diff options
Diffstat (limited to 'compiler/rustc_middle/src/ty/print/pretty.rs')
-rw-r--r-- | compiler/rustc_middle/src/ty/print/pretty.rs | 189 |
1 files changed, 88 insertions, 101 deletions
diff --git a/compiler/rustc_middle/src/ty/print/pretty.rs b/compiler/rustc_middle/src/ty/print/pretty.rs index d6c88ea96..96cf36eb9 100644 --- a/compiler/rustc_middle/src/ty/print/pretty.rs +++ b/compiler/rustc_middle/src/ty/print/pretty.rs @@ -94,6 +94,10 @@ macro_rules! define_helper { $tl.with(|c| c.set(self.0)) } } + + pub fn $name() -> bool { + $tl.with(|c| c.get()) + } )+ } } @@ -184,7 +188,7 @@ impl<'tcx> RegionHighlightMode<'tcx> { /// Convenience wrapper for `highlighting_region`. pub fn highlighting_region_vid(&mut self, vid: ty::RegionVid, number: usize) { - self.highlighting_region(self.tcx.mk_re_var(vid), number) + self.highlighting_region(ty::Region::new_var(self.tcx, vid), number) } /// Returns `Some(n)` with the number to use for the given region, if any. @@ -676,7 +680,7 @@ pub trait PrettyPrinter<'tcx>: p!(")") } ty::FnDef(def_id, substs) => { - if NO_QUERIES.with(|q| q.get()) { + if with_no_queries() { p!(print_def_path(def_id, substs)); } else { let sig = self.tcx().fn_sig(def_id).subst(self.tcx(), substs); @@ -685,29 +689,30 @@ pub trait PrettyPrinter<'tcx>: } ty::FnPtr(ref bare_fn) => p!(print(bare_fn)), ty::Infer(infer_ty) => { - let verbose = self.should_print_verbose(); + if self.should_print_verbose() { + p!(write("{:?}", ty.kind())); + return Ok(self); + } + if let ty::TyVar(ty_vid) = infer_ty { if let Some(name) = self.ty_infer_name(ty_vid) { p!(write("{}", name)) } else { - if verbose { - p!(write("{:?}", infer_ty)) - } else { - p!(write("{}", infer_ty)) - } + p!(write("{}", infer_ty)) } } else { - if verbose { p!(write("{:?}", infer_ty)) } else { p!(write("{}", infer_ty)) } + p!(write("{}", infer_ty)) } } ty::Error(_) => p!("{{type error}}"), ty::Param(ref param_ty) => p!(print(param_ty)), ty::Bound(debruijn, bound_ty) => match bound_ty.kind { - ty::BoundTyKind::Anon => debug_bound_var(&mut self, debruijn, bound_ty.var)?, + ty::BoundTyKind::Anon => { + rustc_type_ir::debug_bound_var(&mut self, debruijn, bound_ty.var)? + } ty::BoundTyKind::Param(_, s) => match self.should_print_verbose() { - true if debruijn == ty::INNERMOST => p!(write("^{}", s)), - true => p!(write("^{}_{}", debruijn.index(), s)), - false => p!(write("{}", s)), + true => p!(write("{:?}", ty.kind())), + false => p!(write("{s}")), }, }, ty::Adt(def, substs) => { @@ -730,8 +735,8 @@ pub trait PrettyPrinter<'tcx>: ty::Foreign(def_id) => { p!(print_def_path(def_id, &[])); } - ty::Alias(ty::Projection | ty::Inherent, ref data) => { - if !(self.should_print_verbose() || NO_QUERIES.with(|q| q.get())) + ty::Alias(ty::Projection | ty::Inherent | ty::Weak, ref data) => { + if !(self.should_print_verbose() || with_no_queries()) && self.tcx().is_impl_trait_in_trait(data.def_id) { return self.pretty_print_opaque_impl_type(data.def_id, data.substs); @@ -740,10 +745,11 @@ pub trait PrettyPrinter<'tcx>: } } ty::Placeholder(placeholder) => match placeholder.bound.kind { - ty::BoundTyKind::Anon => { - debug_placeholder_var(&mut self, placeholder.universe, placeholder.bound.var)?; - } - ty::BoundTyKind::Param(_, name) => p!(write("{}", name)), + ty::BoundTyKind::Anon => p!(write("{placeholder:?}")), + ty::BoundTyKind::Param(_, name) => match self.should_print_verbose() { + true => p!(write("{:?}", ty.kind())), + false => p!(write("{name}")), + }, }, ty::Alias(ty::Opaque, ty::AliasTy { def_id, substs, .. }) => { // We use verbose printing in 'NO_QUERIES' mode, to @@ -777,7 +783,7 @@ pub trait PrettyPrinter<'tcx>: return Ok(self); } _ => { - if NO_QUERIES.with(|q| q.get()) { + if with_no_queries() { p!(print_def_path(def_id, &[])); return Ok(self); } else { @@ -926,7 +932,7 @@ pub trait PrettyPrinter<'tcx>: let bound_predicate = predicate.kind(); match bound_predicate.skip_binder() { - ty::PredicateKind::Clause(ty::Clause::Trait(pred)) => { + ty::ClauseKind::Trait(pred) => { let trait_ref = bound_predicate.rebind(pred.trait_ref); // Don't print + Sized, but rather + ?Sized if absent. @@ -937,7 +943,7 @@ pub trait PrettyPrinter<'tcx>: self.insert_trait_and_projection(trait_ref, None, &mut traits, &mut fn_traits); } - ty::PredicateKind::Clause(ty::Clause::Projection(pred)) => { + ty::ClauseKind::Projection(pred) => { let proj_ref = bound_predicate.rebind(pred); let trait_ref = proj_ref.required_poly_trait_ref(tcx); @@ -951,7 +957,7 @@ pub trait PrettyPrinter<'tcx>: &mut fn_traits, ); } - ty::PredicateKind::Clause(ty::Clause::TypeOutlives(outlives)) => { + ty::ClauseKind::TypeOutlives(outlives) => { lifetimes.push(outlives.1); } _ => {} @@ -1222,7 +1228,7 @@ pub trait PrettyPrinter<'tcx>: // in order to place the projections inside the `<...>`. if !resugared { // Use a type that can't appear in defaults of type parameters. - let dummy_cx = cx.tcx().mk_fresh_ty(0); + let dummy_cx = Ty::new_fresh(cx.tcx(), 0); let principal = principal.with_self_ty(cx.tcx(), dummy_cx); let args = cx @@ -1372,11 +1378,9 @@ pub trait PrettyPrinter<'tcx>: } ty::ConstKind::Bound(debruijn, bound_var) => { - debug_bound_var(&mut self, debruijn, bound_var)? + rustc_type_ir::debug_bound_var(&mut self, debruijn, bound_var)? } - ty::ConstKind::Placeholder(placeholder) => { - debug_placeholder_var(&mut self, placeholder.universe, placeholder.bound)?; - }, + ty::ConstKind::Placeholder(placeholder) => p!(write("{placeholder:?}")), // FIXME(generic_const_exprs): // write out some legible representation of an abstract const? ty::ConstKind::Expr(_) => p!("{{const expr}}"), @@ -1389,11 +1393,12 @@ pub trait PrettyPrinter<'tcx>: self, scalar: Scalar, ty: Ty<'tcx>, - print_ty: bool, ) -> Result<Self::Const, Self::Error> { match scalar { - Scalar::Ptr(ptr, _size) => self.pretty_print_const_scalar_ptr(ptr, ty, print_ty), - Scalar::Int(int) => self.pretty_print_const_scalar_int(int, ty, print_ty), + Scalar::Ptr(ptr, _size) => self.pretty_print_const_scalar_ptr(ptr, ty), + Scalar::Int(int) => { + self.pretty_print_const_scalar_int(int, ty, /* print_ty */ true) + } } } @@ -1401,7 +1406,6 @@ pub trait PrettyPrinter<'tcx>: mut self, ptr: Pointer, ty: Ty<'tcx>, - print_ty: bool, ) -> Result<Self::Const, Self::Error> { define_scoped_cx!(self); @@ -1455,7 +1459,7 @@ pub trait PrettyPrinter<'tcx>: _ => {} } // Any pointer values not covered by a branch above - self = self.pretty_print_const_pointer(ptr, ty, print_ty)?; + self = self.pretty_print_const_pointer(ptr, ty)?; Ok(self) } @@ -1523,24 +1527,18 @@ pub trait PrettyPrinter<'tcx>: /// This is overridden for MIR printing because we only want to hide alloc ids from users, not /// from MIR where it is actually useful. fn pretty_print_const_pointer<Prov: Provenance>( - mut self, + self, _: Pointer<Prov>, ty: Ty<'tcx>, - print_ty: bool, ) -> Result<Self::Const, Self::Error> { - if print_ty { - self.typed_value( - |mut this| { - this.write_str("&_")?; - Ok(this) - }, - |this| this.print_type(ty), - ": ", - ) - } else { - self.write_str("&_")?; - Ok(self) - } + self.typed_value( + |mut this| { + this.write_str("&_")?; + Ok(this) + }, + |this| this.print_type(ty), + ": ", + ) } fn pretty_print_byte_str(mut self, byte_str: &'tcx [u8]) -> Result<Self::Const, Self::Error> { @@ -1597,7 +1595,8 @@ pub trait PrettyPrinter<'tcx>: } // Aggregates, printed as array/tuple/struct/variant construction syntax. (ty::ValTree::Branch(_), ty::Array(..) | ty::Tuple(..) | ty::Adt(..)) => { - let contents = self.tcx().destructure_const(self.tcx().mk_const(valtree, ty)); + let contents = + self.tcx().destructure_const(ty::Const::new_value(self.tcx(), valtree, ty)); let fields = contents.fields.iter().copied(); match *ty.kind() { ty::Array(..) => { @@ -1746,7 +1745,8 @@ impl DerefMut for FmtPrinter<'_, '_> { impl<'a, 'tcx> FmtPrinter<'a, 'tcx> { pub fn new(tcx: TyCtxt<'tcx>, ns: Namespace) -> Self { - Self::new_with_limit(tcx, ns, tcx.type_length_limit()) + let limit = if with_no_queries() { Limit::new(1048576) } else { tcx.type_length_limit() }; + Self::new_with_limit(tcx, ns, limit) } pub fn new_with_limit(tcx: TyCtxt<'tcx>, ns: Namespace, type_length_limit: Limit) -> Self { @@ -2150,7 +2150,6 @@ impl<'tcx> PrettyPrinter<'tcx> for FmtPrinter<'_, 'tcx> { self, p: Pointer<Prov>, ty: Ty<'tcx>, - print_ty: bool, ) -> Result<Self::Const, Self::Error> { let print = |mut this: Self| { define_scoped_cx!(this); @@ -2161,11 +2160,7 @@ impl<'tcx> PrettyPrinter<'tcx> for FmtPrinter<'_, 'tcx> { } Ok(this) }; - if print_ty { - self.typed_value(print, |this| this.print_type(ty), ": ") - } else { - print(self) - } + self.typed_value(print, |this| this.print_type(ty), ": ") } } @@ -2303,7 +2298,7 @@ impl<'a, 'tcx> ty::TypeFolder<TyCtxt<'tcx>> for RegionFolder<'a, 'tcx> { }; if let ty::ReLateBound(debruijn1, br) = *region { assert_eq!(debruijn1, ty::INNERMOST); - self.tcx.mk_re_late_bound(self.current_index, br) + ty::Region::new_late_bound(self.tcx, self.current_index, br) } else { region } @@ -2415,7 +2410,8 @@ impl<'tcx> FmtPrinter<'_, 'tcx> { if let Some(lt_idx) = lifetime_idx { if lt_idx > binder_level_idx { let kind = ty::BrNamed(CRATE_DEF_ID.to_def_id(), name); - return tcx.mk_re_late_bound( + return ty::Region::new_late_bound( + tcx, ty::INNERMOST, ty::BoundRegion { var: br.var, kind }, ); @@ -2430,7 +2426,8 @@ impl<'tcx> FmtPrinter<'_, 'tcx> { if let Some(lt_idx) = lifetime_idx { if lt_idx > binder_level_idx { let kind = ty::BrNamed(def_id, name); - return tcx.mk_re_late_bound( + return ty::Region::new_late_bound( + tcx, ty::INNERMOST, ty::BoundRegion { var: br.var, kind }, ); @@ -2443,7 +2440,8 @@ impl<'tcx> FmtPrinter<'_, 'tcx> { if let Some(lt_idx) = lifetime_idx { if lt_idx > binder_level_idx { let kind = br.kind; - return tcx.mk_re_late_bound( + return ty::Region::new_late_bound( + tcx, ty::INNERMOST, ty::BoundRegion { var: br.var, kind }, ); @@ -2458,7 +2456,11 @@ impl<'tcx> FmtPrinter<'_, 'tcx> { start_or_continue(&mut self, "for<", ", "); do_continue(&mut self, name); } - tcx.mk_re_late_bound(ty::INNERMOST, ty::BoundRegion { var: br.var, kind }) + ty::Region::new_late_bound( + tcx, + ty::INNERMOST, + ty::BoundRegion { var: br.var, kind }, + ) }; let mut folder = RegionFolder { tcx, @@ -2734,7 +2736,7 @@ define_print_and_forward_display! { ty::ExistentialTraitRef<'tcx> { // Use a type that can't appear in defaults of type parameters. - let dummy_self = cx.tcx().mk_fresh_ty(0); + let dummy_self = Ty::new_fresh(cx.tcx(),0); let trait_ref = self.with_self_ty(cx.tcx(), dummy_self); p!(print(trait_ref.print_only_trait_path())) } @@ -2857,20 +2859,35 @@ define_print_and_forward_display! { p!(print(binder)) } + ty::Clause<'tcx> { + p!(print(self.kind())) + } + + ty::ClauseKind<'tcx> { + match *self { + ty::ClauseKind::Trait(ref data) => { + p!(print(data)) + } + ty::ClauseKind::RegionOutlives(predicate) => p!(print(predicate)), + ty::ClauseKind::TypeOutlives(predicate) => p!(print(predicate)), + ty::ClauseKind::Projection(predicate) => p!(print(predicate)), + ty::ClauseKind::ConstArgHasType(ct, ty) => { + p!("the constant `", print(ct), "` has type `", print(ty), "`") + }, + ty::ClauseKind::WellFormed(arg) => p!(print(arg), " well-formed"), + ty::ClauseKind::ConstEvaluatable(ct) => { + p!("the constant `", print(ct), "` can be evaluated") + } + } + } + ty::PredicateKind<'tcx> { match *self { - ty::PredicateKind::Clause(ty::Clause::Trait(ref data)) => { + ty::PredicateKind::Clause(data) => { p!(print(data)) } ty::PredicateKind::Subtype(predicate) => p!(print(predicate)), ty::PredicateKind::Coerce(predicate) => p!(print(predicate)), - ty::PredicateKind::Clause(ty::Clause::RegionOutlives(predicate)) => p!(print(predicate)), - ty::PredicateKind::Clause(ty::Clause::TypeOutlives(predicate)) => p!(print(predicate)), - ty::PredicateKind::Clause(ty::Clause::Projection(predicate)) => p!(print(predicate)), - ty::PredicateKind::Clause(ty::Clause::ConstArgHasType(ct, ty)) => { - p!("the constant `", print(ct), "` has type `", print(ty), "`") - }, - ty::PredicateKind::WellFormed(arg) => p!(print(arg), " well-formed"), ty::PredicateKind::ObjectSafe(trait_def_id) => { p!("the trait `", print_def_path(trait_def_id, &[]), "` is object-safe") } @@ -2879,15 +2896,9 @@ define_print_and_forward_display! { print_value_path(closure_def_id, &[]), write("` implements the trait `{}`", kind) ), - ty::PredicateKind::ConstEvaluatable(ct) => { - p!("the constant `", print(ct), "` can be evaluated") - } ty::PredicateKind::ConstEquate(c1, c2) => { p!("the constant `", print(c1), "` equals `", print(c2), "`") } - ty::PredicateKind::TypeWellFormedFromEnv(ty) => { - p!("the type `", print(ty), "` is found in the environment") - } ty::PredicateKind::Ambiguous => p!("ambiguous"), ty::PredicateKind::AliasRelate(t1, t2, dir) => p!(print(t1), write(" {} ", dir), print(t2)), } @@ -2980,7 +2991,7 @@ fn for_each_def(tcx: TyCtxt<'_>, mut collect_fn: impl for<'b> FnMut(&'b Ident, N /// /// The implementation uses similar import discovery logic to that of 'use' suggestions. /// -/// See also [`DelayDm`](rustc_error_messages::DelayDm) and [`with_no_trimmed_paths`]. +/// See also [`DelayDm`](rustc_error_messages::DelayDm) and [`with_no_trimmed_paths!`]. fn trimmed_def_paths(tcx: TyCtxt<'_>, (): ()) -> FxHashMap<DefId, Symbol> { let mut map: FxHashMap<DefId, Symbol> = FxHashMap::default(); @@ -3065,27 +3076,3 @@ pub struct OpaqueFnEntry<'tcx> { fn_trait_ref: Option<ty::PolyTraitRef<'tcx>>, return_ty: Option<ty::Binder<'tcx, Term<'tcx>>>, } - -pub fn debug_bound_var<T: std::fmt::Write>( - fmt: &mut T, - debruijn: ty::DebruijnIndex, - var: ty::BoundVar, -) -> Result<(), std::fmt::Error> { - if debruijn == ty::INNERMOST { - write!(fmt, "^{}", var.index()) - } else { - write!(fmt, "^{}_{}", debruijn.index(), var.index()) - } -} - -pub fn debug_placeholder_var<T: std::fmt::Write>( - fmt: &mut T, - universe: ty::UniverseIndex, - bound: ty::BoundVar, -) -> Result<(), std::fmt::Error> { - if universe == ty::UniverseIndex::ROOT { - write!(fmt, "!{}", bound.index()) - } else { - write!(fmt, "!{}_{}", universe.index(), bound.index()) - } -} |