forked from M-Labs/nac3
nac3core: self is not not allowed to explicitly appear in method type annotations
This commit is contained in:
parent
1300b5ebdd
commit
5a1a8ecee3
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@ -135,6 +135,7 @@ impl TopLevelComposer {
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"bool".into(),
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"none".into(),
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"None".into(),
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"self".into(),
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]),
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defined_class_method_name: Default::default(),
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defined_class_name: Default::default(),
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@ -586,11 +587,9 @@ impl TopLevelComposer {
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}
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}
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// println!("type_var_to_concrete_def2: {:?}", type_var_to_concrete_def);
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println!("type_var_to_concrete_def3: {:?}\n", type_var_to_concrete_def);
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// unification of previously assigned typevar
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println!("type_var_to_concrete_def3: {:?}\n", type_var_to_concrete_def);
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let mut ddddd: Vec<(Type, Type)> = Vec::new();
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for (ty, def) in type_var_to_concrete_def {
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println!(
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"{:?}_{} -> {:?}\n",
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@ -604,23 +603,6 @@ impl TopLevelComposer {
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let target_ty =
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get_type_from_type_annotation_kinds(&temp_def_list, unifier, primitives, &def)?;
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unifier.unify(ty, target_ty)?;
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ddddd.push((ty, target_ty));
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}
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for (ty, tar_ty) in ddddd {
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println!(
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"{:?}_{} -> {:?}_{}",
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ty,
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unifier.stringify(ty,
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&mut |id| format!("class{}", id),
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&mut |id| format!("tvar{}", id)
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),
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tar_ty,
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unifier.stringify(tar_ty,
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&mut |id| format!("class{}", id),
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&mut |id| format!("tvar{}", id)
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),
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)
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}
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Ok(())
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@ -793,7 +775,7 @@ impl TopLevelComposer {
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) -> Result<(), String> {
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let mut class_def = class_def.write();
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let (
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class_id,
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_class_id,
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_class_name,
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_class_bases_ast,
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class_body_ast,
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@ -862,16 +844,10 @@ impl TopLevelComposer {
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and names thould not be the same as the keywords"
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.into());
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}
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if name == "__init__" && !defined_paramter_name.contains("self") {
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return Err(
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"class __init__ function must contain the `self` parameter".into()
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);
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}
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let mut result = Vec::new();
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for x in &args.args {
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let name = x.node.arg.clone();
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if name != "self" {
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let type_ann = {
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let annotation_expr = x
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.node
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@ -887,7 +863,6 @@ impl TopLevelComposer {
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annotation_expr,
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)?
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};
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// find type vars within this method parameter type annotation
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let type_vars_within =
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get_type_var_contained_in_type_annotation(&type_ann);
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@ -903,7 +878,6 @@ impl TopLevelComposer {
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unreachable!("must be type var annotation");
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}
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}
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// finish handling type vars
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let dummy_func_arg = FuncArg {
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name,
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@ -915,28 +889,11 @@ impl TopLevelComposer {
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// into the list for later unification
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type_var_to_concrete_def.insert(dummy_func_arg.ty, type_ann.clone());
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result.push(dummy_func_arg)
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} else {
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// if the parameter name is self
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// python does not seem to enforce the name
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// representing the self class object to be
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// `self`??, but we do it here
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let dummy_func_arg = FuncArg {
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name: "self".into(),
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ty: unifier.get_fresh_var().0,
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default_value: None,
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};
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type_var_to_concrete_def.insert(
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dummy_func_arg.ty,
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make_self_type_annotation(class_type_vars_def.as_slice(), class_id),
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);
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result.push(dummy_func_arg);
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}
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}
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result
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};
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let ret_type = {
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if name != "__init__" {
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if let Some(result) = returns {
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let result = result.as_ref();
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let annotation = parse_ast_to_type_annotation_kinds(
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@ -946,7 +903,6 @@ impl TopLevelComposer {
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primitives,
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result,
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)?;
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// find type vars within this return type annotation
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let type_vars_within =
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get_type_var_contained_in_type_annotation(&annotation);
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@ -962,7 +918,6 @@ impl TopLevelComposer {
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unreachable!("must be type var annotation");
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}
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}
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let dummy_return_type = unifier.get_fresh_var().0;
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type_var_to_concrete_def.insert(dummy_return_type, annotation.clone());
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dummy_return_type
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@ -976,15 +931,6 @@ impl TopLevelComposer {
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);
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dummy_return_type
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}
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} else {
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// if is the "__init__" function, the return type is self
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let dummy_return_type = unifier.get_fresh_var().0;
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type_var_to_concrete_def.insert(
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dummy_return_type,
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make_self_type_annotation(class_type_vars_def.as_slice(), class_id),
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);
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dummy_return_type
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}
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};
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if let TopLevelDef::Function { var_id, .. } =
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@ -1042,6 +988,7 @@ impl TopLevelComposer {
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}
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}
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// TODO: allow class have field which type refers to Self type?
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type_var_to_concrete_def
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.insert(dummy_field_type, annotation);
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} else {
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@ -156,23 +156,23 @@ fn test_simple_function_analyze(source: Vec<&str>, tys: Vec<&str>, names: Vec<&s
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vec![
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indoc! {"
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class A():
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def __init__(self):
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def __init__():
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self.a: int32 = 3
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def fun(self, b: B):
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def fun(b: B):
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pass
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def foo(self, a: T, b: V):
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def foo(a: T, b: V):
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pass
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"},
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indoc! {"
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class B(C):
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def __init__(self):
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def __init__():
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pass
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"},
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indoc! {"
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class C(A):
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def __init__(self):
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def __init__():
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pass
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def fun(self, b: B):
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def fun(b: B):
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a = 1
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pass
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"},
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@ -190,82 +190,149 @@ fn test_simple_function_analyze(source: Vec<&str>, tys: Vec<&str>, names: Vec<&s
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name: \"A\",
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def_id: DefinitionId(5),
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ancestors: [CustomClassKind { id: DefinitionId(5), params: [] }],
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fields: [(\"a\", \"0\")],
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methods: [(\"__init__\", \"fn[[self=5], 5]\", DefinitionId(6)), (\"fun\", \"fn[[self=5, b=9], 4]\", DefinitionId(7))],
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fields: [(\"a\", \"class0\")],
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methods: [(\"__init__\", \"fn[[], class4]\", DefinitionId(6)), (\"fun\", \"fn[[b=class10], class4]\", DefinitionId(7)), (\"foo\", \"fn[[a=tvar2, b=tvar3], class4]\", DefinitionId(8))],
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type_vars: []
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}"},
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indoc! {"6: Function {
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name: \"A__init__\",
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sig: \"fn[[self=5], 5]\",
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sig: \"fn[[], class4]\",
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var_id: []
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}"},
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indoc! {"7: Function {
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name: \"Afun\",
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sig: \"fn[[self=5, b=9], 4]\",
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sig: \"fn[[b=class10], class4]\",
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var_id: []
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}"},
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indoc! {"8: Initializer { DefinitionId(5) }"},
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indoc! {"8: Function {
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name: \"Afoo\",
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sig: \"fn[[a=tvar2, b=tvar3], class4]\",
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var_id: [2, 3]
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}"},
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indoc! {"9: Class {
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indoc! {"9: Initializer { DefinitionId(5) }"},
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indoc! {"10: Class {
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name: \"B\",
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def_id: DefinitionId(9),
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ancestors: [CustomClassKind { id: DefinitionId(9), params: [] }, CustomClassKind { id: DefinitionId(12), params: [] }, CustomClassKind { id: DefinitionId(5), params: [] }],
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fields: [(\"a\", \"0\")],
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methods: [(\"__init__\", \"fn[[self=9], 9]\", DefinitionId(10)), (\"fun\", \"fn[[self=12, b=9], 4]\", DefinitionId(14))],
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def_id: DefinitionId(10),
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ancestors: [CustomClassKind { id: DefinitionId(10), params: [] }, CustomClassKind { id: DefinitionId(13), params: [] }, CustomClassKind { id: DefinitionId(5), params: [] }],
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fields: [(\"a\", \"class0\")],
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methods: [(\"__init__\", \"fn[[], class4]\", DefinitionId(11)), (\"fun\", \"fn[[b=class10], class4]\", DefinitionId(15)), (\"foo\", \"fn[[a=tvar2, b=tvar3], class4]\", DefinitionId(8))],
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type_vars: []
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}"},
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indoc! {"10: Function {
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indoc! {"11: Function {
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name: \"B__init__\",
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sig: \"fn[[self=9], 9]\",
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sig: \"fn[[], class4]\",
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var_id: []
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}"},
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indoc! {"11: Initializer { DefinitionId(9) }"},
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indoc! {"12: Initializer { DefinitionId(10) }"},
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indoc! {"12: Class {
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indoc! {"13: Class {
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name: \"C\",
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def_id: DefinitionId(12),
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ancestors: [CustomClassKind { id: DefinitionId(12), params: [] }, CustomClassKind { id: DefinitionId(5), params: [] }],
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fields: [(\"a\", \"0\")],
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methods: [(\"__init__\", \"fn[[self=12], 12]\", DefinitionId(13)), (\"fun\", \"fn[[self=12, b=9], 4]\", DefinitionId(14))],
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def_id: DefinitionId(13),
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ancestors: [CustomClassKind { id: DefinitionId(13), params: [] }, CustomClassKind { id: DefinitionId(5), params: [] }],
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fields: [(\"a\", \"class0\")],
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methods: [(\"__init__\", \"fn[[], class4]\", DefinitionId(14)), (\"fun\", \"fn[[b=class10], class4]\", DefinitionId(15)), (\"foo\", \"fn[[a=tvar2, b=tvar3], class4]\", DefinitionId(8))],
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type_vars: []
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}"},
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indoc! {"13: Function {
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name: \"C__init__\",
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sig: \"fn[[self=12], 12]\",
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var_id: []
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}"},
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indoc! {"14: Function {
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name: \"Cfun\",
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sig: \"fn[[self=12, b=9], 4]\",
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name: \"C__init__\",
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sig: \"fn[[], class4]\",
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var_id: []
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}"},
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indoc! {"15: Initializer { DefinitionId(12) }"},
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indoc! {"16: Function {
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name: \"foo\",
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sig: \"fn[[a=5], 4]\",
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indoc! {"15: Function {
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name: \"Cfun\",
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sig: \"fn[[b=class10], class4]\",
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var_id: []
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}"},
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indoc! {"16: Initializer { DefinitionId(13) }"},
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indoc! {"17: Function {
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name: \"foo\",
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sig: \"fn[[a=class5], class4]\",
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var_id: []
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}"},
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indoc! {"18: Function {
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name: \"ff\",
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sig: \"fn[[a=tvar2], tvar3]\",
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var_id: [2, 3]
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}"},
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];
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"simple class compose"
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)]
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#[test_case(
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vec![
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indoc! {"
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class Generic_A(Generic[T, V]):
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class Generic_A(Generic[V], B):
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def __init__():
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self.a: int64 = 123123123123
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def fun(a: int32) -> V:
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pass
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"},
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indoc! {"
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class B:
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def __init__():
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self.aa: bool = False
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def foo(b: T):
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pass
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"}
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],
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vec![];
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vec![
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indoc! {"5: Class {
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name: \"Generic_A\",
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def_id: DefinitionId(5),
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ancestors: [CustomClassKind { id: DefinitionId(5), params: [TypeVarKind(UnificationKey(101))] }, CustomClassKind { id: DefinitionId(9), params: [] }],
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fields: [(\"aa\", \"class3\"), (\"a\", \"class1\")],
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methods: [(\"__init__\", \"fn[[], class4]\", DefinitionId(6)), (\"foo\", \"fn[[b=tvar2], class4]\", DefinitionId(11)), (\"fun\", \"fn[[a=class0], tvar3]\", DefinitionId(7))],
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type_vars: [UnificationKey(101)]
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}"},
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indoc! {"6: Function {
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name: \"Generic_A__init__\",
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sig: \"fn[[], class4]\",
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var_id: [3]
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}"},
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indoc! {"7: Function {
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name: \"Generic_Afun\",
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sig: \"fn[[a=class0], tvar3]\",
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var_id: [3]
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}"},
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indoc! {"8: Initializer { DefinitionId(5) }"},
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indoc! {"9: Class {
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name: \"B\",
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def_id: DefinitionId(9),
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ancestors: [CustomClassKind { id: DefinitionId(9), params: [] }],
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fields: [(\"aa\", \"class3\")],
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methods: [(\"__init__\", \"fn[[], class4]\", DefinitionId(10)), (\"foo\", \"fn[[b=tvar2], class4]\", DefinitionId(11))],
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type_vars: []
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}"},
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indoc! {"10: Function {
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name: \"B__init__\",
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sig: \"fn[[], class4]\",
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var_id: []
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}"},
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indoc! {"11: Function {
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name: \"Bfoo\",
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sig: \"fn[[b=tvar2], class4]\",
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var_id: [2]
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}"},
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indoc! {"12: Initializer { DefinitionId(9) }"},
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];
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"generic class"
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)]
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fn test_simple_class_analyze(source: Vec<&str>, res: Vec<&str>) {
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@ -275,6 +342,7 @@ fn test_simple_class_analyze(source: Vec<&str>, res: Vec<&str>) {
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let tvar_v = composer
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.unifier
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.get_fresh_var_with_range(&[composer.primitives_ty.bool, composer.primitives_ty.int32]);
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println!("t: {}, {:?}", tvar_t.1, tvar_t.0);
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println!("v: {}, {:?}\n", tvar_v.1, tvar_v.0);
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@ -311,17 +379,17 @@ fn test_simple_class_analyze(source: Vec<&str>, res: Vec<&str>) {
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// &mut |id| format!("tvar{}", id)
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// )
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// );
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// assert_eq!(
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// format!(
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// "{}: {}",
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// i + 5,
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// def.to_string(
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// composer.unifier.borrow_mut(),
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// &mut |id| id.to_string(),
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// &mut |id| id.to_string()
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// )
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// ),
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// res[i]
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// )
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assert_eq!(
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format!(
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"{}: {}",
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i + 5,
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def.to_string(
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composer.unifier.borrow_mut(),
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&mut |id| format!("class{}", id.to_string()),
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&mut |id| format!("tvar{}", id.to_string()),
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)
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),
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res[i]
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)
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}
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}
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