[ESS] SAS Indentation

[Cameron Hooper]

Some of the ESS indentation rules for SAS are not, in my opinion, 
ideal. I realise this is very much a question of personal taste, but I 
would like to raise the issue for discussion anyway. If this has been 
discussed to death earlier, please accept my apologies in advance. Here 
are a series of examples. In each case I believe my preferred 
indentation is closer to that used in the SAS documentation and in many 
books produced by the SAS institute.


* ESS produces;
data tmp;
     set tmp;
     do i = 1 to 10;
         x = i;
         end; /* end not aligned with beginning of do block */
run;

* I would prefer;
data tmp;
     set tmp;
     do i = 1 to 10;
         x = i;
     end;
run;

* ESS produces;
data tmp;
     set tmp;
     if x = 1 then
         do;
         y = 2;
         z = x;
         end; /* end aligned with do, but blocked statements not 
indented */
run;

* I would prefer;
data tmp;
     set tmp;
     if x = 1 then
         do;
             y = 2;
             z = x;
         end;
run;

* OR;

data tmp;
     set tmp;
     if x = 1 then do;
         y = 2;
         z = x;
     end;


* ESS gives;
data tmp;
     set tmp;
     select (x);
     when (1) y = 2; /* No indentation at all */
     when (2) z = z;
     otherwise put "Stuff";
     end;
run;

* I would prefer;
data tmp;
     set tmp;
     select (x);
         when (1) y = 2;
         when (2) z = z;
         otherwise put "Stuff";
     end;
run;

* ESS gives;
data tmp;
     input z y z;
     datalines;
     45 78 23
         22 55 88 /* Inconsistent indentation */
         12 83 90
         ;
run;

* I would prefer;
data tmp;
     input z y z;
     datalines;
         45 78 23
         22 55 88
         12 83 90
         ;
run;

* or;

data tmp;
     input z y z;
     datalines;
     45 78 23
     22 55 88
     12 83 90
     ;
run;


Cameron