text: import type Parser from "../parser";
  import { types as tt } from "../tokenizer/types";
  import * as N from "../types";
  
  export default (superClass: Class<Parser>): Class<Parser> =>
    class extends superClass {
      parseV8Intrinsic(): N.Expression {
        if (this.match(tt.modulo)) {
          const v8IntrinsicStart = this.state.start;
          // let the `loc` of Identifier starts from `%`
          const node = this.startNode();
          this.eat(tt.modulo);
          if (this.match(tt.name)) {
            const name = this.parseIdentifierName(this.state.start);
            const identifier = this.createIdentifier(node, name);
            identifier.type = "V8IntrinsicIdentifier";
            if (this.match(tt.parenL)) {
              return identifier;
            }
          }
          this.unexpected(v8IntrinsicStart);
        }
      }
  
      /* ============================================================ *
       * parser/expression.js                                         *
       * ============================================================ */
  
      parseExprAtom(): N.Expression {
        return this.parseV8Intrinsic() || super.parseExprAtom(...arguments);
      }
    };
  