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*: Remove most calls to tv_list_item_alloc

Browse Source 
Still left calls in eval/typval.c and test/unit/eval/helpers.lua. Latter is the 
only reason why function did not receive `static` modifier.
This commit is contained in:
ZyX
2017-12-24 01:43:42 +03:00
parent 249bdb07dd
commit 0c533a488f
6 changed files with 179 additions and 116 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
src/nvim/api/private/helpers.c
View File

@@ -787,16 +787,14 @@ bool object_to_vim(Object obj, typval_T *tv, Error *err)
for (uint32_t i = 0; i < obj.data.array.size; i++) {
Object item = obj.data.array.items[i];
listitem_T *li = tv_list_item_alloc();
typval_T li_tv;
if (!object_to_vim(item, TV_LIST_ITEM_TV(li), err)) {
// cleanup
tv_list_item_free(li);
if (!object_to_vim(item, &li_tv, err)) {
tv_list_free(list);
return false;
}
tv_list_append(list, li);
tv_list_append_owned_tv(list, li_tv);
}
tv_list_ref(list);

75
src/nvim/eval.c
View File

@@ -4874,8 +4874,6 @@ void partial_unref(partial_T *pt)
static int get_list_tv(char_u **arg, typval_T *rettv, int evaluate)
{
list_T *l = NULL;
typval_T tv;
listitem_T *item;
if (evaluate) {
l = tv_list_alloc();
@@ -4883,13 +4881,13 @@ static int get_list_tv(char_u **arg, typval_T *rettv, int evaluate)
*arg = skipwhite(*arg + 1);
while (**arg != ']' && **arg != NUL) {
if (eval1(arg, &tv, evaluate) == FAIL) /* recursive! */
typval_T tv;
if (eval1(arg, &tv, evaluate) == FAIL) { // Recursive!
goto failret;
}
if (evaluate) {
item = tv_list_item_alloc();
*TV_LIST_ITEM_TV(item) = tv;
TV_LIST_ITEM_TV(item)->v_lock = VAR_UNLOCKED;
tv_list_append(l, item);
tv.v_lock = VAR_UNLOCKED;
tv_list_append_owned_tv(l, tv);
}
if (**arg == ']') {
@@ -11441,40 +11439,38 @@ static void dict_list(typval_T *const tv, typval_T *const rettv,
tv_list_alloc_ret(rettv);
TV_DICT_ITER(tv->vval.v_dict, di, {
listitem_T *const li = tv_list_item_alloc();
tv_list_append(rettv->vval.v_list, li);
typval_T tv = { .v_lock = VAR_UNLOCKED };
switch (what) {
case kDictListKeys: {
TV_LIST_ITEM_TV(li)->v_type = VAR_STRING;
TV_LIST_ITEM_TV(li)->v_lock = VAR_UNLOCKED;
TV_LIST_ITEM_TV(li)->vval.v_string = vim_strsave(di->di_key);
tv.v_type = VAR_STRING;
tv.vval.v_string = vim_strsave(di->di_key);
break;
}
case kDictListValues: {
tv_copy(&di->di_tv, TV_LIST_ITEM_TV(li));
tv_copy(&di->di_tv, &tv);
break;
}
case kDictListItems: {
// items()
list_T *const sub_l = tv_list_alloc();
TV_LIST_ITEM_TV(li)->v_type = VAR_LIST;
TV_LIST_ITEM_TV(li)->v_lock = VAR_UNLOCKED;
TV_LIST_ITEM_TV(li)->vval.v_list = sub_l;
tv.v_type = VAR_LIST;
tv.vval.v_list = sub_l;
tv_list_ref(sub_l);
listitem_T *sub_li = tv_list_item_alloc();
tv_list_append(sub_l, sub_li);
TV_LIST_ITEM_TV(sub_li)->v_type = VAR_STRING;
TV_LIST_ITEM_TV(sub_li)->v_lock = VAR_UNLOCKED;
TV_LIST_ITEM_TV(sub_li)->vval.v_string = vim_strsave(di->di_key);
tv_list_append_owned_tv(sub_l, (typval_T) {
.v_type = VAR_STRING,
.v_lock = VAR_UNLOCKED,
.vval.v_string = (char_u *)xstrdup((const char *)di->di_key),
});
tv_list_append_tv(sub_l, &di->di_tv);
sub_li = tv_list_item_alloc();
tv_list_append(sub_l, sub_li);
tv_copy(&di->di_tv, TV_LIST_ITEM_TV(sub_li));
break;
}
}
tv_list_append_owned_tv(rettv->vval.v_list, tv);
});
}
@@ -12762,13 +12758,12 @@ static void f_msgpackparse(typval_T *argvars, typval_T *rettv, FunPtr fptr)
goto f_msgpackparse_exit;
}
if (result == MSGPACK_UNPACK_SUCCESS) {
listitem_T *li = tv_list_item_alloc();
TV_LIST_ITEM_TV(li)->v_type = VAR_UNKNOWN;
tv_list_append(ret_list, li);
if (msgpack_to_vim(unpacked.data, TV_LIST_ITEM_TV(li)) == FAIL) {
typval_T tv = { .v_type = VAR_UNKNOWN };
if (msgpack_to_vim(unpacked.data, &tv) == FAIL) {
EMSG2(_(e_invarg2), "Failed to convert msgpack string");
goto f_msgpackparse_exit;
}
tv_list_append_owned_tv(ret_list, tv);
}
if (result == MSGPACK_UNPACK_CONTINUE) {
if (rlret == OK) {
@@ -13030,7 +13025,6 @@ static void f_readfile(typval_T *argvars, typval_T *rettv, FunPtr fptr)
p < buf + readlen || (readlen <= 0 && (prevlen > 0 || binary));
++p) {
if (*p == '\n' || readlen <= 0) {
listitem_T *li;
char_u *s = NULL;
size_t len = p - start;
@@ -13057,11 +13051,11 @@ static void f_readfile(typval_T *argvars, typval_T *rettv, FunPtr fptr)
prevlen = prevsize = 0;
}
li = tv_list_item_alloc();
TV_LIST_ITEM_TV(li)->v_type = VAR_STRING;
TV_LIST_ITEM_TV(li)->v_lock = VAR_UNLOCKED;
TV_LIST_ITEM_TV(li)->vval.v_string = s;
tv_list_append(rettv->vval.v_list, li);
tv_list_append_owned_tv(rettv->vval.v_list, (typval_T) {
.v_type = VAR_STRING,
.v_lock = VAR_UNLOCKED,
.vval.v_string = s,
});
start = p + 1; /* step over newline */
if ((++cnt >= maxline && maxline >= 0) || readlen <= 0)
@@ -14310,11 +14304,7 @@ static void f_serverlist(typval_T *argvars, typval_T *rettv, FunPtr fptr)
// Copy addrs into a linked list.
list_T *l = tv_list_alloc_ret(rettv);
for (size_t i = 0; i < n; i++) {
listitem_T *li = tv_list_item_alloc();
TV_LIST_ITEM_TV(li)->v_type = VAR_STRING;
TV_LIST_ITEM_TV(li)->v_lock = VAR_UNLOCKED;
TV_LIST_ITEM_TV(li)->vval.v_string = (char_u *)addrs[i];
tv_list_append(l, li);
tv_list_append_allocated_string(l, addrs[i]);
}
xfree(addrs);
}
@@ -15619,12 +15609,7 @@ static void f_spellsuggest(typval_T *argvars, typval_T *rettv, FunPtr fptr)
for (int i = 0; i < ga.ga_len; i++) {
char *p = ((char **)ga.ga_data)[i];
listitem_T *const li = tv_list_item_alloc();
TV_LIST_ITEM_TV(li)->v_type = VAR_STRING;
TV_LIST_ITEM_TV(li)->v_lock = VAR_LOCKED;
TV_LIST_ITEM_TV(li)->vval.v_string = (char_u *)p;
tv_list_append(rettv->vval.v_list, li);
tv_list_append_allocated_string(rettv->vval.v_list, p);
}
ga_clear(&ga);
}

40
src/nvim/eval/decode.c
View File

@@ -127,9 +127,7 @@ static inline int json_decoder_pop(ValuesStackItem obj,
return FAIL;
}
assert(last_container.special_val == NULL);
listitem_T *obj_li = tv_list_item_alloc();
*TV_LIST_ITEM_TV(obj_li) = obj.val;
tv_list_append(last_container.container.vval.v_list, obj_li);
tv_list_append_owned_tv(last_container.container.vval.v_list, obj.val);
} else if (last_container.stack_index == kv_size(*stack) - 2) {
if (!obj.didcolon) {
EMSG2(_("E474: Expected colon before dictionary value: %s"),
@@ -154,12 +152,8 @@ static inline int json_decoder_pop(ValuesStackItem obj,
} else {
list_T *const kv_pair = tv_list_alloc();
tv_list_append_list(last_container.special_val, kv_pair);
listitem_T *const key_li = tv_list_item_alloc();
*TV_LIST_ITEM_TV(key_li) = key.val;
tv_list_append(kv_pair, key_li);
listitem_T *const val_li = tv_list_item_alloc();
*TV_LIST_ITEM_TV(val_li) = obj.val;
tv_list_append(kv_pair, val_li);
tv_list_append_owned_tv(kv_pair, key.val);
tv_list_append_owned_tv(kv_pair, obj.val);
}
} else {
// Object with key only
@@ -1047,10 +1041,10 @@ int msgpack_to_vim(const msgpack_object mobj, typval_T *const rettv)
.vval = { .v_list = list },
};
for (size_t i = 0; i < mobj.via.array.size; i++) {
listitem_T *const li = tv_list_item_alloc();
TV_LIST_ITEM_TV(li)->v_type = VAR_UNKNOWN;
tv_list_append(list, li);
if (msgpack_to_vim(mobj.via.array.ptr[i], TV_LIST_ITEM_TV(li))
// Not populated yet, need to create list item to push.
tv_list_append_owned_tv(list, (typval_T) { .v_type = VAR_UNKNOWN });
if (msgpack_to_vim(mobj.via.array.ptr[i],
TV_LIST_ITEM_TV(tv_list_last(list)))
== FAIL) {
return FAIL;
}
@@ -1095,20 +1089,20 @@ msgpack_to_vim_generic_map: {}
for (size_t i = 0; i < mobj.via.map.size; i++) {
list_T *const kv_pair = tv_list_alloc();
tv_list_append_list(list, kv_pair);
listitem_T *const key_li = tv_list_item_alloc();
TV_LIST_ITEM_TV(key_li)->v_type = VAR_UNKNOWN;
tv_list_append(kv_pair, key_li);
listitem_T *const val_li = tv_list_item_alloc();
TV_LIST_ITEM_TV(val_li)->v_type = VAR_UNKNOWN;
tv_list_append(kv_pair, val_li);
if (msgpack_to_vim(mobj.via.map.ptr[i].key, TV_LIST_ITEM_TV(key_li))
== FAIL) {
typval_T key_tv = { .v_type = VAR_UNKNOWN };
if (msgpack_to_vim(mobj.via.map.ptr[i].key, &key_tv) == FAIL) {
tv_clear(&key_tv);
return FAIL;
}
if (msgpack_to_vim(mobj.via.map.ptr[i].val, TV_LIST_ITEM_TV(val_li))
== FAIL) {
tv_list_append_owned_tv(kv_pair, key_tv);
typval_T val_tv = { .v_type = VAR_UNKNOWN };
if (msgpack_to_vim(mobj.via.map.ptr[i].val, &val_tv) == FAIL) {
tv_clear(&val_tv);
return FAIL;
}
tv_list_append_owned_tv(kv_pair, val_tv);
}
break;
}

76
src/nvim/eval/typval.c
View File

@@ -393,19 +393,30 @@ void tv_list_append_tv(list_T *const l, typval_T *const tv)
tv_list_append(l, li);
}
/// Like tv_list_append_tv(), but tv is moved to a list
///
/// This means that it is no longer valid to use contents of the typval_T after
/// function exits.
void tv_list_append_owned_tv(list_T *const l, typval_T tv)
FUNC_ATTR_NONNULL_ALL
{
listitem_T *const li = tv_list_item_alloc();
*TV_LIST_ITEM_TV(li) = tv;
tv_list_append(l, li);
}
/// Append a list to a list as one item
///
/// @param[out] l List to append to.
/// @param[in,out] itemlist List to append. Reference count is increased.
void tv_list_append_list(list_T *const list, list_T *const itemlist)
void tv_list_append_list(list_T *const l, list_T *const itemlist)
FUNC_ATTR_NONNULL_ARG(1)
{
listitem_T *const li = tv_list_item_alloc();
TV_LIST_ITEM_TV(li)->v_type = VAR_LIST;
TV_LIST_ITEM_TV(li)->v_lock = VAR_UNLOCKED;
TV_LIST_ITEM_TV(li)->vval.v_list = itemlist;
tv_list_append(list, li);
tv_list_append_owned_tv(l, (typval_T) {
.v_type = VAR_LIST,
.v_lock = VAR_UNLOCKED,
.vval.v_list = itemlist,
});
tv_list_ref(itemlist);
}
@@ -413,15 +424,14 @@ void tv_list_append_list(list_T *const list, list_T *const itemlist)
///
/// @param[out] l List to append to.
/// @param[in,out] dict Dictionary to append. Reference count is increased.
void tv_list_append_dict(list_T *const list, dict_T *const dict)
void tv_list_append_dict(list_T *const l, dict_T *const dict)
FUNC_ATTR_NONNULL_ARG(1)
{
listitem_T *const li = tv_list_item_alloc();
TV_LIST_ITEM_TV(li)->v_type = VAR_DICT;
TV_LIST_ITEM_TV(li)->v_lock = VAR_UNLOCKED;
TV_LIST_ITEM_TV(li)->vval.v_dict = dict;
tv_list_append(list, li);
tv_list_append_owned_tv(l, (typval_T) {
.v_type = VAR_DICT,
.v_lock = VAR_UNLOCKED,
.vval.v_dict = dict,
});
if (dict != NULL) {
dict->dv_refcount++;
}
@@ -438,14 +448,15 @@ void tv_list_append_string(list_T *const l, const char *const str,
const ssize_t len)
FUNC_ATTR_NONNULL_ARG(1)
{
if (str == NULL) {
assert(len == 0 || len == -1);
tv_list_append_allocated_string(l, NULL);
} else {
tv_list_append_allocated_string(l, (len >= 0
? xmemdupz(str, (size_t)len)
: xstrdup(str)));
}
tv_list_append_owned_tv(l, (typval_T) {
.v_type = VAR_STRING,
.v_lock = VAR_UNLOCKED,
.vval.v_string = (str == NULL
? NULL
: (len >= 0
? xmemdupz(str, (size_t)len)
: xstrdup(str))),
});
}
/// Append given string to the list
@@ -457,12 +468,11 @@ void tv_list_append_string(list_T *const l, const char *const str,
void tv_list_append_allocated_string(list_T *const l, char *const str)
FUNC_ATTR_NONNULL_ARG(1)
{
listitem_T *const li = tv_list_item_alloc();
tv_list_append(l, li);
TV_LIST_ITEM_TV(li)->v_type = VAR_STRING;
TV_LIST_ITEM_TV(li)->v_lock = VAR_UNLOCKED;
TV_LIST_ITEM_TV(li)->vval.v_string = (char_u *)str;
tv_list_append_owned_tv(l, (typval_T) {
.v_type = VAR_STRING,
.v_lock = VAR_UNLOCKED,
.vval.v_string = (char_u *)str,
});
}
/// Append number to the list
@@ -472,11 +482,11 @@ void tv_list_append_allocated_string(list_T *const l, char *const str)
/// listitem_T.
void tv_list_append_number(list_T *const l, const varnumber_T n)
{
listitem_T *const li = tv_list_item_alloc();
TV_LIST_ITEM_TV(li)->v_type = VAR_NUMBER;
TV_LIST_ITEM_TV(li)->v_lock = VAR_UNLOCKED;
TV_LIST_ITEM_TV(li)->vval.v_number = n;
tv_list_append(l, li);
tv_list_append_owned_tv(l, (typval_T) {
.v_type = VAR_NUMBER,
.v_lock = VAR_UNLOCKED,
.vval.v_number = n,
});
}
//{{{2 Operations on the whole list

36
src/nvim/lua/converter.c
View File

@@ -212,19 +212,27 @@ bool nlua_pop_typval(lua_State *lstate, typval_T *ret_tv)
const char *s = lua_tolstring(lstate, -2, &len);
if (cur.special) {
list_T *const kv_pair = tv_list_alloc();
tv_list_append_list(cur.tv->vval.v_list, kv_pair);
listitem_T *const key = tv_list_item_alloc();
*TV_LIST_ITEM_TV(key) = decode_string(s, len, kTrue, false, false);
tv_list_append(kv_pair, key);
if (TV_LIST_ITEM_TV(key)->v_type == VAR_UNKNOWN) {
typval_T s_tv = decode_string(s, len, kTrue, false, false);
if (s_tv.v_type == VAR_UNKNOWN) {
ret = false;
tv_list_unref(kv_pair);
continue;
}
listitem_T *const val = tv_list_item_alloc();
tv_list_append(kv_pair, val);
tv_list_append_owned_tv(kv_pair, s_tv);
// Value: not populated yet, need to create list item to push.
tv_list_append_owned_tv(kv_pair, (typval_T) {
.v_type = VAR_UNKNOWN,
});
kv_push(stack, cur);
cur = (TVPopStackItem) { TV_LIST_ITEM_TV(val), false, false, 0 };
cur = (TVPopStackItem) {
.tv = TV_LIST_ITEM_TV(tv_list_last(kv_pair)),
.container = false,
.special = false,
.idx = 0,
};
} else {
dictitem_T *const di = tv_dict_item_alloc_len(s, len);
if (tv_dict_add(cur.tv->vval.v_dict, di) == FAIL) {
@@ -244,10 +252,18 @@ bool nlua_pop_typval(lua_State *lstate, typval_T *ret_tv)
lua_pop(lstate, 2);
continue;
}
listitem_T *const li = tv_list_item_alloc();
tv_list_append(cur.tv->vval.v_list, li);
// Not populated yet, need to create list item to push.
tv_list_append_owned_tv(cur.tv->vval.v_list, (typval_T) {
.v_type = VAR_UNKNOWN,
});
kv_push(stack, cur);
cur = (TVPopStackItem) { TV_LIST_ITEM_TV(li), false, false, 0 };
// TODO(ZyX-I): Use indexes, here list item *will* be reallocated.
cur = (TVPopStackItem) {
.tv = TV_LIST_ITEM_TV(tv_list_last(cur.tv->vval.v_list)),
.container = false,
.special = false,
.idx = 0,
};
}
}
assert(!cur.container);

60
test/unit/eval/typval_spec.lua
View File

@@ -678,6 +678,66 @@ describe('typval.c', function()
eq({int(-100500), int(100500)}, typvalt2lua(l_tv))
end)
end)
describe('tv()', function()
itp('works', function()
local l_tv = lua2typvalt(empty_list)
local l = l_tv.vval.v_list
local l_l_tv = lua2typvalt(empty_list)
alloc_log:clear()
local l_l = l_l_tv.vval.v_list
eq(1, l_l.lv_refcount)
lib.tv_list_append_tv(l, l_l_tv)
eq(2, l_l.lv_refcount)
eq(l_l, l.lv_first.li_tv.vval.v_list)
alloc_log:check({
a.li(l.lv_first),
})
local l_s_tv = lua2typvalt('test')
alloc_log:check({
a.str(l_s_tv.vval.v_string, 'test'),
})
lib.tv_list_append_tv(l, l_s_tv)
alloc_log:check({
a.li(l.lv_last),
a.str(l.lv_last.li_tv.vval.v_string, 'test'),
})
eq({empty_list, 'test'}, typvalt2lua(l_tv))
end)
end)
describe('owned tv()', function()
itp('works', function()
local l_tv = lua2typvalt(empty_list)
local l = l_tv.vval.v_list
local l_l_tv = lua2typvalt(empty_list)
alloc_log:clear()
local l_l = l_l_tv.vval.v_list
eq(1, l_l.lv_refcount)
lib.tv_list_append_owned_tv(l, l_l_tv)
eq(1, l_l.lv_refcount)
l_l.lv_refcount = l_l.lv_refcount + 1
eq(l_l, l.lv_first.li_tv.vval.v_list)
alloc_log:check({
a.li(l.lv_first),
})
local l_s_tv = ffi.gc(lua2typvalt('test'), nil)
alloc_log:check({
a.str(l_s_tv.vval.v_string, 'test'),
})
lib.tv_list_append_owned_tv(l, l_s_tv)
eq(l_s_tv.vval.v_string, l.lv_last.li_tv.vval.v_string)
l_s_tv.vval.v_string = nil
alloc_log:check({
a.li(l.lv_last),
})
eq({empty_list, 'test'}, typvalt2lua(l_tv))
end)
end)
end)
describe('copy()', function()
local function tv_list_copy(...)