aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--src/nvim/api/private/helpers.c2
-rw-r--r--src/nvim/eval.c215
-rw-r--r--src/nvim/eval/typval.c86
-rw-r--r--src/nvim/move.PVS-Studio.cfg10
-rw-r--r--src/nvim/shada.c2
-rw-r--r--test/unit/eval/helpers.lua4
6 files changed, 178 insertions, 141 deletions
diff --git a/src/nvim/api/private/helpers.c b/src/nvim/api/private/helpers.c
index 2c8a56cc1a..b245132ba7 100644
--- a/src/nvim/api/private/helpers.c
+++ b/src/nvim/api/private/helpers.c
@@ -179,7 +179,7 @@ Object dict_set_var(dict_T *dict, String key, Object value, bool del,
}
// Update the value
- copy_tv(&tv, &di->di_tv);
+ tv_copy(&tv, &di->di_tv);
// Clear the temporary variable
tv_clear(&tv);
}
diff --git a/src/nvim/eval.c b/src/nvim/eval.c
index c96abfa149..a2b6d12288 100644
--- a/src/nvim/eval.c
+++ b/src/nvim/eval.c
@@ -494,6 +494,13 @@ typedef enum
ASSERT_OTHER,
} assert_type_T;
+/// Type for dict_list function
+typedef enum {
+ kDictListKeys, ///< List dictionary keys.
+ kDictListValues, ///< List dictionary values.
+ kDictListItems, ///< List dictionary contents: [keys, values].
+} DictListType;
+
#ifdef INCLUDE_GENERATED_DECLARATIONS
# include "eval.c.generated.h"
#endif
@@ -2412,7 +2419,7 @@ static void set_var_lval(lval_T *lp, char_u *endp, typval_T *rettv,
eexe_mod_op(&lp->ll_li->li_tv, &ri->li_tv, (const char *)op);
} else {
tv_clear(&lp->ll_li->li_tv);
- copy_tv(&ri->li_tv, &lp->ll_li->li_tv);
+ tv_copy(&ri->li_tv, &lp->ll_li->li_tv);
}
ri = ri->li_next;
if (ri == NULL || (!lp->ll_empty2 && lp->ll_n2 == lp->ll_n1))
@@ -2452,7 +2459,7 @@ static void set_var_lval(lval_T *lp, char_u *endp, typval_T *rettv,
lp->ll_tv = &di->di_tv;
} else {
if (watched) {
- copy_tv(lp->ll_tv, &oldtv);
+ tv_copy(lp->ll_tv, &oldtv);
}
if (op != NULL && *op != '=') {
@@ -2465,7 +2472,7 @@ static void set_var_lval(lval_T *lp, char_u *endp, typval_T *rettv,
// Assign the value to the variable or list item.
if (copy) {
- copy_tv(rettv, lp->ll_tv);
+ tv_copy(rettv, lp->ll_tv);
} else {
*lp->ll_tv = *rettv;
lp->ll_tv->v_lock = 0;
@@ -2926,7 +2933,7 @@ static int do_unlet_var(lval_T *const lp, char_u *const name_end, int forceit)
typval_T oldtv;
if (watched) {
- copy_tv(&di->di_tv, &oldtv);
+ tv_copy(&di->di_tv, &oldtv);
// need to save key because dictitem_remove will free it
key = xstrdup((char *)di->di_key);
}
@@ -2998,7 +3005,7 @@ int do_unlet(char_u *name, int forceit)
bool watched = tv_dict_is_watched(dict);
if (watched) {
- copy_tv(&di->di_tv, &oldtv);
+ tv_copy(&di->di_tv, &oldtv);
}
delete_var(ht, hi);
@@ -4532,7 +4539,7 @@ eval_index (
rettv->vval.v_list = l;
l->lv_refcount++;
} else {
- copy_tv(&tv_list_find(rettv->vval.v_list, n1)->li_tv, &var1);
+ tv_copy(&tv_list_find(rettv->vval.v_list, n1)->li_tv, &var1);
tv_clear(rettv);
*rettv = var1;
}
@@ -4570,7 +4577,7 @@ eval_index (
return FAIL;
}
- copy_tv(&item->di_tv, &var1);
+ tv_copy(&item->di_tv, &var1);
tv_clear(rettv);
*rettv = var1;
break;
@@ -6298,7 +6305,7 @@ call_func(
}
if (error == ERROR_NONE && partial->pt_argc > 0) {
for (argv_clear = 0; argv_clear < partial->pt_argc; argv_clear++) {
- copy_tv(&partial->pt_argv[argv_clear], &argv[argv_clear]);
+ tv_copy(&partial->pt_argv[argv_clear], &argv[argv_clear]);
}
for (int i = 0; i < argcount_in; i++) {
argv[i + argv_clear] = argvars_in[i];
@@ -6552,7 +6559,7 @@ static void f_add(typval_T *argvars, typval_T *rettv, FunPtr fptr)
if ((l = argvars[0].vval.v_list) != NULL
&& !tv_check_lock(l->lv_lock, arg_errmsg, arg_errmsg_len)) {
tv_list_append_tv(l, &argvars[1]);
- copy_tv(&argvars[0], rettv);
+ tv_copy(&argvars[0], rettv);
}
} else
EMSG(_(e_listreq));
@@ -7231,7 +7238,7 @@ int func_call(char_u *name, typval_T *args, partial_T *partial,
/* Make a copy of each argument. This is needed to be able to set
* v_lock to VAR_FIXED in the copy without changing the original list.
*/
- copy_tv(&item->li_tv, &argv[argc++]);
+ tv_copy(&item->li_tv, &argv[argc++]);
}
if (item == NULL) {
@@ -8190,7 +8197,7 @@ static void f_extend(typval_T *argvars, typval_T *rettv, FunPtr fptr)
item = NULL;
tv_list_extend(l1, l2, item);
- copy_tv(&argvars[0], rettv);
+ tv_copy(&argvars[0], rettv);
}
} else if (argvars[0].v_type == VAR_DICT && argvars[1].v_type ==
VAR_DICT) {
@@ -8224,7 +8231,7 @@ static void f_extend(typval_T *argvars, typval_T *rettv, FunPtr fptr)
tv_dict_extend(d1, d2, action);
- copy_tv(&argvars[0], rettv);
+ tv_copy(&argvars[0], rettv);
}
} else {
EMSG2(_(e_listdictarg), "extend()");
@@ -8441,7 +8448,7 @@ static void filter_map(typval_T *argvars, typval_T *rettv, int map)
did_emsg |= save_did_emsg;
}
- copy_tv(&argvars[0], rettv);
+ tv_copy(&argvars[0], rettv);
}
static int filter_map_one(typval_T *tv, typval_T *expr, int map, int *remp)
@@ -8451,7 +8458,7 @@ static int filter_map_one(typval_T *tv, typval_T *expr, int map, int *remp)
int retval = FAIL;
int dummy;
- copy_tv(tv, &vimvars[VV_VAL].vv_tv);
+ tv_copy(tv, &vimvars[VV_VAL].vv_tv);
argv[0] = vimvars[VV_KEY].vv_tv;
argv[1] = vimvars[VV_VAL].vv_tv;
if (expr->v_type == VAR_FUNC) {
@@ -8859,13 +8866,13 @@ static void common_function(typval_T *argvars, typval_T *rettv,
}
int i = 0;
for (; i < arg_len; i++) {
- copy_tv(&arg_pt->pt_argv[i], &pt->pt_argv[i]);
+ tv_copy(&arg_pt->pt_argv[i], &pt->pt_argv[i]);
}
if (lv_len > 0) {
for (listitem_T *li = list->lv_first;
li != NULL;
li = li->li_next) {
- copy_tv(&li->li_tv, &pt->pt_argv[i++]);
+ tv_copy(&li->li_tv, &pt->pt_argv[i++]);
}
}
}
@@ -9012,10 +9019,12 @@ static void f_get(typval_T *argvars, typval_T *rettv, FunPtr fptr)
}
if (tv == NULL) {
- if (argvars[2].v_type != VAR_UNKNOWN)
- copy_tv(&argvars[2], rettv);
- } else
- copy_tv(tv, rettv);
+ if (argvars[2].v_type != VAR_UNKNOWN) {
+ tv_copy(&argvars[2], rettv);
+ }
+ } else {
+ tv_copy(tv, rettv);
+ }
}
/// Returns information about signs placed in a buffer as list of dicts.
@@ -9260,7 +9269,7 @@ static void f_getbufvar(typval_T *argvars, typval_T *rettv, FunPtr fptr)
dictitem_T *const v = find_var_in_ht(&curbuf->b_vars->dv_hashtab, 'b',
varname, strlen(varname), false);
if (v != NULL) {
- copy_tv(&v->di_tv, rettv);
+ tv_copy(&v->di_tv, rettv);
done = true;
}
}
@@ -9273,7 +9282,7 @@ static void f_getbufvar(typval_T *argvars, typval_T *rettv, FunPtr fptr)
f_getbufvar_end:
if (!done && argvars[2].v_type != VAR_UNKNOWN) {
// use the default value
- copy_tv(&argvars[2], rettv);
+ tv_copy(&argvars[2], rettv);
}
}
@@ -10094,7 +10103,7 @@ static void f_gettabvar(typval_T *argvars, typval_T *rettv, FunPtr fptr)
v = find_var_in_ht(&tp->tp_vars->dv_hashtab, 't',
varname, strlen(varname), false);
if (v != NULL) {
- copy_tv(&v->di_tv, rettv);
+ tv_copy(&v->di_tv, rettv);
done = true;
}
}
@@ -10104,7 +10113,7 @@ static void f_gettabvar(typval_T *argvars, typval_T *rettv, FunPtr fptr)
}
if (!done && argvars[2].v_type != VAR_UNKNOWN) {
- copy_tv(&argvars[2], rettv);
+ tv_copy(&argvars[2], rettv);
}
}
@@ -10315,7 +10324,7 @@ getwinvar (
v = find_var_in_ht(&win->w_vars->dv_hashtab, 'w', varname,
strlen(varname), false);
if (v != NULL) {
- copy_tv(&v->di_tv, rettv);
+ tv_copy(&v->di_tv, rettv);
done = true;
}
}
@@ -10330,7 +10339,7 @@ getwinvar (
if (!done && argvars[off + 2].v_type != VAR_UNKNOWN) {
// use the default return value
- copy_tv(&argvars[off + 2], rettv);
+ tv_copy(&argvars[off + 2], rettv);
}
}
@@ -11181,7 +11190,7 @@ static void f_insert(typval_T *argvars, typval_T *rettv, FunPtr fptr)
}
if (l != NULL) {
tv_list_insert_tv(l, &argvars[1], item);
- copy_tv(&argvars[0], rettv);
+ tv_copy(&argvars[0], rettv);
}
}
}
@@ -11271,31 +11280,36 @@ static void dict_list(typval_T *const tv, typval_T *const rettv,
listitem_T *const li = tv_list_item_alloc();
tv_list_append(rettv->vval.v_list, li);
- if (what == 0) {
- // keys()
- li->li_tv.v_type = VAR_STRING;
- li->li_tv.v_lock = 0;
- li->li_tv.vval.v_string = vim_strsave(di->di_key);
- } else if (what == 1) {
- // values()
- copy_tv(&di->di_tv, &li->li_tv);
- } else {
- // items()
- list_T *const l2 = tv_list_alloc();
- li->li_tv.v_type = VAR_LIST;
- li->li_tv.v_lock = 0;
- li->li_tv.vval.v_list = l2;
- l2->lv_refcount++;
-
- listitem_T *sub_li = tv_list_item_alloc();
- tv_list_append(l2, sub_li);
- sub_li->li_tv.v_type = VAR_STRING;
- sub_li->li_tv.v_lock = 0;
- sub_li->li_tv.vval.v_string = vim_strsave(di->di_key);
-
- sub_li = tv_list_item_alloc();
- tv_list_append(l2, sub_li);
- copy_tv(&di->di_tv, &sub_li->li_tv);
+ switch (what) {
+ case kDictListKeys: {
+ li->li_tv.v_type = VAR_STRING;
+ li->li_tv.v_lock = VAR_UNLOCKED;
+ li->li_tv.vval.v_string = vim_strsave(di->di_key);
+ break;
+ }
+ case kDictListValues: {
+ tv_copy(&di->di_tv, &li->li_tv);
+ break;
+ }
+ case kDictListItems: {
+ // items()
+ list_T *const sub_l = tv_list_alloc();
+ li->li_tv.v_type = VAR_LIST;
+ li->li_tv.v_lock = VAR_UNLOCKED;
+ li->li_tv.vval.v_list = sub_l;
+ sub_l->lv_refcount++;
+
+ listitem_T *sub_li = tv_list_item_alloc();
+ tv_list_append(sub_l, sub_li);
+ sub_li->li_tv.v_type = VAR_STRING;
+ sub_li->li_tv.v_lock = VAR_UNLOCKED;
+ sub_li->li_tv.vval.v_string = vim_strsave(di->di_key);
+
+ sub_li = tv_list_item_alloc();
+ tv_list_append(sub_l, sub_li);
+ tv_copy(&di->di_tv, &sub_li->li_tv);
+ break;
+ }
}
});
}
@@ -12256,21 +12270,24 @@ static void find_some_match(typval_T *argvars, typval_T *rettv, int type)
}
}
} else if (type == 2) {
- /* return matched string */
- if (l != NULL)
- copy_tv(&li->li_tv, rettv);
- else
- rettv->vval.v_string = vim_strnsave(regmatch.startp[0],
- (int)(regmatch.endp[0] - regmatch.startp[0]));
- } else if (l != NULL)
+ // Return matched string.
+ if (l != NULL) {
+ tv_copy(&li->li_tv, rettv);
+ } else {
+ rettv->vval.v_string = (char_u *)xmemdupz(
+ (const char *)regmatch.startp[0],
+ (size_t)(regmatch.endp[0] - regmatch.startp[0]));
+ }
+ } else if (l != NULL) {
rettv->vval.v_number = idx;
- else {
- if (type != 0)
+ } else {
+ if (type != 0) {
rettv->vval.v_number =
(varnumber_T)(regmatch.startp[0] - str);
- else
+ } else {
rettv->vval.v_number =
(varnumber_T)(regmatch.endp[0] - str);
+ }
rettv->vval.v_number += (varnumber_T)(str - expr);
}
}
@@ -15135,8 +15152,8 @@ static int item_compare2(const void *s1, const void *s2, bool keep_zero)
// Copy the values. This is needed to be able to set v_lock to VAR_FIXED
// in the copy without changing the original list items.
- copy_tv(&si1->item->li_tv, &argv[0]);
- copy_tv(&si2->item->li_tv, &argv[1]);
+ tv_copy(&si1->item->li_tv, &argv[0]);
+ tv_copy(&si2->item->li_tv, &argv[1]);
rettv.v_type = VAR_UNKNOWN; // tv_clear() uses this
res = call_func((const char_u *)func_name,
@@ -18203,7 +18220,7 @@ static int get_var_tv(
}
ret = FAIL;
} else if (rettv != NULL) {
- copy_tv(tv, rettv);
+ tv_copy(tv, rettv);
}
return ret;
@@ -18375,7 +18392,7 @@ void set_selfdict(typval_T *rettv, dict_T *selfdict)
} else {
pt->pt_argc = ret_pt->pt_argc;
for (i = 0; i < pt->pt_argc; i++) {
- copy_tv(&ret_pt->pt_argv[i], &pt->pt_argv[i]);
+ tv_copy(&ret_pt->pt_argv[i], &pt->pt_argv[i]);
}
}
}
@@ -18852,7 +18869,7 @@ static void set_var(const char *name, typval_T *const tv, const bool copy)
}
if (watched) {
- copy_tv(&v->di_tv, &oldtv);
+ tv_copy(&v->di_tv, &oldtv);
}
tv_clear(&v->di_tv);
} else { // Add a new variable.
@@ -18877,7 +18894,7 @@ static void set_var(const char *name, typval_T *const tv, const bool copy)
}
if (copy || tv->v_type == VAR_NUMBER || tv->v_type == VAR_FLOAT) {
- copy_tv(tv, &v->di_tv);
+ tv_copy(tv, &v->di_tv);
} else {
v->di_tv = *tv;
v->di_tv.v_lock = 0;
@@ -18992,56 +19009,6 @@ bool valid_varname(const char *varname)
return true;
}
-/*
- * Copy the values from typval_T "from" to typval_T "to".
- * When needed allocates string or increases reference count.
- * Does not make a copy of a list or dict but copies the reference!
- * It is OK for "from" and "to" to point to the same item. This is used to
- * make a copy later.
- */
-void copy_tv(typval_T *from, typval_T *to)
-{
- to->v_type = from->v_type;
- to->v_lock = 0;
- memmove(&to->vval, &from->vval, sizeof(to->vval));
- switch (from->v_type) {
- case VAR_NUMBER:
- case VAR_FLOAT:
- case VAR_SPECIAL:
- break;
- case VAR_STRING:
- case VAR_FUNC:
- if (from->vval.v_string != NULL) {
- to->vval.v_string = vim_strsave(from->vval.v_string);
- if (from->v_type == VAR_FUNC) {
- func_ref(to->vval.v_string);
- }
- }
- break;
- case VAR_PARTIAL:
- if (from->vval.v_partial == NULL) {
- to->vval.v_partial = NULL;
- } else {
- to->vval.v_partial = from->vval.v_partial;
- (to->vval.v_partial->pt_refcount)++;
- }
- break;
- case VAR_LIST:
- if (from->vval.v_list != NULL) {
- to->vval.v_list->lv_refcount++;
- }
- break;
- case VAR_DICT:
- if (from->vval.v_dict != NULL) {
- to->vval.v_dict->dv_refcount++;
- }
- break;
- case VAR_UNKNOWN:
- EMSG2(_(e_intern2), "copy_tv(UNKNOWN)");
- break;
- }
-}
-
/// Make a copy of an item
///
/// Lists and Dictionaries are also copied.
@@ -19080,11 +19047,11 @@ int var_item_copy(const vimconv_T *const conv,
case VAR_FUNC:
case VAR_PARTIAL:
case VAR_SPECIAL:
- copy_tv(from, to);
+ tv_copy(from, to);
break;
case VAR_STRING:
if (conv == NULL || conv->vc_type == CONV_NONE) {
- copy_tv(from, to);
+ tv_copy(from, to);
} else {
to->v_type = VAR_STRING;
to->v_lock = 0;
@@ -20981,7 +20948,7 @@ void call_user_func(ufunc_T *fp, int argcount, typval_T *argvars,
if (addlocal) {
// Named arguments can be accessed without the "a:" prefix in lambda
// expressions. Add to the l: dict.
- copy_tv(&v->di_tv, &v->di_tv);
+ tv_copy(&v->di_tv, &v->di_tv);
tv_dict_add(&fc->l_vars, v);
} else {
tv_dict_add(&fc->l_avars, v);
@@ -21188,13 +21155,13 @@ void call_user_func(ufunc_T *fp, int argcount, typval_T *argvars,
// Make a copy of the a: variables, since we didn't do that above.
TV_DICT_ITER(&fc->l_avars, di, {
- copy_tv(&di->di_tv, &di->di_tv);
+ tv_copy(&di->di_tv, &di->di_tv);
});
// Make a copy of the a:000 items, since we didn't do that above.
for (listitem_T *li = fc->l_varlist.lv_first; li != NULL;
li = li->li_next) {
- copy_tv(&li->li_tv, &li->li_tv);
+ tv_copy(&li->li_tv, &li->li_tv);
}
}
@@ -21700,7 +21667,7 @@ const void *var_shada_iter(const void *const iter, const char **const name,
hi = (const hashitem_T *) iter;
}
*name = (char *)TV_DICT_HI2DI(hi)->di_key;
- copy_tv(&TV_DICT_HI2DI(hi)->di_tv, rettv);
+ tv_copy(&TV_DICT_HI2DI(hi)->di_tv, rettv);
while ((size_t)(++hi - hifirst) < hinum) {
if (!HASHITEM_EMPTY(hi) && var_flavour(hi->hi_key) == VAR_FLAVOUR_SHADA) {
return hi;
diff --git a/src/nvim/eval/typval.c b/src/nvim/eval/typval.c
index 78eca15fec..8a407a4513 100644
--- a/src/nvim/eval/typval.c
+++ b/src/nvim/eval/typval.c
@@ -1,6 +1,8 @@
+#include <stdio.h>
#include <stddef.h>
-#include <stdbool.h>
+#include <string.h>
#include <assert.h>
+#include <stdbool.h>
#include "nvim/lib/queue.h"
#include "nvim/eval/typval.h"
@@ -276,7 +278,7 @@ void tv_list_insert(list_T *const l, listitem_T *const ni,
/// Insert VimL value into a list
///
/// @param[out] l List to insert to.
-/// @param[in,out] tv Value to insert. Is copied (@see copy_tv()) to an
+/// @param[in,out] tv Value to insert. Is copied (@see tv_copy()) to an
/// allocated listitem_T and inserted.
/// @param[in] item Item to insert before. If NULL, inserts at the end of the
/// list.
@@ -285,7 +287,7 @@ void tv_list_insert_tv(list_T *const l, typval_T *const tv,
{
listitem_T *const ni = tv_list_item_alloc();
- copy_tv(tv, &ni->li_tv);
+ tv_copy(tv, &ni->li_tv);
tv_list_insert(l, ni, item);
}
@@ -313,13 +315,13 @@ void tv_list_append(list_T *const l, listitem_T *const item)
/// Append VimL value to the end of list
///
/// @param[out] l List to append to.
-/// @param[in,out] tv Value to append. Is copied (@see copy_tv()) to an
+/// @param[in,out] tv Value to append. Is copied (@see tv_copy()) to an
/// allocated listitem_T.
void tv_list_append_tv(list_T *const l, typval_T *const tv)
FUNC_ATTR_NONNULL_ALL
{
listitem_T *const li = tv_list_item_alloc();
- copy_tv(tv, &li->li_tv);
+ tv_copy(tv, &li->li_tv);
tv_list_append(l, li);
}
@@ -447,7 +449,7 @@ list_T *tv_list_copy(const vimconv_T *const conv, list_T *const orig,
break;
}
} else {
- copy_tv(&item->li_tv, &ni->li_tv);
+ tv_copy(&item->li_tv, &ni->li_tv);
}
tv_list_append(copy, ni);
}
@@ -828,13 +830,13 @@ void tv_dict_watcher_notify(dict_T *const dict, const char *const key,
if (newtv) {
dictitem_T *const v = tv_dict_item_alloc_len(S_LEN("new"));
- copy_tv(newtv, &v->di_tv);
+ tv_copy(newtv, &v->di_tv);
tv_dict_add(argv[2].vval.v_dict, v);
}
if (oldtv) {
dictitem_T *const v = tv_dict_item_alloc_len(S_LEN("old"));
- copy_tv(oldtv, &v->di_tv);
+ tv_copy(oldtv, &v->di_tv);
tv_dict_add(argv[2].vval.v_dict, v);
}
@@ -926,7 +928,7 @@ static dictitem_T *tv_dict_item_copy(dictitem_T *const di)
FUNC_ATTR_MALLOC
{
dictitem_T *const new_di = tv_dict_item_alloc((const char *)di->di_key);
- copy_tv(&di->di_tv, &new_di->di_tv);
+ tv_copy(&di->di_tv, &new_di->di_tv);
return new_di;
}
@@ -1161,7 +1163,7 @@ bool tv_dict_get_callback(dict_T *const d,
}
typval_T tv;
- copy_tv(&di->di_tv, &tv);
+ tv_copy(&di->di_tv, &tv);
set_selfdict(&tv, d);
bool res = callback_from_typval(result, &tv);
tv_clear(&tv);
@@ -1338,11 +1340,11 @@ void tv_dict_extend(dict_T *const d1, dict_T *const d2,
}
if (watched) {
- copy_tv(&di1->di_tv, &oldtv);
+ tv_copy(&di1->di_tv, &oldtv);
}
tv_clear(&di1->di_tv);
- copy_tv(&di2->di_tv, &di1->di_tv);
+ tv_copy(&di2->di_tv, &di1->di_tv);
if (watched) {
tv_dict_watcher_notify(d1, (const char *)di1->di_key, &di1->di_tv,
@@ -1433,7 +1435,7 @@ dict_T *tv_dict_copy(const vimconv_T *const conv,
break;
}
} else {
- copy_tv(&di->di_tv, &new_di->di_tv);
+ tv_copy(&di->di_tv, &new_di->di_tv);
}
if (tv_dict_add(copy, new_di) == FAIL) {
tv_dict_item_free(new_di);
@@ -1782,6 +1784,64 @@ void tv_free(typval_T *tv)
}
}
+//{{{3 Copy
+
+/// Copy typval from one location to another
+///
+/// When needed allocates string or increases reference count. Does not make
+/// a copy of a container, but copies its reference!
+///
+/// It is OK for `from` and `to` to point to the same location; this is used to
+/// make a copy later.
+///
+/// @param[in] from Location to copy from.
+/// @param[out] to Location to copy to.
+void tv_copy(typval_T *const from, typval_T *const to)
+{
+ to->v_type = from->v_type;
+ to->v_lock = VAR_UNLOCKED;
+ memmove(&to->vval, &from->vval, sizeof(to->vval));
+ switch (from->v_type) {
+ case VAR_NUMBER:
+ case VAR_FLOAT:
+ case VAR_SPECIAL: {
+ break;
+ }
+ case VAR_STRING:
+ case VAR_FUNC: {
+ if (from->vval.v_string != NULL) {
+ to->vval.v_string = vim_strsave(from->vval.v_string);
+ if (from->v_type == VAR_FUNC) {
+ func_ref(to->vval.v_string);
+ }
+ }
+ break;
+ }
+ case VAR_PARTIAL: {
+ if (to->vval.v_partial != NULL) {
+ to->vval.v_partial->pt_refcount++;
+ }
+ break;
+ }
+ case VAR_LIST: {
+ if (from->vval.v_list != NULL) {
+ to->vval.v_list->lv_refcount++;
+ }
+ break;
+ }
+ case VAR_DICT: {
+ if (from->vval.v_dict != NULL) {
+ to->vval.v_dict->dv_refcount++;
+ }
+ break;
+ }
+ case VAR_UNKNOWN: {
+ EMSG2(_(e_intern2), "tv_copy(UNKNOWN)");
+ break;
+ }
+ }
+}
+
//{{{2 Locks
/// Lock or unlock an item
diff --git a/src/nvim/move.PVS-Studio.cfg b/src/nvim/move.PVS-Studio.cfg
new file mode 100644
index 0000000000..cb6da32f12
--- /dev/null
+++ b/src/nvim/move.PVS-Studio.cfg
@@ -0,0 +1,10 @@
+
+source-file=/home/zyx/a.a/Proj/c/neovim/src/nvim/move.c
+i-file=/home/zyx/a.a/Proj/c/neovim/src/nvim/move.i
+language=C
+skip-cl-exe=yes
+preprocessor=gcc
+platform=linux64
+lic-file=/home/zyx/a.a/Proj/c/neovim/build/../PVS-Studio.lic
+output-file=/home/zyx/a.a/Proj/c/neovim/build/../PVS-Studio.log.x
+analysis-mode=4
diff --git a/src/nvim/shada.c b/src/nvim/shada.c
index 0f04a5e9cf..f65fdaf1c0 100644
--- a/src/nvim/shada.c
+++ b/src/nvim/shada.c
@@ -2559,7 +2559,7 @@ static ShaDaWriteResult shada_write(ShaDaWriteDef *const sd_writer,
if (sd_writer->sd_conv.vc_type != CONV_NONE) {
var_item_copy(&sd_writer->sd_conv, &vartv, &tgttv, true, 0);
} else {
- copy_tv(&vartv, &tgttv);
+ tv_copy(&vartv, &tgttv);
}
ShaDaWriteResult spe_ret;
if ((spe_ret = shada_pack_entry(packer, (ShadaEntry) {
diff --git a/test/unit/eval/helpers.lua b/test/unit/eval/helpers.lua
index be77ef4c83..c603953a05 100644
--- a/test/unit/eval/helpers.lua
+++ b/test/unit/eval/helpers.lua
@@ -280,7 +280,7 @@ local lua2typvalt_type_tab = {
if type(k) == 'string' then
local di = eval.tv_dict_item_alloc(to_cstr(k))
local val_tv = ffi.gc(lua2typvalt(v, processed), nil)
- eval.copy_tv(val_tv, di.di_tv)
+ eval.tv_copy(val_tv, di.di_tv)
eval.tv_clear(val_tv)
eval.tv_dict_add(dct, di)
end
@@ -300,7 +300,7 @@ local lua2typvalt_type_tab = {
argv = ffi.gc(ffi.cast('typval_T*', eval.xmalloc(ffi.sizeof('typval_T') * #l.args)), nil)
for i, arg in ipairs(l.args) do
local arg_tv = ffi.gc(lua2typvalt(arg, processed), nil)
- eval.copy_tv(arg_tv, argv[i - 1])
+ eval.tv_copy(arg_tv, argv[i - 1])
eval.tv_clear(arg_tv)
end
end