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