clang-parse-diagnostics-file

#!/usr/bin/env python

importos
importplistlib

defmain():
fromoptparseimportOptionParser, OptionGroup
parser=OptionParser("""\
Usage: %prog [options] <path>

Utility for dumping Clang-style logged diagnostics.\
""")
parser.add_option("-a", "--all", action="store_true", dest="all", 
default=False, help="dump all messages.")
parser.add_option("-e", "--error", action="store_true", dest="error", 
default=False, help="dump 'error' messages.")
parser.add_option("-f", "--fatal", action="store_true", dest="fatal", 
default=False, help="dump 'fatal error' messages.")
parser.add_option("-i", "--ignored", action="store_true", dest="ignored", 
default=False, help="dump 'ignored' messages.")
parser.add_option("-n", "--note", action="store_true", dest="note", 
default=False, help="dump 'note' messages.")
parser.add_option("-w", "--warning", action="store_true", dest="warning", 
default=False, help="dump 'warning' messages.")
 (opts, args) =parser.parse_args()

iflen(args) !=1:
parser.error("invalid number of arguments")

levels= {'error': False, 'fatal error': False, 'ignored': False,
'note': False, 'warning': False}
ifopts.error:
levels['error'] =True
ifopts.fatal:
levels['fatal error'] =True
ifopts.ignored:
levels['ignored'] =True
ifopts.note:
levels['note'] =True
ifopts.warning:
levels['warning'] =True

path, =args

# Read the diagnostics log.
f=open(path)
try:
data=f.read()
finally:
f.close()

# Complete the plist (the log itself is just the chunks).
data="""\
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" \
 "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<array>
%s
</array>
</plist>"""%data

# Get the list of files and diagnostics to report.
to_report= []
diags=plistlib.readPlistFromString(data)
forfile_diagsindiags:
file=file_diags.get('main-file')

# Diagnostics from modules don't have a main-file listed.
ifnotfile:
file='<module-includes>'

# Ignore diagnostics for 'conftest.c', which is the file autoconf uses
# for its tests (which frequently will have warnings).
ifos.path.basename(file) =='conftest.c':
continue

# Get the diagnostics for the selected levels.
selected_diags= [d
fordinfile_diags.get('diagnostics', ())
iflevels[d.get('level')] oropts.all]
ifselected_diags:
to_report.append((file, selected_diags))

# If there are no diagnostics to report, show nothing.
ifnotto_report:
return

# Otherwise, print out the diagnostics.
print
print"**** BUILD DIAGNOSTICS ****"
forfile,selected_diagsinto_report:
print"*** %s ***"%file
fordinselected_diags:
print" %s:%s:%s: %s: %s"% (
d.get('filename'), d.get('line'), d.get('column'),
d.get('level'), d.get('message'))

if__name__=="__main__":
main()