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patch 8.2.4509: Vim9: can declare a variable with ":va"

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Problem:    Vim9: can declare a variable with ":va".
Solution:   Disallow using ":va", require using ":var".
This commit is contained in:
Bram Moolenaar
2022-03-05 11:37:48 +00:00
parent 330a388e18
commit e1d1211799
5 changed files with 25 additions and 3 deletions
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9
src/evalvars.c
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@@ -755,17 +755,24 @@ heredoc_get(exarg_T *eap, char_u *cmd, int script_get)
ex_var(exarg_T *eap)
{
char_u *p = eap->cmd;
int has_var;
if (!in_vim9script())
{
semsg(_(e_str_cannot_be_used_in_legacy_vim_script), ":var");
return;
}
if (current_sctx.sc_sid == 0 && checkforcmd_noparen(&p, "var", 3))
has_var = checkforcmd_noparen(&p, "var", 3);
if (current_sctx.sc_sid == 0 && has_var)
{
emsg(_(e_cannot_declare_variable_on_command_line));
return;
}
if (eap->arg > eap->cmd && !has_var)
{
emsg(_(e_must_use_var_instead_of_va));
return;
}
ex_let(eap);
}