REPORT Y9020026 LINE-SIZE 130.  "Release 3.1G, 4.5A
************************************************************************
* Copyright (c) 1999 by CT-Team, 33415 Verl, http://www.ct-software.com
*
*     You can use or modify this report for your own work as long
*               as you don't try to sell or republish it.
*      In no event will the author be liable for indirect, special,
*        Incidental, or consequental damages (if any) arising out of
*                       the use of this report.
*
************************************************************************
 BREAK-POINT.
*//////////////////////////////////////////////////////////////////////*
 MOVE: 'TESTREPORT for    "ASSIGN  IFeld+o(l)  TO  <fs1>"        '
        TO SY-TITLE.
*//////////////////////////////////////////////////////////////////////*
***************       Declaration of variables    **********************
 FIELD-SYMBOLS <FS1>.
*.......................................................................
 SKIP.
 DATA: IFELD4(4)   TYPE I VALUE '1022333'.   "we let the 4 stay here
*DATA: ZFELD1(2)    TYPE N.         "would all be mixed up because
*                                   "slack bytes (fill bytes) will
*                                   "be used, but no error is displayed
*                                   "Try it for yourself !
 DATA: IFELDX(4)   TYPE I VALUE '7777777'.
 DATA: IFELD6(4)   TYPE I VALUE '7333213'.
 DATA: NFELDX(400) TYPE N.
*
 DATA: OFFX    TYPE I VALUE 412.
 DATA: LENX    TYPE I VALUE 4.
*//////////////////////////////////////////////////////////////////////*
*************            -  Main Section             *******************
*//////////////////////////////////////////////////////////////////////*
*
    BREAK-POINT.
    WRITE: /5  'Example 1   **** inadmissible  ASSIGN ***' COLOR 6.
    WRITE: /10 'Inadmissible ASSIGN: ''ASSIGN IFELD4+1(3) TO <FS1>'' '.
*   ASSIGN IFELD4+1(3) TO <FS1>.
*i This command will let to a runtime error, because an I field can
*i only be accessed completely (with 4 bytes)
    ULINE.
    SKIP 2.
************************************************************************
*
 ASSIGN IFELD4+4(4) TO <FS1>.
*i What will be here assigned ?
************************************************************************
*
   BREAK-POINT.
   WRITE: / 'ASSIGN command with IFELD4, but instead IFELDX is assigned'
             COLOR 3.
    WRITE: /5 'Example 2'.
    PERFORM DISPLAY-IFELD USING IFELD4 'IFELD4'.
    WRITE: /10 'Content of   IFELDX      :', IFELDX.
    ULINE. SKIP 2.
*-----------------------------------------------------------------------
 ASSIGN IFELD4+8(4) TO <FS1>.
*******************************
*  here IFELD6 comes into play ..
*******************************
************************************************************************
*
    BREAK-POINT.
    WRITE: / 'ASSIGN mit IFELD4, but instead IFELD6 is assigned'
              COLOR 3.
    WRITE: /5 'Example 3'.
    WRITE: /10 'Content of   IFELD6      :', IFELD6.
    PERFORM DISPLAY-IFELD USING IFELD4 'IFELD4'.
    WRITE: /10 'Content of   IFELD6      :', IFELD6.
    ULINE. SKIP 2.
*-----------------------------------------------------------------------
************************************************************************
*
   BREAK-POINT.
   SKIP.
   DO 1 TIMES.
     ASSIGN IFELD4+OFFX(LENX) TO <FS1>. "<-- Zuordnung auf OFFX zu <FS1>
        WRITE: / 'ASSIGN command with IFELD4, but OFFX will be assigned'
                 COLOR 3.
        WRITE: /5 'Example 4'.
        PERFORM DISPLAY-IFELD USING IFELD4 'IFELD4'.
        ULINE. SKIP 2.
        ADD 4 TO OFFX.
   ENDDO.
*-----------------------------------------------------------------------
*-----------------------------------------------------------------------
*
*//////////////////////////////////////////////////////////////////////*
*************                Subroutines             *******************
*//////////////////////////////////////////////////////////////////////*
*
************************************************************************
*            Display of data fields and field symbols                  *
************************************************************************
 FORM DISPLAY-IFELD USING IFELD FNAME.
*
 WRITE: /10 'Content of', FNAME, ':', IFELD.
 PERFORM FELDEIGENSCHAFTEN USING IFELD.
*
 WRITE: /10 'Content of <FS1> :', <FS1>.
 PERFORM FELDEIGENSCHAFTEN USING <FS1>.
*-----------------------------------------------------------------------
 ADD   111    TO <FS1>.               "<-- The fieldsymbol will be used
*-----------------------------------------------------------------------
 WRITE: /10 'ADD 111 TO <FS1>'.
 ULINE.
*.......................................................................
 WRITE: /10 'Content of', FNAME, 35 ':', IFELD.
 WRITE: /10 'Content of <FS1>',  35 ':', <FS1>.
*.......................................................................
 ENDFORM.
************************************************************************
*    Determination of field properties (only for information)          *
************************************************************************
 FORM FELDEIGENSCHAFTEN USING ALLG.
*
 DATA: FLAENGE(2) TYPE N.
 DATA: FTYP(1) TYPE C.
 DATA: FOUT(2) TYPE N.
 DATA: FDEZ(2) TYPE N.
*.......................................................................
  ULINE.
  DESCRIBE FIELD ALLG LENGTH FLAENGE.
  WRITE: /10 'Field length  :', FLAENGE.
*
  DESCRIBE FIELD ALLG TYPE FTYP.
  WRITE: /10 'Field type    :', FTYP.
*
  DESCRIBE FIELD ALLG OUTPUT-LENGTH FOUT.
  WRITE: /10 'Output length :', FOUT.
*
  DESCRIBE FIELD ALLG DECIMALS FDEZ.
  WRITE: /10 'Decimals      :', FDEZ.
  SKIP 1.
*.......................................................................
 ENDFORM.
************************************************************************
************************************************************************
******************* END OF PROGRAM *************************************