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#include "funcs.hpp"
#include "../level-1/sugar.hpp"
#include "ref.hpp"
#include "concepts.hpp"
namespace intellect {
using namespace level1;
namespace level2 {
using namespace concepts;
ref & context()
{
static thread_local auto ctx = a(concepts::context);
return ctx;
}
ref makehabit(ref name, std::initializer_list<ref> argnames, std::function<void(ref)> code)
{
ref habit = level1::a(concepts::habit, name);
ref infn = a(habit-information-needed);
habit.set(information-needed, infn);
//habit.set(concepts::habit, concepts::habit);
ref posinf = infn;
for (auto argname : argnames) {
ref nextinf = a(habit-information);
nextinf.set(information, argname);
posinf.set(next-information, nextinf);
posinf = nextinf;
if (!infn.linked(argname)) {
infn.set(argname, nextinf);
} else {
if (!infn.get(argname).isa(habit-information)) {
throw a(unexpected-concepts::habit-information-concepts::name)
.link(concepts::name, argname)
.link(concepts::habit, habit);
}
}
}
habit.fun(code);
return habit;
}
void habitassume(ref habit, ref information, ref assumption)
{
ref infn = habit.get(concepts::information-needed);
infn.get(information).set(assume, assumption);
}
ref dohabit(ref habit, std::initializer_list<ref> args)
{
using namespace concepts;
ref posinf = habit.get(information-needed);
for (ref const & arg : args) {
if (!posinf.linked(next-information)) {
throw an(unexpected-information).link
(concepts::habit, habit,
information-value, arg);
}
posinf = posinf[next-information];
// TODO: subcontexts or call instances
ref::context().set(posinf[information], arg);
}
while (posinf.linked(next-information)) {
posinf = posinf[next-information];
if (!posinf.linked(assume)) {
throw a(information-needed).link
(concepts::habit, habit,
information, posinf);
}
ref::context().set(posinf[information], posinf[assume]);
}
habit.fun<ref>()(ref::context());
posinf = habit.get(information-needed);
while (posinf.linked(next-information)) {
posinf = posinf[next-information];
ref::context().unlink(posinf[information]);
}
if (ref::context().linked(result)) {
ref ret = ref::context().get(result);
ref::context().unlink(result, ret);
return ret;
}
return nothing;
}
ref dohabit(ref habit, std::initializer_list<std::initializer_list<ref>> pairs)
{
using namespace concepts;
// TODO: subcontexts or call instances
ref ctx = ref::context();
ref infn = habit.get(information-needed);
std::map<ref, ref> provided;
for (auto pair : pairs) {
auto second = pair.begin(); ++ second;
if (!infn.linked(*pair.begin())) {
throw an(unexpected-information).link
(concepts::habit, habit,
information, *pair.begin(),
information-value, *second);
}
if (provided.count(*pair.begin())) { throw "multiple instances same name not implemented here"; }
provided[*pair.begin()] = *second;
}
ref nextinf = infn;
while (nextinf.linked(next-information)) {
nextinf = nextinf.get(next-information);
ref inf = nextinf.get(information);
if (!provided.count(inf)) {
if (nextinf.get(assume)) {
ctx.link(inf, nextinf.get(assume));
} else {
throw a(information-needed).link
(concepts::habit, habit,
information, inf);
}
} else {
ctx.link(inf, provided[inf]);
}
}
habit.fun<ref>()(ctx);
nextinf = infn;
while (nextinf.linked(next-information)) {
nextinf = nextinf.get(next-information);
ref inf = nextinf.get(information);
if (provided.count(inf)) {
ctx.unlink(inf, provided[inf]);
} else {
ctx.unlink(inf, nextinf.get(assume));
}
}
//for (auto pair : pairs) {
// auto second = pair.begin(); ++ second;
// ctx.unlink(pair.begin(), second);
//}
if (ctx.linked(result)) {
ref ret = ctx.get(result);
ctx.unlink(result, ret);
return ret;
}
return nothing;
}
}
}
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