parameters: (filenames, should_print)
docstring: Prints all identifiers for each C++ source file in filenames.
  
      Args:
        filenames: ['file1', 'file2', ...]
        should_print: predicate with signature: bool Function(token)
docstring_summary: Prints all identifiers for each C++ source file in filenames.
docstring_tokens: Prints all identifiers for each C ++ source file in filenames .
function: def PrintAllIndentifiers(filenames, should_print):
      """Prints all identifiers for each C++ source file in filenames.
  
      Args:
        filenames: ['file1', 'file2', ...]
        should_print: predicate with signature: bool Function(token)
      """
      for path in filenames:
          PrintIndentifiers(path, should_print)
function_tokens: def PrintAllIndentifiers ( filenames , should_print ) : for path in filenames : PrintIndentifiers ( path , should_print )