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#include <iostream>
#include <SWI-Prolog.h>
#include <SWI-cpp.h>
#include "uscxml/config.h"

using namespace std;

int main(void) {
	const char* swibin = getenv("SWI_BINARY");
	if (swibin == NULL)
		swibin = SWI_BINARY;

	static char * av[] = {
		(char*)swibin,
//    "--quiet",
//    "-s",
//    "/Users/sradomski/Documents/TK/Code/pl-devel/demo/likes.pl",
		NULL
	};
	if( ! PL_initialise(1,av)) {
		cout<<"error initializing"<<endl;
		PL_halt(1);
	} else {
		cout<<"success initializing!"<<endl;
	}

//  unsigned long fid = PL_open_foreign_frame();

	int rval;
	PlFrame frame;
	rval = PlCall("user", "load_files", PlTermv("/Users/sradomski/Documents/TK/Code/pl-devel/demo/likes.pl"));

//  PlCompound compound("likes(sam, X)");
	PlCompound compound("listing");
	PlTermv termv(compound.arity());
//  termv[0] = PlTerm();
	for (int i = 0; i < compound.arity(); i++) {
		termv[i] = compound[i + 1];
	}

	PlQuery q(compound.name(), termv);
	bool solutionExists = false;
	while( q.next_solution() ) {
		solutionExists = true;
		for (int i = 0; i < compound.arity(); i++) {
			switch (compound[i + 1].type()) {
			case PL_VARIABLE:
				std::cout << (char *)termv[i] << ", ";
				break;
			case PL_FLOAT:
				std::cout << (double)termv[i] << ", ";
				break;
			case PL_ATOM:
				std::cout << (PlAtom)termv[i] << ", ";
				break;
			case PL_STRING:
				std::cout << (char *)termv[i] << ", ";
				break;
			case PL_TERM:
				std::cout << (char *)termv[i] << ", ";
				break;
			default:
				;
			}
		}
		std::cout << std::endl;
	}


//  PlQuery query2(compound.name(), PlTermv(compound));
//  if (query2.next_solution() > 0) {
//    std::cout << "Yes!" << std::endl;
//  } else {
//    std::cout << "No!" << std::endl;
//  }

//  std::cout << compound.name() << std::endl;
//  PlTermv filename("/Users/sradomski/Documents/TK/Code/pl-devel/demo/likes.pl");
//  PlQuery loadFiles("system", "load_files", filename);

//  predicate_t loadFiles = PL_predicate("load_files",1,"system");
//  term_t h0 = PL_new_term_refs(1);

//  int rval;
//  const char * expression = "/Users/sradomski/Documents/TK/Code/pl-devel/demo/likes.pl";
//  PL_put_atom_chars(h0,expression);
//  rval = PL_call_predicate(NULL, PL_Q_NORMAL, loadFiles, h0);

//  PL_halt( rval ? 0 : 1 );

//  PL_close_foreign_frame(fid);
	return 0;
}