Dr. Dobb's is part of the Informa Tech Division of Informa PLC

This site is operated by a business or businesses owned by Informa PLC and all copyright resides with them. Informa PLC's registered office is 5 Howick Place, London SW1P 1WG. Registered in England and Wales. Number 8860726.

Channels ▼

Jack Woehr

Dr. Dobb's Bloggers

FIJI Fun - Still Crazy After All These Years

August 31, 2008

In 2001 I posted the last public changes of my ForthIsh Java Interpreter to SourceForge. There was a lot of interest in Java interpreters at that time. FIJI was a pretty good cut but the arcaneness of addressing Java classes in RPN insured a manageably small user community, so to speak.

Jump ahead to this week when PigIron needs some serious automated testing.

We're not talking about write-once unit testing here, these tests have to be customized and parameterized to the testing installation because they create and destroy entities such as virtual images and virtual LANs at the superuser level in very complex environments.


REXX being popular in the mainframe world, BSF4Rexx is the obvious choice for what's going to be months of hand-rolled testing via scripting. As I wrestled with the installation, building Open ObjectRexx for Solaris and compiling and installing BSF4Rexx with tips from author Rony Flatscher, I started musing upon my own sadly neglected Java scripting framework ...

{geshibot}` \ Call the com.softwoehr.pigiron.Main.main() with HOST PORT USERID PASSWORD TARGETID` drop

: set-array ` \ array(array) index(long) object(any class but must be object) -- ` drop
rot java.lang.Object ()
( swap , rot Long>intparam , swap java.lang.Object () ,
java.lang.reflect.Array class set rot ) drop

: compose-pig-args ` \ String String String String String -- String[] ` drop
5 java.lang.String array
5 0 do
dup rot 4 0 index - swap set-array

: pigiron-main ` \ String String String String String -- ret ` drop
compose-pig-args com.softwoehr.pigiron.Main class main rot ( swap , ) ;

Related Reading

More Insights

Currently we allow the following HTML tags in comments:

Single tags

These tags can be used alone and don't need an ending tag.

<br> Defines a single line break

<hr> Defines a horizontal line

Matching tags

These require an ending tag - e.g. <i>italic text</i>

<a> Defines an anchor

<b> Defines bold text

<big> Defines big text

<blockquote> Defines a long quotation

<caption> Defines a table caption

<cite> Defines a citation

<code> Defines computer code text

<em> Defines emphasized text

<fieldset> Defines a border around elements in a form

<h1> This is heading 1

<h2> This is heading 2

<h3> This is heading 3

<h4> This is heading 4

<h5> This is heading 5

<h6> This is heading 6

<i> Defines italic text

<p> Defines a paragraph

<pre> Defines preformatted text

<q> Defines a short quotation

<samp> Defines sample computer code text

<small> Defines small text

<span> Defines a section in a document

<s> Defines strikethrough text

<strike> Defines strikethrough text

<strong> Defines strong text

<sub> Defines subscripted text

<sup> Defines superscripted text

<u> Defines underlined text

Dr. Dobb's encourages readers to engage in spirited, healthy debate, including taking us to task. However, Dr. Dobb's moderates all comments posted to our site, and reserves the right to modify or remove any content that it determines to be derogatory, offensive, inflammatory, vulgar, irrelevant/off-topic, racist or obvious marketing or spam. Dr. Dobb's further reserves the right to disable the profile of any commenter participating in said activities.

Disqus Tips To upload an avatar photo, first complete your Disqus profile. | View the list of supported HTML tags you can use to style comments. | Please read our commenting policy.