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Enum variants are not generic def ids

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This commit is contained in:
Lukas Wirth 2024-06-23 15:22:42 +02:00
parent 3432ef4414
commit 3168ab5b99
22 changed files with 188 additions and 178 deletions
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28
crates/hir/src/lib.rs
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@ -52,11 +52,11 @@ use hir_def::{
path::ImportAlias,
per_ns::PerNs,
resolver::{HasResolver, Resolver},
AssocItemId, AssocItemLoc, AttrDefId, ConstId, ConstParamId, CrateRootModuleId, DefWithBodyId,
EnumId, EnumVariantId, ExternCrateId, FunctionId, GenericDefId, GenericParamId, HasModule,
ImplId, InTypeConstId, ItemContainerId, LifetimeParamId, LocalFieldId, Lookup, MacroExpander,
ModuleId, StaticId, StructId, TraitAliasId, TraitId, TupleId, TypeAliasId, TypeOrConstParamId,
TypeParamId, UnionId,
AssocItemId, AssocItemLoc, AttrDefId, CallableDefId, ConstId, ConstParamId, CrateRootModuleId,
DefWithBodyId, EnumId, EnumVariantId, ExternCrateId, FunctionId, GenericDefId, GenericParamId,
HasModule, ImplId, InTypeConstId, ItemContainerId, LifetimeParamId, LocalFieldId, Lookup,
MacroExpander, ModuleId, StaticId, StructId, TraitAliasId, TraitId, TupleId, TypeAliasId,
TypeOrConstParamId, TypeParamId, UnionId,
};
use hir_expand::{
attrs::collect_attrs, name::name, proc_macro::ProcMacroKind, AstId, MacroCallKind, ValueResult,
@ -71,7 +71,7 @@ use hir_ty::{
mir::{interpret_mir, MutBorrowKind},
primitive::UintTy,
traits::FnTrait,
AliasTy, CallableDefId, CallableSig, Canonical, CanonicalVarKinds, Cast, ClosureId, GenericArg,
AliasTy, CallableSig, Canonical, CanonicalVarKinds, Cast, ClosureId, GenericArg,
GenericArgData, Interner, ParamKind, QuantifiedWhereClause, Scalar, Substitution,
TraitEnvironment, TraitRefExt, Ty, TyBuilder, TyDefId, TyExt, TyKind, ValueTyDefId,
WhereClause,
@ -1144,7 +1144,7 @@ impl Field {
let generic_def_id: GenericDefId = match self.parent {
VariantDef::Struct(it) => it.id.into(),
VariantDef::Union(it) => it.id.into(),
VariantDef::Variant(it) => it.id.into(),
VariantDef::Variant(it) => it.id.lookup(db.upcast()).parent.into(),
};
let substs = TyBuilder::placeholder_subst(db, generic_def_id);
let ty = db.field_types(var_id)[self.id].clone().substitute(Interner, &substs);
@ -1177,7 +1177,9 @@ impl Field {
db.layout_of_ty(
self.ty(db).ty,
db.trait_environment(match hir_def::VariantId::from(self.parent) {
hir_def::VariantId::EnumVariantId(id) => GenericDefId::EnumVariantId(id),
hir_def::VariantId::EnumVariantId(id) => {
GenericDefId::AdtId(id.lookup(db.upcast()).parent.into())
}
hir_def::VariantId::StructId(id) => GenericDefId::AdtId(id.into()),
hir_def::VariantId::UnionId(id) => GenericDefId::AdtId(id.into()),
}),
@ -2501,7 +2503,7 @@ impl Trait {
db: &dyn HirDatabase,
count_required_only: bool,
) -> usize {
db.generic_params(GenericDefId::from(self.id))
db.generic_params(self.id.into())
.type_or_consts
.iter()
.filter(|(_, ty)| !matches!(ty, TypeOrConstParamData::TypeParamData(ty) if ty.provenance != TypeParamProvenance::TypeParamList))
@ -3107,9 +3109,6 @@ pub enum GenericDef {
TraitAlias(TraitAlias),
TypeAlias(TypeAlias),
Impl(Impl),
// enum variants cannot have generics themselves, but their parent enums
// can, and this makes some code easier to write
Variant(Variant),
// consts can have type parameters from their parents (i.e. associated consts of traits)
Const(Const),
}
@ -3120,7 +3119,6 @@ impl_from!(
TraitAlias,
TypeAlias,
Impl,
Variant,
Const
for GenericDef
);
@ -4052,7 +4050,9 @@ impl Type {
ValueTyDefId::FunctionId(it) => GenericDefId::FunctionId(it),
ValueTyDefId::StructId(it) => GenericDefId::AdtId(AdtId::StructId(it)),
ValueTyDefId::UnionId(it) => GenericDefId::AdtId(AdtId::UnionId(it)),
ValueTyDefId::EnumVariantId(it) => GenericDefId::EnumVariantId(it),
ValueTyDefId::EnumVariantId(it) => {
GenericDefId::AdtId(AdtId::EnumId(it.lookup(db.upcast()).parent))
}
ValueTyDefId::StaticId(_) => return Type::new(db, def, ty.skip_binders().clone()),
},
);