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added Apex>>basicMoveFrom:with:count: and Apex>>basicShiftFrom:to:count:

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hyunghwan.chung
2018-01-02 16:25:37 +00:00
parent 2a4314c640
commit 5474ae242d
5 changed files with 253 additions and 59 deletions
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279
moo/lib/pf-basic.c
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@ -434,9 +434,118 @@ moo_pfrc_t moo_pf_basic_at_put (moo_t* moo, moo_ooi_t nargs)
return MOO_PF_SUCCESS;
}
moo_pfrc_t moo_pf_basic_move (moo_t* moo, moo_ooi_t nargs)
moo_pfrc_t moo_pf_basic_fill (moo_t* moo, moo_ooi_t nargs)
{
moo_oop_t rcv, spos, slen, dpos;
moo_oop_t rcv, spos, dval, slen;
moo_oow_t sidx, ssz, maxlen, end, i;
MOO_ASSERT (moo, nargs == 3);
rcv = MOO_STACK_GETRCV(moo, nargs);
if (!MOO_OOP_IS_POINTER(rcv))
{
/* the receiver is a special numeric object, not a normal pointer */
moo_seterrbfmt (moo, MOO_EMSGRCV, "receiver not indexable - %O", rcv);
return MOO_PF_FAILURE;
}
if (MOO_OBJ_GET_FLAGS_RDONLY(rcv))
{
moo_seterrbfmt (moo, MOO_EPERM, "now allowed to change a read-only object - %O", rcv);
return MOO_PF_FAILURE;
}
spos = MOO_STACK_GETARG(moo, nargs, 0);
dval = MOO_STACK_GETARG(moo, nargs, 1);
slen = MOO_STACK_GETARG(moo, nargs, 2);
if (moo_inttooow(moo, spos, &sidx) <= 0)
{
/* negative integer or not integer */
moo_seterrbfmt (moo, MOO_EINVAL, "invalid source position - %O", spos);
return MOO_PF_FAILURE;
}
if (sidx >= MOO_OBJ_GET_SIZE(rcv))
{
/* index out of range */
moo_seterrbfmt (moo, MOO_ERANGE, "source position out of bound - %zu", sidx);
return MOO_PF_FAILURE;
}
if (moo_inttooow(moo, slen, &ssz) <= 0)
{
/* negative integer or not integer */
moo_seterrbfmt (moo, MOO_EINVAL, "invalid fill count - %O", slen);
return MOO_PF_FAILURE;
}
maxlen = MOO_OBJ_GET_SIZE(rcv) - sidx;
if (ssz > maxlen) ssz = maxlen;
end = sidx + ssz;
/* TODO: do i need to perform a range check? */
switch (MOO_OBJ_GET_FLAGS_TYPE(rcv))
{
case MOO_OBJ_TYPE_BYTE:
if (!MOO_OOP_IS_SMOOI(dval)) goto invalid_fill_value;
for (i = sidx; i < end; i++) ((moo_oop_byte_t)rcv)->slot[i] = MOO_OOP_TO_SMOOI(dval);
break;
case MOO_OBJ_TYPE_CHAR:
if (!MOO_OOP_IS_CHAR(dval)) goto invalid_fill_value;
for (i = sidx; i < end; i++) ((moo_oop_char_t)rcv)->slot[i] = MOO_OOP_TO_CHAR(dval);
break;
case MOO_OBJ_TYPE_HALFWORD:
if (!MOO_OOP_IS_SMOOI(dval)) goto invalid_fill_value;
for (i = sidx; i < end; i++) ((moo_oop_halfword_t)rcv)->slot[i] = MOO_OOP_TO_SMOOI(dval);
break;
case MOO_OBJ_TYPE_WORD:
{
moo_oow_t dw;
if (moo_inttooow(moo, dval, &dw) <= 0) goto invalid_fill_value;
for (i = sidx; i < end; i++) ((moo_oop_word_t)rcv)->slot[i] = dw;
break;
}
case MOO_OBJ_TYPE_OOP:
for (i = sidx; i < end; i++) ((moo_oop_oop_t)rcv)->slot[i] = dval;
break;
default:
moo_seterrnum (moo, MOO_EINTERN);
return MOO_PF_HARD_FAILURE;
}
#if defined(MOO_LIMIT_OBJ_SIZE)
MOO_ASSERT (moo, ssz <= MOO_SMOOI_MAX);
MOO_STACK_SETRET (moo, nargs, MOO_SMOOI_TO_OOP(ssz));
#else
if (ssz <= MOO_SMOOI_MAX)
{
MOO_STACK_SETRET (moo, nargs, MOO_SMOOI_TO_OOP(ssz));
}
else
{
moo_oop_t v;
v = moo_oowtoint (moo, ssz);
if (!v) MOO_PF_FAILURE;
MOO_STACK_SETRET (moo, nargs, v);
}
#endif
return MOO_PF_SUCCESS;
invalid_fill_value:
moo_seterrbfmt (moo, MOO_EINVAL, "invalid fill value - %O", dval);
return MOO_PF_FAILURE;
}
moo_pfrc_t moo_pf_basic_shift (moo_t* moo, moo_ooi_t nargs)
{
moo_oop_t rcv, spos, dpos, slen;
moo_oow_t sidx, ssz, didx;
MOO_ASSERT (moo, nargs == 3);
@ -456,8 +565,8 @@ moo_pfrc_t moo_pf_basic_move (moo_t* moo, moo_ooi_t nargs)
}
spos = MOO_STACK_GETARG(moo, nargs, 0);
slen = MOO_STACK_GETARG(moo, nargs, 1);
dpos = MOO_STACK_GETARG(moo, nargs, 2);
dpos = MOO_STACK_GETARG(moo, nargs, 1);
slen = MOO_STACK_GETARG(moo, nargs, 2);
if (moo_inttooow(moo, spos, &sidx) <= 0)
{
@ -472,15 +581,6 @@ moo_pfrc_t moo_pf_basic_move (moo_t* moo, moo_ooi_t nargs)
return MOO_PF_FAILURE;
}
if (moo_inttooow(moo, slen, &ssz) <= 0)
{
/* negative integer or not integer */
moo_seterrbfmt (moo, MOO_EINVAL, "invalid source length - %O", slen);
return MOO_PF_FAILURE;
}
/* TODO: adjust ssz */
if (moo_inttooow(moo, dpos, &didx) <= 0)
{
/* negative integer or not integer */
@ -494,44 +594,127 @@ moo_pfrc_t moo_pf_basic_move (moo_t* moo, moo_ooi_t nargs)
return MOO_PF_FAILURE;
}
switch (MOO_OBJ_GET_FLAGS_TYPE(rcv))
if (moo_inttooow(moo, slen, &ssz) <= 0)
{
case MOO_OBJ_TYPE_BYTE:
MOO_MEMMOVE (&((moo_oop_byte_t)rcv)->slot[didx],
&((moo_oop_byte_t)rcv)->slot[sidx],
ssz * MOO_SIZEOF(((moo_oop_byte_t)rcv)->slot[0]));
break;
case MOO_OBJ_TYPE_CHAR:
MOO_MEMMOVE (&((moo_oop_char_t)rcv)->slot[didx],
&((moo_oop_char_t)rcv)->slot[sidx],
ssz * MOO_SIZEOF(((moo_oop_char_t)rcv)->slot[0]));
break;
case MOO_OBJ_TYPE_HALFWORD:
MOO_MEMMOVE (&((moo_oop_halfword_t)rcv)->slot[didx],
&((moo_oop_halfword_t)rcv)->slot[sidx],
ssz * MOO_SIZEOF(((moo_oop_halfword_t)rcv)->slot[0]));
break;
case MOO_OBJ_TYPE_WORD:
MOO_MEMMOVE (&((moo_oop_word_t)rcv)->slot[didx],
&((moo_oop_word_t)rcv)->slot[sidx],
ssz * MOO_SIZEOF(((moo_oop_word_t)rcv)->slot[0]));
break;
case MOO_OBJ_TYPE_OOP:
MOO_MEMMOVE (&((moo_oop_oop_t)rcv)->slot[didx],
&((moo_oop_oop_t)rcv)->slot[sidx],
ssz * MOO_SIZEOF(((moo_oop_oop_t)rcv)->slot[0]));
break;
default:
moo_seterrnum (moo, MOO_EINTERN);
return MOO_PF_HARD_FAILURE;
/* negative integer or not integer */
moo_seterrbfmt (moo, MOO_EINVAL, "invalid shift count - %O", slen);
return MOO_PF_FAILURE;
}
MOO_STACK_SETRETTORCV (moo, nargs);
if (sidx != didx && ssz > 0)
{
moo_oow_t maxlen;
maxlen = MOO_OBJ_GET_SIZE(rcv) - didx;
if (ssz > maxlen) ssz = maxlen;
switch (MOO_OBJ_GET_FLAGS_TYPE(rcv))
{
case MOO_OBJ_TYPE_BYTE:
MOO_MEMMOVE (&((moo_oop_byte_t)rcv)->slot[didx],
&((moo_oop_byte_t)rcv)->slot[sidx],
ssz * MOO_SIZEOF(((moo_oop_byte_t)rcv)->slot[0]));
if (didx > sidx)
{
MOO_MEMSET (&((moo_oop_byte_t)rcv)->slot[sidx], 0,
(didx - sidx) * MOO_SIZEOF(((moo_oop_byte_t)rcv)->slot[0]));
}
else
{
MOO_MEMSET (&((moo_oop_byte_t)rcv)->slot[didx + ssz - 1], 0,
(sidx - didx) * MOO_SIZEOF(((moo_oop_byte_t)rcv)->slot[0]));
}
break;
case MOO_OBJ_TYPE_CHAR:
MOO_MEMMOVE (&((moo_oop_char_t)rcv)->slot[didx],
&((moo_oop_char_t)rcv)->slot[sidx],
ssz * MOO_SIZEOF(((moo_oop_char_t)rcv)->slot[0]));
if (didx > sidx)
{
MOO_MEMSET (&((moo_oop_char_t)rcv)->slot[sidx], 0,
(didx - sidx) * MOO_SIZEOF(((moo_oop_char_t)rcv)->slot[0]));
}
else
{
MOO_MEMSET (&((moo_oop_char_t)rcv)->slot[didx + ssz - 1], 0,
(sidx - didx) * MOO_SIZEOF(((moo_oop_char_t)rcv)->slot[0]));
}
break;
case MOO_OBJ_TYPE_HALFWORD:
MOO_MEMMOVE (&((moo_oop_halfword_t)rcv)->slot[didx],
&((moo_oop_halfword_t)rcv)->slot[sidx],
ssz * MOO_SIZEOF(((moo_oop_halfword_t)rcv)->slot[0]));
if (didx > sidx)
{
MOO_MEMSET (&((moo_oop_halfword_t)rcv)->slot[sidx], 0,
(didx - sidx) * MOO_SIZEOF(((moo_oop_halfword_t)rcv)->slot[0]));
}
else
{
MOO_MEMSET (&((moo_oop_halfword_t)rcv)->slot[didx + ssz - 1], 0,
(sidx - didx) * MOO_SIZEOF(((moo_oop_halfword_t)rcv)->slot[0]));
}
break;
case MOO_OBJ_TYPE_WORD:
MOO_MEMMOVE (&((moo_oop_word_t)rcv)->slot[didx],
&((moo_oop_word_t)rcv)->slot[sidx],
ssz * MOO_SIZEOF(((moo_oop_word_t)rcv)->slot[0]));
if (didx > sidx)
{
MOO_MEMSET (&((moo_oop_word_t)rcv)->slot[sidx], 0,
(didx - sidx) * MOO_SIZEOF(((moo_oop_word_t)rcv)->slot[0]));
}
else
{
MOO_MEMSET (&((moo_oop_word_t)rcv)->slot[didx + ssz - 1], 0,
(sidx - didx) * MOO_SIZEOF(((moo_oop_word_t)rcv)->slot[0]));
}
break;
case MOO_OBJ_TYPE_OOP:
MOO_MEMMOVE (&((moo_oop_oop_t)rcv)->slot[didx],
&((moo_oop_oop_t)rcv)->slot[sidx],
ssz * MOO_SIZEOF(((moo_oop_oop_t)rcv)->slot[0]));
if (didx > sidx)
{
while (sidx < didx) ((moo_oop_oop_t)rcv)->slot[sidx++] = moo->_nil;
}
else
{
while (didx > sidx) ((moo_oop_oop_t)rcv)->slot[(didx++) + ssz] = moo->_nil;
}
break;
default:
moo_seterrnum (moo, MOO_EINTERN);
return MOO_PF_HARD_FAILURE;
}
}
#if defined(MOO_LIMIT_OBJ_SIZE)
MOO_ASSERT (moo, ssz <= MOO_SMOOI_MAX);
MOO_STACK_SETRET (moo, nargs, MOO_SMOOI_TO_OOP(ssz));
#else
if (ssz <= MOO_SMOOI_MAX)
{
MOO_STACK_SETRET (moo, nargs, MOO_SMOOI_TO_OOP(ssz));
}
else
{
moo_oop_t v;
v = moo_oowtoint (moo, ssz);
if (!v) MOO_PF_FAILURE;
MOO_STACK_SETRET (moo, nargs, v);
}
#endif
return MOO_PF_SUCCESS;
}