intelli_shell/
debug.rs

1use std::{
2    fs::{File, OpenOptions},
3    sync::Mutex,
4};
5
6use once_cell::sync::Lazy;
7
8static _LOG_FILE: Lazy<Mutex<File>> = Lazy::new(|| {
9    Mutex::new(
10        OpenOptions::new()
11            .create(true)
12            .truncate(true)
13            .read(true)
14            .write(true)
15            .open("debug.log")
16            .unwrap(),
17    )
18});
19
20#[macro_export]
21macro_rules! trace {
22    ($($arg:tt)*) => {
23        $crate::debug::trace_log(format!($($arg)*))
24    };
25}
26
27pub fn trace_log(_str: impl AsRef<str>) {
28    #[cfg(feature = "debug")]
29    {
30        use std::io::Write;
31        let mut file = _LOG_FILE.lock().unwrap();
32        writeln!(file, "{}", _str.as_ref()).unwrap();
33    }
34}
35
36#[allow(unused_imports)]
37pub(crate) use trace;