Prohibit LAG following TEMPORARY. This both matches SPSS behavior and

[pspp-builds.git] / src / language / expressions / parse.c

diff --git a/src/language/expressions/parse.c b/src/language/expressions/parse.c
index f2bc3254224f258a51a938c879df0b2d03a72051..b4294c16b1dae0d39ee9b4515a43817f7cc038ba 100644 (file)
--- a/src/language/expressions/parse.c
+++ b/src/language/expressions/parse.c
@@ -1222,6 +1222,11 @@ parse_function (struct expression *e)
       msg (SE, _("%s is not yet implemented."), f->prototype);
       goto fail;
     }
+  if ((f->flags & OPF_PERM_ONLY) && in_temporary_transformations ()) 
+    {
+      msg (SE, _("%s may not appear after TEMPORARY."), f->prototype);
+      goto fail;
+    }
   
   n = expr_allocate_composite (e, f - operations, args, arg_cnt);
   n->composite.min_valid = min_valid != -1 ? min_valid : f->array_min_elems;