def CheckRedundantOverrideOrFinal()

in cpplint.py [0:0]

• 14 lines of code
• 9 McCabe index (conditional complexity)

def CheckRedundantOverrideOrFinal(filename, clean_lines, linenum, error):
    """Check if line contains a redundant "override" or "final" virt-specifier.

  Args:
    filename: The name of the current file.
    clean_lines: A CleansedLines instance containing the file.
    linenum: The number of the line to check.
    error: The function to call with any errors found.
  """
    # Look for closing parenthesis nearby.  We need one to confirm where
    # the declarator ends and where the virt-specifier starts to avoid
    # false positives.
    line = clean_lines.elided[linenum]
    declarator_end = line.rfind(')')
    if declarator_end >= 0:
        fragment = line[declarator_end:]
    else:
        if linenum > 1 and clean_lines.elided[linenum - 1].rfind(')') >= 0:
            fragment = line
        else:
            return

    # Check that at most one of "override" or "final" is present, not both
    if Search(r'\boverride\b', fragment) and Search(r'\bfinal\b', fragment):
        error(filename, linenum, 'readability/inheritance', 4,
              ('"override" is redundant since function is '
               'already declared as "final"'))