fix handle static async and static async move

Author: bellau

crates/parser/src/grammar/expressions/atom.rs

@@ -74,7 +74,14 @@ pub(super) fn atom_expr(p: &mut Parser, r: Restrictions) -> Option<(CompletedMar
         T![|] => closure_expr(p),
         T![move] if la == T![|] => closure_expr(p),
         T![async] if la == T![|] || (la == T![move] && p.nth(2) == T![|]) => closure_expr(p),
-        T![static] if la == T![|] || (la == T![move] && p.nth(2) == T![|]) => closure_expr(p),
+        T![static]
+            if la == T![|]
+                || (la == T![move] && p.nth(2) == T![|])
+                || (la == T![async] && p.nth(2) == T![|])
+                || (la == T![async] && p.nth(2) == T![move] && p.nth(3) == T![|]) =>
+        {
+            closure_expr(p)
+        }
         T![if] => if_expr(p),
 
         T![loop] => loop_expr(p, None),
@@ -237,6 +244,8 @@ fn array_expr(p: &mut Parser) -> CompletedMarker {
 //     async move || {};
 //     static || {};
 //     static move || {};
+//     static async || {};
+//     static async move || {};
 // }
 fn closure_expr(p: &mut Parser) -> CompletedMarker {
     assert!(
@@ -246,17 +255,23 @@ fn closure_expr(p: &mut Parser) -> CompletedMarker {
             || (p.at(T![async]) && p.nth(1) == T![move] && p.nth(2) == T![|])
             || (p.at(T![static]) && p.nth(1) == T![|])
             || (p.at(T![static]) && p.nth(1) == T![move] && p.nth(2) == T![|])
+            || (p.at(T![static]) && p.nth(1) == T![async] && p.nth(2) == T![|])
+            || (p.at(T![static])
+                && p.nth(1) == T![async]
+                && p.nth(2) == T![move]
+                && p.nth(3) == T![|])
     );
     let m = p.start();
-    p.eat(T![async]);
     p.eat(T![static]);
+    p.eat(T![async]);
     p.eat(T![move]);
     params::param_list_closure(p);
     if opt_ret_type(p) {
         // test lambda_ret_block
         // fn main() { || -> i32 { 92 }(); }
         block_expr(p);
     } else if p.at_ts(EXPR_FIRST) {
+        println!("gg");
         expr(p);
     } else {
         p.error("expected expression");

crates/parser/src/grammar/items.rs

@@ -230,7 +230,7 @@ fn opt_item_without_modifiers(p: &mut Parser, m: Marker) -> Result<(), Marker> {
         IDENT if p.at_contextual_kw(T![macro_rules]) && p.nth(1) == BANG => macro_rules(p, m),
 
         T![const] if (la == IDENT || la == T![_] || la == T![mut]) => consts::konst(p, m),
-        T![static] if (la != PIPE && la != T![move]) => consts::static_(p, m),
+        T![static] if (la != PIPE && la != T![move] && la != T![async]) => consts::static_(p, m),
 
         _ => return Err(m),
     };

crates/parser/test_data/parser/inline/ok/0106_lambda_expr.rs

@@ -8,4 +8,6 @@ fn foo() {
     async move || {};
     static || {};
     static move || {};
+    static async || {};
+    static async move || {};
 }

crates/parser/test_data/parser/inline/ok/0106_lambda_expr.txt

@@ -165,6 +165,40 @@ SOURCE_FILE
                 L_CURLY "{"
                 R_CURLY "}"
           SEMICOLON ";"
+        WHITESPACE "\n    "
+        EXPR_STMT
+          CLOSURE_EXPR
+            STATIC_KW "static"
+            WHITESPACE " "
+            ASYNC_KW "async"
+            WHITESPACE " "
+            PARAM_LIST
+              PIPE "|"
+              PIPE "|"
+            WHITESPACE " "
+            BLOCK_EXPR
+              STMT_LIST
+                L_CURLY "{"
+                R_CURLY "}"
+          SEMICOLON ";"
+        WHITESPACE "\n    "
+        EXPR_STMT
+          CLOSURE_EXPR
+            STATIC_KW "static"
+            WHITESPACE " "
+            ASYNC_KW "async"
+            WHITESPACE " "
+            MOVE_KW "move"
+            WHITESPACE " "
+            PARAM_LIST
+              PIPE "|"
+              PIPE "|"
+            WHITESPACE " "
+            BLOCK_EXPR
+              STMT_LIST
+                L_CURLY "{"
+                R_CURLY "}"
+          SEMICOLON ";"
         WHITESPACE "\n"
         R_CURLY "}"
   WHITESPACE "\n"