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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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19
src/evalvars.c
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@@ -3695,24 +3695,7 @@ set_var_const(
free_tv_arg = FALSE;
if (vim9script && type != NULL)
{
if (type->tt_type == VAR_DICT && dest_tv->vval.v_dict != NULL)
{
if (dest_tv->vval.v_dict->dv_type != type)
{
free_type(dest_tv->vval.v_dict->dv_type);
dest_tv->vval.v_dict->dv_type = alloc_type(type);
}
}
else if (type->tt_type == VAR_LIST && dest_tv->vval.v_list != NULL)
{
if (dest_tv->vval.v_list->lv_type != type)
{
free_type(dest_tv->vval.v_list->lv_type);
dest_tv->vval.v_list->lv_type = alloc_type(type);
}
}
}
set_tv_type(dest_tv, type);
// ":const var = value" locks the value
// ":final var = value" locks "var"