Merge pull request #155 from amaanq/fix-attribute

feat: add `attribute_specifier` to struct

grammar.js

@@ -575,6 +575,7 @@ module.exports = grammar({
 
     struct_specifier: $ => prec.right(seq(
       'struct',
+      optional($.attribute_specifier),
       optional($.ms_declspec_modifier),
       choice(
         seq(

src/grammar.json

@@ -3708,6 +3708,18 @@
             "type": "STRING",
             "value": "struct"
           },
+          {
+            "type": "CHOICE",
+            "members": [
+              {
+                "type": "SYMBOL",
+                "name": "attribute_specifier"
+              },
+              {
+                "type": "BLANK"
+              }
+            ]
+          },
           {
             "type": "CHOICE",
             "members": [

test/corpus/declarations.txt

@@ -676,6 +676,10 @@ enum Z {
     A
 } __attribute__((aligned(16)));
 
+struct __attribute__((__packed__)) foo_t {
+  int x;
+};
+
 --------------------------------------------------------------------------------
 
 (translation_unit
@@ -889,4 +893,13 @@ enum Z {
         (call_expression
           (identifier)
           (argument_list
-            (number_literal)))))))
+            (number_literal))))))
+  (struct_specifier
+    (attribute_specifier
+      (argument_list
+        (identifier)))
+    (type_identifier)
+    (field_declaration_list
+      (field_declaration
+        (primitive_type)
+        (field_identifier)))))