test1.plx

用c#编写的plx语言的编译器 学习编译原理的人应该知道plx语言吧

program  
integer a1 ,a2;
logical b1
begin


a1:=1;
a2:=3;

while (a2>0)
do
a2:=a2-1;
write a2
end;

b1:=false;
b1:=not b1;

if b1 then
write a1
end;

repeat 
write a1;
a1:=a1+1
until a1=3
end.