tools.parse_llvm_coverage Namespace Reference

Functions
def	main ()

Function Documentation

main()

def tools.parse_llvm_coverage.main

(

)

Generate useful data from a coverage report.

Definition at line 169 of file parse_llvm_coverage.py.

def main():
  """Generate useful data from a coverage report."""
  # Parse args.
  parser = argparse.ArgumentParser()
  parser.add_argument('--report', help='input file; an llvm coverage report.',
                      required=True)
  parser.add_argument('--nanobench', help='output file for nanobench data.')
  parser.add_argument(
      '--key', metavar='key_or_value', nargs='+',
      help='key/value pairs identifying this bot.')
  parser.add_argument(
      '--properties', metavar='key_or_value', nargs='+',
      help='key/value pairs representing properties of this build.')
  parser.add_argument('--linebyline',
                      help='output file for line-by-line JSON data.')
  args = parser.parse_args()
 
  if args.nanobench and not (args.key and args.properties):
    raise Exception('--key and --properties are required with --nanobench')
 
  with open(args.report) as f:
    report = f.read()
 
  line_by_line = _get_per_file_per_line_coverage(report)
 
  if args.linebyline:
    with open(args.linebyline, 'w') as f:
      json.dump(line_by_line, f)
 
  if args.nanobench:
    # Parse the key and properties for use in the nanobench JSON output.
    key = _parse_key_value(args.key)
    properties = _parse_key_value(args.properties)
 
    # Get per-file summaries.
    per_file = _get_per_file_summaries(line_by_line)
 
    # Write results.
    format_results = _nanobench_json(per_file, properties, key)
    with open(args.nanobench, 'w') as f:
      json.dump(format_results, f)