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util/envload.lua @ 12819:764a4bf2580a
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author | Kim Alvefur <zash@zash.se> |
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date | Wed, 28 Dec 2022 02:58:15 +0100 |
parent | 12576:d1aacc6a81ac |
rev | line source |
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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>
parents:
diff
changeset
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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
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff
changeset
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2 -- Copyright (C) 2008-2011 Florian Zeitz |
ef1eb65acbba
util.envload: New module to abstract Lua 5.1's setfenv and Lua 5.2's load
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff
changeset
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3 -- |
ef1eb65acbba
util.envload: New module to abstract Lua 5.1's setfenv and Lua 5.2's load
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff
changeset
|
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
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff
changeset
|
5 -- COPYING file in the source package for more information. |
ef1eb65acbba
util.envload: New module to abstract Lua 5.1's setfenv and Lua 5.2's load
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff
changeset
|
6 -- |
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util.envload: Ignore "undefined variable" warning for loadstring [luacheck with strict 5.2 or 5.3 checks]
Kim Alvefur <zash@zash.se>
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7 -- luacheck: ignore 113/setfenv 113/loadstring |
5020
ef1eb65acbba
util.envload: New module to abstract Lua 5.1's setfenv and Lua 5.2's load
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff
changeset
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8 |
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util.envload: Remove Lua 5.1 method
Kim Alvefur <zash@zash.se>
parents:
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9 local load = load; |
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util.envload: Open file here instead of letting loadfile do it so that all return values from io.open can be collected
Kim Alvefur <zash@zash.se>
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10 local io_open = io.open; |
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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>
parents:
diff
changeset
|
11 |
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util.envload: Remove Lua 5.1 method
Kim Alvefur <zash@zash.se>
parents:
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12 local function envload(code, source, env) |
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util.envload: Remove Lua 5.1 method
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parents:
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13 return load(code, source, nil, env); |
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util.envload: Remove Lua 5.1 method
Kim Alvefur <zash@zash.se>
parents:
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14 end |
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util.envload: New module to abstract Lua 5.1's setfenv and Lua 5.2's load
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff
changeset
|
15 |
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util.envload: Remove Lua 5.1 method
Kim Alvefur <zash@zash.se>
parents:
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16 local function envloadfile(file, env) |
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util.envload: Remove Lua 5.1 method
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parents:
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17 local fh, err, errno = io_open(file); |
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parents:
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18 if not fh then return fh, err, errno; end |
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util.envload: Remove Lua 5.1 method
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parents:
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19 local f, err = load(fh:lines(2048), "@" .. file, nil, env); |
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util.envload: Remove Lua 5.1 method
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parents:
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20 fh:close(); |
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util.envload: Remove Lua 5.1 method
Kim Alvefur <zash@zash.se>
parents:
8416
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21 return f, err; |
5020
ef1eb65acbba
util.envload: New module to abstract Lua 5.1's setfenv and Lua 5.2's load
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff
changeset
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22 end |
ef1eb65acbba
util.envload: New module to abstract Lua 5.1's setfenv and Lua 5.2's load
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff
changeset
|
23 |
ef1eb65acbba
util.envload: New module to abstract Lua 5.1's setfenv and Lua 5.2's load
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff
changeset
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24 return { envload = envload, envloadfile = envloadfile }; |