Mercurial > hg > cmmr2012-drupal-site
comparison vendor/nikic/php-parser/lib/PhpParser/Node/Scalar/LNumber.php @ 0:c75dbcec494b
Initial commit from drush-created site
author | Chris Cannam |
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date | Thu, 05 Jul 2018 14:24:15 +0000 |
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-1:000000000000 | 0:c75dbcec494b |
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1 <?php declare(strict_types=1); | |
2 | |
3 namespace PhpParser\Node\Scalar; | |
4 | |
5 use PhpParser\Error; | |
6 use PhpParser\Node\Scalar; | |
7 | |
8 class LNumber extends Scalar | |
9 { | |
10 /* For use in "kind" attribute */ | |
11 const KIND_BIN = 2; | |
12 const KIND_OCT = 8; | |
13 const KIND_DEC = 10; | |
14 const KIND_HEX = 16; | |
15 | |
16 /** @var int Number value */ | |
17 public $value; | |
18 | |
19 /** | |
20 * Constructs an integer number scalar node. | |
21 * | |
22 * @param int $value Value of the number | |
23 * @param array $attributes Additional attributes | |
24 */ | |
25 public function __construct(int $value, array $attributes = []) { | |
26 parent::__construct($attributes); | |
27 $this->value = $value; | |
28 } | |
29 | |
30 public function getSubNodeNames() : array { | |
31 return ['value']; | |
32 } | |
33 | |
34 /** | |
35 * Constructs an LNumber node from a string number literal. | |
36 * | |
37 * @param string $str String number literal (decimal, octal, hex or binary) | |
38 * @param array $attributes Additional attributes | |
39 * @param bool $allowInvalidOctal Whether to allow invalid octal numbers (PHP 5) | |
40 * | |
41 * @return LNumber The constructed LNumber, including kind attribute | |
42 */ | |
43 public static function fromString(string $str, array $attributes = [], bool $allowInvalidOctal = false) : LNumber { | |
44 if ('0' !== $str[0] || '0' === $str) { | |
45 $attributes['kind'] = LNumber::KIND_DEC; | |
46 return new LNumber((int) $str, $attributes); | |
47 } | |
48 | |
49 if ('x' === $str[1] || 'X' === $str[1]) { | |
50 $attributes['kind'] = LNumber::KIND_HEX; | |
51 return new LNumber(hexdec($str), $attributes); | |
52 } | |
53 | |
54 if ('b' === $str[1] || 'B' === $str[1]) { | |
55 $attributes['kind'] = LNumber::KIND_BIN; | |
56 return new LNumber(bindec($str), $attributes); | |
57 } | |
58 | |
59 if (!$allowInvalidOctal && strpbrk($str, '89')) { | |
60 throw new Error('Invalid numeric literal', $attributes); | |
61 } | |
62 | |
63 // use intval instead of octdec to get proper cutting behavior with malformed numbers | |
64 $attributes['kind'] = LNumber::KIND_OCT; | |
65 return new LNumber(intval($str, 8), $attributes); | |
66 } | |
67 | |
68 public function getType() : string { | |
69 return 'Scalar_LNumber'; | |
70 } | |
71 } |