annotate framework/env/execute/chunk.lua @ 200:035b58aa430a
Improve performance of pairs and ipairs in JSON library
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jbe |
| date |
Thu Aug 14 01:11:24 2014 +0200 (2014-08-14) |
| parents |
3d43a5cf17c1 |
| children |
48ee8826efbe |
| rev |
line source |
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poelzi@31
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1 --[[--
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2 return_value = -- return value of executed chunk
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3 execute.chunk{
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4 file_path = file_path, -- path to a lua source or byte-code file
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5 app = app, -- app name to use or the current will be used
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6 module = module, -- module where chunk is located
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7 chunk = chunk -- name of chunk (filename without .lua extension)
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8 id = id, -- id to be returned by param.get_id(...) during execution
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9 params = params -- parameters to be returned by param.get(...) during execution
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10 }
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11
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12 This function loads and executes a lua file specified by a given path or constructs
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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.
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14
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15 --]]--
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16
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17 function execute.chunk(args)
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18 local file_path = args.file_path
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19 local app = args.app
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20 local module = args.module
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21 local chunk = args.chunk
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22 local id = args.id
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23 local params = args.params
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24
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25 app = app or request.get_app_name()
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26
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27 file_path = file_path or encode.file_path(
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28 request.get_app_basepath(),
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29 'app', app, module, chunk .. '.lua'
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30 )
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31
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32 local func, load_errmsg = loadfile(file_path)
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33 if not func then
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34 error('Could not load file "' .. file_path .. '": ' .. load_errmsg)
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35 end
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36
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37 if id or params then
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38 param.exchange(id, params)
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39 end
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40
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41 local result = {func()}
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42
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43 if id or params then
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44 param.restore()
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45 end
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46
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47 return table.unpack(result)
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48 end
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