1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
|
#!/usr/bin/python3
# This software has been developed by Advanced Driver Information Technology.
# Copyright(c) 2019 Advanced Driver Information Technology GmbH,
# Advanced Driver Information Technology Corporation, Robert Bosch GmbH,
# Robert Bosch Car Multimedia GmbH and DENSO Corporation.
#
# This file is part of GENIVI Project DLT - Diagnostic Log and Trace.
#
# This Source Code Form is subject to the terms of the
# Mozilla Public License (MPL), v. 2.0.
# If a copy of the MPL was not distributed with this file,
# You can obtain one at http://mozilla.org/MPL/2.0/.
#
# For further information see http://www.genivi.org/.
import pathlib
import argparse
import re
# CMake variables without references to other vars
determined_vars = {}
# Resolves variable reverences from CMakeLists e.g.:
# ${DLT_MAJOR_VERSION}.${DLT_MINOR_VERSION}
# -> 2.${DLT_MINOR_VERSION}
def resolve_variables(undetermined_vars):
for key, val in undetermined_vars.items():
m = re.search('\$\{(?P<var_name>\w+)\}', val)
if m:
if m.group('var_name') in determined_vars:
yield key, val.replace(m.group(0), determined_vars[m.group('var_name')])
continue
yield key, val
else:
determined_vars[key] = val
def main(cmake_file, header_in_file, header_out_file):
cmakelists = pathlib.Path(cmake_file)
header_in = pathlib.Path(header_in_file)
header_out = pathlib.Path(header_out_file)
src = cmakelists.open().read()
undetermined_vars = {}
# Find all cmake variable assignments
for match in re.finditer('set\s*\(\s*(?P<key>\w+)\s*(?P<value>\S+)\s*\)', src):
key = match.group('key')
val = match.group('value')
if '${' not in val:
determined_vars[key] = val
else:
undetermined_vars[key] = val
# Try to resolve all variables referencing other vars e.g.:
# set(DLT_VERSION ${DLT_MAJOR_VERSION}.${DLT_MINOR_VERSION}.${DLT_PATCH_LEVEL})
no_changes = 5
def_len = len(undetermined_vars)
while no_changes > 0:
undetermined_vars = dict(resolve_variables(undetermined_vars))
if len(undetermined_vars) == def_len:
no_changes -= 1
else:
def_len = len(undetermined_vars)
no_changes = 5
header_out.parent.mkdir(parents=True, exist_ok=True)
with header_in.open() as hi, header_out.open('w') as ho:
for line in hi:
text, _ = re.subn('@(?P<var_name>\w+)@', lambda x: determined_vars.get(x.group('var_name'), "NONE"), line)
ho.write(text)
if __name__ == '__main__':
parser = argparse.ArgumentParser()
parser.add_argument('cmakelists')
parser.add_argument('header_in')
parser.add_argument('header_out')
args = parser.parse_args()
main(args.cmakelists, args.header_in, args.header_out)
|
