Add basic parsing benchmark 🌩

1 files changed, 24 insertions, 0 deletions

diff --git a/benches/bench_parsing.rs b/benches/bench_parsing.rs
new file mode 100644
index 00000000..d6b63caf
--- /dev/null
+++ b/benches/bench_parsing.rs
@@ -0,0 +1,24 @@
+use criterion::{criterion_group, criterion_main, Criterion};
+use typstc::library::_std;
+use typstc::syntax::parsing::{parse, ParseState};
+use typstc::syntax::span::Pos;
+
+// 28 not too dense lines.
+const COMA: &str = include_str!("../tests/coma.typ");
+
+fn parsing_benchmark(c: &mut Criterion) {
+    let state = ParseState { scope: _std() };
+
+    c.bench_function("parse-coma-28-lines", |b| {
+        b.iter(|| parse(COMA, Pos::ZERO, &state))
+    });
+
+    // 2800 lines of Typst code.
+    let long = COMA.repeat(100);
+    c.bench_function("parse-coma-2800-lines", |b| {
+        b.iter(|| parse(&long, Pos::ZERO, &state))
+    });
+}
+
+criterion_group!(benches, parsing_benchmark);
+criterion_main!(benches);