IBM AS/400 manual Contents, RPG Introduction

Contents

Notices

. . . . . . . . . . . . . . . . . . . xi. . . .

Programming Interface Information. . . . . . . . . . . . . . . . . . . .xii

Trademarks

and

Service

Marks. . . . . . . . . . . . . . . . . . . . .xii

About

This

Guide

. . . . . . . . . . . . . . . . . . . . . . . . . . .xv

Who Should Use This Guide. . . . . . . . . . . . . . . . . . . . . . xv

Prerequisite and Related Information. . . . . . . . . . . . . . . . . . .xvi

How

to

Send

Your

Comments. . . . . . . . . . . . . . . . . . . . . xvi

What's

New

This

Release?. . . . . . . . . . . . . . . . . . . . . . .xvii

Changes

to

this

Guide Since. . V4R2. . . . . . . . . . . . . . . . .xxi

ILE

RPG Introduction

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Chapter

1.

Overview

of

the

RPG

IV

Programming

Language

. . . . . . . .3.

RPG IV Specifications. . . . . . . . . . . . . . . . . . . . . . . . . .3

Cycle Programming

. . . . . . . . . . . . . . . . 4. . . .

Subprocedure logic . . . . . . . . . . . . . . . .5 . . . .

Indicators . . . . . . . . . . . . . . . . . . . 5 . . . .

Operation Codes . . . . . . . . . . . . . . . . . 6 . . . .

Example

of

an

ILE

RPG

Program. . . . . . . . . . . . . . . . . . . . .6

Using the OS/400 System. . . . . . . . . . . . . . . . . . . . . . . .12

Interacting with the .System. . . . . . . . . . . . . . . . . . . . .12

AS/400 Tools

. . . . . . . . . . . . . . . . . .13. . . .

Application

Development

ToolSet

for

AS/400. . . . . . . . . . . . . . 13. . . .

IBM VisualAge

RPG

and

Cooperative Development

Environment for AS/400

14

Chapter 2. RPG Programming in ILE

. . . . . . . . . . . . . . . . . .17

Program Creation

. . .

. . . . . . . . . . . . . . 17. . . .

Program Management

. . . . . . . . . . . . . . . .19 . . . .

Program Call

.

. . . . . . . . . . . . . . . . .19. . . .

Source Debugging

. . . . .

. .

. . . . .

. . . . 20

Bindable APIs .

. . . . . . . . . . . . . . . . .20 . . . .

Multithreaded Applications. . .

. . . . . . . . . . . 21. . . .

Chapter

3.

Program

Creation

Strategies

. . . . . . . . . . . . . . . . .23. . . .

Strategy 1: OPM-Compatible Application .

. . . . . . . . . .23 . . . .

Method

. . . . . . . . . . . . . . . . . . .23. . . .

Example

of

OPM-Compatible Program . . . . . . . . . . . . . . . . . 24

Related Information. . . . . . . . . . . . . . . .25 . . . .

Strategy

2: ILE

Program

Using

CRTBNDRPG. . . . . . . . . . . . . . . 25. . . .

Method

. . . . . . . . . . . . . . . . . . .25 . . . .

Example of ILE Program Using

CRTBNDRPG. . . . . . . . . . . . . .26. . .

Related Information. . . . . . . . . . . . . . . .27 . . . .

Strategy

3: ILE

Application

Using

CRTRPGMOD. . . . . . . . . . . . . .27. . .

Method

. . . . . . . . . . . . . . . . . . .28 . . . .

Single-Language

ILE

Application

Scenario. . . . . . . . . . . . . . . 28. . . .

Mixed-Language

ILE

Application

Scenario. . . . . . . . . . . . . . . .29. . . .

Advanced

Application

Scenario. . . . . . . . . . . . . . . . . . . . 30

Related Information. . . .

. .

. . . . .

. . . . .31 . . . .

 Copyright IBM Corp. 1994, 1999

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