xo-reader: mv symbol handling to expect_symbol_xs

src/reader/expect_symbol_xs.cpp

@@ -16,6 +16,20 @@ namespace xo {
             : exprstate(exprstatetype::expect_symbol)
         {}
 
+        void
+        expect_symbol_xs::on_symbol_token(const token_type & tk,
+                                          exprstatestack * p_stack,
+                                          rp<Expression> * p_emit_expr)
+        {
+            /* have to do pop first, before sending symbol to
+             * the o.g. symbol-requester
+             */
+            std::unique_ptr<exprstate> self = p_stack->pop_exprstate();
+
+            p_stack->top_exprstate().on_symbol(tk.text(),
+                                               p_stack, p_emit_expr);
+            return;
+        }
     } /*namespace scm*/
 } /*namespace xo*/