Merge #1161

1161: Add mbe 'item' matcher r=matklad a=edwin0cheng

Add `item` matcher in `ra_mbe` , and added corresponding `item()` parser in `ra_syntax`. 
This PR also help PR #1148 for `Items` parsing.

And hopefully fix #1149 ?!




Co-authored-by: Edwin Cheng <[email protected]>

1 files changed, 5 insertions, 0 deletions

diff --git a/crates/ra_parser/src/lib.rs b/crates/ra_parser/src/lib.rs
index 9133c1b8a..11b5b9a75 100644
--- a/crates/ra_parser/src/lib.rs
+++ b/crates/ra_parser/src/lib.rs
@@ -93,6 +93,11 @@ pub fn parse_stmt(token_source: &dyn TokenSource, tree_sink: &mut dyn TreeSink,
     parse_from_tokens(token_source, tree_sink, |p| grammar::stmt(p, with_semi));
 }
 
+/// Parse given tokens into the given sink as an item
+pub fn parse_item(token_source: &dyn TokenSource, tree_sink: &mut dyn TreeSink) {
+    parse_from_tokens(token_source, tree_sink, grammar::item);
+}
+
 /// A parsing function for a specific braced-block.
 pub struct Reparser(fn(&mut parser::Parser));