1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
|
#![allow(unused)]
mod application;
mod commands;
mod compositor;
mod keymap;
mod terminal;
mod ui;
use application::Application;
use clap::{App, Arg};
use std::path::PathBuf;
use anyhow::Error;
static EX: smol::Executor = smol::Executor::new();
fn setup_logging(verbosity: u64) -> Result<(), fern::InitError> {
let mut base_config = fern::Dispatch::new();
// Let's say we depend on something which whose "info" level messages are too
// verbose to include in end-user output. If we don't need them,
// let's not include them.
// .level_for("overly-verbose-target", log::LevelFilter::Warn)
base_config = match verbosity {
0 => base_config.level(log::LevelFilter::Warn),
1 => base_config.level(log::LevelFilter::Info),
2 => base_config.level(log::LevelFilter::Debug),
_3_or_more => base_config.level(log::LevelFilter::Trace),
};
let home = dirs_next::home_dir().expect("can't find the home directory");
// Separate file config so we can include year, month and day in file logs
let file_config = fern::Dispatch::new()
.format(|out, message, record| {
out.finish(format_args!(
"{} {} [{}] {}",
chrono::Local::now().format("%Y-%m-%dT%H:%M:%S%.3f"),
record.target(),
record.level(),
message
))
})
.chain(fern::log_file(home.join("helix.log"))?);
base_config.chain(file_config).apply()?;
Ok(())
}
fn main() {
let args = clap::app_from_crate!()
.arg(
Arg::new("files")
.about("Sets the input file to use")
.required(true)
.multiple(true)
.index(1),
)
.arg(
Arg::new("verbose")
.about("Increases logging verbosity each use for up to 3 times")
.short('v')
.takes_value(false)
.multiple_occurrences(true),
)
.get_matches();
let verbosity: u64 = args.occurrences_of("verbose");
setup_logging(verbosity).expect("failed to initialize logging.");
for _ in 0..num_cpus::get() {
std::thread::spawn(move || smol::block_on(EX.run(smol::future::pending::<()>())));
}
let mut app = Application::new(args, &EX).unwrap();
// we use the thread local executor to spawn the application task separately from the work pool
smol::block_on(app.run());
}
|