#!/usr/bin/python
#
# Copyright 2014 Google Inc. All rights reserved.
# 
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
# 
#     http://www.apache.org/licenses/LICENSE-2.0
# 
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# Contributors: Rod Sheeter (rsheeter google com)
#
# Converts a .nam file to a list of ranges.

import sys
import tokenize

if len(sys.argv) != 2:
  print "Usage: rangify <nam file>"
  sys.exit(1)

def handle_num(type, token, (srow, scol), (erow, ecol), line):
  global cps
  if type == tokenize.NUMBER:
    cps.append(int(token, 16))

cps = []
tokenize.tokenize(open(sys.argv[1]).readline, handle_num)
cps.sort()

seqs = []
seq = (None,)
for cp in cps:
  if seq[0] is None:
    seq = (cp,cp)
  elif seq[1] == cp - 1:
    seq = (seq[0], cp)
  else:
    seqs.append(seq)
    seq = (None,)

for seq in seqs:
  print seq