主题：请编写模型高手帮忙！循环的问题

variable:gao=h,dii=l;
if holding>0 and l<gao-100 then begin
 sell(1,1,limitr,min(o,gao-100-mindiff));
 goto skip@;
end
if holding<0 and h>dii+100 then begin
 sellshort(1,1,limitr,max(o,dii+100+mindiff));
end
if holding=0 and h>dii+100 then begin
 buy(1,1,limitr,max(o,dii+100+mindiff));
 gao:=h;
end
skip@;
if holding=0 and l<gao-100 then begin
 buyshort(1,1,limitr,min(o,gao-100-mindiff));
 dii:=l;
end

if h>gao then gao:=h;
if l<dii then dii:=l;