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Routine: OCXOCMPC

OCXOCMPC.m

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  1. OCXOCMPC ;SLC/RJS,CLA - ORDER CHECK CODE COMPILER (Optimize a Boolean Expression) ;10/29/98 12:37
  1. ;;3.0;ORDER ENTRY/RESULTS REPORTING;**32**;Dec 17,1997
  1. ;; ;;ORDER CHECK EXPERT version 1.01 released OCT 29,1998
  1. ;
  1. Q
  1. ;
  1. OPTMIZ(OCXD0,OCXEXP) ;
  1. ;
  1. Q 0
  1. N OCXRES,OCXSTAK,OCXPTR,OCXFLST,OCXTKN,OCXERR,OCXTEXP,OCXDASH,OCXBOOL,OCXPTKN,OCXX
  1. ;
  1. S OCXEXP=$$PARCNT(OCXEXP) Q:'$L(OCXEXP) OCXWARN Q:OCXWARN OCXWARN
  1. ;
  1. S OCXEXP=$TR(OCXEXP,"~","")
  1. ;
  1. S OCXEXP=$$STRIP(OCXEXP)
  1. ;
  1. I 0 W ! S OCXOP="" F OCXPTR=1:1:$L(OCXEXP," ") D
  1. .F Q:'(+$$TOP) Q:'($$TOP=$$TOP(2)) S OCXX=$$POP,OCXX=$$POP D DISP
  1. .;
  1. .I (+$P(OCXEXP," ",OCXPTR)) D PUSH(+$P(OCXEXP," ",OCXPTR)) D DISP Q
  1. .;
  1. .I ($P(OCXEXP," ",OCXPTR)="(") D PUSH("(") S OCXOP="" D DISP Q
  1. .;
  1. .I ($P(OCXEXP," ",OCXPTR)=")") D S OCXOP="" D DISP Q
  1. ..N SUB,POP S SUB="" F S POP=$$POP Q:'$L(POP) Q:(POP="(") S:$L(SUB) SUB=" "_SUB S SUB=POP_SUB
  1. ..D PUSH($$TOKEN(SUB))
  1. .;
  1. .I '$L(OCXOP) S OCXOP=$P(OCXEXP," ",OCXPTR) D PUSH(OCXOP) D DISP Q
  1. .;
  1. .I '(OCXOP=$P(OCXEXP," ",OCXPTR)) D D DISP Q
  1. ..N SUB,POP S SUB="" F S POP=$$POP Q:'$L(POP) Q:(POP="(") S:$L(SUB) SUB=" "_SUB S SUB=POP_SUB
  1. ..D PUSH("(")
  1. ..D PUSH($$TOKEN(SUB))
  1. ..S OCXOP=$P(OCXEXP," ",OCXPTR)
  1. ..D PUSH(OCXOP)
  1. .;
  1. .D PUSH($P(OCXEXP," ",OCXPTR)) D DISP Q
  1. ;
  1. S OCXEXP=$$EXPAND(OCXEXP)
  1. ;
  1. Q 0_U_$TR(OCXEXP," ","")
  1. ;
  1. DISP ;
  1. Q:$G(OCXAUTO)
  1. W !,$P(OCXEXP," ",1,OCXPTR),!
  1. Q
  1. TOKEN(VAL) ;
  1. ;
  1. Q:($L(VAL," ")=1) VAL
  1. N ORD,OPER,PTR
  1. S OPER=$P(VAL," ",2)
  1. F PTR=1:2:$L(VAL," ") S ORD($P(VAL," ",PTR))=""
  1. S VAL="",PTR=0 F S PTR=$O(ORD(PTR)) Q:'PTR S:$L(VAL) VAL=VAL_" "_OPER_" " S VAL=VAL_PTR
  1. ;
  1. S PTR=+$G(^TMP("OCXCMP",$J,"B TOKEN","B",VAL)) Q:PTR PTR
  1. ;
  1. F PTR=$O(^OCXS(860.3,999999),-1)+1:1 Q:'$D(^TMP("OCXCMP",$J,"B TOKEN",+PTR))
  1. S ^TMP("OCXCMP",$J,"B TOKEN",+PTR)=VAL
  1. S ^TMP("OCXCMP",$J,"B TOKEN","B",VAL)=+PTR
  1. Q +PTR
  1. ;
  1. PUSH(V) S OCXSTAK($O(OCXSTAK(99999),-1)+1)=V Q
  1. ;
  1. POP() N L,V S L=$O(OCXSTAK(99999),-1) Q:'L "" S V=OCXSTAK(L) K OCXSTAK(L) Q V
  1. ;
  1. TOP(C) ;
  1. Q:'$D(OCXSTAK) "" Q:'$D(C) OCXSTAK($O(OCXSTAK(999999),-1))
  1. N L,X S L=$O(OCXSTAK(99999),-1) Q:'L "" F X=1:1:C S L=$O(OCXSTAK(L),-1) Q:'L
  1. Q:'L "" Q OCXSTAK(L)
  1. K C
  1. ;
  1. STRIP(EXP) ;
  1. ;
  1. N QUIT,PTR
  1. F S QUIT=1 D Q:QUIT
  1. .F PTR=1:1:($L(EXP," ")-2) I ($P(EXP," ",PTR)="("),(+$P(EXP," ",PTR+1)),($P(EXP," ",PTR+2)=")") S QUIT=0 D Q
  1. ..I (PTR>1) S EXP=$P(EXP," ",1,PTR-1)_" "_(+$P(EXP," ",PTR+1))_" "_$P(EXP," ",PTR+3,99999) Q
  1. ..S EXP=(+$P(EXP," ",PTR+1))_" "_$P(EXP," ",PTR+3,99999)
  1. Q EXP
  1. ;
  1. PARCNT(EXP) ;
  1. N CNT,PTR,TEMP
  1. S CNT=0,TEMP="" F PTR=1:1:$L(EXP) D
  1. .N CHAR S CHAR=$E(EXP,PTR)
  1. .I (CHAR="(") S CNT=CNT+1,TEMP=TEMP_" ( "
  1. .E I (CHAR=")") S CNT=CNT-1,TEMP=TEMP_" ) "
  1. .E I '(CHAR=" "),'(CHAR="~"),(CHAR?1P) S TEMP=TEMP_" "_CHAR_" "
  1. .E S TEMP=TEMP_CHAR
  1. I CNT D Q ""
  1. .N MSG
  1. .S MSG(1)=" "_EXP,MSG(2)=" "
  1. .I (CNT>0) S MSG(3)=" "_(CNT)_" Unmatched LEFT '(' parenthesis in expression"
  1. .I (CNT<0) S MSG(3)=" "_(CNT*(-1))_" Unmatched RIGHT ')' parenthesis in expression"
  1. .D WARN^OCXOCMPV(.MSG,2,OCXD0,$P($T(+1)," ",1)) Q
  1. ;
  1. F Q:'(TEMP[" ") S TEMP=$P(TEMP," ",1)_" "_$P(TEMP," ",2,999)
  1. F Q:'($E(TEMP,1)=" ") S TEMP=$E(TEMP,2,$L(TEMP))
  1. Q TEMP
  1. ;
  1. EXPAND(EXP) ;
  1. ;
  1. N QUIT,PTR
  1. F PTR=1:1:$L(EXP," ") S:+$P(EXP," ",PTR) $P(EXP," ",PTR)="~"_$P(EXP," ",PTR)_"~"
  1. F Q:'(EXP["~") S EXP=$P(EXP,"~",1)_$G(^TMP("OCXCMP",$J,"B TOKEN",+$P(EXP,"~",2)))_$P(EXP,"~",3,999)
  1. Q EXP
  1. ;