comparison vendor/nikic/php-parser/lib/PhpParser/Node/Scalar/LNumber.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\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 }