--- /dev/null
+<?php
+
+/*
+ * This file is part of the Prophecy.
+ * (c) Konstantin Kudryashov <ever.zet@gmail.com>
+ * Marcello Duarte <marcello.duarte@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Prophecy\Doubler\Generator\Node;
+
+/**
+ * Argument node.
+ *
+ * @author Konstantin Kudryashov <ever.zet@gmail.com>
+ */
+class ArgumentNode
+{
+ private $name;
+ private $typeHint;
+ private $default;
+ private $optional = false;
+ private $byReference = false;
+ private $isVariadic = false;
+ private $isNullable = false;
+
+ /**
+ * @param string $name
+ */
+ public function __construct($name)
+ {
+ $this->name = $name;
+ }
+
+ public function getName()
+ {
+ return $this->name;
+ }
+
+ public function getTypeHint()
+ {
+ return $this->typeHint;
+ }
+
+ public function setTypeHint($typeHint = null)
+ {
+ $this->typeHint = $typeHint;
+ }
+
+ public function hasDefault()
+ {
+ return $this->isOptional() && !$this->isVariadic();
+ }
+
+ public function getDefault()
+ {
+ return $this->default;
+ }
+
+ public function setDefault($default = null)
+ {
+ $this->optional = true;
+ $this->default = $default;
+ }
+
+ public function isOptional()
+ {
+ return $this->optional;
+ }
+
+ public function setAsPassedByReference($byReference = true)
+ {
+ $this->byReference = $byReference;
+ }
+
+ public function isPassedByReference()
+ {
+ return $this->byReference;
+ }
+
+ public function setAsVariadic($isVariadic = true)
+ {
+ $this->isVariadic = $isVariadic;
+ }
+
+ public function isVariadic()
+ {
+ return $this->isVariadic;
+ }
+
+ public function isNullable()
+ {
+ return $this->isNullable;
+ }
+
+ public function setAsNullable($isNullable = true)
+ {
+ $this->isNullable = $isNullable;
+ }
+}