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// file : Example/Introspection/InheritanceTree/inheritance_tree.cpp
// author : Boris Kolpackov <boris@kolpackov.net>
// copyright : Copyright (c) 2002-2003 Boris Kolpackov
// license : http://kolpackov.net/license.html
// Note: This example is by no means complete. In fact properly printing
// arbitrary C++ inheritance tree is a non-trivial task. If you would like
// to improve this example please feel free to send your results back ;-).
//
#include "Hierarchy.hpp"
#include <set>
#include <iostream>
using std::endl;
typedef
std::set<TypeId>
TypeIdSet;
void
print_inheritance_tree_core (std::ostream& os,
TypeInfo const& ti,
TypeIdSet& set)
{
bool nl = false;
for (TypeInfo::BaseIterator i = ti.begin_base ();
i != ti.end_base ();
i++)
{
TypeId tid (i->type_info ().type_id ());
if (set.find (tid) != set.end ()) continue;
nl = true;
set.insert (tid);
print_inheritance_tree_core (os, i->type_info (), set);
}
if (nl) os << endl;
os << ti.type_id () << " ";
}
void
print_inheritance_tree (std::ostream& os, TypeInfo const& ti)
{
TypeIdSet set;
print_inheritance_tree_core (os, ti, set);
os << endl;
}
int
main ()
{
B* b = new D;
print_inheritance_tree (std::cout, b->type_info ());
delete b;
}
//$Id$
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