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<?php /** * SCSSPHP * * @copyright 2012-2020 Leaf Corcoran * * @license http://opensource.org/licenses/MIT MIT * * @link http://scssphp.github.io/scssphp / namespace ScssPhpRBE\ScssPhp; final class Warn { /* * @var callable\|null * @phpstan-var (callable(string, bool): void)\|null / private static $callback; /* * Prints a warning message associated with the current `@import` or function call. * * This may only be called within a custom function or importer callback. * * @param string $message * * @return void / public static function warning(string $message): void { self::reportWarning($message, false); } /* * Prints a deprecation warning message associated with the current `@import` or function call. * * This may only be called within a custom function or importer callback. * * @param string $message * * @return void / public static function deprecation(string $message): void { self::reportWarning($message, true); } /* * @param callable\|null $callback * * @return callable\|null The previous warn callback * * @phpstan-param (callable(string, bool): void)\|null $callback * * @phpstan-return (callable(string, bool): void)\|null * * @internal / public static function setCallback(callable $callback = null): ?callable { $previousCallback = self::$callback; self::$callback = $callback; return $previousCallback; } /* * @param string $message * @param bool $deprecation * * @return void */ private static function reportWarning(string $message, bool $deprecation): void { if (self::$callback === null) { throw new \BadMethodCallException('The warning Reporter may only be called within a custom function or importer callback.'); } \call_user_func(self::$callback, $message, $deprecation); } }