Check arguments in with-decorator tag

Fixes #1757.
2019-03-16 23:19:49 -05:00 · 2019-03-16 23:19:49 -05:00 · 9203fcaeb5
commit 9203fcaeb5
parent 49c9d8a845
1 changed files with 2 additions and 0 deletions
--- a/hy/core/macros.hy
+++ b/hy/core/macros.hy
@ -240,6 +240,8 @@ name (i.e. `sys.argv[0]`).

 (deftag @ [expr]
  "with-decorator tag macro"
+  (if (empty? expr)
+      (macro-error expr "missing function argument"))
  (setv decorators (cut expr None -1)
        fndef (get expr -1))
  `(with-decorator ~@decorators ~fndef))