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feat: support inherited refinement types

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This commit is contained in:
Shunsuke Shibayama 2023-10-31 12:24:41 +09:00
parent 678c02faf9
commit a6336fa896
6 changed files with 125 additions and 26 deletions
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11
crates/erg_compiler/codegen.rs
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@ -1350,12 +1350,19 @@ impl PyCodeGenerator {
// fn emit_poly_type_def(&mut self, sig: SubrSignature, body: DefBody) {}
/// Y = Inherit X => class Y(X): ...
/// N = Inherit 1..10 => class N(Nat): ...
fn emit_require_type(&mut self, obj: GenTypeObj, require_or_sup: Option<Expr>) -> usize {
log!(info "entered {} ({obj}, {})", fn_name!(), fmt_option!(require_or_sup));
match obj {
GenTypeObj::Class(_) => 0,
GenTypeObj::Subclass(_) => {
self.emit_expr(require_or_sup.unwrap());
GenTypeObj::Subclass(typ) => {
let require_or_sup = require_or_sup.unwrap();
let typ = if require_or_sup.is_acc() {
require_or_sup
} else {
Expr::try_from_type(typ.sup.typ().derefine()).unwrap_or(require_or_sup)
};
self.emit_expr(typ);
1 // TODO: not always 1
}
_ => todo!(),