move highlightning to a separate file

1 files changed, 12 insertions, 0 deletions

diff --git a/crates/ra_analysis/src/syntax_highlighting.rs b/crates/ra_analysis/src/syntax_highlighting.rs
new file mode 100644
index 000000000..65409beb2
--- /dev/null
+++ b/crates/ra_analysis/src/syntax_highlighting.rs
@@ -0,0 +1,12 @@
+use ra_editor::HighlightedRange;
+use ra_db::SyntaxDatabase;
+
+use crate::{
+    db::RootDatabase,
+    FileId, Cancelable,
+};
+
+pub(crate) fn highlight(db: &RootDatabase, file_id: FileId) -> Cancelable<Vec<HighlightedRange>> {
+    let file = db.source_file(file_id);
+    Ok(ra_editor::highlight(&file))
+}