Method next

packages/core/src/formula_parser/parser/parser.ts:71–89

(type: TokenType)

  }

  private next(type: TokenType): Token | null {
    if (this.currentToken == null) {
      return null;
    }
    if (this.currentToken.type === type) {
      this.currentToken = this.lexer.getNextToken();
    } else {
      switch (type) {
        case TokenType.LeftParen:
          throw new SyntaxError(t(Strings.function_err_no_left_bracket));
        case TokenType.RightParen:
          throw new SyntaxError(t(Strings.function_err_end_of_right_bracket));
      }
      throw new SyntaxError(t(Strings.function_err_unable_parse_char, {
        value: this.currentToken.value,
      }));
    }
    return this.currentToken;
  }

  private factor(): AstNode {
    // factor : VALUE | LEFT_PAREN expr RIGHT_PAREN | NOT expr