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authorcyfraeviolae <cyfraeviolae>2024-04-03 03:17:55 -0400
committercyfraeviolae <cyfraeviolae>2024-04-03 03:17:55 -0400
commit12cf076118570eebbff08c6b3090e0d4798447a1 (patch)
tree3ba25e17e3c3a5e82316558ba3864b955919ff72 /venv/lib/python3.11/site-packages/pygments/lexers/c_cpp.py
parentc45662ff3923b34614ddcc8feb9195541166dcc5 (diff)
no venv
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-"""
- pygments.lexers.c_cpp
- ~~~~~~~~~~~~~~~~~~~~~
-
- Lexers for C/C++ languages.
-
- :copyright: Copyright 2006-2023 by the Pygments team, see AUTHORS.
- :license: BSD, see LICENSE for details.
-"""
-
-import re
-
-from pygments.lexer import RegexLexer, include, bygroups, using, \
- this, inherit, default, words
-from pygments.util import get_bool_opt
-from pygments.token import Text, Comment, Operator, Keyword, Name, String, \
- Number, Punctuation, Whitespace
-
-__all__ = ['CLexer', 'CppLexer']
-
-
-class CFamilyLexer(RegexLexer):
- """
- For C family source code. This is used as a base class to avoid repetitious
- definitions.
- """
-
- # The trailing ?, rather than *, avoids a geometric performance drop here.
- #: only one /* */ style comment
- _ws1 = r'\s*(?:/[*].*?[*]/\s*)?'
-
- # Hexadecimal part in an hexadecimal integer/floating-point literal.
- # This includes decimal separators matching.
- _hexpart = r'[0-9a-fA-F](\'?[0-9a-fA-F])*'
- # Decimal part in an decimal integer/floating-point literal.
- # This includes decimal separators matching.
- _decpart = r'\d(\'?\d)*'
- # Integer literal suffix (e.g. 'ull' or 'll').
- _intsuffix = r'(([uU][lL]{0,2})|[lL]{1,2}[uU]?)?'
-
- # Identifier regex with C and C++ Universal Character Name (UCN) support.
- _ident = r'(?!\d)(?:[\w$]|\\u[0-9a-fA-F]{4}|\\U[0-9a-fA-F]{8})+'
- _namespaced_ident = r'(?!\d)(?:[\w$]|\\u[0-9a-fA-F]{4}|\\U[0-9a-fA-F]{8}|::)+'
-
- # Single and multiline comment regexes
- # Beware not to use *? for the inner content! When these regexes
- # are embedded in larger regexes, that can cause the stuff*? to
- # match more than it would have if the regex had been used in
- # a standalone way ...
- _comment_single = r'//(?:.|(?<=\\)\n)*\n'
- _comment_multiline = r'/(?:\\\n)?[*](?:[^*]|[*](?!(?:\\\n)?/))*[*](?:\\\n)?/'
-
- # Regex to match optional comments
- _possible_comments = rf'\s*(?:(?:(?:{_comment_single})|(?:{_comment_multiline}))\s*)*'
-
- tokens = {
- 'whitespace': [
- # preprocessor directives: without whitespace
- (r'^#if\s+0', Comment.Preproc, 'if0'),
- ('^#', Comment.Preproc, 'macro'),
- # or with whitespace
- ('^(' + _ws1 + r')(#if\s+0)',
- bygroups(using(this), Comment.Preproc), 'if0'),
- ('^(' + _ws1 + ')(#)',
- bygroups(using(this), Comment.Preproc), 'macro'),
- # Labels:
- # Line start and possible indentation.
- (r'(^[ \t]*)'
- # Not followed by keywords which can be mistaken as labels.
- r'(?!(?:public|private|protected|default)\b)'
- # Actual label, followed by a single colon.
- r'(' + _ident + r')(\s*)(:)(?!:)',
- bygroups(Whitespace, Name.Label, Whitespace, Punctuation)),
- (r'\n', Whitespace),
- (r'[^\S\n]+', Whitespace),
- (r'\\\n', Text), # line continuation
- (_comment_single, Comment.Single),
- (_comment_multiline, Comment.Multiline),
- # Open until EOF, so no ending delimiter
- (r'/(\\\n)?[*][\w\W]*', Comment.Multiline),
- ],
- 'statements': [
- include('keywords'),
- include('types'),
- (r'([LuU]|u8)?(")', bygroups(String.Affix, String), 'string'),
- (r"([LuU]|u8)?(')(\\.|\\[0-7]{1,3}|\\x[a-fA-F0-9]{1,2}|[^\\\'\n])(')",
- bygroups(String.Affix, String.Char, String.Char, String.Char)),
-
- # Hexadecimal floating-point literals (C11, C++17)
- (r'0[xX](' + _hexpart + r'\.' + _hexpart + r'|\.' + _hexpart +
- r'|' + _hexpart + r')[pP][+-]?' + _hexpart + r'[lL]?', Number.Float),
-
- (r'(-)?(' + _decpart + r'\.' + _decpart + r'|\.' + _decpart + r'|' +
- _decpart + r')[eE][+-]?' + _decpart + r'[fFlL]?', Number.Float),
- (r'(-)?((' + _decpart + r'\.(' + _decpart + r')?|\.' +
- _decpart + r')[fFlL]?)|(' + _decpart + r'[fFlL])', Number.Float),
- (r'(-)?0[xX]' + _hexpart + _intsuffix, Number.Hex),
- (r'(-)?0[bB][01](\'?[01])*' + _intsuffix, Number.Bin),
- (r'(-)?0(\'?[0-7])+' + _intsuffix, Number.Oct),
- (r'(-)?' + _decpart + _intsuffix, Number.Integer),
- (r'[~!%^&*+=|?:<>/-]', Operator),
- (r'[()\[\],.]', Punctuation),
- (r'(true|false|NULL)\b', Name.Builtin),
- (_ident, Name)
- ],
- 'types': [
- (words(('int8', 'int16', 'int32', 'int64', 'wchar_t'), prefix=r'__',
- suffix=r'\b'), Keyword.Reserved),
- (words(('bool', 'int', 'long', 'float', 'short', 'double', 'char',
- 'unsigned', 'signed', 'void', '_BitInt',
- '__int128'), suffix=r'\b'), Keyword.Type)
- ],
- 'keywords': [
- (r'(struct|union)(\s+)', bygroups(Keyword, Whitespace), 'classname'),
- (r'case\b', Keyword, 'case-value'),
- (words(('asm', 'auto', 'break', 'const', 'continue', 'default',
- 'do', 'else', 'enum', 'extern', 'for', 'goto', 'if',
- 'register', 'restricted', 'return', 'sizeof', 'struct',
- 'static', 'switch', 'typedef', 'volatile', 'while', 'union',
- 'thread_local', 'alignas', 'alignof', 'static_assert', '_Pragma'),
- suffix=r'\b'), Keyword),
- (words(('inline', '_inline', '__inline', 'naked', 'restrict',
- 'thread'), suffix=r'\b'), Keyword.Reserved),
- # Vector intrinsics
- (r'(__m(128i|128d|128|64))\b', Keyword.Reserved),
- # Microsoft-isms
- (words((
- 'asm', 'based', 'except', 'stdcall', 'cdecl',
- 'fastcall', 'declspec', 'finally', 'try',
- 'leave', 'w64', 'unaligned', 'raise', 'noop',
- 'identifier', 'forceinline', 'assume'),
- prefix=r'__', suffix=r'\b'), Keyword.Reserved)
- ],
- 'root': [
- include('whitespace'),
- include('keywords'),
- # functions
- (r'(' + _namespaced_ident + r'(?:[&*\s])+)' # return arguments
- r'(' + _possible_comments + r')'
- r'(' + _namespaced_ident + r')' # method name
- r'(' + _possible_comments + r')'
- r'(\([^;"\')]*?\))' # signature
- r'(' + _possible_comments + r')'
- r'([^;{/"\']*)(\{)',
- bygroups(using(this), using(this, state='whitespace'),
- Name.Function, using(this, state='whitespace'),
- using(this), using(this, state='whitespace'),
- using(this), Punctuation),
- 'function'),
- # function declarations
- (r'(' + _namespaced_ident + r'(?:[&*\s])+)' # return arguments
- r'(' + _possible_comments + r')'
- r'(' + _namespaced_ident + r')' # method name
- r'(' + _possible_comments + r')'
- r'(\([^;"\')]*?\))' # signature
- r'(' + _possible_comments + r')'
- r'([^;/"\']*)(;)',
- bygroups(using(this), using(this, state='whitespace'),
- Name.Function, using(this, state='whitespace'),
- using(this), using(this, state='whitespace'),
- using(this), Punctuation)),
- include('types'),
- default('statement'),
- ],
- 'statement': [
- include('whitespace'),
- include('statements'),
- (r'\}', Punctuation),
- (r'[{;]', Punctuation, '#pop'),
- ],
- 'function': [
- include('whitespace'),
- include('statements'),
- (';', Punctuation),
- (r'\{', Punctuation, '#push'),
- (r'\}', Punctuation, '#pop'),
- ],
- 'string': [
- (r'"', String, '#pop'),
- (r'\\([\\abfnrtv"\']|x[a-fA-F0-9]{2,4}|'
- r'u[a-fA-F0-9]{4}|U[a-fA-F0-9]{8}|[0-7]{1,3})', String.Escape),
- (r'[^\\"\n]+', String), # all other characters
- (r'\\\n', String), # line continuation
- (r'\\', String), # stray backslash
- ],
- 'macro': [
- (r'('+_ws1+r')(include)('+_ws1+r')("[^"]+")([^\n]*)',
- bygroups(using(this), Comment.Preproc, using(this),
- Comment.PreprocFile, Comment.Single)),
- (r'('+_ws1+r')(include)('+_ws1+r')(<[^>]+>)([^\n]*)',
- bygroups(using(this), Comment.Preproc, using(this),
- Comment.PreprocFile, Comment.Single)),
- (r'[^/\n]+', Comment.Preproc),
- (r'/[*](.|\n)*?[*]/', Comment.Multiline),
- (r'//.*?\n', Comment.Single, '#pop'),
- (r'/', Comment.Preproc),
- (r'(?<=\\)\n', Comment.Preproc),
- (r'\n', Comment.Preproc, '#pop'),
- ],
- 'if0': [
- (r'^\s*#if.*?(?<!\\)\n', Comment.Preproc, '#push'),
- (r'^\s*#el(?:se|if).*\n', Comment.Preproc, '#pop'),
- (r'^\s*#endif.*?(?<!\\)\n', Comment.Preproc, '#pop'),
- (r'.*?\n', Comment),
- ],
- 'classname': [
- (_ident, Name.Class, '#pop'),
- # template specification
- (r'\s*(?=>)', Text, '#pop'),
- default('#pop')
- ],
- # Mark identifiers preceded by `case` keyword as constants.
- 'case-value': [
- (r'(?<!:)(:)(?!:)', Punctuation, '#pop'),
- (_ident, Name.Constant),
- include('whitespace'),
- include('statements'),
- ]
- }
-
- stdlib_types = {
- 'size_t', 'ssize_t', 'off_t', 'wchar_t', 'ptrdiff_t', 'sig_atomic_t', 'fpos_t',
- 'clock_t', 'time_t', 'va_list', 'jmp_buf', 'FILE', 'DIR', 'div_t', 'ldiv_t',
- 'mbstate_t', 'wctrans_t', 'wint_t', 'wctype_t'}
- c99_types = {
- 'int8_t', 'int16_t', 'int32_t', 'int64_t', 'uint8_t',
- 'uint16_t', 'uint32_t', 'uint64_t', 'int_least8_t', 'int_least16_t',
- 'int_least32_t', 'int_least64_t', 'uint_least8_t', 'uint_least16_t',
- 'uint_least32_t', 'uint_least64_t', 'int_fast8_t', 'int_fast16_t', 'int_fast32_t',
- 'int_fast64_t', 'uint_fast8_t', 'uint_fast16_t', 'uint_fast32_t', 'uint_fast64_t',
- 'intptr_t', 'uintptr_t', 'intmax_t', 'uintmax_t'}
- linux_types = {
- 'clockid_t', 'cpu_set_t', 'cpumask_t', 'dev_t', 'gid_t', 'id_t', 'ino_t', 'key_t',
- 'mode_t', 'nfds_t', 'pid_t', 'rlim_t', 'sig_t', 'sighandler_t', 'siginfo_t',
- 'sigset_t', 'sigval_t', 'socklen_t', 'timer_t', 'uid_t'}
- c11_atomic_types = {
- 'atomic_bool', 'atomic_char', 'atomic_schar', 'atomic_uchar', 'atomic_short',
- 'atomic_ushort', 'atomic_int', 'atomic_uint', 'atomic_long', 'atomic_ulong',
- 'atomic_llong', 'atomic_ullong', 'atomic_char16_t', 'atomic_char32_t', 'atomic_wchar_t',
- 'atomic_int_least8_t', 'atomic_uint_least8_t', 'atomic_int_least16_t',
- 'atomic_uint_least16_t', 'atomic_int_least32_t', 'atomic_uint_least32_t',
- 'atomic_int_least64_t', 'atomic_uint_least64_t', 'atomic_int_fast8_t',
- 'atomic_uint_fast8_t', 'atomic_int_fast16_t', 'atomic_uint_fast16_t',
- 'atomic_int_fast32_t', 'atomic_uint_fast32_t', 'atomic_int_fast64_t',
- 'atomic_uint_fast64_t', 'atomic_intptr_t', 'atomic_uintptr_t', 'atomic_size_t',
- 'atomic_ptrdiff_t', 'atomic_intmax_t', 'atomic_uintmax_t'}
-
- def __init__(self, **options):
- self.stdlibhighlighting = get_bool_opt(options, 'stdlibhighlighting', True)
- self.c99highlighting = get_bool_opt(options, 'c99highlighting', True)
- self.c11highlighting = get_bool_opt(options, 'c11highlighting', True)
- self.platformhighlighting = get_bool_opt(options, 'platformhighlighting', True)
- RegexLexer.__init__(self, **options)
-
- def get_tokens_unprocessed(self, text, stack=('root',)):
- for index, token, value in \
- RegexLexer.get_tokens_unprocessed(self, text, stack):
- if token is Name:
- if self.stdlibhighlighting and value in self.stdlib_types:
- token = Keyword.Type
- elif self.c99highlighting and value in self.c99_types:
- token = Keyword.Type
- elif self.c11highlighting and value in self.c11_atomic_types:
- token = Keyword.Type
- elif self.platformhighlighting and value in self.linux_types:
- token = Keyword.Type
- yield index, token, value
-
-
-class CLexer(CFamilyLexer):
- """
- For C source code with preprocessor directives.
-
- Additional options accepted:
-
- `stdlibhighlighting`
- Highlight common types found in the C/C++ standard library (e.g. `size_t`).
- (default: ``True``).
-
- `c99highlighting`
- Highlight common types found in the C99 standard library (e.g. `int8_t`).
- Actually, this includes all fixed-width integer types.
- (default: ``True``).
-
- `c11highlighting`
- Highlight atomic types found in the C11 standard library (e.g. `atomic_bool`).
- (default: ``True``).
-
- `platformhighlighting`
- Highlight common types found in the platform SDK headers (e.g. `clockid_t` on Linux).
- (default: ``True``).
- """
- name = 'C'
- aliases = ['c']
- filenames = ['*.c', '*.h', '*.idc', '*.x[bp]m']
- mimetypes = ['text/x-chdr', 'text/x-csrc', 'image/x-xbitmap', 'image/x-xpixmap']
- priority = 0.1
-
- tokens = {
- 'keywords': [
- (words((
- '_Alignas', '_Alignof', '_Noreturn', '_Generic', '_Thread_local',
- '_Static_assert', '_Imaginary', 'noreturn', 'imaginary', 'complex'),
- suffix=r'\b'), Keyword),
- inherit
- ],
- 'types': [
- (words(('_Bool', '_Complex', '_Atomic'), suffix=r'\b'), Keyword.Type),
- inherit
- ]
- }
-
- def analyse_text(text):
- if re.search(r'^\s*#include [<"]', text, re.MULTILINE):
- return 0.1
- if re.search(r'^\s*#ifn?def ', text, re.MULTILINE):
- return 0.1
-
-
-class CppLexer(CFamilyLexer):
- """
- For C++ source code with preprocessor directives.
-
- Additional options accepted:
-
- `stdlibhighlighting`
- Highlight common types found in the C/C++ standard library (e.g. `size_t`).
- (default: ``True``).
-
- `c99highlighting`
- Highlight common types found in the C99 standard library (e.g. `int8_t`).
- Actually, this includes all fixed-width integer types.
- (default: ``True``).
-
- `c11highlighting`
- Highlight atomic types found in the C11 standard library (e.g. `atomic_bool`).
- (default: ``True``).
-
- `platformhighlighting`
- Highlight common types found in the platform SDK headers (e.g. `clockid_t` on Linux).
- (default: ``True``).
- """
- name = 'C++'
- url = 'https://isocpp.org/'
- aliases = ['cpp', 'c++']
- filenames = ['*.cpp', '*.hpp', '*.c++', '*.h++',
- '*.cc', '*.hh', '*.cxx', '*.hxx',
- '*.C', '*.H', '*.cp', '*.CPP', '*.tpp']
- mimetypes = ['text/x-c++hdr', 'text/x-c++src']
- priority = 0.1
-
- tokens = {
- 'statements': [
- # C++11 raw strings
- (r'((?:[LuU]|u8)?R)(")([^\\()\s]{,16})(\()((?:.|\n)*?)(\)\3)(")',
- bygroups(String.Affix, String, String.Delimiter, String.Delimiter,
- String, String.Delimiter, String)),
- inherit,
- ],
- 'root': [
- inherit,
- # C++ Microsoft-isms
- (words(('virtual_inheritance', 'uuidof', 'super', 'single_inheritance',
- 'multiple_inheritance', 'interface', 'event'),
- prefix=r'__', suffix=r'\b'), Keyword.Reserved),
- # Offload C++ extensions, http://offload.codeplay.com/
- (r'__(offload|blockingoffload|outer)\b', Keyword.Pseudo),
- ],
- 'enumname': [
- include('whitespace'),
- # 'enum class' and 'enum struct' C++11 support
- (words(('class', 'struct'), suffix=r'\b'), Keyword),
- (CFamilyLexer._ident, Name.Class, '#pop'),
- # template specification
- (r'\s*(?=>)', Text, '#pop'),
- default('#pop')
- ],
- 'keywords': [
- (r'(class|concept|typename)(\s+)', bygroups(Keyword, Whitespace), 'classname'),
- (words((
- 'catch', 'const_cast', 'delete', 'dynamic_cast', 'explicit',
- 'export', 'friend', 'mutable', 'new', 'operator',
- 'private', 'protected', 'public', 'reinterpret_cast', 'class',
- '__restrict', 'static_cast', 'template', 'this', 'throw', 'throws',
- 'try', 'typeid', 'using', 'virtual', 'constexpr', 'nullptr', 'concept',
- 'decltype', 'noexcept', 'override', 'final', 'constinit', 'consteval',
- 'co_await', 'co_return', 'co_yield', 'requires', 'import', 'module',
- 'typename', 'and', 'and_eq', 'bitand', 'bitor', 'compl', 'not',
- 'not_eq', 'or', 'or_eq', 'xor', 'xor_eq'),
- suffix=r'\b'), Keyword),
- (r'namespace\b', Keyword, 'namespace'),
- (r'(enum)(\s+)', bygroups(Keyword, Whitespace), 'enumname'),
- inherit
- ],
- 'types': [
- (r'char(16_t|32_t|8_t)\b', Keyword.Type),
- inherit
- ],
- 'namespace': [
- (r'[;{]', Punctuation, ('#pop', 'root')),
- (r'inline\b', Keyword.Reserved),
- (CFamilyLexer._ident, Name.Namespace),
- include('statement')
- ]
- }
-
- def analyse_text(text):
- if re.search('#include <[a-z_]+>', text):
- return 0.2
- if re.search('using namespace ', text):
- return 0.4