Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into staging
[qemu.git] / scripts / acpi_extract_preprocess.py
1 #!/usr/bin/python
2 # Copyright (C) 2011 Red Hat, Inc., Michael S. Tsirkin <mst@redhat.com>
3 #
4 # This program is free software; you can redistribute it and/or modify
5 # it under the terms of the GNU General Public License as published by
6 # the Free Software Foundation; either version 2 of the License, or
7 # (at your option) any later version.
8 #
9 # This program is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 # GNU General Public License for more details.
13 #
14 # You should have received a copy of the GNU General Public License along
15 # with this program; if not, see <http://www.gnu.org/licenses/>.
16
17 # Read a preprocessed ASL listing and put each ACPI_EXTRACT
18 # directive in a comment, to make iasl skip it.
19 # We also put each directive on a new line, the machinery
20 # in tools/acpi_extract.py requires this.
21
22 import re;
23 import sys;
24 import fileinput;
25
26 def die(diag):
27 sys.stderr.write("Error: %s\n" % (diag))
28 sys.exit(1)
29
30 # Note: () around pattern make split return matched string as part of list
31 psplit = re.compile(r''' (
32 \b # At word boundary
33 ACPI_EXTRACT_\w+ # directive
34 \s+ # some whitespace
35 \w+ # array name
36 )''', re.VERBOSE);
37
38 lineno = 0
39 for line in fileinput.input():
40 # line number and debug string to output in case of errors
41 lineno = lineno + 1
42 debug = "input line %d: %s" % (lineno, line.rstrip())
43
44 s = psplit.split(line);
45 # The way split works, each odd item is the matching ACPI_EXTRACT directive.
46 # Put each in a comment, and on a line by itself.
47 for i in range(len(s)):
48 if (i % 2):
49 sys.stdout.write("\n/* %s */\n" % s[i])
50 else:
51 sys.stdout.write(s[i])