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#include <iostream>
#include "list/generator/make_list.h"
#include "runtime/list/for_each.h"
#include "src/machine.h"
using BLANK = machine::tape::BLANK;
// (define mirror (list (list 1 1 0 2 'R') [...]))
using mirror = tav::List<
// [state] [read] [write] [next state] [head movement]
tav::List<tav::Size<1>, tav::Int<1>, tav::Int<0>, tav::Size<2>, tav::Char<'R'>>,
tav::List<tav::Size<1>, tav::Int<0>, tav::Int<0>, void, tav::Char<'N'> >,
tav::List<tav::Size<2>, tav::Int<1>, tav::Int<1>, tav::Size<2>, tav::Char<'R'>>,
tav::List<tav::Size<2>, tav::Int<0>, tav::Int<0>, tav::Size<3>, tav::Char<'R'>>,
tav::List<tav::Size<3>, tav::Int<1>, tav::Int<1>, tav::Size<3>, tav::Char<'R'>>,
tav::List<tav::Size<3>, tav::Int<0>, tav::Int<1>, tav::Size<4>, tav::Char<'L'> >,
tav::List<tav::Size<4>, tav::Int<1>, tav::Int<1>, tav::Size<4>, tav::Char<'L'> >,
tav::List<tav::Size<4>, tav::Int<0>, tav::Int<0>, tav::Size<5>, tav::Char<'L'> >,
tav::List<tav::Size<5>, tav::Int<1>, tav::Int<1>, tav::Size<5>, tav::Char<'L'> >,
tav::List<tav::Size<5>, tav::Int<0>, tav::Int<1>, tav::Size<1>, tav::Char<'R'>>
>;
// (define busy_beaver (list (list 'A' 0 1 'B' 'R') [...]))
using busy_beaver = tav::List<
// [state] [read] [write] [next state] [head movement]
tav::List<tav::Char<'A'>, tav::Int<0>, tav::Int<1>, tav::Char<'B'>, tav::Char<'R'>>,
tav::List<tav::Char<'A'>, tav::Int<1>, tav::Int<1>, tav::Char<'C'>, tav::Char<'L'> >,
tav::List<tav::Char<'B'>, tav::Int<0>, tav::Int<1>, tav::Char<'A'>, tav::Char<'L'> >,
tav::List<tav::Char<'B'>, tav::Int<1>, tav::Int<1>, tav::Char<'B'>, tav::Char<'R'>>,
tav::List<tav::Char<'C'>, tav::Int<0>, tav::Int<1>, tav::Char<'B'>, tav::Char<'L'> >,
tav::List<tav::Char<'C'>, tav::Int<1>, tav::Int<1>, void, tav::Char<'N'> >
>;
// (define binary_increment (list (list 0 '() '() 1 'L') [...]))
using binary_increment = tav::List<
// [state] [read] [write] [next state] [head movement]
tav::List<tav::Size<0>, BLANK, BLANK, tav::Size<1>, tav::Char<'L'>>,
tav::List<tav::Size<0>, tav::Boolean<false>, tav::Boolean<false>, tav::Size<0>, tav::Char<'R'>>,
tav::List<tav::Size<0>, tav::Boolean<true>, tav::Boolean<true>, tav::Size<0>, tav::Char<'R'>>,
tav::List<tav::Size<1>, BLANK, tav::Boolean<true>, tav::Size<2>, tav::Char<'R'>>,
tav::List<tav::Size<1>, tav::Boolean<false>, tav::Boolean<true>, tav::Size<2>, tav::Char<'L'>>,
tav::List<tav::Size<1>, tav::Boolean<true>, tav::Boolean<false>, tav::Size<1>, tav::Char<'L'>>,
tav::List<tav::Size<2>, BLANK, BLANK, void, tav::Char<'L'>>,
tav::List<tav::Size<2>, tav::Boolean<false>, tav::Boolean<false>, tav::Size<2>, tav::Char<'R'>>,
tav::List<tav::Size<2>, tav::Boolean<true>, tav::Boolean<true>, tav::Size<2>, tav::Char<'R'>>
>;
const auto printField = [](const auto x) {
std::cout << x;
};
template <typename States>
void printStates() {
using position = tav::Car<tav::Head<States>>;
using tape = tav::Cdr<tav::Head<States>>;
using prefix = tav::MakeList<tav::Size<3>, tav::Char<' '>>;
tav::runtime::for_each<tav::Concatenate<prefix, tape>>(printField);
std::cout << std::endl;
tav::runtime::for_each<tav::Concatenate<
prefix,
tav::MakeList<position, tav::Char<' '>>,
tav::List<tav::Char<'^'>>
>>(printField);
std::cout << std::endl;
printStates<tav::Tail<States>>();
}
template <>
void printStates<void>() { }
int main(int, char **) {
// (define mirror_tape (list 1 1 1 0 0 0 0))
using mirror_tape = tav::ListOfType<int, 1, 1, 1, 0, 0, 0, 0>;
std::cout << "1. Mirror"
<< std::endl;
printStates<
machine::run<
mirror,
tav::Size<1>,
mirror_tape,
tav::Size<0>
>
>();
// (define busy_beaver_tape (make-list 13 0))
using busy_beaver_tape = tav::MakeList<tav::Size<13>, tav::Int<0>>;
std::cout << "2. Busy Beaver"
<< std::endl;
printStates<
machine::run<
busy_beaver,
tav::Char<'A'>,
busy_beaver_tape,
tav::Size<6>
>
>();
// (define binary_increment_tape (list #t #f #t #f #t #f))
using binary_increment_tape = tav::ListOfType<bool, 1, 0, 1, 0, 1, 0>;
std::cout << "3. Binary Increment"
<< std::endl;
printStates<
machine::run<
binary_increment,
tav::Size<0>,
binary_increment_tape,
tav::Size<0>
>
>();
}
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