Add unknown ranges and open object values

editors/tree-sitter-decodal/corpus/basic.txt

@@ -210,3 +210,29 @@ Map constraint and ascription
             (field_definition
               path: (field_path (identifier))
               value: (identifier))))))))
+
+==================
+Unknown object rest constraint
+==================
+{
+  value = {
+    hoge = Int;
+    fuga = String;
+    ...Unknown
+  };
+}
+---
+
+(source_file
+  (object
+    (field_definition
+      path: (field_path (identifier))
+      value: (object
+        (field_definition
+          path: (field_path (identifier))
+          value: (identifier))
+        (field_definition
+          path: (field_path (identifier))
+          value: (identifier))
+        (object_rest
+          value: (identifier))))))

editors/tree-sitter-decodal/grammar.js

@@ -99,10 +99,20 @@ module.exports = grammar({
 
     object: $ => seq(
       '{',
-      semiSep($.field_definition),
+      optional(seq(
+        $.field_definition,
+        repeat(seq(';', $.field_definition)),
+        optional(seq(';', $.object_rest)),
+        optional(';'),
+      )),
       '}',
     ),
 
+    object_rest: $ => seq(
+      '...',
+      field('value', $._expression),
+    ),
+
     map_constraint: $ => seq(
       '{',
       '...',

editors/tree-sitter-decodal/queries/highlights.scm

@@ -54,7 +54,7 @@
 ] @punctuation.delimiter
 
 ((identifier) @type.builtin
- (#match? @type.builtin "^(String|Int|Float|Bool)$"))
+ (#match? @type.builtin "^(String|Int|Float|Bool|Unknown)$"))
 
 (field_definition
   path: (field_path (identifier) @property))

editors/tree-sitter-decodal/src/grammar.json

@@ -302,6 +302,27 @@
                     ]
                   }
                 },
+                {
+                  "type": "CHOICE",
+                  "members": [
+                    {
+                      "type": "SEQ",
+                      "members": [
+                        {
+                          "type": "STRING",
+                          "value": ";"
+                        },
+                        {
+                          "type": "SYMBOL",
+                          "name": "object_rest"
+                        }
+                      ]
+                    },
+                    {
+                      "type": "BLANK"
+                    }
+                  ]
+                },
                 {
                   "type": "CHOICE",
                   "members": [
@@ -327,6 +348,23 @@
         }
       ]
     },
+    "object_rest": {
+      "type": "SEQ",
+      "members": [
+        {
+          "type": "STRING",
+          "value": "..."
+        },
+        {
+          "type": "FIELD",
+          "name": "value",
+          "content": {
+            "type": "SYMBOL",
+            "name": "_expression"
+          }
+        }
+      ]
+    },
     "map_constraint": {
       "type": "SEQ",
       "members": [

editors/tree-sitter-decodal/src/node-types.json

@@ -1758,10 +1758,102 @@
         {
           "type": "field_definition",
           "named": true
+        },
+        {
+          "type": "object_rest",
+          "named": true
         }
       ]
     }
   },
+  {
+    "type": "object_rest",
+    "named": true,
+    "fields": {
+      "value": {
+        "multiple": false,
+        "required": true,
+        "types": [
+          {
+            "type": "array",
+            "named": true
+          },
+          {
+            "type": "array_constraint",
+            "named": true
+          },
+          {
+            "type": "as_expression",
+            "named": true
+          },
+          {
+            "type": "binary_expression",
+            "named": true
+          },
+          {
+            "type": "call_expression",
+            "named": true
+          },
+          {
+            "type": "comparison_constraint",
+            "named": true
+          },
+          {
+            "type": "default_expression",
+            "named": true
+          },
+          {
+            "type": "function_expression",
+            "named": true
+          },
+          {
+            "type": "identifier",
+            "named": true
+          },
+          {
+            "type": "import_expression",
+            "named": true
+          },
+          {
+            "type": "let_expression",
+            "named": true
+          },
+          {
+            "type": "literal",
+            "named": true
+          },
+          {
+            "type": "map_constraint",
+            "named": true
+          },
+          {
+            "type": "match_expression",
+            "named": true
+          },
+          {
+            "type": "object",
+            "named": true
+          },
+          {
+            "type": "parenthesized_expression",
+            "named": true
+          },
+          {
+            "type": "path_expression",
+            "named": true
+          },
+          {
+            "type": "regex_literal",
+            "named": true
+          },
+          {
+            "type": "unary_expression",
+            "named": true
+          }
+        ]
+      }
+    }
+  },
   {
     "type": "parameter",
     "named": true,