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