61 lines
2.0 KiB
Rust
61 lines
2.0 KiB
Rust
use flexi_logger::{Duplicate, Logger};
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use gen_lsp_server::{run_server, stdio_transport};
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use serde::Deserialize;
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use ra_lsp_server::{InitializationOptions, Result};
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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_LOG_DIR") {
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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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ra_prof::set_filter(match std::env::var("RA_PROFILE") {
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Ok(spec) => ra_prof::Filter::from_spec(&spec),
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Err(_) => ra_prof::Filter::disabled(),
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});
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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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Err("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 workspace_roots = params
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.workspace_folders
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.map(|workspaces| {
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workspaces
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.into_iter()
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.filter_map(|it| it.uri.to_file_path().ok())
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.collect::<Vec<_>>()
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})
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.filter(|workspaces| !workspaces.is_empty())
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.unwrap_or_else(|| vec![root]);
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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_default();
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ra_lsp_server::main_loop(workspace_roots, params.capabilities, 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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