let (id, _) = self.variants.iter().find(|(_id, data)| &data.name == name)?;
Some(id)
}
+
+ pub fn variant_body_type(&self) -> Either<BuiltinInt, BuiltinUint> {
+ match self.repr {
+ Some(ReprData { kind: ReprKind::BuiltinInt { builtin, .. }, .. }) => builtin,
+ _ => Either::Right(BuiltinUint::U32),
+ }
+ }
}
impl HasChildSource<LocalEnumVariantId> for EnumId {
use base_db::{impl_intern_key, salsa, CrateId, Upcast};
use hir_def::{
db::DefDatabase, expr::ExprId, BlockId, ConstId, ConstParamId, DefWithBodyId, EnumVariantId,
- FunctionId, GenericDefId, ImplId, LifetimeParamId, LocalFieldId, Lookup, TypeOrConstParamId,
- VariantId,
+ FunctionId, GenericDefId, ImplId, LifetimeParamId, LocalFieldId, TypeOrConstParamId, VariantId,
};
use la_arena::ArenaMap;
db.const_data(it).name.clone().unwrap_or_else(Name::missing).to_string()
}
DefWithBodyId::VariantId(it) => {
- let up_db: &dyn DefDatabase = db.upcast();
- let loc = it.parent.lookup(up_db);
- let item_tree = loc.id.item_tree(up_db);
- let konst = &item_tree[loc.id.value];
- konst.name.to_string()
+ db.enum_data(it.parent).variants[it.local_id].name.to_string()
}
});
db.infer_query(def)
use chalk_ir::{cast::Cast, ConstValue, DebruijnIndex, Mutability, Safety, Scalar, TypeFlags};
use hir_def::{
- adt::{ReprData, ReprKind},
body::Body,
builtin_type::BuiltinType,
data::{ConstData, StaticData},
DefWithBodyId::FunctionId(f) => ctx.collect_fn(f),
DefWithBodyId::StaticId(s) => ctx.collect_static(&db.static_data(s)),
DefWithBodyId::VariantId(v) => {
- ctx.return_ty = match db.enum_data(v.parent).repr {
- Some(ReprData { kind: ReprKind::BuiltinInt { builtin, .. }, .. }) => {
- TyBuilder::builtin(match builtin {
- Either::Left(builtin) => BuiltinType::Int(builtin),
- Either::Right(builtin) => BuiltinType::Uint(builtin),
- })
- }
- _ => TyBuilder::builtin(BuiltinType::Uint(hir_def::builtin_type::BuiltinUint::U32)),
- };
+ ctx.return_ty = TyBuilder::builtin(match db.enum_data(v.parent).variant_body_type() {
+ Either::Left(builtin) => BuiltinType::Int(builtin),
+ Either::Right(builtin) => BuiltinType::Uint(builtin),
+ });
}
}
Type::from_def(db, self.id)
}
+ /// The type of the enum variant bodies.
+ pub fn variant_body_ty(self, db: &dyn HirDatabase) -> Type {
+ Type::new_for_crate(
+ self.id.lookup(db.upcast()).container.krate(),
+ TyBuilder::builtin(match db.enum_data(self.id).variant_body_type() {
+ Either::Left(builtin) => hir_def::builtin_type::BuiltinType::Int(builtin),
+ Either::Right(builtin) => hir_def::builtin_type::BuiltinType::Uint(builtin),
+ }),
+ )
+ }
+
pub fn is_data_carrying(self, db: &dyn HirDatabase) -> bool {
self.variants(db).iter().any(|v| !matches!(v.kind(db), StructKind::Unit))
}
DefWithBody::Function(it) => it.ret_type(db),
DefWithBody::Static(it) => it.ty(db),
DefWithBody::Const(it) => it.ty(db),
- DefWithBody::Variant(it) => it.parent.ty(db),
+ DefWithBody::Variant(it) => it.parent.variant_body_ty(db),
}
}