diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:06:37 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:06:37 +0000 |
commit | 246f239d9f40f633160f0c18f87a20922d4e77bb (patch) | |
tree | 5a88572663584b3d4d28e5a20e10abab1be40884 /vendor/syn/benches/file.rs | |
parent | Releasing progress-linux version 1.64.0+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-246f239d9f40f633160f0c18f87a20922d4e77bb.tar.xz rustc-246f239d9f40f633160f0c18f87a20922d4e77bb.zip |
Merging debian version 1.65.0+dfsg1-2.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vendor/syn/benches/file.rs')
-rw-r--r-- | vendor/syn/benches/file.rs | 34 |
1 files changed, 29 insertions, 5 deletions
diff --git a/vendor/syn/benches/file.rs b/vendor/syn/benches/file.rs index 86204df2d..c500dc24a 100644 --- a/vendor/syn/benches/file.rs +++ b/vendor/syn/benches/file.rs @@ -2,7 +2,11 @@ #![feature(rustc_private, test)] #![recursion_limit = "1024"] -#![allow(clippy::missing_panics_doc, clippy::must_use_candidate)] +#![allow( + clippy::items_after_statements, + clippy::missing_panics_doc, + clippy::must_use_candidate +)] extern crate test; @@ -15,17 +19,37 @@ mod common; #[path = "../tests/repo/mod.rs"] pub mod repo; -use proc_macro2::TokenStream; +use proc_macro2::{Span, TokenStream}; use std::fs; use std::str::FromStr; +use syn::parse::{ParseStream, Parser}; use test::Bencher; const FILE: &str = "tests/rust/library/core/src/str/mod.rs"; -#[bench] -fn parse_file(b: &mut Bencher) { +fn get_tokens() -> TokenStream { repo::clone_rust(); let content = fs::read_to_string(FILE).unwrap(); - let tokens = TokenStream::from_str(&content).unwrap(); + TokenStream::from_str(&content).unwrap() +} + +#[bench] +fn baseline(b: &mut Bencher) { + let tokens = get_tokens(); + b.iter(|| drop(tokens.clone())); +} + +#[bench] +fn create_token_buffer(b: &mut Bencher) { + let tokens = get_tokens(); + fn immediate_fail(_input: ParseStream) -> syn::Result<()> { + Err(syn::Error::new(Span::call_site(), "")) + } + b.iter(|| immediate_fail.parse2(tokens.clone())); +} + +#[bench] +fn parse_file(b: &mut Bencher) { + let tokens = get_tokens(); b.iter(|| syn::parse2::<syn::File>(tokens.clone())); } |