#!/usr/bin/env python

#
# specialize_node_d.py output_file src/node.d flavor arch
#
# Specialize node.d for given flavor (`freebsd`) and arch (`x64` or `ia32`)
#

from __future__ import print_function
import re
import sys

if len(sys.argv) != 5:
  print("usage: specialize_node_d.py outfile src/node.d flavor arch")
  sys.exit(2)

outfile = open(sys.argv[1], 'w')
infile = open(sys.argv[2], 'r')
flavor = sys.argv[3]
arch = sys.argv[4]

model = r'curpsinfo->pr_dmodel == PR_MODEL_ILP32'

for line in infile:
  if flavor == 'freebsd':
    line = re.sub('procfs.d', 'psinfo.d', line)
    if arch == 'x64':
      line = re.sub(model, '0', line)
    else:
      line = re.sub(model, '1', line)
  outfile.write(line)