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#!/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)
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