Eclipse Project Proposal

EGL Development Tools Proposed as New Eclipse Project

Jessica Thornsby

Proposal for the IBM Rational Business Developer tool to form that basis of new Eclipse project.

The EGL Development Tools project has been proposed as a new Eclipse project.

EGL is a programming language that combines the concepts of
statically typed languages with the Stereotype concept from the
Universal Modeling Language (UML). This concept is used to tag UML
elements with metadata, and acts as a mechanism for extending
standard modeling concepts. In EGL the set of concepts to be
compiled and transformed is extensible, so source code conversion
and generation to the appropriate byte code must be explicitly
separated into a compile step and a generation step. The EGL
compiler validates and binds the basic core language, in addition
to enforcing the constraints defined by the stereotypes and
transforming the EGL model into runtime source code. New
stereotypes can be added, but the generator must be extended to
understand these new stereotypes.

This technology, currently exists in the Eclipse-Based IBM
Rational Business Developer (RBM) development tool, where the code
is compiled and generated into either Java, JavaScript or COBOL
source code, depending on the target runtime environment. The
initial contribution will come from this existing product, and will
include EGL source editing, deployment capabilities, and tools to
generate EGL from database table or view.

The EGL Development Tools project aims to provide development
tools for the EGL language, and EGL language parser, compiler and
generators, which will be accessible via the tools or command line.
The project also proposes to reimplement Java and JavaScript
generators on top of an extensible framework. This will enable the
generators to be extended to support new runtime environments, or
for new generators to be created using the extensible
framework.

The final delivery of the initial EGL contribution is December
2010.

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