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The Modern RPG IV Language

ISBN: 1583470646
EAN: 2147483647

Year: 2003
Pages: 156

Authors: Robert Cozzi

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• Table of Contents
• BackCover
• The Modern RPG IV Language, Third Edition
• Preface
• WHO SHOULD READ THIS BOOK
• WHICH VERSION OF RPG IS COVERED
• NAMES ARE IMPORTANT
• Chapter 1: Introduction
• POSITION-ORIENTED PROGRAM SPECIFICATIONS
• A BRIEF LANGUAGE
• SPECIFICATION TYPES
• RPG COMPONENTS
• RPG LIMITATIONS
• NAMING CONVENTIONS
• DATA TYPES
• INDICATORS
• INDICATOR USAGE
• FUNCTION KEY ATTENTION IDENTIFICATION BYTE
• INDICATOR CLASSIFICATION
• INDICATORS TO AVOID
• CONSTANTS AND LITERAL VALUES
• OPERATION CODE ARGUMENTS
• OUTPUT CONTROL VALUES
• SUBROUTINE RETURN POINTS
• DIRECTIVES
• Chapter 2: Specification Formats
• HEADER (CONTROL) SPECIFICATION
• FILE SPECIFICATION
• DEFINITION SPECIFICATION
• INPUT SPECIFICATION
• INPUT SPECIFICATION SUMMARY
• CALCULATION SPECIFICATION
• OUTPUT SPECIFICATION
• PROCEDURE SPECIFICATION
• EDITING NUMERIC OUTPUT
• DATE EDIT CODE CONTROL SUMMARY
• TABLE AND ARRAY SPECIFICATION
• Chapter 3: Expressions
• NATURAL EXPRESSIONS
• Chapter 4: Built-In Functions
• BUILT-IN FUNCTION SYNTAX
• BUILT-IN FUNCTION SYNTAX SUMMARY
• Chapter 5: Operation Codes
• ABBREVIATIONS USED THROUGHOUT THIS CHAPTER
• OPERATION CODE SUMMARY
• UNCONDITIONABLE OPERATION CODES
• DATE AND TIME FORMAT CODES
• DATE AND TIME DURATION CODES
• OPERATION EXTENDER REFERENCE
• RPG IV OPERATION CODE SUMMARY SYNTAX DIAGRAM LEGEND
• OPERATION CODE SYNTAX DIAGRAMS
• BOOLEAN OPERATION CODES
• FREE FORMAT OPERATION CODES
• NATURAL EXPRESSION OPERATION CODES
• PROGRAM STATUS CODES
• FILE-STATUS ERROR CODES
• NESTED CODE ILLUSTRATION
• FREE FORMAT NESTED CODE ILLUSTRATION
• Chapter 6: Program Organization
• SOURCE FILE LOCATION
• SOURCE FILE MEMBER CONTENTS
• MODULE DEFINITION
• SCOPE
• STATIC AND AUTOMATIC STORAGE
• IMPORT AND EXPORT
• Chapter 7: Modern Operation Code Usage
• OPTIMIZING
• INDICATOR-CONTROLLED LOGIC
• INDICATORLESS CONTROLLED LOGIC
• DO LOOPS
• COMPARE AND BRANCH
• COMPARE OPERATION
• RANGES, LISTS, AND SELECTOMIT
• RPG IV STYLE
• Chapter 8: Structured Programming
• THE IF-THEN-ELSE STRUCTURE
• THE CASE STRUCTURE
• Chapter 9: Inter-Module Communication
• COMMON TECHNIQUES FOR INTER-MODULE COMMUNICATION
• PROTOTYPED CALL
• DATA STRUCTURES AND PROTOTYPED PROCEDURES
• DATA AREAS
• Chapter 10: Procedures
• CALLING A PROCEDURE
• PROCEDURE DEFINITION
• PROTOTYPED PROCEDURE KEYWORDS
• PROGRAM ENTRY POINT
• A SYSTEM INTERFACE FOR PROCEDURES
• Chapter 11: File Processing
• FULL-PROCEDURAL FILE PROCESSING
• PHYSICAL FILES
• LOGICAL FILES
• FILE ACCESS
• ACCESS PATH PROCESSING
• WORKSTATION DEVICE FILE PROCESSING
• CHAIN (RANDOM FILE ACCESS)
• OPEN AND CLOSE (OPEN AND CLOSE A FILE)
• EXFMT (WRITE THEN READ WORKSTATION DEVICE)
• POST (POST DEVICE SPECIFIC INFORMATION)
• READ (READ A RECORD FROM A FILE)
• READC (READ NEXT CHANGED SUBFILE RECORD)
• UPDATE (UPDATE A RECORD)
• WRITE (WRITE A RECORD)
• Chapter 12: Alternate Syntax Options
• ENHANCED-FORMAT CALCULATION SPECIFICATIONS
• FREE-FORMAT CALCULATION SPECIFICATIONS
• Appendix A: Compiler Options
• The CRTBNDRPG Command
• Appendix B: Decimal Data Errors
• DATABASE FILE MODELS
• ZONED DECIMAL DATA
• PACKED DECIMAL DATA
• CONDITIONS FOR DECIMAL DATA ERRORS
• Appendix C: DDS Date and Time Format Considerations
• DATABASE DATE FORMAT AND SEPARATOR (EDIT CHARACTER)
• DATABASE TIME FORMAT AND SEPARATOR (Edit Character)
• SPECIAL DATES AND TIMES VALUES
• Appendix D: Source Code Listings
• DAY OF WEEK ORDINAL
• DAY OF WEEK TEXT
• RETURN AS UPPERCASE STRING
• CONVERT TO UPPERCASE
• RETURN LENGTH OF INPUT STRING
• IN-LINE ILE PROCEDURES
• ADDITIONAL SOURCE LISTINGS
• Index
• Index_A
• Index_B
• Index_C
• Index_D
• Index_E
• Index_F
• Index_G
• Index_H
• Index_I
• Index_J
• Index_K
• Index_L
• Index_M
• Index_N
• Index_O
• Index_P
• Index_Q
• Index_R
• Index_S
• Index_T
• Index_U
• Index_V
• Index_W
• Index_X
• Index_Y
• Index_Z
• List of Figures
• List of Tables
• List of Figures