*: Start hiding list implementation

Most of files, except for eval.c and eval/* were only processed by perl.

1 files changed, 63 insertions, 68 deletions

diff --git a/src/nvim/eval/typval.c b/src/nvim/eval/typval.c
index 4bc3a85efb..eaf70b41fd 100644
--- a/src/nvim/eval/typval.c
+++ b/src/nvim/eval/typval.c
@@ -66,7 +66,7 @@ listitem_T *tv_list_item_alloc(void)
 void tv_list_item_free(listitem_T *const item)
   FUNC_ATTR_NONNULL_ALL
 {
-  tv_clear(&item->li_tv);
+  tv_clear(TV_LIST_ITEM_TV(item));
   xfree(item);
 }
 
@@ -326,7 +326,7 @@ 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();
-  tv_copy(tv, &li->li_tv);
+  tv_copy(tv, TV_LIST_ITEM_TV(li));
   tv_list_append(l, li);
 }
 
@@ -339,12 +339,12 @@ void tv_list_append_list(list_T *const list, list_T *const itemlist)
 {
   listitem_T *const li = tv_list_item_alloc();
 
-  li->li_tv.v_type = VAR_LIST;
-  li->li_tv.v_lock = VAR_UNLOCKED;
-  li->li_tv.vval.v_list = itemlist;
+  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);
   if (itemlist != NULL) {
-    itemlist->lv_refcount++;
+    tv_list_ref(itemlist);
   }
 }
 
@@ -357,9 +357,9 @@ void tv_list_append_dict(list_T *const list, dict_T *const dict)
 {
   listitem_T *const li = tv_list_item_alloc();
 
-  li->li_tv.v_type = VAR_DICT;
-  li->li_tv.v_lock = VAR_UNLOCKED;
-  li->li_tv.vval.v_dict = dict;
+  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);
   if (dict != NULL) {
     dict->dv_refcount++;
@@ -399,9 +399,9 @@ void tv_list_append_allocated_string(list_T *const l, char *const str)
   listitem_T *const li = tv_list_item_alloc();
 
   tv_list_append(l, li);
-  li->li_tv.v_type = VAR_STRING;
-  li->li_tv.v_lock = VAR_UNLOCKED;
-  li->li_tv.vval.v_string = (char_u *)str;
+  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;
 }
 
 /// Append number to the list
@@ -412,9 +412,9 @@ void tv_list_append_allocated_string(list_T *const l, char *const str)
 void tv_list_append_number(list_T *const l, const varnumber_T n)
 {
   listitem_T *const li = tv_list_item_alloc();
-  li->li_tv.v_type = VAR_NUMBER;
-  li->li_tv.v_lock = VAR_UNLOCKED;
-  li->li_tv.vval.v_number = n;
+  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);
 }
 
@@ -439,33 +439,32 @@ list_T *tv_list_copy(const vimconv_T *const conv, list_T *const orig,
   }
 
   list_T *copy = tv_list_alloc();
+  tv_list_ref(copy);
   if (copyID != 0) {
     // Do this before adding the items, because one of the items may
     // refer back to this list.
     orig->lv_copyID = copyID;
     orig->lv_copylist = copy;
   }
-  listitem_T *item;
-  for (item = orig->lv_first; item != NULL && !got_int;
-       item = item->li_next) {
+  TV_LIST_ITER(orig, item, {
     listitem_T *const ni = tv_list_item_alloc();
     if (deep) {
-      if (var_item_copy(conv, &item->li_tv, &ni->li_tv, deep, copyID) == FAIL) {
+      if (var_item_copy(conv, TV_LIST_ITEM_TV(item), TV_LIST_ITEM_TV(ni),
+                        deep, copyID) == FAIL) {
         xfree(ni);
-        break;
+        goto tv_list_copy_error;
       }
     } else {
-      tv_copy(&item->li_tv, &ni->li_tv);
+      tv_copy(TV_LIST_ITEM_TV(item), TV_LIST_ITEM_TV(ni));
     }
     tv_list_append(copy, ni);
-  }
-  copy->lv_refcount++;
-  if (item != NULL) {
-    tv_list_unref(copy);
-    copy = NULL;
-  }
+  });
 
   return copy;
+
+tv_list_copy_error:
+  tv_list_unref(copy);
+  return NULL;
 }
 
 /// Extend first list with the second
@@ -475,17 +474,17 @@ list_T *tv_list_copy(const vimconv_T *const conv, list_T *const orig,
 /// @param[in]  bef  If not NULL, extends before this item.
 void tv_list_extend(list_T *const l1, list_T *const l2,
                     listitem_T *const bef)
-  FUNC_ATTR_NONNULL_ARG(1, 2)
+  FUNC_ATTR_NONNULL_ARG(1)
 {
-  int todo = l2->lv_len;
+  int todo = tv_list_len(l2);
   listitem_T *const befbef = (bef == NULL ? NULL : bef->li_prev);
   listitem_T *const saved_next = (befbef == NULL ? NULL : befbef->li_next);
   // We also quit the loop when we have inserted the original item count of
   // the list, avoid a hang when we extend a list with itself.
-  for (listitem_T *item = l2->lv_first
-       ; item != NULL && --todo >= 0
+  for (listitem_T *item = tv_list_first(l2)
+       ; item != NULL && todo--
        ; item = (item == befbef ? saved_next : item->li_next)) {
-    tv_list_insert_tv(l1, &item->li_tv, bef);
+    tv_list_insert_tv(l1, TV_LIST_ITEM_TV(item), bef);
   }
 }
 
@@ -540,13 +539,12 @@ static int list_join_inner(garray_T *const gap, list_T *const l,
 {
   size_t sumlen = 0;
   bool first = true;
-  listitem_T  *item;
 
   // Stringify each item in the list.
-  for (item = l->lv_first; item != NULL && !got_int; item = item->li_next) {
+  TV_LIST_ITER(l, item, {
     char *s;
     size_t len;
-    s = encode_tv2echo(&item->li_tv, &len);
+    s = encode_tv2echo(TV_LIST_ITEM_TV(item), &len);
     if (s == NULL) {
       return FAIL;
     }
@@ -557,7 +555,7 @@ static int list_join_inner(garray_T *const gap, list_T *const l,
     p->tofree = p->s = (char_u *)s;
 
     line_breakcheck();
-  }
+  });
 
   // Allocate result buffer with its total size, avoid re-allocation and
   // multiple copy operations.  Add 2 for a tailing ']' and NUL.
@@ -591,16 +589,16 @@ static int list_join_inner(garray_T *const gap, list_T *const l,
 ///
 /// @return OK in case of success, FAIL otherwise.
 int tv_list_join(garray_T *const gap, list_T *const l, const char *const sep)
-  FUNC_ATTR_NONNULL_ALL
+  FUNC_ATTR_NONNULL_ARG(1)
 {
-  if (l->lv_len < 1) {
+  if (!tv_list_len(l)) {
     return OK;
   }
 
   garray_T join_ga;
   int retval;
 
-  ga_init(&join_ga, (int)sizeof(Join), l->lv_len);
+  ga_init(&join_ga, (int)sizeof(Join), tv_list_len(l));
   retval = list_join_inner(gap, l, sep, &join_ga);
 
 #define FREE_JOIN_TOFREE(join) xfree((join)->tofree)
@@ -632,11 +630,13 @@ bool tv_list_equal(list_T *const l1, list_T *const l2, const bool ic,
     return false;
   }
 
-  listitem_T *item1 = l1->lv_first;
-  listitem_T *item2 = l2->lv_first;
+  listitem_T *item1 = tv_list_first(l1);
+  listitem_T *item2 = tv_list_first(l2);
   for (; item1 != NULL && item2 != NULL
-       ; item1 = item1->li_next, item2 = item2->li_next) {
-    if (!tv_equal(&item1->li_tv, &item2->li_tv, ic, recursive)) {
+       ; item1 = TV_LIST_ITEM_NEXT(l1, item1),
+         item2 = TV_LIST_ITEM_NEXT(n2, item2)) {
+    if (!tv_equal(TV_LIST_ITEM_TV(item1), TV_LIST_ITEM_TV(item2), ic,
+                  recursive)) {
       return false;
     }
   }
@@ -662,13 +662,8 @@ listitem_T *tv_list_find(list_T *const l, int n)
     return NULL;
   }
 
-  // Negative index is relative to the end.
-  if (n < 0) {
-    n = l->lv_len + n;
-  }
-
-  // Check for index out of range.
-  if (n < 0 || n >= l->lv_len) {
+  n = tv_list_uidx(l, n);
+  if (n == -1) {
     return NULL;
   }
 
@@ -740,7 +735,7 @@ varnumber_T tv_list_find_nr(list_T *const l, const int n, bool *const ret_error)
     }
     return -1;
   }
-  return tv_get_number_chk(&li->li_tv, ret_error);
+  return tv_get_number_chk(TV_LIST_ITEM_TV(li), ret_error);
 }
 
 /// Get list item l[n] as a string
@@ -757,7 +752,7 @@ const char *tv_list_find_str(list_T *const l, const int n)
     emsgf(_(e_listidx), (int64_t)n);
     return NULL;
   }
-  return tv_get_string(&li->li_tv);
+  return tv_get_string(TV_LIST_ITEM_TV(li));
 }
 
 /// Locate item in a list and return its index
@@ -772,15 +767,14 @@ long tv_list_idx_of_item(const list_T *const l, const listitem_T *const item)
   if (l == NULL) {
     return -1;
   }
-  long idx = 0;
-  const listitem_T *li;
-  for (li = l->lv_first; li != NULL && li != item; li = li->li_next) {
+  int idx = 0;
+  TV_LIST_ITER_CONST(l, li, {
+    if (li == item) {
+      return idx;
+    }
     idx++;
-  }
-  if (li == NULL) {
-    return -1;
-  }
-  return idx;
+  });
+  return -1;
 }
 
 //{{{1 Dictionaries
@@ -1339,7 +1333,7 @@ int tv_dict_add_list(dict_T *const d, const char *const key,
   item->di_tv.v_lock = VAR_UNLOCKED;
   item->di_tv.v_type = VAR_LIST;
   item->di_tv.vval.v_list = list;
-  list->lv_refcount++;
+  tv_list_ref(list);
   if (tv_dict_add(d, item) == FAIL) {
     tv_dict_item_free(item);
     return FAIL;
@@ -1677,7 +1671,7 @@ list_T *tv_list_alloc_ret(typval_T *const ret_tv)
   ret_tv->vval.v_list = l;
   ret_tv->v_type = VAR_LIST;
   ret_tv->v_lock = VAR_UNLOCKED;
-  l->lv_refcount++;
+  tv_list_ref(l);
   return l;
 }
 
@@ -2027,7 +2021,7 @@ void tv_copy(typval_T *const from, typval_T *const to)
     }
     case VAR_LIST: {
       if (from->vval.v_list != NULL) {
-        to->vval.v_list->lv_refcount++;
+        tv_list_ref(to->vval.v_list);
       }
       break;
     }
@@ -2084,9 +2078,9 @@ void tv_item_lock(typval_T *const tv, const int deep, const bool lock)
         CHANGE_LOCK(lock, l->lv_lock);
         if (deep < 0 || deep > 1) {
           // Recursive: lock/unlock the items the List contains.
-          for (listitem_T *li = l->lv_first; li != NULL; li = li->li_next) {
-            tv_item_lock(&li->li_tv, deep - 1, lock);
-          }
+          TV_LIST_ITER(l, li, {
+            tv_item_lock(TV_LIST_ITEM_TV(li), deep - 1, lock);
+          });
         }
       }
       break;
@@ -2122,6 +2116,8 @@ void tv_item_lock(typval_T *const tv, const int deep, const bool lock)
 
 /// Check whether VimL value is locked itself or refers to a locked container
 ///
+/// @warning Fixed container is not the same as locked.
+///
 /// @param[in]  tv  Value to check.
 ///
 /// @return True if value is locked, false otherwise.
@@ -2130,8 +2126,7 @@ bool tv_islocked(const typval_T *const tv)
 {
   return ((tv->v_lock == VAR_LOCKED)
           || (tv->v_type == VAR_LIST
-              && tv->vval.v_list != NULL
-              && (tv->vval.v_list->lv_lock == VAR_LOCKED))
+              && (tv_list_locked(tv->vval.v_list) == VAR_LOCKED))
           || (tv->v_type == VAR_DICT
               && tv->vval.v_dict != NULL
               && (tv->vval.v_dict->dv_lock == VAR_LOCKED)));