print(" -e instead on files, each argument is a content to parse")
print(" -i tree to parse are read interactively")
print(" -h print this help")
else if interactive then
if only_lexer then
print(" -e instead on files, each argument is a content to parse")
print(" -i tree to parse are read interactively")
print(" -h print this help")
else if interactive then
if only_lexer then