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binop.h
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binop.h
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// -*- mode:c++ -*-
/*
* This code is in an include file because some compilers may not handle
* the large function and switch statement which happens in exec.c.
* See op_binop() in arith.c if you have this problem.
*
* This is where run-time binary operator "arithmetic" happens.
*/
#ifndef BINOPFUNC
#define ICI_TRI(a, b, t) (((((a) << 4) + b) << 6) + t_subtype(t))
// This uses knowledge of the exec switch in exec.c to avoid chains of
// gotos. The continue_with_same_pc label is defined there.
//
#define USE0() \
do \
{ \
os.a_top[-2] = o_zero; \
--os.a_top; \
goto continue_with_same_pc; \
} while (0)
#define USE1() \
do \
{ \
os.a_top[-2] = o_one; \
--os.a_top; \
goto continue_with_same_pc; \
} while (0)
#define USEo() \
do \
{ \
os.a_top[-2] = o; \
--os.a_top; \
goto continue_with_same_pc; \
} while (0)
#define LOOSEo() \
do \
{ \
decref(o); \
os.a_top[-2] = o; \
--os.a_top; \
goto continue_with_same_pc; \
} while (0)
#else
#define USE0() goto use0
#define USE1() goto use1
#define USEo() goto useo
#define LOOSEo() goto looseo
#endif
#define FAIL() goto fail
#define USEi(I) \
i = (I); \
goto usei
#define USEf(F) \
f = (F); \
goto usef
#define MISMATCH() goto mismatch
/*
* On entry, o = xs.a_top[-1], technically, but xs.a_top has been pre-decremented
* so it isn't really there.
*/
{
object *o0;
object *o1;
long i;
double f;
bool can_temp;
#define SWAP() (o = o0, o0 = o1, o1 = o)
o0 = os.a_top[-2];
o1 = os.a_top[-1];
can_temp = opof(o)->op_ecode == OP_BINOP_FOR_TEMP;
// if (o0->o_tcode > TC_MAX_BINOP || o1->o_tcode > TC_MAX_BINOP) {
// goto others;
// }
switch (ICI_TRI(o0->o_tcode, o1->o_tcode, opof(o)->op_code))
{
/*
* Pure integer operations.
*/
case ICI_TRI(TC_INT, TC_INT, T_ASTERIX):
case ICI_TRI(TC_INT, TC_INT, T_ASTERIXEQ):
USEi(intof(o0)->i_value * intof(o1)->i_value);
case ICI_TRI(TC_INT, TC_INT, T_SLASH):
case ICI_TRI(TC_INT, TC_INT, T_SLASHEQ):
if (intof(o1)->i_value == 0)
{
set_error("division by 0");
FAIL();
}
USEi(intof(o0)->i_value / intof(o1)->i_value);
case ICI_TRI(TC_INT, TC_INT, T_PERCENT):
case ICI_TRI(TC_INT, TC_INT, T_PERCENTEQ):
if (intof(o1)->i_value == 0)
{
set_error("modulus by 0");
FAIL();
}
USEi(intof(o0)->i_value % intof(o1)->i_value);
case ICI_TRI(TC_INT, TC_INT, T_PLUS):
case ICI_TRI(TC_INT, TC_INT, T_PLUSEQ):
USEi(intof(o0)->i_value + intof(o1)->i_value);
case ICI_TRI(TC_INT, TC_INT, T_MINUS):
case ICI_TRI(TC_INT, TC_INT, T_MINUSEQ):
USEi(intof(o0)->i_value - intof(o1)->i_value);
case ICI_TRI(TC_INT, TC_INT, T_GRTGRT):
case ICI_TRI(TC_INT, TC_INT, T_GRTGRTEQ):
USEi(intof(o0)->i_value >> intof(o1)->i_value);
case ICI_TRI(TC_INT, TC_INT, T_LESSLESS):
case ICI_TRI(TC_INT, TC_INT, T_LESSLESSEQ):
USEi(intof(o0)->i_value << intof(o1)->i_value);
case ICI_TRI(TC_INT, TC_INT, T_LESS):
if (intof(o0)->i_value < intof(o1)->i_value)
{
USE1();
}
USE0();
case ICI_TRI(TC_INT, TC_INT, T_GRT):
if (intof(o0)->i_value > intof(o1)->i_value)
{
USE1();
}
USE0();
case ICI_TRI(TC_INT, TC_INT, T_LESSEQ):
if (intof(o0)->i_value <= intof(o1)->i_value)
{
USE1();
}
USE0();
case ICI_TRI(TC_INT, TC_INT, T_GRTEQ):
if (intof(o0)->i_value >= intof(o1)->i_value)
{
USE1();
}
USE0();
case ICI_TRI(TC_INT, TC_INT, T_EQEQ):
if (intof(o0)->i_value == intof(o1)->i_value)
{
USE1();
}
USE0();
case ICI_TRI(TC_INT, TC_INT, T_EXCLAMEQ):
if (intof(o0)->i_value != intof(o1)->i_value)
{
USE1();
}
USE0();
case ICI_TRI(TC_INT, TC_INT, T_AND):
case ICI_TRI(TC_INT, TC_INT, T_ANDEQ):
USEi(intof(o0)->i_value & intof(o1)->i_value);
case ICI_TRI(TC_INT, TC_INT, T_CARET):
case ICI_TRI(TC_INT, TC_INT, T_CARETEQ):
USEi(intof(o0)->i_value ^ intof(o1)->i_value);
case ICI_TRI(TC_INT, TC_INT, T_BAR):
case ICI_TRI(TC_INT, TC_INT, T_BAREQ):
USEi(intof(o0)->i_value | intof(o1)->i_value);
/*
* Pure floating point and mixed float, int operations...
*/
case ICI_TRI(TC_FLOAT, TC_FLOAT, T_ASTERIX):
case ICI_TRI(TC_FLOAT, TC_FLOAT, T_ASTERIXEQ):
USEf(floatof(o0)->f_value * floatof(o1)->f_value);
case ICI_TRI(TC_FLOAT, TC_INT, T_ASTERIX):
case ICI_TRI(TC_FLOAT, TC_INT, T_ASTERIXEQ):
USEf(floatof(o0)->f_value * intof(o1)->i_value);
case ICI_TRI(TC_INT, TC_FLOAT, T_ASTERIX):
case ICI_TRI(TC_INT, TC_FLOAT, T_ASTERIXEQ):
USEf(intof(o0)->i_value * floatof(o1)->f_value);
case ICI_TRI(TC_FLOAT, TC_FLOAT, T_SLASH):
case ICI_TRI(TC_FLOAT, TC_FLOAT, T_SLASHEQ):
if (floatof(o1)->f_value == 0)
{
set_error("division by 0.0");
FAIL();
}
USEf(floatof(o0)->f_value / floatof(o1)->f_value);
case ICI_TRI(TC_FLOAT, TC_INT, T_SLASH):
case ICI_TRI(TC_FLOAT, TC_INT, T_SLASHEQ):
if (intof(o1)->i_value == 0)
{
set_error("division by 0");
FAIL();
}
USEf(floatof(o0)->f_value / intof(o1)->i_value);
case ICI_TRI(TC_INT, TC_FLOAT, T_SLASH):
case ICI_TRI(TC_INT, TC_FLOAT, T_SLASHEQ):
if (floatof(o1)->f_value == 0)
{
set_error("division by 0.0");
FAIL();
}
USEf(intof(o0)->i_value / floatof(o1)->f_value);
case ICI_TRI(TC_FLOAT, TC_FLOAT, T_PLUS):
case ICI_TRI(TC_FLOAT, TC_FLOAT, T_PLUSEQ):
USEf(floatof(o0)->f_value + floatof(o1)->f_value);
case ICI_TRI(TC_FLOAT, TC_INT, T_PLUS):
case ICI_TRI(TC_FLOAT, TC_INT, T_PLUSEQ):
USEf(floatof(o0)->f_value + intof(o1)->i_value);
case ICI_TRI(TC_INT, TC_FLOAT, T_PLUS):
case ICI_TRI(TC_INT, TC_FLOAT, T_PLUSEQ):
USEf(intof(o0)->i_value + floatof(o1)->f_value);
case ICI_TRI(TC_FLOAT, TC_FLOAT, T_MINUS):
case ICI_TRI(TC_FLOAT, TC_FLOAT, T_MINUSEQ):
USEf(floatof(o0)->f_value - floatof(o1)->f_value);
case ICI_TRI(TC_FLOAT, TC_INT, T_MINUS):
case ICI_TRI(TC_FLOAT, TC_INT, T_MINUSEQ):
USEf(floatof(o0)->f_value - intof(o1)->i_value);
case ICI_TRI(TC_INT, TC_FLOAT, T_MINUS):
case ICI_TRI(TC_INT, TC_FLOAT, T_MINUSEQ):
USEf(intof(o0)->i_value - floatof(o1)->f_value);
case ICI_TRI(TC_FLOAT, TC_FLOAT, T_LESS):
if (floatof(o0)->f_value < floatof(o1)->f_value)
{
USE1();
}
USE0();
case ICI_TRI(TC_FLOAT, TC_INT, T_LESS):
if (floatof(o0)->f_value < intof(o1)->i_value)
{
USE1();
}
USE0();
case ICI_TRI(TC_INT, TC_FLOAT, T_LESS):
if (intof(o0)->i_value < floatof(o1)->f_value)
{
USE1();
}
USE0();
case ICI_TRI(TC_FLOAT, TC_FLOAT, T_GRT):
if (floatof(o0)->f_value > floatof(o1)->f_value)
{
USE1();
}
USE0();
case ICI_TRI(TC_FLOAT, TC_INT, T_GRT):
if (floatof(o0)->f_value > intof(o1)->i_value)
{
USE1();
}
USE0();
case ICI_TRI(TC_INT, TC_FLOAT, T_GRT):
if (intof(o0)->i_value > floatof(o1)->f_value)
{
USE1();
}
USE0();
case ICI_TRI(TC_FLOAT, TC_FLOAT, T_LESSEQ):
if (floatof(o0)->f_value <= floatof(o1)->f_value)
{
USE1();
}
USE0();
case ICI_TRI(TC_FLOAT, TC_INT, T_LESSEQ):
if (floatof(o0)->f_value <= intof(o1)->i_value)
{
USE1();
}
USE0();
case ICI_TRI(TC_INT, TC_FLOAT, T_LESSEQ):
if (intof(o0)->i_value <= floatof(o1)->f_value)
{
USE1();
}
USE0();
case ICI_TRI(TC_FLOAT, TC_FLOAT, T_GRTEQ):
if (floatof(o0)->f_value >= floatof(o1)->f_value)
{
USE1();
}
USE0();
case ICI_TRI(TC_FLOAT, TC_INT, T_GRTEQ):
if (floatof(o0)->f_value >= intof(o1)->i_value)
{
USE1();
}
USE0();
case ICI_TRI(TC_INT, TC_FLOAT, T_GRTEQ):
if (intof(o0)->i_value >= floatof(o1)->f_value)
{
USE1();
}
USE0();
case ICI_TRI(TC_FLOAT, TC_FLOAT, T_EQEQ):
if (floatof(o0)->f_value == floatof(o1)->f_value)
{
USE1();
}
USE0();
case ICI_TRI(TC_FLOAT, TC_INT, T_EQEQ):
if (floatof(o0)->f_value == intof(o1)->i_value)
{
USE1();
}
USE0();
case ICI_TRI(TC_INT, TC_FLOAT, T_EQEQ):
if (intof(o0)->i_value == floatof(o1)->f_value)
{
USE1();
}
USE0();
case ICI_TRI(TC_FLOAT, TC_FLOAT, T_EXCLAMEQ):
if (floatof(o0)->f_value != floatof(o1)->f_value)
{
USE1();
}
USE0();
case ICI_TRI(TC_FLOAT, TC_INT, T_EXCLAMEQ):
if (floatof(o0)->f_value != intof(o1)->i_value)
{
USE1();
}
USE0();
case ICI_TRI(TC_INT, TC_FLOAT, T_EXCLAMEQ):
if (intof(o0)->i_value != floatof(o1)->f_value)
{
USE1();
}
USE0();
/*
* Regular expression operators...
*/
case ICI_TRI(TC_STRING, TC_REGEXP, T_TILDE):
SWAP();
/*FALLTHROUGH*/
case ICI_TRI(TC_REGEXP, TC_STRING, T_TILDE):
if (ici_pcre_exec_simple(regexpof(o0), stringof(o1)) >= 0)
{
USE1();
}
USE0();
case ICI_TRI(TC_STRING, TC_REGEXP, T_EXCLAMTILDE):
SWAP();
/*FALLTHROUGH*/
case ICI_TRI(TC_REGEXP, TC_STRING, T_EXCLAMTILDE):
if (ici_pcre_exec_simple(regexpof(o0), stringof(o1)) < 0)
{
USE1();
}
USE0();
case ICI_TRI(TC_STRING, TC_REGEXP, T_2TILDE):
case ICI_TRI(TC_STRING, TC_REGEXP, T_2TILDEEQ):
SWAP();
/*FALLTHROUGH*/
case ICI_TRI(TC_REGEXP, TC_STRING, T_2TILDE):
case ICI_TRI(TC_REGEXP, TC_STRING, T_2TILDEEQ):
memset(re_bra, 0, sizeof re_bra);
if (ici_pcre_exec_simple(regexpof(o0), stringof(o1)) < 0 || re_bra[2] < 0 || re_bra[3] < 0)
{
o = null;
USEo();
}
else
{
o = new_str(stringof(o1)->s_chars + re_bra[2], re_bra[3] - re_bra[2]);
if (o == nullptr)
{
FAIL();
}
}
LOOSEo();
case ICI_TRI(TC_STRING, TC_REGEXP, T_3TILDE):
SWAP();
/*FALLTHROUGH*/
case ICI_TRI(TC_REGEXP, TC_STRING, T_3TILDE):
memset(re_bra, 0, sizeof re_bra);
re_nbra = ici_pcre_exec_simple(regexpof(o0), stringof(o1));
if (re_nbra < 0)
{
o = null;
USEo();
}
if ((o = new_array(re_nbra)) == nullptr)
{
FAIL();
}
for (i = 1; i < re_nbra; ++i)
{
if (re_bra[i * 2] == -1)
{
if ((*arrayof(o)->a_top = str_alloc(0)) == nullptr)
{
FAIL();
}
}
else if ((*arrayof(o)->a_top = new_str(stringof(o1)->s_chars + re_bra[i * 2],
re_bra[(i * 2) + 1] - re_bra[i * 2])) == nullptr)
{
FAIL();
}
decref(*arrayof(o)->a_top);
++arrayof(o)->a_top;
}
LOOSEo();
/*
* Everything else...
*/
case ICI_TRI(TC_PTR, TC_INT, T_MINUS):
case ICI_TRI(TC_PTR, TC_INT, T_MINUSEQ):
if (!isint(ptrof(o0)->p_key))
{
MISMATCH();
}
{
object *i;
if ((i = new_int(intof(ptrof(o0)->p_key)->i_value - intof(o1)->i_value)) == nullptr)
{
FAIL();
}
if ((o = new_ptr(ptrof(o0)->p_aggr, i)) == nullptr)
{
FAIL();
}
decref(i);
}
LOOSEo();
case ICI_TRI(TC_INT, TC_PTR, T_PLUS):
case ICI_TRI(TC_INT, TC_PTR, T_PLUSEQ):
if (!isint(ptrof(o1)->p_key))
{
MISMATCH();
}
SWAP();
/*FALLTHROUGH*/
case ICI_TRI(TC_PTR, TC_INT, T_PLUS):
case ICI_TRI(TC_PTR, TC_INT, T_PLUSEQ):
if (!isint(ptrof(o0)->p_key))
{
MISMATCH();
}
{
object *i;
if ((i = new_int(intof(ptrof(o0)->p_key)->i_value + intof(o1)->i_value)) == nullptr)
{
FAIL();
}
if ((o = new_ptr(ptrof(o0)->p_aggr, i)) == nullptr)
{
FAIL();
}
decref(i);
}
LOOSEo();
case ICI_TRI(TC_STRING, TC_STRING, T_PLUS):
case ICI_TRI(TC_STRING, TC_STRING, T_PLUSEQ):
if ((o = str_alloc(stringof(o1)->s_nchars + stringof(o0)->s_nchars)) == nullptr)
{
FAIL();
}
memcpy(stringof(o)->s_chars, stringof(o0)->s_chars, stringof(o0)->s_nchars);
memcpy(stringof(o)->s_chars + stringof(o0)->s_nchars, stringof(o1)->s_chars, stringof(o1)->s_nchars + 1);
o = atom(o, 1);
LOOSEo();
case ICI_TRI(TC_ARRAY, TC_ARRAY, T_PLUS):
case ICI_TRI(TC_ARRAY, TC_ARRAY, T_PLUSEQ): {
array *a;
ptrdiff_t z0;
ptrdiff_t z1;
z0 = arrayof(o0)->len();
z1 = arrayof(o1)->len();
if ((a = new_array(z0 + z1)) == nullptr)
{
FAIL();
}
arrayof(o0)->gather(a->a_top, 0, z0);
a->a_top += z0;
arrayof(o1)->gather(a->a_top, 0, z1);
a->a_top += z1;
o = a;
}
LOOSEo();
case ICI_TRI(TC_MAP, TC_MAP, T_PLUS):
case ICI_TRI(TC_MAP, TC_MAP, T_PLUSEQ): {
map *s;
slot *sl;
size_t i;
if ((s = mapof(copyof(o0))) == nullptr)
{
FAIL();
}
sl = mapof(o1)->s_slots;
for (i = 0; i < mapof(o1)->s_nslots; ++i, ++sl)
{
if (sl->sl_key == nullptr)
{
continue;
}
if (ici_assign(s, sl->sl_key, sl->sl_value))
{
decref(s);
FAIL();
}
}
o = s;
}
LOOSEo();
case ICI_TRI(TC_SET, TC_SET, T_PLUS):
case ICI_TRI(TC_SET, TC_SET, T_PLUSEQ): {
set *s;
object **sl;
size_t i;
if ((s = setof(copyof(o0))) == nullptr)
{
FAIL();
}
sl = setof(o1)->s_slots;
for (i = 0; i < setof(o1)->s_nslots; ++i, ++sl)
{
if (*sl == nullptr)
{
continue;
}
if (ici_assign(s, *sl, o_one))
{
decref(s);
FAIL();
}
}
o = s;
}
LOOSEo();
case ICI_TRI(TC_SET, TC_SET, T_MINUS):
case ICI_TRI(TC_SET, TC_SET, T_MINUSEQ): {
set *s;
object **sl;
size_t i;
if ((s = setof(copyof(o0))) == nullptr)
{
FAIL();
}
sl = setof(o1)->s_slots;
for (i = 0; i < setof(o1)->s_nslots; ++i, ++sl)
{
if (*sl == nullptr)
{
continue;
}
if (ici_assign(s, *sl, null))
{
decref(s);
FAIL();
}
}
o = s;
}
LOOSEo();
case ICI_TRI(TC_SET, TC_SET, T_ASTERIX):
case ICI_TRI(TC_SET, TC_SET, T_ASTERIXEQ): {
set *s;
object **sl;
size_t i;
if (setof(o0)->s_nels > setof(o1)->s_nels)
{
SWAP();
}
if ((s = new_set()) == nullptr)
{
FAIL();
}
sl = setof(o0)->s_slots;
for (i = 0; i < setof(o0)->s_nslots; ++i, ++sl)
{
if (*sl == nullptr)
{
continue;
}
if (ici_fetch(o1, *sl) != null && ici_assign(s, *sl, o_one))
{
decref(s);
FAIL();
}
}
o = s;
}
LOOSEo();
case ICI_TRI(TC_SET, TC_SET, T_GRTEQ):
o = set_issubset(setof(o1), setof(o0)) ? o_one : o_zero;
USEo();
case ICI_TRI(TC_SET, TC_SET, T_LESSEQ):
o = set_issubset(setof(o0), setof(o1)) ? o_one : o_zero;
USEo();
case ICI_TRI(TC_SET, TC_SET, T_GRT):
o = set_ispropersubset(setof(o1), setof(o0)) ? o_one : o_zero;
USEo();
case ICI_TRI(TC_SET, TC_SET, T_LESS):
o = set_ispropersubset(setof(o0), setof(o1)) ? o_one : o_zero;
USEo();
case ICI_TRI(TC_PTR, TC_PTR, T_MINUS):
case ICI_TRI(TC_PTR, TC_PTR, T_MINUSEQ):
if (!isint(ptrof(o1)->p_key) || !isint(ptrof(o0)->p_key))
{
MISMATCH();
}
if ((o = new_int(intof(ptrof(o0)->p_key)->i_value - intof(ptrof(o1)->p_key)->i_value)) == nullptr)
{
FAIL();
}
LOOSEo();
case ICI_TRI(TC_STRING, TC_STRING, T_LESS):
case ICI_TRI(TC_STRING, TC_STRING, T_GRT):
case ICI_TRI(TC_STRING, TC_STRING, T_LESSEQ):
case ICI_TRI(TC_STRING, TC_STRING, T_GRTEQ): {
ssize_t compare;
str *s1;
str *s2;
s1 = stringof(o0);
s2 = stringof(o1);
compare = s1->s_nchars < s2->s_nchars ? s1->s_nchars : s2->s_nchars;
compare = memcmp(s1->s_chars, s2->s_chars, compare);
if (compare == 0)
{
if (s1->s_nchars < s2->s_nchars)
{
compare = -1;
}
else if (s1->s_nchars > s2->s_nchars)
{
compare = 1;
}
}
switch (opof(o)->op_code)
{
case t_subtype(T_LESS):
if (compare < 0)
USE1();
break;
case t_subtype(T_GRT):
if (compare > 0)
USE1();
break;
case t_subtype(T_LESSEQ):
if (compare <= 0)
USE1();
break;
case t_subtype(T_GRTEQ):
if (compare >= 0)
USE1();
break;
}
}
USE0();
case ICI_TRI(TC_PTR, TC_PTR, T_LESS):
if (!isint(ptrof(o1)->p_key) || !isint(ptrof(o0)->p_key))
{
MISMATCH();
}
if (intof(ptrof(o0)->p_key)->i_value < intof(ptrof(o1)->p_key)->i_value)
{
USE1();
}
USE0();
case ICI_TRI(TC_PTR, TC_PTR, T_GRTEQ):
if (!isint(ptrof(o1)->p_key) || !isint(ptrof(o0)->p_key))
{
MISMATCH();
}
if (intof(ptrof(o0)->p_key)->i_value >= intof(ptrof(o1)->p_key)->i_value)
{
USE1();
}
USE0();
case ICI_TRI(TC_PTR, TC_PTR, T_LESSEQ):
if (!isint(ptrof(o1)->p_key) || !isint(ptrof(o0)->p_key))
{
MISMATCH();
}
if (intof(ptrof(o0)->p_key)->i_value <= intof(ptrof(o1)->p_key)->i_value)
{
USE1();
}
USE0();
case ICI_TRI(TC_PTR, TC_PTR, T_GRT):
if (!isint(ptrof(o1)->p_key) || !isint(ptrof(o0)->p_key))
{
MISMATCH();
}
if (intof(ptrof(o0)->p_key)->i_value > intof(ptrof(o1)->p_key)->i_value)
{
USE1();
}
USE0();
#include "vecops.h"
default:
// others:
switch (opof(o)->op_code)
{
case t_subtype(T_PLUSEQ):
if (o0->o_tcode == TC_SET)
{
if (ici_assign(o0, o1, o_one))
{
FAIL();
}
o = o0;
USEo();
}
MISMATCH();
case t_subtype(T_MINUSEQ):
if (o0->o_tcode == TC_SET)
{
if (unassign(setof(o0), o1))
{
FAIL();
}
o = o0;
USEo();
}
MISMATCH();
case t_subtype(T_EQEQ):
if (o0->icitype() == o1->icitype() && compare(o0, o1) == 0)
{
USE1();
}
USE0();
case t_subtype(T_EXCLAMEQ):
if (!(o0->icitype() == o1->icitype() && compare(o0, o1) == 0))
{
USE1();
}
USE0();
}
// user-defined binops
{
const auto t0 = o0->icitype()->name;
const auto t1 = o1->icitype()->name;
#ifndef NDEBUG
fprintf(stderr, "BINOP: lookup_user_binop(\"%s\", \"%s\", \"%s\")\n", t0, binop_name(opof(o)->op_code), t1);
#endif
if (auto fn = lookup_user_binop(t0, binop_name(opof(o)->op_code), t1))
{
if ((o = call_user_binop(fn, o0, o1)))
{
USEo();
}
}
}
/*FALLTHROUGH*/
mismatch:
{
char n1[30];
char n2[30];
objname(n1, o0);
objname(n2, o1);
sprintf(buf, "attempt to perform \"%s %s %s\"", n1, binop_name(opof(o)->op_code), n2);
set_error(buf);
}
FAIL();
}
#ifdef BINOPFUNC
use0:
os.a_top[-2] = o_zero;
goto done;
use1:
os.a_top[-2] = o_one;
goto done;
#endif
usef:
if (can_temp)
{
ptrdiff_t n;
n = &os.a_top[-2] - os.a_base;
if (ex->x_os_temp_cache->stk_probe(n))
{
FAIL();
}
if ((o = ex->x_os_temp_cache->a_base[n]) == null)
{
if ((o = reinterpret_cast<object *>(ici_talloc(ostemp))) == nullptr)
{
FAIL();
}
ex->x_os_temp_cache->a_base[n] = o;
rego(o);
}
set_tfnz(o, TC_FLOAT, object::O_TEMP, 0, sizeof(ostemp));
floatof(o)->f_value = f;
USEo();
}
/*
* The following in-line expansion of float creation replaces, and
* this should be equivalent to, this old code:
*
* if ((o = new_float(f)) == nullptr)
* FAIL();
* LOOSEo();
*/
/*
* In-line expansion of float creation.
*/
{
object **po;
unsigned long h;
#if 1
h = hash_float(f);
#else
union {
double f;
int32_t l[2];
} v;
/*
* If this assert fails, we should switch back to a an explicit call
* to hash_float().
*/
assert(sizeof floatof(o)->f_value == 2 * sizeof(int32_t));
v.f = f;
h = FLOAT_PRIME + v.l[0] + v.l[1] * 31;
h ^= (h >> 12) ^ (h >> 24);
#endif
for (po = &atoms[atom_hash_index(h)]; (o = *po) != nullptr; --po < atoms ? po = atoms + atomsz - 1 : nullptr)
{
#if 1
if (isfloat(o) && DBL_BIT_CMP(&floatof(o)->f_value, &f))
#else
if (isfloat(o) && DBL_BIT_CMP(&floatof(o)->f_value, &v.f))
#endif
{
USEo();
}
}
++supress_collect;
if ((o = ici_talloc(ici_float)) == nullptr)
{
--supress_collect;
FAIL();
}
set_tfnz(o, TC_FLOAT, object::O_ATOM, 1, sizeof(ici_float));
floatof(o)->f_value = f;
rego(o);
assert(h == hashof(o));
--supress_collect;
store_atom_and_count(po, o);
LOOSEo();
}
usei:
if (can_temp)
{
ptrdiff_t n;
n = &os.a_top[-2] - os.a_base;
if (UNLIKELY(ex->x_os_temp_cache->stk_probe(n)))
{
FAIL();
}
if ((o = ex->x_os_temp_cache->a_base[n]) == null)
{
if ((o = reinterpret_cast<object *>(ici_talloc(ostemp))) == nullptr)
{
FAIL();
}
ex->x_os_temp_cache->a_base[n] = o;
rego(o);
}
set_tfnz(o, TC_INT, object::O_TEMP, 0, sizeof(ostemp));
intof(o)->i_value = i;
USEo();
}
/*
* In-line expansion of atom_int() from object.c. Following that, and
* merged with it, is in-line atom creation.
*/
if ((i & ~small_int_mask) == 0)
{
o = small_ints[i];
USEo();
}
{
object **po;
for (po = &atoms[atom_hash_index((unsigned long)i * INT_PRIME)]; (o = *po) != nullptr;
--po < atoms ? po = atoms + atomsz - 1 : nullptr)
{
if (isint(o) && intof(o)->i_value == i)
{
USEo();
}
}
++supress_collect;
if ((o = ici_talloc(integer)) == nullptr)
{
--supress_collect;
FAIL();
}
set_tfnz(o, TC_INT, object::O_ATOM, 1, sizeof(integer));
intof(o)->i_value = i;
rego(o);
--supress_collect;
store_atom_and_count(po, o);
}
#ifdef BINOPFUNC
looseo:
decref(o);
useo:
os.a_top[-2] = o;
done:
#else // non-binop func version does not 'goto' the labels above
decref(o);
os.a_top[-2] = o;
#endif
--os.a_top;