handle module paths in member_expression (#248)

Author: CarlOlson

grammar.js

@@ -1082,7 +1082,7 @@ module.exports = grammar({
       field('record', $.primary_expression),
       '.',
       optional(seq(
-        field('module', $.module_identifier),
+        field('module', seq(repeat(seq($.module_identifier, '.')), $.module_identifier)),
         '.'
       )),
       field('property', alias($.value_identifier, $.property_identifier)),

src/grammar.json

@@ -5458,8 +5458,29 @@
                     "type": "FIELD",
                     "name": "module",
                     "content": {
-                      "type": "SYMBOL",
-                      "name": "module_identifier"
+                      "type": "SEQ",
+                      "members": [
+                        {
+                          "type": "REPEAT",
+                          "content": {
+                            "type": "SEQ",
+                            "members": [
+                              {
+                                "type": "SYMBOL",
+                                "name": "module_identifier"
+                              },
+                              {
+                                "type": "STRING",
+                                "value": "."
+                              }
+                            ]
+                          }
+                        },
+                        {
+                          "type": "SYMBOL",
+                          "name": "module_identifier"
+                        }
+                      ]
                     }
                   },
                   {

src/node-types.json

@@ -2356,9 +2356,13 @@
     "named": true,
     "fields": {
       "module": {
-        "multiple": false,
+        "multiple": true,
         "required": false,
         "types": [
+          {
+            "type": ".",
+            "named": false
+          },
           {
             "type": "module_identifier",
             "named": true