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-rwxr-xr-xcontrib/devtools/clang-format.py62
1 files changed, 62 insertions, 0 deletions
diff --git a/contrib/devtools/clang-format.py b/contrib/devtools/clang-format.py
new file mode 100755
index 0000000000..cee99047ac
--- /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)