From 1a71d31bf34b0b2b08517903826004ec6fd440e5 Mon Sep 17 00:00:00 2001
From: Yegappan Lakshmanan <yegappan@yahoo.com>
Date: Thu, 15 Jul 2021 12:49:58 +0200
Subject: patch 8.2.3162: Vim9: argument types are not checked at compile time

Problem:    Vim9: argument types are not checked at compile time.
Solution:   Add more type checks. (Yegappan Lakshmanan, closes #8560)
---
 src/typval.c | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

(limited to 'src/typval.c')

diff --git a/src/typval.c b/src/typval.c
index b22331831..6e0b528e7 100644
--- a/src/typval.c
+++ b/src/typval.c
@@ -384,6 +384,23 @@ check_for_nonempty_string_arg(typval_T *args, int idx)
     return OK;
 }
 
+/*
+ * Give an error and return FAIL unless "tv" is a number.
+ */
+    int
+check_for_number_arg(typval_T *args, int idx)
+{
+    if (args[idx].v_type != VAR_NUMBER)
+    {
+	if (idx >= 0)
+	    semsg(_(e_number_required_for_argument_nr), idx + 1);
+	else
+	    emsg(_(e_numberreq));
+	return FAIL;
+    }
+    return OK;
+}
+
 /*
  * Give an error and return FAIL unless "tv" is a dict.
  */
-- 
cgit v1.2.1