local Lexer = require"lex"
local Parser = require"parse"
local Des = require"des"
local Gen = require"gen"

local tokens = {}

for tt, ts, tr, tc in Lexer.lex(Lexer.codepoints(io.open(arg[1], "r"):read("*a"))) do
    tokens[#tokens + 1] = {tt, ts, tr, tc}
end

local ast = Parser(tokens, false)

Des(ast)

Gen(ast, function(str, ...) io.write(string.format(str, ...)) end)