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<?php declare(strict_types=1); |
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|
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namespace PhpParser\Node\Scalar; |
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|
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use PhpParser\Error; |
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use PhpParser\Node\Scalar; |
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|
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class LNumber extends Scalar |
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{ |
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/* For use in "kind" attribute */ |
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const KIND_BIN = 2; |
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const KIND_OCT = 8; |
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const KIND_DEC = 10; |
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const KIND_HEX = 16; |
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|
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/** @var int Number value */ |
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public $value; |
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|
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/** |
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* Constructs an integer number scalar node. |
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* |
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* @param int $value Value of the number |
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* @param array $attributes Additional attributes |
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*/ |
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public function __construct(int $value, array $attributes = []) { |
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$this->attributes = $attributes; |
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$this->value = $value; |
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} |
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|
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public function getSubNodeNames() : array { |
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return ['value']; |
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} |
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|
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/** |
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* Constructs an LNumber node from a string number literal. |
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* |
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* @param string $str String number literal (decimal, octal, hex or binary) |
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* @param array $attributes Additional attributes |
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* @param bool $allowInvalidOctal Whether to allow invalid octal numbers (PHP 5) |
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* |
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* @return LNumber The constructed LNumber, including kind attribute |
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*/ |
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public static function fromString(string $str, array $attributes = [], bool $allowInvalidOctal = false) : LNumber { |
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$attributes['rawValue'] = $str; |
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|
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$str = str_replace('_', '', $str); |
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|
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if ('0' !== $str[0] || '0' === $str) { |
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$attributes['kind'] = LNumber::KIND_DEC; |
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return new LNumber((int) $str, $attributes); |
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} |
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|
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if ('x' === $str[1] || 'X' === $str[1]) { |
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$attributes['kind'] = LNumber::KIND_HEX; |
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return new LNumber(hexdec($str), $attributes); |
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} |
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|
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if ('b' === $str[1] || 'B' === $str[1]) { |
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$attributes['kind'] = LNumber::KIND_BIN; |
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return new LNumber(bindec($str), $attributes); |
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} |
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|
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if (!$allowInvalidOctal && strpbrk($str, '89')) { |
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throw new Error('Invalid numeric literal', $attributes); |
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} |
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|
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// Strip optional explicit octal prefix. |
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if ('o' === $str[1] || 'O' === $str[1]) { |
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$str = substr($str, 2); |
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} |
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|
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// use intval instead of octdec to get proper cutting behavior with malformed numbers |
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$attributes['kind'] = LNumber::KIND_OCT; |
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return new LNumber(intval($str, 8), $attributes); |
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} |
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|
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public function getType() : string { |
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return 'Scalar_LNumber'; |
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} |
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} |
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