I'm sorry for the dumb question. I had to add these to the lexer:
def t_comment(t):
r"\#[^\n]*\n"
t.lexer.lineno += 1
# We do not return anything - comments are ignored.
# Define a rule so we can track line numbers
def t_newline(t):
r'\n+'
t.lexer.lineno += len(t.value)
Well, it is not very straightforward. From the docs, it was not clear
that I HAVE TO increment t.lexer.lineno in my lexer if you want yacc to
parse line numbers. But it is logical. I believe this could be done
automatically, since "line number" ALWAYS means "\n", there is nothing
to be configured here. (Am I wrong? There can be parsers to parse files
where new lines are chr(255) or something?)
Thanks,
Laszlo
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