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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
use super::CodeType;
use crate::{
backend::{Literal, Type},
bail,
bindings::python::gen_python::AsCodeType,
Result,
};
#[derive(Debug)]
pub struct OptionalCodeType {
inner: Type,
}
impl OptionalCodeType {
pub fn new(inner: Type) -> Self {
Self { inner }
}
}
impl CodeType for OptionalCodeType {
fn type_label(&self) -> String {
format!(
"typing.Optional[{}]",
super::PythonCodeOracle.find(&self.inner).type_label()
)
}
fn canonical_name(&self) -> String {
format!(
"Optional{}",
super::PythonCodeOracle.find(&self.inner).canonical_name(),
)
}
fn literal(&self, literal: &Literal) -> Result<String> {
match literal {
Literal::None => Ok("None".into()),
Literal::Some { inner } => super::PythonCodeOracle.find(&self.inner).literal(inner),
_ => bail!("Invalid literal for Optional type: {literal:?}"),
}
}
}
#[derive(Debug)]
pub struct SequenceCodeType {
inner: Type,
}
impl SequenceCodeType {
pub fn new(inner: Type) -> Self {
Self { inner }
}
}
impl CodeType for SequenceCodeType {
fn type_label(&self) -> String {
// Python 3.8 and below do not support `list[T]`
format!(
"typing.List[{}]",
super::PythonCodeOracle.find(&self.inner).type_label()
)
}
fn canonical_name(&self) -> String {
format!(
"Sequence{}",
super::PythonCodeOracle.find(&self.inner).canonical_name(),
)
}
fn literal(&self, literal: &Literal) -> Result<String> {
match literal {
Literal::EmptySequence => Ok("[]".into()),
_ => bail!("Invalid literal for sequence type: {literal:?}"),
}
}
}
#[derive(Debug)]
pub struct MapCodeType {
key: Type,
value: Type,
}
impl MapCodeType {
pub fn new(key: Type, value: Type) -> Self {
Self { key, value }
}
}
impl CodeType for MapCodeType {
fn type_label(&self) -> String {
format!(
"dict[{}, {}]",
self.key.as_codetype().type_label(),
self.value.as_codetype().type_label()
)
}
fn canonical_name(&self) -> String {
format!(
"Map{}{}",
super::PythonCodeOracle.find(&self.key).canonical_name(),
super::PythonCodeOracle.find(&self.value).canonical_name(),
)
}
fn literal(&self, literal: &Literal) -> Result<String> {
match literal {
Literal::EmptyMap => Ok("{}".into()),
_ => bail!("Invalid literal for map type: {literal:?}"),
}
}
}