forked from M-Labs/nac3
nac3core: top level fix type var within list tuple, test of type var application compatibility
This commit is contained in:
parent
2ce507964c
commit
f1013d9a17
@ -335,6 +335,85 @@ fn test_simple_function_analyze(source: Vec<&str>, tys: Vec<&str>, names: Vec<&s
|
||||
];
|
||||
"generic class"
|
||||
)]
|
||||
#[test_case(
|
||||
vec![
|
||||
indoc! {"
|
||||
def foo(a: list[int32], b: tuple[T, float]) -> A[B, bool]:
|
||||
pass
|
||||
"},
|
||||
indoc! {"
|
||||
class A(Generic[T, V]):
|
||||
def __init__(v: V):
|
||||
self.a: T = 1
|
||||
self.b: V = v
|
||||
def fun(a: T) -> V:
|
||||
pass
|
||||
"},
|
||||
indoc! {"
|
||||
def gfun(a: A[list[float], int32]):
|
||||
pass
|
||||
"},
|
||||
indoc! {"
|
||||
class B:
|
||||
def __init__():
|
||||
pass
|
||||
"}
|
||||
],
|
||||
vec![
|
||||
indoc! {"5: Function {
|
||||
name: \"foo\",
|
||||
sig: \"fn[[a=list[class0], b=tuple[tvar2, class2]], class6[2->class11, 3->class3]]\",
|
||||
var_id: [2]
|
||||
}"},
|
||||
|
||||
indoc! {"6: Class {
|
||||
name: \"A\",
|
||||
def_id: DefinitionId(6),
|
||||
ancestors: [CustomClassKind { id: DefinitionId(6), params: [TypeVarKind(UnificationKey(100)), TypeVarKind(UnificationKey(101))] }],
|
||||
fields: [(\"a\", \"tvar2\"), (\"b\", \"tvar3\")],
|
||||
methods: [(\"__init__\", \"fn[[v=tvar3], class4]\", DefinitionId(7)), (\"fun\", \"fn[[a=tvar2], tvar3]\", DefinitionId(8))],
|
||||
type_vars: [UnificationKey(100), UnificationKey(101)]
|
||||
}"},
|
||||
|
||||
indoc! {"7: Function {
|
||||
name: \"A__init__\",
|
||||
sig: \"fn[[v=tvar3], class4]\",
|
||||
var_id: [2, 3]
|
||||
}"},
|
||||
|
||||
indoc! {"8: Function {
|
||||
name: \"Afun\",
|
||||
sig: \"fn[[a=tvar2], tvar3]\",
|
||||
var_id: [2, 3]
|
||||
}"},
|
||||
|
||||
indoc! {"9: Initializer { DefinitionId(6) }"},
|
||||
|
||||
indoc! {"10: Function {
|
||||
name: \"gfun\",
|
||||
sig: \"fn[[a=class6[2->list[class2], 3->class0]], class4]\",
|
||||
var_id: []
|
||||
}"},
|
||||
|
||||
indoc! {"11: Class {
|
||||
name: \"B\",
|
||||
def_id: DefinitionId(11),
|
||||
ancestors: [CustomClassKind { id: DefinitionId(11), params: [] }],
|
||||
fields: [],
|
||||
methods: [(\"__init__\", \"fn[[], class4]\", DefinitionId(12))],
|
||||
type_vars: []
|
||||
}"},
|
||||
|
||||
indoc! {"12: Function {
|
||||
name: \"B__init__\",
|
||||
sig: \"fn[[], class4]\",
|
||||
var_id: []
|
||||
}"},
|
||||
|
||||
indoc! {"13: Initializer { DefinitionId(11) }"},
|
||||
];
|
||||
"list tuple generic"
|
||||
)]
|
||||
fn test_simple_class_analyze(source: Vec<&str>, res: Vec<&str>) {
|
||||
let mut composer = TopLevelComposer::new();
|
||||
|
||||
|
||||
@ -126,6 +126,7 @@ pub fn parse_ast_to_type_annotation_kinds<T>(
|
||||
.ok_or_else(|| "unknown class name".to_string())?;
|
||||
let def = top_level_defs[obj_id.0].read();
|
||||
if let TopLevelDef::Class { type_vars, .. } = &*def {
|
||||
// we do not check whether the application of type variables are compatible here
|
||||
let param_type_infos = {
|
||||
let params_ast = if let ast::ExprKind::Tuple { elts, .. } = &slice.node {
|
||||
elts.iter().collect_vec()
|
||||
@ -208,17 +209,35 @@ pub fn get_type_from_type_annotation_kinds(
|
||||
})
|
||||
.collect::<Result<Vec<_>, _>>()?;
|
||||
|
||||
let subst = type_vars
|
||||
.iter()
|
||||
.map(|x| {
|
||||
if let TypeEnum::TVar { id, .. } = unifier.get_ty(*x).as_ref() {
|
||||
*id
|
||||
let subst = {
|
||||
// NOTE: check for compatible range here
|
||||
let mut result: HashMap<u32, Type> = HashMap::new();
|
||||
for (tvar, p) in type_vars.iter().zip(param_ty) {
|
||||
if let TypeEnum::TVar { id, range, meta: TypeVarMeta::Generic } = unifier.get_ty(*tvar).as_ref() {
|
||||
let ok: bool = {
|
||||
// NOTE: create a temp type var and unify to check compatibility
|
||||
let temp = unifier.get_fresh_var_with_range(range.borrow().as_slice());
|
||||
unifier.unify(temp.0, p).is_ok()
|
||||
};
|
||||
if ok {
|
||||
result.insert(*id, p);
|
||||
} else {
|
||||
return Err(format!(
|
||||
"cannot apply type {} to type variable with id {:?}",
|
||||
unifier.stringify(
|
||||
p,
|
||||
&mut |id| format!("class{}", id),
|
||||
&mut |id| format!("tvar{}", id)
|
||||
),
|
||||
*id
|
||||
))
|
||||
}
|
||||
} else {
|
||||
unreachable!()
|
||||
unreachable!("must be generic type var")
|
||||
}
|
||||
})
|
||||
.zip(param_ty.into_iter())
|
||||
.collect::<HashMap<u32, Type>>();
|
||||
}
|
||||
result
|
||||
};
|
||||
let mut tobj_fields = methods
|
||||
.iter()
|
||||
.map(|(name, ty, _)| {
|
||||
@ -244,9 +263,7 @@ pub fn get_type_from_type_annotation_kinds(
|
||||
|
||||
Ok(unifier.add_ty(TypeEnum::TObj {
|
||||
obj_id: *id,
|
||||
//fields: RefCell::new(tobj_fields),
|
||||
fields: RefCell::new(HashMap::new()),
|
||||
// fields: Default::default(),
|
||||
fields: RefCell::new(tobj_fields),
|
||||
params: subst.into(),
|
||||
}))
|
||||
}
|
||||
@ -325,7 +342,13 @@ pub fn get_type_var_contained_in_type_annotation(ann: &TypeAnnotation) -> Vec<Ty
|
||||
result.extend(get_type_var_contained_in_type_annotation(p));
|
||||
}
|
||||
}
|
||||
_ => {}
|
||||
TypeAnnotation::ListKind(ann) => result.extend(get_type_var_contained_in_type_annotation(ann.as_ref())),
|
||||
TypeAnnotation::TupleKind(anns) => {
|
||||
for a in anns {
|
||||
result.extend(get_type_var_contained_in_type_annotation(a));
|
||||
}
|
||||
}
|
||||
TypeAnnotation::PrimitiveKind( .. ) => {}
|
||||
}
|
||||
result
|
||||
}
|
||||
|
||||
@ -714,8 +714,12 @@ impl Unifier {
|
||||
let name = obj_to_name(obj_id.0);
|
||||
let params = params.borrow();
|
||||
if !params.is_empty() {
|
||||
let mut params =
|
||||
params.values().map(|v| self.stringify(*v, obj_to_name, var_to_name));
|
||||
let params =
|
||||
params.iter().map(|(id, v)|
|
||||
format!("{}->{}", *id, self.stringify(*v, obj_to_name, var_to_name))
|
||||
);
|
||||
// NOTE: sort to preserve order
|
||||
let mut params = params.sorted();
|
||||
format!("{}[{}]", name, params.join(", "))
|
||||
} else {
|
||||
name
|
||||
|
||||
Loading…
Reference in New Issue
Block a user