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diff src/vim9compile.c @ 21188:d73b6ba20053 v8.2.1145

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patch 8.2.1145: Vim9: "for" only accepts a list at compile time Commit: https://github.com/vim/vim/commit/0ad3e894d75236915e67dfbbcc821b6bb3c05d91 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Jul 5 21:38:11 2020 +0200 patch 8.2.1145: Vim9: "for" only accepts a list at compile time Problem: Vim9: "for" only accepts a list at compile time. Solution: Also accept a list at runtime.
author Bram Moolenaar <Bram@vim.org>
date Sun, 05 Jul 2020 21:45:04 +0200
parents 96ae8622cfb6
children afed2045ffc9
line wrap: on
line diff
--- a/src/vim9compile.c
+++ b/src/vim9compile.c
@@ -6062,15 +6062,15 @@ compile_for(char_u *arg, cctx_T *cctx)
 	return NULL;
     }
 
-    // now we know the type of "var"
+    // Now that we know the type of "var", check that it is a list, now or at
+    // runtime.
     vartype = ((type_T **)stack->ga_data)[stack->ga_len - 1];
-    if (vartype->tt_type != VAR_LIST)
-    {
-	emsg(_("E1024: need a List to iterate over"));
+    if (need_type(vartype, &t_list_any, -1, cctx) == FAIL)
+    {
 	drop_scope(cctx);
 	return NULL;
     }
-    if (vartype->tt_member->tt_type != VAR_ANY)
+    if (vartype->tt_type == VAR_LIST && vartype->tt_member->tt_type != VAR_ANY)
 	var_lvar->lv_type = vartype->tt_member;
 
     // "for_end" is set when ":endfor" is found