4 files changed, 35 insertions, 36 deletions

diff --git a/crates/ra_proc_macro/src/lib.rs b/crates/ra_proc_macro/src/lib.rs
index 004943b9e..15db57eb2 100644
--- a/crates/ra_proc_macro/src/lib.rs
+++ b/crates/ra_proc_macro/src/lib.rs
@@ -9,8 +9,6 @@ mod rpc;
 mod process;
 pub mod msg;
 
-use process::{ProcMacroProcessSrv, ProcMacroProcessThread};
-use ra_tt::{SmolStr, Subtree};
 use std::{
     ffi::OsStr,
     io,
@@ -18,6 +16,10 @@ use std::{
     sync::Arc,
 };
 
+use tt::{SmolStr, Subtree};
+
+use crate::process::{ProcMacroProcessSrv, ProcMacroProcessThread};
+
 pub use rpc::{ExpansionResult, ExpansionTask, ListMacrosResult, ListMacrosTask, ProcMacroKind};
 
 #[derive(Debug, Clone)]
@@ -36,12 +38,12 @@ impl PartialEq for ProcMacroProcessExpander {
     }
 }
 
-impl ra_tt::TokenExpander for ProcMacroProcessExpander {
+impl tt::TokenExpander for ProcMacroProcessExpander {
     fn expand(
         &self,
         subtree: &Subtree,
         _attr: Option<&Subtree>,
-    ) -> Result<Subtree, ra_tt::ExpansionError> {
+    ) -> Result<Subtree, tt::ExpansionError> {
         self.process.custom_derive(&self.dylib_path, subtree, &self.name)
     }
 }
@@ -72,10 +74,7 @@ impl ProcMacroClient {
         ProcMacroClient { kind: ProcMacroClientKind::Dummy }
     }
 
-    pub fn by_dylib_path(
-        &self,
-        dylib_path: &Path,
-    ) -> Vec<(SmolStr, Arc<dyn ra_tt::TokenExpander>)> {
+    pub fn by_dylib_path(&self, dylib_path: &Path) -> Vec<(SmolStr, Arc<dyn tt::TokenExpander>)> {
         match &self.kind {
             ProcMacroClientKind::Dummy => vec![],
             ProcMacroClientKind::Process { process, .. } => {
@@ -94,7 +93,7 @@ impl ProcMacroClient {
                         match kind {
                             ProcMacroKind::CustomDerive => {
                                 let name = SmolStr::new(&name);
-                                let expander: Arc<dyn ra_tt::TokenExpander> =
+                                let expander: Arc<dyn tt::TokenExpander> =
                                     Arc::new(ProcMacroProcessExpander {
                                         process: process.clone(),
                                         name: name.clone(),
diff --git a/crates/ra_proc_macro/src/msg.rs b/crates/ra_proc_macro/src/msg.rs
index 95d9b8804..f84ebdbc5 100644
--- a/crates/ra_proc_macro/src/msg.rs
+++ b/crates/ra_proc_macro/src/msg.rs
@@ -5,11 +5,12 @@ use std::{
     io::{self, BufRead, Write},
 };
 
+use serde::{de::DeserializeOwned, Deserialize, Serialize};
+
 use crate::{
     rpc::{ListMacrosResult, ListMacrosTask},
     ExpansionResult, ExpansionTask,
 };
-use serde::{de::DeserializeOwned, Deserialize, Serialize};
 
 #[derive(Debug, Serialize, Deserialize, Clone)]
 pub enum Request {
diff --git a/crates/ra_proc_macro/src/process.rs b/crates/ra_proc_macro/src/process.rs
index 37dd3f496..51ffcaa78 100644
--- a/crates/ra_proc_macro/src/process.rs
+++ b/crates/ra_proc_macro/src/process.rs
@@ -1,21 +1,22 @@
 //! Handle process life-time and message passing for proc-macro client
 
-use crossbeam_channel::{bounded, Receiver, Sender};
-use ra_tt::Subtree;
-
-use crate::msg::{ErrorCode, Message, Request, Response, ResponseError};
-use crate::rpc::{ExpansionResult, ExpansionTask, ListMacrosResult, ListMacrosTask, ProcMacroKind};
-
-use io::{BufRead, BufReader};
 use std::{
     convert::{TryFrom, TryInto},
     ffi::{OsStr, OsString},
-    io::{self, Write},
+    io::{self, BufRead, BufReader, Write},
     path::{Path, PathBuf},
     process::{Child, Command, Stdio},
     sync::{Arc, Weak},
 };
 
+use crossbeam_channel::{bounded, Receiver, Sender};
+use tt::Subtree;
+
+use crate::{
+    msg::{ErrorCode, Message, Request, Response, ResponseError},
+    rpc::{ExpansionResult, ExpansionTask, ListMacrosResult, ListMacrosTask, ProcMacroKind},
+};
+
 #[derive(Debug, Default)]
 pub(crate) struct ProcMacroProcessSrv {
     inner: Option<Weak<Sender<Task>>>,
@@ -50,7 +51,7 @@ impl ProcMacroProcessSrv {
     pub fn find_proc_macros(
         &self,
         dylib_path: &Path,
-    ) -> Result<Vec<(String, ProcMacroKind)>, ra_tt::ExpansionError> {
+    ) -> Result<Vec<(String, ProcMacroKind)>, tt::ExpansionError> {
         let task = ListMacrosTask { lib: dylib_path.to_path_buf() };
 
         let result: ListMacrosResult = self.send_task(Request::ListMacro(task))?;
@@ -62,7 +63,7 @@ impl ProcMacroProcessSrv {
         dylib_path: &Path,
         subtree: &Subtree,
         derive_name: &str,
-    ) -> Result<Subtree, ra_tt::ExpansionError> {
+    ) -> Result<Subtree, tt::ExpansionError> {
         let task = ExpansionTask {
             macro_body: subtree.clone(),
             macro_name: derive_name.to_string(),
@@ -74,38 +75,35 @@ impl ProcMacroProcessSrv {
         Ok(result.expansion)
     }
 
-    pub fn send_task<R>(&self, req: Request) -> Result<R, ra_tt::ExpansionError>
+    pub fn send_task<R>(&self, req: Request) -> Result<R, tt::ExpansionError>
     where
         R: TryFrom<Response, Error = &'static str>,
     {
         let sender = match &self.inner {
-            None => return Err(ra_tt::ExpansionError::Unknown("No sender is found.".to_string())),
+            None => return Err(tt::ExpansionError::Unknown("No sender is found.".to_string())),
             Some(it) => it,
         };
 
         let (result_tx, result_rx) = bounded(0);
         let sender = match sender.upgrade() {
             None => {
-                return Err(ra_tt::ExpansionError::Unknown("Proc macro process is closed.".into()))
+                return Err(tt::ExpansionError::Unknown("Proc macro process is closed.".into()))
             }
             Some(it) => it,
         };
         sender.send(Task { req, result_tx }).unwrap();
         let res = result_rx
             .recv()
-            .map_err(|_| ra_tt::ExpansionError::Unknown("Proc macro thread is closed.".into()))?;
+            .map_err(|_| tt::ExpansionError::Unknown("Proc macro thread is closed.".into()))?;
 
         match res {
             Some(Response::Error(err)) => {
-                return Err(ra_tt::ExpansionError::ExpansionError(err.message));
+                return Err(tt::ExpansionError::ExpansionError(err.message));
             }
             Some(res) => Ok(res.try_into().map_err(|err| {
-                ra_tt::ExpansionError::Unknown(format!(
-                    "Fail to get response, reason : {:#?} ",
-                    err
-                ))
+                tt::ExpansionError::Unknown(format!("Fail to get response, reason : {:#?} ", err))
             })?),
-            None => Err(ra_tt::ExpansionError::Unknown("Empty result".into())),
+            None => Err(tt::ExpansionError::Unknown("Empty result".into())),
         }
     }
 }
diff --git a/crates/ra_proc_macro/src/rpc.rs b/crates/ra_proc_macro/src/rpc.rs
index 4ce485926..5e5d78d06 100644
--- a/crates/ra_proc_macro/src/rpc.rs
+++ b/crates/ra_proc_macro/src/rpc.rs
@@ -1,17 +1,18 @@
 //! Data struture serialization related stuff for RPC
 //!
 //! Defines all necessary rpc serialization data structures,
-//! which includes `ra_tt` related data and some task messages.
-//! Although adding `Serialize` and `Deserialize` traits to `ra_tt` directly seems
-//! to be much easier, we deliberately duplicate `ra_tt` structs with `#[serde(with = "XXDef")]`
+//! which includes `tt` related data and some task messages.
+//! Although adding `Serialize` and `Deserialize` traits to `tt` directly seems
+//! to be much easier, we deliberately duplicate `tt` structs with `#[serde(with = "XXDef")]`
 //! for separation of code responsibility.
 
-use ra_tt::{
+use std::path::PathBuf;
+
+use serde::{Deserialize, Serialize};
+use tt::{
     Delimiter, DelimiterKind, Ident, Leaf, Literal, Punct, SmolStr, Spacing, Subtree, TokenId,
     TokenTree,
 };
-use serde::{Deserialize, Serialize};
-use std::path::PathBuf;
 
 #[derive(Clone, Eq, PartialEq, Debug, Serialize, Deserialize)]
 pub struct ListMacrosTask {