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diff src/match.c @ 25302:4d3c68196d05 v8.2.3188

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patch 8.2.3188: Vim9: argument types are not checked at compile time Commit: https://github.com/vim/vim/commit/83494b4ac61898f687d6ef9dce4bad5802fb8e51 Author: Yegappan Lakshmanan <yegappan@yahoo.com> Date: Tue Jul 20 17:51:51 2021 +0200 patch 8.2.3188: Vim9: argument types are not checked at compile time Problem: Vim9: argument types are not checked at compile time. Solution: Add several more type checks, also at runtime. (Yegappan Lakshmanan, closes #8587)
author Bram Moolenaar <Bram@vim.org>
date Tue, 20 Jul 2021 18:00:06 +0200
parents bb2e921d2601
children 078edc1821bf
line wrap: on
line diff
--- a/src/match.c
+++ b/src/match.c
@@ -1045,14 +1045,21 @@ f_setmatches(typval_T *argvars UNUSED, t
     listitem_T	*li;
     dict_T	*d;
     list_T	*s = NULL;
-    win_T	*win = get_optional_window(argvars, 1);
+    win_T	*win;
 
     rettv->vval.v_number = -1;
+
+    if (in_vim9script()
+	    && (check_for_list_arg(argvars, 0) == FAIL
+		|| check_for_opt_number_arg(argvars, 1) == FAIL))
+	return;
+
     if (argvars[0].v_type != VAR_LIST)
     {
 	emsg(_(e_listreq));
 	return;
     }
+    win = get_optional_window(argvars, 1);
     if (win == NULL)
 	return;