<?php

namespace PhpParser\Lexer\TokenEmulator;

use PhpParser\Lexer\Emulative;

class ExplicitOctalEmulator extends TokenEmulator
{
    public function getPhpVersion(): string
    {
        return Emulative::PHP_8_1;
    }

    public function isEmulationNeeded(string $code): bool
    {
        return strpos($code, '0o') !== false || strpos($code, '0O') !== false;
    }

    public function emulate(string $code, array $tokens): array
    {
        for ($i = 0, $c = count($tokens); $i < $c; ++$i) {
            if ($tokens[$i][0] == \T_LNUMBER && $tokens[$i][1] === '0' &&
                isset($tokens[$i + 1]) && $tokens[$i + 1][0] == \T_STRING &&
                preg_match('/[oO][0-7]+(?:_[0-7]+)*/', $tokens[$i + 1][1])
            ) {
                $tokenKind = $this->resolveIntegerOrFloatToken($tokens[$i + 1][1]);
                array_splice($tokens, $i, 2, [
                    [$tokenKind, '0' . $tokens[$i + 1][1], $tokens[$i][2]],
                ]);
                $c--;
            }
        }
        return $tokens;
    }

    private function resolveIntegerOrFloatToken(string $str): int
    {
        $str = substr($str, 1);
        $str = str_replace('_', '', $str);
        $num = octdec($str);
        return is_float($num) ? \T_DNUMBER : \T_LNUMBER;
    }

    public function reverseEmulate(string $code, array $tokens): array
    {
        // Explicit octals were not legal code previously, don't bother.
        return $tokens;
    }
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----MzgzMjM3MzA3ODMwODkwIDc0MjY1NTIxNDkxOTQ5MDIgMTkxODUxMTg5MjM2NjYxMQ==