prism-code-editor
Version:
Lightweight, extensible code editor component for the web using Prism
90 lines (89 loc) • 3.84 kB
JavaScript
import { l as languages } from "../../index-C1_GGQ8y.js";
import { e as extend, i as insertBefore } from "../../language-gdIi4UL0.js";
import { b as boolean } from "../../patterns-Cp3h1ylA.js";
import { r as re } from "../../shared-Sq5P6lf6.js";
import "./c.js";
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/;
var cpp = languages.cpp = extend("c", {
"class-name": [
{
pattern: RegExp(`(\\b(?:class|concept|enum|struct|typename)\\s+)(?!${keyword.source})\\w+`),
lookbehind: true
},
// This is intended to capture the class name of method implementations like:
// void foo::bar() const {}
// However! The `foo` in the above example could also be a namespace, so we only capture the class name if
// it starts with an uppercase letter. This approximation should give decent results.
/\b[A-Z]\w*(?=\s*::\s*\w+\s*\()/,
// This will capture the class name before destructors like:
// Foo::~Foo() {}
/\b[a-z_]\w*(?=\s*::\s*~\w+\s*\()/i,
// This also intends to capture the class name of method implementations but here the class has template
// parameters, so it can't be a namespace (until C++ adds generic namespaces).
/\b\w+(?=\s*<(?:[^<>]|<(?:[^<>]|<[^<>]*>)*>)*>\s*::\s*\w+\s*\()/
],
"keyword": keyword,
"number": {
pattern: /(?:\b0b[01']+|\b0x(?:[a-f\d']+(?:\.[a-f\d']*)?|\.[a-f\d']+)(?:p[+-]?[\d']+)?|(?:\b[\d']+(?:\.[\d']*)?|\B\.[\d']+)(?:e[+-]?[\d']+)?)[ful]{0,4}/gi,
greedy: true
},
"operator": /->|--|\+\+|&&|\|\||[?:~]|<=>|>>=?|<<=?|[%&|^!=<>/*+-]=?|\b(?:and|and_eq|bitand|bitor|not|not_eq|x?or|x?or_eq)\b/,
"boolean": boolean
});
insertBefore(cpp, "string", {
"module": {
// https://en.cppreference.com/w/cpp/language/modules
pattern: re(
'(\\b(?:import|module)\\s+)(?:"(?:\\\\[\\s\\S]|[^\\\\\n"])*"|<[^<>\n]*>|<0>(?:\\s*:\\s*<0>)?|:\\s*<0>)',
[`\\b(?!${keyword.source})\\w+(?:\\s*\\.\\s*\\w+)*\\b`],
"g"
),
lookbehind: true,
greedy: true,
inside: {
"string": /^[<"][^]+/,
"operator": /:/,
"punctuation": /\./
}
},
"raw-string": {
pattern: /R"([^()\\ ]{0,16})\([^]*?\)\1"/g,
greedy: true,
alias: "string"
}
});
insertBefore(cpp, "keyword", {
"generic-function": {
pattern: /\b(?!operator\b)[a-z_]\w*\s*<(?:[^<>]|<[^<>]*>)*>(?=\s*\()/i,
inside: {
"function": /^\w+/,
"generic": {
pattern: /<[^]+/,
alias: "class-name",
inside: cpp
}
}
}
});
insertBefore(cpp, "operator", {
"double-colon": {
pattern: /::/,
alias: "punctuation"
}
});
var baseClauseInside = Object.assign({}, cpp);
insertBefore(cpp, "class-name", {
// the base clause is an optional list of parent classes
// https://en.cppreference.com/w/cpp/language/class
"base-clause": {
pattern: /(\b(?:class|struct)\s+\w+\s*:\s*)[^;{}"'\s]+(?:\s+[^;{}"'\s]+)*(?=\s*[;{])/g,
lookbehind: true,
greedy: true,
inside: baseClauseInside
}
});
insertBefore(baseClauseInside, "double-colon", {
// All untokenized words that are not namespaces should be class names
"class-name": /\b[a-z_]\w*\b(?!\s*::)/i
});
//# sourceMappingURL=cpp.js.map