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patch 8.2.4360: Vim9: allowing use of "s:" leads to inconsistencies

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Problem:    Vim9: allowing use of "s:" leads to inconsistencies.
Solution:   Disallow using "s:" in Vim9 script at the script level.
This commit is contained in:
Bram Moolenaar
2022-02-12 19:52:25 +00:00
parent 6e28703a8e
commit a749a42ed2
15 changed files with 151 additions and 61 deletions
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14
src/eval.c
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@@ -878,6 +878,14 @@ get_lval(
return lp->ll_name_end;
}
// Cannot use "s:var" at the Vim9 script level. "s: type" is OK.
if (in_vim9script() && at_script_level()
&& name[0] == 's' && name[1] == ':' && !VIM_ISWHITE(name[2]))
{
semsg(_(e_cannot_use_s_colon_in_vim9_script_str), name);
return NULL;
}
// Find the end of the name.
p = find_name_end(name, &expr_start, &expr_end, fne_flags);
lp->ll_name_end = p;
@@ -3732,6 +3740,12 @@ eval7(
emsg(_(e_cannot_use_underscore_here));
ret = FAIL;
}
else if (evaluate && in_vim9script() && len > 2
&& s[0] == 's' && s[1] == ':')
{
semsg(_(e_cannot_use_s_colon_in_vim9_script_str), s);
ret = FAIL;
}
else if ((in_vim9script() ? **arg : *skipwhite(*arg)) == '(')
{
// "name(..." recursive!