1 files changed, 109 insertions, 0 deletions
diff --git a/bin/objcounts.py b/bin/objcounts.py
new file mode 100644
index 0000000..ca814b4
--- /dev/null
+++ b/bin/objcounts.py
@@ -0,0 +1,109 @@
+#!/usr/bin/env python
+#
+# Copyright (c) 2005 The SCons Foundation
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
+# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+import re
+import sys
+
+filenames = sys.argv[1:]
+
+if len(sys.argv) != 3:
+    print """Usage:  objcounts.py file1 file2
+
+Compare the --debug=object counts from two build logs.
+"""
+    sys.exit(0)
+
+def fetch_counts(fname):
+    contents = open(fname).read()
+    m = re.search('\nObject counts:(\n\s[^\n]*)*', contents, re.S)
+    lines = m.group().split('\n')
+    list = [l.split() for l in lines if re.match('\s+\d', l)]
+    d = {}
+    for l in list:
+        d[l[-1]] = map(int, l[:-1])
+    return d
+
+c1 = fetch_counts(sys.argv[1])
+c2 = fetch_counts(sys.argv[2])
+
+common = {}
+for k in c1.keys():
+    try:
+        common[k] = (c1[k], c2[k])
+    except KeyError:
+        # Transition:  we added the module to the names of a bunch of
+        # the logged objects.  Assume that c1 might be from an older log
+        # without the modules in the names, and look for an equivalent
+        # in c2.
+        if not '.' in k:
+            s = '.'+k
+            l = len(s)
+            for k2 in c2.keys():
+                if k2[-l:] == s:
+                    common[k2] = (c1[k], c2[k2])
+                    del c1[k]
+                    del c2[k2]
+                    break
+    else:
+        del c1[k]
+        del c2[k]
+
+def diffstr(c1, c2):
+    try:
+        d = c2 - c1
+    except TypeError:
+        d = ''
+    else:
+        if d:
+            d = '[%+d]' % d
+        else:
+            d = ''
+    return " %5s/%-5s %-8s" % (c1, c2, d)
+
+def printline(c1, c2, classname):
+    print \
+          diffstr(c1[2], c2[2]) + \
+          diffstr(c1[3], c2[3]) + \
+          ' ' + classname
+
+keys = common.keys()
+keys.sort()
+for k in keys:
+    c = common[k]
+    printline(c[0], c[1], k)
+
+keys = c1.keys()
+keys.sort()
+for k in keys:
+    printline(c1[k], ['--']*4, k)
+
+keys = c2.keys()
+keys.sort()
+for k in keys:
+    printline(['--']*4, c2[k], k)
+
+# Local Variables:
+# tab-width:4
+# indent-tabs-mode:nil
+# End:
+# vim: set expandtab tabstop=4 shiftwidth=4: