#!/usr/bin/python## Copyright (c) 2009 Google Inc. All rights reserved.## Redistribution and use in source and binary forms, with or without# modification, are permitted provided that the following conditions are# met:## * Redistributions of source code must retain the above copyright# notice, this list of conditions and the following disclaimer.# * Redistributions in binary form must reproduce the above# copyright notice, this list of conditions and the following disclaimer# in the documentation and/or other materials provided with the# distribution.# * Neither the name of Google Inc. nor the names of its# contributors may be used to endorse or promote products derived from# this software without specific prior written permission.## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. """Does google-lint on c++ files. The goal of this script is to identify places in the code that *may*be in non-compliance with google style. It does not attempt to fixup these problems -- the point is to educate. It does also notattempt to find all problems, or to ensure that everything it doesfind is legitimately a problem. In particular, we can get very confused by /* and // inside strings!We do a small hack, which is to ignore //'s with "'s after them on thesame line, but it is far from perfect (in either direction).""" import codecsimport copyimport getoptimport math # for logimport osimport reimport sre_compileimport stringimport sysimport unicodedata _USAGE = """Syntax: cpplint.py [--verbose=#] [--output=vs7] [--filter=-x,+y,...] [--counting=total|toplevel|detailed] [--root=subdir] [--linelength=digits] <file> [file] ... The style guidelines this tries to follow are those in http://google-styleguide.googlecode.com/svn/trunk/cppguide.xml Every problem is given a confidence score from 1-5, with 5 meaning we are certain of the problem, and 1 meaning it could be a legitimate construct. This will miss some errors, and is not a substitute for a code review. To suppress false-positive errors of a certain category, add a 'NOLINT(category)' comment to the line. NOLINT or NOLINT(*) suppresses errors of all categories on that line. The files passed in will be linted; at least one file must be provided. Default linted extensions are .cc, .cpp, .cu, .cuh and .h. Change the extensions with the --extensions flag. Flags: output=vs7 By default, the output is formatted to ease emacs parsing. Visual Studio compatible output (vs7) may also be used. Other formats are unsupported. verbose=# Specify a number 0-5 to restrict errors to certain verbosity levels. filter=-x,+y,... Specify a comma-separated list of category-filters to apply: only error messages whose category names pass the filters will be printed. (Category names are printed with the message and look like "[whitespace/indent]".) Filters are evaluated left to right. "-FOO" and "FOO" means "do not print categories that start with FOO". "+FOO" means "do print categories that start with FOO". Examples: --filter=-whitespace,+whitespace/braces --filter=whitespace,runtime/printf,+runtime/printf_format --filter=-,+build/include_what_you_use To see a list of all the categories used in cpplint, pass no arg: --filter= counting=total|toplevel|detailed The total number of errors found is always printed. If 'toplevel' is provided, then the count of errors in each of the top-level categories like 'build' and 'whitespace' will also be printed. If 'detailed' is provided, then a count is provided for each category like 'build/class'. root=subdir The root directory used for deriving header guard CPP variable. By default, the header guard CPP variable is calculated as the relative path to the directory that contains .git, .hg, or .svn. When this flag is specified, the relative path is calculated from the specified directory. If the specified directory does not exist, this flag is ignored. Examples: Assuing that src/.git exists, the header guard CPP variables for src/chrome/browser/ui/browser.h are: No flag => CHROME_BROWSER_UI_BROWSER_H_ --root=chrome => BROWSER_UI_BROWSER_H_ --root=chrome/browser => UI_BROWSER_H_ linelength=digits This is the allowed line length for the project. The default value is 80 characters. Examples: --linelength=120 extensions=extension,extension,... The allowed file extensions that cpplint will check Examples: --extensions=hpp,cpp""" # We categorize each error message we print. Here are the categories.# We want an explicit list so we can list them all in cpplint --filter=.# If you add a new error message with a new category, add it to the list# here! cpplint_unittest.py should tell you if you forget to do this._ERROR_CATEGORIES = [ 'build/class', 'build/deprecated', 'build/endif_comment', 'build/explicit_make_pair', 'build/forward_decl', 'build/header_guard', 'build/include', 'build/include_alpha', 'build/include_order', 'build/include_what_you_use', 'build/namespaces', 'build/printf_format', 'build/storage_class', 'legal/copyright', 'readability/alt_tokens', 'readability/braces', 'readability/casting', 'readability/check', 'readability/constructors', 'readability/fn_size', 'readability/function', 'readability/multiline_comment', 'readability/multiline_string', 'readability/namespace', 'readability/nolint', 'readability/nul', 'readability/streams', 'readability/todo', 'readability/utf8', 'runtime/arrays', 'runtime/casting', 'runtime/explicit', 'runtime/int', 'runtime/init', 'runtime/invalid_increment', 'runtime/member_string_references', 'runtime/memset', 'runtime/operator', 'runtime/printf', 'runtime/printf_format', 'runtime/references', 'runtime/sizeof', 'runtime/string', 'runtime/threadsafe_fn', 'runtime/vlog', 'whitespace/blank_line', 'whitespace/braces', 'whitespace/comma', 'whitespace/comments', 'whitespace/empty_conditional_body', 'whitespace/empty_loop_body', 'whitespace/end_of_line', 'whitespace/ending_newline', 'whitespace/forcolon', 'whitespace/indent', 'whitespace/line_length', 'whitespace/newline', 'whitespace/operators', 'whitespace/parens', 'whitespace/semicolon', 'whitespace/tab', 'whitespace/todo' ] # The default state of the category filter. This is overrided by the --filter=# flag. By default all errors are on, so only add here categories that should be# off by default (i.e., categories that must be enabled by the --filter= flags).# All entries here should start with a '-' or '+', as in the --filter= flag._DEFAULT_FILTERS = ['-build/include_alpha'] # We used to check for high-bit characters, but after much discussion we# decided those were OK, as long as they were in UTF-8 and didn't represent# hard-coded international strings, which belong in a separate i18n file. # C++ headers_CPP_HEADERS = frozenset([ # Legacy 'algobase.h', 'algo.h', 'alloc.h', 'builtinbuf.h', 'bvector.h', 'complex.h', 'defalloc.h', 'deque.h', 'editbuf.h', 'fstream.h', 'function.h', 'hash_map', 'hash_map.h', 'hash_set', 'hash_set.h', 'hashtable.h', 'heap.h', 'indstream.h', 'iomanip.h', 'iostream.h', 'istream.h', 'iterator.h', 'list.h', 'map.h', 'multimap.h', 'multiset.h', 'ostream.h', 'pair.h', 'parsestream.h', 'pfstream.h', 'procbuf.h', 'pthread_alloc', 'pthread_alloc.h', 'rope', 'rope.h', 'ropeimpl.h', 'set.h', 'slist', 'slist.h', 'stack.h', 'stdiostream.h', 'stl_alloc.h', 'stl_relops.h', 'streambuf.h', 'stream.h', 'strfile.h', 'strstream.h', 'tempbuf.h', 'tree.h', 'type_traits.h', 'vector.h', # 17.6.1.2 C++ library headers 'algorithm', 'array', 'atomic', 'bitset', 'chrono', 'codecvt', 'complex', 'condition_variable', 'deque', 'exception', 'forward_list', 'fstream', 'functional', 'future', 'initializer_list', 'iomanip', 'ios', 'iosfwd', 'iostream', 'istream', 'iterator', 'limits', 'list', 'locale', 'map', 'memory', 'mutex', 'new', 'numeric', 'ostream', 'queue', 'random', 'ratio', 'regex', 'set', 'sstream', 'stack', 'stdexcept', 'streambuf', 'string', 'strstream', 'system_error', 'thread', 'tuple', 'typeindex', 'typeinfo', 'type_traits', 'unordered_map', 'unordered_set', 'utility', 'valarray', 'vector', # 17.6.1.2 C++ headers for C library facilities 'cassert', 'ccomplex', 'cctype', 'cerrno', 'cfenv', 'cfloat', 'cinttypes', 'ciso646', 'climits', 'clocale', 'cmath', 'csetjmp', 'csignal', 'cstdalign', 'cstdarg', 'cstdbool', 'cstddef', 'cstdint', 'cstdio', 'cstdlib', 'cstring', 'ctgmath', 'ctime', 'cuchar', 'cwchar', 'cwctype', ]) # Assertion macros. These are defined in base/logging.h and# testing/base/gunit.h. Note that the _M versions need to come first# for substring matching to work._CHECK_MACROS = [ 'DCHECK', 'CHECK', 'EXPECT_TRUE_M', 'EXPECT_TRUE', 'ASSERT_TRUE_M', 'ASSERT_TRUE', 'EXPECT_FALSE_M', 'EXPECT_FALSE', 'ASSERT_FALSE_M', 'ASSERT_FALSE', ] # Replacement macros for CHECK/DCHECK/EXPECT_TRUE/EXPECT_FALSE_CHECK_REPLACEMENT = dict([(m, {}) for m in _CHECK_MACROS]) for op, replacement in [('==', 'EQ'), ('!=', 'NE'), ('>=', 'GE'), ('>', 'GT'), ('<=', 'LE'), ('<', 'LT')]: _CHECK_REPLACEMENT['DCHECK'][op] = 'DCHECK_%s' % replacement _CHECK_REPLACEMENT['CHECK'][op] = 'CHECK_%s' % replacement _CHECK_REPLACEMENT['EXPECT_TRUE'][op] = 'EXPECT_%s' % replacement _CHECK_REPLACEMENT['ASSERT_TRUE'][op] = 'ASSERT_%s' % replacement _CHECK_REPLACEMENT['EXPECT_TRUE_M'][op] = 'EXPECT_%s_M' % replacement _CHECK_REPLACEMENT['ASSERT_TRUE_M'][op] = 'ASSERT_%s_M' % replacement for op, inv_replacement in [('==', 'NE'), ('!=', 'EQ'), ('>=', 'LT'), ('>', 'LE'), ('<=', 'GT'), ('<', 'GE')]: _CHECK_REPLACEMENT['EXPECT_FALSE'][op] = 'EXPECT_%s' % inv_replacement _CHECK_REPLACEMENT['ASSERT_FALSE'][op] = 'ASSERT_%s' % inv_replacement _CHECK_REPLACEMENT['EXPECT_FALSE_M'][op] = 'EXPECT_%s_M' % inv_replacement _CHECK_REPLACEMENT['ASSERT_FALSE_M'][op] = 'ASSERT_%s_M' % inv_replacement # Alternative tokens and their replacements. For full list, see section 2.5# Alternative tokens [lex.digraph] in the C++ standard.## Digraphs (such as '%:') are not included here since it's a mess to# match those on a word boundary._ALT_TOKEN_REPLACEMENT = { 'and': '&&', 'bitor': '|', 'or': '||', 'xor': '^', 'compl': '~', 'bitand': '&', 'and_eq': '&=', 'or_eq': '|=', 'xor_eq': '^=', 'not': '!', 'not_eq': '!=' } # Compile regular expression that matches all the above keywords. The "[ =()]"# bit is meant to avoid matching these keywords outside of boolean expressions.## False positives include C-style multi-line comments and multi-line strings# but those have always been troublesome for cpplint._ALT_TOKEN_REPLACEMENT_PATTERN = re.compile( r'[ =()](' + ('|'.join(_ALT_TOKEN_REPLACEMENT.keys())) + r')(?=[ (]|$)') # These constants define types of headers for use with# _IncludeState.CheckNextIncludeOrder()._C_SYS_HEADER = 1_CPP_SYS_HEADER = 2_LIKELY_MY_HEADER = 3_POSSIBLE_MY_HEADER = 4_OTHER_HEADER = 5 # These constants define the current inline assembly state_NO_ASM = 0 # Outside of inline assembly block_INSIDE_ASM = 1 # Inside inline assembly block_END_ASM = 2 # Last line of inline assembly block_BLOCK_ASM = 3 # The whole block is an inline assembly block # Match start of assembly blocks_MATCH_ASM = re.compile(r'^\s*(?:asm|_asm|__asm|__asm__)' r'(?:\s+(volatile|__volatile__))?' r'\s*[{(]') _regexp_compile_cache = {} # Finds occurrences of NOLINT or NOLINT(...)._RE_SUPPRESSION = re.compile(r'\bNOLINT\b(\([^)]*\))?') # {str, set(int)}: a map from error categories to sets of linenumbers# on which those errors are expected and should be suppressed._error_suppressions = {} # The root directory used for deriving header guard CPP variable.# This is set by --root flag._root = None # The allowed line length of files.# This is set by --linelength flag._line_length = 80 # The allowed extensions for file names# This is set by --extensions flag._valid_extensions = set(['cc', 'h', 'cpp', 'cu', 'cuh']) def ParseNolintSuppressions(filename, raw_line, linenum, error): """Updates the global list of error-suppressions. Parses any NOLINT comments on the current line, updating the global error_suppressions store. Reports an error if the NOLINT comment was malformed. Args: filename: str, the name of the input file. raw_line: str, the line of input text, with comments. linenum: int, the number of the current line. error: function, an error handler. """ # FIXME(adonovan): "NOLINT(" is misparsed as NOLINT(*). matched = _RE_SUPPRESSION.search(raw_line) if matched: category = matched.group(1) if category in (None, '(*)'): # => "suppress all" _error_suppressions.setdefault(None, set()).add(linenum) else: if category.startswith('(') and category.endswith(')'): category = category[1:-1] if category in _ERROR_CATEGORIES: _error_suppressions.setdefault(category, set()).add(linenum) else: error(filename, linenum, 'readability/nolint', 5, 'Unknown NOLINT error category: %s' % category) def ResetNolintSuppressions(): "Resets the set of NOLINT suppressions to empty." _error_suppressions.clear() def IsErrorSuppressedByNolint(category, linenum): """Returns true if the specified error category is suppressed on this line. Consults the global error_suppressions map populated by ParseNolintSuppressions/ResetNolintSuppressions. Args: category: str, the category of the error. linenum: int, the current line number. Returns: bool, True iff the error should be suppressed due to a NOLINT comment. """Lines 1–500 of 4756. Load more
#!/usr/bin/python # # Copyright (c) 2009 Google Inc. All rights reserved. # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions are # met: # # * Redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer. # * Redistributions in binary form must reproduce the above # copyright notice, this list of conditions and the following disclaimer # in the documentation and/or other materials provided with the # distribution. # * Neither the name of Google Inc. nor the names of its # contributors may be used to endorse or promote products derived from # this software without specific prior written permission. # # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. """Does google-lint on c++ files. The goal of this script is to identify places in the code that *may* be in non-compliance with google style. It does not attempt to fix up these problems -- the point is to educate. It does also not attempt to find all problems, or to ensure that everything it does find is legitimately a problem. In particular, we can get very confused by /* and // inside strings! We do a small hack, which is to ignore //'s with "'s after them on the same line, but it is far from perfect (in either direction). """ import codecs import copy import getopt import math # for log import os import re import sre_compile import string import sys import unicodedata _USAGE = """ Syntax: cpplint.py [--verbose=#] [--output=vs7] [--filter=-x,+y,...] [--counting=total|toplevel|detailed] [--root=subdir] [--linelength=digits] <file> [file] ... The style guidelines this tries to follow are those in http://google-styleguide.googlecode.com/svn/trunk/cppguide.xml Every problem is given a confidence score from 1-5, with 5 meaning we are certain of the problem, and 1 meaning it could be a legitimate construct. This will miss some errors, and is not a substitute for a code review. To suppress false-positive errors of a certain category, add a 'NOLINT(category)' comment to the line. NOLINT or NOLINT(*) suppresses errors of all categories on that line. The files passed in will be linted; at least one file must be provided. Default linted extensions are .cc, .cpp, .cu, .cuh and .h. Change the extensions with the --extensions flag. Flags: output=vs7 By default, the output is formatted to ease emacs parsing. Visual Studio compatible output (vs7) may also be used. Other formats are unsupported. verbose=# Specify a number 0-5 to restrict errors to certain verbosity levels. filter=-x,+y,... Specify a comma-separated list of category-filters to apply: only error messages whose category names pass the filters will be printed. (Category names are printed with the message and look like "[whitespace/indent]".) Filters are evaluated left to right. "-FOO" and "FOO" means "do not print categories that start with FOO". "+FOO" means "do print categories that start with FOO". Examples: --filter=-whitespace,+whitespace/braces --filter=whitespace,runtime/printf,+runtime/printf_format --filter=-,+build/include_what_you_use To see a list of all the categories used in cpplint, pass no arg: --filter= counting=total|toplevel|detailed The total number of errors found is always printed. If 'toplevel' is provided, then the count of errors in each of the top-level categories like 'build' and 'whitespace' will also be printed. If 'detailed' is provided, then a count is provided for each category like 'build/class'. root=subdir The root directory used for deriving header guard CPP variable. By default, the header guard CPP variable is calculated as the relative path to the directory that contains .git, .hg, or .svn. When this flag is specified, the relative path is calculated from the specified directory. If the specified directory does not exist, this flag is ignored. Examples: Assuing that src/.git exists, the header guard CPP variables for src/chrome/browser/ui/browser.h are: No flag => CHROME_BROWSER_UI_BROWSER_H_ --root=chrome => BROWSER_UI_BROWSER_H_ --root=chrome/browser => UI_BROWSER_H_ linelength=digits This is the allowed line length for the project. The default value is 80 characters. Examples: --linelength=120 extensions=extension,extension,... The allowed file extensions that cpplint will check Examples: --extensions=hpp,cpp """ # We categorize each error message we print. Here are the categories. # We want an explicit list so we can list them all in cpplint --filter=. # If you add a new error message with a new category, add it to the list # here! cpplint_unittest.py should tell you if you forget to do this. _ERROR_CATEGORIES = [ 'build/class', 'build/deprecated', 'build/endif_comment', 'build/explicit_make_pair', 'build/forward_decl', 'build/header_guard', 'build/include', 'build/include_alpha', 'build/include_order', 'build/include_what_you_use', 'build/namespaces', 'build/printf_format', 'build/storage_class', 'legal/copyright', 'readability/alt_tokens', 'readability/braces', 'readability/casting', 'readability/check', 'readability/constructors', 'readability/fn_size', 'readability/function', 'readability/multiline_comment', 'readability/multiline_string', 'readability/namespace', 'readability/nolint', 'readability/nul', 'readability/streams', 'readability/todo', 'readability/utf8', 'runtime/arrays', 'runtime/casting', 'runtime/explicit', 'runtime/int', 'runtime/init', 'runtime/invalid_increment', 'runtime/member_string_references', 'runtime/memset', 'runtime/operator', 'runtime/printf', 'runtime/printf_format', 'runtime/references', 'runtime/sizeof', 'runtime/string', 'runtime/threadsafe_fn', 'runtime/vlog', 'whitespace/blank_line', 'whitespace/braces', 'whitespace/comma', 'whitespace/comments', 'whitespace/empty_conditional_body', 'whitespace/empty_loop_body', 'whitespace/end_of_line', 'whitespace/ending_newline', 'whitespace/forcolon', 'whitespace/indent', 'whitespace/line_length', 'whitespace/newline', 'whitespace/operators', 'whitespace/parens', 'whitespace/semicolon', 'whitespace/tab', 'whitespace/todo' ] # The default state of the category filter. This is overrided by the --filter= # flag. By default all errors are on, so only add here categories that should be # off by default (i.e., categories that must be enabled by the --filter= flags). # All entries here should start with a '-' or '+', as in the --filter= flag. _DEFAULT_FILTERS = ['-build/include_alpha'] # We used to check for high-bit characters, but after much discussion we # decided those were OK, as long as they were in UTF-8 and didn't represent # hard-coded international strings, which belong in a separate i18n file. # C++ headers _CPP_HEADERS = frozenset([ # Legacy 'algobase.h', 'algo.h', 'alloc.h', 'builtinbuf.h', 'bvector.h', 'complex.h', 'defalloc.h', 'deque.h', 'editbuf.h', 'fstream.h', 'function.h', 'hash_map', 'hash_map.h', 'hash_set', 'hash_set.h', 'hashtable.h', 'heap.h', 'indstream.h', 'iomanip.h', 'iostream.h', 'istream.h', 'iterator.h', 'list.h', 'map.h', 'multimap.h', 'multiset.h', 'ostream.h', 'pair.h', 'parsestream.h', 'pfstream.h', 'procbuf.h', 'pthread_alloc', 'pthread_alloc.h', 'rope', 'rope.h', 'ropeimpl.h', 'set.h', 'slist', 'slist.h', 'stack.h', 'stdiostream.h', 'stl_alloc.h', 'stl_relops.h', 'streambuf.h', 'stream.h', 'strfile.h', 'strstream.h', 'tempbuf.h', 'tree.h', 'type_traits.h', 'vector.h', # 17.6.1.2 C++ library headers 'algorithm', 'array', 'atomic', 'bitset', 'chrono', 'codecvt', 'complex', 'condition_variable', 'deque', 'exception', 'forward_list', 'fstream', 'functional', 'future', 'initializer_list', 'iomanip', 'ios', 'iosfwd', 'iostream', 'istream', 'iterator', 'limits', 'list', 'locale', 'map', 'memory', 'mutex', 'new', 'numeric', 'ostream', 'queue', 'random', 'ratio', 'regex', 'set', 'sstream', 'stack', 'stdexcept', 'streambuf', 'string', 'strstream', 'system_error', 'thread', 'tuple', 'typeindex', 'typeinfo', 'type_traits', 'unordered_map', 'unordered_set', 'utility', 'valarray', 'vector', # 17.6.1.2 C++ headers for C library facilities 'cassert', 'ccomplex', 'cctype', 'cerrno', 'cfenv', 'cfloat', 'cinttypes', 'ciso646', 'climits', 'clocale', 'cmath', 'csetjmp', 'csignal', 'cstdalign', 'cstdarg', 'cstdbool', 'cstddef', 'cstdint', 'cstdio', 'cstdlib', 'cstring', 'ctgmath', 'ctime', 'cuchar', 'cwchar', 'cwctype', ]) # Assertion macros. These are defined in base/logging.h and # testing/base/gunit.h. Note that the _M versions need to come first # for substring matching to work. _CHECK_MACROS = [ 'DCHECK', 'CHECK', 'EXPECT_TRUE_M', 'EXPECT_TRUE', 'ASSERT_TRUE_M', 'ASSERT_TRUE', 'EXPECT_FALSE_M', 'EXPECT_FALSE', 'ASSERT_FALSE_M', 'ASSERT_FALSE', ] # Replacement macros for CHECK/DCHECK/EXPECT_TRUE/EXPECT_FALSE _CHECK_REPLACEMENT = dict([(m, {}) for m in _CHECK_MACROS]) for op, replacement in [('==', 'EQ'), ('!=', 'NE'), ('>=', 'GE'), ('>', 'GT'), ('<=', 'LE'), ('<', 'LT')]: _CHECK_REPLACEMENT['DCHECK'][op] = 'DCHECK_%s' % replacement _CHECK_REPLACEMENT['CHECK'][op] = 'CHECK_%s' % replacement _CHECK_REPLACEMENT['EXPECT_TRUE'][op] = 'EXPECT_%s' % replacement _CHECK_REPLACEMENT['ASSERT_TRUE'][op] = 'ASSERT_%s' % replacement _CHECK_REPLACEMENT['EXPECT_TRUE_M'][op] = 'EXPECT_%s_M' % replacement _CHECK_REPLACEMENT['ASSERT_TRUE_M'][op] = 'ASSERT_%s_M' % replacement for op, inv_replacement in [('==', 'NE'), ('!=', 'EQ'), ('>=', 'LT'), ('>', 'LE'), ('<=', 'GT'), ('<', 'GE')]: _CHECK_REPLACEMENT['EXPECT_FALSE'][op] = 'EXPECT_%s' % inv_replacement _CHECK_REPLACEMENT['ASSERT_FALSE'][op] = 'ASSERT_%s' % inv_replacement _CHECK_REPLACEMENT['EXPECT_FALSE_M'][op] = 'EXPECT_%s_M' % inv_replacement _CHECK_REPLACEMENT['ASSERT_FALSE_M'][op] = 'ASSERT_%s_M' % inv_replacement # Alternative tokens and their replacements. For full list, see section 2.5 # Alternative tokens [lex.digraph] in the C++ standard. # # Digraphs (such as '%:') are not included here since it's a mess to # match those on a word boundary. _ALT_TOKEN_REPLACEMENT = { 'and': '&&', 'bitor': '|', 'or': '||', 'xor': '^', 'compl': '~', 'bitand': '&', 'and_eq': '&=', 'or_eq': '|=', 'xor_eq': '^=', 'not': '!', 'not_eq': '!=' } # Compile regular expression that matches all the above keywords. The "[ =()]" # bit is meant to avoid matching these keywords outside of boolean expressions. # # False positives include C-style multi-line comments and multi-line strings # but those have always been troublesome for cpplint. _ALT_TOKEN_REPLACEMENT_PATTERN = re.compile( r'[ =()](' + ('|'.join(_ALT_TOKEN_REPLACEMENT.keys())) + r')(?=[ (]|$)') # These constants define types of headers for use with # _IncludeState.CheckNextIncludeOrder(). _C_SYS_HEADER = 1 _CPP_SYS_HEADER = 2 _LIKELY_MY_HEADER = 3 _POSSIBLE_MY_HEADER = 4 _OTHER_HEADER = 5 # These constants define the current inline assembly state _NO_ASM = 0 # Outside of inline assembly block _INSIDE_ASM = 1 # Inside inline assembly block _END_ASM = 2 # Last line of inline assembly block _BLOCK_ASM = 3 # The whole block is an inline assembly block # Match start of assembly blocks _MATCH_ASM = re.compile(r'^\s*(?:asm|_asm|__asm|__asm__)' r'(?:\s+(volatile|__volatile__))?' r'\s*[{(]') _regexp_compile_cache = {} # Finds occurrences of NOLINT or NOLINT(...). _RE_SUPPRESSION = re.compile(r'\bNOLINT\b(\([^)]*\))?') # {str, set(int)}: a map from error categories to sets of linenumbers # on which those errors are expected and should be suppressed. _error_suppressions = {} # The root directory used for deriving header guard CPP variable. # This is set by --root flag. _root = None # The allowed line length of files. # This is set by --linelength flag. _line_length = 80 # The allowed extensions for file names # This is set by --extensions flag. _valid_extensions = set(['cc', 'h', 'cpp', 'cu', 'cuh']) def ParseNolintSuppressions(filename, raw_line, linenum, error): """Updates the global list of error-suppressions. Parses any NOLINT comments on the current line, updating the global error_suppressions store. Reports an error if the NOLINT comment was malformed. Args: filename: str, the name of the input file. raw_line: str, the line of input text, with comments. linenum: int, the number of the current line. error: function, an error handler. """ # FIXME(adonovan): "NOLINT(" is misparsed as NOLINT(*). matched = _RE_SUPPRESSION.search(raw_line) if matched: category = matched.group(1) if category in (None, '(*)'): # => "suppress all" _error_suppressions.setdefault(None, set()).add(linenum) else: if category.startswith('(') and category.endswith(')'): category = category[1:-1] if category in _ERROR_CATEGORIES: _error_suppressions.setdefault(category, set()).add(linenum) else: error(filename, linenum, 'readability/nolint', 5, 'Unknown NOLINT error category: %s' % category) def ResetNolintSuppressions(): "Resets the set of NOLINT suppressions to empty." _error_suppressions.clear() def IsErrorSuppressedByNolint(category, linenum): """Returns true if the specified error category is suppressed on this line. Consults the global error_suppressions map populated by ParseNolintSuppressions/ResetNolintSuppressions. Args: category: str, the category of the error. linenum: int, the current line number. Returns: bool, True iff the error should be suppressed due to a NOLINT comment. """