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core/toplevel: add python-like error messages for class definition

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abdul124 2024-08-30 18:04:17 +08:00 committed by David Mak
parent f862c01412
commit 5337dbe23b
1 changed files with 14 additions and 3 deletions
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17
nac3core/src/toplevel/type_annotation.rs
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@ -100,7 +100,13 @@ pub fn parse_ast_to_type_annotation_kinds<T, S: std::hash::BuildHasher + Clone>(
Ok(TypeAnnotation::CustomClass { id: PrimDef::Exception.id(), params: Vec::default() }) Ok(TypeAnnotation::CustomClass { id: PrimDef::Exception.id(), params: Vec::default() })
} else if let Ok(obj_id) = resolver.get_identifier_def(*id) { } else if let Ok(obj_id) = resolver.get_identifier_def(*id) {
let type_vars = { let type_vars = {
let def_read = top_level_defs[obj_id.0].try_read(); let Some(top_level_def) = top_level_defs.get(obj_id.0) else {
return Err(HashSet::from([format!(
"NameError: name '{id}' is not defined (at {})",
expr.location
)]));
};
let def_read = top_level_def.try_read();
if let Some(def_read) = def_read { if let Some(def_read) = def_read {
if let TopLevelDef::Class { type_vars, .. } = &*def_read { if let TopLevelDef::Class { type_vars, .. } = &*def_read {
type_vars.clone() type_vars.clone()
@ -155,12 +161,17 @@ pub fn parse_ast_to_type_annotation_kinds<T, S: std::hash::BuildHasher + Clone>(
} }
let obj_id = resolver.get_identifier_def(*id)?; let obj_id = resolver.get_identifier_def(*id)?;
let type_vars = { let type_vars = {
let def_read = top_level_defs[obj_id.0].try_read(); let Some(top_level_def) = top_level_defs.get(obj_id.0) else {
return Err(HashSet::from([format!(
"NameError: name '{id}' is not defined (at {})",
expr.location
)]));
};
let def_read = top_level_def.try_read();
if let Some(def_read) = def_read { if let Some(def_read) = def_read {
let TopLevelDef::Class { type_vars, .. } = &*def_read else { let TopLevelDef::Class { type_vars, .. } = &*def_read else {
unreachable!("must be class here") unreachable!("must be class here")
}; };
type_vars.clone() type_vars.clone()
} else { } else {
locked.get(&obj_id).unwrap().clone() locked.get(&obj_id).unwrap().clone()