utils/clang-parse-diagnostics-file

   1 #!/usr/bin/env python
   2
   3 import os
   4 import plistlib
   5
   6 def main():
   7     from optparse import OptionParser, OptionGroup
   8     parser = OptionParser("""\
   9 Usage: %prog [options] <path>
  10
  11 Utility for dumping Clang-style logged diagnostics.\
  12 """)
  13     parser.add_option("-a", "--all", action="store_true", dest="all",
  14                       default=False, help="dump all messages.")
  15     parser.add_option("-e", "--error", action="store_true", dest="error",
  16                       default=False, help="dump 'error' messages.")
  17     parser.add_option("-f", "--fatal", action="store_true", dest="fatal",
  18                       default=False, help="dump 'fatal error' messages.")
  19     parser.add_option("-i", "--ignored", action="store_true", dest="ignored",
  20                       default=False, help="dump 'ignored' messages.")
  21     parser.add_option("-n", "--note", action="store_true", dest="note",
  22                       default=False, help="dump 'note' messages.")
  23     parser.add_option("-w", "--warning", action="store_true", dest="warning",
  24                       default=False, help="dump 'warning' messages.")
  25     (opts, args) = parser.parse_args()
  26
  27     if len(args) != 1:
  28         parser.error("invalid number of arguments")
  29
  30     levels = {'error': False, 'fatal error': False, 'ignored': False,
  31               'note': False, 'warning': False}
  32     if opts.error:
  33         levels['error'] = True
  34     if opts.fatal:
  35         levels['fatal error'] = True
  36     if opts.ignored:
  37         levels['ignored'] = True
  38     if opts.note:
  39         levels['note'] = True
  40     if opts.warning:
  41         levels['warning'] = True
  42
  43     path, = args
  44
  45     # Read the diagnostics log.
  46     f = open(path)
  47     try:
  48         data = f.read()
  49     finally:
  50         f.close()
  51
  52     # Complete the plist (the log itself is just the chunks).
  53     data = """\
  54 <?xml version="1.0" encoding="UTF-8"?>
  55 <!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" \
  56                        "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
  57 <plist version="1.0">
  58 <array>
  59 %s
  60 </array>
  61 </plist>""" % data
  62
  63     # Get the list of files and diagnostics to report.
  64     to_report = []
  65     diags = plistlib.readPlistFromString(data)
  66     for file_diags in diags:
  67         file = file_diags.get('main-file')
  68
  69         # Ignore diagnostics for 'conftest.c', which is the file autoconf uses
  70         # for its tests (which frequently will have warnings).
  71         if os.path.basename(file) == 'conftest.c':
  72             continue
  73
  74         # Get the diagnostics for the selected levels.
  75         selected_diags = [d
  76                           for d in file_diags.get('diagnostics', ())
  77                           if levels[d.get('level')] or opts.all]
  78         if selected_diags:
  79             to_report.append((file, selected_diags))
  80
  81     # If there are no diagnostics to report, show nothing.
  82     if not to_report:
  83         return
  84
  85     # Otherwise, print out the diagnostics.
  86     print
  87     print "**** BUILD DIAGNOSTICS ****"
  88     for file,selected_diags in to_report:
  89         print "*** %s ***" % file
  90         for d in selected_diags:
  91             print " %s:%s:%s: %s: %s" % (
  92                 d.get('filename'), d.get('line'), d.get('column'),
  93                 d.get('level'), d.get('message'))
  94
  95 if __name__ == "__main__":
  96     main()