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# Copyright (c) 2011 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
from collections import defaultdict
import os
import re
import sys
import path_utils
import suppressions
def ReadReportsFromFile(filename):
""" Returns a list of (report_hash, report) and the URL of the report on the
waterfall.
"""
input_file = file(filename, 'r')
# reports is a list of (error hash, report) pairs.
reports = []
in_suppression = False
cur_supp = []
# This stores the last error hash found while reading the file.
last_hash = ""
for line in input_file:
line = line.strip()
line = line.replace("</span><span class=\"stdout\">", "")
line = line.replace("</span><span class=\"stderr\">", "")
line = line.replace("<", "<")
line = line.replace(">", ">")
if in_suppression:
if line == "}":
cur_supp += ["}"]
reports += [[last_hash, "\n".join(cur_supp)]]
in_suppression = False
cur_supp = []
last_hash = ""
else:
cur_supp += [" "*3 + line]
elif line == "{":
in_suppression = True
cur_supp = ["{"]
elif line.find("Suppression (error hash=#") == 0:
last_hash = line[25:41]
# The line at the end of the file is assumed to store the URL of the report.
return reports,line
suppressions_root = path_utils.ScriptDir()
supp_filename = os.path.join(suppressions_root,
"memcheck", "suppressions.txt")
vg_common = suppressions.ReadSuppressionsFromFile(supp_filename)
supp_filename = os.path.join(suppressions_root,
"tsan", "suppressions.txt")
tsan_common = suppressions.ReadSuppressionsFromFile(supp_filename)
common_suppressions = vg_common + tsan_common
supp_filename = os.path.join(suppressions_root,
"memcheck", "suppressions_mac.txt")
vg_mac = suppressions.ReadSuppressionsFromFile(supp_filename)
supp_filename = os.path.join(suppressions_root,
"tsan", "suppressions_mac.txt")
tsan_mac = suppressions.ReadSuppressionsFromFile(supp_filename)
mac_suppressions = vg_mac + tsan_mac
supp_filename = os.path.join(suppressions_root,
"..", "heapcheck", "suppressions.txt")
heapcheck_suppressions = suppressions.ReadSuppressionsFromFile(supp_filename)
# all_reports is a map {report: list of urls containing this report}
all_reports = defaultdict(list)
report_hashes = {}
for f in sys.argv[1:]:
f_reports, url = ReadReportsFromFile(f)
for (hash, report) in f_reports:
all_reports[report] += [url]
report_hashes[report] = hash
reports_count = 0
for r in all_reports:
if set([False]) == set([not re.search("%20Mac%20|mac_valgrind", url)\
for url in all_reports[r]]):
# Include mac suppressions if the report is only present on Mac
cur_supp = common_suppressions + mac_suppressions
elif set([False]) == set([not re.search("%20Heapcheck", url)\
for url in all_reports[r]]):
cur_supp = common_suppressions + heapcheck_suppressions
else:
cur_supp = common_suppressions
match = False
for s in cur_supp:
if s.Match(r.split("\n")):
match = True
break
if not match:
reports_count += 1
print "==================================="
print "This report observed at"
for url in all_reports[r]:
print " %s" % url
print "didn't match any suppressions:"
print "Suppression (error hash=#%s#):" % (report_hashes[r])
print r
print "==================================="
if reports_count > 0:
print "%d unique reports don't match any of the suppressions" % reports_count
else:
print "Congratulations! All reports are suppressed!"
# TODO(timurrrr): also make sure none of the old suppressions
# were narrowed too much.
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