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vim-patch:8.2.1588: cannot read back the prompt of a prompt buffer

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Problem:    Cannot read back the prompt of a prompt buffer.
Solution:   Add prompt_getprompt(). (Ben Jackson, closes vim/vim#6851)
077cc7aa0e

Updated prompt_getprompt() doc to cb80aa2d53
and removed mention of method syntax usage (not supported by Nvim).
This commit is contained in:
Sean Dewar
2021-04-14 20:13:22 +01:00
parent 805eb81ccd
commit 65f35e0c7d
6 changed files with 79 additions and 6 deletions
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20
src/nvim/eval/funcs.c
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@@ -6491,6 +6491,26 @@ static void f_prompt_setinterrupt(typval_T *argvars,
buf->b_prompt_interrupt= interrupt_callback;
}
/// "prompt_getprompt({buffer})" function
void f_prompt_getprompt(typval_T *argvars, typval_T *rettv, FunPtr fptr)
FUNC_ATTR_NONNULL_ALL
{
// return an empty string by default, e.g. it's not a prompt buffer
rettv->v_type = VAR_STRING;
rettv->vval.v_string = NULL;
buf_T *const buf = tv_get_buf_from_arg(&argvars[0]);
if (buf == NULL) {
return;
}
if (!bt_prompt(buf)) {
return;
}
rettv->vval.v_string = vim_strsave(buf_prompt_text(buf));
}
// "prompt_setprompt({buffer}, {text})" function
static void f_prompt_setprompt(typval_T *argvars,
typval_T *rettv, FunPtr fptr)