Copyright (C) 1998 New Generation Software (NGS) Oy

Permission is granted to make and distribute verbatim copies of this manual provided the copyright notice and this permission notice are preserved on all copies.

Permission is granted to copy and distribute modified versions of this manual under the conditions for verbatim copying, provided that the entire resulting derived work is distributed under the terms of a permission notice identical to this one.

Permission is granted to copy and distribute translations of this manual into another language, under the above conditions for modified versions, except that this permission notice may be stated in a translation approved by the Foundation.

The Design Goals of the NGS JavaScript Interpreter
**************************************************

The Design Goals of the NGS JavaScript Interpreter.

This document is very much under construction.

Introduction
************

The NGS JavaScript interpreter is "yet another extension language". Although the world is full of extensions languages, none of the currently available languages didn't meet all the requirements we had for the extension language.  So, as a trivial solution, we decided to implement one that would satisfy our needs.

The following chapters describe the goals that were set for the project. The chapters are in priority order, starting from the most important feature.

Re-Entrant
**********

One of the original reasons for the JS project was the lack of thread-safe interpreters.

Extendible
**********

Fast
****

Programmable
************

The *Java* Hype
***************