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106 lines
3.2 KiB
PHP
106 lines
3.2 KiB
PHP
<?php declare(strict_types=1);
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namespace PhpParser\Node\Stmt;
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use PhpParser\Error;
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use PhpParser\Node;
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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_MODIFIER_MASK = 7; // 1 | 2 | 4
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/** @var int Type */
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public $flags;
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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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/**
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* Constructs a class node.
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*
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* @param string|Node\Identifier|null $name Name
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* @param array $subNodes Array of the following optional subnodes:
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* 'flags' => 0 : Flags
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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 $attributes = []) {
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parent::__construct($attributes);
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$this->flags = $subNodes['flags'] ?? $subNodes['type'] ?? 0;
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$this->name = \is_string($name) ? new Node\Identifier($name) : $name;
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$this->extends = $subNodes['extends'] ?? null;
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$this->implements = $subNodes['implements'] ?? [];
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$this->stmts = $subNodes['stmts'] ?? [];
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}
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public function getSubNodeNames() : array {
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return ['flags', 'name', 'extends', 'implements', 'stmts'];
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}
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/**
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* Whether the class is explicitly abstract.
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*
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* @return bool
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*/
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public function isAbstract() : bool {
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return (bool) ($this->flags & self::MODIFIER_ABSTRACT);
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}
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/**
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* Whether the class is final.
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*
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* @return bool
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*/
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public function isFinal() : bool {
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return (bool) ($this->flags & self::MODIFIER_FINAL);
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}
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/**
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* Whether the class is anonymous.
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*
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* @return bool
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*/
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public function isAnonymous() : bool {
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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_MODIFIER_MASK && $b & self::VISIBILITY_MODIFIER_MASK) {
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throw new Error('Multiple access type modifiers are not allowed');
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}
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if ($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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function getType() : string {
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return 'Stmt_Class';
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}
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}
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