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diff src/evalvars.c @ 25630:c26eb08a0df2 v8.2.3351

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patch 8.2.3351: Vim9: using a function by name may delete it Commit: https://github.com/vim/vim/commit/b033ee2ddfa8513b57111a56d6af9e45c41f7d1e Author: Bram Moolenaar <Bram@vim.org> Date: Sun Aug 15 16:08:36 2021 +0200 patch 8.2.3351: Vim9: using a function by name may delete it Problem: Vim9: using a function by name may delete it. (Naohiro Ono) Solution: Increment the reference count when using a function by name. (closes #8760)
author Bram Moolenaar <Bram@vim.org>
date Sun, 15 Aug 2021 16:15:03 +0200
parents 15b54e0a576b
children fc8046209eaa
line wrap: on
line diff
--- a/src/evalvars.c
+++ b/src/evalvars.c
@@ -2636,6 +2636,8 @@ eval_variable(
 	{
 	    ufunc_T *ufunc = find_func(name, FALSE, NULL);
 
+	    // In Vim9 script we can get a function reference by using the
+	    // function name.
 	    if (ufunc != NULL)
 	    {
 		found = TRUE;
@@ -2643,6 +2645,8 @@ eval_variable(
 		{
 		    rettv->v_type = VAR_FUNC;
 		    rettv->vval.v_string = vim_strsave(ufunc->uf_name);
+		    if (rettv->vval.v_string != NULL)
+			func_ref(ufunc->uf_name);
 		}
 	    }
 	}