[tor-commits] [tor/master] helper script to highlight undocumented members

[nickm@xxxxxxxxxxxxxx]

commit 560450f2fbce3cf6967851e51be72cfddd35d5c1
Author: Nick Mathewson <nickm@xxxxxxxxxxxxxx>
Date:   Sat Mar 26 10:31:59 2016 -0400

    helper script to highlight undocumented members
---
 scripts/maint/locatemissingdoxygen.py | 74 +++++++++++++++++++++++++++++++++++
 1 file changed, 74 insertions(+)

diff --git a/scripts/maint/locatemissingdoxygen.py b/scripts/maint/locatemissingdoxygen.py
new file mode 100755
index 0000000..797bf81
--- /dev/null
+++ b/scripts/maint/locatemissingdoxygen.py
@@ -0,0 +1,74 @@
+#!/usr/bin/python
+
+"""
+  This script parses the stderr output of doxygen and looks for undocumented
+  stuff.  By default, it just counts the undocumented things per file.  But with
+  the -A option, it rewrites the files to stick in /*DOCDOC*/ comments
+  to highlight the undocumented stuff.
+"""
+
+import os
+import re
+import shutil
+import sys
+
+warning_pattern = re.compile(r'^([^:]+):(\d+): warning: (.*) is not documented')
+
+def readDoxygenOutput(f):
+    " yields (cfilename, lineno, thingname) "
+    for line in f:
+        m = warning_pattern.match(line)
+        if m:
+            yield m.groups()
+
+warnings = {}
+
+def buildWarnings():
+    for fn, lineno, what in list(readDoxygenOutput(sys.stdin)):
+        warnings.setdefault(fn, []).append( (int(lineno), what) )
+
+def count(fn):
+    if os.path.abspath(fn) not in warnings:
+        print "0\t%s"%fn
+    else:
+        n = len(warnings[os.path.abspath(fn)])
+        print "%d\t%s"%(n,fn)
+
+def getIndentation(line):
+    s = line.lstrip()
+    return line[:len(line)-len(s)]
+
+def annotate(filename):
+    if os.path.abspath(filename) not in warnings:
+        return
+    with open(filename) as f:
+        lines = f.readlines()
+    w = warnings[os.path.abspath(filename)][:]
+    w.sort()
+    w.reverse()
+
+    for lineno, what in w:
+        lineno -= 1 # list is 0-indexed.
+        if 'DOCDOC' in lines[lineno]:
+            continue
+        ind = getIndentation(lines[lineno])
+        lines.insert(lineno, "%s/* DOCDOC %s */\n"%(ind,what))
+
+    shutil.copy(filename, filename+".orig")
+    with open(filename, 'w') as f:
+        for l in lines:
+            f.write(l)
+
+
+if __name__ == '__main__':
+    if len(sys.argv) == 1:
+        print "Usage: locatemissingdoxygen.py [-A] filename... <doxygen_log"
+        sys.exit(1)
+    buildWarnings()
+    if sys.argv[1] == '-A':
+        del sys.argv[1]
+        func = annotate
+    else:
+        func = count
+    for fname in sys.argv[1:]:
+        func(fname)

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