Parser


Slightly different grammar example...
   "->pointer;"

postfix_expr
.......
 | postfix_expr PTR_OP identifier    
       { 
            /* add to symbol table */
            $4 = addsym($4->name,NestLevel);
            /* set flag for pointer */
            $4->implicit = 1;                       
            /* add pointer node to AST */
            $$ = newnode(PTR_OP,$1,newast_val(symval($4)));
       }
...
 | postfix_expr INC_OP /* ++ */
    { $$ = newnode(INC_OP, $1, NULL); }