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
|
#!/usr/bin/env python3
# Copyright 2018 the V8 project authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
# vim:fenc=utf-8:shiftwidth=2:tabstop=2:softtabstop=2:extandtab
"""
Generate object-macros-undef.h from object-macros.h.
"""
import os.path
import re
import sys
INPUT = 'src/objects/object-macros.h'
OUTPUT = 'src/objects/object-macros-undef.h'
HEADER = """// Copyright 2016 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Generate this file using the {} script.
// PRESUBMIT_INTENTIONALLY_MISSING_INCLUDE_GUARD
""".format(os.path.basename(__file__))
def main():
if not os.path.isfile(INPUT):
sys.exit("Input file {} does not exist; run this script in a v8 checkout."
.format(INPUT))
if not os.path.isfile(OUTPUT):
sys.exit("Output file {} does not exist; run this script in a v8 checkout."
.format(OUTPUT))
regexp = re.compile('^#define (\w+)')
seen = set()
with open(INPUT, 'r') as infile, open(OUTPUT, 'w') as outfile:
outfile.write(HEADER)
for line in infile:
match = regexp.match(line)
if match and match.group(1) not in seen:
seen.add(match.group(1))
outfile.write('#undef {}\n'.format(match.group(1)))
if __name__ == "__main__":
main()
|
