web-idl.js

// @ts-nocheck
webIdl.displayName = 'web-idl'
webIdl.aliases = ['webidl']

/** @type {import('../core.js').Syntax} */
export default function webIdl(Prism) {
  ;(function (Prism) {
    var id = /(?:\B-|\b_|\b)[A-Za-z][\w-]*(?![\w-])/.source
    var type =
      '(?:' +
      /\b(?:unsigned\s+)?long\s+long(?![\w-])/.source +
      '|' +
      /\b(?:unrestricted|unsigned)\s+[a-z]+(?![\w-])/.source +
      '|' +
      /(?!(?:unrestricted|unsigned)\b)/.source +
      id +
      /(?:\s*<(?:[^<>]|<[^<>]*>)*>)?/.source +
      ')' +
      /(?:\s*\?)?/.source
    var typeInside = {}
    Prism.languages['web-idl'] = {
      comment: {
        pattern: /\/\/.*|\/\*[\s\S]*?\*\//,
        greedy: true
      },
      string: {
        pattern: /"[^"]*"/,
        greedy: true
      },
      namespace: {
        pattern: RegExp(/(\bnamespace\s+)/.source + id),
        lookbehind: true
      },
      'class-name': [
        {
          pattern:
            /(^|[^\w-])(?:iterable|maplike|setlike)\s*<(?:[^<>]|<[^<>]*>)*>/,
          lookbehind: true,
          inside: typeInside
        },
        {
          pattern: RegExp(
            /(\b(?:attribute|const|deleter|getter|optional|setter)\s+)/.source +
              type
          ),
          lookbehind: true,
          inside: typeInside
        },
        {
          // callback return type
          pattern: RegExp(
            '(' + /\bcallback\s+/.source + id + /\s*=\s*/.source + ')' + type
          ),
          lookbehind: true,
          inside: typeInside
        },
        {
          // typedef
          pattern: RegExp(/(\btypedef\b\s*)/.source + type),
          lookbehind: true,
          inside: typeInside
        },
        {
          pattern: RegExp(
            /(\b(?:callback|dictionary|enum|interface(?:\s+mixin)?)\s+)(?!(?:interface|mixin)\b)/
              .source + id
          ),
          lookbehind: true
        },
        {
          // inheritance
          pattern: RegExp(/(:\s*)/.source + id),
          lookbehind: true
        },
        // includes and implements
        RegExp(id + /(?=\s+(?:implements|includes)\b)/.source),
        {
          pattern: RegExp(/(\b(?:implements|includes)\s+)/.source + id),
          lookbehind: true
        },
        {
          // function return type, parameter types, and dictionary members
          pattern: RegExp(
            type +
              '(?=' +
              /\s*(?:\.{3}\s*)?/.source +
              id +
              /\s*[(),;=]/.source +
              ')'
          ),
          inside: typeInside
        }
      ],
      builtin:
        /\b(?:ArrayBuffer|BigInt64Array|BigUint64Array|ByteString|DOMString|DataView|Float32Array|Float64Array|FrozenArray|Int16Array|Int32Array|Int8Array|ObservableArray|Promise|USVString|Uint16Array|Uint32Array|Uint8Array|Uint8ClampedArray)\b/,
      keyword: [
        /\b(?:async|attribute|callback|const|constructor|deleter|dictionary|enum|getter|implements|includes|inherit|interface|mixin|namespace|null|optional|or|partial|readonly|required|setter|static|stringifier|typedef|unrestricted)\b/,
        // type keywords
        /\b(?:any|bigint|boolean|byte|double|float|iterable|long|maplike|object|octet|record|sequence|setlike|short|symbol|undefined|unsigned|void)\b/
      ],
      boolean: /\b(?:false|true)\b/,
      number: {
        pattern:
          /(^|[^\w-])-?(?:0x[0-9a-f]+|(?:\d+(?:\.\d*)?|\.\d+)(?:e[+-]?\d+)?|NaN|Infinity)(?![\w-])/i,
        lookbehind: true
      },
      operator: /\.{3}|[=:?<>-]/,
      punctuation: /[(){}[\].,;]/
    }
    for (var key in Prism.languages['web-idl']) {
      if (key !== 'class-name') {
        typeInside[key] = Prism.languages['web-idl'][key]
      }
    }
    Prism.languages['webidl'] = Prism.languages['web-idl']
  })(Prism)
}