def __init__(self):
"""Compile the regexes in grammar"""
for item in grammar:
item['matches_compiled'] = {}
for name, pattern in item['matches'].items():
item['matches_compiled'][name] = \
re.compile(pattern, re.IGNORECASE)
item['semantics_compiled'] = {}
for name, pattern in item['semantics'].items():
item['semantics_compiled'][name] = \
re.compile(pattern)
if constants.SPELLCHECK:
self.didyoumean = DidYouMean('en-us', constants.DICT_DIR)
