nexus_lib/evaluator/
objects.rs

1use std::fmt::Display;
2
3use crate::{
4    evaluator::builtins::BuiltinFunc,
5    lexer::tokens::Literal,
6    parser::ast::{BlockStmt, Ident, OptionallyTypedIdent},
7};
8
9use super::util;
10
11#[derive(Debug, Clone)]
12pub enum Object {
13    Lit(Literal),
14    None,
15    // TODO: Implement error system
16    Err,
17    // TOOD: Implement multi file shenanigans
18    Use,
19    // Rc<Object> is the return value
20    Ret(Box<Object>),
21    // Ident is the label
22    Br(Ident),
23    Func(FuncObj),
24    BuiltinFunc(BuiltinFunc),
25    // TODO: Implement these
26    Range,
27    Type,
28    List,
29}
30
31#[derive(Debug, Clone)]
32pub struct FuncObj {
33    pub args: Vec<OptionallyTypedIdent>,
34    pub block: BlockStmt,
35}
36
37#[derive(Debug, PartialEq, PartialOrd)]
38pub enum Comparable {
39    Lit(Literal),
40    None,
41}
42
43impl Display for Object {
44    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
45        write!(
46            f,
47            "{}",
48            match self {
49                Object::Lit(lit) => lit.to_string(),
50                Object::None => "none".into(),
51                Object::Err => todo!(),
52                Object::Use => todo!(),
53                Object::Ret(_) => todo!(),
54                Object::Br(_) => todo!(),
55                Object::Func(func) => format!(
56                    "func({}) {{\n{}\n}}",
57                    util::typed_vec_to_string(&func.args),
58                    util::block_to_string(&func.block)
59                ),
60                Object::BuiltinFunc(func) => match func.get_ret_val() {
61                    Some(func) => func.to_string(),
62                    None => todo!(),
63                },
64                Object::Range => todo!(),
65                Object::Type => todo!(),
66                Object::List => todo!(),
67            }
68        )
69    }
70}
nexus_lib/evaluator/objects.rs

nexus_lib/evaluator/
objects.rs
