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-rw-r--r--contrib/devtools/README.md6
-rwxr-xr-xcontrib/devtools/check-doc.py45
2 files changed, 51 insertions, 0 deletions
diff --git a/contrib/devtools/README.md b/contrib/devtools/README.md
index a58b8733a6..1647d3ee3b 100644
--- a/contrib/devtools/README.md
+++ b/contrib/devtools/README.md
@@ -2,6 +2,12 @@ Contents
========
This directory contains tools for developers working on this repository.
+check-doc.py
+============
+
+Check if all command line args are documented. The return value indicates the
+number of undocumented args.
+
clang-format.py
===============
diff --git a/contrib/devtools/check-doc.py b/contrib/devtools/check-doc.py
new file mode 100755
index 0000000000..bc4ad53491
--- /dev/null
+++ b/contrib/devtools/check-doc.py
@@ -0,0 +1,45 @@
+#!/usr/bin/env python
+# Copyright (c) 2014 The Bitcoin Core developers
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+'''
+This checks if all command line args are documented.
+Return value is 0 to indicate no error.
+
+Author: @MarcoFalke
+'''
+
+from subprocess import check_output
+import re
+
+FOLDER_GREP = 'src'
+FOLDER_TEST = 'src/test/'
+CMD_ROOT_DIR = '`git rev-parse --show-toplevel`/%s' % FOLDER_GREP
+CMD_GREP_ARGS = r"egrep -r -I '(map(Multi)?Args(\.count\(|\[)|Get(Bool)?Arg\()\"\-[^\"]+?\"' %s | grep -v '%s'" % (CMD_ROOT_DIR, FOLDER_TEST)
+CMD_GREP_DOCS = r"egrep -r -I 'HelpMessageOpt\(\"\-[^\"=]+?(=|\")' %s" % (CMD_ROOT_DIR)
+REGEX_ARG = re.compile(r'(?:map(?:Multi)?Args(?:\.count\(|\[)|Get(?:Bool)?Arg\()\"(\-[^\"]+?)\"')
+REGEX_DOC = re.compile(r'HelpMessageOpt\(\"(\-[^\"=]+?)(?:=|\")')
+# list unsupported, deprecated and duplicate args as they need no documentation
+SET_DOC_OPTIONAL = set(['-rpcssl', '-benchmark', '-h', '-help', '-socks', '-tor', '-debugnet'])
+
+def main():
+ used = check_output(CMD_GREP_ARGS, shell=True)
+ docd = check_output(CMD_GREP_DOCS, shell=True)
+
+ args_used = set(re.findall(REGEX_ARG,used))
+ args_docd = set(re.findall(REGEX_DOC,docd)).union(SET_DOC_OPTIONAL)
+ args_need_doc = args_used.difference(args_docd)
+ args_unknown = args_docd.difference(args_used)
+
+ print "Args used : %s" % len(args_used)
+ print "Args documented : %s" % len(args_docd)
+ print "Args undocumented: %s" % len(args_need_doc)
+ print args_need_doc
+ print "Args unknown : %s" % len(args_unknown)
+ print args_unknown
+
+ exit(len(args_need_doc))
+
+if __name__ == "__main__":
+ main()