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util/envload.lua @ 12576:d1aacc6a81ac

util.envload: Remove Lua 5.1 method Part of #1600 Is this module even needed anymore?
author Kim Alvefur <zash@zash.se>
date Tue, 05 Jul 2022 14:18:32 +0200
parent 8416:bc9cb23b604a
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ef1eb65acbba util.envload: New module to abstract Lua 5.1's setfenv and Lua 5.2's load
Florian Zeitz <florob@babelmonkeys.de>
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1 -- Prosody IM
ef1eb65acbba util.envload: New module to abstract Lua 5.1's setfenv and Lua 5.2's load
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2 -- Copyright (C) 2008-2011 Florian Zeitz
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3 --
ef1eb65acbba util.envload: New module to abstract Lua 5.1's setfenv and Lua 5.2's load
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4 -- This project is MIT/X11 licensed. Please see the
ef1eb65acbba util.envload: New module to abstract Lua 5.1's setfenv and Lua 5.2's load
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5 -- COPYING file in the source package for more information.
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6 --
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bc9cb23b604a util.envload: Ignore "undefined variable" warning for loadstring [luacheck with strict 5.2 or 5.3 checks]
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7 -- luacheck: ignore 113/setfenv 113/loadstring
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9 local load = load;
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10 local io_open = io.open;
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12 local function envload(code, source, env)
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13 return load(code, source, nil, env);
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14 end
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16 local function envloadfile(file, env)
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17 local fh, err, errno = io_open(file);
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18 if not fh then return fh, err, errno; end
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19 local f, err = load(fh:lines(2048), "@" .. file, nil, env);
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20 fh:close();
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21 return f, err;
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22 end
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24 return { envload = envload, envloadfile = envloadfile };