From 0315c676fcc82cf9150373634e33c4f86f0ef062 Mon Sep 17 00:00:00 2001
From: brandonspark <wu.brandonj@gmail.com>
Date: Tue, 12 Nov 2024 09:10:15 -0800
Subject: [PATCH] ellipsis metavariables too

---
 .../src/semgrep-swift/grammar.js              |  3 ++-
 .../src/semgrep-swift/test/corpus/semgrep.txt | 25 +++++++++++++++++++
 2 files changed, 27 insertions(+), 1 deletion(-)

diff --git a/lang/semgrep-grammars/src/semgrep-swift/grammar.js b/lang/semgrep-grammars/src/semgrep-swift/grammar.js
index b2a5508..3b5276e 100644
--- a/lang/semgrep-grammars/src/semgrep-swift/grammar.js
+++ b/lang/semgrep-grammars/src/semgrep-swift/grammar.js
@@ -86,7 +86,8 @@ module.exports = grammar(base_grammar, {
 
     parameter: ($, previous) => choice (
       previous,
-      $.semgrep_ellipsis
+      $.semgrep_ellipsis,
+      $.semgrep_ellipsis_metavar
     )
   }
 });
diff --git a/lang/semgrep-grammars/src/semgrep-swift/test/corpus/semgrep.txt b/lang/semgrep-grammars/src/semgrep-swift/test/corpus/semgrep.txt
index 5844256..f55c958 100644
--- a/lang/semgrep-grammars/src/semgrep-swift/test/corpus/semgrep.txt
+++ b/lang/semgrep-grammars/src/semgrep-swift/test/corpus/semgrep.txt
@@ -50,6 +50,31 @@ func $F(..., $X: $T, ...) {
       (statements
         (fully_open_range)))))
 
+================================================================================
+Parameter Metavariable Ellipsis
+================================================================================
+
+func $F($...ARGS1, $X: $T, $...ARGS2) {
+  ...
+}
+
+--------------------------------------------------------------------------------
+
+(source_file
+  (function_declaration
+    (simple_identifier)
+    (parameter
+      (semgrep_ellipsis_metavar))
+    (parameter
+      (simple_identifier)
+      (user_type
+        (type_identifier)))
+    (parameter
+      (semgrep_ellipsis_metavar))
+    (function_body
+      (statements
+        (fully_open_range)))))
+
 ================================================================================
 Argument Ellipsis
 ================================================================================