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Add docstring

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Dave Halter
2018-06-15 17:57:55 +02:00
parent 24346a0d32
commit c43cb21a0e
2 changed files with 3 additions and 5 deletions
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5
parso/pgen2/grammar.py
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@@ -16,11 +16,6 @@ fallback token code OP, but the parser needs the actual token code.
""" """
try:
import cPickle as pickle
except:
import pickle
class Grammar(object): class Grammar(object):
"""Pgen parsing tables conversion class. """Pgen parsing tables conversion class.

3
parso/pgen2/pgen.py
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@@ -204,6 +204,9 @@ def _simplify_dfas(dfas):
def _make_dfas(start, finish): def _make_dfas(start, finish):
"""
This is basically doing what the powerset construction algorithm is doing.
"""
# To turn an NFA into a DFA, we define the states of the DFA # To turn an NFA into a DFA, we define the states of the DFA
# to correspond to *sets* of states of the NFA. Then do some # to correspond to *sets* of states of the NFA. Then do some
# state reduction. # state reduction.