src/lib.rs


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

mod log_level;
pub use log_level::*;

pub mod ansi { pub use ansi::*; }

use std::sync::Mutex;

pub static LOG_LEVEL: Mutex<LogLevel> = Mutex::new(LogLevel::Warn);

pub fn set_log_level(level: LogLevel) {
    *LOG_LEVEL.lock().unwrap() = level;
}

pub fn get_log_level() -> LogLevel {
    *LOG_LEVEL.lock().unwrap()
}


#[macro_export] macro_rules! info {
    ($($tokens:tt)*) => {
        if *$crate::LOG_LEVEL.lock().unwrap() <= { $crate::LogLevel::Info } {
            use $crate::ansi::*;
            eprint!("{BOLD}{BLUE}[INFO]{NORMAL}: ");
            eprint!($($tokens)*);
            eprintln!("{NORMAL}");
        }
    };
}

#[macro_export] macro_rules! warn {
    ($($tokens:tt)*) => {{
        if *$crate::LOG_LEVEL.lock().unwrap() <= { $crate::LogLevel::Warn } {
            use $crate::ansi::*;
            eprint!("{BOLD}{YELLOW}[WARNING]{NORMAL}{WHITE}: ");
            eprint!($($tokens)*);
            eprintln!("{NORMAL}");
        }
    }};
}

#[macro_export] macro_rules! error {
    ($($tokens:tt)*) => {{
        if *$crate::LOG_LEVEL.lock().unwrap() <= { $crate::LogLevel::Error } {
            use $crate::ansi::*;
            eprint!("{BOLD}{RED}[ERROR]{WHITE}: ");
            eprint!($($tokens)*);
            eprintln!("{NORMAL}");
        }
    }};
}

#[macro_export] macro_rules! fatal {
    ($($tokens:tt)*) => {{
        if *$crate::LOG_LEVEL.lock().unwrap() <= { $crate::LogLevel::Fatal } {
            use $crate::ansi::*;
            eprint!("{BOLD}{RED}[FATAL]{WHITE}: ");
            eprint!($($tokens)*);
            eprintln!("{NORMAL}");
        }
        std::process::exit(1);
    }};
}