tools: bump cpplint to 1.5.0

https://github.com/cpplint/cpplint/releases/tag/1.5.0

PR-URL: #35719
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: Richard Lau <rlau@redhat.com>

Author: Trott

tools/cpplint.py

@@ -59,7 +59,7 @@
 # if empty, use defaults
 _valid_extensions = set([])
 
-__VERSION__ = '1.4.6'
+__VERSION__ = '1.5.0'
 
 try:
   xrange          # Python 2
@@ -280,7 +280,6 @@
     'build/include',
     'build/include_subdir',
     'build/include_alpha',
-    'build/include_inline',
     'build/include_order',
     'build/include_what_you_use',
     'build/namespaces_literals',
@@ -295,13 +294,11 @@
     'readability/constructors',
     'readability/fn_size',
     'readability/inheritance',
-    'readability/pointer_notation',
     'readability/multiline_comment',
     'readability/multiline_string',
     'readability/namespace',
     'readability/nolint',
     'readability/nul',
-    'readability/null_usage',
     'readability/strings',
     'readability/todo',
     'readability/utf8',
@@ -321,7 +318,6 @@
     'runtime/string',
     'runtime/threadsafe_fn',
     'runtime/vlog',
-    'runtime/v8_persistent',
     'whitespace/blank_line',
     'whitespace/braces',
     'whitespace/comma',
@@ -518,6 +514,120 @@
     'cwctype',
     ])
 
+# C headers
+_C_HEADERS = frozenset([
+    # System C headers
+    'assert.h',
+    'complex.h',
+    'ctype.h',
+    'errno.h',
+    'fenv.h',
+    'float.h',
+    'inttypes.h',
+    'iso646.h',
+    'limits.h',
+    'locale.h',
+    'math.h',
+    'setjmp.h',
+    'signal.h',
+    'stdalign.h',
+    'stdarg.h',
+    'stdatomic.h',
+    'stdbool.h',
+    'stddef.h',
+    'stdint.h',
+    'stdio.h',
+    'stdlib.h',
+    'stdnoreturn.h',
+    'string.h',
+    'tgmath.h',
+    'threads.h',
+    'time.h',
+    'uchar.h',
+    'wchar.h',
+    'wctype.h',
+    # POSIX C headers
+    'aio.h',
+    'arpa/inet.h',
+    'cpio.h',
+    'dirent.h',
+    'dlfcn.h',
+    'fcntl.h',
+    'fmtmsg.h',
+    'fnmatch.h',
+    'ftw.h',
+    'glob.h',
+    'grp.h',
+    'iconv.h',
+    'langinfo.h',
+    'libgen.h',
+    'monetary.h',
+    'mqueue.h',
+    'ndbm.h',
+    'net/if.h',
+    'netdb.h',
+    'netinet/in.h',
+    'netinet/tcp.h',
+    'nl_types.h',
+    'poll.h',
+    'pthread.h',
+    'pwd.h',
+    'regex.h',
+    'sched.h',
+    'search.h',
+    'semaphore.h',
+    'setjmp.h',
+    'signal.h',
+    'spawn.h',
+    'strings.h',
+    'stropts.h',
+    'syslog.h',
+    'tar.h',
+    'termios.h',
+    'trace.h',
+    'ulimit.h',
+    'unistd.h',
+    'utime.h',
+    'utmpx.h',
+    'wordexp.h',
+    # GNUlib headers
+    'a.out.h',
+    'aliases.h',
+    'alloca.h',
+    'ar.h',
+    'argp.h',
+    'argz.h',
+    'byteswap.h',
+    'crypt.h',
+    'endian.h',
+    'envz.h',
+    'err.h',
+    'error.h',
+    'execinfo.h',
+    'fpu_control.h',
+    'fstab.h',
+    'fts.h',
+    'getopt.h',
+    'gshadow.h',
+    'ieee754.h',
+    'ifaddrs.h',
+    'libintl.h',
+    'mcheck.h',
+    'mntent.h',
+    'obstack.h',
+    'paths.h',
+    'printf.h',
+    'pty.h',
+    'resolv.h',
+    'shadow.h',
+    'sysexits.h',
+    'ttyent.h',
+    # Hardware specific headers
+    'arm_neon.h',
+    'emmintrin.h',
+    'xmmintin.h',
+    ])
+
 # Type names
 _TYPES = re.compile(
     r'^(?:'
@@ -604,9 +714,10 @@
 # _IncludeState.CheckNextIncludeOrder().
 _C_SYS_HEADER = 1
 _CPP_SYS_HEADER = 2
-_LIKELY_MY_HEADER = 3
-_POSSIBLE_MY_HEADER = 4
-_OTHER_HEADER = 5
+_OTHER_SYS_HEADER = 3
+_LIKELY_MY_HEADER = 4
+_POSSIBLE_MY_HEADER = 5
+_OTHER_HEADER = 6
 
 # These constants define the current inline assembly state
 _NO_ASM = 0       # Outside of inline assembly block
@@ -626,14 +737,6 @@
 # Match string that indicates we're working on a Linux Kernel file.
 _SEARCH_KERNEL_FILE = re.compile(r'\b(?:LINT_KERNEL_FILE)')
 
-_NULL_TOKEN_PATTERN = re.compile(r'\bNULL\b')
-
-_V8_PERSISTENT_PATTERN = re.compile(r'\bv8::Persistent\b')
-
-_RIGHT_LEANING_POINTER_PATTERN = re.compile(r'[^=|(,\s><);&?:}]'
-                                            r'(?<!(sizeof|return))'
-                                            r'\s\*[a-zA-Z_][0-9a-zA-Z_]*')
-
 _regexp_compile_cache = {}
 
 # {str, set(int)}: a map from error categories to sets of linenumbers
@@ -653,7 +756,7 @@
 # Files to exclude from linting. This is set by the --exclude flag.
 _excludes = None
 
-# Whether to suppress PrintInfo messages
+# Whether to supress PrintInfo messages
 _quiet = False
 
 # The allowed line length of files.
@@ -862,23 +965,26 @@ class _IncludeState(object):
   # needs to move backwards, CheckNextIncludeOrder will raise an error.
   _INITIAL_SECTION = 0
   _MY_H_SECTION = 1
-  _OTHER_H_SECTION = 2
-  _C_SECTION = 3
-  _CPP_SECTION = 4
+  _C_SECTION = 2
+  _CPP_SECTION = 3
+  _OTHER_SYS_SECTION = 4
+  _OTHER_H_SECTION = 5
 
   _TYPE_NAMES = {
       _C_SYS_HEADER: 'C system header',
       _CPP_SYS_HEADER: 'C++ system header',
+      _OTHER_SYS_HEADER: 'other system header',
       _LIKELY_MY_HEADER: 'header this file implements',
       _POSSIBLE_MY_HEADER: 'header this file may implement',
       _OTHER_HEADER: 'other header',
       }
   _SECTION_NAMES = {
       _INITIAL_SECTION: "... nothing. (This can't be an error.)",
       _MY_H_SECTION: 'a header this file implements',
-      _OTHER_H_SECTION: 'other header',
       _C_SECTION: 'C system header',
       _CPP_SECTION: 'C++ system header',
+      _OTHER_SYS_SECTION: 'other system header',
+      _OTHER_H_SECTION: 'other header',
       }
 
   def __init__(self):
@@ -991,6 +1097,12 @@ def CheckNextIncludeOrder(self, header_type):
       else:
         self._last_header = ''
         return error_message
+    elif header_type == _OTHER_SYS_HEADER:
+      if self._section <= self._OTHER_SYS_SECTION:
+        self._section = self._OTHER_SYS_SECTION
+      else:
+        self._last_header = ''
+        return error_message
     elif header_type == _LIKELY_MY_HEADER:
       if self._section <= self._MY_H_SECTION:
         self._section = self._MY_H_SECTION
@@ -2274,21 +2386,6 @@ def CheckForBadCharacters(filename, lines, error):
       error(filename, linenum, 'readability/nul', 5, 'Line contains NUL byte.')
 
 
-def CheckInlineHeader(filename, include_state, error):
-  """Logs an error if both a header and its inline variant are included."""
-
-  all_headers = dict(item for sublist in include_state.include_list
-                     for item in sublist)
-  bad_headers = set('%s.h' % name[:-6] for name in all_headers.keys()
-                    if name.endswith('-inl.h'))
-  bad_headers &= set(all_headers.keys())
-
-  for name in bad_headers:
-    err =  '%s includes both %s and %s-inl.h' % (filename, name, name)
-    linenum = all_headers[name]
-    error(filename, linenum, 'build/include_inline', 5, err)
-
-
 def CheckForNewlineAtEOF(filename, lines, error):
   """Logs an error if there is no newline char at the end of the file.
 
@@ -3312,7 +3409,7 @@ def CheckForFunctionLengths(filename, clean_lines, linenum,
   """Reports for long function bodies.
 
   For an overview why this is done, see:
-  https://google.github.io/styleguide/cppguide.html#Write_Short_Functions
+  https://google-styleguide.googlecode.com/svn/trunk/cppguide.xml#Write_Short_Functions
 
   Uses a simplistic algorithm assuming other style guidelines
   (especially spacing) are followed.
@@ -4538,71 +4635,6 @@ def CheckAltTokens(filename, clean_lines, linenum, error):
           'Use operator %s instead of %s' % (
               _ALT_TOKEN_REPLACEMENT[match.group(1)], match.group(1)))
 
-def CheckNullTokens(filename, clean_lines, linenum, error):
-  """Check NULL usage.
-
-  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]
-
-  # Avoid preprocessor lines
-  if Match(r'^\s*#', line):
-    return
-
-  if line.find('/*') >= 0 or line.find('*/') >= 0:
-    return
-
-  for match in _NULL_TOKEN_PATTERN.finditer(line):
-    error(filename, linenum, 'readability/null_usage', 2,
-          'Use nullptr instead of NULL')
-
-def CheckV8PersistentTokens(filename, clean_lines, linenum, error):
-  """Check v8::Persistent usage.
-
-  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]
-
-  # Avoid preprocessor lines
-  if Match(r'^\s*#', line):
-    return
-
-  if line.find('/*') >= 0 or line.find('*/') >= 0:
-    return
-
-  for match in _V8_PERSISTENT_PATTERN.finditer(line):
-    error(filename, linenum, 'runtime/v8_persistent', 2,
-          'Use v8::Global instead of v8::Persistent')
-
-def CheckLeftLeaningPointer(filename, clean_lines, linenum, error):
-  """Check for left-leaning pointer placement.
-
-  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]
-
-  # Avoid preprocessor lines
-  if Match(r'^\s*#', line):
-    return
-
-  if '/*' in line or '*/' in line:
-    return
-
-  for match in _RIGHT_LEANING_POINTER_PATTERN.finditer(line):
-    error(filename, linenum, 'readability/pointer_notation', 2,
-          'Use left leaning pointer instead of right leaning')
 
 def GetLineWidth(line):
   """Determines the width of the line in column positions.
@@ -4757,9 +4789,6 @@ def CheckStyle(filename, clean_lines, linenum, file_extension, nesting_state,
   CheckSpacingForFunctionCall(filename, clean_lines, linenum, error)
   CheckCheck(filename, clean_lines, linenum, error)
   CheckAltTokens(filename, clean_lines, linenum, error)
-  CheckNullTokens(filename, clean_lines, linenum, error)
-  CheckV8PersistentTokens(filename, clean_lines, linenum, error)
-  CheckLeftLeaningPointer(filename, clean_lines, linenum, error)
   classinfo = nesting_state.InnermostClass()
   if classinfo:
     CheckSectionSpacing(filename, clean_lines, classinfo, linenum, error)
@@ -4820,6 +4849,8 @@ def _ClassifyInclude(fileinfo, include, is_system):
     _C_SYS_HEADER
     >>> _ClassifyInclude(FileInfo('foo/foo.cc'), 'string', True)
     _CPP_SYS_HEADER
+    >>> _ClassifyInclude(FileInfo('foo/foo.cc'), 'foo/foo.h', True)
+    _OTHER_SYS_HEADER
     >>> _ClassifyInclude(FileInfo('foo/foo.cc'), 'foo/foo.h', False)
     _LIKELY_MY_HEADER
     >>> _ClassifyInclude(FileInfo('foo/foo_unknown_extension.cc'),
@@ -4832,15 +4863,20 @@ def _ClassifyInclude(fileinfo, include, is_system):
   # those already checked for above.
   is_cpp_h = include in _CPP_HEADERS
 
+  # Mark include as C header if in list or of type 'sys/*.h'.
+  is_c_h = include in _C_HEADERS or Search(r'sys\/.*\.h', include)
+
   # Headers with C++ extensions shouldn't be considered C system headers
   if is_system and os.path.splitext(include)[1] in ['.hpp', '.hxx', '.h++']:
     is_system = False
 
   if is_system:
     if is_cpp_h:
       return _CPP_SYS_HEADER
-    else:
+    if is_c_h:
       return _C_SYS_HEADER
+    else:
+      return _OTHER_SYS_HEADER
 
   # If the target file and the include we're checking share a
   # basename when we drop common extensions, and the include
@@ -4936,10 +4972,11 @@ def CheckIncludeLine(filename, clean_lines, linenum, include_state, error):
       include_state.include_list[-1].append((include, linenum))
 
       # We want to ensure that headers appear in the right order:
-      # 1) for foo.cc, foo.h
-      # 2) other project headers
-      # 3) c system files
-      # 4) cpp system files
+      # 1) for foo.cc, foo.h  (preferred location)
+      # 2) c system files
+      # 3) cpp system files
+      # 4) for foo.cc, foo.h  (deprecated location)
+      # 5) other google headers
       #
       # We classify each include statement as one of those 5 types
       # using a number of techniques. The include_state object keeps
@@ -5202,7 +5239,7 @@ def CheckLanguage(filename, clean_lines, linenum, file_extension,
       and line[-1] != '\\'):
     error(filename, linenum, 'build/namespaces', 4,
           'Do not use unnamed namespaces in header files.  See '
-          'https://google.github.io/styleguide/cppguide.html#Namespaces'
+          'https://google-styleguide.googlecode.com/svn/trunk/cppguide.xml#Namespaces'
           ' for more information.')
 
 
@@ -6324,8 +6361,6 @@ def ProcessFileData(filename, file_extension, lines, error,
 
   CheckForNewlineAtEOF(filename, lines, error)
 
-  CheckInlineHeader(filename, include_state, error)
-
 def ProcessConfigOverrides(filename):
   """ Loads the configuration files and processes the config overrides.
 
@@ -6344,7 +6379,7 @@ def ProcessConfigOverrides(filename):
     if not base_name:
       break  # Reached the root directory.
 
-    cfg_file = os.path.join(abs_path, ".cpplint")
+    cfg_file = os.path.join(abs_path, "CPPLINT.cfg")
     abs_filename = abs_path
     if not os.path.isfile(cfg_file):
       continue