fix: array expressions with attributes after the first item

Author: amaanq

grammar.js

@@ -64,7 +64,11 @@ const primitive_types = numeric_types.concat(['bool', 'str', 'char']);
 module.exports = grammar({
   name: 'rust',
 
-  extras: $ => [/\s/, $.line_comment, $.block_comment],
+  extras: $ => [
+    /\s/,
+    $.line_comment,
+    $.block_comment,
+  ],
 
   externals: $ => [
     $._string_content,
@@ -102,6 +106,7 @@ module.exports = grammar({
     [$.parameters, $._pattern],
     [$.parameters, $.tuple_struct_pattern],
     [$.type_parameters, $.for_lifetimes],
+    [$.array_expression],
   ],
 
   word: $ => $.identifier,
@@ -1065,7 +1070,7 @@ module.exports = grammar({
           field('length', $._expression),
         ),
         seq(
-          sepBy(',', $._expression),
+          sepBy(',', seq(repeat($.attribute_item), $._expression)),
           optional(','),
         ),
       ),

test/corpus/expressions.txt

@@ -358,6 +358,12 @@ Array expressions
 [1, 2, 3];
 ["a", "b", "c"];
 [0; 128];
+[
+    #[cfg(foo)]
+    "foo",
+    #[cfg(bar)]
+    "bar",
+];
 
 --------------------------------------------------------------------------------
 
@@ -377,7 +383,19 @@ Array expressions
   (expression_statement
     (array_expression
       (integer_literal)
-      length: (integer_literal))))
+      length: (integer_literal)))
+  (expression_statement
+    (array_expression
+      (attribute_item
+        (attribute
+          (identifier)
+          arguments: (token_tree (identifier))))
+      (string_literal)
+      (attribute_item
+        (attribute
+          (identifier)
+          arguments: (token_tree (identifier))))
+      (string_literal))))
 
 ================================================================================
 Tuple expressions