Method expectKeyword

src/parser/indirect-object-parser.ts:237–250

* Expect and consume a keyword at current scanner position.

(keyword: string)

   * Expect and consume a keyword at current scanner position.
   */
  private expectKeyword(keyword: string): void {
    // Skip any whitespace first
    this.skipWhitespace();

    for (let i = 0; i < keyword.length; i++) {
      const byte = this.scanner.peek();

      if (byte !== keyword.charCodeAt(i)) {
        throw new ObjectParseError(`Expected keyword "${keyword}"`);
      }

      this.scanner.advance();
    }
  }

  /**
   * Skip whitespace characters.