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vim-patch:8.0.1727: qf_get_properties() function is too long

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Problem:    qf_get_properties() function is too long.
Solution:   Refactor the code. (Yegappan Lakshmanan)

353eeeaca2
This commit is contained in:
Marco Hinz
2019-05-03 11:58:30 +02:00
parent ced3598a96
commit ce0e083094
1 changed files with 162 additions and 105 deletions
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157
src/nvim/quickfix.c
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@@ -4345,7 +4345,8 @@ enum {
QF_GETLIST_ALL = 0x1FF
};
// Parse text from 'di' and return the quickfix list items
/// Parse text from 'di' and return the quickfix list items.
/// Existing quickfix lists are not modified.
static int qf_get_list_from_lines(dict_T *what, dictitem_T *di, dict_T *retdict)
{
int status = FAIL;
@@ -4410,22 +4411,9 @@ static int qf_winid(qf_info_T *qi)
return 0;
}
/// Return quickfix/location list details (title) as a
/// dictionary. 'what' contains the details to return. If 'list_idx' is -1,
/// then current list is used. Otherwise the specified list is used.
int qf_get_properties(win_T *wp, dict_T *what, dict_T *retdict)
/// Convert the keys in 'what' to quickfix list property flags.
static int qf_getprop_keys2flags(dict_T *what)
{
qf_info_T *qi = &ql_info;
dictitem_T *di;
if ((di = tv_dict_find(what, S_LEN("lines"))) != NULL) {
return qf_get_list_from_lines(what, di, retdict);
}
if (wp != NULL) {
qi = GET_LOC_LIST(wp);
}
int flags = QF_GETLIST_NONE;
if (tv_dict_find(what, S_LEN("all")) != NULL) {
@@ -4459,10 +4447,23 @@ int qf_get_properties(win_T *wp, dict_T *what, dict_T *retdict)
flags |= QF_GETLIST_TICK;
}
int qf_idx;
return flags;
}
if (qi != NULL && qi->qf_listcount != 0) {
qf_idx = qi->qf_curlist; // default is the current list
/// Return the quickfix list index based on 'nr' or 'id' in 'what'.
///
/// If 'nr' and 'id' are not present in 'what' then return the current
/// quickfix list index.
/// If 'nr' is zero then return the current quickfix list index.
/// If 'nr' is '$' then return the last quickfix list index.
/// If 'id' is present then return the index of the quickfix list with that id.
/// If 'id' is zero then return the quickfix list index specified by 'nr'.
/// Return -1, if quickfix list is not present or if the stack is empty.
static int qf_getprop_qfidx(qf_info_T *qi, dict_T *what)
{
dictitem_T *di = NULL;
int qf_idx = qi->qf_curlist; // default is the current list
if ((di = tv_dict_find(what, S_LEN("nr"))) != NULL) {
// Use the specified quickfix/location list
if (di->di_tv.v_type == VAR_NUMBER) {
@@ -4480,7 +4481,6 @@ int qf_get_properties(win_T *wp, dict_T *what, dict_T *retdict)
} else {
qf_idx = -1;
}
flags |= QF_GETLIST_NR;
}
if ((di = tv_dict_find(what, S_LEN("id"))) != NULL) {
@@ -4490,17 +4490,19 @@ int qf_get_properties(win_T *wp, dict_T *what, dict_T *retdict)
if (di->di_tv.vval.v_number != 0) {
qf_idx = qf_id2nr(qi, (unsigned)di->di_tv.vval.v_number);
}
flags |= QF_GETLIST_ID;
} else {
qf_idx = -1;
}
}
}
return qf_idx;
}
/// Return default values for quickfix list properties in retdict.
static int qf_getprop_defaults(qf_info_T *qi, int flags, dict_T *retdict)
{
int status = OK;
// List is not present or is empty
if (qi == NULL || qi->qf_listcount == 0 || qf_idx == -1) {
if (flags & QF_GETLIST_TITLE) {
status = tv_dict_add_str(retdict, S_LEN("title"), (const char *)"");
}
@@ -4529,31 +4531,37 @@ int qf_get_properties(win_T *wp, dict_T *what, dict_T *retdict)
if ((status == OK) && (flags & QF_GETLIST_TICK)) {
status = tv_dict_add_nr(retdict, S_LEN("changedtick"), 0);
}
return status;
}
if (flags & QF_GETLIST_TITLE) {
return status;
}
/// Return the quickfix list title as 'title' in retdict
static int qf_getprop_title(qf_info_T *qi, int qf_idx, dict_T *retdict)
{
char_u *t = qi->qf_lists[qf_idx].qf_title;
if (t == NULL) {
t = (char_u *)"";
}
status = tv_dict_add_str(retdict, S_LEN("title"), (const char *)t);
}
if ((status == OK) && (flags & QF_GETLIST_NR)) {
status = tv_dict_add_nr(retdict, S_LEN("nr"), qf_idx + 1);
}
if ((status == OK) && (flags & QF_GETLIST_WINID)) {
status = tv_dict_add_nr(retdict, S_LEN("winid"), qf_winid(qi));
}
if ((status == OK) && (flags & QF_GETLIST_ITEMS)) {
list_T *l = tv_list_alloc(kListLenMayKnow);
(void)get_errorlist(qi, NULL, qf_idx, l);
tv_dict_add_list(retdict, S_LEN("items"), l);
}
return tv_dict_add_str(retdict, S_LEN("title"), (const char *)t);
}
/// Return the quickfix list items/entries as 'items' in retdict
static int qf_getprop_items(qf_info_T *qi, int qf_idx, dict_T *retdict)
{
list_T *l = tv_list_alloc(kListLenMayKnow);
get_errorlist(qi, NULL, qf_idx, l);
tv_dict_add_list(retdict, S_LEN("items"), l);
return OK;
}
/// Return the quickfix list context (if any) as 'context' in retdict.
static int qf_getprop_ctx(qf_info_T *qi, int qf_idx, dict_T *retdict)
{
int status;
if ((status == OK) && (flags & QF_GETLIST_CONTEXT)) {
if (qi->qf_lists[qf_idx].qf_ctx != NULL) {
di = tv_dict_item_alloc_len(S_LEN("context"));
dictitem_T *di = tv_dict_item_alloc_len(S_LEN("context"));
tv_copy(qi->qf_lists[qf_idx].qf_ctx, &di->di_tv);
status = tv_dict_add(retdict, di);
if (status == FAIL) {
@@ -4562,26 +4570,75 @@ int qf_get_properties(win_T *wp, dict_T *what, dict_T *retdict)
} else {
status = tv_dict_add_str(retdict, S_LEN("context"), "");
}
}
if ((status == OK) && (flags & QF_GETLIST_ID)) {
status = tv_dict_add_nr(retdict, S_LEN("id"), qi->qf_lists[qf_idx].qf_id);
}
return status;
}
if ((status == OK) && (flags & QF_GETLIST_IDX)) {
/// Return the quickfix list index as 'idx' in retdict
static int qf_getprop_idx(qf_info_T *qi, int qf_idx, dict_T *retdict)
{
int idx = qi->qf_lists[qf_idx].qf_index;
if (qi->qf_lists[qf_idx].qf_count == 0) {
// For empty lists, qf_index is set to 1
idx = 0;
}
status = tv_dict_add_nr(retdict, S_LEN("idx"), idx);
return tv_dict_add_nr(retdict, S_LEN("idx"), idx);
}
/// Return quickfix/location list details (title) as a dictionary.
/// 'what' contains the details to return. If 'list_idx' is -1,
/// then current list is used. Otherwise the specified list is used.
int qf_get_properties(win_T *wp, dict_T *what, dict_T *retdict)
{
qf_info_T *qi = &ql_info;
dictitem_T *di = NULL;
int status = OK;
int qf_idx;
if ((di = tv_dict_find(what, S_LEN("lines"))) != NULL) {
return qf_get_list_from_lines(what, di, retdict);
}
if (wp != NULL) {
qi = GET_LOC_LIST(wp);
}
int flags = qf_getprop_keys2flags(what);
if (qi != NULL && qi->qf_listcount != 0) {
qf_idx = qf_getprop_qfidx(qi, what);
}
// List is not present or is empty
if (qi == NULL || qi->qf_listcount == 0 || qf_idx == -1) {
return qf_getprop_defaults(qi, flags, retdict);
}
if (flags & QF_GETLIST_TITLE) {
status = qf_getprop_title(qi, qf_idx, retdict);
}
if ((status == OK) && (flags & QF_GETLIST_NR)) {
status = tv_dict_add_nr(retdict, S_LEN("nr"), qf_idx + 1);
}
if ((status == OK) && (flags & QF_GETLIST_WINID)) {
status = tv_dict_add_nr(retdict, S_LEN("winid"), qf_winid(qi));
}
if ((status == OK) && (flags & QF_GETLIST_ITEMS)) {
status = qf_getprop_items(qi, qf_idx, retdict);
}
if ((status == OK) && (flags & QF_GETLIST_CONTEXT)) {
status = qf_getprop_ctx(qi, qf_idx, retdict);
}
if ((status == OK) && (flags & QF_GETLIST_ID)) {
status = tv_dict_add_nr(retdict, S_LEN("id"), qi->qf_lists[qf_idx].qf_id);
}
if ((status == OK) && (flags & QF_GETLIST_IDX)) {
status = qf_getprop_idx(qi, qf_idx, retdict);
}
if ((status == OK) && (flags & QF_GETLIST_SIZE)) {
status = tv_dict_add_nr(retdict, S_LEN("size"),
qi->qf_lists[qf_idx].qf_count);
}
if ((status == OK) && (flags & QF_GETLIST_TICK)) {
status = tv_dict_add_nr(retdict, S_LEN("changedtick"),
qi->qf_lists[qf_idx].qf_changedtick);
@@ -4931,7 +4988,7 @@ static bool mark_quickfix_ctx(qf_info_T *qi, int copyID)
}
/// Mark the context of the quickfix list and the location lists (if present) as
/// "in use". So that garabage collection doesn't free the context.
/// "in use". So that garbage collection doesn't free the context.
bool set_ref_in_quickfix(int copyID)
{
bool abort = mark_quickfix_ctx(&ql_info, copyID);