55 lines
1.8 KiB
Rust
55 lines
1.8 KiB
Rust
use serde::Deserialize;
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use flexi_logger::{Duplicate, Logger};
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use gen_lsp_server::{run_server, stdio_transport};
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use ra_lsp_server::{Result, InitializationOptions};
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use ra_prof;
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fn main() -> Result<()> {
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::std::env::set_var("RUST_BACKTRACE", "short");
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let logger = Logger::with_env_or_str("error").duplicate_to_stderr(Duplicate::All);
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match ::std::env::var("RA_INTERNAL_MODE") {
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Ok(ref v) if v == "1" => logger.log_to_file().directory("log").start()?,
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_ => logger.start()?,
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};
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let prof_depth = match ::std::env::var("RA_PROFILE_DEPTH") {
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Ok(ref d) => d.parse()?,
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_ => 0,
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};
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let profile_allowed = match ::std::env::var("RA_PROFILE") {
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Ok(ref p) => p.split(";").map(String::from).collect(),
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_ => Vec::new(),
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};
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ra_prof::set_filter(ra_prof::Filter::new(prof_depth, profile_allowed));
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log::info!("lifecycle: server started");
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match ::std::panic::catch_unwind(main_inner) {
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Ok(res) => {
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log::info!("lifecycle: terminating process with {:?}", res);
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res
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}
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Err(_) => {
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log::error!("server panicked");
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failure::bail!("server panicked")
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}
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}
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}
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fn main_inner() -> Result<()> {
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let (receiver, sender, threads) = stdio_transport();
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let cwd = ::std::env::current_dir()?;
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run_server(ra_lsp_server::server_capabilities(), receiver, sender, |params, r, s| {
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let root = params.root_uri.and_then(|it| it.to_file_path().ok()).unwrap_or(cwd);
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let opts = params
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.initialization_options
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.and_then(|v| InitializationOptions::deserialize(v).ok())
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.unwrap_or(InitializationOptions::default());
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ra_lsp_server::main_loop(root, opts, r, s)
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})?;
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log::info!("shutting down IO...");
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threads.join()?;
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log::info!("... IO is down");
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Ok(())
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}
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