import org.bridj.CRuntime; //导入依赖的package包/类
@Override
public boolean matches(Type type, Annotations annotations) {
    Class<?> typeClass = getTypeClass(type);
    if (!Callback.class.isAssignableFrom(typeClass))
        return false;
    Method method = CRuntime.getInstance().getFastestCallbackMethod(typeClass);
    if (method == null)
        return false;
    return function.matches(method);
}
 

import org.bridj.CRuntime; //导入依赖的package包/类
static int getArgumentsStackSize(Method method) {
    int total = 0;
    Type[] paramTypes = method.getGenericParameterTypes();
    Annotation[][] anns = method.getParameterAnnotations();
    for (int iArg = 0, nArgs = paramTypes.length; iArg < nArgs; iArg++) {
        Class<?> paramType = getTypeClass(paramTypes[iArg]);
        if (paramType == int.class) {
            total += 4;
        } else if (paramType == long.class) {
            Annotation[] as = anns[iArg];
            if (isAnnotationPresent(Ptr.class, as) || isAnnotationPresent(org.bridj.ann.CLong.class, as)) //if (hasInstance(anns[iArg], Ptr.class, CLong.class))
            {
                total += Pointer.SIZE;
            } else {
                total += 8;
            }
        } else if (paramType == float.class) {
            total += 4;
        } else if (paramType == double.class) {
            total += 8;
        } else if (paramType == byte.class) {
            total += 1;
        } else if (paramType == char.class) {
            total += Platform.WCHAR_T_SIZE;
        } else if (paramType == CLong.class) {
            total += Platform.CLONG_SIZE;
        } else if (paramType == SizeT.class) {
            total += Platform.SIZE_T_SIZE;
        } else if (paramType == TimeT.class) {
            total += Platform.TIME_T_SIZE;
        } else if (paramType == short.class) {
            total += 2;
        } else if (paramType == boolean.class) {
            total += 1;
        } else if (Pointer.class.isAssignableFrom(paramType)) {
            total += Pointer.SIZE;
        } else if (NativeObject.class.isAssignableFrom(paramType)) {
            total += ((CRuntime) BridJ.getRuntime(paramType)).sizeOf(paramTypes[iArg], null);
        } else if (FlagSet.class.isAssignableFrom(paramType)) {
            total += 4; // TODO
        } else {
            throw new RuntimeException("Type not handled : " + paramType.getName());
        }
    }
    return total;
}