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;
}
