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use std::collections::HashMap;
pub type Ast = Vec<Box<Stmt>>;
#[derive(Debug)]
pub enum Stmt {
Function(String, Vec<String>, Box<Expr>),
Const(String, Box<Expr>),
Let(String, Option<Box<Expr>>),
Return(Option<Box<Expr>>),
Break(Option<Box<Expr>>),
Expression(Box<Expr>),
}
#[derive(Debug)]
pub enum Expr {
Error,
Log(Box<Expr>),
Block(Vec<Box<Stmt>>, Option<Box<Expr>>),
If(
Box<Expr>,
Box<Expr>,
Option<Box<Expr>>,
),
While(Box<Expr>, Vec<Box<Stmt>>),
Assign(Box<Expr>, AssignOp, Box<Expr>),
Binary(Box<Expr>, BinaryOp, Box<Expr>),
Unary(UnaryOp, Box<Expr>),
Property(Box<Expr>, String),
Index(Box<Expr>, Box<Expr>),
Call(Box<Expr>, Vec<Box<Expr>>),
Constant(Constant),
}
#[derive(Debug)]
pub enum Constant {
True,
False,
Ident(String),
Number(f64),
String(String),
Tuple(Vec<Box<Expr>>),
Record(HashMap<String, Box<Expr>>),
}
#[derive(Debug)]
pub enum UnaryOp {
Negate,
Not,
}
#[derive(Debug)]
pub enum BinaryOp {
Or,
And,
Equal,
NotEqual,
GreaterThan,
GreaterEqual,
LessThan,
LessEqual,
Add,
Subtract,
Multiply,
Divide,
Exponent,
}
#[derive(Debug)]
pub enum AssignOp {
Assign,
AddAssign,
SubtractAssign,
MultiplyAssign,
DivideAssign,
ExponentAssign,
OrAssign,
AndAssign,
}