Merge #2837

2837: Accidentally quadratic r=matklad a=matklad

Our syntax highlighting is accdentally quadratic. Current state of the PR fixes it in a pretty crude way, looks like for the proper fix we need to redo how source-analyzer works. 

**NB:** don't be scared by diff stats, that's mostly a test-data file

Co-authored-by: Aleksey Kladov <[email protected]>

1 files changed, 3 insertions, 1 deletions

diff --git a/crates/ra_hir/src/lib.rs b/crates/ra_hir/src/lib.rs
index a1cf89010..a2350573c 100644
--- a/crates/ra_hir/src/lib.rs
+++ b/crates/ra_hir/src/lib.rs
@@ -8,7 +8,7 @@
 #![recursion_limit = "512"]
 
 macro_rules! impl_froms {
-    ($e:ident: $($v:ident $(($($sv:ident),*))?),*) => {
+    ($e:ident: $($v:ident $(($($sv:ident),*))?),*$(,)?) => {
         $(
             impl From<$v> for $e {
                 fn from(it: $v) -> $e {
@@ -28,6 +28,7 @@ macro_rules! impl_froms {
 
 pub mod db;
 pub mod source_analyzer;
+pub mod source_binder;
 
 pub mod diagnostics;
 
@@ -47,6 +48,7 @@ pub use crate::{
     from_source::FromSource,
     has_source::HasSource,
     source_analyzer::{PathResolution, ScopeEntryWithSyntax, SourceAnalyzer},
+    source_binder::SourceBinder,
 };
 
 pub use hir_def::{