IBM AS/400 manual Stepping Through the Program Object, Entry, Plist

Stepping Through the Program Object

‡			Display Module		—
					Source
	Program:	RPGPGM	Library:	MYLIB

1*===============================================================

2 * RPGPGM - Program called by DEBUGEX to illustrate the STEP

3*functions of the ILE source debugger.

4*

5* This program receives a parameter InputParm from DEBUGEX￿,

6 * displays it, then returns.

7*===============================================================

8

9

D InputParm

S

4P 3

10

11

C

*ENTRY

PLIST

12

C

PARM

InputParm

13

C

InputParm

DSPLY

14

C

SETON

Bottom

Debug . . . _________________________________________________________________

_______________________________________________________________________________

F3=End program

F6=Add/Clear breakpoint

F10=Step

F11=Display variable

F12=Resume

F17=Watch variable

F18=Work with watch

F24=More keys

ˆ Step completed at line 13.

˜

Figure

94.

Stepping into RPGPGM

If

the

ILE source debugger is not set

to

accept OPM

programs,

or

i

debug

data

available,

then

you

will

see

a

blank

Display

Module

Source

a

message indicating

that

the

source is

not available. (An OPM program

data

if

it

was

compiled

with OPTION(*SRCDBG) or OPTION(*LSTDBG).)

Example

of

Stepping

Into

a

Subprocedure

In this example, you use

the

F22

(Step

Into) to

step

into the

subpr

which

is

in

the

module

DEBUGEX.

1. Ensure

that

the

Display

Module Source

display shows the source for

2. To

set

an

unconditional

breakpoint

at

line

120,

which

is the

last

r

ment

before

the

CALLP

operation,Breaktype120

and press

Enter.

3. Press F3 (End program) to leave the Display Module Source display.

4. Call	the	program.	The	program	stops at breakpoint				119.
5. Press	F22	(Step	into).	The call statement is				run	and	then	the displa
the	subprocedure, as			in Figure 95		on	page 199. The first				runnable sta
of RPGPGM		is processed		(line	13)	and	then	processing		stops.

198 ILE RPG for AS/400 Programmer's Guide