forked from katzen-cafe/iowo
59 lines
1.2 KiB
Rust
59 lines
1.2 KiB
Rust
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use logos::Logos;
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#[derive(Logos, Debug, PartialEq)]
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#[logos(skip r"[\s]+")]
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pub enum Token<'a> {
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#[regex("[\\w]+", |lex| lex.slice())]
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Word(&'a str),
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#[regex("[\\d]+", priority = 2, callback = |lex| lex.slice().parse::<i64>().unwrap())]
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IntLiteral(i64),
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#[regex("[\\d]+.[\\d]+", |lex| lex.slice().parse::<f64>().unwrap())]
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FloatLiteral(f64),
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#[regex(r#""([^"\\]|\\["\\bnfrt]|u[a-fA-F0-9]{4})*""#, |lex| lex.slice().to_owned())]
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StringLiteral(String),
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#[token("def")]
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Define,
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#[token("type")]
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Type,
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#[token("->")]
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RightArrow,
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#[token("|")]
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Pipe,
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#[token("[")]
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BracketOpening,
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#[token("]")]
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BracketClosing,
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#[token("(")]
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ParensOpening,
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#[token(")")]
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ParensClosing,
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#[token("{")]
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BraceOpening,
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#[token("}")]
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BraceClosing,
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#[token("+")]
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Plus,
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#[token("-")]
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Minus,
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#[token("*")]
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Multiply,
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#[token("/")]
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Divide,
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#[token("%")]
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Percent,
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#[token("&")]
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Ampersand,
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#[token(":")]
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Colon,
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#[token(";")]
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Semicolon,
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#[token(".")]
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Dot,
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#[token(",")]
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Comma,
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#[token("!")]
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ExclaimationMark,
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#[token("?")]
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QuestionMark,
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}
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