benchmark parser

benches/parser.rs

@@ -0,0 +1,26 @@
+use bumpalo::Bump;
+use criterion::{black_box, criterion_group, criterion_main, Criterion, Throughput};
+
+fn criterion_benchmark(c: &mut Criterion) {
+    let source = include_str!("benchfile.dil");
+    let mut group = c.benchmark_group("parse");
+
+    let alloc = Bump::new();
+    // SAFETY: dropped at the end of function
+    let mut rt_alloc = unsafe { dilaria::RtAlloc::new() };
+
+    group.throughput(Throughput::Bytes(source.len() as u64));
+    group.bench_function("benchfile.dil", |b| {
+        b.iter(|| parse(black_box(source), &alloc, &mut rt_alloc));
+    });
+
+    group.finish();
+}
+
+fn parse(source: &str, alloc: &Bump, rt_alloc: &mut dilaria::RtAlloc) {
+    let p = dilaria::_parse(source, alloc, rt_alloc);
+    black_box(&p);
+}
+
+criterion_group!(benches, criterion_benchmark);
+criterion_main!(benches);