aboutsummaryrefslogtreecommitdiff
path: root/helix-term/src/main.rs
blob: 337929477b4fbd54d543dce1cfce2bfecd86fcc4 (plain) (blame)
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
85
86
87
88
89
90
91
92
#![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.");

    // initialize language registry
    use helix_core::syntax::{Loader, LOADER};
    let toml = include_str!("../../languages.toml");
    LOADER.get_or_init(|| {
        let config = toml::from_str(toml).expect("Could not parse languages.toml");
        Loader::new(config)
    });

    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());
}