RE: How to flowchart RPG === Advanced Science and Technology Letters Volume 29 (ASEA 2012), pp. 258-263 - Has anyone seen this paper New Topic

Your right, it does. Unfortunately he doesn't seem to be using one of the open tools like ANTLR and is instead rolling his own grammar processing.

A good starting point nonetheless though, with this you could get started on a RPG to DOT conversion.

http://sourceforge.net/p/rpgnextgen/code/HEAD/tree/src/rpgng-ast/src/de/rpgng/ast/

-----Original Message-----
From: Charles Wilt [mailto:charles.wilt@xxxxxxxxx]
Sent: Monday, January 06, 2014 1:55 PM
To: Midrange Systems Technical Discussion
Subject: Re: How to flowchart RPG === Advanced Science and Technology Letters Volume 29 (ASEA 2012), pp. 258-263 - Has anyone seen this paper New Topic

I assume Mihael Schmidt's RPG NextGen editor has some sort of grammer defined for his parser to use http://rpgnextgen.sourceforge.net/

But I'm not looked in detail..

Charles


On Mon, Jan 6, 2014 at 2:37 PM, Matt Olson <Matt.Olson@xxxxxxxx> wrote:

Thomas,

As a follow up to this, I did a quick search to see if there was a
grammar processor for RPG in one of the most popular grammar tools out
there called ANTLR - http://www.antlr.org/ and there doesn't seem to be any.

There is a grammar processor for nearly every other language except
for RPG, not surprising to me though as it seems pretty rare to find
RPG around these days.

Complete list of ANTLR grammar's supported:
http://www.antlr3.org/grammar/list.html

There are a few references of people attempting it, but so far no
conclusive proof anyone has created one unfortunately :(

Someone inquiring on the possibility:
https://groups.google.com/forum/#!topic/antlr-discussion/shs4scLGUh0

Matt

-----Original Message-----
From: Matt Olson [mailto:Matt.Olson@xxxxxxxx]
Sent: Monday, January 06, 2014 1:28 PM
To: Midrange Systems Technical Discussion
Subject: RE: How to flowchart RPG === Advanced Science and Technology
Letters Volume 29 (ASEA 2012), pp. 258-263 - Has anyone seen this
paper New Topic

Thomas,

I read the full article here:
http://onlinepresent.org/proceedings/vol29_2013/54.pdf

He is just stating an example of how one would convert an example RPG
program to GraphViz's DOT notation.

There is no proof he actually created RPG lexical processing program
that actually does this. Atleast the article doesn't give any
indication other than the one very specific example in the paper.

Grade F until I can see the code that actually parses RPG into DOT
notation.

Matt



-----Original Message-----
From: Thomas Burrows [mailto:thomas.burrows.1957@xxxxxxxxx]
Sent: Monday, January 06, 2014 1:10 PM
To: Midrange Systems Technical Discussion
Subject: How to flowchart RPG === Advanced Science and Technology
Letters Volume 29 (ASEA 2012), pp. 258-263 - Has anyone seen this
paper New Topic

Advanced Science and Technology Letters Volume 29 (ASEA 2012), pp.
258-263
- Has anyone seen this paper ??
Inbox
x


Has anyone seen this paper? Done by what looks like a student in
Thailand and an instructor. I am a bit lost on what exactly should be
downloaded from www.eclipse.org/kepler/

that is then fed into GRAPHVIZ produce.

www.graphviz.org/documentation.php

I am lost on how exactly what or what exactly out of ECLIPSE is used
to take the original RPG source to generate a DOT markup language file
that then appears to be fed into the GRAPHVIZ product for program
flowcharts that is much better than gets generated in HAWKEYE.
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