Die folgenden Themen werden behandelt:
Beispiel 2 — DEFINE DATA LOCAL (Array-Definition/Initialisierung)
Beispiel 3 — DEFINE DATA (View-Definition, Array-Redefinition)
Beispiel 4 — DEFINE DATA (Global, Parameter und Local Data Areas)
** Example 'DDAEX1': DEFINE DATA
************************************************************************
DEFINE DATA LOCAL
1 #VAR1 (A15)
1 #VAR2
2 #VAR2A (N4.1) INIT <1111>
2 #VAR2B (N6.2) INIT <222222>
1 REDEFINE #VAR2
2 #VAR2C (A2)
2 #VAR2D (A2)
2 #VAR2E (A6)
END-DEFINE
*
WRITE NOTITLE '=' #VAR2A / '=' #VAR2B /
'=' #VAR2C / '=' #VAR2D / '=' #VAR2E
*
END
Ausgabe des Programms DDAEX1:
#VAR2A: 1111.0 #VAR2B: 222222.00 #VAR2C: 11 #VAR2D: 11 #VAR2E: 022222
** Example 'DDAEX2': DEFINE DATA (array definition/initialization)
************************************************************************
DEFINE DATA LOCAL
1 #VAR1 (A1/1:2,1:2) INIT (1,V) <'A','B'>
1 #VAR2 (N5/1:2,1:3) INIT (1,2) <200>
1 #VAR3 (A1/1:4,1:3) INIT (V,2:3) <'W','X','Y','Z'>
END-DEFINE
*
WRITE NOTITLE '=' #VAR1 (1,1) '=' #VAR1 (1,2)
/ '=' #VAR1 (2,1) '=' #VAR1 (2,2)
*
WRITE /// '=' #VAR2 (1,1) '=' #VAR2 (1,2)
/ '=' #VAR2 (2,1) '=' #VAR2 (2,2)
*
WRITE /// '=' #VAR3 (1,1) '=' #VAR3 (1,2) '=' #VAR3 (1,3)
WRITE / '=' #VAR3 (2,1) '=' #VAR3 (2,2) '=' #VAR3 (2,3)
WRITE / '=' #VAR3 (3,1) '=' #VAR3 (3,2) '=' #VAR3 (3,3)
WRITE / '=' #VAR3 (4,1) '=' #VAR3 (4,2) '=' #VAR3 (4,3)
*
END
Ausgabe des Programms DDAEX2:
#VAR1: A #VAR1: B
#VAR1: #VAR1:
#VAR2: 0 #VAR2: 200
#VAR2: 0 #VAR2: 0
#VAR3: #VAR3: W #VAR3: W
#VAR3: #VAR3: X #VAR3: X
#VAR3: #VAR3: Y #VAR3: Y
#VAR3: #VAR3: Z #VAR3: Z
** Example 'DDAEX3': DEFINE DATA (view definition, array redefinition)
************************************************************************
DEFINE DATA LOCAL
1 EMPLOY-VIEW VIEW OF EMPLOYEES
2 NAME
2 ADDRESS-LINE (A20/2)
2 PHONE
*
1 #ARRAY (A75/1:4)
1 REDEFINE #ARRAY
2 #ALINE (A25/1:4,1:3)
1 #X (N2) INIT <1>
1 #Y (N2) INIT <1>
END-DEFINE
*
FORMAT PS=20
LIMIT 5
FIND EMPLOY-VIEW WITH NAME = 'SMITH'
MOVE NAME TO #ALINE (#X,#Y)
MOVE ADDRESS-LINE(1) TO #ALINE (#X+1,#Y)
MOVE ADDRESS-LINE(2) TO #ALINE (#X+2,#Y)
MOVE PHONE TO #ALINE (#X+3,#Y)
IF #Y = 3
RESET INITIAL #Y
PERFORM PRINT
ELSE
ADD 1 TO #Y
END-IF
AT END OF DATA
PERFORM PRINT
END-ENDDATA
END-FIND
*
DEFINE SUBROUTINE PRINT
WRITE NOTITLE (AD=OI) #ARRAY(*)
RESET #ARRAY(*)
SKIP 1
END-SUBROUTINE
*
END
Ausgabe des Programms DDAEX3:
SMITH SMITH SMITH
ENGLANDSVEJ 222 3152 SHETLAND ROAD 14100 ESWORTHY RD.
MILWAUKEE MONTERREY
554349 877-4563 994-2260
SMITH SMITH
5 HAWTHORN 13002 NEW ARDEN COUR
OAK BROOK SILVER SPRING
150-9351 639-8963
** Example 'DDAEX4': DEFINE DATA (global and local data area definition) ************************************************************************ DEFINE DATA GLOBAL USING DDAEX4G LOCAL 1 #FIELD1 (A10) 1 #FIELD2 (N5) END-DEFINE * MOVE 'HELLO' TO #FIELD1 MOVE 123 TO #FIELD2 * CALLNAT 'DDAEX4N' #FIELD1 #FIELD2 * END
Vom Programm DDAEX4 benutzte Global Data Area
DDAEX4G:
1 GLOBAL-FIELD A 10
Vom Programm DDAEX4 aufgerufenes Subprogramm
DDAEX4N:
** Example 'DDAEX4N': DEFINE DATA PARAMETER (called by DDAEX4) ************************************************************************ DEFINE DATA PARAMETER 1 #FIELDA (A10) 1 #FIELDB (N5) END-DEFINE * WRITE '=' #FIELDA '=' #FIELDB END
Ausgabe des Programms DDAEX4:
Page 1 05-01-12 08:55:53
#FIELDA: HELLO #FIELDB: 123
** Example 'DDAEX5': DEFINE DATA (initialization)
************************************************************************
DEFINE DATA LOCAL
1 #START-DATE (D) INIT <*DATX>
1 #UNDERLINE (A50) INIT FULL LENGTH <'_'>
1 #SCALE (A65) INIT LENGTH 65 <'....+..../'>
END-DEFINE
*
WRITE NOTITLE #START-DATE (DF=L)
/ #UNDERLINE
/ #SCALE
END
Ausgabe des Programms DDAEX5:
2005-01-12 __________________________________________________ ....+..../....+..../....+..../....+..../....+..../....+..../....+
** Example 'DDAEX6': DEFINE DATA (variable array with (1:V)) ************************************************************************ DEFINE DATA LOCAL 1 #ARRAY (A1/1:10) 1 #MAX-ARR (P3) END-DEFINE * #ARRAY (1) := 'R' #ARRAY (2) := 'E' #ARRAY (3) := 'D' #MAX-ARR := 4 * WRITE #ARRAY(*) * CALLNAT 'DDAEX6N' #ARRAY(1:4) #MAX-ARR * WRITE #ARRAY(*) * * #MAX-ARR := 5 * CALLNAT 'DDAEX6N' #ARRAY(1:5) #MAX-ARR * WRITE #ARRAY(*) * END
Vom Programm DDAEX6 aufgerufenes Subprogramm
DDAEX6N:
** Example 'DDAEX6N': DEFINE DATA (variable array with (1:V)) ************************************************************************ DEFINE DATA PARAMETER 1 #STRING (A1/1:V) 1 #MAX (P3) END-DEFINE * IF #MAX = 4 MOVE 'B' TO #STRING (1) MOVE 'L' TO #STRING (2) MOVE 'U' TO #STRING (3) MOVE 'E' TO #STRING (4) END-IF * IF #MAX = 5 MOVE 'W' TO #STRING (1) MOVE 'H' TO #STRING (2) MOVE 'I' TO #STRING (3) MOVE 'T' TO #STRING (4) MOVE 'E' TO #STRING (5) END-IF END
Ausgabe des Programms DDAEX4:
Page 1 05-01-12 09:06:43
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