From 4a1d56285559545a56cb7c79a0ea1564f01e09e5 Mon Sep 17 00:00:00 2001
From: Ruben Beltran del Rio <ruben@unlimited.pizza>
Date: Wed, 4 Oct 2023 14:06:17 +0200
Subject: Add optionals

---
 src/grammar.json | 30 ++++++++++++++++++++++++++++--
 1 file changed, 28 insertions(+), 2 deletions(-)

(limited to 'src/grammar.json')

diff --git a/src/grammar.json b/src/grammar.json
index 1d2d121..e25308a 100644
--- a/src/grammar.json
+++ b/src/grammar.json
@@ -316,8 +316,17 @@
         "type": "SEQ",
         "members": [
           {
-            "type": "SYMBOL",
-            "name": "_label"
+            "type": "CHOICE",
+            "members": [
+              {
+                "type": "SYMBOL",
+                "name": "optional_value"
+              },
+              {
+                "type": "SYMBOL",
+                "name": "_label"
+              }
+            ]
           },
           {
             "type": "CHOICE",
@@ -370,6 +379,23 @@
         ]
       }
     },
+    "optional_value": {
+      "type": "SEQ",
+      "members": [
+        {
+          "type": "STRING",
+          "value": "["
+        },
+        {
+          "type": "SYMBOL",
+          "name": "_label"
+        },
+        {
+          "type": "STRING",
+          "value": "]"
+        }
+      ]
+    },
     "type_annotation": {
       "type": "SEQ",
       "members": [
-- 
cgit