tokei/tests/data/lalrpop.lalrpop

// 37 lines 26 code 3 comments 8 blanks
use crate::ast::{ExprSymbol, Opcode};
use crate::tok9::Tok;

grammar<'input>(input: &'input str);

// line comment
pub Expr: Box<ExprSymbol<'input>> = { // comment 1
    Expr r##"verbatim2"## Factor => Box::new(ExprSymbol::Op(<>)),
    Factor, // comment 2
};

Factor: Box<ExprSymbol<'input>> = { // comment 3
    Factor "FactorOp" Term => Box::new(ExprSymbol::Op(<>)),
    Term,
};

// comment 4

Term: Box<ExprSymbol<'input>> = {
    r#"verbatim"# => Box::new(ExprSymbol::NumSymbol(<>)),
    "(" <Expr> ")"
};

extern {
    type Location = usize;
    type Error = ();

    enum Tok<'input> {
        r#"verbatim"# => Tok::NumSymbol(<&'input str>),
        "FactorOp" => Tok::FactorOp(<Opcode>),
        r##"verbatim2"## => Tok::ExprOp(<Opcode>),
        "(" => Tok::ParenOpen,
        ")" => Tok::ParenClose,
    }
}