Re: Definition order of POD
On Mar 16, 5:02 am, "hurcan solter" <hsol...@gmail.com> wrote:
{ Note: multi-posted to [comp.lang.c++]. -mod/aps }
I am generating a bunch of class type PODs from an xml file.The thing
is,xml file has no notion of order of definitions, so I end up in
situations like;
struct a
{
b bval;
};
struct b
{
int aval;};
which wont compile because b is not yet defined when the compiler hits
it.
I also dont want to split them into different files because there are
numerous
and also like to provide to clients a single point of entry.is there a
way to
avoid or circumvent this situation lest I should have to modify the
xml file itself?
Any help would be greatly appreciated....
You might bypass this by providing forward declarations first, like
this:
struct a;
struct b;
Of course, this only works if you use pointers (of some sort) instead
of plain values, like this:
struct a
{
b* bval; // or `std::auto_ptr<b> bval', or `my_smart_ptr<b>
bval'
};
struct b
{
int aval;
};
Other option is to improve your code generation algorithm, since your
XML data should really already have all the information necessary to
lay that structs in the correct order.
--
Alex Shulgin
--
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