Add vis matcher

2 files changed, 8 insertions, 1 deletions

diff --git a/crates/ra_parser/src/grammar.rs b/crates/ra_parser/src/grammar.rs
index 13c50c79c..67eae749d 100644
--- a/crates/ra_parser/src/grammar.rs
+++ b/crates/ra_parser/src/grammar.rs
@@ -167,7 +167,7 @@ impl BlockLike {
     }
 }
 
-fn opt_visibility(p: &mut Parser) -> bool {
+pub(crate) fn opt_visibility(p: &mut Parser) -> bool {
     match p.current() {
         PUB_KW => {
             let m = p.start();
diff --git a/crates/ra_parser/src/lib.rs b/crates/ra_parser/src/lib.rs
index 4787b5b9e..970d699c0 100644
--- a/crates/ra_parser/src/lib.rs
+++ b/crates/ra_parser/src/lib.rs
@@ -107,6 +107,13 @@ pub fn parse_item(token_source: &dyn TokenSource, tree_sink: &mut dyn TreeSink)
     parse_from_tokens(token_source, tree_sink, grammar::item);
 }
 
+/// Parse given tokens into the given sink as an visibility qualifier
+pub fn parse_vis(token_source: &dyn TokenSource, tree_sink: &mut dyn TreeSink) {
+    parse_from_tokens(token_source, tree_sink, |p| {
+        grammar::opt_visibility(p);
+    });
+}
+
 pub fn parse_macro_items(token_source: &dyn TokenSource, tree_sink: &mut dyn TreeSink) {
     parse_from_tokens(token_source, tree_sink, grammar::macro_items);
 }