<?php

declare(strict_types=1);

namespace Psl\Regex\Internal;

use Closure;
use Psl\Internal;
use Psl\Regex\Exception;

/**
 * @template T
 *
 * @param non-empty-string $function
 * @param Closure(): T $closure
 *
 * @throws Exception\InvalidPatternException
 * @throws Exception\RuntimeException
 *
 * @return T
 *
 * @pure
 *
 * @internal
 */
function call_preg(string $function, Closure $closure): mixed
{
    /** @psalm-suppress ImpureFunctionCall */
    error_clear_last();

    /** @psalm-suppress ImpureFunctionCall */
    $result = Internal\suppress($closure);
    $error = get_preg_error($function);
    // @codeCoverageIgnoreStart
    if (null !== $error) {
        if (null !== $error['pattern_message']) {
            throw new Exception\InvalidPatternException($error['pattern_message'], $error['code']);
        }

        throw new Exception\RuntimeException($error['message'], $error['code']);
    }
    // @codeCoverageIgnoreEnd

    return $result;
}