-- Brainfuck compiler
function brainfuck(src)
src = src:gsub("%s+","")
local char_map = {
[">"] = "i = i+1;";
["<"] = "i = i-1;";
["+"] = "t[i] = t[i]+1;";
["-"] = "t[i] = t[i]-1;";
[","] = "t[i] = io.read():byte()";
["."] = "io.write( string.char( tostring( t[i] ) ) )";
["["] = "while t[i] ~= 0 do ";
["]"] = "end;";
}
local str = ""
for i=1, src:len() do
str = str..char_map[src:sub(i,i)]
end
load("local i,t=1,setmetatable({},{__index=function() return 0 end});"..str)()
end
brainfuck("++++++++[>++++[>++>+++>+++>+<<<<-]>+>+>->>+[<]<-]>>.>---.+++++++..+++.>>.<-.<.+++.------.--------.>>+.>++.")
