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- /*
- Copyright (C) 1994 M. Hagiya, W. Schelter, T. Yuasa
-
- This file is part of GNU Common Lisp, herein referred to as GCL
-
- GCL is free software; you can redistribute it and/or modify it under
- the terms of the GNU LIBRARY GENERAL PUBLIC LICENSE as published by
- the Free Software Foundation; either version 2, or (at your option)
- any later version.
-
- GCL 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 Library General Public
- License for more details.
-
- You should have received a copy of the GNU Library General Public License
- along with GCL; see the file COPYING. If not, write to the Free Software
- Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
-
- */
-
- /*
- eval.h
- */
-
-
- /* C control stack */
-
- #define CSSIZE 20000
- #define CSGETA 4000
-
- int *cs_org;
- int *cs_limit;
-
-
- /* we catch the segmentation fault and check to warn of c stack overflow */
- #ifdef AV
- #ifndef cs_check
- #define cs_check(something) \
- if ((int *)(&something) < cs_limit) \
- cs_overflow()
- #endif
- #endif
- #ifdef MV
-
-
-
- #endif
-
- /* bind template */
-
- struct bind_temp {
- object bt_var;
- object bt_spp;
- object bt_init;
- object bt_aux;
- };
-
-
- #define check_symbol(x) \
- if (type_of(x) != t_symbol) \
- not_a_symbol(x)
-
- #define check_var(x) \
- if (type_of(x) != t_symbol || \
- (enum stype)(x)->s.s_stype == stp_constant) \
- not_a_variable(x)
-
-
- #define eval_assign(to, form) \
- { \
- object *old_top = vs_top; \
- \
- eval(form); \
- to = vs_base[0]; \
- vs_top = old_top; \
- }
-
-
- #define MMcall(x) \
- ihs_check; \
- ihs_push(x); \
- (*(x)->cf.cf_self)(); \
- ihs_pop()
-
- #define MMccall(x, env_top) \
- ihs_check; \
- ihs_push(x); \
- (*(x)->cc.cc_self)(env_top); \
- ihs_pop()
-
-
- #define MMcons(a,d) make_cons((a),(d))
-
-
- #define MMcar(x) (x)->c.c_car
- #define MMcdr(x) (x)->c.c_cdr
- #define MMcaar(x) (x)->c.c_car->c.c_car
- #define MMcadr(x) (x)->c.c_cdr->c.c_car
- #define MMcdar(x) (x)->c.c_car->c.c_cdr
- #define MMcddr(x) (x)->c.c_cdr->c.c_cdr
- #define MMcaaar(x) (x)->c.c_car->c.c_car->c.c_car
- #define MMcaadr(x) (x)->c.c_cdr->c.c_car->c.c_car
- #define MMcadar(x) (x)->c.c_car->c.c_cdr->c.c_car
- #define MMcaddr(x) (x)->c.c_cdr->c.c_cdr->c.c_car
- #define MMcdaar(x) (x)->c.c_car->c.c_car->c.c_cdr
- #define MMcdadr(x) (x)->c.c_cdr->c.c_car->c.c_cdr
- #define MMcddar(x) (x)->c.c_car->c.c_cdr->c.c_cdr
- #define MMcdddr(x) (x)->c.c_cdr->c.c_cdr->c.c_cdr
- #define MMcaaaar(x) (x)->c.c_car->c.c_car->c.c_car->c.c_car
- #define MMcaaadr(x) (x)->c.c_cdr->c.c_car->c.c_car->c.c_car
- #define MMcaadar(x) (x)->c.c_car->c.c_cdr->c.c_car->c.c_car
- #define MMcaaddr(x) (x)->c.c_cdr->c.c_cdr->c.c_car->c.c_car
- #define MMcadaar(x) (x)->c.c_car->c.c_car->c.c_cdr->c.c_car
- #define MMcadadr(x) (x)->c.c_cdr->c.c_car->c.c_cdr->c.c_car
- #define MMcaddar(x) (x)->c.c_car->c.c_cdr->c.c_cdr->c.c_car
- #define MMcadddr(x) (x)->c.c_cdr->c.c_cdr->c.c_cdr->c.c_car
- #define MMcdaaar(x) (x)->c.c_car->c.c_car->c.c_car->c.c_cdr
- #define MMcdaadr(x) (x)->c.c_cdr->c.c_car->c.c_car->c.c_cdr
- #define MMcdadar(x) (x)->c.c_car->c.c_cdr->c.c_car->c.c_cdr
- #define MMcdaddr(x) (x)->c.c_cdr->c.c_cdr->c.c_car->c.c_cdr
- #define MMcddaar(x) (x)->c.c_car->c.c_car->c.c_cdr->c.c_cdr
- #define MMcddadr(x) (x)->c.c_cdr->c.c_car->c.c_cdr->c.c_cdr
- #define MMcdddar(x) (x)->c.c_car->c.c_cdr->c.c_cdr->c.c_cdr
- #define MMcddddr(x) (x)->c.c_cdr->c.c_cdr->c.c_cdr->c.c_cdr
-
-
- #define MMnull(x) ((x)==Cnil)
-
-