Fixed not permitting empty compile-time switch body.

Author: cbuttner

CHANGELOG.md

@@ -6,6 +6,7 @@ Final grammar for C3 0.6.7.
 
 ### Changes
 - Revert tree-sitter ABI version back to 14
+- Fixed not permitting empty compile-time switch body
 
 ## 0.3.1
 

docs/playground/tree-sitter-c3.wasm

@@ -982,10 +982,9 @@ module.exports = grammar({
     ct_switch_cond: $ => seq('(', choice($._constant_expr, $._type_optional), ')'),
 
     _ct_switch: $ => seq('$switch', optional($.ct_switch_cond)),
-    _ct_switch_body: $ => repeat1($.ct_case_stmt),
     ct_switch_stmt: $ => seq(
       $._ct_switch,
-      $._ct_switch_body,
+      repeat($.ct_case_stmt),
       '$endswitch',
     ),