error when key is huge int string

[freedom12]

local t = {
    ["1111111111111111111111111"] = true,
    ["foo"] = true
}
util.serpent.block(t)

errorKey = [string "util/serpent.lua"]:101: bad argument #1 to 'format' (number has no integer representation)
stack traceback:
[C]: in function 'string.format'
[string "util/serpent.lua"]:101: in function <[string "util/serpent.lua"]:100>
[C]: in function 'string.gsub'
[string "util/serpent.lua"]:107: in function <[string "util/serpent.lua"]:105>
[C]: in function 'table.sort'
[string "util/serpent.lua"]:103: in upvalue 'alphanumsort'
[string "util/serpent.lua"]:167: in local 'val2str'
[string "util/serpent.lua"]:219: in function <[string "util/serpent.lua"]:51>

[pkulchenko]

@freedom12, you can set sortkeys option to false to disable key sorting or provide your own function that handles these values better.

BTW, what version of serpent are you using? I added the following test and it passed with the current serpent version (0.303):

  local key1 = "1111111111111111111111111"
  local a = { [key1] = true, ["foo"] = true}
  local f = assert(loadstring('return '..serpent.line(a)),
    "serializing table with a long numerical keys (as string): failed")
  local _a = f()
  assert(_a[key1] == true, "table with a long numerical key (as string): failed")