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patch 8.2.4286: Vim9: strict type checking after copy() and deepcopy()

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Problem:    Vim9: strict type checking after copy() and deepcopy().
Solution:   Allow type to change after making a copy. (closes #9644)
This commit is contained in:
Bram Moolenaar
2022-02-02 20:01:27 +00:00
parent a1c5195180
commit 381692b6f1
14 changed files with 154 additions and 57 deletions
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8
src/eval.c
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@@ -6160,6 +6160,7 @@ handle_subscript(
/*
* Make a copy of an item.
* Lists and Dictionaries are also copied. A deep copy if "deep" is set.
* "top" is TRUE for the toplevel of copy().
* For deepcopy() "copyID" is zero for a full copy or the ID for when a
* reference to an already copied list/dict can be used.
* Returns FAIL or OK.
@@ -6169,6 +6170,7 @@ item_copy(
typval_T *from,
typval_T *to,
int deep,
int top,
int copyID)
{
static int recurse = 0;
@@ -6207,7 +6209,8 @@ item_copy(
++to->vval.v_list->lv_refcount;
}
else
to->vval.v_list = list_copy(from->vval.v_list, deep, copyID);
to->vval.v_list = list_copy(from->vval.v_list,
deep, top, copyID);
if (to->vval.v_list == NULL)
ret = FAIL;
break;
@@ -6226,7 +6229,8 @@ item_copy(
++to->vval.v_dict->dv_refcount;
}
else
to->vval.v_dict = dict_copy(from->vval.v_dict, deep, copyID);
to->vval.v_dict = dict_copy(from->vval.v_dict,
deep, top, copyID);
if (to->vval.v_dict == NULL)
ret = FAIL;
break;