def main(input_filename, output_filename):
from mgr.read import read_grammar
grammar = read_grammar(input_filename)
parser = make_lr_parser(grammar)
if not output_filename.endswith('.py'): raise ValueError(output_filename)
with open(output_filename, 'w') as f:
f.write(parser)
def main(input_filename, output_filename):
from mgr.read import read_grammar
grammar = read_grammar(input_filename)
parser = make_lr_parser(grammar)
if not output_filename.endswith('.py'): raise ValueError(output_filename)
with open(output_filename, 'w') as f:
f.write(parser)
# USAGE: python3 -m mgr.dump my_grammar_file.mgr
import sys
from mgr.read import read_grammar
if __name__ == '__main__':
g = read_grammar(sys.argv[1])
print('PROPERTIES:')
print(g.properties)
print('RULES:')
for nt in sorted(g.rules):
for r,a in sorted(g.rules[nt]):
print(' ', nt, '->', (r, a))
