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vim-patch:8.0.1514: getting the list of changes is not easy

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Problem:    Getting the list of changes is not easy.
Solution:   Add the getchangelist() function. (Yegappan Lakshmanan,
            closes vim/vim#2634)
07ad816525
This commit is contained in:
Jan Edmund Lazo
2019-05-20 12:49:42 -04:00
parent b9ba1295b4
commit 783aa6b507
5 changed files with 98 additions and 0 deletions
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31
src/nvim/eval.c
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@@ -9547,6 +9547,37 @@ f_getbufvar_end:
}
}
// "getchangelist()" function
static void f_getchangelist(typval_T *argvars, typval_T *rettv, FunPtr fptr)
{
tv_list_alloc_ret(rettv, 2);
const buf_T *const buf = find_buffer(&argvars[0]);
if (buf == NULL) {
return;
}
list_T *const l = tv_list_alloc(buf->b_changelistlen);
tv_list_append_list(rettv->vval.v_list, l);
// The current window change list index tracks only the position in the
// current buffer change list. For other buffers, use the change list
// length as the current index.
tv_list_append_number(rettv->vval.v_list,
(buf == curwin->w_buffer)
? curwin->w_changelistidx
: buf->b_changelistlen);
for (int i = 0; i < buf->b_changelistlen; i++) {
if (buf->b_changelist[i].mark.lnum == 0) {
continue;
}
dict_T *const d = tv_dict_alloc();
tv_list_append_dict(l, d);
tv_dict_add_nr(d, S_LEN("lnum"), buf->b_changelist[i].mark.lnum);
tv_dict_add_nr(d, S_LEN("col"), buf->b_changelist[i].mark.col);
tv_dict_add_nr(d, S_LEN("coladd"), buf->b_changelist[i].mark.coladd);
}
}
/*
* "getchar()" function
*/