tools: bump cpplint to 1.5.4

PR-URL: #36324
Reviewed-By: Antoine du Hamel <[email protected]>
Reviewed-By: Beth Griggs <[email protected]>
Reviewed-By: Luigi Pinca <[email protected]>

Author: Trott

tools/cpplint.py

@@ -59,7 +59,7 @@
 # if empty, use defaults
 _valid_extensions = set([])
 
-__VERSION__ = '1.5.3'
+__VERSION__ = '1.5.4'
 
 try:
   xrange          # Python 2
@@ -295,7 +295,6 @@
     'build/include',
     'build/include_subdir',
     'build/include_alpha',
-    'build/include_inline',
     'build/include_order',
     'build/include_what_you_use',
     'build/namespaces_headers',
@@ -311,13 +310,11 @@
     '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',
@@ -337,7 +334,6 @@
     'runtime/string',
     'runtime/threadsafe_fn',
     'runtime/vlog',
-    'runtime/v8_persistent',
     'whitespace/blank_line',
     'whitespace/braces',
     'whitespace/comma',
@@ -846,14 +842,6 @@
   'Missing space after ,': r's/,\([^ ]\)/, \1/g',
 }
 
-_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
@@ -1094,11 +1082,10 @@ class _IncludeState(object):
   # needs to move backwards, CheckNextIncludeOrder will raise an error.
   _INITIAL_SECTION = 0
   _MY_H_SECTION = 1
-  _OTHER_H_SECTION = 2
-  _OTHER_SYS_SECTION = 3
-  _C_SECTION = 4
-  _CPP_SECTION = 5
-
+  _C_SECTION = 2
+  _CPP_SECTION = 3
+  _OTHER_SYS_SECTION = 4
+  _OTHER_H_SECTION = 5
 
   _TYPE_NAMES = {
       _C_SYS_HEADER: 'C system header',
@@ -1873,7 +1860,7 @@ def FindNextMultiLineCommentEnd(lines, lineix):
 
 def RemoveMultiLineCommentsFromRange(lines, begin, end):
   """Clears a range of lines for multi-line comments."""
-  # Having // dummy comments makes the lines non-empty, so we will not get
+  # Having // <empty> comments makes the lines non-empty, so we will not get
   # unnecessary blank line warnings later in the code.
   for i in range(begin, end):
     lines[i] = '/**/'
@@ -2247,7 +2234,7 @@ def CheckForCopyright(filename, lines, error):
   """Logs an error if no Copyright message appears at the top of the file."""
 
   # We'll say it should occur by line 10. Don't forget there's a
-  # dummy line at the front.
+  # placeholder line at the front.
   for line in xrange(1, min(len(lines), 11)):
     if re.search(r'Copyright', lines[line], re.I): break
   else:                       # means no copyright line was found
@@ -2533,21 +2520,6 @@ 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.
 
@@ -3571,7 +3543,7 @@ 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.
@@ -3805,9 +3777,10 @@ def CheckSpacing(filename, clean_lines, linenum, nesting_state, error):
   # get rid of comments and strings
   line = clean_lines.elided[linenum]
 
-  # You shouldn't have spaces before your brackets, except maybe after
-  # 'delete []', 'return []() {};', or 'auto [abc, ...] = ...;'.
-  if Search(r'\w\s+\[', line) and not Search(r'(?:auto&?|delete|return)\s+\[', line):
+  # You shouldn't have spaces before your brackets, except for C++11 attributes
+  # or maybe after 'delete []', 'return []() {};', or 'auto [abc, ...] = ...;'.
+  if (Search(r'\w\s+\[(?!\[)', line) and
+      not Search(r'(?:auto&?|delete|return)\s+\[', line)):
     error(filename, linenum, 'whitespace/braces', 5,
           'Extra space before [')
 
@@ -4797,71 +4770,6 @@ 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.
@@ -5016,9 +4924,6 @@ 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)
@@ -5204,10 +5109,11 @@ 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
@@ -5470,7 +5376,7 @@ def CheckLanguage(filename, clean_lines, linenum, file_extension,
       and line[-1] != '\\'):
     error(filename, linenum, 'build/namespaces_headers', 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.')
 
 
@@ -6592,8 +6498,6 @@ 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.
 
@@ -6612,7 +6516,7 @@ 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