luabind/detail/stack_utils.hpp

   1 // Copyright (c) 2003 Daniel Wallin and Arvid Norberg
   2
   3 // Permission is hereby granted, free of charge, to any person obtaining a
   4 // copy of this software and associated documentation files (the "Software"),
   5 // to deal in the Software without restriction, including without limitation
   6 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
   7 // and/or sell copies of the Software, and to permit persons to whom the
   8 // Software is furnished to do so, subject to the following conditions:
   9
  10 // The above copyright notice and this permission notice shall be included
  11 // in all copies or substantial portions of the Software.
  12
  13 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF
  14 // ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
  15 // TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
  16 // PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
  17 // SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
  18 // ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  19 // ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  20 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
  21 // OR OTHER DEALINGS IN THE SOFTWARE.
  22
  23 #ifndef LUABIND_STACK_UTILS_HPP_INCLUDED
  24 #define LUABIND_STACK_UTILS_HPP_INCLUDED
  25
  26 #include <cassert>
  27
  28 namespace luabind { namespace detail
  29 {
  30
  31         struct stack_pop
  32         {
  33                 stack_pop(lua_State* L, int n)
  34                         : m_state(L)
  35                         , m_n(n)
  36                         {
  37                         }
  38
  39                 ~stack_pop()
  40                 {
  41                         lua_pop(m_state, m_n);
  42                 }
  43
  44         private:
  45
  46                 lua_State* m_state;
  47                 int m_n;
  48         };
  49 }}
  50
  51 #endif // LUABIND_STACK_UTILS_HPP_INCLUDED
  52