IBM AS/400 manual RPG Programming in ILE, Program Creation

RPG Programming in ILE

Chapter 2. RPG Programming in ILE

ILE RPG is an implementation of the RPG IV programming language in the grated Language Environment. It is one of the family of ILE compilers the AS/400 system.

ILE

is

a

recent

approach

to

programming

on the AS/400 system. It is

major enhancements

to

the

AS/400 machine architecture and the OS/400 op

system.

The

ILE

family

of

compilers

includes:

ILE RPG, ILE C, ILE COBO

CL,

and

VisualAge

for

C++.

Table 4 lists

the

programming

languages suppo

the OS/400 operating system. In addition

to the support for the ILE

support

for

the

original program model (OPM) and extended program mode

languages

has been retained.

Table

4. Programming Languages Supported on the AS/400

Integrated

Language

Original

Program

Model

Extended

Program

Environment

(ILE)

(OPM)

Model (EPM)

C++

BASIC

(PRPQ)

FORTRAN

C

CL

PASCAL

(PRPQ)

CL

COBOL

COBOL

PL/I

(PRPQ)

RPG

RPG

Compared

to

OPM,

ILE

provides

RPG users

with

improvements

or enhancement

in

the

following

areas

of

application

development:

¹Program creation

¹Program management

¹Program call

¹Source debugging

¹Bindable application program interfaces (APIs)

Each of the above areas is explained briefly in the following parag cussed further in the following chapters.

Program Creation

In ILE, program creation consists of:

1. Compiling source code into modules

2. Binding (combining) one or more modules into a program object

You can create a program object much like you do in the OPM framew one-step process using the Create Bound RPG Program (CRTBNDRPG) command. This command creates a temporary module which is then bound i program object. It also allows you to bind other objects through th directory.

 Copyright IBM Corp. 1994, 1999 17