Annotate

util/envload.lua @ 6367:769a3577dd85

Merge 0.9->0.10
author Matthew Wild <mwild1@gmail.com>
date Thu, 28 Aug 2014 09:23:24 +0100
parent 5020:ef1eb65acbba
child 7728:da54ad64f6da
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ef1eb65acbba util.envload: New module to abstract Lua 5.1's setfenv and Lua 5.2's load
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1 -- Prosody IM
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2 -- Copyright (C) 2008-2011 Florian Zeitz
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3 --
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4 -- This project is MIT/X11 licensed. Please see the
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5 -- COPYING file in the source package for more information.
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6 --
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7
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8 local load, loadstring, loadfile, setfenv = load, loadstring, loadfile, setfenv;
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9 local envload;
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10 local envloadfile;
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11
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12 if setfenv then
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13 function envload(code, source, env)
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14 local f, err = loadstring(code, source);
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15 if f and env then setfenv(f, env); end
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16 return f, err;
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17 end
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18
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19 function envloadfile(file, env)
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20 local f, err = loadfile(file);
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21 if f and env then setfenv(f, env); end
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22 return f, err;
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23 end
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24 else
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25 function envload(code, source, env)
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26 return load(code, source, nil, env);
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27 end
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28
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29 function envloadfile(file, env)
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30 return loadfile(file, nil, env);
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31 end
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32 end
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33
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34 return { envload = envload, envloadfile = envloadfile };