Function ProcessFileData

tools/cpplint.py:7535–7610

Performs lint checks and reports any errors to the given error function. Args: filename: Filename of the file that is being processed. file_extension: The extension (dot not included) of the file. lines: An array of strings, each representing a line of the file, with the

(filename, file_extension, lines, error, extra_check_functions=None)

def ProcessFileData(filename, file_extension, lines, error, extra_check_functions=None):
    """Performs lint checks and reports any errors to the given error function.

    Args:
      filename: Filename of the file that is being processed.
      file_extension: The extension (dot not included) of the file.
      lines: An array of strings, each representing a line of the file, with the
             last element being empty if the file is terminated with a newline.
      error: A callable to which errors are reported, which takes 4 arguments:
             filename, line number, error level, and message
      extra_check_functions: An array of additional check functions that will be
                             run on each source line. Each function takes 4
                             arguments: filename, clean_lines, line, error
    """
    lines = (
        ["// marker so line numbers and indices both start at 1"]
        + lines
        + ["// marker so line numbers end in a known way"]
    )

    include_state = _IncludeState()
    function_state = _FunctionState()
    nesting_state = NestingState()

    ResetNolintSuppressions()

    CheckForCopyright(filename, lines, error)
    ProcessGlobalSuppressions(filename, lines)
    RemoveMultiLineComments(filename, lines, error)
    clean_lines = CleansedLines(lines)

    cppvar = None
    if IsHeaderExtension(file_extension):
        cppvar = GetHeaderGuardCPPVariable(filename)
        CheckForHeaderGuard(filename, clean_lines, error, cppvar)

    for line in range(clean_lines.NumLines()):
        ProcessLine(
            filename,
            file_extension,
            clean_lines,
            line,
            include_state,
            function_state,
            nesting_state,
            error,
            extra_check_functions,
            cppvar,
        )
        FlagCxxHeaders(filename, clean_lines, line, error)
    if _error_suppressions.HasOpenBlock():
        error(
            filename,
            _error_suppressions.GetOpenBlockStart(),
            "readability/nolint",
            5,
            "NONLINT block never ended",
        )