Allow terminating "," in case_clauses

tree-sitter · Dec 14, 2021 · 3c903f0 · 3c903f0
1 parent e0ab4cd
commit 3c903f0
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Showing 4 changed files with 27,516 additions and 23,449 deletions.
diff --git a/grammar.js b/grammar.js
@@ -259,12 +259,14 @@ module.exports = grammar({
     match_statement: $ => seq(
       'match',
       field('subject', $.expression),
+      optional(','),
       ':',
       repeat(field('alternative', $.case_clause))),
 
     case_clause: $ => seq(
       'case',
       commaSep1(field('pattern', choice($.expression, $.list_splat_pattern))),
+      optional(','),
       optional($.if_clause),
       ':',
       field('consequence', $._suite)

diff --git a/src/grammar.json b/src/grammar.json
@@ -975,6 +975,18 @@
             }
           ]
         },
+        {
+          "type": "CHOICE",
+          "members": [
+            {
+              "type": "STRING",
+              "value": ","
+            },
+            {
+              "type": "BLANK"
+            }
+          ]
+        },
         {
           "type": "CHOICE",
           "members": [