tools/python/preproc.py

   1 #!/usr/bin/env python
   2 # coding: utf8
   3
   4 #                                                        ____  _____
   5 #                            ________  _________  ____  / __ \/ ___/
   6 #                           / ___/ _ \/ ___/ __ \/ __ \/ / / /\__ \
   7 #                          / /  /  __/ /__/ /_/ / / / / /_/ /___/ /
   8 #                         /_/   \___/\___/\____/_/ /_/\____//____/
   9 #
  10 # ======================================================================
  11 #
  12 #   project:      ReconOS
  13 #   author:       Christoph Rüthing, University of Paderborn
  14 #   description:  A simple preprocessor which handles "GENERATE LOOP"
  15 #
  16 # ======================================================================
  17
  18 import sys
  19
  20 def generate_loop(filename, num_hwts):
  21         STATE_COPY = 0
  22         STATE_LOOP = 1
  23
  24         fin = open(filename, "r")
  25         state = STATE_COPY
  26
  27         while True:
  28                 line = fin.readline()
  29
  30                 if not line:
  31                         break;
  32
  33                 if "END GENERATE LOOP" in line:
  34                         state = STATE_COPY
  35
  36                 if state == STATE_COPY:
  37                         sys.stdout.write(line)
  38                 else:
  39                         for i in range(num_hwts):
  40                                 loopline = line.replace("#i#", str(i))
  41                                 sys.stdout.write(loopline)
  42
  43                 if "BEGIN GENERATE LOOP" in line:
  44                         state = STATE_LOOP
  45
  46
  47         fin.close();
  48
  49 generate_loop(sys.argv[1], int(sys.argv[2]))