modernize even more

crates/gen_lsp_server/src/lib.rs

@@ -59,16 +59,7 @@
 //! }
 //! ```
 
-#[macro_use]
-extern crate failure;
-#[macro_use]
-extern crate log;
-extern crate serde;
-extern crate serde_json;
-#[macro_use]
-extern crate serde_derive;
-extern crate crossbeam_channel;
-extern crate languageserver_types;
+use failure::{bail, format_err};
 
 mod msg;
 mod stdio;
@@ -81,7 +72,7 @@ use languageserver_types::{
 };
 
 pub type Result<T> = ::std::result::Result<T, failure::Error>;
-pub use {
+pub use crate::{
     msg::{ErrorCode, RawMessage, RawNotification, RawRequest, RawResponse, RawResponseError},
     stdio::{stdio_transport, Threads},
 };
@@ -98,18 +89,18 @@ pub fn run_server(
     sender: Sender<RawMessage>,
     server: impl FnOnce(InitializeParams, &Receiver<RawMessage>, &Sender<RawMessage>) -> Result<()>,
 ) -> Result<()> {
-    info!("lsp server initializes");
+    log::info!("lsp server initializes");
     let params = initialize(&receiver, &sender, caps)?;
-    info!("lsp server initialized, serving requests");
+    log::info!("lsp server initialized, serving requests");
     server(params, &receiver, &sender)?;
-    info!("lsp server waiting for exit notification");
+    log::info!("lsp server waiting for exit notification");
     match receiver.recv() {
         Some(RawMessage::Notification(n)) => n
             .cast::<Exit>()
             .map_err(|n| format_err!("unexpected notification during shutdown: {:?}", n))?,
         m => bail!("unexpected message during shutdown: {:?}", m),
     }
-    info!("lsp server shutdown complete");
+    log::info!("lsp server shutdown complete");
     Ok(())
 }
 

crates/gen_lsp_server/src/msg.rs

@@ -1,10 +1,11 @@
 use std::io::{BufRead, Write};
 
 use languageserver_types::{notification::Notification, request::Request};
-use serde::{de::DeserializeOwned, Serialize};
+use serde_derive::{Deserialize, Serialize};
 use serde_json::{from_str, from_value, to_string, to_value, Value};
+use failure::{bail, format_err};
 
-use Result;
+use crate::Result;
 
 #[derive(Debug, Serialize, Deserialize, Clone)]
 #[serde(untagged)]
@@ -91,7 +92,7 @@ impl RawRequest {
     pub fn new<R>(id: u64, params: &R::Params) -> RawRequest
     where
         R: Request,
-        R::Params: Serialize,
+        R::Params: serde::Serialize,
     {
         RawRequest {
             id,
@@ -102,7 +103,7 @@ impl RawRequest {
     pub fn cast<R>(self) -> ::std::result::Result<(u64, R::Params), RawRequest>
     where
         R: Request,
-        R::Params: DeserializeOwned,
+        R::Params: serde::de::DeserializeOwned,
     {
         if self.method != R::METHOD {
             return Err(self);
@@ -117,7 +118,7 @@ impl RawResponse {
     pub fn ok<R>(id: u64, result: &R::Result) -> RawResponse
     where
         R: Request,
-        R::Result: Serialize,
+        R::Result: serde::Serialize,
     {
         RawResponse {
             id,
@@ -143,7 +144,7 @@ impl RawNotification {
     pub fn new<N>(params: &N::Params) -> RawNotification
     where
         N: Notification,
-        N::Params: Serialize,
+        N::Params: serde::Serialize,
     {
         RawNotification {
             method: N::METHOD.to_string(),
@@ -153,7 +154,7 @@ impl RawNotification {
     pub fn cast<N>(self) -> ::std::result::Result<N::Params, RawNotification>
     where
         N: Notification,
-        N::Params: DeserializeOwned,
+        N::Params: serde::de::DeserializeOwned,
     {
         if self.method != N::METHOD {
             return Err(self);
@@ -191,12 +192,12 @@ fn read_msg_text(inp: &mut impl BufRead) -> Result<Option<String>> {
     buf.resize(size, 0);
     inp.read_exact(&mut buf)?;
     let buf = String::from_utf8(buf)?;
-    debug!("< {}", buf);
+    log::debug!("< {}", buf);
     Ok(Some(buf))
 }
 
 fn write_msg_text(out: &mut impl Write, msg: &str) -> Result<()> {
-    debug!("> {}", msg);
+    log::debug!("> {}", msg);
     write!(out, "Content-Length: {}\r\n\r\n", msg.len())?;
     out.write_all(msg.as_bytes())?;
     out.flush()?;

crates/gen_lsp_server/src/stdio.rs

@@ -4,8 +4,9 @@ use std::{
 };
 
 use crossbeam_channel::{bounded, Receiver, Sender};
+use failure::bail;
 
-use {RawMessage, Result};
+use crate::{RawMessage, Result};
 
 pub fn stdio_transport() -> (Receiver<RawMessage>, Sender<RawMessage>, Threads) {
     let (writer_sender, mut writer_receiver) = bounded::<RawMessage>(16);