13 lines
352 B
Plaintext
13 lines
352 B
Plaintext
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use std::str::FromStr;
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grammar;
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pub Atom: f64 = {
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<n:Int> => n as f64,
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Float,
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"(" <Atom> ")",
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};
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pub Int: i64 = <s:r"[0-9]|[1-9][0-9]*"> => i64::from_str(s).unwrap();
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pub Float: f64 = <s:r"[+-]?([0-9]*[.][0-9]+|[0-9]*([.][0-9]+)?[Ee][+-]?[1-9][0-9]*)"> => f64::from_str(s).unwrap();
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pub StringLiteral: &'input str = <s:"\"[^\"]\""> => s;
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