1 --[[--

2 return_value = -- return value of executed chunk

3 execute.chunk{

4 file_path = file_path, -- path to a lua source or byte-code file

5 app = app, -- app name to use or the current will be used

6 module = module, -- module where chunk is located

7 chunk = chunk -- name of chunk (filename without .lua extension)

8 id = id, -- id to be returned by param.get_id(...) during execution

9 params = params -- parameters to be returned by param.get(...) during execution

10 }

11

12 This function loads and executes a lua file specified by a given path or constructs

13 a path to load from the module and chunk name. A chunk name should always begin with an underscore. All return values of the loaded and executed chunk are returned by this function as well.

14

15 --]]--

16

17 function execute.chunk(args)

18 local file_path = args.file_path

19 local app = args.app

20 local module = args.module

21 local chunk = args.chunk

22 local id = args.id

23 local params = args.params

24

25 app = app or request.get_app_name()

26

27 file_path = file_path or encode.file_path(

28 request.get_app_basepath(),

29 'app', app, module, chunk .. '.lua'

30 )

31

32 local func, load_errmsg = loadfile(file_path)

33 if not func then

34 error('Could not load file "' .. file_path .. '": ' .. load_errmsg)

35 end

36

37 if id or params then

38 param.exchange(id, params)

39 end

40

41 local result = {func()}

42

43 if id or params then

44 param.restore()

45 end

46

47 return unpack(result)

48 end