31 replies to this topic

[theoriginalbit]

NeverCast, on 14 January 2013 - 04:16 PM, said:

There must be a way to remove this ( Besides replace bios.lua )! *Hacker Face!*

glhf and tell me if you manage it without rewrites...

[Eric]

TheOriginalBIT, on 14 January 2013 - 04:18 PM, said:

NeverCast, on 14 January 2013 - 04:16 PM, said:

There must be a way to remove this ( Besides replace bios.lua )! *Hacker Face!*

glhf and tell me if you manage it without rewrites...

Something like this could probably do it, with:

real_getmetatable = select(some_n, steal_stack(getmetatable))

[theoriginalbit]

Eric, on 14 January 2013 - 08:47 PM, said:

Something like this could probably do it, with:

real_getmetatable = select(some_n, steal_stack(getmetatable))

Is there meant to be a code download on that page or something? Because last I checked steal_stack wasn't a function in Lua

[Eric]

TheOriginalBIT, on 14 January 2013 - 08:52 PM, said:

Eric, on 14 January 2013 - 08:47 PM, said:

Something like this could probably do it, with:

real_getmetatable = select(some_n, steal_stack(getmetatable))

Is there meant to be a code download on that page or something? Because last I checked steal_stack wasn't a function in Lua

Yep, the code is:

local steal_stack = loadstring("\27\76\117\97\81\0\1\4\4\4\8\0\0\0\0\0\0\0\0\0\7\0\0\0\0\1\2\250\4\0\0\0\65\62\0\0\101\0\0\0\28\64\0\0\94\0\0\0\1\0\0\0\0\0\0\0\0\4\0\0\0\3\0\0\0\4\0\0\0\5\0\0\0\7\0\0\0\0\0\0\0\0\0\0\0");

Unfortunately, that doesn't work in CC, presumably since luaJ uses a stackless VM...

[theoriginalbit]

Eric, on 15 January 2013 - 11:38 AM, said:

Yep, the code is:

local steal_stack = loadstring("\27\76\117\97\81\0\1\4\4\4\8\0\0\0\0\0\0\0\0\0\7\0\0\0\0\1\2\250\4\0\0\0\65\62\0\0\101\0\0\0\28\64\0\0\94\0\0\0\1\0\0\0\0\0\0\0\0\4\0\0\0\3\0\0\0\4\0\0\0\5\0\0\0\7\0\0\0\0\0\0\0\0\0\0\0");

Where was that?! I couldn't see that on there... never mind I now see it... damn byte code, didn't stand out to me

Eric, on 15 January 2013 - 11:38 AM, said:

Unfortunately, that doesn't work in CC, presumably since luaJ uses a stackless VM...

Damn... oh well...

[NeverCast]

Byte code is what I'll be using, the Endianess of LuaJ has put me a bit behind, but spitting out functions to compiled bytecode, pulling out the chunk string and changing the bytecode, then reloading it back in to a function and reassigning the function should do it. It's a long shot and I'll be a while before I'm confident enough with my Lua Bytecode

[theoriginalbit]

NeverCast, on 15 January 2013 - 11:54 AM, said:

Byte code is what I'll be using, the Endianess of LuaJ has put me a bit behind, but spitting out functions to compiled bytecode, pulling out the chunk string and changing the bytecode, then reloading it back in to a function and reassigning the function should do it. It's a long shot and I'll be a while before I'm confident enough with my Lua Bytecode

Yeh I'm not even going to bother with bytecode...

[Eric]

NeverCast, on 15 January 2013 - 11:54 AM, said:

Byte code is what I'll be using, the Endianess of LuaJ has put me a bit behind, but spitting out functions to compiled bytecode, pulling out the chunk string and changing the bytecode, then reloading it back in to a function and reassigning the function should do it. It's a long shot and I'll be a while before I'm confident enough with my Lua Bytecode

Not sure you can pull off the "reloading it back in to a function" step. A quick test shows it's more complicated:

> ms = string.dump(getmetatable)
> loaded_getmetatable = loadstring(ms)
> getmetatable({})
> loaded_getmetatable({})
string:-1: vm error: java.lang.NullPointerException
> string.dump(loaded_getmetatable) == string.dump(getmetatable)
true

[theoriginalbit]

Update!
v2.2

• Added 4 new functions: isLower, isUpper, isAlpha, is AlphaNumeric

[GravityScore]

Request: isHexidecimal

[theoriginalbit]

GravityScore, on 18 January 2013 - 10:43 PM, said:

Request: isHexidecimal

Done! And more!

Update
v2.3

• FIXED: isLower, isUpper, isAlpha, isAlphaNumeric — all now use pattern matching
  
• ADDED: isNumeric, isPunctuation, isHexadecimal

[AfterLifeLochie]

Locked by request.