#ifndef SCM_GOOPS_H
#define SCM_GOOPS_H
-/* Copyright (C) 1998,1999,2000,2001,2002,2003, 2006, 2008 Free Software Foundation, Inc.
+/* 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 2.1 of the License, or (at your option) any later version.
+ * 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
+ * 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
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301 USA
*/
\f
#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
*/
-#define SCM_CLASS_CLASS_LAYOUT "prsrpwpopopwururururururururpwpwpwpwpwpwpwpwpwpwpwpw"
-
-#define scm_si_layout 0 /* the struct layout */
-#define scm_si_vtable 1
-#define scm_si_print 2 /* the struct print closure */
-#define scm_si_proc 3
-#define scm_si_setter 4
-
-#define scm_si_goops_fields 5
-
-/* Defined in libguile/objects.h:
-#define scm_si_redefined 5 The class to which class was redefined.
-#define scm_si_hashsets 6
-*/
-#define scm_si_name 14 /* a symbol */
-#define scm_si_direct_supers 15 /* (class ...) */
-#define scm_si_direct_slots 16 /* ((name . options) ...) */
-#define scm_si_direct_subclasses 17 /* (class ...) */
-#define scm_si_direct_methods 18 /* (methods ...) */
-#define scm_si_cpl 19 /* (class ...) */
-#define scm_si_slotdef_class 20
-#define scm_si_slots 21 /* ((name . options) ...) */
-#define scm_si_name_access 22
-#define scm_si_keyword_access 23
-#define scm_si_nfields 24 /* an integer */
-#define scm_si_environment 25 /* The environment in which class is built */
-#define SCM_N_CLASS_SLOTS 26
+/* 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" /* keyword access */ \
+ "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_name_access (scm_vtable_offset_user + 16)
+#define scm_si_getters_n_setters scm_si_name_access
+#define scm_si_keyword_access (scm_vtable_offset_user + 17)
+#define scm_si_nfields (scm_vtable_offset_user + 18) /* an integer */
+#define SCM_N_CLASS_SLOTS (scm_vtable_offset_user + 19)
typedef struct scm_t_method {
SCM generic_function;
#define SCM_METHOD(obj) ((scm_t_method *) SCM_STRUCT_DATA (obj))
-#define SCM_CLASSF_SIMPLE_METHOD (0x004 << 20)
-#define SCM_CLASSF_ACCESSOR_METHOD (0x008 << 20)
-
-/* Defined in libguile/objects.c */
-/* #define SCM_CLASSF_PURE_GENERIC (0x010 << 20) */
-
-#define SCM_CLASSF_FOREIGN (0x020 << 20)
-#define SCM_CLASSF_METACLASS (0x040 << 20)
-
-/* Defined in libguile/objects.c */
-/* #define SCM_CLASSF_GOOPS_VALID (0x080 << 20) */
-/* #define SCM_CLASSF_GOOPS (0x100 << 20) */
-#define SCM_CLASSF_GOOPS_OR_VALID (SCM_CLASSF_GOOPS | SCM_CLASSF_GOOPS_VALID)
-
-#define SCM_CLASSF_INHERIT (~(SCM_CLASSF_PURE_GENERIC \
- | SCM_CLASSF_SIMPLE_METHOD \
- | SCM_CLASSF_ACCESSOR_METHOD \
- | SCM_STRUCTF_LIGHT) \
- & SCM_CLASSF_MASK)
-
+#define SCM_OBJ_CLASS_REDEF(x) (SCM_PACK (SCM_STRUCT_VTABLE_DATA (x) [scm_si_redefined]))
#define SCM_INST(x) SCM_STRUCT_DATA (x)
-/* Also defined in libguile/objects.c */
#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]))
(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_ACCESSORP(x) \
- (SCM_STRUCTP (x) && (SCM_STRUCT_VTABLE_FLAGS (x) & SCM_CLASSF_ACCESSOR_METHOD))
-#define SCM_VALIDATE_ACCESSOR(pos, x) SCM_MAKE_VALIDATE_MSG (pos, x, ACCESSORP, "accessor")
-
-#define SCM_SLOT(x, i) (SCM_PACK (SCM_INST (x) [i]))
-#define SCM_SET_SLOT(x, i, v) (SCM_INST (x) [i] = SCM_UNPACK (v))
+#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))
(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_MCACHE_N_SPECIALIZED(C) SCM_CADDR (C)
-#define SCM_SET_MCACHE_N_SPECIALIZED(C, X) SCM_SETCAR (SCM_CDDR (C), X)
+#define SCM_SET_CLASS_DESTRUCTOR(c, d) SCM_SET_VTABLE_DESTRUCTOR (c, d)
-#define SCM_INITIAL_MCACHE_SIZE 1
-
-#define scm_si_getters_n_setters scm_si_name_access
+#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_si_constructor SCM_N_CLASS_SLOTS
-#define scm_si_destructor SCM_N_CLASS_SLOTS + 1
+#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_methods 0 /* offset of methods slot in a <generic> */
-#define scm_si_n_specialized 1
-#define scm_si_used_by 2
-#define scm_si_cache_mutex 3
+#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 <method> */
#define scm_si_specializers 1 /* offset of spec. slot in a <method> */
-
#define scm_si_procedure 2 /* offset of proc. slot in a <method> */
-#define scm_si_code_table 3 /* offset of code. slot in a <method> */
+#define scm_si_formals 3 /* offset of form. slot in a <method> */
+#define scm_si_body 4 /* offset of body slot in a <method> */
+#define scm_si_make_procedure 5 /* offset of makep.slot in a <method> */
/* C interface */
SCM_API SCM scm_class_boolean;
SCM_API SCM scm_class_procedure;
SCM_API SCM scm_class_string;
SCM_API SCM scm_class_symbol;
-SCM_API SCM scm_class_procedure_with_setter;
SCM_API SCM scm_class_primitive_generic;
-SCM_API SCM scm_class_vector, scm_class_null;
+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_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_entity;
-SCM_API SCM scm_class_entity_with_setter;
+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_with_setter;
SCM_API SCM scm_class_extended_accessor;
SCM_API SCM scm_class_method;
-SCM_API SCM scm_class_simple_method;
SCM_API SCM scm_class_accessor_method;
SCM_API SCM scm_class_procedure_class;
-SCM_API SCM scm_class_operator_class;
-SCM_API SCM scm_class_operator_with_setter_class;
-SCM_API SCM scm_class_entity_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_input_output_port;
SCM_API SCM scm_class_input_port;
SCM_API SCM scm_class_output_port;
-SCM_API SCM scm_class_foreign_class;
-SCM_API SCM scm_class_foreign_object;
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 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_foreign_object (SCM cls, SCM initargs);
-SCM_API SCM scm_make_class (SCM meta, char *s_name, SCM supers, size_t size,
- void * (*constructor) (SCM initargs),
- size_t (*destructor) (void *));
-SCM_API void scm_add_slot (SCM c, char *slot, SCM slot_class,
- SCM (*getter) (SCM obj),
- SCM (*setter) (SCM obj, SCM x),
- char *accessor_name);
-SCM_API SCM scm_wrap_object (SCM c, void *);
-SCM_API SCM scm_wrap_component (SCM c, SCM obj, 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 void scm_add_method (SCM gf, SCM m);
SCM_API SCM scm_class_of (SCM obj);
/* Low level functions exported */
#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_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_class_environment (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_accessor_method_slot_definition (SCM obj);
-SCM_API SCM scm_sys_tag_body (SCM body);
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_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_make_method_cache (SCM gf);
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);
+/* The following are declared in __scm.h
+SCM_API SCM scm_call_generic_0 (SCM gf);
+SCM_API SCM scm_call_generic_1 (SCM gf, SCM a1);
+SCM_API SCM scm_call_generic_2 (SCM gf, SCM a1, SCM a2);
+SCM_API SCM scm_apply_generic (SCM gf, SCM args);
+*/
+SCM_API SCM scm_call_generic_3 (SCM gf, SCM a1, SCM a2, SCM a3);
-SCM_INTERNAL SCM scm_init_goops_builtins (void);
-SCM_INTERNAL void scm_init_goops (void);
-
-#if (SCM_ENABLE_DEPRECATED == 1)
-
-#define SCM_INST_TYPE(x) SCM_OBJ_CLASS_FLAGS (x)
-#define SCM_SIMPLEMETHODP(x) \
- (SCM_STRUCTP (x) && (SCM_STRUCT_VTABLE_FLAGS (x) & SCM_CLASSF_SIMPLE_METHOD))
-#define SCM_FASTMETHODP(x) \
- (SCM_STRUCTP (x) && (SCM_STRUCT_VTABLE_FLAGS (x) \
- & (SCM_CLASSF_ACCESSOR_METHOD \
- | SCM_CLASSF_SIMPLE_METHOD)))
+SCM_INTERNAL SCM scm_i_define_class_for_vtable (SCM vtable);
-#endif
+SCM_INTERNAL SCM scm_init_goops_builtins (void);
+SCM_INTERNAL void scm_init_goops (void);
#endif /* SCM_GOOPS_H */
HCoop / bpt / guile.git / blobdiff