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*: Provide list length when allocating lists

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This commit is contained in:
ZyX
2018-01-03 00:00:16 +03:00
parent 9ddeb6e187
commit 9ea1752d60
19 changed files with 223 additions and 202 deletions
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32
src/nvim/eval/decode.c
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@@ -150,7 +150,7 @@ static inline int json_decoder_pop(ValuesStackItem obj,
}
obj_di->di_tv = obj.val;
} else {
list_T *const kv_pair = tv_list_alloc();
list_T *const kv_pair = tv_list_alloc(2);
tv_list_append_list(last_container.special_val, kv_pair);
tv_list_append_owned_tv(kv_pair, key.val);
tv_list_append_owned_tv(kv_pair, obj.val);
@@ -221,13 +221,18 @@ static inline int json_decoder_pop(ValuesStackItem obj,
/// Create a new special dictionary that ought to represent a MAP
///
/// @param[out] ret_tv Address where new special dictionary is saved.
/// @param[in] len Expected number of items to be populated before list
/// becomes accessible from VimL. It is still valid to
/// underpopulate a list, value only controls how many elements
/// will be allocated in advance. @see ListLenSpecials.
///
/// @return [allocated] list which should contain key-value pairs. Return value
/// may be safely ignored.
list_T *decode_create_map_special_dict(typval_T *const ret_tv)
list_T *decode_create_map_special_dict(typval_T *const ret_tv,
const ptrdiff_t len)
FUNC_ATTR_NONNULL_ALL
{
list_T *const list = tv_list_alloc();
list_T *const list = tv_list_alloc(len);
tv_list_ref(list);
create_special_dict(ret_tv, kMPMap, ((typval_T) {
.v_type = VAR_LIST,
@@ -263,7 +268,7 @@ typval_T decode_string(const char *const s, const size_t len,
? ((s != NULL) && (memchr(s, NUL, len) != NULL))
: (bool)hasnul);
if (really_hasnul) {
list_T *const list = tv_list_alloc();
list_T *const list = tv_list_alloc(kListLenMayKnow);
tv_list_ref(list);
typval_T tv;
create_special_dict(&tv, binary ? kMPBinary : kMPString, ((typval_T) {
@@ -843,7 +848,7 @@ json_decode_string_cycle_start:
break;
}
case '[': {
list_T *list = tv_list_alloc();
list_T *list = tv_list_alloc(kListLenMayKnow);
tv_list_ref(list);
typval_T tv = {
.v_type = VAR_LIST,
@@ -864,7 +869,7 @@ json_decode_string_cycle_start:
list_T *val_list = NULL;
if (next_map_special) {
next_map_special = false;
val_list = decode_create_map_special_dict(&tv);
val_list = decode_create_map_special_dict(&tv, kListLenMayKnow);
} else {
dict_T *dict = tv_dict_alloc();
dict->dv_refcount++;
@@ -964,7 +969,7 @@ int msgpack_to_vim(const msgpack_object mobj, typval_T *const rettv)
.vval = { .v_number = (varnumber_T) mobj.via.u64 },
};
} else {
list_T *const list = tv_list_alloc();
list_T *const list = tv_list_alloc(4);
tv_list_ref(list);
create_special_dict(rettv, kMPInteger, ((typval_T) {
.v_type = VAR_LIST,
@@ -987,7 +992,7 @@ int msgpack_to_vim(const msgpack_object mobj, typval_T *const rettv)
.vval = { .v_number = (varnumber_T) mobj.via.i64 },
};
} else {
list_T *const list = tv_list_alloc();
list_T *const list = tv_list_alloc(4);
tv_list_ref(list);
create_special_dict(rettv, kMPInteger, ((typval_T) {
.v_type = VAR_LIST,
@@ -1033,7 +1038,7 @@ int msgpack_to_vim(const msgpack_object mobj, typval_T *const rettv)
break;
}
case MSGPACK_OBJECT_ARRAY: {
list_T *const list = tv_list_alloc();
list_T *const list = tv_list_alloc((ptrdiff_t)mobj.via.array.size);
tv_list_ref(list);
*rettv = (typval_T) {
.v_type = VAR_LIST,
@@ -1085,9 +1090,10 @@ int msgpack_to_vim(const msgpack_object mobj, typval_T *const rettv)
}
break;
msgpack_to_vim_generic_map: {}
list_T *const list = decode_create_map_special_dict(rettv);
list_T *const list = decode_create_map_special_dict(
rettv, (ptrdiff_t)mobj.via.map.size);
for (size_t i = 0; i < mobj.via.map.size; i++) {
list_T *const kv_pair = tv_list_alloc();
list_T *const kv_pair = tv_list_alloc(2);
tv_list_append_list(list, kv_pair);
typval_T key_tv = { .v_type = VAR_UNKNOWN };
@@ -1107,10 +1113,10 @@ msgpack_to_vim_generic_map: {}
break;
}
case MSGPACK_OBJECT_EXT: {
list_T *const list = tv_list_alloc();
list_T *const list = tv_list_alloc(2);
tv_list_ref(list);
tv_list_append_number(list, mobj.via.ext.type);
list_T *const ext_val_list = tv_list_alloc();
list_T *const ext_val_list = tv_list_alloc(kListLenMayKnow);
tv_list_append_list(list, ext_val_list);
create_special_dict(rettv, kMPExt, ((typval_T) {
.v_type = VAR_LIST,