How many commands? One approach that I just thought of and have never
tested is to have fixed length variables, prioritized versus the commands
of that length.
Off the top of my head:
var2 ~ priority=>1
PA_command ~ 'PA' priority=>2
PR_command ~ 'PR' priority=>2
include a catch-all var for
I'll first describe your immediate problem, then ask a couple Q's.
The problem: Lexing is LATM -- *Longest* Acceptable Token Matching. The
lexeme priority is a tie breaker, used when tokens are the same length.
When your grammar fails, "PAx" is your longest token, and the only choice
at length
Hello, I'm having trouble figuring out how to express my grammar and was
hoping someone could help. I've tried rewriting various ways and looking
for some options that might change behavior, but I haven't been able to
figure it out.
I have a language with variable assignment and simple
