100 lines
3.9 KiB
JavaScript
100 lines
3.9 KiB
JavaScript
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(function (Prism) {
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var keyword = /\b(?:alignas|alignof|asm|auto|bool|break|case|catch|char|char16_t|char32_t|char8_t|class|co_await|co_return|co_yield|compl|concept|const|const_cast|consteval|constexpr|constinit|continue|decltype|default|delete|do|double|dynamic_cast|else|enum|explicit|export|extern|final|float|for|friend|goto|if|import|inline|int|int16_t|int32_t|int64_t|int8_t|long|module|mutable|namespace|new|noexcept|nullptr|operator|override|private|protected|public|register|reinterpret_cast|requires|return|short|signed|sizeof|static|static_assert|static_cast|struct|switch|template|this|thread_local|throw|try|typedef|typeid|typename|uint16_t|uint32_t|uint64_t|uint8_t|union|unsigned|using|virtual|void|volatile|wchar_t|while)\b/;
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var modName = /\b(?!<keyword>)\w+(?:\s*\.\s*\w+)*\b/.source.replace(/<keyword>/g, function () { return keyword.source; });
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Prism.languages.cpp = Prism.languages.extend('c', {
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'class-name': [
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{
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pattern: RegExp(/(\b(?:class|concept|enum|struct|typename)\s+)(?!<keyword>)\w+/.source
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.replace(/<keyword>/g, function () { return keyword.source; })),
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lookbehind: true
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},
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// This is intended to capture the class name of method implementations like:
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// void foo::bar() const {}
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// However! The `foo` in the above example could also be a namespace, so we only capture the class name if
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// it starts with an uppercase letter. This approximation should give decent results.
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/\b[A-Z]\w*(?=\s*::\s*\w+\s*\()/,
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// This will capture the class name before destructors like:
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// Foo::~Foo() {}
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/\b[A-Z_]\w*(?=\s*::\s*~\w+\s*\()/i,
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// This also intends to capture the class name of method implementations but here the class has template
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// parameters, so it can't be a namespace (until C++ adds generic namespaces).
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/\b\w+(?=\s*<(?:[^<>]|<(?:[^<>]|<[^<>]*>)*>)*>\s*::\s*\w+\s*\()/
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],
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'keyword': keyword,
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'number': {
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pattern: /(?:\b0b[01']+|\b0x(?:[\da-f']+(?:\.[\da-f']*)?|\.[\da-f']+)(?:p[+-]?[\d']+)?|(?:\b[\d']+(?:\.[\d']*)?|\B\.[\d']+)(?:e[+-]?[\d']+)?)[ful]{0,4}/i,
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greedy: true
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},
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'operator': />>=?|<<=?|->|--|\+\+|&&|\|\||[?:~]|<=>|[-+*/%&|^!=<>]=?|\b(?:and|and_eq|bitand|bitor|not|not_eq|or|or_eq|xor|xor_eq)\b/,
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'boolean': /\b(?:false|true)\b/
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});
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Prism.languages.insertBefore('cpp', 'string', {
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'module': {
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// https://en.cppreference.com/w/cpp/language/modules
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pattern: RegExp(
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/(\b(?:import|module)\s+)/.source +
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'(?:' +
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// header-name
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/"(?:\\(?:\r\n|[\s\S])|[^"\\\r\n])*"|<[^<>\r\n]*>/.source +
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'|' +
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// module name or partition or both
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/<mod-name>(?:\s*:\s*<mod-name>)?|:\s*<mod-name>/.source.replace(/<mod-name>/g, function () { return modName; }) +
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')'
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),
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lookbehind: true,
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greedy: true,
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inside: {
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'string': /^[<"][\s\S]+/,
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'operator': /:/,
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'punctuation': /\./
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}
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},
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'raw-string': {
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pattern: /R"([^()\\ ]{0,16})\([\s\S]*?\)\1"/,
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alias: 'string',
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greedy: true
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}
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});
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Prism.languages.insertBefore('cpp', 'keyword', {
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'generic-function': {
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pattern: /\b(?!operator\b)[a-z_]\w*\s*<(?:[^<>]|<[^<>]*>)*>(?=\s*\()/i,
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inside: {
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'function': /^\w+/,
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'generic': {
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pattern: /<[\s\S]+/,
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alias: 'class-name',
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inside: Prism.languages.cpp
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}
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}
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}
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});
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Prism.languages.insertBefore('cpp', 'operator', {
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'double-colon': {
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pattern: /::/,
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alias: 'punctuation'
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}
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});
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Prism.languages.insertBefore('cpp', 'class-name', {
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// the base clause is an optional list of parent classes
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// https://en.cppreference.com/w/cpp/language/class
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'base-clause': {
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pattern: /(\b(?:class|struct)\s+\w+\s*:\s*)[^;{}"'\s]+(?:\s+[^;{}"'\s]+)*(?=\s*[;{])/,
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lookbehind: true,
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greedy: true,
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inside: Prism.languages.extend('cpp', {})
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}
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});
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Prism.languages.insertBefore('inside', 'double-colon', {
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// All untokenized words that are not namespaces should be class names
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'class-name': /\b[a-z_]\w*\b(?!\s*::)/i
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}, Prism.languages.cpp['base-clause']);
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}(Prism));
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