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This commit is contained in:
Shunsuke Shibayama 2023-08-17 16:43:26 +09:00
parent ea0089f7df
commit 9454896d5a
8 changed files with 177 additions and 12 deletions
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46
crates/erg_compiler/context/instantiate_spec.rs
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@ -11,7 +11,7 @@ use ast::{
TypeBoundSpecs, TypeSpec,
};
use erg_parser::ast::{
self, ConstArray, ConstSet, Identifier, VarName, VisModifierSpec, VisRestriction,
self, ConstArray, ConstExpr, ConstSet, Identifier, VarName, VisModifierSpec, VisRestriction,
};
use erg_parser::token::TokenKind;
use erg_parser::Parser;
@ -671,6 +671,50 @@ impl Context {
)?;
Ok(t.structuralize())
}
"NamedTuple" => {
let mut args = poly_spec.args.pos_args();
let Some(first) = args.next() else {
return Err(TyCheckErrors::from(TyCheckError::args_missing_error(
self.cfg.input.clone(),
line!() as usize,
poly_spec.args.loc(),
"NamedTuple",
self.caused_by(),
vec![Str::from("Fields")],
)));
};
let ConstExpr::Record(fields) = &first.expr else {
return Err(TyCheckErrors::from(TyCheckError::type_mismatch_error(
self.cfg.input.clone(),
line!() as usize,
first.expr.loc(),
self.caused_by(),
"NamedTuple",
None,
&mono("Record"),
&self.instantiate_const_expr_as_type(
&first.expr,
None,
tmp_tv_cache,
not_found_is_qvar,
)?,
None,
None,
)));
};
let mut ts = vec![];
for def in fields.attrs.iter() {
let t = self.instantiate_const_expr_as_type(
&def.body.block[0],
None,
tmp_tv_cache,
not_found_is_qvar,
)?;
let vis = self.instantiate_vis_modifier(&def.ident.vis)?;
ts.push((Field::new(vis, def.ident.inspect().clone()), t));
}
Ok(Type::NamedTuple(ts))
}
other => {
let Some((typ, ctx)) = self.get_type(&Str::rc(other)) else {
return Err(TyCheckErrors::from(TyCheckError::no_type_error(