#[macro_use]
extern crate criterion;
use boa::exec;
use boa::syntax::lexer::Lexer;
use boa::syntax::parser::Parser;
use criterion::black_box;
use criterion::Criterion;
static SRC: &str = "let foo = 'hello world!'; foo;";
fn hello_world_lexer(c: &mut Criterion) {
c.bench_function("Hello World (Lexer)", move |b| {
b.iter(|| {
let mut lexer = Lexer::new(black_box(SRC));
lexer.lex()
})
});
}
fn hello_world_parser(c: &mut Criterion) {
let mut lexer = Lexer::new(SRC);
lexer.lex().expect("failed to lex");
let tokens = lexer.tokens;
c.bench_function_over_inputs(
"Hello World (Parser)",
move |b, tok| {
b.iter(|| {
Parser::new(black_box(tok.to_vec())).parse_all().unwrap();
})
},
vec![tokens],
);
}
fn hello_world(c: &mut Criterion) {
c.bench_function("Hello World (Execution)", move |b| {
b.iter(|| exec(black_box(SRC)))
});
}
criterion_group!(benches, hello_world, hello_world_lexer, hello_world_parser);
criterion_main!(benches);