vendor/syn/benches/file.rs

   1 // $ cargo bench --features full --bench file
   2
   3 #![feature(rustc_private, test)]
   4
   5 extern crate test;
   6
   7 #[path = "../tests/repo/mod.rs"]
   8 pub mod repo;
   9
  10 use proc_macro2::TokenStream;
  11 use std::fs;
  12 use std::str::FromStr;
  13 use test::Bencher;
  14
  15 const FILE: &str = "tests/rust/src/libcore/str/mod.rs";
  16
  17 #[bench]
  18 fn parse_file(b: &mut Bencher) {
  19     repo::clone_rust();
  20     let content = fs::read_to_string(FILE).unwrap();
  21     let tokens = TokenStream::from_str(&content).unwrap();
  22     b.iter(|| syn::parse2::<syn::File>(tokens.clone()));
  23 }