add collections; improve identifier

src/node-types.json

@@ -60,6 +60,25 @@
       ]
     }
   },
+  {
+    "type": "collection_value",
+    "named": true,
+    "fields": {},
+    "children": {
+      "multiple": false,
+      "required": true,
+      "types": [
+        {
+          "type": "object",
+          "named": true
+        },
+        {
+          "type": "tuple",
+          "named": true
+        }
+      ]
+    }
+  },
   {
     "type": "config_file",
     "named": true,
@@ -83,6 +102,10 @@
       "multiple": false,
       "required": true,
       "types": [
+        {
+          "type": "collection_value",
+          "named": true
+        },
         {
           "type": "expression",
           "named": true
@@ -113,11 +136,6 @@
       ]
     }
   },
-  {
-    "type": "identifier",
-    "named": true,
-    "fields": {}
-  },
   {
     "type": "literal_value",
     "named": true,
@@ -137,11 +155,60 @@
       ]
     }
   },
+  {
+    "type": "object",
+    "named": true,
+    "fields": {},
+    "children": {
+      "multiple": true,
+      "required": false,
+      "types": [
+        {
+          "type": "object_elem",
+          "named": true
+        }
+      ]
+    }
+  },
+  {
+    "type": "object_elem",
+    "named": true,
+    "fields": {},
+    "children": {
+      "multiple": true,
+      "required": true,
+      "types": [
+        {
+          "type": "expression",
+          "named": true
+        },
+        {
+          "type": "identifier",
+          "named": true
+        }
+      ]
+    }
+  },
   {
     "type": "string_lit",
     "named": true,
     "fields": {}
   },
+  {
+    "type": "tuple",
+    "named": true,
+    "fields": {},
+    "children": {
+      "multiple": true,
+      "required": false,
+      "types": [
+        {
+          "type": "expression",
+          "named": true
+        }
+      ]
+    }
+  },
   {
     "type": "variable_expr",
     "named": true,
@@ -169,10 +236,26 @@
     "type": ")",
     "named": false
   },
+  {
+    "type": ",",
+    "named": false
+  },
+  {
+    "type": ":",
+    "named": false
+  },
   {
     "type": "=",
     "named": false
   },
+  {
+    "type": "[",
+    "named": false
+  },
+  {
+    "type": "]",
+    "named": false
+  },
   {
     "type": "comment",
     "named": true
@@ -181,6 +264,10 @@
     "type": "false",
     "named": false
   },
+  {
+    "type": "identifier",
+    "named": true
+  },
   {
     "type": "null",
     "named": false