/**
* This method will parse a formal parameter. A formal parameter is at least
* a variable name, but can also contain a default parameter value.
*
* <code>
* // -- -------
* function foo(Bar $x, $y = 42) {}
* // -- -------
* </code>
*
* @return PHP_Depend_Code_ASTFormalParameter
* @since 0.9.6
*/
private function parseFormalParameter()
{
$parameter = $this->builder->buildAstFormalParameter();
$parameter->addChild($this->parseVariableDeclarator());
return $parameter;
}
