generatefromarray.rb

// generate code for parsing an array of array
tab = [ ["a","b"] , ["c","e"] , ["d"]]


def generation(tab)
metastring = ""
length = tab.length
i = 0
indent = "  "
for content in tab 
  if i != 0
    metastring += "for t#{i} in tab"
    j = i
    while j > 0
      metastring += "-[t#{(j-1)}]"
      j = j - 1
    end
  metastring += "\n"
  metastring += indent*(i+1) 
  i  = i +1
  elsif
    metastring += "for t#{i} in tab\n"
    metastring += indent
    i = i +1
  end
  
end 
  temp = i
  i = 0
  for content in tab 
  if i != 0
    metastring += "for u#{i} in t#{i}"
    j = i
    while j > 0
      metastring += "-[u#{(j-1)}]"
      j = j - 1
    end
  metastring += "\n"
  metastring += indent*(temp+i+1) 
  i  = i +1
  elsif
    metastring += "for u#{i} in t#{i}\n"
    metastring += indent*(temp+1)
    i = i +1
  end
end
metastring += "\n"
metastring += (indent*tab.length*2)+"puts\" "
i = 0
for content in tab
metastring += "\#{u#{i}} "
i += 1
end
metastring += "\"\n"
metastring += "\n"
i = 0
while i < tab.length*2
i += 1
metastring += (indent*((tab.length*2)-i))+"end\n"
end
return metastring
end
puts generation(tab)