- Added while/endwhile and do/while syntaxes

- Fix the abstractclass requirement of parse() function

src/ControlStructure/OrToken.php

@@ -6,9 +6,9 @@ class OrToken implements ControlStructure {
 
     public string $token = "or";
 
-    public function parse(/*\Picae\Compiler\Context*/ &$context, ?string $arguments, string $token) {
+    public function parse(\Picea\Compiler\Context &$context, ?string $arguments, string $token) {
         if ( empty($context->iterationStack) ) {
-            throw new \LogicException("Token `or` was used outside of iterator. Make sure your `for` or `foreach` declaration are properly made.");
+            throw new \LogicException("Token `or` was used outside of iterator. Make sure your `for`, `foreach`, `while`, `do/until` declaration are properly made.");
         }
 
         $key = count( $context->iterationStack ) - 1;