jetcrab\bytecode\expressions/
arithmetic.rs

1use crate::ast::Node;
2use crate::vm::instructions::Instruction;
3
4pub trait ArithmeticGenerator {
5    fn generate_binary_expression(&mut self, node: &Node);
6}
7
8pub trait ArithmeticCore {
9    fn instructions(&mut self) -> &mut Vec<Instruction>;
10    fn visit_node(&mut self, node: &Node);
11}
12
13impl<T> ArithmeticGenerator for T
14where
15    T: ArithmeticCore,
16{
17    fn generate_binary_expression(&mut self, node: &Node) {
18        if let Node::BinaryExpression(expr) = node {
19            self.visit_node(&expr.left);
20            self.visit_node(&expr.right);
21            match expr.operator.as_str() {
22                "+" => self.instructions().push(Instruction::Add),
23                "-" => self.instructions().push(Instruction::Sub),
24                "*" => self.instructions().push(Instruction::Mul),
25                "/" => self.instructions().push(Instruction::Div),
26                "%" => self.instructions().push(Instruction::Mod),
27                "**" => self.instructions().push(Instruction::Exp),
28                _ => {
29                    self.instructions().push(Instruction::Add);
30                }
31            }
32        }
33    }
34}