unsigned integer constraint (uint)

tree-sitter-brolang/grammar.js

@@ -228,7 +228,7 @@ module.exports = grammar({
     _type_constant: $ => seq(optional('-'), choice($.integer, $.character)),
 
     builtin_type: _ => choice(
-      'void', 'anyopaque', 'bool', 'int', 'float', 'range',
+      'void', 'anyopaque', 'bool', 'int', 'uint', 'float', 'range',
       'i8', 'i16', 'i32', 'i64', 'u8', 'u16', 'u32', 'u64',
       'isize', 'usize', 'f32', 'f64',
       'c_char', 'c_schar', 'c_uchar', 'c_short', 'c_ushort',

tree-sitter-brolang/src/grammar.json

@@ -1476,6 +1476,10 @@
           "type": "STRING",
           "value": "int"
         },
+        {
+          "type": "STRING",
+          "value": "uint"
+        },
         {
           "type": "STRING",
           "value": "float"

tree-sitter-brolang/src/node-types.json

@@ -2815,6 +2815,10 @@
     "type": "u8",
     "named": false
   },
+  {
+    "type": "uint",
+    "named": false
+  },
   {
     "type": "undefined",
     "named": true

tree-sitter-brolang/test/corpus/syntax.txt

@@ -493,3 +493,19 @@ visit func(kind Kind, value Value) void {
                       (sink))
                     (expression
                       (identifier))))))))))))
+
+==================
+Unsigned constraint
+==================
+
+value uint :: 255
+
+---
+
+(source_file
+  (global_constant_declaration
+    (identifier)
+    (type
+      (builtin_type))
+    (expression
+      (integer))))

tree-sitter-brolang/test/highlight/intrinsics.bro

@@ -1,6 +1,9 @@
 hide helper func() void {}
 # <- keyword
 
+value uint :: 1
+#     ^^^^ type.builtin
+
 main func() void {
 	_ = sizeof!(i32)
 #	    ^^^^^^ function.builtin