language-servers/rust-analyzer
1
0
Fork 0
mirror of https://github.com/rust-lang/rust-analyzer.git synced 2025-10-01 06:11:35 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 3

cleanup main loop

Browse source
This commit is contained in:
Aleksey Kladov 2019-08-31 14:47:37 +03:00
parent f90a886301
commit 4e3f5cc729
8 changed files with 172 additions and 221 deletions
Download patch file Download diff file Expand all files Collapse all files

26
crates/ra_lsp_server/src/main.rs
View file

@ -5,37 +5,37 @@ use ra_lsp_server::{show_message, Result, ServerConfig};
use ra_prof;
fn main() -> Result<()> {
setup_logging()?;
run_server()?;
Ok(())
}
fn setup_logging() -> 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_LOG_DIR") {
Ok(ref v) if v == "1" => logger.log_to_file().directory("log").start()?,
_ => logger.start()?,
};
ra_prof::set_filter(match std::env::var("RA_PROFILE") {
Ok(spec) => ra_prof::Filter::from_spec(&spec),
Err(_) => ra_prof::Filter::disabled(),
});
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");
Err("server panicked")?
}
}
Ok(())
}
fn main_inner() -> Result<()> {
let cwd = std::env::current_dir()?;
fn run_server() -> Result<()> {
log::info!("lifecycle: server started");
let (connection, io_threads) = Connection::stdio();
let server_capabilities = serde_json::to_value(ra_lsp_server::server_capabilities()).unwrap();
let initialize_params = connection.initialize(server_capabilities)?;
let initialize_params: lsp_types::InitializeParams = serde_json::from_value(initialize_params)?;
let cwd = std::env::current_dir()?;
let root = initialize_params.root_uri.and_then(|it| it.to_file_path().ok()).unwrap_or(cwd);
let workspace_roots = initialize_params