perf: add bench code

Cargo.toml

@@ -89,4 +89,4 @@ utoipa-redoc = { version = "6.0.0", features = ["actix-web"] }
 utoipa-rapidoc = { version = "6.0.0", features = ["actix-web"] }
 utoipa-scalar = { version = "0.3.0", features = ["actix-web"] }
 uuid = { version = "1.15.1", features = ["v4", "serde", "v7"] }
-
+criterion = "0.5.1" 

Makefile

@@ -22,8 +22,10 @@ eq = $(if $(or $(1),$(2)),$(and $(findstring $(1),$(2)),\
 	prepare-check \
 	doc \
 	fmt \
+	bench \
 	clippy \
 	test \
+	nextest \
 	audit \
 	git.sync \
 	build \
@@ -79,6 +81,9 @@ fmt :
 clippy :
 	cargo clippy --all-features --all-targets -- -D warnings
 
+bench:
+	cargo bench --all
+
 # Run Rust tests of project.
 #
 # Usage :
@@ -87,6 +92,9 @@ clippy :
 test :
 	cargo test --all-features
 
+nextest:
+	cargo nextest run --all-features --all-targets
+
 # Usage
 # make migrate-run new_fancy_table
 migrate-create:
@@ -112,4 +120,4 @@ coverage:
 	cargo llvm-cov clean --workspace --html --output-dir=coverage
 	cargo llvm-cov --all-features --workspace --no-clean --html --output-dir=coverage --open
 
-precommit : fmt clippy test prepare-check
+precommit : fmt clippy test prepare-check bench

cpast/Cargo.toml

@@ -25,3 +25,9 @@ ccode_runner = { version = "^0.3.2", path = "../ccode_runner" }
 clex_llm = { version = "^0.2.2", path = "../clex_llm" }
 thiserror = { workspace = true }
 
+[dev-dependencies]
+criterion = { workspace = true } 
+
+[[bench]]
+name = "generate"
+harness = false

cpast/benches/generate.rs

@@ -0,0 +1,10 @@
+use criterion::{Criterion, criterion_group, criterion_main};
+
+fn criterion_benchmark(c: &mut Criterion) {
+    c.bench_function("generate bench", |b| {
+        b.iter(|| clex_gen::generator("N[1,1000] N{\\1}".to_owned()))
+    });
+}
+
+criterion_group!(benches, criterion_benchmark);
+criterion_main!(benches);