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mod parser;
mod parser_ast;
mod parser_lexer;
use winnow::prelude::*;
#[allow(clippy::eq_op, clippy::erasing_op)]
fn arithmetic(c: &mut criterion::Criterion) {
let data = " 2*2 / ( 5 - 1) + 3 / 4 * (2 - 7 + 567 *12 /2) + 3*(1+2*( 45 /2))";
let expected = 2 * 2 / (5 - 1) + 3 * (1 + 2 * (45 / 2));
assert_eq!(parser::expr.parse(data), Ok(expected));
assert_eq!(
parser_ast::expr.parse(data).map(|ast| ast.eval()),
Ok(expected)
);
assert_eq!(
parser_lexer::expr2.parse(data).map(|ast| ast.eval()),
Ok(expected)
);
c.bench_function("direct", |b| {
b.iter(|| parser::expr.parse(data).unwrap());
});
c.bench_function("ast", |b| {
b.iter(|| parser_ast::expr.parse(data).unwrap().eval());
});
c.bench_function("lexer", |b| {
b.iter(|| parser_lexer::expr2.parse_peek(data).unwrap());
});
}
criterion::criterion_group!(benches, arithmetic);
criterion::criterion_main!(benches);
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