Add a note about the grammar creation.

2017-03-15 18:18:06 +01:00
parent c332fba488
commit 0effd348e8
1 changed files with 8 additions and 0 deletions
@@ -382,5 +382,13 @@ class DFAState(object):
 def generate_grammar(bnf_text):
    """
    ``bnf_text`` is a grammar in extended BNF (using * for repetition, + for
    at-least-once repetition, [] for optional parts, | for alternatives and ()
    for grouping).
    It's not EBNF according to ISO/IEC 14977. It's a dialect Python uses in its
    own parser.
    """
    p = ParserGenerator(bnf_text)
    return p.make_grammar()