Initial commit: Tree-sitter grammar for Hack Binary language

grammar.js

@@ -0,0 +1,30 @@
+module.exports = grammar({
+  name: 'hack_binary',
+
+  rules: {
+    source_file: $ => repeat($._item),
+
+    _item: $ => choice(
+      $.binary_instruction,
+      $.comment,
+      $._whitespace
+    ),
+
+    // 16-bit binary instruction
+    binary_instruction: $ => $.bit_sequence,
+
+    // 16-bit sequence of 0s and 1s
+    bit_sequence: $ => /[01]{16}/,
+
+    // Comments
+    comment: $ => token(seq('//', /.*/)),
+
+    // Whitespace
+    _whitespace: $ => /\s+/
+  },
+
+  extras: $ => [
+    /\s/,
+    $.comment
+  ]
+});