如何通过宏获取类方法的参数类型？

#define GetMethodArgumentTypes(method) \
    [NSString stringWithUTF8String:[NSStringFromSelector(@selector(method)) \
    cStringUsingEncoding:NSUTF8StringEncoding]]

NSString *argumentTypes = GetMethodArgumentTypes(methodName);

NSError *error = nil;
NSRegularExpression *regex = [NSRegularExpression regularExpressionWithPattern:@"(?<=\\()[^\\)]+" options:0 error:&error];
NSArray *matches = [regex matchesInString:argumentTypes options:0 range:NSMakeRange(0, argumentTypes.length)];

for (NSTextCheckingResult *match in matches) {
    NSString *argumentType = [argumentTypes substringWithRange:match.range];
    // 处理参数类型
}