From 599ca1ad890f7b8e1e3919f1727c21dad353f595 Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Tue, 31 Jul 2018 20:44:54 +0300
Subject: dref-expr

---
 src/parser/grammar/expressions.rs | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'src/parser/grammar')

diff --git a/src/parser/grammar/expressions.rs b/src/parser/grammar/expressions.rs
index 5b18e2294..881d947ac 100644
--- a/src/parser/grammar/expressions.rs
+++ b/src/parser/grammar/expressions.rs
@@ -48,6 +48,7 @@ pub(super) fn expr(p: &mut Parser) {
 fn prefix_expr(p: &mut Parser) -> Option<CompletedMarker> {
     match p.current() {
         AMPERSAND => Some(ref_expr(p)),
+        STAR => Some(deref_expr(p)),
         _ => atom_expr(p),
     }
 }
@@ -66,6 +67,18 @@ fn ref_expr(p: &mut Parser) -> CompletedMarker {
     m.complete(p, REF_EXPR)
 }
 
+// test deref_expr
+// fn foo() {
+//     **&1;
+// }
+fn deref_expr(p: &mut Parser) -> CompletedMarker {
+    assert!(p.at(STAR));
+    let m = p.start();
+    p.bump();
+    expr(p);
+    m.complete(p, DEREF_EXPR)
+}
+
 fn atom_expr(p: &mut Parser) -> Option<CompletedMarker> {
     match literal(p) {
         Some(m) => return Some(m),
-- 
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