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compound assignments

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gluax 2021-03-12 16:47:57 -05:00
parent 4185f6f6d2
commit 02e5f57eed
1 changed files with 41 additions and 0 deletions
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41
ast/src/reducer/canonicalization.rs
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@ -239,6 +239,47 @@ impl ReconstructingReducer for Canonicalizer {
}
}
fn reduce_assign(&mut self, assign: &AssignStatement, assignee: Assignee, value: Expression) -> AssignStatement {
match value {
Expression::Value(value) => {
let left = Box::new(Expression::Identifier(assignee.identifier.clone()));
let right = Box::new(Expression::Value(value));
let op = match assign.operation {
AssignOperation::Assign => BinaryOperation::Eq,
AssignOperation::Add => BinaryOperation::Add,
AssignOperation::Sub => BinaryOperation::Sub,
AssignOperation::Mul => BinaryOperation::Mul,
AssignOperation::Div => BinaryOperation::Div,
AssignOperation::Pow => BinaryOperation::Pow,
AssignOperation::Or => BinaryOperation::Or,
AssignOperation::And => BinaryOperation::And,
AssignOperation::BitOr => BinaryOperation::BitOr,
AssignOperation::BitAnd => BinaryOperation::BitAnd,
AssignOperation::BitXor => BinaryOperation::BitXor,
AssignOperation::Shr => BinaryOperation::Shr,
AssignOperation::ShrSigned => BinaryOperation::ShrSigned,
AssignOperation::Shl => BinaryOperation::Shl,
AssignOperation::Mod => BinaryOperation::Mod,
};
let value = Expression::Binary(BinaryExpression {
left,
right,
op,
span: assign.span.clone(),
});
AssignStatement {
operation: assign.operation.clone(),
assignee,
value,
span: assign.span.clone(),
}
}
_ => assign.clone(),
}
}
// fn reduce_circuit(&mut self, _circuit: &Circuit, circuit_name: Identifier, members: Vec<CircuitMember>) -> Circuit {
// Circuit {
// circuit_name: circuit_name.clone(),