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  • Subject: RE: Yet Another ILE RPG Enhancement!
  • From: "Popeil, Russ" <Russ.Popeil@xxxxxxxxx>
  • Date: Wed, 4 Feb 1998 14:36:39 -0700

This will be a great benefit 
Thanks 
Russ Popeil
Avnet Computer - Solutions That Mean Business
Office: 516-677-9346, Fax: 516-677-0296, Beeper: 516-786-5846
eMail:  Russ.popeil@avnet.com
http://www.ac.avnet.com



> -----Original Message-----
> From: Hans Boldt [SMTP:boldt@ca.ibm.com]
> Sent: Wednesday, February 04, 1998 3:03 PM
> To:   midrange-l@midrange.com
> Subject:      Yet Another ILE RPG Enhancement!
> 
> Greetings RPG fans!  A few months ago when discussing the new stuff
> in the upcoming release of ILE RPG, I promised one more surprise
> enhancement.  Well, it's actually two:
> 1) OPTION(*SRCSTMT) tells the compiler to assign statement numbers
>    that match the SEU source sequence numbers.
> 2) OPTION(*NODEBUGIO) ensures that when stepping through an RPG
>    program in debug, you don't stop on all of the input or output
>    specs on an I/O operation.
> 
> These features were so frequently requested, that we are providing
> these new features in PTFs for all releases back to V3R2.
> 
> Note that you have to code an H spec keyword to get the new behaviour:
>           OPTION(*SRCSTMT *NODEBUGIO).
> In a release after V4R2, you'll be able to get the behaviour through
> the OPTION parameter on the command (the H spec keyword will still
> be available too).
> 
> PTFs are available now for V3R2, V3R6, V3R7 and V4R2 that address the
> problem.  Currently the PTFs only fix TGTRLS(*CURRENT) - the other
> TGTRLS PTFs will be available soon.
> 
>          Compiler (product 57xxRG1) | Runtime (product 57xxSS1)
>          -------------------------- | ------------------------
>  V3R2    SF46001                    | SF45788
>  V3R6    SF45749                    | SF45430
>  V3R7    SF46327                    | SF46321
>  V4R1    (use V3R7 compiler + PTF)  | SF46462
>  V4R2    SF45191                    | SF45189
> 
> Hans Boldt, ILE RPG Development, IBM Toronto Lab, boldt@ca.ibm.com
> 
> ---------------- Problem description ---------------------
> 
> An ILE RPG program encounters an error during runtime.  The
> message indicates the source listing line number rather than
> the SEU source statement number.
> 
> The user had to recompile the program to generate a compile
> listing to determine what line number was failing.  When
> executing the OPM version of their program the sequence number
> from the source member was listed in the error message.
> 
> Another problem is that during debug, stepping on a READ or
> WRITE operation causes the debugger to step through I and
> O specifications rather than going directly to the statement
> after the READ or WRITE.
> 
> ----------------------- Answer ---------------------------
> 
> The OPTION keyword is added to the Control specification.  The
> possible parameters are *SRCSTMT and *NODEBUGIO.  To specify
> both parameters, separate them with a colon.
>    OPTION(*SRCSTMT : *NODEBUGIO)
> 
> In V4R2M0 where the OPTION keyword is already available, the
> new parameters for the OPTION keyword are *SRCSTMT, *NOSRCSTMT,
> *DEBUGIO, *NODEBUGIO.  *NOSRCSTMT and *DEBUGIO are the default.
> 
> In a later release, the OPTION parameter of the CRTBNDRPG and
> CRTRPGMOD commands will be changed to add *SRCSTMT, *NOSRCSTMT,
> *DEBUGIO and *NODEBUGIO.  Also, in a later release, the syntax
> checker will be changed to accept the new keyword and these
> new parameter values.
> 
> If keyword OPTION(*NODEBUGIO) is specified on the control
> specification, break points will not be generated for any
> input or output specifications.
> 
> If keyword OPTION(*SRCSTMT) is specified on the control
> specification, statement numbers will be derived from the
> sequence number of the source file.  For example, line 000200
> in the main source member will have a statement number of
> 000200.  This is the number that will appear in the listing,
> in the debugger and in exception messages.
> 
> Source lines from /COPY members will have a statement number
> beginning with the source number (this number appears on the
> right side of the listing) followed by the six digits of the
> sequence number.  For example, line 001300 in /COPY member 23
> would have a statement number of 23001300.  On the left-hand
> side of the listing this would appear as 001300+ with the 23
> in the source Id columns on the right-hand side of the listing.
> 23001300 would be the number that the debugger and exception
> messages would use.
> 
> Similarly, generated lines for input and output specifications
> from externally described files will have a statement numbers
> derived from the source number and the sequence number.  In
> this case, the sequence number is assigned sequentially by
> the compiler for each record.
> 
> Diagnostic messages in the compiler normally list the
> statement number and the sequence number.  If OPTION(*SRCSTMT)
> is specified, the entire statement number will be shown
> instead.
>    200+C                   scan      'a'           r
> ======>      aaaaaaaaaaaaaa
> *RNF5009 30 a     1000200  Factor 1 entry is required...
> 
>           A d d i t i o n a l   D i a g n o s t i c
>  Msg id  Sv Number Seq     Message text
> *RNF7067 20        010300  Factor 1 or Factor 2 of PARM ...
>                            Field; defaults to blanks.
> *RNF7045 30      23000100  The field FLD on the C specificat...
> 
> In the statement number fields of the program status data
> structure (PSDS) and file information data structure (INFDS),
> only eight digits are available.  If a statement number is
> longer than 6 digits, only the last 6 digits will be included.
> The first two characters will be set to '+ ' to indicate that
> the statement number was too large.  For example, statement
> 123000100 will appear as '+ 000100'.  The first 4 digits of
> the statement number will be given in a different subfield
> as a 2-byte integer number (5I 0).
> 
>      Location of statement number | Location of first 4 digits
>      -----------------------------+---------------------------
>      PSDS columns 21 - 28         | PSDS columns 354 - 355
>      PSDS columns 228 - 235       | PSDS columns 356 - 357
>      INFDS columns 30 - 37        | INFDS columns 77 - 78
> 
> If you specify OPTION(*SRCSTMT), the breakpoints at the
> beginning and end of the source that are normally given
> statement numbers 1000001 and 1000002 will be given statement
> numbers 2100000001 and 2100000002.
> 
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