1 files changed, 44 insertions, 0 deletions
diff --git a/src/third_party/wiredtiger/dist/style.py b/src/third_party/wiredtiger/dist/style.py
new file mode 100755
index 00000000000..70eb7fb19ab
--- /dev/null
+++ b/src/third_party/wiredtiger/dist/style.py
@@ -0,0 +1,44 @@
+#!/usr/bin/env python
+
+# Check the style of WiredTiger C code.
+from dist import source_files
+import re, sys
+
+# Complain if a function comment is missing.
+def missing_comment():
+    for f in source_files():
+        skip_re = re.compile(r'DO NOT EDIT: automatically built')
+        func_re = re.compile(
+            r'(/\*(?:[^\*]|\*[^/])*\*/)?\n\w[\w ]+\n(\w+)', re.DOTALL)
+        s = open(f, 'r').read()
+        if skip_re.search(s):
+            continue
+        for m in func_re.finditer(s):
+            if not m.group(1) or \
+               not m.group(1).startswith('/*\n * %s --\n' % m.group(2)):
+                   print "%s:%d: missing comment for %s" % \
+                           (f, s[:m.start(2)].count('\n'), m.group(2))
+
+# Display lines that could be joined.
+def lines_could_join():
+    skip_re = re.compile(r'__asm__')
+    match_re = re.compile('(^[ \t].*\()\n^[ \t]*([^\n]*)', re.MULTILINE)
+    for f in source_files():
+        s = open(f, 'r').read()
+        if skip_re.search(s):
+            continue
+
+        for m in match_re.finditer(s):
+            if len(m.group(1).expandtabs()) + \
+                len(m.group(2).expandtabs()) < 80:
+                    print f + ': lines may be combined: '
+                    print '\t' + m.group(1).lstrip() + m.group(2)
+                    print
+
+
+missing_comment()
+
+# Don't display lines that could be joined by default; in some cases, the code
+# isn't maintained by WiredTiger, or the line splitting enhances readability.
+if len(sys.argv) > 1:
+    lines_could_join()