/* Copyright (C) 1995,1996,1997,1998 Free Software Foundation, Inc. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2, or (at your option) * any later version. * * This program 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this software; see the file COPYING. If not, write to * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, * Boston, MA 02111-1307 USA * * As a special exception, the Free Software Foundation gives permission * for additional uses of the text contained in its release of GUILE. * * The exception is that, if you link the GUILE library with other files * to produce an executable, this does not by itself cause the * resulting executable to be covered by the GNU General Public License. * Your use of that executable is in no way restricted on account of * linking the GUILE library code into it. * * This exception does not however invalidate any other reasons why * the executable file might be covered by the GNU General Public License. * * This exception applies only to the code released by the * Free Software Foundation under the name GUILE. If you copy * code from other Free Software Foundation releases into a copy of * GUILE, as the General Public License permits, the exception does * not apply to the code that you add in this way. To avoid misleading * anyone as to the status of such modified files, you must delete * this exception notice from them. * * If you write modifications of your own for GUILE, it is your choice * whether to permit this exception to apply to your modifications. * If you do not wish that, delete this exception notice. */ #ifndef __GH_H #define __GH_H #ifdef __cplusplus extern "C" { #endif #include #include /* gcc has extern inline functions that are basically as fast as macros */ #ifdef __GNUC__ # define INL inline # define EXTINL extern inline #else # define INL #define EXTINL #endif /* __GNUC__ */ void gh_enter(int argc, char *argv[], void (*c_main_prog)()); void gh_repl(int argc, char *argv[]); SCM gh_catch(SCM tag, scm_catch_body_t body, void *body_data, scm_catch_handler_t handler, void *handler_data); SCM gh_standard_handler(void *data, SCM tag, SCM throw_args); SCM gh_eval_str(char *scheme_code); SCM gh_eval_str_with_catch(char *scheme_code, scm_catch_handler_t handler); SCM gh_eval_str_with_standard_handler(char *scheme_code); SCM gh_eval_str_with_stack_saving_handler(char *scheme_code); SCM gh_eval_file(char *fname); #define gh_load(fname) gh_eval_file(fname) SCM gh_eval_file_with_catch(char *scheme_code, scm_catch_handler_t handler); SCM gh_eval_file_with_standard_handler(char *scheme_code); #define gh_defer_ints() SCM_DEFER_INTS #define gh_allow_ints() SCM_ALLOW_INTS SCM gh_new_procedure(char *proc_name, SCM (*fn)(), int n_required_args, int n_optional_args, int varp); SCM gh_new_procedure0_0(char *proc_name, SCM (*fn)()); SCM gh_new_procedure0_1(char *proc_name, SCM (*fn)()); SCM gh_new_procedure0_2(char *proc_name, SCM (*fn)()); SCM gh_new_procedure1_0(char *proc_name, SCM (*fn)()); SCM gh_new_procedure1_1(char *proc_name, SCM (*fn)()); SCM gh_new_procedure1_2(char *proc_name, SCM (*fn)()); SCM gh_new_procedure2_0(char *proc_name, SCM (*fn)()); SCM gh_new_procedure2_1(char *proc_name, SCM (*fn)()); SCM gh_new_procedure2_2(char *proc_name, SCM (*fn)()); SCM gh_new_procedure3_0(char *proc_name, SCM (*fn)()); SCM gh_new_procedure4_0(char *proc_name, SCM (*fn)()); SCM gh_new_procedure5_0(char *proc_name, SCM (*fn)()); /* C to Scheme conversion */ SCM gh_int2scmb(int x); /* this is being phased out */ SCM gh_bool2scm(int x); SCM gh_int2scm(int x); SCM gh_ulong2scm(unsigned long x); SCM gh_long2scm(long x); SCM gh_double2scm(double x); SCM gh_char2scm(char c); SCM gh_str2scm(char *s, int len); SCM gh_str02scm(char *s); void gh_set_substr(char *src, SCM dst, int start, int len); SCM gh_symbol2scm(char *symbol_str); SCM gh_ints2scm(int *d, int n); SCM gh_longs2ivect(long *d, int n); SCM gh_ulongs2uvect(unsigned long *d, int n); SCM gh_doubles2scm(double *d, int n); #ifdef SCM_FLOATS SCM gh_doubles2dvect(double *d, int n); #endif /* Scheme to C conversion */ int gh_scm2bool(SCM obj); int gh_scm2int(SCM obj); unsigned long gh_scm2ulong(SCM obj); long gh_scm2long(SCM obj); char gh_scm2char(SCM obj); double gh_scm2double(SCM obj); char *gh_scm2newstr(SCM str, int *lenp); void gh_get_substr(SCM src, char *dst, int start, int len); char *gh_symbol2newstr(SCM sym, int *lenp); double *gh_scm2doubles(SCM vector); /* type predicates: tell you if an SCM object has a given type */ int gh_boolean_p(SCM val); int gh_symbol_p(SCM val); int gh_char_p(SCM val); int gh_vector_p(SCM val); int gh_pair_p(SCM val); int gh_number_p(SCM val); int gh_string_p(SCM val); int gh_procedure_p(SCM val); int gh_list_p(SCM val); int gh_inexact_p(SCM val); int gh_exact_p(SCM val); /* more predicates */ int gh_eq_p(SCM x, SCM y); int gh_eqv_p(SCM x, SCM y); int gh_equal_p(SCM x, SCM y); int gh_string_equal_p(SCM s1, SCM s2); int gh_null_p(SCM l); /* standard Scheme procedures available from C */ #define gh_not(x) scm_not(x) SCM gh_define(char *name, SCM val); /* vector manipulation routines */ /* note that gh_vector() does not behave quite like the Scheme (vector obj1 obj2 ...), because the interpreter engine does not pass the data element by element, but rather as a list. thus, gh_vector() ends up being identical to gh_list_to_vector() */ #define gh_vector(ls) scm_vector(ls) SCM gh_make_vector(SCM length, SCM val); SCM gh_vector_set_x(SCM vec, SCM pos, SCM val); SCM gh_vector_ref(SCM vec, SCM pos); unsigned long gh_vector_length (SCM v); unsigned long gh_uniform_vector_length (SCM v); SCM gh_uniform_vector_ref (SCM v, SCM ilist); #define gh_list_to_vector(ls) scm_vector(ls) #define gh_vector_to_list(v) scm_vector_to_list(ls) SCM gh_lookup (char *sname); SCM gh_module_lookup (SCM vector, char *sname); SCM gh_cons(SCM x, SCM y); #define gh_list scm_listify unsigned long gh_length(SCM l); SCM gh_append(SCM args); SCM gh_append2(SCM l1, SCM l2); SCM gh_append3(SCM l1, SCM l2, SCM l3); SCM gh_append4(SCM l1, SCM l2, SCM l3, SCM l4); #define gh_reverse(ls) scm_reverse(ls) #define gh_list_tail(ls, k) scm_list_tail(ls, k) #define gh_list_ref(ls, k) scm_list_ref(ls, k) #define gh_memq(x, ls) scm_memq(x, ls) #define gh_memv(x, ls) scm_memv(x, ls) #define gh_member(x, ls) scm_member(x, ls) #define gh_assq(x, alist) scm_assq(x, alist) #define gh_assv(x, alist) scm_assv(x, alist) #define gh_assoc(x, alist) scm_assoc(x, alist) SCM gh_car(SCM x); SCM gh_cdr(SCM x); SCM gh_caar(SCM x); SCM gh_cadr(SCM x); SCM gh_cdar(SCM x); SCM gh_cddr(SCM x); SCM gh_caaar(SCM x); SCM gh_caadr(SCM x); SCM gh_cadar(SCM x); SCM gh_caddr(SCM x); SCM gh_cdaar(SCM x); SCM gh_cdadr(SCM x); SCM gh_cddar(SCM x); SCM gh_cdddr(SCM x); SCM gh_set_car_x(SCM pair, SCM value); SCM gh_set_cdr_x(SCM pair, SCM value); /* Calling Scheme functions from C. */ SCM gh_apply (SCM proc, SCM ls); SCM gh_call0 (SCM proc); SCM gh_call1 (SCM proc, SCM arg); SCM gh_call2 (SCM proc, SCM arg1, SCM arg2); SCM gh_call3 (SCM proc, SCM arg1, SCM arg2, SCM arg3); /* reading and writing Scheme objects. */ void gh_display (SCM x); void gh_write (SCM x); void gh_newline (void); /* void gh_gc_mark(SCM) : mark an SCM as in use. */ /* void gh_defer_ints() : don't interrupt code section. */ /* void gh_allow_ints() : see gh_defer_ints(). */ /* void gh_new_cell(SCM, int tag) : initialize SCM to be of type 'tag' */ /* int gh_type_p(SCM, tag) : test if SCM is of type 'tag' */ /* SCM gh_intern(char*) : get symbol corresponding to c-string.*/ /* void gh_set_ext_data(SCM, void*) : set extension data on SCM */ /* void *gh_get_ext_data(SCM) : return extension data from SCM. */ /* void gh_assert(int cond, char *msg, SCM obj); */ #ifdef __cplusplus } #endif #endif /* __GH_H */