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      1 #!/usr/bin/env python
      2 # Copyright 2014 The Chromium Authors. All rights reserved.
      3 # Use of this source code is governed by a BSD-style license that can be
      4 # found in the LICENSE file.
      5 
      6 # Script for converting celt_pitch_xcorr_arm.s -> celt_pitch_xcorr_arm.S
      7 # using the arm2gnu.pl script.
      8 
      9 import os
     10 import sys
     11 
     12 
     13 USAGE = ('Usage:\n'
     14          './convert_rtcd_assembler.py arm2gnu_script input_file output_file')
     15 
     16 
     17 def main(argv):
     18   if len(argv) != 3:
     19     print >> sys.stderr, ('Error: You must pass the following arguments:\n'
     20                           ' * arm2gnu_script_path\n'
     21                           ' * input_file\n'
     22                           ' * output_file')
     23     print USAGE
     24     return 1
     25 
     26   arm2gnu_script = os.path.abspath(argv[0])
     27   if not os.path.exists(arm2gnu_script):
     28     print >> sys.stderr, ('Error: Cannot find arm2gnu.pl script at: %s.' %
     29                           arm2gnu_script)
     30     return 2
     31 
     32   input_file = os.path.abspath(argv[1])
     33   if not os.path.exists(input_file):
     34     print >> sys.stderr, 'Error: Cannot find input file at: %s.' % input_file
     35     return 3
     36 
     37   output_file = argv[2]
     38 
     39   # Ensure the output file's directory path exists.
     40   output_dir = os.path.dirname(output_file)
     41   if not os.path.exists(output_dir):
     42     os.makedirs(output_dir)
     43 
     44   cmd = ('perl %s %s | '
     45          'sed "s/OPUS_ARM_MAY_HAVE_[A-Z]*/1/g" | '
     46          'sed "/.include/d" '
     47          '> %s') % (arm2gnu_script, input_file, output_file)
     48   print cmd
     49   return os.system(cmd)
     50 
     51 if __name__ == '__main__':
     52   sys.exit(main(sys.argv[1:]))
     53