code: function quickParseBlock() {
    const node = this.startNode();
    const prevPos = this.context.length - 1;
  
    node.body = [];
  
    do {
      this.next();
    } while (this.context.length > prevPos);
  
    this.next();
    return this.finishNode(node, "BlockStatement");
  }
docs: Inspired by esmod's acorn parseBlock modification. Copyright Ingvar Stepanyan. Released under MIT license: https://github.com/RReverser/esmod/blob/master/index.js