Merge pull request #1653 from Xanewok/remove-unused-crates

Remove unused sysroot rust crates

Author: Xanewok

rls-rustc/src/lib.rs

@@ -1,20 +1,20 @@
 #![feature(rustc_private)]
 
 extern crate env_logger;
-extern crate rustc_session;
 extern crate rustc_driver;
 extern crate rustc_interface;
 extern crate rustc_save_analysis;
+extern crate rustc_session;
 extern crate rustc_span;
 
-use rustc_session::config::ErrorOutputType;
-use rustc_session::early_error;
 #[cfg(feature = "ipc")]
 use rustc_driver::Compilation;
 use rustc_driver::{run_compiler, Callbacks};
 use rustc_interface::interface;
 #[cfg(feature = "ipc")]
 use rustc_interface::Queries;
+use rustc_session::config::ErrorOutputType;
+use rustc_session::early_error;
 
 use std::env;
 #[allow(unused_imports)]

rls/src/build/rustc.rs

@@ -1,24 +1,14 @@
 // FIXME: switch to something more ergonomic here, once available.
 // (Currently, there is no way to opt into sysroot crates without `extern crate`.)
 #[allow(unused_extern_crates)]
-extern crate getopts;
-#[allow(unused_extern_crates)]
-extern crate rustc_session;
-#[allow(unused_extern_crates)]
-extern crate rustc_codegen_utils;
-#[allow(unused_extern_crates)]
 extern crate rustc_driver;
 #[allow(unused_extern_crates)]
-extern crate rustc_errors;
-#[allow(unused_extern_crates)]
 extern crate rustc_interface;
 #[allow(unused_extern_crates)]
-extern crate rustc_metadata;
-#[allow(unused_extern_crates)]
-extern crate rustc_resolve;
-#[allow(unused_extern_crates)]
 extern crate rustc_save_analysis;
 #[allow(unused_extern_crates)]
+extern crate rustc_session;
+#[allow(unused_extern_crates)]
 extern crate rustc_span;
 
 use std::collections::{BTreeMap, HashMap, HashSet};
@@ -34,13 +24,13 @@ use log::trace;
 use rls_data::Analysis;
 use rls_vfs::Vfs;
 
-use self::rustc_session::config::Input;
-use self::rustc_session::Session;
 use self::rustc_driver::{run_compiler, Compilation};
 use self::rustc_interface::interface;
 use self::rustc_interface::Queries;
 use self::rustc_save_analysis as save;
 use self::rustc_save_analysis::CallbackHandler;
+use self::rustc_session::config::Input;
+use self::rustc_session::Session;
 use self::rustc_span::edition::Edition as RustcEdition;
 use self::rustc_span::source_map::{FileLoader, RealFileLoader};
 use crate::build::environment::{Environment, EnvironmentLockFacade};