README: clarification

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CPunch 2022-08-11 16:00:41 -05:00
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# LuaDecompy
An experimental Lua 5.1 bytecode decompiler.
An experimental Lua 5.1 dump decompiler (typically dumped using `luac -o <out.luac> <script.lua>`).
## Example usage
```sh
python main.py example.luac
> cat example.lua && luac5.1 -o example.luac example.lua
pp = "pri" .. "nt"
if 2 + 2 == 4 then
_G[pp]("Hello world")
end
> python main.py example.luac
example.luac
==== [[example.lua's constants]] ====
@ -24,29 +31,19 @@ example.luac
[ 2] CONCAT : R[0] R[0] R[1]
[ 3] SETGLOBAL : R[0] R[0]
[ 4] EQ : R[0] K[3] K[3]
[ 5] JMP : R[0] R[12]
[ 5] JMP : R[0] R[5]
[ 6] GETGLOBAL : R[0] K[4]
[ 7] GETGLOBAL : R[1] K[0]
[ 8] GETTABLE : R[0] R[0] R[1]
[ 9] LOADK : R[1] K[5]
[ 10] CALL : R[0] R[2] R[4]
[ 11] GETGLOBAL : R[3] K[4]
[ 12] GETGLOBAL : R[4] K[0]
[ 13] GETTABLE : R[3] R[3] R[4]
[ 14] MOVE : R[4] R[2] R[0]
[ 15] MOVE : R[5] R[1] R[0]
[ 16] MOVE : R[6] R[0] R[0]
[ 17] CALL : R[3] R[4] R[1]
[ 18] RETURN : R[0] R[1] R[0]
[ 10] CALL : R[0] R[2] R[1]
[ 11] RETURN : R[0] R[1] R[0]
==== [[example.lua's decompiled source]] ====
pp = "pri" .. "nt"
if 4.0 == 4.0 then
local __unknLocal0, __unknLocal1, __unknLocal2 = _G[pp]("Hello world")
_G[pp](__unknLocal2, __unknLocal1, __unknLocal0)
_G[pp]("Hello world")
end
```