1
0
forked from aniani/vim

patch 8.2.3751: cannot assign a lambda to an option that takes a function

Problem:    Cannot assign a lambda to an option that takes a function.
Solution:   Automatically convert the lambda to a string. (Yegappan
            Lakshmanan, closes #9286)
This commit is contained in:
Yegappan Lakshmanan
2021-12-06 11:03:55 +00:00
committed by Bram Moolenaar
parent 40bcec1bac
commit 6409553b6e
18 changed files with 344 additions and 85 deletions

View File

@@ -1367,7 +1367,7 @@ ex_let_option(
char_u *op)
{
char_u *p;
int opt_flags;
int scope;
char_u *arg_end = NULL;
if ((flags & (ASSIGN_CONST | ASSIGN_FINAL))
@@ -1378,7 +1378,7 @@ ex_let_option(
}
// Find the end of the name.
p = find_option_end(&arg, &opt_flags);
p = find_option_end(&arg, &scope);
if (p == NULL || (endchars != NULL
&& vim_strchr(endchars, *skipwhite(p)) == NULL))
emsg(_(e_unexpected_characters_in_let));
@@ -1391,11 +1391,14 @@ ex_let_option(
char_u *stringval = NULL;
char_u *s = NULL;
int failed = FALSE;
int opt_p_flags;
char_u *tofree = NULL;
c1 = *p;
*p = NUL;
opt_type = get_option_value(arg, &numval, &stringval, opt_flags);
opt_type = get_option_value(arg, &numval, &stringval, &opt_p_flags,
scope);
if ((opt_type == gov_bool
|| opt_type == gov_number
|| opt_type == gov_hidden_bool
@@ -1410,9 +1413,20 @@ ex_let_option(
n = (long)tv_get_number(tv);
}
if (opt_p_flags & P_FUNC && (tv->v_type == VAR_PARTIAL
|| tv->v_type == VAR_FUNC))
{
char_u numbuf[NUMBUFLEN];
// If the option can be set to a function reference or a lambda
// and the passed value is a function reference, then convert it to
// the name (string) of the function reference.
s = tv2string(tv, &tofree, numbuf, 0);
}
// Avoid setting a string option to the text "v:false" or similar.
// In Vim9 script also don't convert a number to string.
if (tv->v_type != VAR_BOOL && tv->v_type != VAR_SPECIAL
else if (tv->v_type != VAR_BOOL && tv->v_type != VAR_SPECIAL
&& (!in_vim9script() || tv->v_type != VAR_NUMBER))
s = tv_get_string_chk(tv);
@@ -1458,7 +1472,7 @@ ex_let_option(
{
if (opt_type != gov_string || s != NULL)
{
set_option_value(arg, n, s, opt_flags);
set_option_value(arg, n, s, scope);
arg_end = p;
}
else
@@ -1466,6 +1480,7 @@ ex_let_option(
}
*p = c1;
vim_free(stringval);
vim_free(tofree);
}
return arg_end;
}