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fixed a critical bug in handling a multi-dimensional index with delete (e.g. delete[20,"data"])

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hyung-hwan 2020-03-02 07:23:34 +00:00
parent 140c12f726
commit 48809c9e69
1 changed files with 15 additions and 55 deletions
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70
hawk/lib/run.c
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@ -2568,66 +2568,26 @@ static int run_nextoutfile (hawk_rtx_t* rtx, hawk_nde_nextfile_t* nde)
static int run_nextfile (hawk_rtx_t* rtx, hawk_nde_nextfile_t* nde)
{
return (nde->out)?
run_nextoutfile (rtx, nde):
run_nextinfile (rtx, nde);
return (nde->out)? run_nextoutfile(rtx, nde): run_nextinfile(rtx, nde);
}
static int delete_indexed (
hawk_rtx_t* rtx, hawk_htb_t* map, hawk_nde_var_t* var)
static int delete_indexed (hawk_rtx_t* rtx, hawk_htb_t* map, hawk_nde_var_t* var)
{
hawk_val_t* idx;
hawk_ooch_t* iptr;
hawk_oow_t ilen;
hawk_ooch_t idxbuf[IDXBUFSIZE];
HAWK_ASSERT (var->idx != HAWK_NULL);
idx = eval_expression (rtx, var->idx);
if (idx == HAWK_NULL) return -1;
/* delete x["abc"];
* delete x[20,"abc"]; */
ilen = HAWK_COUNTOF(idxbuf);
iptr = idxnde_to_str(rtx, var->idx, idxbuf, &ilen);
if (!iptr) return -1;
hawk_rtx_refupval (rtx, idx);
if (HAWK_RTX_GETVALTYPE(rtx, idx) == HAWK_VAL_STR)
{
/* delete x["abc"] */
hawk_htb_delete (map, ((hawk_val_str_t*)idx)->val.ptr, ((hawk_val_str_t*)idx)->val.len);
hawk_rtx_refdownval (rtx, idx);
}
else
{
/* delete x[20] */
hawk_ooch_t buf[IDXBUFSIZE];
hawk_rtx_valtostr_out_t out;
/* try with a fixed-size buffer */
out.type = HAWK_RTX_VALTOSTR_CPLCPY;
out.u.cplcpy.ptr = buf;
out.u.cplcpy.len = HAWK_COUNTOF(buf);
if (hawk_rtx_valtostr(rtx, idx, &out) <= -1)
{
int n;
/* retry it in dynamic mode */
out.type = HAWK_RTX_VALTOSTR_CPLDUP;
n = hawk_rtx_valtostr(rtx, idx, &out);
hawk_rtx_refdownval (rtx, idx);
if (n <= -1)
{
/* change the error line */
ADJERR_LOC (rtx, &var->loc);
return -1;
}
else
{
hawk_htb_delete (map, out.u.cpldup.ptr, out.u.cpldup.len);
hawk_rtx_freemem (rtx, out.u.cpldup.ptr);
}
}
else
{
hawk_rtx_refdownval (rtx, idx);
hawk_htb_delete (map, out.u.cplcpy.ptr, out.u.cplcpy.len);
}
}
hawk_htb_delete (map, iptr, ilen);
if (iptr != idxbuf) hawk_rtx_freemem (rtx, iptr);
return 0;
}
@ -2678,7 +2638,7 @@ static int run_delete_named (hawk_rtx_t* rtx, hawk_nde_var_t* var)
val = (hawk_val_t*)HAWK_HTB_VPTR(pair);
HAWK_ASSERT (val != HAWK_NULL);
if (HAWK_RTX_GETVALTYPE (rtx, val) != HAWK_VAL_MAP)
if (HAWK_RTX_GETVALTYPE(rtx, val) != HAWK_VAL_MAP)
{
hawk_rtx_seterrfmt (rtx, &var->loc, HAWK_ENOTDEL, HAWK_T("'%.*js' not deletable"), var->id.name.len, var->id.name.ptr);
return -1;
@ -6439,7 +6399,7 @@ static hawk_val_t** get_reference_indexed (hawk_rtx_t* rtx, hawk_nde_var_t* nde,
HAWK_ASSERT (nde->idx != HAWK_NULL);
len = HAWK_COUNTOF(idxbuf);
str = idxnde_to_str (rtx, nde->idx, idxbuf, &len);
str = idxnde_to_str(rtx, nde->idx, idxbuf, &len);
if (str == HAWK_NULL) return HAWK_NULL;
pair = hawk_htb_search((*(hawk_val_map_t**)val)->map, str, len);
@ -7084,7 +7044,7 @@ static hawk_ooch_t* idxnde_to_str (hawk_rtx_t* rtx, hawk_nde_t* nde, hawk_ooch_t
out.u.cplcpy.ptr = buf;
out.u.cplcpy.len = *len;
if (hawk_rtx_valtostr (rtx, idx, &out) >= 0)
if (hawk_rtx_valtostr(rtx, idx, &out) >= 0)
{
str = out.u.cplcpy.ptr;
*len = out.u.cplcpy.len;