- Added while/endwhile and do/while syntaxes

- Fix the abstractclass requirement of parse() function

src/ControlStructure/IfToken.php

@@ -6,7 +6,7 @@ class IfToken implements ControlStructure {
 
     public array $token = [ "if", "else", "elseif", "endif" ];
 
-    public function parse(/*\Picae\Compiler\Context*/ &$context, ?string $arguments, string $token) {
+    public function parse(\Picea\Compiler\Context &$context, ?string $arguments, string $token) {
         switch($token) {
             case "if":
                 return "<?php if ($arguments): ?>";