bool add_enum_to_lua(lua_State* L, const char* tname, ...)
{
    // NOTE: Here's the Lua code we're building and executing to define the
    //       enum.
    //
    // <tname> = setmetatable( {}, { 
    //      __index = { 
    //          <name1> = <value1>, 
    //          }, 
    //          ... 
    //      },
    //      __newindex = function(table, key, value)
    //          error(\"Attempt to modify read-only table\")
    //      end,
    //      __metatable = false
    // });

    va_list args;
    string code;
    char* ename;
    int evalue;
    
    code = tname;
	 code += " = setmetatable({}, {"
        "__index = {";

    // Iterate over the variadic arguments adding the enum values.
    va_start(args, tname);
    while((ename = va_arg(args, char*)) != 0)
    {
        evalue = va_arg(args, int);
        code += string(ename) + "=" + itos(evalue) + ",";
    } 
    va_end(args);

    code += "},"
        "__newindex = function(table, key, value) error(\"Attempt to modify read-only table\") end,"
        "__metatable = false} )";

    // Execute lua code
    if ( luaL_loadbuffer(L, code.c_str(), code.length(), 0) || lua_pcall(L, 0, 0, 0) )
    {
        fprintf(stderr, "%s\n\n%s\n", code.c_str(),lua_tostring(L, -1));
        lua_pop(L, 1);
        return false;
    }
    return true;
}