Not hide preprocessor_call extras node

Author: pplam

grammar.js

@@ -32,7 +32,7 @@ module.exports = grammar({
   extras: $ => [
     $.comment,
     /[\s\u00A0\uFEFF\u3000]+/,
-    $._preprocessor_call
+    $.preprocessor_call
   ],
 
   supertypes: $ => [
@@ -1721,7 +1721,7 @@ module.exports = grammar({
     return_type: $ => choice($._type, $.void_keyword),
     void_keyword: $ => 'void',
 
-    _preprocessor_call: $ => seq(
+    preprocessor_call: $ => seq(
       $._preproc_directive_start,
       choice(
         $.nullable_directive,

src/grammar.json

@@ -9499,7 +9499,7 @@
       "type": "STRING",
       "value": "void"
     },
-    "_preprocessor_call": {
+    "preprocessor_call": {
       "type": "SEQ",
       "members": [
         {
@@ -10154,7 +10154,7 @@
     },
     {
       "type": "SYMBOL",
-      "name": "_preprocessor_call"
+      "name": "preprocessor_call"
     }
   ],
   "conflicts": [

src/node-types.json

@@ -4664,6 +4664,69 @@
       ]
     }
   },
+  {
+    "type": "preprocessor_call",
+    "named": true,
+    "fields": {},
+    "children": {
+      "multiple": false,
+      "required": true,
+      "types": [
+        {
+          "type": "define_directive",
+          "named": true
+        },
+        {
+          "type": "elif_directive",
+          "named": true
+        },
+        {
+          "type": "else_directive",
+          "named": true
+        },
+        {
+          "type": "endif_directive",
+          "named": true
+        },
+        {
+          "type": "endregion_directive",
+          "named": true
+        },
+        {
+          "type": "error_directive",
+          "named": true
+        },
+        {
+          "type": "if_directive",
+          "named": true
+        },
+        {
+          "type": "line_directive",
+          "named": true
+        },
+        {
+          "type": "nullable_directive",
+          "named": true
+        },
+        {
+          "type": "pragma_directive",
+          "named": true
+        },
+        {
+          "type": "region_directive",
+          "named": true
+        },
+        {
+          "type": "undef_directive",
+          "named": true
+        },
+        {
+          "type": "warning_directive",
+          "named": true
+        }
+      ]
+    }
+  },
   {
     "type": "primary_constructor_base_type",
     "named": true,