Introduction

• Computer Exercise:Course Setup

Built-in functions

• General syntax
• Arithmetic and precision-handling built-in functions
• String-handling built-in functions and pseudovariables
• Array-handling built-in functions
• Mathematical built-in functions
• Date / time built-in functions
• Miscellaneous built-in functions
• Computer Exercise:String handling with built-in functions

Varying length string processing
The PL/I compiler

• Cataloged procedures
• Program preparation files
• Compiler parameters

Subroutines

• Invocation
• Arguments and parameters
• Dummy arguments

The Program Binder

• Case study
• Control statements
• Parameters

Obtaining PARM data from the EXEC statement

• Computer Exercise:Working with subroutines

Behind the scenes

• Object modules
• Load modules

Module maintenance 1 – Replacing a subroutine
User-written Functions
Built-in subroutines

• Computer Exercise:Maintaining a subroutine

Module Maintenance 2 – Dynamic calls

• FETCH and RELEASE
• Bind alternatives
• DLLs

Packages
Memory issues
z/OS memory organization

• Computer Exercise:A fetching program

Conditions

• Enabling / Disabling
• User condition handling
• Data handling, I/O, program checkout, and miscellaneous conditions
• Using conditions

Variable record format files

• Physical layout
• Self-defining data
• How you work with variable length records in PL/I
• Computer Exercise:Variable length records

Storage management

• Scope attributes: INTERNAL and EXTERNAL
• Scope Rules
• Storage Attributes: STATIC, AUTOMATIC, CONTROLLED, BASED
• Stacks and DSAs

ALLOCATE/FREE for controlled variables
Pointers and based variables

• Locate Mode I/O
• Computer Exercise:Locate mode input/output

ALLOCATE for BASED Variables
NULL
Free for BASED Variables
List processing

• Types
• How to do list processing in PL/I
• List processing pseudo-code
• Computer Exercise:List processing

Areas

• Introduction
• Areas and storage classes
• Extents
• Area I/O
• Offsets
• Area built-in functions
• The AREA condition

Storage and pointer built-in functions
Storage and pointer built-in subroutines

• Computer Exercise:Areas, offsets, and sorted list processing

The PL/I Preprocessor – overview
Including files
The preprocessors: Include, Macro, SQL, and CICS
The Macro preprocessor

• Compiler parameters
• Compiler directives
• Preprocessor variables
• Preprocessor statements
• Preprocessor built-in functions
• Preprocessor procedures
• Computer Exercise:Using the preprocessor

Stream I/O

• Declaring stream files
• Print files
• Data directed I/O – GET DATA / PUT DATA
• List directed I/O – GET LIST / PUT LIST
• Edit directed /IO – GET EDIT / PUT EDIT
• Edit format items
• Other stream I/O options
• Computer Exercise:Stream I/O

PL/I run-time options

• Storage management: stack and heap Issues
• TRAP

Performance considerations

• Things to avoid
• Good stuff
• Compiler options that affect performance
• Computer Exercise:Tuning and storage control

Odds and ends

• Typed structures and unions
• Introduction to multi-threading
• Introduction to interlanguage communication
• Introduction to XML in PL/I
• Computer Exercise:Multi-threading