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vim-patch:8.1.0519: cannot save and restore the tag stack

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Problem:    Cannot save and restore the tag stack.
Solution:   Add gettagstack() and settagstack(). (Yegappan Lakshmanan,
            closes vim/vim#3604)
f49cc60aa8
This commit is contained in:
rolag
2019-04-28 10:59:19 +01:00
parent 8072f085d2
commit 924dd6f14a
7 changed files with 449 additions and 1 deletions
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80
src/nvim/eval.c
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@@ -10404,6 +10404,26 @@ static void f_gettabwinvar(typval_T *argvars, typval_T *rettv, FunPtr fptr)
getwinvar(argvars, rettv, 1);
}
/*
* "gettagstack()" function
*/
static void
f_gettagstack(typval_T *argvars, typval_T *rettv, FunPtr fptr)
{
win_T *wp = curwin; // default is current window
tv_dict_alloc_ret(rettv);
if (argvars[0].v_type != VAR_UNKNOWN)
{
wp = find_win_by_nr_or_id(&argvars[0]);
if (wp == NULL)
return;
}
get_tagstack(wp, rettv->vval.v_dict);
}
/// Returns information about a window as a dictionary.
static dict_T *get_win_info(win_T *wp, int16_t tpnr, int16_t winnr)
{
@@ -15196,6 +15216,64 @@ static void f_settabwinvar(typval_T *argvars, typval_T *rettv, FunPtr fptr)
setwinvar(argvars, rettv, 1);
}
/*
* "settagstack()" function
*/
static void
f_settagstack(typval_T *argvars, typval_T *rettv, FunPtr fptr)
{
static char *e_invact2 = N_("E962: Invalid action: '%s'");
win_T *wp;
dict_T *d;
int action = 'r';
rettv->vval.v_number = -1;
// first argument: window number or id
wp = find_win_by_nr_or_id(&argvars[0]);
if (wp == NULL)
return;
// second argument: dict with items to set in the tag stack
if (argvars[1].v_type != VAR_DICT)
{
EMSG(_(e_dictreq));
return;
}
d = argvars[1].vval.v_dict;
if (d == NULL)
return;
// third argument: action - 'a' for append and 'r' for replace.
// default is to replace the stack.
if (argvars[2].v_type == VAR_UNKNOWN)
action = 'r';
else if (argvars[2].v_type == VAR_STRING)
{
const char *actstr;
actstr = tv_get_string_chk(&argvars[2]);
if (actstr == NULL)
return;
if ((*actstr == 'r' || *actstr == 'a') && actstr[1] == NUL)
action = *actstr;
else
{
EMSG2(_(e_invact2), actstr);
return;
}
}
else
{
EMSG(_(e_stringreq));
return;
}
if (set_tagstack(wp, d, action) == OK)
rettv->vval.v_number = 0;
else
EMSG(_(e_listreq));
}
/*
* "setwinvar()" function
*/
@@ -18197,7 +18275,7 @@ pos_T *var2fpos(const typval_T *const tv, const int dollar_lnum,
* Return FAIL when conversion is not possible, doesn't check the position for
* validity.
*/
static int list2fpos(typval_T *arg, pos_T *posp, int *fnump, colnr_T *curswantp)
int list2fpos(typval_T *arg, pos_T *posp, int *fnump, colnr_T *curswantp)
{
list_T *l;
long i = 0;