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Fix for ce 6.7 : DB 'decimalstring'

 
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Dark Byte
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PostPosted: Sun Jul 16, 2017 3:09 am    Post subject: Fix for ce 6.7 : DB 'decimalstring' Reply with quote

replace autorun/luasymbols.lua with
Code:

luasymbols=registerSymbolLookupCallback(function(str)
  if str then
    local firstchar=str:sub(1,1)
   
    if (firstchar=='\'') or (firstchar=='\"') then
      return nil
    end
 
    local c='return '..str
    local lc=loadstring(c)
    if lc then
      local isvalid,result=pcall(lc)
      if isvalid then
        return result
      else
        return nil
      end
    end
  end
end, slNotSymbol)

registerEXETrainerFeature('Lua Symbols', function()
  local r={}
  r[1]={}
  r[1].PathToFile=getCheatEngineDir()..[[autorun\luasymbols.lua]]
  r[1].RelativePath=[[autorun\]]
 
  return r
end)

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OldCheatEngineUser
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PostPosted: Sun Jul 16, 2017 3:13 am    Post subject: Reply with quote


  1. is it important, and should we do it?
  2. is it for lua users only?

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Dark Byte
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PostPosted: Sun Jul 16, 2017 3:56 am    Post subject: Reply with quote

it's for people that use AA scripts with stuff like:
Code:

db '00',0


without this fix it will be equivalent to db 00,0

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STN
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PostPosted: Sun Jul 16, 2017 5:26 am    Post subject: Reply with quote

thanks!
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FreeER
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PostPosted: Sun Jul 16, 2017 12:32 pm    Post subject: Reply with quote

Hm, I tested this since I wasn't sure how '\"' would work (it looks like a copy paste bug Smile ) and it doesn't seem like " strings get passed to the function at all using this test script on the tutorial

Code:
[ENABLE]
"Tutorial-i386.exe"+290:
  db -1,-1,-1,-1,-1,-1,-1,-1,-1,-1
[DISABLE]
"Tutorial-i386.exe"+290:
  db '12'
  db "12",0


which results in
Code:
31 32 12 00 FF FF FF FF FF FF
instead of the expected
Code:
31 32 31 32 00 FF FF FF FF FF


I added a simple
Code:
print("[[" .. firstchar .. "]] equal to \" is " .. tostring(firstchar == '\"'))
to test and the single quotes appear twice when toggling the test script, but the double quotes do not appear at all.
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Dark Byte
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PostPosted: Sun Jul 16, 2017 4:26 pm    Post subject: Reply with quote

seems like it doesn't pass the doublequoted string, but it behaves exactly the same as 6.6 (which also does this)
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