| // $ cargo bench --features full --bench file |
| |
| #![feature(rustc_private, test)] |
| #![recursion_limit = "1024"] |
| |
| extern crate test; |
| |
| #[macro_use] |
| #[path = "../tests/macros/mod.rs"] |
| mod macros; |
| |
| #[path = "../tests/common/mod.rs"] |
| mod common; |
| #[path = "../tests/repo/mod.rs"] |
| pub mod repo; |
| |
| use proc_macro2::TokenStream; |
| use std::fs; |
| use std::str::FromStr; |
| use test::Bencher; |
| |
| const FILE: &str = "tests/rust/src/libcore/str/mod.rs"; |
| |
| #[bench] |
| fn parse_file(b: &mut Bencher) { |
| repo::clone_rust(); |
| let content = fs::read_to_string(FILE).unwrap(); |
| let tokens = TokenStream::from_str(&content).unwrap(); |
| b.iter(|| syn::parse2::<syn::File>(tokens.clone())); |
| } |
