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fix: instance attributes can't be accessed statically

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This commit is contained in:
Shunsuke Shibayama 2024-10-02 00:09:11 +09:00
parent a49081161b
commit a849e7c057
4 changed files with 78 additions and 71 deletions
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17
crates/erg_compiler/context/inquire.rs
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@ -902,7 +902,8 @@ impl Context {
namespace: &Context,
) -> Triple<VarInfo, TyCheckError> {
let self_t = obj.t();
if let Some(sups) = self.get_nominal_super_type_ctxs(&self_t) {
// NOTE: get_nominal_super_type_ctxs({Nat}) == [<Nat>, ...], so we need to derefine
if let Some(sups) = self.get_nominal_super_type_ctxs(&self_t.derefine()) {
for ctx in sups {
match ctx.rec_get_var_info(ident, AccessKind::BoundAttr, input, namespace) {
Triple::Ok(vi) => {
@ -3055,9 +3056,10 @@ impl Context {
}
/// ```erg
/// get_nominal_super_type_ctx(Nat) == [<Nat>, <Int>, <Float>, ..., <Obj>, <Eq>, ...]
/// get_nominal_super_type_ctx({Nat}) == [<Type>, <Obj>, <Eq>, ...]
/// get_nominal_super_type_ctx(?T(:> Nat, <: Eq)) == == [<Eq>, ...]
/// get_nominal_super_type_ctxs(Nat) == [<Nat>, <Int>, <Float>, ..., <Obj>, <Eq>, ...]
/// # FIXME: ↓ should be [<Type>, <Obj>, <Eq>, ...]
/// get_nominal_super_type_ctxs({Nat}) == [<Nat>, <Int>, <Float>, ..., <Obj>, <Eq>, ...]
/// get_nominal_super_type_ctxs(?T(:> Nat, <: Eq)) == == [<Eq>, ...]
/// ```
pub fn get_nominal_super_type_ctxs<'a>(&'a self, t: &Type) -> Option<Vec<&'a TypeContext>> {
match t {
@ -3162,6 +3164,12 @@ impl Context {
}
// TODO: Never
/// ```erg
/// get_nominal_type_ctx(Int) == Some(<Int>)
/// get_nominal_type_ctx({Int}) == Some(<Int>) # FIXME: should be <Type>
/// get_nominal_type_ctx(Int -> Int) == Some(<FuncMetaType>)
/// get_nominal_type_ctx({ .x = Int }) == Some(<RecordMetaType>)
/// ```
pub(crate) fn get_nominal_type_ctx<'a>(&'a self, typ: &Type) -> Option<&'a TypeContext> {
match typ {
Type::FreeVar(fv) if fv.is_linked() => {
@ -3176,6 +3184,7 @@ impl Context {
}
}
Type::Refinement(refine) => {
// FIXME: Not good
if let Predicate::Equal {
rhs: TyParam::Value(ValueObj::Type(typ)),
..