Datasets:

meddyrat
/

dis-bench

local tonumber, tointeger = tonumber, math.tointeger
local type, getmetatable, rawget, error = type, getmetatable, rawget, error
local strsub = string.sub

local print = print

_ENV = nil

-- Try to convert a value to an integer, without assuming any coercion.
local function toint (x)
  x = tonumber(x)   -- handle numerical strings
  if not x then
    return false    -- not coercible to a number
  end
  return tointeger(x)
end


-- If operation fails, maybe second operand has a metamethod that should
-- have been called if not for this string metamethod, so try to
-- call it.
local function trymt (x, y, mtname)
  if type(y) ~= "string" then    -- avoid recalling original metamethod
    local mt = getmetatable(y)
    local mm = mt and rawget(mt, mtname)
    if mm then
      return mm(x, y)
    end
  end
  -- if any test fails, there is no other metamethod to be called
  error("attempt to '" .. strsub(mtname, 3) ..
        "' a " .. type(x) .. " with a " .. type(y), 4)
end


local function checkargs (x, y, mtname)
  local xi = toint(x)
  local yi = toint(y)
  if xi and yi then
    return xi, yi
  else
    return trymt(x, y, mtname), nil
  end
end


local smt = getmetatable("")

smt.__band = function (x, y)
  local x, y = checkargs(x, y, "__band")
  return y and x & y or x
end

smt.__bor = function (x, y)
  local x, y = checkargs(x, y, "__bor")
  return y and x | y or x
end

smt.__bxor = function (x, y)
  local x, y = checkargs(x, y, "__bxor")
  return y and x ~ y or x
end

smt.__shl = function (x, y)
  local x, y = checkargs(x, y, "__shl")
  return y and x << y or x
end

smt.__shr = function (x, y)
  local x, y = checkargs(x, y, "__shr")
  return y and x >> y or x
end

smt.__bnot = function (x)
  local x, y = checkargs(x, x, "__bnot")
  return y and ~x or x
end

	local tonumber, tointeger = tonumber, math.tointeger
	local type, getmetatable, rawget, error = type, getmetatable, rawget, error
	local strsub = string.sub

	local print = print

	_ENV = nil

	-- Try to convert a value to an integer, without assuming any coercion.
	local function toint (x)
	x = tonumber(x) -- handle numerical strings
	if not x then
	return false -- not coercible to a number
	end
	return tointeger(x)
	end


	-- If operation fails, maybe second operand has a metamethod that should
	-- have been called if not for this string metamethod, so try to
	-- call it.
	local function trymt (x, y, mtname)
	if type(y) ~= "string" then -- avoid recalling original metamethod
	local mt = getmetatable(y)
	local mm = mt and rawget(mt, mtname)
	if mm then
	return mm(x, y)
	end
	end
	-- if any test fails, there is no other metamethod to be called
	error("attempt to '" .. strsub(mtname, 3) ..
	"' a " .. type(x) .. " with a " .. type(y), 4)
	end


	local function checkargs (x, y, mtname)
	local xi = toint(x)
	local yi = toint(y)
	if xi and yi then
	return xi, yi
	else
	return trymt(x, y, mtname), nil
	end
	end


	local smt = getmetatable("")

	smt.__band = function (x, y)
	local x, y = checkargs(x, y, "__band")
	return y and x & y or x
	end

	smt.__bor = function (x, y)
	local x, y = checkargs(x, y, "__bor")
	return y and x \| y or x
	end

	smt.__bxor = function (x, y)
	local x, y = checkargs(x, y, "__bxor")
	return y and x ~ y or x
	end

	smt.__shl = function (x, y)
	local x, y = checkargs(x, y, "__shl")
	return y and x << y or x
	end

	smt.__shr = function (x, y)
	local x, y = checkargs(x, y, "__shr")
	return y and x >> y or x
	end

	smt.__bnot = function (x)
	local x, y = checkargs(x, x, "__bnot")
	return y and ~x or x
	end