projects / sigrok-util.git / blame
| Commit | Line | Data |
|---|---|---|
| f6229138 DE |
1 | #!/usr/bin/env python3 |
| 2 | ## | |
| 3 | ## This file is part of the sigrok-util project. | |
| 4 | ## | |
| 5 | ## Copyright (C) 2015 Daniel Elstner <daniel.kitta@gmail.com> | |
| 6 | ## | |
| 7 | ## This program is free software: you can redistribute it and/or modify | |
| 8 | ## it under the terms of the GNU General Public License as published by | |
| 9 | ## the Free Software Foundation, either version 3 of the License, or | |
| 10 | ## (at your option) any later version. | |
| 11 | ## | |
| 12 | ## This program is distributed in the hope that it will be useful, | |
| 13 | ## but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 | ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 15 | ## GNU General Public License for more details. | |
| 16 | ## | |
| 17 | ## You should have received a copy of the GNU General Public License | |
| 18 | ## along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 19 | ## | |
| 20 | ||
| 21 | import os | |
| 22 | import sys | |
| 23 | import subprocess | |
| 24 | import tempfile | |
| 25 | import re | |
| 26 | ||
| 27 | """ | |
| 28 | Make sure that every source file has <config.h> as first include, and that | |
| 29 | no header file includes <config.h>. Pass the source directories to process | |
| 30 | as command-line arguments. | |
| 31 | """ | |
| 32 | ||
| 33 | file_patterns = ["*.[ch]", "*.cc", "*.hh", "*.[ch]pp", "*.[ch]xx", "*.h.in"] | |
| 34 | source_regex = re.compile(r'\.c[^.]*$') | |
| 35 | ||
| 36 | config_include = "#include <config.h>\n" | |
| 37 | config_h_regex = re.compile(r'\s*#\s*include\s+[<"]config\.h[>"]') | |
| 38 | ||
| 39 | def create_tmpfile(tmpdir): | |
| 40 | return tempfile.NamedTemporaryFile('w', dir=tmpdir, delete=False) | |
| 41 | ||
| 42 | def process_file(filename, tmpdir, is_source): | |
| 43 | changed = False | |
| 44 | with open(filename, 'r') as srcfile, create_tmpfile(tmpdir) as tmpfile: | |
| 45 | tmpfilename = tmpfile.name | |
| 46 | for line in srcfile: | |
| 47 | if is_source and not changed and line.startswith("#"): | |
| 48 | if line == config_include: | |
| 49 | break | |
| 50 | tmpfile.write(config_include) | |
| 51 | changed = True | |
| 52 | if config_h_regex.match(line) is None: | |
| 53 | tmpfile.write(line) | |
| 54 | else: | |
| 55 | changed = True | |
| 56 | if changed: | |
| 57 | os.replace(tmpfilename, filename) | |
| 58 | else: | |
| 59 | os.remove(tmpfilename) | |
| 60 | return changed | |
| 61 | ||
| 62 | def process_directory(srcdir): | |
| 63 | filelist = subprocess.check_output(["git", | |
| 64 | "-C", srcdir, "ls-files"] + file_patterns).decode() | |
| 65 | with tempfile.TemporaryDirectory(dir=srcdir) as tmpdir: | |
| 66 | for filename in filelist.splitlines(): | |
| 67 | if process_file(os.path.join(srcdir, filename), tmpdir, | |
| 68 | source_regex.search(filename) is not None): | |
| 69 | print("Rewrote file", filename) | |
| 70 | ||
| 71 | if len(sys.argv) < 2: | |
| 72 | sys.exit("Usage: include-config-header DIRECTORY...") | |
| 73 | ||
| 74 | for arg in sys.argv[1:]: | |
| 75 | process_directory(arg) |