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/*=============================================================================
Copyright (c) 2001-2007 Joel de Guzman
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
==============================================================================*/
#include <iostream>
#include <string>
#include <cmath>
#include <boost/detail/lightweight_test.hpp>
#include <boost/phoenix/core.hpp>
#include <boost/phoenix/operator.hpp>
#include <boost/phoenix/scope/dynamic.hpp>
struct my_dynamic : ::boost::phoenix::dynamic<int, std::string, double>
{
my_dynamic() : num(init<0>(this)), message(init<1>(this)), real(init<2>(this)) {}
member1 num;
member2 message;
member3 real;
};
// You may also use the macro below to achieve the same as above:
//
//BOOST_PHOENIX_DYNAMIC(
// my_dynamic,
// (int, num)
// (std::string, message)
// (double, real)
//);
int
main()
{
using namespace boost::phoenix;
using namespace boost::phoenix::arg_names;
my_dynamic clos;
{ // First stack frame
dynamic_frame<my_dynamic::self_type> frame(clos);
(clos.num = 123)();
(clos.num += 456)();
(clos.real = clos.num / 56.5)();
(clos.message = "Hello " + std::string("World "))();
{ // Second stack frame
dynamic_frame<my_dynamic::self_type> frame(clos);
(clos.num = 987)();
(clos.message = std::string("Abracadabra "))();
(clos.real = clos.num * 1e30)();
{ // Third stack frame
boost::phoenix::vector3<int, std::string, double> init = {-1, "Direct Init ", 3.14};
dynamic_frame<my_dynamic::self_type> frame(clos, init);
(std::cout << clos.message << clos.num << ", " << clos.real << '\n')();
BOOST_TEST(clos.num() == -1);
BOOST_TEST(clos.message() == "Direct Init ");
}
(std::cout << clos.message << clos.num << ", " << clos.real << '\n')();
BOOST_TEST(clos.num() == 987);
BOOST_TEST(clos.message() == "Abracadabra ");
}
(std::cout << clos.message << clos.num << ", " << clos.real << '\n')();
BOOST_TEST(clos.num() == 123+456);
BOOST_TEST(clos.message() == "Hello " + std::string("World "));
}
return boost::report_errors();
}
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