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dust/dust-lang/src/token.rs

41 lines
880 B
Rust
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use std::fmt::Display;
use serde::{Deserialize, Serialize};
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use crate::Identifier;
#[derive(Debug, PartialEq, Clone)]
pub enum Token {
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Comma,
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Dot,
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Eof,
Equal,
Identifier(Identifier),
ReservedIdentifier(ReservedIdentifier),
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Integer(i64),
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Plus,
Star,
LeftParenthesis,
RightParenthesis,
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LeftSquareBrace,
RightSquareBrace,
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Float(f64),
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}
#[derive(Debug, Clone, Eq, PartialEq, PartialOrd, Ord, Serialize, Deserialize)]
pub enum ReservedIdentifier {
IsEven,
IsOdd,
Length,
}
impl Display for ReservedIdentifier {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
match self {
ReservedIdentifier::IsEven => write!(f, "is_even"),
ReservedIdentifier::IsOdd => write!(f, "is_odd"),
ReservedIdentifier::Length => write!(f, "length"),
}
}
}