mirror of
https://github.com/MikaylaFischler/cc-mek-scada.git
synced 2024-08-30 18:22:34 +00:00
26 lines
588 B
Lua
26 lines
588 B
Lua
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local ok, e
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ok = nil
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if not ok then
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ok, e = pcall(require, "bit") -- the LuaJIT one ?
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end
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if not ok then
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ok, e = pcall(require, "bit32") -- Lua 5.2
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end
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if not ok then
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ok, e = pcall(require, "bit.numberlua") -- for Lua 5.1, https://github.com/tst2005/lua-bit-numberlua/
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end
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if not ok then
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error("no bitwise support found", 2)
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end
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assert(type(e) == "table", "invalid bit module")
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-- Workaround to support Lua 5.2 bit32 API with the LuaJIT bit one
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if e.rol and not e.lrotate then
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e.lrotate = e.rol
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end
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if e.ror and not e.rrotate then
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e.rrotate = e.ror
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end
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return e
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