExternAbi::CmseNonSecureEntry => Abi::CCmseNonSecureEntry,
1044            ExternAbi::System { unwind } => Abi::System { unwind },
1045            ExternAbi::RustCall => Abi::RustCall,
1046            ExternAbi::Unadjusted => Abi::Unadjusted,
1047            ExternAbi::RustCold => Abi::RustCold,
1048            ExternAbi::RustPreserveNone => Abi::RustPreserveNone,
1049            ExternAbi::RustInvalid => Abi::RustInvalid,
1050            ExternAbi::RiscvInterruptM => Abi::RiscvInterruptM,
1051            ExternAbi::RiscvInterruptS => Abi::RiscvInterruptS,
1052            ExternAbi::Custom => Abi::Custom,
1053        }
1054    }
1055}
1056
1057impl<'tcx> Stable<'tcx> for rustc_session::cstore::ForeignModule {
1058    type T = crate::ty::ForeignModule;
1059
1060    fn stable<'cx>(
1061        &self,
1062        tables: &mut Tables<'cx, BridgeTys>,
1063        cx: &CompilerCtxt<'cx, BridgeTys>,
1064    ) -> Self::T {
1065        crate::ty::ForeignModule {
1066            def_id: tables.foreign_module_def(self.def_id),
1067            abi: self.abi.stable(tables, cx),
1068        }
1069    }
1070}
1071
1072impl<'tcx> Stable<'tcx> for ty::AssocKind {
1073    type T = crate::ty::AssocKind;
1074
1075    fn stable<'cx>(
1076        &self,
1077        tables: &mut Tables<'cx, BridgeTys>,
1078        cx: &CompilerCtxt<'cx, BridgeTys>,
1079    ) -> Self::T {
1080        use crate::ty::{AssocKind, AssocTypeData};
1081        match *self {
1082            ty::AssocKind::Const { name, .. } => AssocKind::Const { name: name.to_string() },
1083            ty::AssocKind::Fn { name, has_self } => {
1084                AssocKind::Fn { name: name.to_string(), has_self }
1085            }
1086            ty::AssocKind::Type { data } => AssocKind::Type {
1087                data: match data {
1088                    ty::AssocTypeData::Normal(name) => AssocTypeData::Normal(name.to_string()),
1089                    ty::AssocTypeData::Rpitit(rpitit) => {
1090                        AssocTypeData::Rpitit(rpitit.stable(tables, cx))
1091                    }
1092                },
1093            },
1094        }
1095    }
1096}
1097
1098impl<'tcx> Stable<'tcx> for ty::AssocContainer {
1099    type T = crate::ty::AssocContainer;
1100
1101    fn stable(
1102        &self,
1103        tables: &mut Tables<'_, BridgeTys>,
1104        _: &CompilerCtxt<'_, BridgeTys>,
1105    ) -> Self::T {
1106        use crate::ty::AssocContainer;
1107        match self {
1108            ty::AssocContainer::Trait => AssocContainer::Trait,
1109            ty::AssocContainer::InherentImpl => AssocContainer::InherentImpl,
1110            ty::AssocContainer::TraitImpl(trait_item_id) => {
1111                AssocContainer::TraitImpl(tables.assoc_def(trait_item_id.unwrap()))
1112            }
1113        }
1114    }
1115}
1116
1117impl<'tcx> Stable<'tcx> for ty::AssocItem {
1118    type T = crate::ty::AssocItem;
1119
1120    fn stable<'cx>(
1121        &self,
1122        tables: &mut Tables<'cx, BridgeTys>,
1123        cx: &CompilerCtxt<'cx, BridgeTys>,
1124    ) -> Self::T {
1125        crate::ty::AssocItem {
1126            def_id: tables.assoc_def(self.def_id),
1127            kind: self.kind.stable(tables, cx),
1128            container: self.container.stable(tables, cx),
1129        }
1130    }
1131}
1132
1133impl<'tcx> Stable<'tcx> for ty::ImplTraitInTraitData {
1134    type T = crate::ty::ImplTraitInTraitData;
1135
1136    fn stable<'cx>(
1137        &self,
1138        tables: &mut Tables<'cx, BridgeTys>,
1139        _: &CompilerCtxt<'cx, BridgeTys>,
1140    ) -> Self::T {
1141        use crate::ty::ImplTraitInTraitData;
1142        match self {
1143            ty::ImplTraitInTraitData::Trait { fn_def_id, opaque_def_id } => {
1144                ImplTraitInTraitData::Trait {
1145                    fn_def_id: tables.fn_def(*fn_def_id),
1146                    opaque_def_id: tables.opaque_def(*opaque_def_id),
1147                }
1148            }
1149            ty::ImplTraitInTraitData::Impl { fn_def_id } => {
1150                ImplTraitInTraitData::Impl { fn_def_id: tables.fn_def(*fn_def_id) }
1151            }
1152        }
1153    }
1154}
1155
1156impl<'tcx> Stable<'tcx> for rustc_middle::ty::util::Discr<'tcx> {
1157    type T = crate::ty::Discr;
1158
1159    fn stable<'cx>(
1160        &self,
1161        tables: &mut Tables<'cx, BridgeTys>,
1162        cx: &CompilerCtxt<'cx, BridgeTys>,
1163    ) -> Self::T {
1164        crate::ty::Discr { val: self.val, ty: self.ty.stable(tables, cx) }
1165    }
1166}
1167
1168impl<'tcx> Stable<'tcx> for rustc_middle::ty::VtblEntry<'tcx> {
1169    type T = crate::ty::VtblEntry;
1170
1171    fn stable<'cx>(
1172        &self,
1173        tables: &mut Tables<'cx, BridgeTys>,
1174        cx: &CompilerCtxt<'cx, BridgeTys>,
1175    ) -> Self::T {
1176        use crate::ty::VtblEntry;
1177        match self {
1178            ty::VtblEntry::MetadataDropInPlace => VtblEntry::MetadataDropInPlace,
1179            ty::VtblEntry::MetadataSize => VtblEntry::MetadataSize,
1180            ty::VtblEntry::MetadataAlign => VtblEntry::MetadataAlign,
1181            ty::VtblEntry::Vacant => VtblEntry::Vacant,
1182            ty::VtblEntry::Method(instance) => VtblEntry::Method(instance.stable(tables, cx)),
1183            ty::VtblEntry::TraitVPtr(trait_ref) => {
1184                VtblEntry::TraitVPtr(trait_ref.stable(tables, cx))
1185            }
1186        }
1187    }
1188}
rustc_public/unstable/convert/stable/ty.rs

rustc_public/unstable/convert/stable/
ty.rs
