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
|
use serde::Deserialize;
use flexi_logger::{Duplicate, Logger};
use gen_lsp_server::{run_server, stdio_transport};
use ra_lsp_server::{Result, InitializationOptions};
use ra_prof;
fn main() -> Result<()> {
std::env::set_var("RUST_BACKTRACE", "short");
let logger = Logger::with_env_or_str("error").duplicate_to_stderr(Duplicate::All);
match std::env::var("RA_INTERNAL_MODE") {
Ok(ref v) if v == "1" => logger.log_to_file().directory("log").start()?,
_ => logger.start()?,
};
// Filtering syntax
// env RA_PROFILE=* // dump everything
// env RA_PROFILE=foo|bar|baz // enabled only selected entries
// env RA_PROFILE=*@3 // dump everything, up to depth 3
let filter = match std::env::var("RA_PROFILE") {
Ok(p) => {
let mut p = p.as_str();
let depth = if let Some(idx) = p.rfind("@") {
let depth: usize = p[idx + 1..].parse().expect("invalid profile depth");
p = &p[..idx];
depth
} else {
999
};
let allowed =
if p == "*" { Vec::new() } else { p.split(";").map(String::from).collect() };
ra_prof::Filter::new(depth, allowed)
}
Err(_) => ra_prof::Filter::disabled(),
};
ra_prof::set_filter(filter);
log::info!("lifecycle: server started");
match ::std::panic::catch_unwind(main_inner) {
Ok(res) => {
log::info!("lifecycle: terminating process with {:?}", res);
res
}
Err(_) => {
log::error!("server panicked");
failure::bail!("server panicked")
}
}
}
fn main_inner() -> Result<()> {
let (receiver, sender, threads) = stdio_transport();
let cwd = std::env::current_dir()?;
run_server(ra_lsp_server::server_capabilities(), receiver, sender, |params, r, s| {
let root = params.root_uri.and_then(|it| it.to_file_path().ok()).unwrap_or(cwd);
let workspace_roots = params
.workspace_folders
.map(|workspaces| {
workspaces
.into_iter()
.filter_map(|it| it.uri.to_file_path().ok())
.collect::<Vec<_>>()
})
.filter(|workspaces| !workspaces.is_empty())
.unwrap_or_else(|| vec![root]);
let opts = params
.initialization_options
.and_then(|v| InitializationOptions::deserialize(v).ok())
.unwrap_or(InitializationOptions::default());
ra_lsp_server::main_loop(workspace_roots, opts, r, s)
})?;
log::info!("shutting down IO...");
threads.join()?;
log::info!("... IO is down");
Ok(())
}
|