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// Copyright Daniel Wallin 2009. Use, modification and distribution is
// subject to 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 "test.hpp"
#include <luabind/luabind.hpp>
namespace {
struct X
{
X(lua_Integer x_, lua_Integer y_)
: x(x_)
, y(y_)
{}
lua_Integer x;
lua_Integer y;
};
lua_Integer take(X x)
{
return x.x + x.y;
}
} // namespace unnamed
namespace luabind {
static int combine_score(int s1, int s2)
{
if (s1 < 0 || s2 < 0) return -1;
return s1 + s2;
}
template <>
struct default_converter<X>
: native_converter_base<X>
{
int consumed_args() const
{
return 2;
}
int compute_score(lua_State* L, int index)
{
return combine_score(
c1.compute_score(L, index), c2.compute_score(L, index + 1));
}
X from(lua_State* L, int index)
{
return X(lua_tointeger(L, index), lua_tointeger(L, index + 1));
}
default_converter<lua_Integer> c1;
default_converter<lua_Integer> c2;
};
} // namespace luabind
void test_main(lua_State* L)
{
using namespace luabind;
module(L) [
def("take", &take)
];
DOSTRING(L,
"assert(take(1,1) == 2)\n"
"assert(take(2,3) == 5)\n"
);
}
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