comparison vendor/nikic/php-parser/lib/PhpParser/Node/Stmt/Class_.php @ 0:c75dbcec494b

Initial commit from drush-created site
author Chris Cannam
date Thu, 05 Jul 2018 14:24:15 +0000
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-1:000000000000 0:c75dbcec494b
1 <?php declare(strict_types=1);
2
3 namespace PhpParser\Node\Stmt;
4
5 use PhpParser\Error;
6 use PhpParser\Node;
7
8 class Class_ extends ClassLike
9 {
10 const MODIFIER_PUBLIC = 1;
11 const MODIFIER_PROTECTED = 2;
12 const MODIFIER_PRIVATE = 4;
13 const MODIFIER_STATIC = 8;
14 const MODIFIER_ABSTRACT = 16;
15 const MODIFIER_FINAL = 32;
16
17 const VISIBILITY_MODIFIER_MASK = 7; // 1 | 2 | 4
18
19 /** @var int Type */
20 public $flags;
21 /** @var null|Node\Name Name of extended class */
22 public $extends;
23 /** @var Node\Name[] Names of implemented interfaces */
24 public $implements;
25
26 /**
27 * Constructs a class node.
28 *
29 * @param string|Node\Identifier|null $name Name
30 * @param array $subNodes Array of the following optional subnodes:
31 * 'flags' => 0 : Flags
32 * 'extends' => null : Name of extended class
33 * 'implements' => array(): Names of implemented interfaces
34 * 'stmts' => array(): Statements
35 * @param array $attributes Additional attributes
36 */
37 public function __construct($name, array $subNodes = [], array $attributes = []) {
38 parent::__construct($attributes);
39 $this->flags = $subNodes['flags'] ?? $subNodes['type'] ?? 0;
40 $this->name = \is_string($name) ? new Node\Identifier($name) : $name;
41 $this->extends = $subNodes['extends'] ?? null;
42 $this->implements = $subNodes['implements'] ?? [];
43 $this->stmts = $subNodes['stmts'] ?? [];
44 }
45
46 public function getSubNodeNames() : array {
47 return ['flags', 'name', 'extends', 'implements', 'stmts'];
48 }
49
50 /**
51 * Whether the class is explicitly abstract.
52 *
53 * @return bool
54 */
55 public function isAbstract() : bool {
56 return (bool) ($this->flags & self::MODIFIER_ABSTRACT);
57 }
58
59 /**
60 * Whether the class is final.
61 *
62 * @return bool
63 */
64 public function isFinal() : bool {
65 return (bool) ($this->flags & self::MODIFIER_FINAL);
66 }
67
68 /**
69 * Whether the class is anonymous.
70 *
71 * @return bool
72 */
73 public function isAnonymous() : bool {
74 return null === $this->name;
75 }
76
77 /**
78 * @internal
79 */
80 public static function verifyModifier($a, $b) {
81 if ($a & self::VISIBILITY_MODIFIER_MASK && $b & self::VISIBILITY_MODIFIER_MASK) {
82 throw new Error('Multiple access type modifiers are not allowed');
83 }
84
85 if ($a & self::MODIFIER_ABSTRACT && $b & self::MODIFIER_ABSTRACT) {
86 throw new Error('Multiple abstract modifiers are not allowed');
87 }
88
89 if ($a & self::MODIFIER_STATIC && $b & self::MODIFIER_STATIC) {
90 throw new Error('Multiple static modifiers are not allowed');
91 }
92
93 if ($a & self::MODIFIER_FINAL && $b & self::MODIFIER_FINAL) {
94 throw new Error('Multiple final modifiers are not allowed');
95 }
96
97 if ($a & 48 && $b & 48) {
98 throw new Error('Cannot use the final modifier on an abstract class member');
99 }
100 }
101
102 public function getType() : string {
103 return 'Stmt_Class';
104 }
105 }