Merge "Clarify symbols used in verify_overlaps.py"

    return mismatchingSignatures

def main(argv):

    args_parser = argparse.ArgumentParser(description='Verify that one set of hidden API flags is a subset of another.')

    args_parser.add_argument('all', help='All the flags')

    args_parser.add_argument('subsets', nargs=argparse.REMAINDER, help='Subsets of the flags')

    args_parser = argparse.ArgumentParser(description='Verify that sets of hidden API flags are each a subset of the monolithic flag file.')

    args_parser.add_argument('monolithicFlags', help='The monolithic flag file')

    args_parser.add_argument('modularFlags', nargs=argparse.REMAINDER, help='Flags produced by individual bootclasspath_fragment modules')

    args = args_parser.parse_args(argv[1:])

    # Read in all the flags into a dict indexed by signature

    allFlagsBySignature = read_signature_csv_from_file_as_dict(args.all)

    # Read in the monolithic flags into a dict indexed by signature

    monolithicFlagsPath = args.monolithicFlags

    monolithicFlagsDict = read_signature_csv_from_file_as_dict(monolithicFlagsPath)

    failed = False

    for subsetPath in args.subsets:

        subsetDict = read_signature_csv_from_file_as_dict(subsetPath)

        mismatchingSignatures = compare_signature_flags(allFlagsBySignature, subsetDict)

    for modularFlagsPath in args.modularFlags:

        modularFlagsDict = read_signature_csv_from_file_as_dict(modularFlagsPath)

        mismatchingSignatures = compare_signature_flags(monolithicFlagsDict, modularFlagsDict)

        if mismatchingSignatures:

            failed = True

            print("ERROR: Hidden API flags are inconsistent:")

            print("< " + subsetPath)

            print("> " + args.all)

            print("< " + modularFlagsPath)

            print("> " + monolithicFlagsPath)

            for mismatch in mismatchingSignatures:

                signature = mismatch[0]

                print()