code: private boolean isFunctionCall() {
  
          return mToken.getType() == TokenType.TEXT
              && (!isReservedKeyword())
              && (mScanner.lookUpTokens(1).getType() == TokenType.OPEN_BR || (mScanner.lookUpTokens(1)
                  .getType() == TokenType.COLON && mScanner.lookUpTokens(3).getType() == TokenType.OPEN_BR));
      }
docs: The current token is part of a function call, if it is followed by a open
  braces (current token is name of the function), or is followed by a colon
  that is followed by a name an a open braces (current token is prefix of
  the function name.).
  
  @return true, if the current token is part of a function call