grammar: support qualified type application

Author: leostera

grammar.js

@@ -205,7 +205,10 @@ module.exports = grammar({
     type_atom: ($) => $.atom,
 
     type_application: ($) =>
-      prec.right(PREC.MACRO_APPLICATION, seq($.atom, args($.type_expression))),
+      prec.right(
+        PREC.MACRO_APPLICATION,
+        seq(opt(seq($.atom, COLON)), $.atom, args($.type_expression))
+      ),
 
     type_bitstring: ($) =>
       seq(

src/grammar.json

@@ -597,6 +597,27 @@
       "content": {
         "type": "SEQ",
         "members": [
+          {
+            "type": "CHOICE",
+            "members": [
+              {
+                "type": "SEQ",
+                "members": [
+                  {
+                    "type": "SYMBOL",
+                    "name": "atom"
+                  },
+                  {
+                    "type": "STRING",
+                    "value": ":"
+                  }
+                ]
+              },
+              {
+                "type": "BLANK"
+              }
+            ]
+          },
           {
             "type": "SYMBOL",
             "name": "atom"

src/node-types.json

@@ -1698,7 +1698,7 @@
       }
     },
     "children": {
-      "multiple": false,
+      "multiple": true,
       "required": true,
       "types": [
         {