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[red-knot] [minor] Improve helper methods for builtin types (#13594)

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Alex Waygood 2024-10-01 18:38:33 +01:00 • committed by GitHub
parent edba60106b
commit 73e884b232
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3 changed files with 19 additions and 15 deletions
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12
crates/red_knot_python_semantic/src/types.rs
View file

@ -385,8 +385,12 @@ impl<'db> Type<'db> {
}
}
pub fn builtin_str(db: &'db dyn Db) -> Self {
builtins_symbol_ty(db, "str")
pub fn builtin_str_instance(db: &'db dyn Db) -> Self {
builtins_symbol_ty(db, "str").to_instance(db)
}
pub fn builtin_int_instance(db: &'db dyn Db) -> Self {
builtins_symbol_ty(db, "int").to_instance(db)
}
pub fn is_stdlib_symbol(&self, db: &'db dyn Db, module_name: &str, name: &str) -> bool {
@ -777,7 +781,7 @@ impl<'db> Type<'db> {
Type::IntLiteral(_) | Type::BooleanLiteral(_) => self.repr(db),
Type::StringLiteral(_) | Type::LiteralString => *self,
// TODO: handle more complex types
_ => Type::builtin_str(db).to_instance(db),
_ => Type::builtin_str_instance(db),
}
}
@ -800,7 +804,7 @@ impl<'db> Type<'db> {
})),
Type::LiteralString => Type::LiteralString,
// TODO: handle more complex types
_ => Type::builtin_str(db).to_instance(db),
_ => Type::builtin_str_instance(db),
}
}
}

8
crates/red_knot_python_semantic/src/types/builder.rs
View file

@ -389,7 +389,7 @@ mod tests {
#[test]
fn build_union_simplify_subtype() {
let db = setup_db();
let t0 = builtins_symbol_ty(&db, "str").to_instance(&db);
let t0 = Type::builtin_str_instance(&db);
let t1 = Type::LiteralString;
let u0 = UnionType::from_elements(&db, [t0, t1]);
let u1 = UnionType::from_elements(&db, [t1, t0]);
@ -401,7 +401,7 @@ mod tests {
#[test]
fn build_union_no_simplify_unknown() {
let db = setup_db();
let t0 = builtins_symbol_ty(&db, "str").to_instance(&db);
let t0 = Type::builtin_str_instance(&db);
let t1 = Type::Unknown;
let u0 = UnionType::from_elements(&db, [t0, t1]);
let u1 = UnionType::from_elements(&db, [t1, t0]);
@ -413,8 +413,8 @@ mod tests {
#[test]
fn build_union_subsume_multiple() {
let db = setup_db();
let str_ty = builtins_symbol_ty(&db, "str").to_instance(&db);
let int_ty = builtins_symbol_ty(&db, "int").to_instance(&db);
let str_ty = Type::builtin_str_instance(&db);
let int_ty = Type::builtin_int_instance(&db);
let object_ty = builtins_symbol_ty(&db, "object").to_instance(&db);
let unknown_ty = Type::Unknown;

14
crates/red_knot_python_semantic/src/types/infer.rs
View file

@ -1688,7 +1688,7 @@ impl<'db> TypeInferenceBuilder<'db> {
ast::Number::Int(n) => n
.as_i64()
.map(Type::IntLiteral)
.unwrap_or_else(|| builtins_symbol_ty(self.db, "int").to_instance(self.db)),
.unwrap_or_else(|| Type::builtin_int_instance(self.db)),
ast::Number::Float(_) => builtins_symbol_ty(self.db, "float").to_instance(self.db),
ast::Number::Complex { .. } => {
builtins_symbol_ty(self.db, "complex").to_instance(self.db)
@ -2327,17 +2327,17 @@ impl<'db> TypeInferenceBuilder<'db> {
(Type::IntLiteral(n), Type::IntLiteral(m), ast::Operator::Add) => n
.checked_add(m)
.map(Type::IntLiteral)
.unwrap_or_else(|| builtins_symbol_ty(self.db, "int").to_instance(self.db)),
.unwrap_or_else(|| Type::builtin_int_instance(self.db)),
(Type::IntLiteral(n), Type::IntLiteral(m), ast::Operator::Sub) => n
.checked_sub(m)
.map(Type::IntLiteral)
.unwrap_or_else(|| builtins_symbol_ty(self.db, "int").to_instance(self.db)),
.unwrap_or_else(|| Type::builtin_int_instance(self.db)),
(Type::IntLiteral(n), Type::IntLiteral(m), ast::Operator::Mult) => n
.checked_mul(m)
.map(Type::IntLiteral)
.unwrap_or_else(|| builtins_symbol_ty(self.db, "int").to_instance(self.db)),
.unwrap_or_else(|| Type::builtin_int_instance(self.db)),
(Type::IntLiteral(_), Type::IntLiteral(_), ast::Operator::Div) => {
builtins_symbol_ty(self.db, "float").to_instance(self.db)
@ -2346,12 +2346,12 @@ impl<'db> TypeInferenceBuilder<'db> {
(Type::IntLiteral(n), Type::IntLiteral(m), ast::Operator::FloorDiv) => n
.checked_div(m)
.map(Type::IntLiteral)
.unwrap_or_else(|| builtins_symbol_ty(self.db, "int").to_instance(self.db)),
.unwrap_or_else(|| Type::builtin_int_instance(self.db)),
(Type::IntLiteral(n), Type::IntLiteral(m), ast::Operator::Mod) => n
.checked_rem(m)
.map(Type::IntLiteral)
.unwrap_or_else(|| builtins_symbol_ty(self.db, "int").to_instance(self.db)),
.unwrap_or_else(|| Type::builtin_int_instance(self.db)),
(Type::BytesLiteral(lhs), Type::BytesLiteral(rhs), ast::Operator::Add) => {
Type::BytesLiteral(BytesLiteralType::new(
@ -2911,7 +2911,7 @@ impl StringPartsCollector {
fn ty(self, db: &dyn Db) -> Type {
if self.expression {
Type::builtin_str(db).to_instance(db)
Type::builtin_str_instance(db)
} else if let Some(concatenated) = self.concatenated {
Type::StringLiteral(StringLiteralType::new(db, concatenated.into_boxed_str()))
} else {