Add block comments

src/grammar.json

@@ -34,6 +34,23 @@
         }
       ]
     },
+    "block_comment": {
+      "type": "SEQ",
+      "members": [
+        {
+          "type": "STRING",
+          "value": "/*"
+        },
+        {
+          "type": "PATTERN",
+          "value": "[^*]*\\*+([^/*][^*]*\\*+)*"
+        },
+        {
+          "type": "STRING",
+          "value": "/"
+        }
+      ]
+    },
     "assignment": {
       "type": "SEQ",
       "members": [
@@ -936,6 +953,10 @@
     {
       "type": "SYMBOL",
       "name": "line_comment"
+    },
+    {
+      "type": "SYMBOL",
+      "name": "block_comment"
     }
   ],
   "conflicts": [],

src/node-types.json

@@ -167,6 +167,11 @@
       }
     }
   },
+  {
+    "type": "block_comment",
+    "named": true,
+    "fields": {}
+  },
   {
     "type": "boolean_literal",
     "named": true,
@@ -648,6 +653,14 @@
     "type": "-",
     "named": false
   },
+  {
+    "type": "/",
+    "named": false
+  },
+  {
+    "type": "/*",
+    "named": false
+  },
   {
     "type": "//",
     "named": false