test3.java

S语言编译器的完整实现

procedure test;
     var a,b,c,d:integer;
     var e,f:char;
     var g,h:string;
    begin
         a:=8;     /*赋值语句*/
         b:=9;
         c:=(a+b)*(a-b); /*算术表达式*/
         d:=a+a*b*c/(a-b);
         e:='x';
         f:='y';
         h:="dsdsldsldsfldsf";
         g:="xx.x.x.x..x.";
     end.
/*赋值语句和算术表达式*/