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patch 8.2.3646: using <sfile> in a function gives an unexpected result

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Problem:    Using <sfile> in a function gives an unexpected result.
Solution:   Give an error in a Vim9 function. (issue #9189)
This commit is contained in:
Bram Moolenaar
2021-11-22 15:37:15 +00:00
parent 7d5b8becc3
commit c449271f4e
4 changed files with 26 additions and 0 deletions
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14
src/scriptfile.c
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@@ -135,6 +135,20 @@ estack_sfile(estack_arg_T which UNUSED)
return vim_strsave(entry->es_name);
}
#ifdef FEAT_EVAL
// expand('<sfile>') works in a function for backwards compatibility, but
// may give an unexpected result. Disallow it in Vim 9 script.
if (which == ESTACK_SFILE && in_vim9script())
{
int save_emsg_off = emsg_off;
if (emsg_off == 1)
// f_expand() silences errors but we do want this one
emsg_off = 0;
emsg(_(e_cannot_expand_sfile_in_vim9_function));
emsg_off = save_emsg_off;
return NULL;
}
// Give information about each stack entry up to the root.
// For a function we compose the call stack, as it was done in the past:
// "function One[123]..Two[456]..Three"