src/luabind/stack_content_by_name.cpp

   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 #include <luabind/lua_include.hpp>
  24
  25 #include <luabind/luabind.hpp>
  26
  27 using namespace luabind::detail;
  28
  29 std::string luabind::detail::stack_content_by_name(lua_State* L, int start_index)
  30 {
  31         std::string ret;
  32         int top = lua_gettop(L);
  33         for (int i = start_index; i <= top; ++i)
  34         {
  35                 object_rep* obj = is_class_object(L, i);
  36                 class_rep* crep = is_class_rep(L, i)?(class_rep*)lua_touserdata(L, i):0;
  37                 if (obj == 0 && crep == 0)
  38                 {
  39                         int type = lua_type(L, i);
  40                         ret += lua_typename(L, type);
  41                 }
  42                 else if (obj)
  43                 {
  44                         if (obj->flags() & object_rep::constant) ret += "const ";
  45                         ret += obj->crep()->name();
  46                 }
  47                 else if (crep)
  48                 {
  49                         ret += "<";
  50                         ret += crep->name();
  51                         ret += ">";
  52                 }
  53                 if (i < top) ret += ", ";
  54         }
  55         return ret;
  56 }
  57