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This commit is contained in:
Douglas Creager 2025-11-25 19:19:36 -05:00
parent 8890255e25
commit 37265cb49b
1 changed files with 16 additions and 0 deletions
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16
crates/ty_python_semantic/src/types/constraints.rs
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@ -1037,12 +1037,21 @@ impl<'db> Node<'db> {
Node::Interior(_) => {}
}
let q = self.display(db).to_string();
eprintln!("==> sat? {q}");
let mut inferable_domain = Node::AlwaysTrue;
let mut noninferable_domain = Node::AlwaysTrue;
let mut gradual_domain = Node::AlwaysTrue;
let mut gradual_bounds_typevars = Vec::default();
let mut add_typevar = |bound_typevar: BoundTypeVarInstance<'db>| {
let valid = bound_typevar.valid_specializations(db, inferable);
eprintln!(
" -> typevar {} inferable? {}",
bound_typevar.identity(db).display(db),
bound_typevar.is_inferable(db, inferable)
);
eprintln!(" valid {}", valid.valid.display(db));
eprintln!(" grad {}", valid.gradual_bounds.display(db));
if bound_typevar.is_inferable(db, inferable) {
inferable_domain = inferable_domain.and(db, valid.valid);
} else {
@ -1061,15 +1070,22 @@ impl<'db> Node<'db> {
}
});
eprintln!(" -> dom_inf {}", inferable_domain.display(db));
eprintln!(" dom_non {}", noninferable_domain.display(db));
eprintln!(" dom_grad {}", gradual_domain.display(db));
let restricted = self.and(db, inferable_domain);
eprintln!(" -> G {}", restricted.display(db));
let inferable_abstracted = restricted.exists(db, inferable.iter());
eprintln!(" -> E {}", inferable_abstracted.display(db));
let implies = noninferable_domain.implies(db, inferable_abstracted);
eprintln!(" -> imp {}", implies.display(db));
let gradual_abstracted = implies.exists(
db,
gradual_bounds_typevars
.iter()
.map(|bound_typevar| bound_typevar.identity(db)),
);
eprintln!(" -> imp' {}", gradual_abstracted.display(db));
gradual_abstracted.is_always_satisfied(db)
}