utils.cpp

#include "utils.h"

THClState* getCltorchState(lua_State* L)
{
    lua_getglobal(L, "cltorch");
    lua_getfield(L, -1, "getState");
    lua_call(L, 0, 1);
    THClState *state = (THClState*) lua_touserdata(L, -1);
    lua_pop(L, 2);
    return state;
}

#if LUA_VERSION_NUM == 501
/*
** Adapted from Lua 5.2.0
*/
void luaL_setfuncs (lua_State *L, const luaL_Reg *l, int nup) {
  luaL_checkstack(L, nup+1, "too many upvalues");
  for (; l->name != NULL; l++) {  /* fill the table with given functions */
    int i;
    lua_pushstring(L, l->name);
    for (i = 0; i < nup; i++)  /* copy upvalues to the top */
      lua_pushvalue(L, -(nup+1));
    lua_pushcclosure(L, l->func, nup);  /* closure with those upvalues */
    lua_settable(L, -(nup + 3));
  }
  lua_pop(L, nup);  /* remove upvalues */
}
#endif