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vim-patch:8.1.0455: checking for empty quickfix stack is not consistent

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Problem:    Checking for empty quickfix stack is not consistent.
Solution:   Use qf_stack_empty(). (Yegappan Lakshmanan)
019dfe6855
This commit is contained in:
Jan Edmund Lazo
2019-10-20 21:21:56 -04:00
parent aa8f059397
commit 8daefa348e
1 changed files with 25 additions and 19 deletions
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44
src/nvim/quickfix.c
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@@ -784,6 +784,13 @@ static int qf_get_nextline(qfstate_T *state)
return QF_OK;
}
// Returns true if the specified quickfix/location stack is empty
static bool qf_stack_empty(const qf_info_T *qi)
FUNC_ATTR_PURE FUNC_ATTR_WARN_UNUSED_RESULT
{
return qi == NULL || qi->qf_listcount <= 0;
}
// Returns true if the specified quickfix/location list is empty.
static bool qf_list_empty(const qf_info_T *qi, int qf_idx)
FUNC_ATTR_PURE FUNC_ATTR_WARN_UNUSED_RESULT
@@ -2537,8 +2544,7 @@ void qf_jump(qf_info_T *qi, int dir, int errornr, int forceit)
if (qi == NULL)
qi = &ql_info;
if (qi->qf_curlist >= qi->qf_listcount
|| qi->qf_lists[qi->qf_curlist].qf_count == 0) {
if (qf_stack_empty(qi) || qf_list_empty(qi, qi->qf_curlist)) {
EMSG(_(e_quickfix));
return;
}
@@ -2673,8 +2679,7 @@ void qf_list(exarg_T *eap)
}
}
if (qi->qf_curlist >= qi->qf_listcount
|| qi->qf_lists[qi->qf_curlist].qf_count == 0) {
if (qf_stack_empty(qi) || qf_list_empty(qi, qi->qf_curlist)) {
EMSG(_(e_quickfix));
return;
}
@@ -2916,8 +2921,7 @@ void qf_history(exarg_T *eap)
if (is_loclist_cmd(eap->cmdidx)) {
qi = GET_LOC_LIST(curwin);
}
if (qi == NULL || (qi->qf_listcount == 0
&& qi->qf_lists[qi->qf_curlist].qf_count == 0)) {
if (qf_stack_empty(qi) || qf_list_empty(qi, qi->qf_curlist)) {
MSG(_("No entries"));
} else {
for (i = 0; i < qi->qf_listcount; i++) {
@@ -3129,14 +3133,16 @@ void ex_cwindow(exarg_T *eap)
* close the window. If a quickfix window is not open, then open
* it if we have errors; otherwise, leave it closed.
*/
if (qi->qf_lists[qi->qf_curlist].qf_nonevalid
|| qi->qf_lists[qi->qf_curlist].qf_count == 0
|| qi->qf_curlist >= qi->qf_listcount) {
if (win != NULL)
if (qf_stack_empty(qi)
|| qi->qf_lists[qi->qf_curlist].qf_nonevalid
|| qf_list_empty(qi, qi->qf_curlist)) {
if (win != NULL) {
ex_cclose(eap);
} else if (win == NULL)
}
} else if (win == NULL) {
ex_copen(eap);
}
}
/*
* ":cclose": close the window showing the list of errors.
@@ -3588,8 +3594,8 @@ static void qf_fill_buffer(qf_info_T *qi, buf_T *buf, qfline_T *old_last)
}
}
/* Check if there is anything to display */
if (qi->qf_curlist < qi->qf_listcount) {
// Check if there is anything to display
if (!qf_stack_empty(qi)) {
char_u dirname[MAXPATHL];
*dirname = NUL;
@@ -4460,7 +4466,7 @@ void ex_vimgrep(exarg_T *eap)
if ((eap->cmdidx != CMD_grepadd && eap->cmdidx != CMD_lgrepadd
&& eap->cmdidx != CMD_vimgrepadd && eap->cmdidx != CMD_lvimgrepadd)
|| qi->qf_curlist == qi->qf_listcount) {
|| qf_stack_empty(qi)) {
// make place for a new list
qf_new_list(qi, title);
}
@@ -5153,12 +5159,12 @@ int qf_get_properties(win_T *wp, dict_T *what, dict_T *retdict)
const int flags = qf_getprop_keys2flags(what, wp != NULL);
if (qi != NULL && qi->qf_listcount != 0) {
if (!qf_stack_empty(qi)) {
qf_idx = qf_getprop_qfidx(qi, what);
}
// List is not present or is empty
if (qi == NULL || qi->qf_listcount == 0 || qf_idx == INVALID_QFIDX) {
if (qf_stack_empty(qi) || qf_idx == INVALID_QFIDX) {
return qf_getprop_defaults(qi, flags, retdict);
}
@@ -5350,7 +5356,7 @@ static int qf_setprop_get_qfidx(
// non-available list and add the new list at the end of the
// stack.
*newlist = true;
qf_idx = qi->qf_listcount > 0 ? qi->qf_listcount - 1 : 0;
qf_idx = qf_stack_empty(qi) ? 0 : qi->qf_listcount - 1;
} else if (qf_idx < 0 || qf_idx >= qi->qf_listcount) {
return INVALID_QFIDX;
} else if (action != ' ') {
@@ -5358,7 +5364,7 @@ static int qf_setprop_get_qfidx(
}
} else if (di->di_tv.v_type == VAR_STRING
&& strequal((const char *)di->di_tv.vval.v_string, "$")) {
if (qi->qf_listcount > 0) {
if (!qf_stack_empty(qi)) {
qf_idx = qi->qf_listcount - 1;
} else if (*newlist) {
qf_idx = 0;
@@ -5477,7 +5483,7 @@ static int qf_set_properties(qf_info_T *qi, const dict_T *what, int action,
{
dictitem_T *di;
int retval = FAIL;
bool newlist = action == ' ' || qi->qf_curlist == qi->qf_listcount;
bool newlist = action == ' ' || qf_stack_empty(qi);
int qf_idx = qf_setprop_get_qfidx(qi, what, action, &newlist);
if (qf_idx == INVALID_QFIDX) { // List not found
return FAIL;