Chris@13: <?php declare(strict_types=1);
Chris@0: 
Chris@0: namespace PhpParser\Builder;
Chris@0: 
Chris@0: use PhpParser;
Chris@13: use PhpParser\BuilderHelpers;
Chris@0: use PhpParser\Node;
Chris@0: 
Chris@13: class Param implements PhpParser\Builder
Chris@0: {
Chris@0:     protected $name;
Chris@0: 
Chris@0:     protected $default = null;
Chris@0: 
Chris@0:     /** @var string|Node\Name|Node\NullableType|null */
Chris@0:     protected $type = null;
Chris@0: 
Chris@0:     protected $byRef = false;
Chris@0: 
Chris@0:     protected $variadic = false;
Chris@0: 
Chris@0:     /**
Chris@0:      * Creates a parameter builder.
Chris@0:      *
Chris@0:      * @param string $name Name of the parameter
Chris@0:      */
Chris@13:     public function __construct(string $name) {
Chris@0:         $this->name = $name;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Sets default value for the parameter.
Chris@0:      *
Chris@0:      * @param mixed $value Default value to use
Chris@0:      *
Chris@0:      * @return $this The builder instance (for fluid interface)
Chris@0:      */
Chris@0:     public function setDefault($value) {
Chris@13:         $this->default = BuilderHelpers::normalizeValue($value);
Chris@0: 
Chris@0:         return $this;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@17:      * Sets type for the parameter.
Chris@0:      *
Chris@17:      * @param string|Node\Name|Node\NullableType $type Parameter type
Chris@0:      *
Chris@0:      * @return $this The builder instance (for fluid interface)
Chris@0:      */
Chris@17:     public function setType($type) {
Chris@13:         $this->type = BuilderHelpers::normalizeType($type);
Chris@13:         if ($this->type == 'void') {
Chris@0:             throw new \LogicException('Parameter type cannot be void');
Chris@0:         }
Chris@0: 
Chris@0:         return $this;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@17:      * Sets type for the parameter.
Chris@17:      *
Chris@17:      * @param string|Node\Name|Node\NullableType $type Parameter type
Chris@17:      *
Chris@17:      * @return $this The builder instance (for fluid interface)
Chris@17:      *
Chris@17:      * @deprecated Use setType() instead
Chris@17:      */
Chris@17:     public function setTypeHint($type) {
Chris@17:         return $this->setType($type);
Chris@17:     }
Chris@17: 
Chris@17:     /**
Chris@0:      * Make the parameter accept the value by reference.
Chris@0:      *
Chris@0:      * @return $this The builder instance (for fluid interface)
Chris@0:      */
Chris@0:     public function makeByRef() {
Chris@0:         $this->byRef = true;
Chris@0: 
Chris@0:         return $this;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Make the parameter variadic
Chris@0:      *
Chris@0:      * @return $this The builder instance (for fluid interface)
Chris@0:      */
Chris@0:     public function makeVariadic() {
Chris@0:         $this->variadic = true;
Chris@0: 
Chris@0:         return $this;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Returns the built parameter node.
Chris@0:      *
Chris@0:      * @return Node\Param The built parameter node
Chris@0:      */
Chris@13:     public function getNode() : Node {
Chris@0:         return new Node\Param(
Chris@13:             new Node\Expr\Variable($this->name),
Chris@13:             $this->default, $this->type, $this->byRef, $this->variadic
Chris@0:         );
Chris@0:     }
Chris@0: }