Introduction to the Debug Tool

• Compiling and linking
• Allocation
• Invocation
• Breakpoints
• Basic lommands – AT, CLEAR, GO, GOTO, STEP, LIST, QUIT, HELP
• Computer Exercise:  Using the Debug Tool

Establishing a multi-language debugging session

• Compile considerations
• Invocation considerations
• Multiple enclaves and interlanguage communication
• Data type mapping between languages
• Evaluation of high-level language expressions
• Interpretation of high level language variables and constants
• SET PROGRAMMING LANGUAGE
• Computer Exercise:  Working with multiple languages

Managing the screen

• SCROLL
• PANEL
  • Session colors
  • Session layout
  • Source listings
  • Session profile control
• WINDOW

Function keys

• RETRIEVE
• FIND

Advanced breakpoints
Command lists
ENABLE / DISABLE
ON
TRIGGER
Changing variables – Assignment
Tracking variables – MONITOR

• Computer Exercise:  Tailoring the Screen

PL/I language subset commands

• DECLARE
• BEGIN / END
• CALL / PROCEDURE
• DO / END
• IF / SELECT
• ON

COBOL language subset commands

• IF
• EVALUATE
• PERFORM
• CALL

C language subset commands

• block {}
• break
• Declaration
• do/while
• expressions
• for/while
• if
• switch

Debug Tool variables, expressions, and built-in functions

• Computer Exercise:  Working with the language subsets

Session control commands

• SET
• QUERY
• Prefix commands
  • AT / CLEAR
  • DISABLE / ENABLE
  • QUERY
  • SHOW
• Statement counts
• Computer Exercise:  Using Advanced Features

Debug Tool Logs and Restart

• Miscellaneous Commands
• USE
• COMMENT
• ANALYZE
• DESCRIBE
• TSO / SYSTEM

Debug Tool in other environments