I have to do a work for Formal Languages at my university and I have to
create a lexical analyzer for modula 3 using lex (flex), but I never
programmed in Modula3.
First I am having a little trouble whith the identifiers because in the
grammar I have it seems that " __some_variable " is not a valid
identifiers, more precisely, that I cant initiate a identifires (e.g. a
variable name) whith the char _ . Is it true or can I use _ to
initialize identifiers names?
Second, in my grammar all keywords and resercated identifiers are UPPER
CASE, and it says that Modula3 is case sensitive. So, is realy Modula3
case sensitive and do I have to type all the keywords in UPPER CASE or
can I type it in both lower an UPPER case?
Thanks.
