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patch 8.1.0027: difficult to make a plugin that feeds a line to a job

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Problem:    Difficult to make a plugin that feeds a line to a job.
Solution:   Add the nitial code for the "prompt" buftype.
This commit is contained in:
Bram Moolenaar
2018-06-03 14:47:35 +02:00
parent 33c5e9fa7a
commit f273245f64
22 changed files with 532 additions and 58 deletions
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64
src/evalfunc.c
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@@ -294,6 +294,10 @@ static void f_pow(typval_T *argvars, typval_T *rettv);
#endif
static void f_prevnonblank(typval_T *argvars, typval_T *rettv);
static void f_printf(typval_T *argvars, typval_T *rettv);
#ifdef FEAT_JOB_CHANNEL
static void f_prompt_setcallback(typval_T *argvars, typval_T *rettv);
static void f_prompt_setprompt(typval_T *argvars, typval_T *rettv);
#endif
static void f_pumvisible(typval_T *argvars, typval_T *rettv);
#ifdef FEAT_PYTHON3
static void f_py3eval(typval_T *argvars, typval_T *rettv);
@@ -744,6 +748,10 @@ static struct fst
#endif
{"prevnonblank", 1, 1, f_prevnonblank},
{"printf", 1, 19, f_printf},
#ifdef FEAT_JOB_CHANNEL
{"prompt_setcallback", 2, 2, f_prompt_setcallback},
{"prompt_setprompt", 2, 2, f_prompt_setprompt},
#endif
{"pumvisible", 0, 0, f_pumvisible},
#ifdef FEAT_PYTHON3
{"py3eval", 1, 1, f_py3eval},
@@ -1240,6 +1248,11 @@ f_append(typval_T *argvars, typval_T *rettv)
appended_lines_mark(lnum, added);
if (curwin->w_cursor.lnum > lnum)
curwin->w_cursor.lnum += added;
#ifdef FEAT_JOB_CHANNEL
if (bt_prompt(curbuf) && (State & INSERT))
// show the line with the prompt
update_topline();
#endif
}
else
rettv->vval.v_number = 1; /* Failed */
@@ -8379,6 +8392,57 @@ f_printf(typval_T *argvars, typval_T *rettv)
did_emsg |= saved_did_emsg;
}
#ifdef FEAT_JOB_CHANNEL
/*
* "prompt_setcallback({buffer}, {callback})" function
*/
static void
f_prompt_setcallback(typval_T *argvars, typval_T *rettv UNUSED)
{
buf_T *buf;
char_u *callback;
partial_T *partial;
if (check_secure())
return;
buf = get_buf_tv(&argvars[0], FALSE);
if (buf == NULL)
return;
callback = get_callback(&argvars[1], &partial);
if (callback == NULL)
return;
free_callback(buf->b_prompt_callback, buf->b_prompt_partial);
if (partial == NULL)
buf->b_prompt_callback = vim_strsave(callback);
else
/* pointer into the partial */
buf->b_prompt_callback = callback;
buf->b_prompt_partial = partial;
}
/*
* "prompt_setprompt({buffer}, {text})" function
*/
static void
f_prompt_setprompt(typval_T *argvars, typval_T *rettv UNUSED)
{
buf_T *buf;
char_u *text;
if (check_secure())
return;
buf = get_buf_tv(&argvars[0], FALSE);
if (buf == NULL)
return;
text = get_tv_string(&argvars[1]);
vim_free(buf->b_prompt_text);
buf->b_prompt_text = vim_strsave(text);
}
#endif
/*
* "pumvisible()" function
*/