Latte\MacroTokens::parse PHP Method

    public function parse($s)
    {
        self::$tokenizer = self::$tokenizer ?: new Tokenizer([self::T_WHITESPACE => '\\s+', self::T_COMMENT => '(?s)/\\*.*?\\*/', self::T_STRING => Parser::RE_STRING, self::T_KEYWORD => '(?:true|false|null|TRUE|FALSE|NULL|INF|NAN|and|or|xor|clone|new|instanceof|return|continue|break)(?![\\w\\pL_])', self::T_CAST => '\\((?:expand|string|array|int|integer|float|bool|boolean|object)\\)', self::T_VARIABLE => '\\$[\\w\\pL_]+', self::T_NUMBER => '[+-]?[0-9]+(?:\\.[0-9]+)?(?:e[0-9]+)?', self::T_SYMBOL => '[\\w\\pL_]+(?:-[\\w\\pL_]+)*', self::T_CHAR => '::|=>|->|\\+\\+|--|<<|>>|<=>|<=|>=|===|!==|==|!=|<>|&&|\\|\\||\\?\\?|\\?>|\\*\\*|\\.\\.\\.|[^"\']'], 'u');
        return self::$tokenizer->tokenize($s);
    }