source: IHS-VA_UTILITIES-XB/XBGXREFS.m@ 641

XBGXREFS(FILE,FIELD,ROOT)       ; IHS/ADC/GTH - GET XREFS FOR ONE FIELD IN ONE FILE ; [ 02/07/97   3:02 PM ]
        ;;4.0;XB;;Jul 20, 2009;Build 2
        ;
        ;  ATTENTION PROGRAMMERS:  Do not use line one for entry.
        ;                          Use label XREF for entry.
        ;
        ; Given a file/subfile number, a field number, and a variable
        ; from which to assign subscripted values, this routine will
        ; return the xrefs for the specified field.
        ;
        ; The returned xrefs will be subscripted from the ROOT as
        ; follows:
        ;
        ;  ROOT(FIELD,n)     = file/subfile^xref (e.g. 9000010^AC)
        ;  ROOT(FIELD,n,"K") = executable kill logic
        ;  ROOT(FIELD,n,"S") = executable set logic
        ;
        ; Formal list:
        ;
        ; 1)  FILE   = file or subfile number (call by value)
        ; 2)  FIELD  = field number (call by value)
        ; 3)  ROOT   = array root (call by reference)
        ;
        G START
        ;
XREF(FILE,FIELD,ROOT)   ;PEP - Return x-ref info for a field.
        ;
START   ;
        NEW Y
        F Y=0:0 S Y=$O(^DD(FILE,FIELD,1,Y)) Q:Y'=+Y  S ROOT(FIELD,Y)=^(Y,0),ROOT(FIELD,Y,"S")=^(1),ROOT(FIELD,Y,"K")=^(2)
        Q
        ;