[antlr-interest] upper, lower case for tokens, rule names
Terence Parr
parrt at cs.usfca.edu
Fri Jul 18 10:18:26 PDT 2003
Does anyone have an opinion on the whole "rule names start with lower
case letter" and tokens start with upper case concept borrowed from
yacc in the old days?
It's pretty easy to do two passes over the grammar to find all rule
definitions and then walk the actual rules where you'd know that "x" is
a rule if it's defined as a rule and a token if not defined. Of course
that makes it easy make lots of mistakes: undefined rule becomes a
token definition etc...
Just a thought that occurred to me that we might do away with this
"old" notion for a future version of the tool.
Terence
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