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Diffstat (limited to 'htroot/js/languages/cpp.js')
| -rw-r--r-- | htroot/js/languages/cpp.js | 615 |
1 files changed, 615 insertions, 0 deletions
diff --git a/htroot/js/languages/cpp.js b/htroot/js/languages/cpp.js new file mode 100644 index 000000000..653ad0303 --- /dev/null +++ b/htroot/js/languages/cpp.js @@ -0,0 +1,615 @@ +/*! `cpp` grammar compiled for Highlight.js 11.11.1 */ + (function(){ + var hljsGrammar = (function () { + 'use strict'; + + /* + Language: C++ + Category: common, system + Website: https://isocpp.org + */ + + /** @type LanguageFn */ + function cpp(hljs) { + const regex = hljs.regex; + // added for historic reasons because `hljs.C_LINE_COMMENT_MODE` does + // not include such support nor can we be sure all the grammars depending + // on it would desire this behavior + const C_LINE_COMMENT_MODE = hljs.COMMENT('//', '$', { contains: [ { begin: /\\\n/ } ] }); + const DECLTYPE_AUTO_RE = 'decltype\\(auto\\)'; + const NAMESPACE_RE = '[a-zA-Z_]\\w*::'; + const TEMPLATE_ARGUMENT_RE = '<[^<>]+>'; + const FUNCTION_TYPE_RE = '(?!struct)(' + + DECLTYPE_AUTO_RE + '|' + + regex.optional(NAMESPACE_RE) + + '[a-zA-Z_]\\w*' + regex.optional(TEMPLATE_ARGUMENT_RE) + + ')'; + + const CPP_PRIMITIVE_TYPES = { + className: 'type', + begin: '\\b[a-z\\d_]*_t\\b' + }; + + // https://en.cppreference.com/w/cpp/language/escape + // \\ \x \xFF \u2837 \u00323747 \374 + const CHARACTER_ESCAPES = '\\\\(x[0-9A-Fa-f]{2}|u[0-9A-Fa-f]{4,8}|[0-7]{3}|\\S)'; + const STRINGS = { + className: 'string', + variants: [ + { + begin: '(u8?|U|L)?"', + end: '"', + illegal: '\\n', + contains: [ hljs.BACKSLASH_ESCAPE ] + }, + { + begin: '(u8?|U|L)?\'(' + CHARACTER_ESCAPES + '|.)', + end: '\'', + illegal: '.' + }, + hljs.END_SAME_AS_BEGIN({ + begin: /(?:u8?|U|L)?R"([^()\\ ]{0,16})\(/, + end: /\)([^()\\ ]{0,16})"/ + }) + ] + }; + + const NUMBERS = { + className: 'number', + variants: [ + // Floating-point literal. + { begin: + "[+-]?(?:" // Leading sign. + // Decimal. + + "(?:" + +"[0-9](?:'?[0-9])*\\.(?:[0-9](?:'?[0-9])*)?" + + "|\\.[0-9](?:'?[0-9])*" + + ")(?:[Ee][+-]?[0-9](?:'?[0-9])*)?" + + "|[0-9](?:'?[0-9])*[Ee][+-]?[0-9](?:'?[0-9])*" + // Hexadecimal. + + "|0[Xx](?:" + +"[0-9A-Fa-f](?:'?[0-9A-Fa-f])*(?:\\.(?:[0-9A-Fa-f](?:'?[0-9A-Fa-f])*)?)?" + + "|\\.[0-9A-Fa-f](?:'?[0-9A-Fa-f])*" + + ")[Pp][+-]?[0-9](?:'?[0-9])*" + + ")(?:" // Literal suffixes. + + "[Ff](?:16|32|64|128)?" + + "|(BF|bf)16" + + "|[Ll]" + + "|" // Literal suffix is optional. + + ")" + }, + // Integer literal. + { begin: + "[+-]?\\b(?:" // Leading sign. + + "0[Bb][01](?:'?[01])*" // Binary. + + "|0[Xx][0-9A-Fa-f](?:'?[0-9A-Fa-f])*" // Hexadecimal. + + "|0(?:'?[0-7])*" // Octal or just a lone zero. + + "|[1-9](?:'?[0-9])*" // Decimal. + + ")(?:" // Literal suffixes. + + "[Uu](?:LL?|ll?)" + + "|[Uu][Zz]?" + + "|(?:LL?|ll?)[Uu]?" + + "|[Zz][Uu]" + + "|" // Literal suffix is optional. + + ")" + // Note: there are user-defined literal suffixes too, but perhaps having the custom suffix not part of the + // literal highlight actually makes it stand out more. + } + ], + relevance: 0 + }; + + const PREPROCESSOR = { + className: 'meta', + begin: /#\s*[a-z]+\b/, + end: /$/, + keywords: { keyword: + 'if else elif endif define undef warning error line ' + + 'pragma _Pragma ifdef ifndef include' }, + contains: [ + { + begin: /\\\n/, + relevance: 0 + }, + hljs.inherit(STRINGS, { className: 'string' }), + { + className: 'string', + begin: /<.*?>/ + }, + C_LINE_COMMENT_MODE, + hljs.C_BLOCK_COMMENT_MODE + ] + }; + + const TITLE_MODE = { + className: 'title', + begin: regex.optional(NAMESPACE_RE) + hljs.IDENT_RE, + relevance: 0 + }; + + const FUNCTION_TITLE = regex.optional(NAMESPACE_RE) + hljs.IDENT_RE + '\\s*\\('; + + // https://en.cppreference.com/w/cpp/keyword + const RESERVED_KEYWORDS = [ + 'alignas', + 'alignof', + 'and', + 'and_eq', + 'asm', + 'atomic_cancel', + 'atomic_commit', + 'atomic_noexcept', + 'auto', + 'bitand', + 'bitor', + 'break', + 'case', + 'catch', + 'class', + 'co_await', + 'co_return', + 'co_yield', + 'compl', + 'concept', + 'const_cast|10', + 'consteval', + 'constexpr', + 'constinit', + 'continue', + 'decltype', + 'default', + 'delete', + 'do', + 'dynamic_cast|10', + 'else', + 'enum', + 'explicit', + 'export', + 'extern', + 'false', + 'final', + 'for', + 'friend', + 'goto', + 'if', + 'import', + 'inline', + 'module', + 'mutable', + 'namespace', + 'new', + 'noexcept', + 'not', + 'not_eq', + 'nullptr', + 'operator', + 'or', + 'or_eq', + 'override', + 'private', + 'protected', + 'public', + 'reflexpr', + 'register', + 'reinterpret_cast|10', + 'requires', + 'return', + 'sizeof', + 'static_assert', + 'static_cast|10', + 'struct', + 'switch', + 'synchronized', + 'template', + 'this', + 'thread_local', + 'throw', + 'transaction_safe', + 'transaction_safe_dynamic', + 'true', + 'try', + 'typedef', + 'typeid', + 'typename', + 'union', + 'using', + 'virtual', + 'volatile', + 'while', + 'xor', + 'xor_eq' + ]; + + // https://en.cppreference.com/w/cpp/keyword + const RESERVED_TYPES = [ + 'bool', + 'char', + 'char16_t', + 'char32_t', + 'char8_t', + 'double', + 'float', + 'int', + 'long', + 'short', + 'void', + 'wchar_t', + 'unsigned', + 'signed', + 'const', + 'static' + ]; + + const TYPE_HINTS = [ + 'any', + 'auto_ptr', + 'barrier', + 'binary_semaphore', + 'bitset', + 'complex', + 'condition_variable', + 'condition_variable_any', + 'counting_semaphore', + 'deque', + 'false_type', + 'flat_map', + 'flat_set', + 'future', + 'imaginary', + 'initializer_list', + 'istringstream', + 'jthread', + 'latch', + 'lock_guard', + 'multimap', + 'multiset', + 'mutex', + 'optional', + 'ostringstream', + 'packaged_task', + 'pair', + 'promise', + 'priority_queue', + 'queue', + 'recursive_mutex', + 'recursive_timed_mutex', + 'scoped_lock', + 'set', + 'shared_future', + 'shared_lock', + 'shared_mutex', + 'shared_timed_mutex', + 'shared_ptr', + 'stack', + 'string_view', + 'stringstream', + 'timed_mutex', + 'thread', + 'true_type', + 'tuple', + 'unique_lock', + 'unique_ptr', + 'unordered_map', + 'unordered_multimap', + 'unordered_multiset', + 'unordered_set', + 'variant', + 'vector', + 'weak_ptr', + 'wstring', + 'wstring_view' + ]; + + const FUNCTION_HINTS = [ + 'abort', + 'abs', + 'acos', + 'apply', + 'as_const', + 'asin', + 'atan', + 'atan2', + 'calloc', + 'ceil', + 'cerr', + 'cin', + 'clog', + 'cos', + 'cosh', + 'cout', + 'declval', + 'endl', + 'exchange', + 'exit', + 'exp', + 'fabs', + 'floor', + 'fmod', + 'forward', + 'fprintf', + 'fputs', + 'free', + 'frexp', + 'fscanf', + 'future', + 'invoke', + 'isalnum', + 'isalpha', + 'iscntrl', + 'isdigit', + 'isgraph', + 'islower', + 'isprint', + 'ispunct', + 'isspace', + 'isupper', + 'isxdigit', + 'labs', + 'launder', + 'ldexp', + 'log', + 'log10', + 'make_pair', + 'make_shared', + 'make_shared_for_overwrite', + 'make_tuple', + 'make_unique', + 'malloc', + 'memchr', + 'memcmp', + 'memcpy', + 'memset', + 'modf', + 'move', + 'pow', + 'printf', + 'putchar', + 'puts', + 'realloc', + 'scanf', + 'sin', + 'sinh', + 'snprintf', + 'sprintf', + 'sqrt', + 'sscanf', + 'std', + 'stderr', + 'stdin', + 'stdout', + 'strcat', + 'strchr', + 'strcmp', + 'strcpy', + 'strcspn', + 'strlen', + 'strncat', + 'strncmp', + 'strncpy', + 'strpbrk', + 'strrchr', + 'strspn', + 'strstr', + 'swap', + 'tan', + 'tanh', + 'terminate', + 'to_underlying', + 'tolower', + 'toupper', + 'vfprintf', + 'visit', + 'vprintf', + 'vsprintf' + ]; + + const LITERALS = [ + 'NULL', + 'false', + 'nullopt', + 'nullptr', + 'true' + ]; + + // https://en.cppreference.com/w/cpp/keyword + const BUILT_IN = [ '_Pragma' ]; + + const CPP_KEYWORDS = { + type: RESERVED_TYPES, + keyword: RESERVED_KEYWORDS, + literal: LITERALS, + built_in: BUILT_IN, + _type_hints: TYPE_HINTS + }; + + const FUNCTION_DISPATCH = { + className: 'function.dispatch', + relevance: 0, + keywords: { + // Only for relevance, not highlighting. + _hint: FUNCTION_HINTS }, + begin: regex.concat( + /\b/, + /(?!decltype)/, + /(?!if)/, + /(?!for)/, + /(?!switch)/, + /(?!while)/, + hljs.IDENT_RE, + regex.lookahead(/(<[^<>]+>|)\s*\(/)) + }; + + const EXPRESSION_CONTAINS = [ + FUNCTION_DISPATCH, + PREPROCESSOR, + CPP_PRIMITIVE_TYPES, + C_LINE_COMMENT_MODE, + hljs.C_BLOCK_COMMENT_MODE, + NUMBERS, + STRINGS + ]; + + const EXPRESSION_CONTEXT = { + // This mode covers expression context where we can't expect a function + // definition and shouldn't highlight anything that looks like one: + // `return some()`, `else if()`, `(x*sum(1, 2))` + variants: [ + { + begin: /=/, + end: /;/ + }, + { + begin: /\(/, + end: /\)/ + }, + { + beginKeywords: 'new throw return else', + end: /;/ + } + ], + keywords: CPP_KEYWORDS, + contains: EXPRESSION_CONTAINS.concat([ + { + begin: /\(/, + end: /\)/, + keywords: CPP_KEYWORDS, + contains: EXPRESSION_CONTAINS.concat([ 'self' ]), + relevance: 0 + } + ]), + relevance: 0 + }; + + const FUNCTION_DECLARATION = { + className: 'function', + begin: '(' + FUNCTION_TYPE_RE + '[\\*&\\s]+)+' + FUNCTION_TITLE, + returnBegin: true, + end: /[{;=]/, + excludeEnd: true, + keywords: CPP_KEYWORDS, + illegal: /[^\w\s\*&:<>.]/, + contains: [ + { // to prevent it from being confused as the function title + begin: DECLTYPE_AUTO_RE, + keywords: CPP_KEYWORDS, + relevance: 0 + }, + { + begin: FUNCTION_TITLE, + returnBegin: true, + contains: [ TITLE_MODE ], + relevance: 0 + }, + // needed because we do not have look-behind on the below rule + // to prevent it from grabbing the final : in a :: pair + { + begin: /::/, + relevance: 0 + }, + // initializers + { + begin: /:/, + endsWithParent: true, + contains: [ + STRINGS, + NUMBERS + ] + }, + // allow for multiple declarations, e.g.: + // extern void f(int), g(char); + { + relevance: 0, + match: /,/ + }, + { + className: 'params', + begin: /\(/, + end: /\)/, + keywords: CPP_KEYWORDS, + relevance: 0, + contains: [ + C_LINE_COMMENT_MODE, + hljs.C_BLOCK_COMMENT_MODE, + STRINGS, + NUMBERS, + CPP_PRIMITIVE_TYPES, + // Count matching parentheses. + { + begin: /\(/, + end: /\)/, + keywords: CPP_KEYWORDS, + relevance: 0, + contains: [ + 'self', + C_LINE_COMMENT_MODE, + hljs.C_BLOCK_COMMENT_MODE, + STRINGS, + NUMBERS, + CPP_PRIMITIVE_TYPES + ] + } + ] + }, + CPP_PRIMITIVE_TYPES, + C_LINE_COMMENT_MODE, + hljs.C_BLOCK_COMMENT_MODE, + PREPROCESSOR + ] + }; + + return { + name: 'C++', + aliases: [ + 'cc', + 'c++', + 'h++', + 'hpp', + 'hh', + 'hxx', + 'cxx' + ], + keywords: CPP_KEYWORDS, + illegal: '</', + classNameAliases: { 'function.dispatch': 'built_in' }, + contains: [].concat( + EXPRESSION_CONTEXT, + FUNCTION_DECLARATION, + FUNCTION_DISPATCH, + EXPRESSION_CONTAINS, + [ + PREPROCESSOR, + { // containers: ie, `vector <int> rooms (9);` + begin: '\\b(deque|list|queue|priority_queue|pair|stack|vector|map|set|bitset|multiset|multimap|unordered_map|unordered_set|unordered_multiset|unordered_multimap|array|tuple|optional|variant|function|flat_map|flat_set)\\s*<(?!<)', + end: '>', + keywords: CPP_KEYWORDS, + contains: [ + 'self', + CPP_PRIMITIVE_TYPES + ] + }, + { + begin: hljs.IDENT_RE + '::', + keywords: CPP_KEYWORDS + }, + { + match: [ + // extra complexity to deal with `enum class` and `enum struct` + /\b(?:enum(?:\s+(?:class|struct))?|class|struct|union)/, + /\s+/, + /\w+/ + ], + className: { + 1: 'keyword', + 3: 'title.class' + } + } + ]) + }; + } + + return cpp; + +})(); + + hljs.registerLanguage('cpp', hljsGrammar); + })();
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