def invoke_side_effects(argv):
log("invoke_side_effects: %s"
% ' '.join(sys.argv))
gccinv = GccInvocation(argv)
# Try to run each side effect in a subprocess, passing in a path
# for the XML results to be written to.
# Cover a multitude of possible failures by detecting if no output
# was written, and capturing *that* as a failure
for sourcefile in gccinv.sources:
if sourcefile.endswith('.c'): # FIXME: other extensions?
for script, genname in [('invoke-cppcheck', 'cppcheck'),
('invoke-clang-analyzer', 'clang-analyzer'),
('invoke-cpychecker', 'cpychecker'),
# Uncomment the following to test a
# checker that fails to write any XML:
# ('echo', 'failing-checker'),
]:
with tempfile.NamedTemporaryFile() as f:
dstxmlpath = f.name
assert not os.path.exists(dstxmlpath)
# Restrict the invocation to just one source file at a
# time:
singleinv = gccinv.restrict_to_one_source(sourcefile)
singleargv = singleinv.argv
TIMEOUT=60
t = Timer()
args = [script, dstxmlpath] + singleargv
log('invoking args: %r' % args)
p = Popen(args,
stdout=PIPE, stderr=PIPE)
try:
out, err = p.communicate(timeout=TIMEOUT)
write_streams(script, out, err)
if os.path.exists(dstxmlpath):
with open(dstxmlpath) as f:
analysis = Analysis.from_xml(f)
else:
analysis = make_failed_analysis(genname, sourcefile, t,
msgtext=('Unable to locate XML output from %s'
% script),
failureid='no-output-found')
analysis.set_custom_field('stdout', out)
analysis.set_custom_field('stderr', err)
analysis.set_custom_field('returncode', p.returncode)
except TimeoutExpired:
analysis = make_failed_analysis(genname, sourcefile, t,
msgtext='Timeout running %s' % genname,
failureid='timeout')
analysis.set_custom_field('timeout', TIMEOUT)
analysis.set_custom_field('gcc-invocation', ' '.join(argv))
write_analysis_as_xml(analysis)
def invoke(self, argv):
"""FIXME"""
self.log("Driver.invoke: %s"
% ' '.join(sys.argv))
gccinv = GccInvocation(argv)
self.log(' gccinv.sources: %r' % gccinv.sources)
# Run the side effects on each source file:
for sourcefile in gccinv.sources:
self.log(' sourcefile: %r' % sourcefile)
if sourcefile.endswith('.c'): # FIXME: other extensions?
single_source_gccinv = gccinv.restrict_to_one_source(sourcefile)
# Avoid linker errors due to splitting up the build into
# multiple gcc invocations:
single_source_gccinv.argv += ['-c']
self.log(' single_source_gccinv: %r' % single_source_gccinv)
for side_effect in self.side_effects:
analysis = self.invoke_tool(side_effect,
single_source_gccinv,
sourcefile)
#analysis.set_custom_field('gcc-invocation', ' '.join(argv))
self.write_analysis_as_xml(analysis)
# Now run the real driver.
# Note that we already ran the real gcc earlier as a
# side-effect per source-file, capturing warnings there.
# We have to do it separately from here since the invocation
# might cover multiple source files.
argv = [self.real_driver] + gccinv.argv[1:]
env=os.environ.copy()
# FIXME: this probably shouldn't be hardcoded
env['LANG'] = 'C'
p = Popen(argv,
stdout=PIPE, stderr=PIPE, env=env)
out, err = p.communicate()
self.ctxt.stdout.write(out)
self.ctxt.stderr.write(err)
self.returncode = p.returncode
def __init__(self, path):
self.stats = {}
self.utimes = Counter()
self.lifetimes = Counter()
if path.endswith('.gz'):
opener = gzip.open
else:
opener = open
self.error_count = 0
with opener(path) as f:
for linenum, line in enumerate(f):
m = pattern.match(line)
if m:
utime, lifetime, cmdline = m.groups()
utime = int(utime)
lifetime = int(lifetime)
#print(cmdline)
progname = os.path.basename(cmdline.split()[0])
if progname not in GCC_PROGRAMS:
# Skip commands that GccInvocation can't parse:
continue
gccinv = GccInvocation.from_cmdline(cmdline)
#print(gccinv)
#print(gccinv.executable)
#print(gccinv.progname)
if gccinv.progname in GCC_PROGRAMS:
# Don't try to handle collect2 yet:
if gccinv.progname == 'collect2':
continue
# Ensure that we're reliably extracting the name of the
# source file from the log:
if not gccinv.sources:
if '-print-file-name=include' in gccinv.otherargs:
continue
if len(gccinv.sources) != 1:
# Skip linkage invocations of gcc:
if all(src.endswith('.o')
for src in gccinv.sources):
continue
sys.stderr.write('%s:%i: more that one source: sources: %r in %r line: %r\n'
% (path, linenum + 1,
gccinv.sources, gccinv, line))
self.error_count += 1
srcfile = gccinv.sources[0]
self.stats[(gccinv.progname, srcfile)] = (utime, lifetime)
if gccinv.progname == 'cc1':
self.utimes[srcfile] = utime
self.lifetimes[srcfile] = lifetime
