Question

rpgle Arrays

Asked by: JBart_17

I have an old rpg progam that I had to make some changes to, so while i was at it, i updated it to rpgle.
Now i can't  get it to compile.
It baulks on the 2 lookup

Factor 1 '-' and Factor 2 P are not the same type and length; the specification is ignored.              
Not sure why 

dp                s             15    dim(1) ctdata perrcd(1)
...
c                   eval      x = 1                                  
c                   movea     dprdno        p                        
c     '-'           lookup    p(x)                               44  
c                   if        *in44 = *on                            
c                   eval      x = x + 1                              
c     '-'           lookup    p(x)                               45  
c                   if        *in45 = *on                            
c                   eval      x = x + 1                              
                                  
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Asked On
2009-06-10 at 17:18:38ID24481445
Tags

as400

,

rpgle

,

arays

Topic

RPG Programming Language

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Answers

 

by: JBart_17Posted on 2009-06-10 at 17:31:22ID: 24597828

should i have definde p as

 

dp                s              1     dim(15) ctdata perrcd(1)

 

by: JBart_17Posted on 2009-06-10 at 17:38:44ID: 24597871

dp         s                      1     dim(15) ctdata perrcd(15)

 

by: tliottaPosted on 2009-06-10 at 18:35:26ID: 24598130

JBart_17:

I don't quite understand why there are both [ctdata perrcd(1)] and [movea  dprdno  p]. Normally, I'd expect one or the other; but not both.

CTDATA stands for "Compile-Time Data". The array is loaded at compile-time from a source record. Since the array is loaded when the module is compiled, there's no need to use MOVEA to load the array.

If the array data is dynamic, then there's no need for CTDATA nor PERRCD().

Perhaps this could be cleaned up some...? Or is the CTDATA intended as default values in case there's no input to MOVEA into the array?

Tom


20120131-EE-VQP-002

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