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#!/bin/env python
# Copyright (c) 2006-2008 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.
# purify_coverage.py
import logging
import optparse
import os
import re
import sys
import google.path_utils
# local modules
import common
import purify_analyze
import purify_message
class PurifyCoverage(common.Rational):
def __init__(self):
common.Rational.__init__(self)
script_dir = google.path_utils.ScriptDir()
self._latest_dir = os.path.join(script_dir, "latest")
def CreateOptionParser(self):
common.Rational.CreateOptionParser(self)
self._parser.description = __doc__
self._parser.add_option("-n", "--name",
dest="name", default=None,
help="name of the test being run "
"(used for output filenames)")
self._parser.add_option("", "--source_dir",
help="path to top of source tree for this build"
"(used to normalize source paths in baseline)")
def ParseArgv(self):
if common.Rational.ParseArgv(self):
self._name = self._options.name
if not self._name:
self._name = os.path.basename(self._exe)
# _out_file can be set in common.Rational.ParseArgv
if not self._out_file:
self._out_file = os.path.join(self._latest_dir,
"%s_coverage.txt" % (self._name))
self._source_dir = self._options.source_dir
return True
return False
def _PurifyCommand(self):
cmd = [common.PURIFYW_PATH, "/CacheDir=" + self._cache_dir,
"/ShowInstrumentationProgress=no", "/ShowLoadLibraryProgress=no",
"/AllocCallStackLength=30", "/Coverage",
"/CoverageDefaultInstrumentationType=line"]
return cmd
def Instrument(self):
cmd = self._PurifyCommand()
# /Run=no means instrument only
cmd.append("/Run=no")
cmd.append(os.path.abspath(self._exe))
return common.Rational.Instrument(self, cmd)
def Execute(self):
cmd = self._PurifyCommand()
cmd.append("/SaveTextData=" + self._out_file)
# TODO(erikkay): should we also do /SaveMergeTextData?
return common.Rational.Execute(self, cmd)
def Analyze(self):
if not os.path.isfile(self._out_file):
logging.info("no output file %s" % self._out_file)
return -1
# TODO(erikkay): parse the output into a form we could use on the buildbots
return 0
if __name__ == "__main__":
rational = PurifyCoverage()
if rational.Run():
retcode = 0
else:
retcode = -1
sys.exit(retcode)
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