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