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/* Copyright (C) 2001, 2009 Free Software Foundation, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 3 of
* the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
/* This file is included in vm_engine.c */
/*
* Predicates
*/
#define ARGS1(a1) SCM a1 = sp[0];
#define ARGS2(a1,a2) SCM a1 = sp[-1], a2 = sp[0]; sp--; NULLSTACK (1);
#define ARGS3(a1,a2,a3) SCM a1 = sp[-2], a2 = sp[-1], a3 = sp[0]; sp -= 2; NULLSTACK (2);
#define RETURN(x) do { *sp = x; NEXT; } while (0)
VM_DEFINE_FUNCTION (80, not, "not", 1)
{
ARGS1 (x);
RETURN (SCM_BOOL (SCM_FALSEP (x)));
}
VM_DEFINE_FUNCTION (81, not_not, "not-not", 1)
{
ARGS1 (x);
RETURN (SCM_BOOL (!SCM_FALSEP (x)));
}
VM_DEFINE_FUNCTION (82, eq, "eq?", 2)
{
ARGS2 (x, y);
RETURN (SCM_BOOL (SCM_EQ_P (x, y)));
}
VM_DEFINE_FUNCTION (83, not_eq, "not-eq?", 2)
{
ARGS2 (x, y);
RETURN (SCM_BOOL (!SCM_EQ_P (x, y)));
}
VM_DEFINE_FUNCTION (84, nullp, "null?", 1)
{
ARGS1 (x);
RETURN (SCM_BOOL (SCM_NULLP (x)));
}
VM_DEFINE_FUNCTION (85, not_nullp, "not-null?", 1)
{
ARGS1 (x);
RETURN (SCM_BOOL (!SCM_NULLP (x)));
}
VM_DEFINE_FUNCTION (86, eqv, "eqv?", 2)
{
ARGS2 (x, y);
if (SCM_EQ_P (x, y))
RETURN (SCM_BOOL_T);
if (SCM_IMP (x) || SCM_IMP (y))
RETURN (SCM_BOOL_F);
SYNC_REGISTER ();
RETURN (scm_eqv_p (x, y));
}
VM_DEFINE_FUNCTION (87, equal, "equal?", 2)
{
ARGS2 (x, y);
if (SCM_EQ_P (x, y))
RETURN (SCM_BOOL_T);
if (SCM_IMP (x) || SCM_IMP (y))
RETURN (SCM_BOOL_F);
SYNC_REGISTER ();
RETURN (scm_equal_p (x, y));
}
VM_DEFINE_FUNCTION (88, pairp, "pair?", 1)
{
ARGS1 (x);
RETURN (SCM_BOOL (SCM_CONSP (x)));
}
VM_DEFINE_FUNCTION (89, listp, "list?", 1)
{
ARGS1 (x);
RETURN (SCM_BOOL (scm_ilength (x) >= 0));
}
/*
* Basic data
*/
VM_DEFINE_FUNCTION (90, cons, "cons", 2)
{
ARGS2 (x, y);
CONS (x, x, y);
RETURN (x);
}
#define VM_VALIDATE_CONS(x) \
if (SCM_UNLIKELY (!scm_is_pair (x))) \
{ finish_args = x; \
goto vm_error_not_a_pair; \
}
VM_DEFINE_FUNCTION (91, car, "car", 1)
{
ARGS1 (x);
VM_VALIDATE_CONS (x);
RETURN (SCM_CAR (x));
}
VM_DEFINE_FUNCTION (92, cdr, "cdr", 1)
{
ARGS1 (x);
VM_VALIDATE_CONS (x);
RETURN (SCM_CDR (x));
}
VM_DEFINE_INSTRUCTION (93, set_car, "set-car!", 0, 2, 0)
{
SCM x, y;
POP (y);
POP (x);
VM_VALIDATE_CONS (x);
SCM_SETCAR (x, y);
NEXT;
}
VM_DEFINE_INSTRUCTION (94, set_cdr, "set-cdr!", 0, 2, 0)
{
SCM x, y;
POP (y);
POP (x);
VM_VALIDATE_CONS (x);
SCM_SETCDR (x, y);
NEXT;
}
/*
* Numeric relational tests
*/
#undef REL
#define REL(crel,srel) \
{ \
ARGS2 (x, y); \
if (SCM_I_INUMP (x) && SCM_I_INUMP (y)) \
RETURN (SCM_BOOL (SCM_I_INUM (x) crel SCM_I_INUM (y))); \
SYNC_REGISTER (); \
RETURN (srel (x, y)); \
}
VM_DEFINE_FUNCTION (95, ee, "ee?", 2)
{
REL (==, scm_num_eq_p);
}
VM_DEFINE_FUNCTION (96, lt, "lt?", 2)
{
REL (<, scm_less_p);
}
VM_DEFINE_FUNCTION (97, le, "le?", 2)
{
REL (<=, scm_leq_p);
}
VM_DEFINE_FUNCTION (98, gt, "gt?", 2)
{
REL (>, scm_gr_p);
}
VM_DEFINE_FUNCTION (99, ge, "ge?", 2)
{
REL (>=, scm_geq_p);
}
/*
* Numeric functions
*/
#undef FUNC2
#define FUNC2(CFUNC,SFUNC) \
{ \
ARGS2 (x, y); \
if (SCM_I_INUMP (x) && SCM_I_INUMP (y)) \
{ \
scm_t_int64 n = SCM_I_INUM (x) CFUNC SCM_I_INUM (y);\
if (SCM_FIXABLE (n)) \
RETURN (SCM_I_MAKINUM (n)); \
} \
SYNC_REGISTER (); \
RETURN (SFUNC (x, y)); \
}
VM_DEFINE_FUNCTION (100, add, "add", 2)
{
FUNC2 (+, scm_sum);
}
VM_DEFINE_FUNCTION (101, sub, "sub", 2)
{
FUNC2 (-, scm_difference);
}
VM_DEFINE_FUNCTION (102, mul, "mul", 2)
{
ARGS2 (x, y);
SYNC_REGISTER ();
RETURN (scm_product (x, y));
}
VM_DEFINE_FUNCTION (103, div, "div", 2)
{
ARGS2 (x, y);
SYNC_REGISTER ();
RETURN (scm_divide (x, y));
}
VM_DEFINE_FUNCTION (104, quo, "quo", 2)
{
ARGS2 (x, y);
SYNC_REGISTER ();
RETURN (scm_quotient (x, y));
}
VM_DEFINE_FUNCTION (105, rem, "rem", 2)
{
ARGS2 (x, y);
SYNC_REGISTER ();
RETURN (scm_remainder (x, y));
}
VM_DEFINE_FUNCTION (106, mod, "mod", 2)
{
ARGS2 (x, y);
SYNC_REGISTER ();
RETURN (scm_modulo (x, y));
}
/*
* GOOPS support
*/
VM_DEFINE_FUNCTION (107, slot_ref, "slot-ref", 2)
{
size_t slot;
ARGS2 (instance, idx);
slot = SCM_I_INUM (idx);
RETURN (SCM_PACK (SCM_STRUCT_DATA (instance) [slot]));
}
VM_DEFINE_INSTRUCTION (108, slot_set, "slot-set", 0, 3, 0)
{
SCM instance, idx, val;
size_t slot;
POP (val);
POP (idx);
POP (instance);
slot = SCM_I_INUM (idx);
SCM_STRUCT_DATA (instance) [slot] = SCM_UNPACK (val);
NEXT;
}
/*
(defun renumber-ops ()
"start from top of buffer and renumber 'VM_DEFINE_FOO (\n' sequences"
(interactive "")
(save-excursion
(let ((counter 79)) (goto-char (point-min))
(while (re-search-forward "^VM_DEFINE_[^ ]+ (\\([^,]+\\)," (point-max) t)
(replace-match
(number-to-string (setq counter (1+ counter)))
t t nil 1)))))
*/
/*
Local Variables:
c-file-style: "gnu"
End:
*/
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