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#include "sugar.hpp"
#include "concepts.hpp"
#include <stdexcept>
using namespace intellect::level1;
using namespace concepts;
namespace intellect {
namespace level1 {
ref a(ref group)
{
static unsigned long long gid = 0;
ref ret(group.name() + "-" + std::to_string(gid++));
ret.link(is, group);
ret.link(is, anonymous);
return ret;
}
ref a(ref group, ref name)
{
if (!name.isa(group)) {
name.link(is, group);
}
return name;
}
ref an(ref group)
{
return a(group);
}
ref an(ref group, ref name)
{
return a(group, name);
}
bool isanonymous(ref topic)
{
return topic.isa(concepts::anonymous);
}
ref movetoname(ref anonymous, ref name)
{
if (!isanonymous(anonymous)) { throw std::invalid_argument("not anonymous"); }
if (isanonymous(name)) { throw std::invalid_argument("not named"); }
// this only provides for writing to empty concepts, because merging concepts is
// best done with a knowledge of which links can be multiply attached, and that
// information is not available at this level.
bool nonempty = false;
for (auto & l : name.links()) {
if (l.first.linked(level0::concepts::allocator(), level0::concepts::level0allocations())) { continue; }
if (l.second.isa(concepts::name)) { continue; }
nonempty = true;
}
if (nonempty) {
for (auto & link : anonymous.links()) {
if (link.first == concepts::is && link.second == concepts::anonymous) { continue; }
if (link.first.linked(level0::concepts::allocator(), level0::concepts::level0allocations())) { continue; }
if (link.second.isa(concepts::name)) { continue; }
if (!name.linked(link.first, link.second)) {
throw std::logic_error(name.name() + " already defined otherwise from " + anonymous.getAll(concepts::is).begin()->name());// + ": \n" + dump(name, ref("dump"), ref(true)) + dump(anonymous, ref("dump"), ref(true)));
}
}
}
anonymous.unlink(concepts::is, concepts::anonymous);
auto nam = anonymous.get(concepts::name);
anonymous.unlink(concepts::name, nam);
if (!nonempty) {
for (auto & l : anonymous.links()) {
if (l.first.linked(level0::concepts::allocator(), level0::concepts::level0allocations())) { continue; }
name.link(l.first, l.second);
}
}
anonymous.link(concepts::name, nam);
dealloc(anonymous, level0::concepts::allocations());
//dealloc(nam, level0::concepts::allocations());
return name;
}
}
}
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