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#[macro_use]
extern crate log;
#[macro_use]
extern crate failure;
extern crate flexi_logger;
extern crate gen_lsp_server;
extern crate ra_lsp_server;
use flexi_logger::{Logger, Duplicate};
use gen_lsp_server::{run_server, stdio_transport};
use ra_lsp_server::Result;
fn main() -> Result<()> {
::std::env::set_var("RUST_BACKTRACE", "short");
Logger::with_env_or_str("error")
.duplicate_to_stderr(Duplicate::All)
.log_to_file()
.directory("log")
.start()?;
info!("lifecycle: server started");
match ::std::panic::catch_unwind(|| main_inner()) {
Ok(res) => {
info!("lifecycle: terminating process with {:?}", res);
res
}
Err(_) => {
error!("server panicked");
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);
ra_lsp_server::main_loop(false, root, r, s)
},
)?;
info!("shutting down IO...");
threads.join()?;
info!("... IO is down");
Ok(())
}
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