X-Git-Url: https://git.hcoop.net/bpt/guile.git/blobdiff_plain/9db57a19e1204d6c458675bd8347fdfc00ecc3e8..d21ef2683860561e7b7fdcf2e4ab5523ea320534:/libguile/goops.h diff --git a/libguile/goops.h b/libguile/goops.h dissimilarity index 60% index b3071b039..daa2a9e1a 100644 --- a/libguile/goops.h +++ b/libguile/goops.h @@ -1,320 +1,150 @@ -/* classes: h_files */ - -#ifndef SCM_GOOPS_H -#define SCM_GOOPS_H - -/* Copyright (C) 1998,1999,2000,2001,2002,2003, 2006, 2008, 2009, 2011 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 software is a derivative work of other copyrighted softwares; the - * copyright notices of these softwares are placed in the file COPYRIGHTS - * - * This file is based upon stklos.h from the STk distribution by - * Erick Gallesio . - */ - -#include "libguile/__scm.h" - -#include "libguile/validate.h" - -/* {Class flags} - * - * These are used for efficient identification of instances of a - * certain class or its subclasses when traversal of the inheritance - * graph would be too costly. - */ -#define SCM_VTABLE_FLAG_GOOPS_CLASS SCM_VTABLE_FLAG_GOOPS_0 -#define SCM_VTABLE_FLAG_GOOPS_VALID SCM_VTABLE_FLAG_GOOPS_1 -#define SCM_VTABLE_FLAG_GOOPS_PURE_GENERIC SCM_VTABLE_FLAG_GOOPS_2 - -#define SCM_CLASS_OF(x) SCM_STRUCT_VTABLE (x) -#define SCM_CLASS_FLAGS(class) (SCM_VTABLE_FLAGS (class)) -#define SCM_OBJ_CLASS_FLAGS(obj) (SCM_STRUCT_VTABLE_FLAGS (obj)) -#define SCM_SET_CLASS_FLAGS(c, f) (SCM_SET_VTABLE_FLAGS (c, f)) -#define SCM_CLEAR_CLASS_FLAGS(c, f) (SCM_CLEAR_VTABLE_FLAGS (c, f)) - -#define SCM_CLASSF_METACLASS (SCM_VTABLE_FLAG_GOOPS_CLASS|SCM_VTABLE_FLAG_VTABLE) -#define SCM_CLASSF_PURE_GENERIC SCM_VTABLE_FLAG_GOOPS_PURE_GENERIC -#define SCM_CLASSF_GOOPS_VALID SCM_VTABLE_FLAG_GOOPS_VALID -#define SCM_CLASSF_GOOPS SCM_VTABLE_FLAG_GOOPS_CLASS -#define SCM_CLASSF_GOOPS_OR_VALID (SCM_CLASSF_GOOPS | SCM_CLASSF_GOOPS_VALID) - -/* - * scm_class_class - */ - -/* see also, SCM_VTABLE_BASE_LAYOUT, and build_class_class_slots */ -#define SCM_CLASS_CLASS_LAYOUT \ - "pw" /* redefined */ \ - "uw" /* h0 */ \ - "uw" /* h1 */ \ - "uw" /* h2 */ \ - "uw" /* h3 */ \ - "uw" /* h4 */ \ - "uw" /* h5 */ \ - "uw" /* h6 */ \ - "uw" /* h7 */ \ - "pw" /* direct supers */ \ - "pw" /* direct slots */ \ - "pw" /* direct subclasses */ \ - "pw" /* direct methods */ \ - "pw" /* cpl */ \ - "pw" /* default-slot-definition-class */ \ - "pw" /* slots */ \ - "pw" /* getters-n-setters */ \ - "pw" /* nfields */ - -#define scm_si_redefined (scm_vtable_offset_user + 0) -#define scm_si_h0 (scm_vtable_offset_user + 1) -#define scm_si_hashsets scm_si_h0 -#define scm_si_h1 (scm_vtable_offset_user + 2) -#define scm_si_h2 (scm_vtable_offset_user + 3) -#define scm_si_h3 (scm_vtable_offset_user + 4) -#define scm_si_h4 (scm_vtable_offset_user + 5) -#define scm_si_h5 (scm_vtable_offset_user + 6) -#define scm_si_h6 (scm_vtable_offset_user + 7) -#define scm_si_h7 (scm_vtable_offset_user + 8) -#define scm_si_direct_supers (scm_vtable_offset_user + 9) /* (class ...) */ -#define scm_si_direct_slots (scm_vtable_offset_user + 10) /* ((name . options) ...) */ -#define scm_si_direct_subclasses (scm_vtable_offset_user + 11) /* (class ...) */ -#define scm_si_direct_methods (scm_vtable_offset_user + 12) /* (methods ...) */ -#define scm_si_cpl (scm_vtable_offset_user + 13) /* (class ...) */ -#define scm_si_slotdef_class (scm_vtable_offset_user + 14) -#define scm_si_slots (scm_vtable_offset_user + 15) /* ((name . options) ...) */ -#define scm_si_getters_n_setters (scm_vtable_offset_user + 16) -#define scm_si_nfields (scm_vtable_offset_user + 17) /* an integer */ -#define SCM_N_CLASS_SLOTS (scm_vtable_offset_user + 18) - -typedef struct scm_t_method { - SCM generic_function; - SCM specializers; - SCM procedure; -} scm_t_method; - -#define SCM_METHOD(obj) ((scm_t_method *) SCM_STRUCT_DATA (obj)) - -#define SCM_OBJ_CLASS_REDEF(x) (SCM_PACK (SCM_STRUCT_VTABLE_DATA (x) [scm_si_redefined])) -#define SCM_INST(x) SCM_STRUCT_DATA (x) - -#define SCM_CLASS_OF(x) SCM_STRUCT_VTABLE (x) -#define SCM_ACCESSORS_OF(x) (SCM_PACK (SCM_STRUCT_VTABLE_DATA (x)[scm_si_getters_n_setters])) - -#define SCM_CLASSP(x) \ - (SCM_STRUCTP (x) && SCM_STRUCT_VTABLE_FLAGS (x) & SCM_CLASSF_METACLASS) -#define SCM_VALIDATE_CLASS(pos, x) SCM_MAKE_VALIDATE_MSG (pos, x, CLASSP, "class") - -#define SCM_INSTANCEP(x) \ - (SCM_STRUCTP (x) && (SCM_STRUCT_VTABLE_FLAGS (x) & SCM_CLASSF_GOOPS)) -#define SCM_VALIDATE_INSTANCE(pos, x) SCM_MAKE_VALIDATE_MSG (pos, x, INSTANCEP, "instance") - -#define SCM_PUREGENERICP(x) \ - (SCM_STRUCTP (x) && (SCM_STRUCT_VTABLE_FLAGS (x) & SCM_CLASSF_PURE_GENERIC)) -#define SCM_VALIDATE_PUREGENERIC(pos, x) SCM_MAKE_VALIDATE_MSG (pos, x, PUREGENERICP, "pure generic function") - -#define SCM_SLOT(x, i) (SCM_STRUCT_SLOT_REF (x, i)) -#define SCM_SET_SLOT(x, i, v) (SCM_STRUCT_SLOT_SET (x, i, v)) -#define SCM_INSTANCE_HASH(c, i) (SCM_INST (c) [scm_si_hashsets + (i)]) -#define SCM_SET_HASHSET(c, i, h) (SCM_INST (c) [scm_si_hashsets + (i)] = (h)) - -#define SCM_SUBCLASSP(c1, c2) (scm_is_true (scm_c_memq (c2, SCM_SLOT (c1, scm_si_cpl)))) -#define SCM_IS_A_P(x, c) \ - (SCM_INSTANCEP (x) && SCM_SUBCLASSP (SCM_CLASS_OF (x), c)) - -#define SCM_GENERICP(x) \ - (SCM_INSTANCEP (x) && SCM_SUBCLASSP (SCM_CLASS_OF (x), scm_class_generic)) -#define SCM_VALIDATE_GENERIC(pos, x) SCM_MAKE_VALIDATE_MSG (pos, x, GENERICP, "generic function") - -#define SCM_METHODP(x) \ - (SCM_INSTANCEP (x) && SCM_SUBCLASSP (SCM_CLASS_OF (x), scm_class_method)) -#define SCM_VALIDATE_METHOD(pos, x) SCM_MAKE_VALIDATE_MSG (pos, x, METHODP, "method") - -#define SCM_SET_CLASS_DESTRUCTOR(c, d) SCM_SET_VTABLE_DESTRUCTOR (c, d) - -#define SCM_SET_GENERIC_DISPATCH_PROCEDURE(G,C) (SCM_STRUCT_SLOT_SET (G, scm_si_dispatch_procedure, (C))) -#define SCM_CLEAR_GENERIC_EFFECTIVE_METHODS(G) (SCM_STRUCT_SLOT_SET (G, scm_si_effective_methods, SCM_EOL)); - -#define SCM_GENERIC_SETTER(G) (SCM_PACK (SCM_STRUCT_DATA (G) [scm_si_generic_setter])) -#define SCM_SET_GENERIC_SETTER(G,C) (SCM_STRUCT_DATA (G) [scm_si_generic_setter] = SCM_UNPACK (C)) - -#define scm_si_dispatch_procedure scm_applicable_struct_index_procedure /* 0 */ -#define scm_si_methods 1 -#define scm_si_n_specialized 2 -#define scm_si_extended_by 3 -#define scm_si_effective_methods 4 -#define scm_si_generic_setter 5 - -#define scm_si_generic_function 0 /* offset of gf slot in a */ -#define scm_si_specializers 1 /* offset of spec. slot in a */ -#define scm_si_procedure 2 /* offset of proc. slot in a */ -#define scm_si_formals 3 /* offset of form. slot in a */ -#define scm_si_body 4 /* offset of body slot in a */ -#define scm_si_make_procedure 5 /* offset of makep.slot in a */ - -/* C interface */ -SCM_API SCM scm_class_boolean; -SCM_API SCM scm_class_char; -SCM_API SCM scm_class_pair; -SCM_API SCM scm_class_procedure; -SCM_API SCM scm_class_string; -SCM_API SCM scm_class_symbol; -SCM_API SCM scm_class_primitive_generic; -SCM_API SCM scm_class_vector; -SCM_API SCM scm_class_null; -SCM_API SCM scm_class_real; -SCM_API SCM scm_class_complex; -SCM_API SCM scm_class_integer; -SCM_API SCM scm_class_fraction; -SCM_API SCM scm_class_unknown; -SCM_API SCM scm_port_class[]; -SCM_API SCM scm_smob_class[]; -SCM_API SCM scm_class_top; -SCM_API SCM scm_class_object; -SCM_API SCM scm_class_class; -SCM_API SCM scm_class_applicable; -SCM_API SCM scm_class_applicable_struct; -SCM_API SCM scm_class_applicable_struct_with_setter; -SCM_API SCM scm_class_generic; -SCM_API SCM scm_class_generic_with_setter; -SCM_API SCM scm_class_accessor; -SCM_API SCM scm_class_extended_generic; -SCM_API SCM scm_class_extended_generic_with_setter; -SCM_API SCM scm_class_extended_accessor; -SCM_API SCM scm_class_method; -SCM_API SCM scm_class_accessor_method; -SCM_API SCM scm_class_procedure_class; -SCM_API SCM scm_class_applicable_struct_class; -SCM_API SCM scm_class_number; -SCM_API SCM scm_class_list; -SCM_API SCM scm_class_keyword; -SCM_API SCM scm_class_port; -SCM_API SCM scm_class_input_output_port; -SCM_API SCM scm_class_input_port; -SCM_API SCM scm_class_output_port; -SCM_API SCM scm_class_foreign_slot; -SCM_API SCM scm_class_self; -SCM_API SCM scm_class_protected; -SCM_API SCM scm_class_hidden; -SCM_API SCM scm_class_opaque; -SCM_API SCM scm_class_read_only; -SCM_API SCM scm_class_protected_hidden; -SCM_API SCM scm_class_protected_opaque; -SCM_API SCM scm_class_protected_read_only; -SCM_API SCM scm_class_scm; -SCM_API SCM scm_class_int; -SCM_API SCM scm_class_float; -SCM_API SCM scm_class_double; -SCM_API const char *scm_s_slot_set_x; - -SCM_API SCM scm_no_applicable_method; - -SCM_API SCM scm_module_goops; - -SCM_API SCM scm_goops_version (void); -SCM_API SCM scm_oldfmt (SCM); -SCM_API char *scm_c_oldfmt0 (char *); -SCM_API char *scm_c_oldfmt (char *, int n); -SCM_API void scm_load_goops (void); -SCM_API SCM scm_make_extended_class (char const *type_name, int applicablep); -SCM_API void scm_make_port_classes (long ptobnum, char *type_name); -SCM_API SCM scm_ensure_accessor (SCM name); -SCM_API SCM scm_class_of (SCM obj); - -/* Low level functions exported */ -SCM_API SCM scm_make_next_method (SCM methods, SCM args, SCM gf); -SCM_API SCM scm_basic_basic_make_class (SCM c, SCM name, SCM dsupers, SCM dslots); -SCM_API SCM scm_basic_make_class (SCM c, SCM name, SCM dsupers, SCM dslots); - -/* Primitives exported */ -SCM_API SCM scm_sys_allocate_instance (SCM c, SCM initargs); -SCM_API SCM scm_sys_set_object_setter_x (SCM obj, SCM setter); -SCM_API SCM scm_slot_ref (SCM obj, SCM slot_name); -SCM_API SCM scm_slot_set_x (SCM obj, SCM slot_name, SCM value); - -SCM_API SCM scm_compute_applicable_methods (SCM gf, SCM args, long len, int scm_find_method); -SCM_API SCM scm_sys_compute_applicable_methods (SCM gf, SCM args); -#ifdef GUILE_DEBUG -SCM_API SCM scm_pure_generic_p (SCM obj); -#endif - -SCM_API SCM scm_sys_compute_slots (SCM c); -SCM_INTERNAL void scm_i_inherit_applicable (SCM c); -SCM_INTERNAL SCM scm_i_get_keyword (SCM key, SCM l, long len, - SCM default_value, const char *subr); -SCM_API SCM scm_get_keyword (SCM key, SCM l, SCM default_value); -SCM_API SCM scm_sys_initialize_object (SCM obj, SCM initargs); -SCM_API SCM scm_sys_prep_layout_x (SCM c); -SCM_API SCM scm_sys_inherit_magic_x (SCM c, SCM dsupers); -SCM_API SCM scm_instance_p (SCM obj); -SCM_API SCM scm_class_name (SCM obj); -SCM_API SCM scm_class_direct_supers (SCM obj); -SCM_API SCM scm_class_direct_slots (SCM obj); -SCM_API SCM scm_class_direct_subclasses (SCM obj); -SCM_API SCM scm_class_direct_methods (SCM obj); -SCM_API SCM scm_class_precedence_list (SCM obj); -SCM_API SCM scm_class_slots (SCM obj); -SCM_API SCM scm_generic_function_name (SCM obj); -SCM_API SCM scm_generic_function_methods (SCM obj); -SCM_API SCM scm_method_generic_function (SCM obj); -SCM_API SCM scm_method_specializers (SCM obj); -SCM_API SCM scm_method_procedure (SCM obj); -SCM_API SCM scm_sys_fast_slot_ref (SCM obj, SCM index); -SCM_API SCM scm_sys_fast_slot_set_x (SCM obj, SCM index, SCM value); -SCM_API SCM scm_slot_ref_using_class (SCM cls, SCM obj, SCM slot_name); -SCM_API SCM scm_slot_set_using_class_x (SCM cls, SCM obj, SCM slot_name, SCM value); -SCM_API SCM scm_slot_bound_using_class_p (SCM cls, SCM obj, SCM slot_name); -SCM_API SCM scm_slot_exists_using_class_p (SCM cls, SCM obj, SCM slot_name); -SCM_API SCM scm_slot_bound_p (SCM obj, SCM slot_name); -SCM_API SCM scm_slot_exists_p (SCM obj, SCM slot_name); -SCM_API SCM scm_sys_modify_instance (SCM old, SCM newinst); -SCM_API SCM scm_sys_modify_class (SCM old, SCM newcls); -SCM_API SCM scm_sys_invalidate_class (SCM cls); -SCM_API SCM scm_sys_invalidate_method_cache_x (SCM gf); -SCM_API SCM scm_generic_capability_p (SCM proc); -SCM_API SCM scm_enable_primitive_generic_x (SCM subrs); -SCM_INTERNAL SCM scm_set_primitive_generic_x (SCM subr, SCM generic); -SCM_API SCM scm_primitive_generic_generic (SCM subr); -SCM_API void scm_c_extend_primitive_generic (SCM subr, SCM extension); -SCM_API SCM stklos_version (void); -SCM_API SCM scm_make (SCM args); -SCM_API SCM scm_find_method (SCM args); -SCM_API SCM scm_sys_method_more_specific_p (SCM m1, SCM m2, SCM targs); -SCM_API void scm_change_object_class (SCM, SCM, SCM); - -/* These procedures are for dispatching to a generic when a primitive - fails to apply. They raise a wrong-type-arg error if the primitive's - generic has not been initialized yet. */ -SCM_API SCM scm_wta_dispatch_0 (SCM gf, const char *subr); -SCM_API SCM scm_wta_dispatch_1 (SCM gf, SCM a1, int pos, const char *subr); -SCM_API SCM scm_wta_dispatch_2 (SCM gf, SCM a1, SCM a2, int pos, const char *subr); -SCM_API SCM scm_wta_dispatch_n (SCM gf, SCM args, int pos, const char *subr); - -SCM_INTERNAL SCM scm_i_define_class_for_vtable (SCM vtable); - - -SCM_INTERNAL SCM scm_init_goops_builtins (void); -SCM_INTERNAL void scm_init_goops (void); - -#endif /* SCM_GOOPS_H */ - -/* - Local Variables: - c-file-style: "gnu" - End: -*/ +/* classes: h_files */ + +#ifndef SCM_GOOPS_H +#define SCM_GOOPS_H + +/* Copyright (C) 1998,1999,2000,2001,2002,2003, 2006, 2008, 2009, 2011, 2015 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 software is a derivative work of other copyrighted softwares; the + * copyright notices of these softwares are placed in the file COPYRIGHTS + * + * This file is based upon stklos.h from the STk distribution by + * Erick Gallesio . + */ + +#include "libguile/__scm.h" + +#include "libguile/validate.h" + +/* {Class flags} + * + * These are used for efficient identification of instances of a + * certain class or its subclasses when traversal of the inheritance + * graph would be too costly. + */ +#define SCM_VTABLE_FLAG_GOOPS_CLASS SCM_VTABLE_FLAG_GOOPS_0 +#define SCM_VTABLE_FLAG_GOOPS_VALID SCM_VTABLE_FLAG_GOOPS_1 +#define SCM_VTABLE_FLAG_GOOPS_SLOT SCM_VTABLE_FLAG_GOOPS_2 + +#define SCM_CLASS_OF(x) SCM_STRUCT_VTABLE (x) +#define SCM_CLASS_FLAGS(class) (SCM_VTABLE_FLAGS (class)) +#define SCM_OBJ_CLASS_FLAGS(obj) (SCM_STRUCT_VTABLE_FLAGS (obj)) +#define SCM_SET_CLASS_FLAGS(c, f) (SCM_SET_VTABLE_FLAGS (c, f)) +#define SCM_CLEAR_CLASS_FLAGS(c, f) (SCM_CLEAR_VTABLE_FLAGS (c, f)) + +#define SCM_CLASSF_METACLASS (SCM_VTABLE_FLAG_GOOPS_CLASS|SCM_VTABLE_FLAG_VTABLE) +#define SCM_CLASSF_GOOPS_VALID SCM_VTABLE_FLAG_GOOPS_VALID +#define SCM_CLASSF_GOOPS SCM_VTABLE_FLAG_GOOPS_CLASS +#define SCM_CLASSF_GOOPS_OR_VALID (SCM_CLASSF_GOOPS | SCM_CLASSF_GOOPS_VALID) + +#define SCM_CLASS_OF(x) SCM_STRUCT_VTABLE (x) + +#define SCM_CLASSP(x) \ + (SCM_STRUCTP (x) && SCM_STRUCT_VTABLE_FLAGS (x) & SCM_CLASSF_METACLASS) +#define SCM_VALIDATE_CLASS(pos, x) SCM_MAKE_VALIDATE_MSG (pos, x, CLASSP, "class") + +#define SCM_INSTANCEP(x) \ + (SCM_STRUCTP (x) && (SCM_STRUCT_VTABLE_FLAGS (x) & SCM_CLASSF_GOOPS)) +#define SCM_VALIDATE_INSTANCE(pos, x) SCM_MAKE_VALIDATE_MSG (pos, x, INSTANCEP, "instance") + +#define SCM_SLOT(x, i) (SCM_STRUCT_SLOT_REF (x, i)) +#define SCM_SET_SLOT(x, i, v) (SCM_STRUCT_SLOT_SET (x, i, v)) + +#define SCM_SUBCLASSP(c1, c2) \ + (scm_is_true (scm_c_memq (c2, scm_class_precedence_list (c1)))) +#define SCM_IS_A_P(x, c) \ + (SCM_INSTANCEP (x) && SCM_SUBCLASSP (SCM_CLASS_OF (x), c)) + +#define SCM_GENERICP(x) (scm_is_generic (x)) +#define SCM_VALIDATE_GENERIC(pos, x) SCM_MAKE_VALIDATE_MSG (pos, x, GENERICP, "generic function") + +#define SCM_METHODP(x) (scm_is_method (x)) +#define SCM_VALIDATE_METHOD(pos, x) SCM_MAKE_VALIDATE_MSG (pos, x, METHODP, "method") + +#define SCM_SET_CLASS_DESTRUCTOR(c, d) SCM_SET_VTABLE_DESTRUCTOR (c, d) + +SCM_INTERNAL SCM scm_i_port_class[]; +SCM_INTERNAL SCM scm_i_smob_class[]; + +SCM_API SCM scm_module_goops; + +SCM_API SCM scm_goops_version (void); +SCM_API void scm_load_goops (void); +SCM_API SCM scm_make_extended_class (char const *type_name, int applicablep); +SCM_API void scm_make_port_classes (long ptobnum, char *type_name); +SCM_API SCM scm_ensure_accessor (SCM name); +SCM_API SCM scm_class_of (SCM obj); + +/* Low level functions exported */ +SCM_INTERNAL SCM scm_make_standard_class (SCM meta, SCM name, SCM dsupers, + SCM dslots); + +/* Primitives exported */ +SCM_API SCM scm_slot_ref (SCM obj, SCM slot_name); +SCM_API SCM scm_slot_set_x (SCM obj, SCM slot_name, SCM value); + +SCM_INTERNAL void scm_i_inherit_applicable (SCM c); +SCM_API SCM scm_instance_p (SCM obj); +SCM_API int scm_is_generic (SCM x); +SCM_API int scm_is_method (SCM x); +SCM_API SCM scm_class_name (SCM obj); +SCM_API SCM scm_class_direct_supers (SCM obj); +SCM_API SCM scm_class_direct_slots (SCM obj); +SCM_API SCM scm_class_direct_subclasses (SCM obj); +SCM_API SCM scm_class_direct_methods (SCM obj); +SCM_API SCM scm_class_precedence_list (SCM obj); +SCM_API SCM scm_class_slots (SCM obj); +SCM_API SCM scm_generic_function_name (SCM obj); +SCM_API SCM scm_generic_function_methods (SCM obj); +SCM_API SCM scm_method_generic_function (SCM obj); +SCM_API SCM scm_method_specializers (SCM obj); +SCM_API SCM scm_method_procedure (SCM obj); +SCM_API SCM scm_slot_bound_p (SCM obj, SCM slot_name); +SCM_API SCM scm_slot_exists_p (SCM obj, SCM slot_name); +SCM_API SCM scm_sys_modify_instance (SCM old, SCM newinst); +SCM_API SCM scm_sys_modify_class (SCM old, SCM newcls); +SCM_API SCM scm_generic_capability_p (SCM proc); +SCM_API SCM scm_enable_primitive_generic_x (SCM subrs); +SCM_INTERNAL SCM scm_set_primitive_generic_x (SCM subr, SCM generic); +SCM_API SCM scm_primitive_generic_generic (SCM subr); +SCM_API SCM scm_make (SCM args); +SCM_API void scm_change_object_class (SCM, SCM, SCM); + +/* These procedures are for dispatching to a generic when a primitive + fails to apply. They raise a wrong-type-arg error if the primitive's + generic has not been initialized yet. */ +SCM_API SCM scm_wta_dispatch_0 (SCM gf, const char *subr); +SCM_API SCM scm_wta_dispatch_1 (SCM gf, SCM a1, int pos, const char *subr); +SCM_API SCM scm_wta_dispatch_2 (SCM gf, SCM a1, SCM a2, int pos, const char *subr); +SCM_API SCM scm_wta_dispatch_n (SCM gf, SCM args, int pos, const char *subr); + +SCM_INTERNAL SCM scm_i_define_class_for_vtable (SCM vtable); + + +SCM_INTERNAL void scm_init_goops (void); + +#endif /* SCM_GOOPS_H */ + +/* + Local Variables: + c-file-style: "gnu" + End: +*/