use rustc_span::{
self, DebuggerVisualizerFile, ExternalSource, FileName, SourceFile, Span, SyntaxContext,
};
-use rustc_target::abi::VariantIdx;
use std::borrow::Borrow;
use std::collections::hash_map::Entry;
use std::hash::Hash;
record!(self.tables.super_predicates_of[def_id] <- self.tcx.super_predicates_of(def_id));
}
if let DefKind::Enum | DefKind::Struct | DefKind::Union = def_kind {
- let params_in_repr = self.tcx.params_in_repr(def_id);
- record!(self.tables.params_in_repr[def_id] <- params_in_repr);
+ self.encode_info_for_adt(def_id);
}
if should_encode_trait_impl_trait_tys(tcx, def_id)
&& let Ok(table) = self.tcx.collect_return_position_impl_trait_in_trait_tys(def_id)
}
}
- fn encode_enum_variant_info(&mut self, def: ty::AdtDef<'tcx>, index: VariantIdx) {
+ #[instrument(level = "trace", skip(self))]
+ fn encode_info_for_adt(&mut self, def_id: DefId) {
let tcx = self.tcx;
- let variant = &def.variant(index);
- let def_id = variant.def_id;
- debug!("EncodeContext::encode_enum_variant_info({:?})", def_id);
-
- let data = VariantData {
- discr: variant.discr,
- ctor: variant.ctor.map(|(kind, def_id)| (kind, def_id.index)),
- is_non_exhaustive: variant.is_field_list_non_exhaustive(),
- };
+ let adt_def = tcx.adt_def(def_id);
+ record!(self.tables.repr_options[def_id] <- adt_def.repr());
- record!(self.tables.variant_data[def_id] <- data);
- self.tables.constness.set(def_id.index, hir::Constness::Const);
- record_array!(self.tables.children[def_id] <- variant.fields.iter().map(|f| {
- assert!(f.did.is_local());
- f.did.index
- }));
- if let Some((CtorKind::Fn, ctor_def_id)) = variant.ctor {
- // FIXME(eddyb) encode signature only in `encode_enum_variant_ctor`.
- record!(self.tables.fn_sig[def_id] <- tcx.fn_sig(ctor_def_id));
+ let params_in_repr = self.tcx.params_in_repr(def_id);
+ record!(self.tables.params_in_repr[def_id] <- params_in_repr);
+
+ if adt_def.is_enum() {
+ record_array!(self.tables.children[def_id] <- iter::from_generator(||
+ for variant in tcx.adt_def(def_id).variants() {
+ yield variant.def_id.index;
+ // Encode constructors which take a separate slot in value namespace.
+ if let Some(ctor_def_id) = variant.ctor_def_id() {
+ yield ctor_def_id.index;
+ }
+ }
+ ));
+ } else {
+ // For non-enum, there is only one variant, and its def_id is the adt's.
+ debug_assert_eq!(adt_def.variants().len(), 1);
+ debug_assert_eq!(adt_def.non_enum_variant().def_id, def_id);
+ // Therefore, the loop over variants will encode its fields as the adt's children.
}
- }
- fn encode_enum_variant_ctor(&mut self, def: ty::AdtDef<'tcx>, index: VariantIdx) {
- let variant = &def.variant(index);
- let Some((ctor_kind, def_id)) = variant.ctor else { return };
- debug!("EncodeContext::encode_enum_variant_ctor({:?})", def_id);
+ for variant in adt_def.variants().iter() {
+ let data = VariantData {
+ discr: variant.discr,
+ ctor: variant.ctor.map(|(kind, def_id)| (kind, def_id.index)),
+ is_non_exhaustive: variant.is_field_list_non_exhaustive(),
+ };
+ record!(self.tables.variant_data[variant.def_id] <- data);
- // FIXME(eddyb) encode only the `CtorKind` for constructors.
- let data = VariantData {
- discr: variant.discr,
- ctor: Some((ctor_kind, def_id.index)),
- is_non_exhaustive: variant.is_field_list_non_exhaustive(),
- };
+ self.tables.constness.set(variant.def_id.index, hir::Constness::Const);
+ record_array!(self.tables.children[variant.def_id] <- variant.fields.iter().map(|f| {
+ assert!(f.did.is_local());
+ f.did.index
+ }));
- record!(self.tables.variant_data[def_id] <- data);
- self.tables.constness.set(def_id.index, hir::Constness::Const);
- if ctor_kind == CtorKind::Fn {
- record!(self.tables.fn_sig[def_id] <- self.tcx.fn_sig(def_id));
+ if let Some((CtorKind::Fn, ctor_def_id)) = variant.ctor {
+ self.tables.constness.set(ctor_def_id.index, hir::Constness::Const);
+ let fn_sig = tcx.fn_sig(ctor_def_id);
+ record!(self.tables.fn_sig[ctor_def_id] <- fn_sig);
+ // FIXME only encode signature for ctor_def_id
+ record!(self.tables.fn_sig[variant.def_id] <- fn_sig);
+ }
}
}
}
}
- fn encode_struct_ctor(&mut self, adt_def: ty::AdtDef<'tcx>) {
- let variant = adt_def.non_enum_variant();
- let Some((ctor_kind, def_id)) = variant.ctor else { return };
- debug!("EncodeContext::encode_struct_ctor({:?})", def_id);
-
- let data = VariantData {
- discr: variant.discr,
- ctor: Some((ctor_kind, def_id.index)),
- is_non_exhaustive: variant.is_field_list_non_exhaustive(),
- };
-
- record!(self.tables.repr_options[def_id] <- adt_def.repr());
- record!(self.tables.variant_data[def_id] <- data);
- self.tables.constness.set(def_id.index, hir::Constness::Const);
- if ctor_kind == CtorKind::Fn {
- record!(self.tables.fn_sig[def_id] <- self.tcx.fn_sig(def_id));
- }
- }
-
fn encode_explicit_item_bounds(&mut self, def_id: DefId) {
debug!("EncodeContext::encode_explicit_item_bounds({:?})", def_id);
let bounds = self.tcx.explicit_item_bounds(def_id);
self.tables.is_type_alias_impl_trait.set_nullable(def_id.index, true);
}
}
- hir::ItemKind::Enum(..) => {
- let adt_def = self.tcx.adt_def(def_id);
- record!(self.tables.repr_options[def_id] <- adt_def.repr());
- }
- hir::ItemKind::Struct(..) => {
- let adt_def = self.tcx.adt_def(def_id);
- record!(self.tables.repr_options[def_id] <- adt_def.repr());
- self.tables.constness.set(def_id.index, hir::Constness::Const);
-
- let variant = adt_def.non_enum_variant();
- record!(self.tables.variant_data[def_id] <- VariantData {
- discr: variant.discr,
- ctor: variant.ctor.map(|(kind, def_id)| (kind, def_id.index)),
- is_non_exhaustive: variant.is_field_list_non_exhaustive(),
- });
- }
- hir::ItemKind::Union(..) => {
- let adt_def = self.tcx.adt_def(def_id);
- record!(self.tables.repr_options[def_id] <- adt_def.repr());
-
- let variant = adt_def.non_enum_variant();
- record!(self.tables.variant_data[def_id] <- VariantData {
- discr: variant.discr,
- ctor: variant.ctor.map(|(kind, def_id)| (kind, def_id.index)),
- is_non_exhaustive: variant.is_field_list_non_exhaustive(),
- });
- }
hir::ItemKind::Impl(hir::Impl { defaultness, constness, .. }) => {
self.tables.impl_defaultness.set(def_id.index, *defaultness);
self.tables.constness.set(def_id.index, *constness);
}
hir::ItemKind::Static(..)
| hir::ItemKind::Const(..)
+ | hir::ItemKind::Enum(..)
+ | hir::ItemKind::Struct(..)
+ | hir::ItemKind::Union(..)
| hir::ItemKind::ForeignMod { .. }
| hir::ItemKind::GlobalAsm(..)
| hir::ItemKind::TyAlias(..) => {}
};
// FIXME(eddyb) there should be a nicer way to do this.
match item.kind {
- hir::ItemKind::Enum(..) => {
- record_array!(self.tables.children[def_id] <- iter::from_generator(||
- for variant in tcx.adt_def(def_id).variants() {
- yield variant.def_id.index;
- // Encode constructors which take a separate slot in value namespace.
- if let Some(ctor_def_id) = variant.ctor_def_id() {
- yield ctor_def_id.index;
- }
- }
- ))
- }
- hir::ItemKind::Struct(..) | hir::ItemKind::Union(..) => {
- record_array!(self.tables.children[def_id] <-
- self.tcx.adt_def(def_id).non_enum_variant().fields.iter().map(|f| {
- assert!(f.did.is_local());
- f.did.index
- })
- )
- }
hir::ItemKind::Impl { .. } | hir::ItemKind::Trait(..) => {
let associated_item_def_ids = self.tcx.associated_item_def_ids(def_id);
record_array!(self.tables.children[def_id] <-
// so it's easier to do that here then to wait until we would encounter
// normally in the visitor walk.
match item.kind {
- hir::ItemKind::Enum(..) => {
- let def = self.tcx.adt_def(item.owner_id.to_def_id());
- for (i, _) in def.variants().iter_enumerated() {
- self.encode_enum_variant_info(def, i);
- self.encode_enum_variant_ctor(def, i);
- }
- }
- hir::ItemKind::Struct(..) => {
- let def = self.tcx.adt_def(item.owner_id.to_def_id());
- self.encode_struct_ctor(def);
- }
hir::ItemKind::Impl { .. } => {
for &trait_item_def_id in
self.tcx.associated_item_def_ids(item.owner_id.to_def_id()).iter()
projects / rust.git / blobdiff