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vim-patch:8.2.2356: Vim9: ":put =expr" does not handle a list properly

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Problem:    Vim9: ":put =expr" does not handle a list properly.
Solution:   Use the same logic as eval_to_string_eap(). (closes vim/vim#7684)

883cf97f10

Co-authored-by: Bram Moolenaar <Bram@vim.org>
This commit is contained in:
zeertzjq 2023-09-17 10:59:36 +08:00
parent aac85b8d6b
commit ac0fda2e46
1 changed files with 29 additions and 18 deletions
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47
src/nvim/eval.c
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@ -947,6 +947,34 @@ int skip_expr(char **pp, evalarg_T *const evalarg)
return res;
}
/// Convert "tv" to a string.
///
/// @param convert when true convert a List into a sequence of lines and convert
/// a Float to a String.
///
/// @return an allocated string.
static char *typval2string(typval_T *tv, bool convert)
{
if (convert && tv->v_type == VAR_LIST) {
garray_T ga;
ga_init(&ga, (int)sizeof(char), 80);
if (tv->vval.v_list != NULL) {
tv_list_join(&ga, tv->vval.v_list, "\n");
if (tv_list_len(tv->vval.v_list) > 0) {
ga_append(&ga, NL);
}
}
ga_append(&ga, NUL);
return (char *)ga.ga_data;
}
if (convert && tv->v_type == VAR_FLOAT) {
char numbuf[NUMBUFLEN];
vim_snprintf(numbuf, NUMBUFLEN, "%g", tv->vval.v_float);
return xstrdup(numbuf);
}
return xstrdup(tv_get_string(tv));
}
/// Top level evaluation function, returning a string.
///
/// @param convert when true convert a List into a sequence of lines and convert
@ -957,28 +985,11 @@ char *eval_to_string(char *arg, bool convert)
{
typval_T tv;
char *retval;
garray_T ga;
if (eval0(arg, &tv, NULL, &EVALARG_EVALUATE) == FAIL) {
retval = NULL;
} else {
if (convert && tv.v_type == VAR_LIST) {
ga_init(&ga, (int)sizeof(char), 80);
if (tv.vval.v_list != NULL) {
tv_list_join(&ga, tv.vval.v_list, "\n");
if (tv_list_len(tv.vval.v_list) > 0) {
ga_append(&ga, NL);
}
}
ga_append(&ga, NUL);
retval = (char *)ga.ga_data;
} else if (convert && tv.v_type == VAR_FLOAT) {
char numbuf[NUMBUFLEN];
vim_snprintf(numbuf, NUMBUFLEN, "%g", tv.vval.v_float);
retval = xstrdup(numbuf);
} else {
retval = xstrdup(tv_get_string(&tv));
}
retval = typval2string(&tv, convert);
tv_clear(&tv);
}
clear_evalarg(&EVALARG_EVALUATE, NULL);