ILE RPG Programmer's Guide RDS For I 7.1

User Manual:

Open the PDF directly: View PDF .
Page Count: 616 [warning: Documents this large are best viewed by clicking the View PDF Link!]

Scroll down to view the document on your mobile browser.

Contents
About This Guide
- Who Should Use This Guide
- Prerequisite and Related Information
- How to Send Your Comments
- What's New
- What's New in this Release
- What's New in V6R1
- What's New in V5R4?
- What's New in V5R3?
- What's New in V5R2?
- What's New in V5R1?
- What's New in V4R4?
- What's New in V4R2?
- What's New in V3R7?
- What's New in V3R6/V3R2?
Using the application development tools in the client product
- Getting started in the Remote System Explorer perspective
- Remote Systems view
- System i Table view
- Remote Systems LPEX Editor
Part 1. ILE RPG Introduction
Chapter 1. Overview of the RPG IV Programming Language
- RPG IV Specifications
- Cycle Programming
  - Subprocedure logic
- Indicators
- Operation Codes
- Example of an ILE RPG Program
- Using IBM i
  - Interacting with the System
- WebSphere Development Studio for System i
- WebSphere Development Studio Client for System i
Chapter 2. RPG Programming in ILE
- Program Creation
- Program Management
- Program Call
- Source Debugging
- Bindable APIs
- Multithreaded Applications
Chapter 3. Program Creation Strategies
- Strategy 1: OPM-Compatible Application
- Strategy 2: ILE Program Using CRTBNDRPG
- Strategy 3: ILE Application Using CRTRPGMOD
- A Strategy to Avoid
Chapter 4. Creating an Application Using Multiple Procedures
- A Multiple Procedures Module — Overview
  - Main Procedures and Subprocedures
  - Prototyped Calls
- Example of Module with Multiple Procedures
  - The Entire ARRSRPT Program
- Coding Considerations
- For Further Information
Part 2. Creating and Running an ILE RPG Application
Chapter 5. Using Source Files
- Using Source Physical Files
- Using IFS Source Files
  - Include files
    - Search Path Within The IFS
Chapter 6. Creating a Program with the CRTBNDRPG Command
- Using the CRTBNDRPG Command
- Using a Compiler Listing
- Accessing the RETURNCODE Data Area
Chapter 7. Creating a Program with the CRTRPGMOD and CRTPGM Commands
- Creating a Module Object
- Binding Modules into a Program
- Using a Binder Listing
- Changing a Module or Program
Chapter 8. Creating a Service Program
- Service Program Overview
- Strategies for Creating Service Programs
- Creating a Service Program Using CRTSRVPGM
  - Changing A Service Program
  - Related CL commands
- Sample Service Program
Chapter 9. Running a Program
- Running a Program Using the CL CALL Command
  - Passing Parameters using the CL CALL Command
- Running a Program From a Menu-Driven Application
- Running a Program Using a User-Created Command
- Replying to Run-Time Inquiry Messages
- Ending an ILE Program
- Managing Activation Groups
- Managing Dynamically-Allocated Storage
Chapter 10. Calling Programs and Procedures
- Program/Procedure Call Overview
- Using a Prototyped Call
- Passing Prototyped Parameters
- Interlanguage Calling Considerations
- Using the Fixed-Form Call Operations
  - Examples of CALL and CALLB
  - Passing Parameters Using PARM and PLIST
    - Using the PARM operation
    - Using the PLIST Operation
- Returning from a Called Program or Procedure
- Using Bindable APIs
  - Examples of Using Bindable APIs
- Calling a Graphics Routine
- Calling Special Routines
- Storage Model
- Multithreading Considerations
Chapter 11. RPG and the eBusiness World
- RPG and XML
  - Processing XML Documents
    - XML Parser Error Codes
    - Limitations of the XML Parser
- RPG and MQSeries
- RPG and Java
Part 3. Debugging and Exception Handling
Chapter 12. Debugging Programs
- The ILE Source
  - Debug Commands
- Preparing a Program for Debugging
- Starting the ILE Source
  - STRDBG Example
  - Setting Debug Options
- Adding/Removing Programs from a Debug Session
  - Example of Adding a Service Program to a Debug Session
  - Example of Removing ILE Programs from a Debug Session
- Viewing the Program Source
  - Viewing a Different Module
  - Changing the View of a Module
- Setting and Removing Breakpoints
- Setting and Removing Watch Conditions
- Example of Setting a Watch Condition
- Stepping Through the Program Object
  - Stepping Over Call Statements
  - Stepping Into Call Statements
    - Example of Stepping Into an OPM Program Using F22
    - Example of Stepping Into a Subprocedure
- Displaying Data and Expressions
- Changing the Value of Fields
- Displaying Attributes of a Field
- Equating a Name with a Field, Expression, or Command
- Source Debug National Language Support for ILE RPG
- Sample Source for Debug Examples
Chapter 13. Handling Exceptions
- Exception Handling Overview
  - ILE RPG Exception Handling
- Using Exception Handlers
- Using RPG-Specific Handlers
- ILE Condition Handlers
  - Using a Condition Handler
- Using Cancel Handlers
- Problems when ILE CL Monitors for Notify and Status Messages
Chapter 14. Obtaining a Dump
- Obtaining an ILE RPG Formatted Dump
- Using the DUMP Operation Code
- Example of a Formatted Dump
Part 4. Working with Files and Devices
Chapter 15. Defining Files
- Associating Files with Input/Output Devices
- Naming Files
- Types of File Descriptions
  - Using Files with External-Description as Program-Described
  - Example of Some Typical Relationships between Programs and Files
- Defining Externally Described Files
- Defining Program-Described Files
- Data Management Operations and ILE RPG I/O Operations
Chapter 16. General File Considerations
- Overriding and Redirecting File Input and Output
  - Example of Redirecting File Input and Output
- File Locking
- Record Locking
- Sharing an Open Data Path
- Spooling
  - Output Spooling
- SRTSEQ/ALTSEQ in an RPG Program versus a DDS File
Chapter 17. Accessing Database Files
- Database Files
  - Physical Files and Logical Files
  - Data Files and Source Files
- Using Externally Described Disk Files
- Using Program-Described Disk Files
- Methods for Processing Disk Files
- Valid File Operations
- Using Commitment Control
- Unexpected Results Using Keyed Files
- DDM Files
  - Using Pre-V3R1 DDM Files
Chapter 18. Accessing Externally Attached Devices
- Types of Device Files
- Accessing Printer Devices
- Accessing Tape Devices
- Accessing Display Devices
- Using Sequential Files
  - Specifying a Sequential File
    - Example of Specifying a Sequential File
- Using SPECIAL Files
  - Example of Using a Special File
Chapter 19. Using WORKSTN Files
- Intersystem Communications Function
- Using Externally Described WORKSTN Files
- Using Program-Described WORKSTN Files
  - Using a Program-Described WORKSTN File with a Format Name
  - Using a Program-Described WORKSTN File without a Format Name
- Valid WORKSTN File Operations
- Multiple-Device Files
Chapter 20. Example of an Interactive Application
- Database Physical File
- Main Menu Inquiry
  - MAINMENU: DDS for a Display Device File
  - CUSMAIN: RPG Source
- File Maintenance
- Search by Zip Code
- Search and Inquiry by Name
Part 5. Appendixes
Appendix A. Behavioral Differences Between OPM RPG/400 and ILE RPG for AS/400
- Compiling
- Running
- Debugging and Exception Handling
- I/O
- DBCS Data in Character Fields
Appendix B. Using the RPG III to RPG IV Conversion Aid
- Conversion Overview
- Converting Your Source
- Example of Source Conversion
- Analyzing Your Conversion
  - Using the Conversion Report
  - Using the Log File
- Resolving Conversion Problems
Appendix C. The Create Commands
- Using CL Commands
  - How to Interpret Syntax Diagrams
- CRTBNDRPG Command
  - Description of the CRTBNDRPG Command
- CRTRPGMOD Command
  - Description of the CRTRPGMOD command
Appendix D. Compiler Listings
- Reading a Compiler Listing
Notices
- Programming Interface Information
- Trademarks
Bibliography
Index
- Special characters
- Numerics
- A
- B
- C
- D
- E
- F
- G
- H
- I
- J
- K
- L
- M
- N
- O
- P
- Q
- R
- S
- T
- U
- V
- W
- X

Navigation menu