use crate::ir::ir_add::IrAdd;
use crate::ir::ir_call::IrCall;
use crate::ir::ir_expression::IrExpression;
use crate::ir::ir_variable::IrVariable;
use std::collections::HashSet;
use std::fmt::{Display, Formatter};
use std::rc::Rc;

pub enum IrOperation {
    Load(IrExpression),
    Add(IrAdd),
    Call(IrCall),
}

impl Display for IrOperation {
    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
        match self {
            IrOperation::Load(ir_expression) => {
                write!(f, "{}", ir_expression)
            }
            IrOperation::Add(ir_add) => {
                write!(f, "{}", ir_add)
            }
            IrOperation::Call(ir_call) => {
                write!(f, "{}", ir_call)
            }
        }
    }
}

impl IrOperation {
    pub fn uses(&self) -> HashSet<Rc<IrVariable>> {
        match self {
            IrOperation::Load(ir_expression) => ir_expression.uses(),
            IrOperation::Add(ir_add) => ir_add.uses(),
            IrOperation::Call(ir_call) => ir_call.uses(),
        }
    }
}