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proc_flist.py
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proc_flist.py
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#!/usr/bin/python3
#
# Copyright 2022 ETH Zurich and University of Bologna
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
"""
Preprocess SystemVerilog filelists/commandlists
Most commonly used to turn relative paths into absolute paths
bugs: balasr@iis.ee.ethz.ch
"""
import argparse
import os
import sys
import re
parser = argparse.ArgumentParser(prog='proc_flist.py',
description="""Preprocess
filelists/commandlist""")
parser.add_argument('file_list', metavar='FILE', type=str,
help="""Read filelist or commandlist from FILE""")
parser.add_argument('-r', '--root', type=str, help="""Root for absolute paths.
Default is set to current working directory""", default=os.getcwd())
parser.add_argument('-a', '--absolute', action='store_true',
help="""Make all paths absolute""")
parser.add_argument('-s', '--script-as-root', action='store_true',
help="""Use this script's location as root""")
parser.add_argument('--no-normalize', action='store_true',
help="""Disable path normalization""")
parser.add_argument('-e', '--exclude', type=str, action='append',
help="""Remove files (indicated with python regex)""")
parser.add_argument('-o', '--output', type=str,
help="""Write to OUTPUT file""")
args = parser.parse_args()
def normalize(path):
if not (args.no_normalize):
return os.path.normpath(path)
else:
return path
with open(args.file_list) as fin:
# write to file if requested
if args.output:
fout = open(args.output, 'w')
else:
fout = sys.stdout
# absolute path to this script
root = args.root
if (args.script_as_root):
root = os.path.dirname(os.path.realpath(sys.argv[0]))
for line in fin:
# leave out line if it matches given regex/files
match = False
if args.exclude:
for regex in args.exclude:
match = match or re.search(regex, line)
if match:
continue
if args.absolute:
# already an absolute path
if line.startswith('/'):
fout.write(line)
# include statement
elif line.startswith('+incdir+'):
path = line[len('+incdir+'):]
if path.startswith('/'):
fout.write(line)
else:
fout.write('+incdir+' + normalize(root + '/' + path))
# macros
elif line.startswith('+define+'):
pass
# relative path
else:
fout.write(normalize(root + '/' + line))
else:
fout.write(line)