parameters: (filename, clean_lines, linenum, error)
docstring: Checks for invalid increment *count++.
  
    For example following function:
    void increment_counter(int* count) {
      *count++;
    }
    is invalid, because it effectively does count++, moving pointer, and should
    be replaced with ++*count, (*count)++ or *count += 1.
  
    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.
docstring_summary: Checks for invalid increment *count++.
docstring_tokens: Checks for invalid increment * count ++ .
function: def CheckInvalidIncrement(filename, clean_lines, linenum, error):
    """Checks for invalid increment *count++.
  
    For example following function:
    void increment_counter(int* count) {
      *count++;
    }
    is invalid, because it effectively does count++, moving pointer, and should
    be replaced with ++*count, (*count)++ or *count += 1.
  
    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.
    """
    line = clean_lines.elided[linenum]
    if _RE_PATTERN_INVALID_INCREMENT.match(line):
      error(filename, linenum, 'runtime/invalid_increment', 5,
            'Changing pointer instead of value (or unused value of operator*).')
function_tokens: def CheckInvalidIncrement ( filename , clean_lines , linenum , error ) : line = clean_lines . elided [ linenum ] if _RE_PATTERN_INVALID_INCREMENT . match ( line ) : error ( filename , linenum , 'runtime/invalid_increment' , 5 , 'Changing pointer instead of value (or unused value of operator*).' )