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added virtual test

This commit is contained in:
pca006132 2021-07-27 11:58:35 +08:00
parent 1d13b16f94
commit 5f0490cd84
2 changed files with 91 additions and 17 deletions
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4
nac3core/src/typecheck/type_inferencer/mod.rs
View File

@ -28,6 +28,7 @@ pub struct PrimitiveStore {
pub struct Inferencer<'a> {
pub resolver: &'a mut Box<dyn SymbolResolver>,
pub unifier: &'a mut Unifier,
pub virtual_checks: &'a mut Vec<(Type, Type)>,
pub variable_mapping: HashMap<String, Type>,
pub calls: &'a mut Vec<Rc<Call>>,
pub primitives: &'a PrimitiveStore,
@ -208,6 +209,7 @@ impl<'a> Inferencer<'a> {
let mut new_context = Inferencer {
resolver: self.resolver,
unifier: self.unifier,
virtual_checks: self.virtual_checks,
variable_mapping,
calls: self.calls,
primitives: self.primitives,
@ -250,6 +252,7 @@ impl<'a> Inferencer<'a> {
let mut new_context = Inferencer {
resolver: self.resolver,
unifier: self.unifier,
virtual_checks: self.virtual_checks,
variable_mapping,
calls: self.calls,
primitives: self.primitives,
@ -318,6 +321,7 @@ impl<'a> Inferencer<'a> {
} else {
self.unifier.get_fresh_var().0
};
self.virtual_checks.push((arg0.custom.unwrap(), ty));
let custom = Some(self.unifier.add_ty(TypeEnum::TVirtual { ty }));
return Ok(Located {
location,

102
nac3core/src/typecheck/type_inferencer/test.rs
View File

@ -3,12 +3,14 @@ use super::super::symbol_resolver::*;
use super::super::typedef::*;
use super::*;
use indoc::indoc;
use itertools::zip;
use rustpython_parser::ast;
use rustpython_parser::parser::parse_program;
use test_case::test_case;
struct Resolver {
identifier_mapping: HashMap<String, Type>,
class_names: HashMap<String, Type>,
}
impl SymbolResolver for Resolver {
@ -16,9 +18,13 @@ impl SymbolResolver for Resolver {
self.identifier_mapping.get(str).cloned()
}
fn parse_type_name(&mut self, _: &ast::Expr<()>) -> Option<Type> {
fn parse_type_name(&mut self, ty: &ast::Expr<()>) -> Option<Type> {
if let ExprKind::Name { id, .. } = &ty.node {
self.class_names.get(id).cloned()
} else {
unimplemented!()
}
}
fn get_symbol_value(&mut self, _: &str) -> Option<SymbolValue> {
unimplemented!()
@ -36,6 +42,7 @@ struct TestEnvironment {
pub primitives: PrimitiveStore,
pub id_to_name: HashMap<usize, String>,
pub identifier_mapping: HashMap<String, Type>,
pub virtual_checks: Vec<(Type, Type)>,
}
impl TestEnvironment {
@ -69,13 +76,7 @@ impl TestEnvironment {
});
identifier_mapping.insert("None".into(), none);
let primitives = PrimitiveStore {
int32,
int64,
float,
bool,
none,
};
let primitives = PrimitiveStore { int32, int64, float, bool, none };
let (v0, id) = unifier.get_fresh_var();
@ -94,6 +95,40 @@ impl TestEnvironment {
})),
);
let fun = unifier.add_ty(TypeEnum::TFunc(FunSignature {
args: vec![],
ret: int32,
vars: Default::default(),
}));
let bar = unifier.add_ty(TypeEnum::TObj {
obj_id: 6,
fields: [("a".into(), int32), ("b".into(), fun)].iter().cloned().collect(),
params: Default::default(),
});
identifier_mapping.insert(
"Bar".into(),
unifier.add_ty(TypeEnum::TFunc(FunSignature {
args: vec![],
ret: bar,
vars: Default::default(),
})),
);
let bar2 = unifier.add_ty(TypeEnum::TObj {
obj_id: 7,
fields: [("a".into(), bool), ("b".into(), fun)].iter().cloned().collect(),
params: Default::default(),
});
identifier_mapping.insert(
"Bar2".into(),
unifier.add_ty(TypeEnum::TFunc(FunSignature {
args: vec![],
ret: bar2,
vars: Default::default(),
})),
);
let class_names = [("Bar".into(), bar), ("Bar2".into(), bar2)].iter().cloned().collect();
let id_to_name = [
(0, "int32".to_string()),
(1, "int64".to_string()),
@ -101,12 +136,16 @@ impl TestEnvironment {
(3, "bool".to_string()),
(4, "none".to_string()),
(5, "Foo".to_string()),
(6, "Bar".to_string()),
(7, "Bar2".to_string()),
]
.iter()
.cloned()
.collect();
let resolver = Box::new(Resolver { identifier_mapping: identifier_mapping.clone() }) as Box<dyn SymbolResolver>;
let resolver =
Box::new(Resolver { identifier_mapping: identifier_mapping.clone(), class_names })
as Box<dyn SymbolResolver>;
TestEnvironment {
unifier,
@ -115,6 +154,7 @@ impl TestEnvironment {
id_to_name,
identifier_mapping,
calls: Vec::new(),
virtual_checks: Vec::new(),
}
}
@ -125,7 +165,8 @@ impl TestEnvironment {
variable_mapping: Default::default(),
calls: &mut self.calls,
primitives: &mut self.primitives,
return_type: None
virtual_checks: &mut self.virtual_checks,
return_type: None,
}
}
}
@ -136,7 +177,8 @@ impl TestEnvironment {
c = 1.234
d = True
"},
[("a", "int32"), ("b", "int64"), ("c", "float"), ("d", "bool")].iter().cloned().collect()
[("a", "int32"), ("b", "int64"), ("c", "float"), ("d", "bool")].iter().cloned().collect(),
&[]
; "primitives test")]
#[test_case(indoc! {"
a = lambda x, y: x
@ -144,7 +186,8 @@ impl TestEnvironment {
c = 1.234
d = b(c)
"},
[("a", "fn[[x=float, y=float], float]"), ("b", "fn[[x=float], float]"), ("c", "float"), ("d", "float")].iter().cloned().collect()
[("a", "fn[[x=float, y=float], float]"), ("b", "fn[[x=float], float]"), ("c", "float"), ("d", "float")].iter().cloned().collect(),
&[]
; "lambda test")]
#[test_case(indoc! {"
a = lambda x: x
@ -160,20 +203,31 @@ impl TestEnvironment {
"},
[("a", "fn[[x=bool], bool]"), ("b", "fn[[x=int32], int32]"), ("c", "bool"),
("d", "int32"), ("foo1", "Foo[bool]"), ("foo2", "Foo[int32]")].iter().cloned().collect()
("d", "int32"), ("foo1", "Foo[bool]"), ("foo2", "Foo[int32]")].iter().cloned().collect(),
&[]
; "obj test")]
#[test_case(indoc! {"
f = lambda x: True
a = [1, 2, 3]
b = [f(x) for x in a if f(x)]
"},
[("a", "list[int32]"), ("b", "list[bool]"), ("f", "fn[[x=int32], bool]")].iter().cloned().collect()
[("a", "list[int32]"), ("b", "list[bool]"), ("f", "fn[[x=int32], bool]")].iter().cloned().collect(),
&[]
; "listcomp test")]
fn test_basic(source: &str, mapping: HashMap<&str, &str>) {
#[test_case(indoc! {"
a = virtual(Bar(), Bar)
b = a.b()
a = virtual(Bar2())
"},
[("a", "virtual[Bar]"), ("b", "int32")].iter().cloned().collect(),
&[("Bar", "Bar"), ("Bar2", "Bar")]
; "virtual test")]
fn test_basic(source: &str, mapping: HashMap<&str, &str>, virtuals: &[(&str, &str)]) {
println!("source:\n{}", source);
let mut env = TestEnvironment::new();
let id_to_name = std::mem::take(&mut env.id_to_name);
let mut defined_identifiers = env.identifier_mapping.keys().cloned().collect();
let mut defined_identifiers: Vec<_> = env.identifier_mapping.keys().cloned().collect();
defined_identifiers.push("virtual".to_string());
let mut inferencer = env.get_inferencer();
let statements = parse_program(source).unwrap();
let statements = statements
@ -201,4 +255,20 @@ fn test_basic(source: &str, mapping: HashMap<&str, &str>) {
);
assert_eq!(format!("{}: {}", k, v), format!("{}: {}", k, name));
}
assert_eq!(inferencer.virtual_checks.len(), virtuals.len());
for ((a, b), (x, y)) in zip(inferencer.virtual_checks.iter(), virtuals) {
let a = inferencer.unifier.stringify(
*a,
&mut |v| id_to_name.get(&v).unwrap().clone(),
&mut |v| format!("v{}", v),
);
let b = inferencer.unifier.stringify(
*b,
&mut |v| id_to_name.get(&v).unwrap().clone(),
&mut |v| format!("v{}", v),
);
assert_eq!(&a, x);
assert_eq!(&b, y);
}
}