From 338f62f701169a241221f4195d78d51d98b59ba8 Mon Sep 17 00:00:00 2001 From: MarcoFalke Date: Fri, 9 Oct 2015 15:49:29 +0200 Subject: [PATCH] [devtools] add clang-format.py --- contrib/devtools/clang-format.py | 62 ++++++++++++++++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100755 contrib/devtools/clang-format.py diff --git a/contrib/devtools/clang-format.py b/contrib/devtools/clang-format.py new file mode 100755 index 000000000..cee99047a --- /dev/null +++ b/contrib/devtools/clang-format.py @@ -0,0 +1,62 @@ +#!/usr/bin/env python +''' +Wrapper script for clang-format + +Copyright (c) 2015 MarcoFalke +Copyright (c) 2015 The Bitcoin Core developers +Distributed under the MIT software license, see the accompanying +file COPYING or http://www.opensource.org/licenses/mit-license.php. +''' + +import os +import sys +import subprocess + +tested_versions = ['3.6.0', '3.6.1', '3.6.2'] # A set of versions known to produce the same output +accepted_file_extensions = ('.h', '.cpp') # Files to format + +def check_clang_format_version(clang_format_exe): + try: + output = subprocess.check_output([clang_format_exe, '-version']) + for ver in tested_versions: + if ver in output: + print "Detected clang-format version " + ver + return + raise RuntimeError("Untested version: " + output) + except Exception as e: + print 'Could not verify version of ' + clang_format_exe + '.' + raise e + +def check_command_line_args(argv): + required_args = ['{clang-format-exe}', '{files}'] + example_args = ['clang-format-3.x', 'src/main.cpp', 'src/wallet/*'] + + if(len(argv) < len(required_args) + 1): + for word in (['Usage:', argv[0]] + required_args): + print word, + print '' + for word in (['E.g:', argv[0]] + example_args): + print word, + print '' + sys.exit(1) + +def run_clang_format(clang_format_exe, files): + for target in files: + if os.path.isdir(target): + for path, dirs, files in os.walk(target): + run_clang_format(clang_format_exe, (os.path.join(path, f) for f in files)) + elif target.endswith(accepted_file_extensions): + print "Format " + target + subprocess.check_call([clang_format_exe, '-i', '-style=file', target], stdout=open(os.devnull, 'wb'), stderr=subprocess.STDOUT) + else: + print "Skip " + target + +def main(argv): + check_command_line_args(argv) + clang_format_exe = argv[1] + files = argv[2:] + check_clang_format_version(clang_format_exe) + run_clang_format(clang_format_exe, files) + +if __name__ == "__main__": + main(sys.argv)