sadifier.lua

local f = io.open("codetomakesad.txt")
s = f:read("*a")
s = s:gsub("/%*.-%*/","")
     :gsub("//[^\n]+","")
repeat
	local os=s
	s=s:gsub("([{};])(%s+)([{};])","%1%3%2")
until s==os

repeat
	local os=s
	s = s:gsub("\n[\t ]-\n","\n")
until s==os

s = s:gsub("([{};])%s-(\n)","%1%2")

width = 0
for line in s:gmatch"[^\n]+" do
	width = math.max(#line:gsub("\t","    "),width)
end
width = math.ceil((width+1)/4)*4

local Out = ""
for line in s:gmatch"[^\n]+" do
	local chunk,brace = line:gsub("\t","    "):match("^(.-)([{};]*)$")
	Out = Out .. chunk .. (" "):rep(width-#chunk)..brace.."\n"
end
print(Out)