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      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()
     97