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patch 9.0.2038: Vim9: object method funcref not cleaned up after use

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Problem:  Vim9: object method funcref not cleaned up after use
Solution: Clean up type stack after using object method funcref,
          remove now longer used ISN_DEFEROBJ instrunction

closes: #13360

Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: Yegappan Lakshmanan <yegappan@yahoo.com>
This commit is contained in:
Yegappan Lakshmanan
2023-10-17 11:00:45 +02:00
committed by Christian Brabandt
parent 209ec90b9b
commit f3eac695bf
9 changed files with 276 additions and 45 deletions
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28
src/vim9execute.c
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@@ -1029,10 +1029,9 @@ add_defer_item(int var_idx, int argcount, ectx_T *ectx)
* Returns OK or FAIL.
*/
static int
defer_command(int var_idx, int has_obj, int argcount, ectx_T *ectx)
defer_command(int var_idx, int argcount, ectx_T *ectx)
{
int obj_off = has_obj ? 1 : 0;
list_T *l = add_defer_item(var_idx, argcount + obj_off, ectx);
list_T *l = add_defer_item(var_idx, argcount, ectx);
int i;
typval_T *func_tv;
@@ -1040,20 +1039,18 @@ defer_command(int var_idx, int has_obj, int argcount, ectx_T *ectx)
return FAIL;
func_tv = STACK_TV_BOT(-argcount - 1);
if (has_obj ? func_tv->v_type != VAR_PARTIAL : func_tv->v_type != VAR_FUNC)
if (func_tv->v_type != VAR_PARTIAL && func_tv->v_type != VAR_FUNC)
{
semsg(_(e_expected_str_but_got_str),
has_obj ? "partial" : "function",
"function or partial",
vartype_name(func_tv->v_type));
return FAIL;
}
list_set_item(l, 0, func_tv);
if (has_obj)
list_set_item(l, 1, STACK_TV_BOT(-argcount - 2));
for (i = 0; i < argcount; ++i)
list_set_item(l, i + 1 + obj_off, STACK_TV_BOT(-argcount + i));
ectx->ec_stack.ga_len -= argcount + 1 + obj_off;
list_set_item(l, i + 1, STACK_TV_BOT(-argcount + i));
ectx->ec_stack.ga_len -= argcount + 1;
return OK;
}
@@ -1116,15 +1113,12 @@ invoke_defer_funcs(ectx_T *ectx)
int i;
listitem_T *arg_li = l->lv_first;
typval_T *functv = &l->lv_first->li_tv;
int obj_off = functv->v_type == VAR_PARTIAL ? 1 : 0;
int argcount = l->lv_len - 1 - obj_off;
int argcount = l->lv_len - 1;
if (functv->vval.v_string == NULL)
// already being called, can happen if function does ":qa"
continue;
if (obj_off == 1)
arg_li = arg_li->li_next; // second list item is the object
for (i = 0; i < argcount; ++i)
{
arg_li = arg_li->li_next;
@@ -1138,7 +1132,7 @@ invoke_defer_funcs(ectx_T *ectx)
if (functv->v_type == VAR_PARTIAL)
{
funcexe.fe_partial = functv->vval.v_partial;
funcexe.fe_object = l->lv_first->li_next->li_tv.vval.v_object;
funcexe.fe_object = functv->vval.v_partial->pt_obj;
if (funcexe.fe_object != NULL)
++funcexe.fe_object->obj_refcount;
}
@@ -4401,9 +4395,7 @@ exec_instructions(ectx_T *ectx)
// :defer func(arg)
case ISN_DEFER:
case ISN_DEFEROBJ:
if (defer_command(iptr->isn_arg.defer.defer_var_idx,
iptr->isn_type == ISN_DEFEROBJ,
iptr->isn_arg.defer.defer_argcount, ectx) == FAIL)
goto on_error;
break;
@@ -6933,9 +6925,7 @@ list_instructions(char *pfx, isn_T *instr, int instr_count, ufunc_T *ufunc)
smsg("%s%4d PCALL end", pfx, current);
break;
case ISN_DEFER:
case ISN_DEFEROBJ:
smsg("%s%4d %s %d args", pfx, current,
iptr->isn_type == ISN_DEFER ? "DEFER" : "DEFEROBJ",
smsg("%s%4d DEFER %d args", pfx, current,
(int)iptr->isn_arg.defer.defer_argcount);
break;
case ISN_RETURN: