575 def IsHeaderExtension(file_extension):  argument
576   return file_extension in _hpp_headers
4296 def CheckStyle(filename, clean_lines, linenum, file_extension, nesting_state,  argument
4363   if IsHeaderExtension(file_extension):
4670 def CheckLanguage(filename, clean_lines, linenum, file_extension,  argument
4712   if IsHeaderExtension(file_extension):
4819   if (IsHeaderExtension(file_extension)
5765 def ProcessLine(filename, file_extension, clean_lines, line,  argument
5794   CheckStyle(filename, clean_lines, line, file_extension, nesting_state, error)
5795   CheckLanguage(filename, clean_lines, line, file_extension, include_state,
5880 def ProcessFileData(filename, file_extension, lines, error,  argument
5909   if IsHeaderExtension(file_extension):
5913     ProcessLine(filename, file_extension, clean_lines, line,
5922   if _IsSourceExtension(file_extension):
6072   file_extension = filename[filename.rfind('.') + 1:]
6076   if filename != '-' and file_extension not in _valid_extensions:
6080     ProcessFileData(filename, file_extension, lines, Error,