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use crate::{AsgConvertError, Function, Identifier, Node, Scope, Span, Type};
use indexmap::IndexMap;
use std::cell::RefCell;
#[derive(Clone)]
pub enum CircuitMember<'a> {
Variable(Type<'a>),
Function(&'a Function<'a>),
}
#[derive(Clone)]
pub struct Circuit<'a> {
pub id: u32,
pub name: RefCell<Identifier>,
pub core_mapping: RefCell<Option<String>>,
pub scope: &'a Scope<'a>,
pub span: Option<Span>,
pub members: RefCell<IndexMap<String, CircuitMember<'a>>>,
}
impl<'a> PartialEq for Circuit<'a> {
fn eq(&self, other: &Circuit) -> bool {
if self.name != other.name {
return false;
}
self.id == other.id
}
}
impl<'a> Eq for Circuit<'a> {}
impl<'a> Node for Circuit<'a> {
fn span(&self) -> Option<&Span> {
self.span.as_ref()
}
}
impl<'a> Circuit<'a> {
pub(super) fn init(scope: &'a Scope<'a>, value: &leo_ast::Circuit) -> Result<&'a Circuit<'a>, AsgConvertError> {
let new_scope = scope.make_subscope();
let circuit = scope.context.alloc_circuit(Circuit {
id: scope.context.get_id(),
name: RefCell::new(value.circuit_name.clone()),
members: RefCell::new(IndexMap::new()),
core_mapping: RefCell::new(None),
span: Some(value.circuit_name.span.clone()),
scope: new_scope,
});
new_scope.circuit_self.replace(Some(circuit));
let mut members = circuit.members.borrow_mut();
for member in value.members.iter() {
if let leo_ast::CircuitMember::CircuitVariable(name, type_) = member {
if members.contains_key(name.name.as_ref()) {
return Err(AsgConvertError::redefined_circuit_member(
&value.circuit_name.name,
&name.name,
&name.span,
));
}
members.insert(
name.name.to_string(),
CircuitMember::Variable(new_scope.resolve_ast_type(type_)?),
);
}
}
Ok(circuit)
}
pub(super) fn init_member(
scope: &'a Scope<'a>,
value: &leo_ast::Circuit,
) -> Result<&'a Circuit<'a>, AsgConvertError> {
let new_scope = scope.make_subscope();
let circuits = scope.circuits.borrow();
let circuit = circuits.get(value.circuit_name.name.as_ref()).unwrap();
new_scope.circuit_self.replace(Some(circuit));
let mut members = circuit.members.borrow_mut();
for member in value.members.iter() {
if let leo_ast::CircuitMember::CircuitFunction(function) = member {
if members.contains_key(function.identifier.name.as_ref()) {
return Err(AsgConvertError::redefined_circuit_member(
&value.circuit_name.name,
&function.identifier.name,
&function.identifier.span,
));
}
let asg_function = Function::init(new_scope, function)?;
asg_function.circuit.replace(Some(circuit));
if asg_function.is_test() {
return Err(AsgConvertError::circuit_test_function(&function.identifier.span));
}
members.insert(
function.identifier.name.to_string(),
CircuitMember::Function(asg_function),
);
}
}
Ok(circuit)
}
pub(super) fn fill_from_ast(self: &'a Circuit<'a>, value: &leo_ast::Circuit) -> Result<(), AsgConvertError> {
for member in value.members.iter() {
match member {
leo_ast::CircuitMember::CircuitVariable(..) => {}
leo_ast::CircuitMember::CircuitFunction(function) => {
let asg_function = match *self
.members
.borrow()
.get(function.identifier.name.as_ref())
.expect("missing header for defined circuit function")
{
CircuitMember::Function(f) => f,
_ => unimplemented!(),
};
Function::fill_from_ast(asg_function, function)?;
}
}
}
Ok(())
}
}
impl<'a> Into<leo_ast::Circuit> for &Circuit<'a> {
fn into(self) -> leo_ast::Circuit {
let members = self
.members
.borrow()
.iter()
.map(|(name, member)| match &member {
CircuitMember::Variable(type_) => {
leo_ast::CircuitMember::CircuitVariable(Identifier::new((&**name).into()), type_.into())
}
CircuitMember::Function(func) => leo_ast::CircuitMember::CircuitFunction((*func).into()),
})
.collect();
leo_ast::Circuit {
circuit_name: self.name.borrow().clone(),
members,
}
}
}