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nac3core: self is not not allowed to explicitly appear in method type annotations

escape-analysis
ychenfo 2021-09-08 21:53:54 +08:00
parent 1300b5ebdd
commit 5a1a8ecee3
2 changed files with 190 additions and 175 deletions
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195
nac3core/src/toplevel/mod.rs
View File

@ -135,6 +135,7 @@ impl TopLevelComposer {
"bool".into(),
"none".into(),
"None".into(),
"self".into(),
]),
defined_class_method_name: Default::default(),
defined_class_name: Default::default(),
@ -586,11 +587,9 @@ impl TopLevelComposer {
}
}
// println!("type_var_to_concrete_def2: {:?}", type_var_to_concrete_def);
// unification of previously assigned typevar
println!("type_var_to_concrete_def3: {:?}\n", type_var_to_concrete_def);
let mut ddddd: Vec<(Type, Type)> = Vec::new();
// unification of previously assigned typevar
for (ty, def) in type_var_to_concrete_def {
println!(
"{:?}_{} -> {:?}\n",
@ -604,23 +603,6 @@ impl TopLevelComposer {
let target_ty =
get_type_from_type_annotation_kinds(&temp_def_list, unifier, primitives, &def)?;
unifier.unify(ty, target_ty)?;
ddddd.push((ty, target_ty));
}
for (ty, tar_ty) in ddddd {
println!(
"{:?}_{} -> {:?}_{}",
ty,
unifier.stringify(ty,
&mut |id| format!("class{}", id),
&mut |id| format!("tvar{}", id)
),
tar_ty,
unifier.stringify(tar_ty,
&mut |id| format!("class{}", id),
&mut |id| format!("tvar{}", id)
),
)
}
Ok(())
@ -793,7 +775,7 @@ impl TopLevelComposer {
) -> Result<(), String> {
let mut class_def = class_def.write();
let (
class_id,
_class_id,
_class_name,
_class_bases_ast,
class_body_ast,
@ -862,126 +844,90 @@ impl TopLevelComposer {
and names thould not be the same as the keywords"
.into());
}
if name == "__init__" && !defined_paramter_name.contains("self") {
return Err(
"class __init__ function must contain the `self` parameter".into()
);
}
let mut result = Vec::new();
for x in &args.args {
let name = x.node.arg.clone();
if name != "self" {
let type_ann = {
let annotation_expr = x
.node
.annotation
.as_ref()
.ok_or_else(|| "type annotation needed".to_string())?
.as_ref();
parse_ast_to_type_annotation_kinds(
class_resolver.as_ref(),
temp_def_list,
unifier,
primitives,
annotation_expr,
)?
};
// find type vars within this method parameter type annotation
let type_vars_within =
get_type_var_contained_in_type_annotation(&type_ann);
// handle the class type var and the method type var
for type_var_within in type_vars_within {
if let TypeAnnotation::TypeVarKind(ty) = type_var_within {
let id = Self::get_var_id(ty, unifier)?;
if let Some(prev_ty) = method_var_map.insert(id, ty) {
// if already in the list, make sure they are the same?
assert_eq!(prev_ty, ty);
}
} else {
unreachable!("must be type var annotation");
let type_ann = {
let annotation_expr = x
.node
.annotation
.as_ref()
.ok_or_else(|| "type annotation needed".to_string())?
.as_ref();
parse_ast_to_type_annotation_kinds(
class_resolver.as_ref(),
temp_def_list,
unifier,
primitives,
annotation_expr,
)?
};
// find type vars within this method parameter type annotation
let type_vars_within =
get_type_var_contained_in_type_annotation(&type_ann);
// handle the class type var and the method type var
for type_var_within in type_vars_within {
if let TypeAnnotation::TypeVarKind(ty) = type_var_within {
let id = Self::get_var_id(ty, unifier)?;
if let Some(prev_ty) = method_var_map.insert(id, ty) {
// if already in the list, make sure they are the same?
assert_eq!(prev_ty, ty);
}
} else {
unreachable!("must be type var annotation");
}
// finish handling type vars
let dummy_func_arg = FuncArg {
name,
ty: unifier.get_fresh_var().0,
// TODO: symbol default value?
default_value: None,
};
// push the dummy type and the type annotation
// into the list for later unification
type_var_to_concrete_def.insert(dummy_func_arg.ty, type_ann.clone());
result.push(dummy_func_arg)
} else {
// if the parameter name is self
// python does not seem to enforce the name
// representing the self class object to be
// `self`??, but we do it here
let dummy_func_arg = FuncArg {
name: "self".into(),
ty: unifier.get_fresh_var().0,
default_value: None,
};
type_var_to_concrete_def.insert(
dummy_func_arg.ty,
make_self_type_annotation(class_type_vars_def.as_slice(), class_id),
);
result.push(dummy_func_arg);
}
// finish handling type vars
let dummy_func_arg = FuncArg {
name,
ty: unifier.get_fresh_var().0,
// TODO: symbol default value?
default_value: None,
};
// push the dummy type and the type annotation
// into the list for later unification
type_var_to_concrete_def.insert(dummy_func_arg.ty, type_ann.clone());
result.push(dummy_func_arg)
}
result
};
let ret_type = {
if name != "__init__" {
if let Some(result) = returns {
let result = result.as_ref();
let annotation = parse_ast_to_type_annotation_kinds(
class_resolver.as_ref(),
temp_def_list,
unifier,
primitives,
result,
)?;
// find type vars within this return type annotation
let type_vars_within =
get_type_var_contained_in_type_annotation(&annotation);
// handle the class type var and the method type var
for type_var_within in type_vars_within {
if let TypeAnnotation::TypeVarKind(ty) = type_var_within {
let id = Self::get_var_id(ty, unifier)?;
if let Some(prev_ty) = method_var_map.insert(id, ty) {
// if already in the list, make sure they are the same?
assert_eq!(prev_ty, ty);
}
} else {
unreachable!("must be type var annotation");
if let Some(result) = returns {
let result = result.as_ref();
let annotation = parse_ast_to_type_annotation_kinds(
class_resolver.as_ref(),
temp_def_list,
unifier,
primitives,
result,
)?;
// find type vars within this return type annotation
let type_vars_within =
get_type_var_contained_in_type_annotation(&annotation);
// handle the class type var and the method type var
for type_var_within in type_vars_within {
if let TypeAnnotation::TypeVarKind(ty) = type_var_within {
let id = Self::get_var_id(ty, unifier)?;
if let Some(prev_ty) = method_var_map.insert(id, ty) {
// if already in the list, make sure they are the same?
assert_eq!(prev_ty, ty);
}
} else {
unreachable!("must be type var annotation");
}
let dummy_return_type = unifier.get_fresh_var().0;
type_var_to_concrete_def.insert(dummy_return_type, annotation.clone());
dummy_return_type
} else {
// if do not have return annotation, return none
// for uniform handling, still use type annoatation
let dummy_return_type = unifier.get_fresh_var().0;
type_var_to_concrete_def.insert(
dummy_return_type,
TypeAnnotation::PrimitiveKind(primitives.none),
);
dummy_return_type
}
let dummy_return_type = unifier.get_fresh_var().0;
type_var_to_concrete_def.insert(dummy_return_type, annotation.clone());
dummy_return_type
} else {
// if is the "__init__" function, the return type is self
// if do not have return annotation, return none
// for uniform handling, still use type annoatation
let dummy_return_type = unifier.get_fresh_var().0;
type_var_to_concrete_def.insert(
dummy_return_type,
make_self_type_annotation(class_type_vars_def.as_slice(), class_id),
TypeAnnotation::PrimitiveKind(primitives.none),
);
dummy_return_type
}
@ -1041,7 +987,8 @@ impl TopLevelComposer {
unreachable!("must be type var annotation");
}
}
// TODO: allow class have field which type refers to Self type?
type_var_to_concrete_def
.insert(dummy_field_type, annotation);
} else {

170
nac3core/src/toplevel/test.rs
View File

@ -156,23 +156,23 @@ fn test_simple_function_analyze(source: Vec<&str>, tys: Vec<&str>, names: Vec<&s
vec![
indoc! {"
class A():
def __init__(self):
def __init__():
self.a: int32 = 3
def fun(self, b: B):
def fun(b: B):
pass
def foo(self, a: T, b: V):
def foo(a: T, b: V):
pass
"},
indoc! {"
class B(C):
def __init__(self):
def __init__():
pass
"},
indoc! {"
class C(A):
def __init__(self):
def __init__():
pass
def fun(self, b: B):
def fun(b: B):
a = 1
pass
"},
@ -190,82 +190,149 @@ fn test_simple_function_analyze(source: Vec<&str>, tys: Vec<&str>, names: Vec<&s
name: \"A\",
def_id: DefinitionId(5),
ancestors: [CustomClassKind { id: DefinitionId(5), params: [] }],
fields: [(\"a\", \"0\")],
methods: [(\"__init__\", \"fn[[self=5], 5]\", DefinitionId(6)), (\"fun\", \"fn[[self=5, b=9], 4]\", DefinitionId(7))],
fields: [(\"a\", \"class0\")],
methods: [(\"__init__\", \"fn[[], class4]\", DefinitionId(6)), (\"fun\", \"fn[[b=class10], class4]\", DefinitionId(7)), (\"foo\", \"fn[[a=tvar2, b=tvar3], class4]\", DefinitionId(8))],
type_vars: []
}"},
indoc! {"6: Function {
name: \"A__init__\",
sig: \"fn[[self=5], 5]\",
sig: \"fn[[], class4]\",
var_id: []
}"},
indoc! {"7: Function {
name: \"Afun\",
sig: \"fn[[self=5, b=9], 4]\",
sig: \"fn[[b=class10], class4]\",
var_id: []
}"},
indoc! {"8: Initializer { DefinitionId(5) }"},
indoc! {"8: Function {
name: \"Afoo\",
sig: \"fn[[a=tvar2, b=tvar3], class4]\",
var_id: [2, 3]
}"},
indoc! {"9: Class {
indoc! {"9: Initializer { DefinitionId(5) }"},
indoc! {"10: Class {
name: \"B\",
def_id: DefinitionId(9),
ancestors: [CustomClassKind { id: DefinitionId(9), params: [] }, CustomClassKind { id: DefinitionId(12), params: [] }, CustomClassKind { id: DefinitionId(5), params: [] }],
fields: [(\"a\", \"0\")],
methods: [(\"__init__\", \"fn[[self=9], 9]\", DefinitionId(10)), (\"fun\", \"fn[[self=12, b=9], 4]\", DefinitionId(14))],
def_id: DefinitionId(10),
ancestors: [CustomClassKind { id: DefinitionId(10), params: [] }, CustomClassKind { id: DefinitionId(13), params: [] }, CustomClassKind { id: DefinitionId(5), params: [] }],
fields: [(\"a\", \"class0\")],
methods: [(\"__init__\", \"fn[[], class4]\", DefinitionId(11)), (\"fun\", \"fn[[b=class10], class4]\", DefinitionId(15)), (\"foo\", \"fn[[a=tvar2, b=tvar3], class4]\", DefinitionId(8))],
type_vars: []
}"},
indoc! {"10: Function {
indoc! {"11: Function {
name: \"B__init__\",
sig: \"fn[[self=9], 9]\",
sig: \"fn[[], class4]\",
var_id: []
}"},
indoc! {"11: Initializer { DefinitionId(9) }"},
indoc! {"12: Initializer { DefinitionId(10) }"},
indoc! {"12: Class {
indoc! {"13: Class {
name: \"C\",
def_id: DefinitionId(12),
ancestors: [CustomClassKind { id: DefinitionId(12), params: [] }, CustomClassKind { id: DefinitionId(5), params: [] }],
fields: [(\"a\", \"0\")],
methods: [(\"__init__\", \"fn[[self=12], 12]\", DefinitionId(13)), (\"fun\", \"fn[[self=12, b=9], 4]\", DefinitionId(14))],
def_id: DefinitionId(13),
ancestors: [CustomClassKind { id: DefinitionId(13), params: [] }, CustomClassKind { id: DefinitionId(5), params: [] }],
fields: [(\"a\", \"class0\")],
methods: [(\"__init__\", \"fn[[], class4]\", DefinitionId(14)), (\"fun\", \"fn[[b=class10], class4]\", DefinitionId(15)), (\"foo\", \"fn[[a=tvar2, b=tvar3], class4]\", DefinitionId(8))],
type_vars: []
}"},
indoc! {"13: Function {
name: \"C__init__\",
sig: \"fn[[self=12], 12]\",
var_id: []
}"},
indoc! {"14: Function {
name: \"Cfun\",
sig: \"fn[[self=12, b=9], 4]\",
name: \"C__init__\",
sig: \"fn[[], class4]\",
var_id: []
}"},
indoc! {"15: Initializer { DefinitionId(12) }"},
indoc! {"16: Function {
name: \"foo\",
sig: \"fn[[a=5], 4]\",
indoc! {"15: Function {
name: \"Cfun\",
sig: \"fn[[b=class10], class4]\",
var_id: []
}"},
indoc! {"16: Initializer { DefinitionId(13) }"},
indoc! {"17: Function {
name: \"foo\",
sig: \"fn[[a=class5], class4]\",
var_id: []
}"},
indoc! {"18: Function {
name: \"ff\",
sig: \"fn[[a=tvar2], tvar3]\",
var_id: [2, 3]
}"},
];
"simple class compose"
)]
#[test_case(
vec![
indoc! {"
class Generic_A(Generic[T, V]):
class Generic_A(Generic[V], B):
def __init__():
self.a: int64 = 123123123123
def fun(a: int32) -> V:
pass
"},
indoc! {"
class B:
def __init__():
self.aa: bool = False
def foo(b: T):
pass
"}
],
vec![];
vec![
indoc! {"5: Class {
name: \"Generic_A\",
def_id: DefinitionId(5),
ancestors: [CustomClassKind { id: DefinitionId(5), params: [TypeVarKind(UnificationKey(101))] }, CustomClassKind { id: DefinitionId(9), params: [] }],
fields: [(\"aa\", \"class3\"), (\"a\", \"class1\")],
methods: [(\"__init__\", \"fn[[], class4]\", DefinitionId(6)), (\"foo\", \"fn[[b=tvar2], class4]\", DefinitionId(11)), (\"fun\", \"fn[[a=class0], tvar3]\", DefinitionId(7))],
type_vars: [UnificationKey(101)]
}"},
indoc! {"6: Function {
name: \"Generic_A__init__\",
sig: \"fn[[], class4]\",
var_id: [3]
}"},
indoc! {"7: Function {
name: \"Generic_Afun\",
sig: \"fn[[a=class0], tvar3]\",
var_id: [3]
}"},
indoc! {"8: Initializer { DefinitionId(5) }"},
indoc! {"9: Class {
name: \"B\",
def_id: DefinitionId(9),
ancestors: [CustomClassKind { id: DefinitionId(9), params: [] }],
fields: [(\"aa\", \"class3\")],
methods: [(\"__init__\", \"fn[[], class4]\", DefinitionId(10)), (\"foo\", \"fn[[b=tvar2], class4]\", DefinitionId(11))],
type_vars: []
}"},
indoc! {"10: Function {
name: \"B__init__\",
sig: \"fn[[], class4]\",
var_id: []
}"},
indoc! {"11: Function {
name: \"Bfoo\",
sig: \"fn[[b=tvar2], class4]\",
var_id: [2]
}"},
indoc! {"12: Initializer { DefinitionId(9) }"},
];
"generic class"
)]
fn test_simple_class_analyze(source: Vec<&str>, res: Vec<&str>) {
@ -275,6 +342,7 @@ fn test_simple_class_analyze(source: Vec<&str>, res: Vec<&str>) {
let tvar_v = composer
.unifier
.get_fresh_var_with_range(&[composer.primitives_ty.bool, composer.primitives_ty.int32]);
println!("t: {}, {:?}", tvar_t.1, tvar_t.0);
println!("v: {}, {:?}\n", tvar_v.1, tvar_v.0);
@ -311,17 +379,17 @@ fn test_simple_class_analyze(source: Vec<&str>, res: Vec<&str>) {
// &mut |id| format!("tvar{}", id)
// )
// );
// assert_eq!(
// format!(
// "{}: {}",
// i + 5,
// def.to_string(
// composer.unifier.borrow_mut(),
// &mut |id| id.to_string(),
// &mut |id| id.to_string()
// )
// ),
// res[i]
// )
assert_eq!(
format!(
"{}: {}",
i + 5,
def.to_string(
composer.unifier.borrow_mut(),
&mut |id| format!("class{}", id.to_string()),
&mut |id| format!("tvar{}", id.to_string()),
)
),
res[i]
)
}
}