示例#1
0
double simpsons_approx(int fun,double lo,double hi){//do a simpson's approximation on the appropriate function over the specified interval
	double p1=(hi-lo)/6.0;
	double pLo=call_function(fun,lo);
	double pAv=4.0 * call_function(fun,(lo+hi)/2 );
	double pHi=call_function(fun,hi);
	return p1*( pLo+pAv+pHi );
}
示例#2
0
void 
create_object(struct object *ob)
{
    int i;

    if (!(ob->flags & O_CREATED))
    {
	ob->flags |= O_CREATED;
	ob->created = current_time;
	for (i = 0; i < (int)ob->prog->num_inherited; i++)
	    if (!(ob->prog->inherit[i].type & TYPE_MOD_SECOND))
	    {
		if (ob->prog->inherit[i].prog->ctor_index !=
		    (unsigned short) -1)
		{
		    call_function(ob, i,
				  (unsigned int)ob->prog->inherit[i].prog->ctor_index, 0);
		    pop_stack();
		}
	    }
	if (search_for_function("create", ob->prog))
	{
	    call_function(ob, function_inherit_found,
			  (unsigned int)function_index_found, 0);
	    pop_stack();
	}
    }
}
示例#3
0
文件: vm.cpp 项目: evilncrazy/spooner
const SpObject *SpVM::eval(const SpExpr *expr, SpEnv *env) {
   // check whether this expression is an atom or a function call
   if (expr->head()->type() == TOKEN_FUNCTION_CALL) {
      // this is a function call expression
      std::string func_name(expr->head()->value());

      // we find the function associated with this name in the given environment
      const SpObject *obj = resolve(func_name, env);
      if (obj == NULL || obj->type() != T_FUNCTION) RUNTIME_ERROR_F("'%s' is not a function", func_name.c_str());

      // now call the function
      return call_function(func_name, 
         static_cast<const SpFunction *>(obj->self()), expr, env);
   } else {
      // evaluate this atom
      std::string val = expr->head()->value();
      switch (expr->head()->type()) {
         case TOKEN_NAME: {
            const SpObject *obj = resolve(val, env); 
            if (obj == NULL)
               RUNTIME_ERROR_F("Undeclared variable '%s'", val.c_str());
            return obj->shallow_copy();
         }
         case TOKEN_NUMERIC:
            return new SpIntValue(atoi(val.c_str()));
         case TOKEN_CLOSURE:
            // the closure expression is stored in the first argument of the
            // object expression
            return new SpRefObject(new SpClosure(ArgList(), NULL, *expr->cbegin()));
         default:
            RUNTIME_ERROR("Unsupported operation");
      }
   }
}
示例#4
0
int	get_type(char *format, va_list args)
{
  int	id;
  int	count[1];

  count[0] = 0;
  count[1] = 0;
  while (format[count[1]] != '\0')
    {
      id = -1;
      if (format[count[1]] == '%')
	{
	  id = get_id(count[1], format, "csdioxXbpSuf");
	  if (id >= 0)
	    {
	      count[0] += call_function(id, args);
	      count[1]++;
	    }
	  count[1]++;
	}
      else
	get_type_next(format, count);
    }
  return (count[0]);
}
示例#5
0
/**
* \brief Calls the on_closed() method of the object on top of the stack.
*/
void LuaContext::on_closed() 
{
  if (find_method("on_closed")) 
  {
    call_function(1, 0, "on_closed");
  }
}
示例#6
0
int32 interpreter::get_function_value(int32 f, uint32 param_count) {
	int32 result;
	if(!f) {
		params.clear();
		return 0;
	}
	no_action++;
	call_depth++;
	if (call_function(f, param_count, 1)) {
		if (lua_isboolean(current_state, -1))
			result = lua_toboolean(current_state, -1);
		else
			result = lua_tointeger(current_state, -1);
		lua_pop(current_state, 1);
		no_action--;
		call_depth--;
		if(call_depth == 0) {
			pduel->release_script_group();
			pduel->restore_assumes();
		}
		return result;
	}
	no_action--;
	call_depth--;
	if(call_depth == 0) {
		pduel->release_script_group();
		pduel->restore_assumes();
	}
	return OPERATION_FAIL;
}
示例#7
0
int32 interpreter::check_condition(int32 f, uint32 param_count) {
	int32 result;
	if(!f) {
		params.clear();
		return TRUE;
	}
	no_action++;
	call_depth++;
	if (call_function(f, param_count, 1)) {
		result = lua_toboolean(current_state, -1);
		lua_pop(current_state, 1);
		no_action--;
		call_depth--;
		if(call_depth == 0) {
			pduel->release_script_group();
			pduel->restore_assumes();
		}
		return result;
	}
	no_action--;
	call_depth--;
	if(call_depth == 0) {
		pduel->release_script_group();
		pduel->restore_assumes();
	}
	return OPERATION_FAIL;
}
示例#8
0
bool evaluate_variable(const object& variable_name)
{
    object result;

//    std::cout << "GET VARIABLE" << std::endl;
    if(get_variable(variable_name.data.variable, &result) == OK)
    {
//        std::cout << "GET VARIABLE" << std::endl;

        // Auto call zero argument functions when they are found.
        if(result.type == FUNCTION)
        {
            if(result.data.function->arguments.size() == 1)
            {
                object arguments; // empty, won't be used by call_function so no need to initialize
                call_function(result, result, arguments);
            }
        }

        optic_stack.push_back(result); // result is already a copy, no need to copy again
        return true;
    }

    else
    {
        out() << "Variable " << reverse_variable_name_lookup[variable_name.data.variable] << " not found." << std::endl;
        clear_stack();
        return false;
    }
}
示例#9
0
/**
 * \brief Executes the callback of a timer.
 *
 * Then, if the callback returns \c true, the timer is rescheduled,
 * otherwise it is discarded.
 *
 * Does nothing if the timer is already finished.
 *
 * \param timer The timer to execute.
 */
void LuaContext::do_timer_callback(Timer& timer) {

  Debug::check_assertion(timer.is_finished(), "This timer is still running");

  const std::map<Timer*, LuaTimerData>::iterator it = timers.find(&timer);
  if (it != timers.end() && it->second.callback_ref != LUA_REFNIL) {
    const int callback_ref = it->second.callback_ref;
    push_callback(callback_ref);
    const bool success = call_function(0, 1, "timer callback");

    bool repeat = false;
    if (success) {
      repeat = lua_isboolean(l, -1) && lua_toboolean(l, -1);
      lua_pop(l, 1);
    }

    if (repeat) {
      // The callback returned true: reschedule the timer.
      timer.set_expiration_date(timer.get_expiration_date() + timer.get_initial_duration());
      if (timer.is_finished()) {
        // Already finished: this is possible if the duration is smaller than
        // the main loop stepsize.
        do_timer_callback(timer);
      }
    }
    else {
      cancel_callback(callback_ref);
      it->second.callback_ref = LUA_REFNIL;
      timers_to_remove.push_back(&timer);
    }
  }
}
示例#10
0
int
main() {
	lua_State *L = luaL_newstate();
	call_function(L);
	lua_close(L);
	return 0;
}
示例#11
0
文件: function.c 项目: 340211173/wine
static HRESULT Function_call(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
        jsval_t *r)
{
    FunctionInstance *function;
    IDispatch *this_obj = NULL;
    unsigned cnt = 0;
    HRESULT hres;

    TRACE("\n");

    if(!(function = function_this(jsthis)))
        return throw_type_error(ctx, JS_E_FUNCTION_EXPECTED, NULL);

    if(argc) {
        if(!is_undefined(argv[0]) && !is_null(argv[0])) {
            hres = to_object(ctx, argv[0], &this_obj);
            if(FAILED(hres))
                return hres;
        }

        cnt = argc-1;
    }

    hres = call_function(ctx, function, this_obj, cnt, argv+1, r);

    if(this_obj)
        IDispatch_Release(this_obj);
    return hres;
}
示例#12
0
/**
 * \brief Executes the callback of a timer.
 *
 * Then, if the callback returns \c true, the timer is rescheduled,
 * otherwise it is discarded.
 *
 * Does nothing if the timer is already finished.
 *
 * \param timer The timer to execute.
 */
void LuaContext::do_timer_callback(const TimerPtr& timer) {

  Debug::check_assertion(timer->is_finished(), "This timer is still running");

  auto it = timers.find(timer);
  if (it != timers.end() &&
      !it->second.callback_ref.is_empty()) {
    ScopedLuaRef& callback_ref = it->second.callback_ref;
    push_ref(l, callback_ref);
    const bool success = call_function(0, 1, "timer callback");

    bool repeat = false;
    if (success) {
      repeat = lua_isboolean(l, -1) && lua_toboolean(l, -1);
      lua_pop(l, 1);
    }

    if (repeat) {
      // The callback returned true: reschedule the timer.
      timer->set_expiration_date(timer->get_expiration_date() + timer->get_initial_duration());
      if (timer->is_finished()) {
        // Already finished: this is possible if the duration is smaller than
        // the main loop stepsize.
        do_timer_callback(timer);
      }
    }
    else {
      callback_ref.clear();
      timers_to_remove.push_back(timer);
    }
  }
}
示例#13
0
文件: ruby.c 项目: Cloudxtreme/epic5
static VALUE epic_call (VALUE module, VALUE string)
{
	char *funcval;
	RUBY_STARTUP

	funcval = call_function(my_string, "");
	return rb_str_new(funcval, strlen(funcval));
}
示例#14
0
static void do_test_run(struct code_chunks *chunk)
{
	/* type-1 function */
	char df1[] = {
		0x64, 0x00, 0x00, 0x00,   /* 100 */
		'x', 0x00, 0x00, 0x00,    /* 'x' */
		0xC8, 0x00, 0x00, 0x00,   /* 200 */
	};

	/* type-2 function */
	char *name = "mygirl";
	char df2[] = {
		0x00, 0x00, 0x00, 0x00,   /* name */
		0x04, 0x00, 0x00, 0x00    /* 4 */
	};

	/* type-3 function */
	int fibo;
	char df3[] = {
		0x0f, 0x00, 0x00, 0x00,   /* 15 */
		0x00, 0x00, 0x00, 0x00    /* fibo */
	};

	char number[15];
	char df4[] = {
		0xde, 0xad, 0xbe, 0xef,
		0x00, 0x00, 0x00, 0x00   /* number */
	};

	char df5[] = { };

	ptr2char(df2, name);
	ptr2char((char *)df3 + 4, &fibo);
	ptr2char((char *)df4 + 4, number);

	call_function(chunk, FUNC_TYPE1, df1);
	call_function(chunk, FUNC_TYPE2, df2);

	call_function(chunk, FUNC_TYPE3, df3);
	printf("%s: fibo value returned: %d\n", __func__, fibo);

	call_function(chunk, FUNC_TYPE5, df5);

	call_function(chunk, FUNC_TYPE4, df4);
	printf("%s: original: %d, reversed: %s\n", __func__, *(int *)df4, number);
}
 uint64_t query(factor Factor) const
 {
     const auto Diff = call_function(QueryPerformanceCounter) - m_StartTime;
     const auto Frequency = get_frequency();
     const auto Whole = Diff / Frequency;
     const auto Fraction = Diff % Frequency;
     return Whole * Factor + (Fraction * Factor) / Frequency;
 }
示例#16
0
文件: interp.c 项目: xupingmao/minipy
/**
 * @since 2016-11-20
 */
Object tm_load_module(Object file, Object code, Object name) {
    Object mod = module_new(file, name, code);
    Object fnc = func_new(mod, NONE_OBJECT, NULL);
    GET_FUNCTION(fnc)->code = (unsigned char*) GET_STR(code);
    GET_FUNCTION(fnc)->name = string_new("#main");
    call_function(fnc);
    return GET_MODULE(mod)->globals;
}
示例#17
0
/**
* @brief Calls the on_draw() method of the object on top of the stack.
* @param dst_surface The destination surface.
*/
void LuaContext::on_draw(Surface& dst_surface) 
{
  if (find_method("on_draw")) 
  {
    push_surface(l, dst_surface);
    call_function(2, 0, "on_draw");
  }
}
示例#18
0
bool LuaContext::do_file_if_exists(lua_State* l, const std::string& script_name)
{
	if(load_file_if_exists(l, script_name))
	{
		call_function(l, 0, 0, script_name);
		return true;
	}
	return false;
}
示例#19
0
/**
* @brief Calls a function stored in the registry with a reference and
* releases this reference.
* @param callback_ref Reference of the function to call (if LUA_REFNIL,
* nothing is done).
*/
void LuaContext::do_callback(int callback_ref) 
{
  if (callback_ref != LUA_REFNIL) 
  {
    push_callback(callback_ref);
    call_function(0, 0, "callback");
    destroy_ref(callback_ref);
  }
}
示例#20
0
static HRESULT Function_apply(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
        VARIANT *retv, jsexcept_t *ei, IServiceProvider *caller)
{
    FunctionInstance *function;
    DISPPARAMS args = {NULL,NULL,0,0};
    DWORD argc, i;
    IDispatch *this_obj = NULL;
    HRESULT hres = S_OK;

    TRACE("\n");

    if(!(function = function_this(jsthis)))
        return throw_type_error(ctx, ei, JS_E_FUNCTION_EXPECTED, NULL);

    argc = arg_cnt(dp);
    if(argc) {
        VARIANT *v = get_arg(dp,0);

        if(V_VT(v) != VT_EMPTY && V_VT(v) != VT_NULL) {
            hres = to_object(ctx, v, &this_obj);
            if(FAILED(hres))
                return hres;
        }
    }

    if(argc >= 2) {
        jsdisp_t *arg_array = NULL;

        if(V_VT(get_arg(dp,1)) == VT_DISPATCH) {
            arg_array = iface_to_jsdisp((IUnknown*)V_DISPATCH(get_arg(dp,1)));
            if(arg_array &&
               (!is_class(arg_array, JSCLASS_ARRAY) && !is_class(arg_array, JSCLASS_ARGUMENTS) )) {
                jsdisp_release(arg_array);
                arg_array = NULL;
            }
        }

        if(arg_array) {
            hres = array_to_args(ctx, arg_array, ei, caller, &args);
            jsdisp_release(arg_array);
        }else {
            FIXME("throw TypeError\n");
            hres = E_FAIL;
        }
    }

    if(SUCCEEDED(hres))
       hres = call_function(ctx, function, this_obj, &args, retv, ei, caller);

    if(this_obj)
        IDispatch_Release(this_obj);
    for(i=0; i<args.cArgs; i++)
        VariantClear(args.rgvarg+i);
    heap_free(args.rgvarg);
    return hres;
}
void ApplicationWindow::onCheckForNewVersionResult(VersionInfo::VersionInfo _versioninfo)
{        
    if (_versioninfo.appVersionBuild == 0)
    {
        // no connect to update server...
        std::unique_lock<std::mutex> lock(lockGuiUpdate);
        call_function("Application.newVersionCheckFailed");
    }
    else if (_versioninfo.appVersionBuild > versionInfoApp.appVersionBuild)
    {        
        // new version is ready for download
        std::unique_lock<std::mutex> lock(lockGuiUpdate);
        call_function("Application.newVersionAvailable", sciter::value(currentVersionBinarySource), sciter::value(_versioninfo.appVersion), sciter::value(std::to_string(_versioninfo.appVersionBuild)));
    }
    else
    {
        call_function("Application.versionIsUpToDate", sciter::value(_versioninfo.appVersion), sciter::value(std::to_string(_versioninfo.appVersionBuild)));
    }
}
示例#22
0
/**
 * 検索して見つかった場合/見つからなかった場合は
 * 1.true/falseを返す
 * 2.index/nullを返す
 */
int map_index_of(Value *vret, Value *v, RefNode *node)
{
    RefMap *rm = Value_vp(*v);
    int ret_index = FUNC_INT(node);
    Value v1 = v[1];
    RefNode *type = Value_type(v1);
    int i;

    RefNode *fn_eq = Hash_get_p(&type->u.c.h, fs->symbol_stock[T_EQ]);
    if (fn_eq == NULL) {
        throw_error_select(THROW_NO_MEMBER_EXISTS__NODE_REFSTR, type, fs->symbol_stock[T_EQ]);
        return FALSE;
    }

    rm->lock_count++;
    for (i = 0; i < rm->entry_num; i++) {
        HashValueEntry *ep = rm->entry[i];
        for (; ep != NULL; ep = ep->next) {
            Value va = ep->val;

            if (Value_type(va) == type) {
                if (type == fs->cls_str) {
                    if (refstr_eq(Value_vp(v1), Value_vp(va))) {
                        break;
                    }
                } else {
                    Value_push("vv", v1, va);
                    if (!call_function(fn_eq, 1)) {
                        goto ERROR_END;
                    }
                    fg->stk_top--;
                    if (Value_bool(*fg->stk_top)) {
                        unref(*fg->stk_top);
                        if (ret_index) {
                            *vret = Value_cp(ep->key);
                        } else {
                            *vret = VALUE_TRUE;
                        }
                        return TRUE;
                    }
                }
            }
        }
    }
    if (!ret_index) {
        *vret = VALUE_FALSE;
    }

    rm->lock_count--;
    return TRUE;
ERROR_END:
    rm->lock_count--;
    return FALSE;
}
示例#23
0
文件: syntax.c 项目: dzruyk/spam
static syn_node_t *
identifier()
{
	switch (current_tok) {
	case TOK_LBRACKET:
		return access_array();
	case TOK_LPAR:
		return call_function();
	default:
		return syn_node_id_new(lex_item_prev.item);
	}
}
示例#24
0
int main( int argc, char * argv[] )
{
    char * buffer;

    buffer = (char *)malloc( 64 );
    strcpy( buffer, "abc" );
    printf("%s\n", buffer );
    call_function();
    printf("returned from call_function & do_nothing.\n");
    free( buffer );
    return 0;
}
示例#25
0
文件: function.c 项目: 340211173/wine
static HRESULT Function_apply(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
{
    FunctionInstance *function;
    jsval_t *args = NULL;
    unsigned i, cnt = 0;
    IDispatch *this_obj = NULL;
    HRESULT hres = S_OK;

    TRACE("\n");

    if(!(function = function_this(jsthis)))
        return throw_type_error(ctx, JS_E_FUNCTION_EXPECTED, NULL);

    if(argc) {
        if(!is_undefined(argv[0]) && !is_null(argv[0])) {
            hres = to_object(ctx, argv[0], &this_obj);
            if(FAILED(hres))
                return hres;
        }
    }

    if(argc >= 2) {
        jsdisp_t *arg_array = NULL;

        if(is_object_instance(argv[1])) {
            arg_array = iface_to_jsdisp((IUnknown*)get_object(argv[1]));
            if(arg_array &&
               (!is_class(arg_array, JSCLASS_ARRAY) && !is_class(arg_array, JSCLASS_ARGUMENTS) )) {
                jsdisp_release(arg_array);
                arg_array = NULL;
            }
        }

        if(arg_array) {
            hres = array_to_args(ctx, arg_array, &cnt, &args);
            jsdisp_release(arg_array);
        }else {
            FIXME("throw TypeError\n");
            hres = E_FAIL;
        }
    }

    if(SUCCEEDED(hres))
        hres = call_function(ctx, function, this_obj, cnt, args, r);

    if(this_obj)
        IDispatch_Release(this_obj);
    for(i=0; i < cnt; i++)
        jsval_release(args[i]);
    heap_free(args);
    return hres;
}
void redirect_stdout(char *program, char* redirect_type, char *file_name) {
	int status;
	//exec command
	pid_t pID = fork();
   	if (pID == 0) {                // child
   		int out_file_fd;
		if (strcmp(redirect_type, ">") == 0) {
			out_file_fd = open(file_name, O_RDWR|O_CREAT|O_TRUNC, S_IRWXU|S_IRWXG|S_IRWXO);
	   
		} else if (strcmp(redirect_type, ">>") == 0) {
			out_file_fd = open(file_name, O_RDWR|O_CREAT|O_APPEND, S_IRWXU|S_IRWXG|S_IRWXO);
		}
		if (-1 == out_file_fd) { 
			printf("error opening file:%s\n", file_name); 
			exit(4);
		}
		//redirect stdout to file 
		if (dup2(out_file_fd, fileno(stdout)) == -1) { 
			printf("error redirectiong stdout to file\n");
			exit(5); 
		}
   		char * args[MAX_PARAM_NUMBER];
   		create_arguments(args, program);

   		if(is_builtin(program)==1)
   		{

			char * tem[MAX_PARAM_NUMBER];
			tem[0]=PARAMS[1];
   			call_function(PARAMS[0],tem,N_params-1);
   		}
   		else
    		if(execvp(args[0],args)==-1)
    			printf("%s\n","cannot extec");

    	fflush(stdout); 
		close(out_file_fd);
    	exit(0);
   	}
   	else if (pID < 0) {            // failed to fork
   	
        exit(1);
        // Throw exception
   	} else {                                  // parent
   	
     	// Code only executed by parent process
   		pID = wait(&status);
      	last_process_status_code = status;
   	}
	
}
示例#27
0
文件: perl.c 项目: NathanHowell/epic
static XS (XS_call) {
	int	foo = 0;
	char* retval=NULL;
	char* arg=NULL;
	dXSARGS;
	for (foo=0; foo<items; foo++) {
		arg = malloc_strdup((char*)SvPV_nolen(ST(foo)));
		retval = (char*)call_function(arg, "");
		XST_mPV(foo, retval);
		new_free(&arg);
		new_free(&retval);
	}
	XSRETURN(items);
}
示例#28
0
/**
* @brief Notifies the object on top of the stack
* that a keyboard key was just pressed
* (including if it is a directional key or a character).
* @param event The corresponding input event.
* @return \c true if the event was handled and should stop being propagated.
*/
bool LuaContext::on_key_pressed(InputEvent& event) 
{
  bool handled = false;
  if (find_method("on_key_pressed")) 
  {
    const std::string& key_name = InputEvent::get_keyboard_key_name(event.get_keyboard_key());
    if (!key_name.empty()) 
	{ 
	  // This key exists in the KQ API.
      push_string(l, key_name);
      lua_newtable(l);
	  /*
      if (event.is_with_shift()) 
	  {
        lua_pushboolean(l, 1);
        lua_setfield(l, -2, "shift");
      }

      if (event.is_with_control()) 
	  {
        lua_pushboolean(l, 1);
        lua_setfield(l, -2, "control");
      }

      if (event.is_with_alt()) 
	  {
        lua_pushboolean(l, 1);
        lua_setfield(l, -2, "alt");
      }
	  */
      bool success = call_function(3, 1, "on_key_pressed");
      if (!success) 
	  {
        // Something was wrong in the script: don't propagate the input to other objects.
        handled = true;
      }
      else 
	  {
        handled = lua_toboolean(l, -1);
        lua_pop(l, 1);
      }
    }
    else 
	{
      // The method exists but the key is unknown.
      lua_pop(l, 2); // Pop the object and the method.
    }
  }
  return handled;
}
示例#29
0
文件: ops.c 项目: xupingmao/minipy
Object obj_mod(Object a, Object b) {
    if (a.type == b.type && a.type == TYPE_NUM) {
        return tm_number((long) GET_NUM(a) % (long) GET_NUM(b));
    } else if (a.type == TYPE_STR) {
        Object *__mod__ = get_builtin("__mod__");
        if (__mod__ == NULL) {
            tm_raise("__mod__ is not defined");
        } else {
            arg_start();
            arg_push(a);
            arg_push(b);
            return call_function(*__mod__);
        }        
    }
    tm_raise("obj_mod: can not module %o and %o", a, b);
    return NONE_OBJECT;
}
示例#30
0
文件: lua-log.c 项目: 01org/murphy
static int log_msg(lua_State *L, int level)
{
    static int  loaded = FALSE;
    int         n      = lua_gettop(L);
    lua_Debug   caller;
    const char *file, *func;
    int         line;
    int         top;

    top = lua_gettop(L);

    if (!loaded) {
        luaopen_string(L);
        loaded = TRUE;
    }

    if (lua_isuserdata(L, 1)) {
        lua_remove(L, 1);                /* remove self if any */
        n--;
    }

    if (n > 1)
        if (call_function(L, "string", "format") != 0)
            goto out;

    lua_getstack(L, 1, &caller);
    if (lua_getinfo(L, "Snl", &caller)) {
        func = caller.name   ? caller.name   : "<lua-function>";
        file = caller.source ? caller.source : "<lua-source>";
        line = caller.currentline;
    }
    else {
        func = "<lua-function>";
        line = 0;
        file = "<lua-source>";
    }

    mrp_log_msg(level, file, line, func, "%s", lua_tostring(L, 1));

 out:
    lua_settop(L, top);

    return 0;
}