mirror of
https://github.com/phabelio/PHP-Parser.git
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113 lines
3.8 KiB
PHP
113 lines
3.8 KiB
PHP
<?php
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namespace PhpParser\Node\Stmt;
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use PhpParser\Node;
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use PhpParser\Error;
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class Class_ extends ClassLike
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{
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const MODIFIER_PUBLIC = 1;
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const MODIFIER_PROTECTED = 2;
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const MODIFIER_PRIVATE = 4;
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const MODIFIER_STATIC = 8;
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const MODIFIER_ABSTRACT = 16;
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const MODIFIER_FINAL = 32;
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const VISIBILITY_MODIFER_MASK = 7; // 1 | 2 | 4
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/** @var int Type */
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public $type;
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/** @var null|Node\Name Name of extended class */
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public $extends;
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/** @var Node\Name[] Names of implemented interfaces */
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public $implements;
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protected static $specialNames = array(
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'self' => true,
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'parent' => true,
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'static' => true,
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);
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/**
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* Constructs a class node.
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*
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* @param string|null $name Name
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* @param array $subNodes Array of the following optional subnodes:
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* 'type' => 0 : Type
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* 'extends' => null : Name of extended class
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* 'implements' => array(): Names of implemented interfaces
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* 'stmts' => array(): Statements
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* @param array $attributes Additional attributes
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*/
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public function __construct($name, array $subNodes = array(), array $attributes = array()) {
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parent::__construct(null, $attributes);
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$this->type = isset($subNodes['type']) ? $subNodes['type'] : 0;
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$this->name = $name;
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$this->extends = isset($subNodes['extends']) ? $subNodes['extends'] : null;
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$this->implements = isset($subNodes['implements']) ? $subNodes['implements'] : array();
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$this->stmts = isset($subNodes['stmts']) ? $subNodes['stmts'] : array();
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if (null !== $this->name && isset(self::$specialNames[strtolower($this->name)])) {
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throw new Error(sprintf('Cannot use \'%s\' as class name as it is reserved', $this->name));
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}
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if (isset(self::$specialNames[strtolower($this->extends)])) {
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throw new Error(
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sprintf('Cannot use \'%s\' as class name as it is reserved', $this->extends),
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$this->extends->getAttributes()
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);
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}
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foreach ($this->implements as $interface) {
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if (isset(self::$specialNames[strtolower($interface)])) {
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throw new Error(
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sprintf('Cannot use \'%s\' as interface name as it is reserved', $interface),
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$interface->getAttributes()
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);
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}
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}
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}
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public function getSubNodeNames() {
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return array('type', 'name', 'extends', 'implements', 'stmts');
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}
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public function isAbstract() {
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return (bool) ($this->type & self::MODIFIER_ABSTRACT);
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}
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public function isFinal() {
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return (bool) ($this->type & self::MODIFIER_FINAL);
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}
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public function isAnonymous() {
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return null === $this->name;
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}
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/**
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* @internal
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*/
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public static function verifyModifier($a, $b) {
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if ($a & self::VISIBILITY_MODIFER_MASK && $b & self::VISIBILITY_MODIFER_MASK) {
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throw new Error('Multiple access type modifiers are not allowed');
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}
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if ($a & self::MODIFIER_ABSTRACT && $b & self::MODIFIER_ABSTRACT) {
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throw new Error('Multiple abstract modifiers are not allowed');
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}
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if ($a & self::MODIFIER_STATIC && $b & self::MODIFIER_STATIC) {
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throw new Error('Multiple static modifiers are not allowed');
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}
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if ($a & self::MODIFIER_FINAL && $b & self::MODIFIER_FINAL) {
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throw new Error('Multiple final modifiers are not allowed');
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}
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if ($a & 48 && $b & 48) {
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throw new Error('Cannot use the final modifier on an abstract class member');
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}
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}
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}
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