/**
* @return \Pharborist\Objects\ClassMethodNode
*/
protected function addMethod(FunctionDeclarationNode $function, ClassNode $class, $alias = NULL)
{
$method = ClassMethodNode::fromFunction($function);
if ($alias) {
$method->setName($alias);
}
$class->appendMethod($method);
// Add the parameters required for FormInterface conformance.
$parameters = $method->getParameters()->toArray();
if (empty($parameters)) {
$parameters[0] = ParameterNode::create('$form');
$method->appendParameter($parameters[0]);
}
if (sizeof($parameters) == 1) {
$parameters[1] = ParameterNode::create('$form_state');
$method->appendParameter($parameters[1]);
}
// The $form parameter must have the array type hint.
$parameters[0]->setTypeHint('array');
// The form state is never passed by reference.
$parameters[1]->setReference(FALSE);
// Additional parameters MUST have a default value of NULL in order to conform
// to FormInterface.
for ($i = 2; $i < sizeof($parameters); $i++) {
$parameters[$i]->setValue(new TokenNode(T_STRING, 'NULL'));
}
$this->formStateRewriter->rewrite($parameters[1]);
return $method;
}
/**
* Creates a class method from this function and add it to the given
* class definition.
*
* @param \Pharborist\Objects\ClassNode $class
* The class to add the new method to.
*
* @return \Pharborist\Objects\ClassMethodNode
* The newly created method.
*/
public function cloneAsMethodOf(ClassNode $class)
{
$clone = ClassMethodNode::fromFunction($this);
$class->appendMethod($clone);
return $clone;
}
