Profile Scripting Language (PSL) is a high-level code generating language with an embedded abstract database schema. Standard object-oriented features (i.e., class, method, and property definitions as well as data encapsulation, inheritance, and polymorphism) are incorporated into the PSL development environment. PSL enables developers to create modular code related to objects with certain properties and operations that the objects can perform. Object-oriented design focuses on the design of the data (i.e., the objects) and on the interfaces to it. This design, therefore, enables developers to concentrate on the resulting product or application rather than on the tools used to complete the task.
In addition to the inherent benefits provided by an object-oriented design, the PSL programming environment provides the following benefits:
Multiple instantiation (e.g., multiple deposit accounts can be open at the same time as long as you uniquely identify the objects defining the accounts)
Backwards compatibility with existing M source code, while following the syntax of the M language
A run-time library that provides platform independence
Automated allocation and deallocation of memory
Identification of most compilation errors prior to run time
Easy adaptation to evolving environments (i.e., developers can easily add new methods and instance variables without any effect on the client application)
Who Should Use These Guidelines?
The PSL programming guidelines presented in this document apply to ALL Fidelity PSL developers. It is assumed that developers have a working knowledge of the M programming language syntax.
Copyright © 2004 - 2006, Profile Scripting Language Guidelines, v5.0, by Fidelity Information Services, Inc. and Sanchez Computer Associates, LLC. All Rights Reserved.
This Help system has been provided pursuant to a license agreement containing restrictions on its use. This document is an unpublished work containing confidential and trade secret information of Fidelity Information Services, Inc. and Sanchez Computer Associates, LLC (collectively “Fidelity”) and is protected by Federal copyright law. It may not be copied or distributed in any form or medium, disclosed to third parties, or used in any manner not authorized in said license agreement except with prior written authorization from Fidelity.