From fa831a7ecbac1fd6142cfce1c7b65f9f78828e92 Mon Sep 17 00:00:00 2001
From: Alex Pinkus <alex.pinkus@gmail.com>
Date: Sun, 28 Nov 2021 14:48:42 -0800
Subject: [PATCH] Add support for recursive enums

The keyword `indirect` is legal on an enum class declaration or on an
individual case, and tells the compiler to use the heap to avoid an
infinitely sized structure. Add the keyword directly into those places
where it is legal.
---
 grammar.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/grammar.js b/grammar.js
index b05d97c..b2ff3a2 100644
--- a/grammar.js
+++ b/grammar.js
@@ -1181,6 +1181,7 @@ module.exports = grammar({
             $.class_body
           ),
           seq(
+            optional("indirect"),
             "enum",
             alias($.simple_identifier, $.type_identifier),
             optional($.type_parameters),
@@ -1288,6 +1289,7 @@ module.exports = grammar({
       prec.left(
         seq(
           optional($.modifiers),
+          optional("indirect"),
           "case",
           sep1(
             seq(