grammar: support record field access

Author: leostera

grammar.js

@@ -179,6 +179,7 @@ module.exports = grammar({
       choice(
         $.expr_map_update,
         $.expr_record_update,
+        $.expr_record_access,
         $.expr_try,
         $.expr_catch,
         $.expr_throw,
@@ -202,6 +203,12 @@ module.exports = grammar({
     expr_map_update: ($) =>
       prec.left(PREC.EXPR_MAP_UPDATE, seq($.expression, $.map)),
 
+    expr_record_access: ($) =>
+      prec.left(
+        PREC.EXPR_MAP_UPDATE,
+        seq($.expression, HASH, $.atom, DOT, $.atom)
+      ),
+
     expr_record_update: ($) =>
       prec.left(PREC.EXPR_MAP_UPDATE, seq($.expression, $.record)),
 

src/grammar.json

@@ -513,6 +513,10 @@
           "type": "SYMBOL",
           "name": "expr_record_update"
         },
+        {
+          "type": "SYMBOL",
+          "name": "expr_record_access"
+        },
         {
           "type": "SYMBOL",
           "name": "expr_try"
@@ -604,6 +608,35 @@
         ]
       }
     },
+    "expr_record_access": {
+      "type": "PREC_LEFT",
+      "value": 9,
+      "content": {
+        "type": "SEQ",
+        "members": [
+          {
+            "type": "SYMBOL",
+            "name": "expression"
+          },
+          {
+            "type": "STRING",
+            "value": "#"
+          },
+          {
+            "type": "SYMBOL",
+            "name": "atom"
+          },
+          {
+            "type": "STRING",
+            "value": "."
+          },
+          {
+            "type": "SYMBOL",
+            "name": "atom"
+          }
+        ]
+      }
+    },
     "expr_record_update": {
       "type": "PREC_LEFT",
       "value": 9,

src/node-types.json

@@ -736,6 +736,25 @@
       ]
     }
   },
+  {
+    "type": "expr_record_access",
+    "named": true,
+    "fields": {},
+    "children": {
+      "multiple": true,
+      "required": true,
+      "types": [
+        {
+          "type": "atom",
+          "named": true
+        },
+        {
+          "type": "expression",
+          "named": true
+        }
+      ]
+    }
+  },
   {
     "type": "expr_record_update",
     "named": true,
@@ -890,6 +909,10 @@
           "type": "expr_receive",
           "named": true
         },
+        {
+          "type": "expr_record_access",
+          "named": true
+        },
         {
           "type": "expr_record_update",
           "named": true