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|
fn main() {
eprintln!("Debian: this bench is disabled due to dependency on reqwest.\n\
To run it, please unapply debian/patches/remove-reqwest.patch.");
/*
// $ cargo bench --features full,test --bench rust
//
// Syn only, useful for profiling:
// $ RUSTFLAGS='--cfg syn_only' cargo build --release --features full,test --bench rust
#![cfg_attr(not(syn_only), feature(rustc_private))]
#![recursion_limit = "1024"]
#![allow(
clippy::arc_with_non_send_sync,
clippy::cast_lossless,
clippy::elidable_lifetime_names,
clippy::let_underscore_untyped,
clippy::manual_let_else,
clippy::match_like_matches_macro,
clippy::needless_lifetimes,
clippy::uninlined_format_args,
clippy::unnecessary_wraps
)]
#[macro_use]
#[path = "../tests/macros/mod.rs"]
mod macros;
#[allow(dead_code)]
#[path = "../tests/repo/mod.rs"]
mod repo;
use std::fs;
use std::path::Path;
use std::time::{Duration, Instant};
#[cfg(not(syn_only))]
mod tokenstream_parse {
use proc_macro2::TokenStream;
use std::path::Path;
use std::str::FromStr;
pub fn bench(_path: &Path, content: &str) -> Result<(), ()> {
TokenStream::from_str(content).map(drop).map_err(drop)
}
}
mod syn_parse {
use std::path::Path;
pub fn bench(_path: &Path, content: &str) -> Result<(), ()> {
syn::parse_file(content).map(drop).map_err(drop)
}
}
#[cfg(not(syn_only))]
mod librustc_parse {
extern crate rustc_data_structures;
extern crate rustc_driver;
extern crate rustc_error_messages;
extern crate rustc_errors;
extern crate rustc_parse;
extern crate rustc_session;
extern crate rustc_span;
use crate::repo;
use rustc_errors::emitter::Emitter;
use rustc_errors::registry::Registry;
use rustc_errors::translation::Translator;
use rustc_errors::{DiagCtxt, DiagInner};
use rustc_session::parse::ParseSess;
use rustc_span::source_map::{FilePathMapping, SourceMap};
use rustc_span::FileName;
use std::path::Path;
use std::sync::Arc;
pub fn bench(path: &Path, content: &str) -> Result<(), ()> {
struct SilentEmitter;
impl Emitter for SilentEmitter {
fn emit_diagnostic(&mut self, _diag: DiagInner, _registry: &Registry) {}
fn source_map(&self) -> Option<&SourceMap> {
None
}
fn translator(&self) -> &Translator {
panic!("silent emitter attempted to translate a diagnostic");
}
}
let edition = repo::edition(path).parse().unwrap();
rustc_span::create_session_if_not_set_then(edition, |_| {
let source_map = Arc::new(SourceMap::new(FilePathMapping::empty()));
let emitter = Box::new(SilentEmitter);
let handler = DiagCtxt::new(emitter);
let sess = ParseSess::with_dcx(handler, source_map);
let name = FileName::Custom("bench".to_owned());
let mut parser =
rustc_parse::new_parser_from_source_str(&sess, name, content.to_owned()).unwrap();
if let Err(diagnostic) = parser.parse_crate_mod() {
diagnostic.cancel();
return Err(());
}
Ok(())
})
}
}
#[cfg(not(syn_only))]
mod read_from_disk {
use std::path::Path;
pub fn bench(_path: &Path, content: &str) -> Result<(), ()> {
let _ = content;
Ok(())
}
}
fn exec(mut codepath: impl FnMut(&Path, &str) -> Result<(), ()>) -> Duration {
let begin = Instant::now();
let mut success = 0;
let mut total = 0;
["tests/rust/compiler", "tests/rust/library"]
.iter()
.flat_map(|dir| {
walkdir::WalkDir::new(dir)
.into_iter()
.filter_entry(repo::base_dir_filter)
})
.for_each(|entry| {
let entry = entry.unwrap();
let path = entry.path();
if path.is_dir() {
return;
}
let content = fs::read_to_string(path).unwrap();
let ok = codepath(path, &content).is_ok();
success += ok as usize;
total += 1;
if !ok {
eprintln!("FAIL {}", path.display());
}
});
assert_eq!(success, total);
begin.elapsed()
}
fn main() {
repo::clone_rust();
macro_rules! testcases {
($($(#[$cfg:meta])* $name:ident,)*) => {
[
$(
$(#[$cfg])*
(stringify!($name), $name::bench as fn(&Path, &str) -> Result<(), ()>),
)*
]
};
}
#[cfg(not(syn_only))]
{
let mut lines = 0;
let mut files = 0;
exec(|_path, content| {
lines += content.lines().count();
files += 1;
Ok(())
});
eprintln!("\n{} lines in {} files", lines, files);
}
for (name, f) in testcases!(
#[cfg(not(syn_only))]
read_from_disk,
#[cfg(not(syn_only))]
tokenstream_parse,
syn_parse,
#[cfg(not(syn_only))]
librustc_parse,
) {
eprint!("{:20}", format!("{}:", name));
let elapsed = exec(f);
eprintln!(
"elapsed={}.{:03}s",
elapsed.as_secs(),
elapsed.subsec_millis(),
);
}
eprintln!();*/
}
|
