/* classes: h_files */
-#ifndef OBJECTSH
-#define OBJECTSH
-
-/* Copyright (C) 1996 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,
+#ifndef SCM_OBJECTS_H
+#define SCM_OBJECTS_H
+
+/* Copyright (C) 1996,1999,2000,2001, 2003, 2006, 2008 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.
+ *
+ * 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 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. */
+ * 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
+ */
+
\f
/* This file and objects.c contains those minimal pieces of the Guile
* certain class or its subclasses when traversal of the inheritance
* graph would be too costly.
*/
-#define SCM_CLASS_FLAGS(class) (SCM_STRUCT_DATA (class)[scm_struct_i_tag])
-#define SCM_OBJ_CLASS_FLAGS(obj)\
-(SCM_STRUCT_VTABLE_DATA (obj)[scm_struct_i_tag])
+#define SCM_CLASS_FLAGS(class) (SCM_STRUCT_DATA (class) [scm_struct_i_flags])
+#define SCM_OBJ_CLASS_FLAGS(obj) (SCM_STRUCT_VTABLE_DATA (obj) [scm_struct_i_flags])
#define SCM_SET_CLASS_FLAGS(c, f) (SCM_CLASS_FLAGS (c) |= (f))
#define SCM_CLEAR_CLASS_FLAGS(c, f) (SCM_CLASS_FLAGS (c) &= ~(f))
-#define SCM_CLASSF_MASK (0xFF << 24)
+#define SCM_CLASSF_MASK SCM_STRUCTF_MASK
-/* Operator classes need to be identified in the evaluator. */
-#define SCM_CLASSF_OPERATOR (1L << 30)
-/* Entities also have SCM_CLASSF_OPERATOR set in their vtable. */
-#define SCM_CLASSF_ENTITY (1L << 29)
+#define SCM_CLASSF_ENTITY SCM_STRUCTF_ENTITY
+/* Operator classes need to be identified in the evaluator.
+ (Entities also have SCM_CLASSF_OPERATOR set in their vtable.) */
+#define SCM_CLASSF_OPERATOR (1L << 29)
#define SCM_I_OPERATORP(obj)\
-((SCM_OBJ_CLASS_FLAGS (obj) & SCM_CLASSF_OPERATOR) != 0)
+ ((SCM_OBJ_CLASS_FLAGS (obj) & SCM_CLASSF_OPERATOR) != 0)
#define SCM_OPERATOR_CLASS(obj)\
((struct scm_metaclass_operator *) SCM_STRUCT_DATA (obj))
#define SCM_OBJ_OPERATOR_CLASS(obj)\
((struct scm_metaclass_operator *) SCM_STRUCT_VTABLE_DATA (obj))
-#define SCM_OPERATOR_PROC_0(obj) (SCM_OBJ_OPERATOR_CLASS (obj)->proc0)
-#define SCM_OPERATOR_PROC_1(obj) (SCM_OBJ_OPERATOR_CLASS (obj)->proc1)
-#define SCM_OPERATOR_PROC_2(obj) (SCM_OBJ_OPERATOR_CLASS (obj)->proc2)
-#define SCM_OPERATOR_PROC_3(obj) (SCM_OBJ_OPERATOR_CLASS (obj)->proc3)
+#define SCM_OPERATOR_PROCEDURE(obj) (SCM_OBJ_OPERATOR_CLASS (obj)->procedure)
+#define SCM_OPERATOR_SETTER(obj) (SCM_OBJ_OPERATOR_CLASS (obj)->setter)
#define SCM_I_ENTITYP(obj)\
-((SCM_OBJ_CLASS_FLAGS (obj) & SCM_CLASSF_ENTITY) != 0)
-#define SCM_ENTITY(obj) ((scm_entity*) SCM_STRUCT_DATA (obj))
-#define SCM_ENTITY_PROC_0(obj) (SCM_ENTITY (obj)->proc0)
-#define SCM_ENTITY_PROC_1(obj) (SCM_ENTITY (obj)->proc1)
-#define SCM_ENTITY_PROC_2(obj) (SCM_ENTITY (obj)->proc2)
-#define SCM_ENTITY_PROC_3(obj) (SCM_ENTITY (obj)->proc3)
+ ((SCM_OBJ_CLASS_FLAGS (obj) & SCM_CLASSF_ENTITY) != 0)
+#define SCM_ENTITY_PROCEDURE(obj) \
+ (SCM_PACK (SCM_STRUCT_DATA (obj) [scm_struct_i_procedure]))
+#define SCM_SET_ENTITY_PROCEDURE(obj, v) \
+ (SCM_STRUCT_DATA (obj) [scm_struct_i_procedure] = SCM_UNPACK (v))
+#define SCM_ENTITY_SETTER(obj) (SCM_PACK (SCM_STRUCT_DATA (obj)[scm_struct_i_setter]))
+#define SCM_SET_ENTITY_SETTER(obj, v) \
+ (SCM_STRUCT_DATA (obj) [scm_struct_i_setter] = SCM_UNPACK (v))
+
+#define SCM_SET_CLASS_DESTRUCTOR(c, d) SCM_SET_VTABLE_DESTRUCTOR (c, d)
+#define SCM_SET_CLASS_INSTANCE_SIZE(c, s) \
+ (SCM_STRUCT_DATA (c)[scm_struct_i_size] \
+ = (SCM_STRUCT_DATA (c) [scm_struct_i_size] & SCM_STRUCTF_MASK) | s)
/* {Operator classes}
*
*
* An example of an operator class is the class <tk-command>.
*/
-#define SCM_METACLASS_STANDARD_LAYOUT "pwpw"
+#define SCM_METACLASS_STANDARD_LAYOUT ""
struct scm_metaclass_standard {
SCM layout;
SCM vcell;
SCM vtable;
SCM print;
- SCM direct_supers;
- SCM direct_slots;
};
-#define SCM_METACLASS_OPERATOR_LAYOUT "pwpwpwpwpwpw"
+#define SCM_METACLASS_OPERATOR_LAYOUT "popo"
struct scm_metaclass_operator {
SCM layout;
SCM vcell;
SCM vtable;
SCM print;
- SCM direct_supers;
- SCM direct_slots;
- SCM proc0;
- SCM proc1;
- SCM proc2;
- SCM proc3;
+ SCM procedure;
+ SCM setter;
};
/* {Entity classes}
*
* An example of an entity class is the class of generic methods.
*/
-#define SCM_ENTITY_LAYOUT "pwpwpwpw"
-typedef struct scm_entity {
- SCM proc0;
- SCM proc1;
- SCM proc2;
- SCM proc3;
-} scm_entity;
+#define SCM_ENTITY_LAYOUT ""
+
+/* {Interface to Goops}
+ *
+ * The evaluator contains a multi-method dispatch mechanism.
+ * This interface is used by that mechanism and during creation of
+ * smob and struct classes.
+ */
+
+/* Internal representation of Goops objects. */
+#define SCM_CLASSF_PURE_GENERIC (0x010 << 20)
+#define SCM_CLASSF_GOOPS_VALID (0x080 << 20)
+#define SCM_CLASSF_GOOPS (0x100 << 20)
+#define scm_si_redefined 5
+#define scm_si_hashsets 6
+#define SCM_CLASS_OF(x) SCM_STRUCT_VTABLE (x)
+#define SCM_OBJ_CLASS_REDEF(x) (SCM_PACK (SCM_STRUCT_VTABLE_DATA (x) [scm_si_redefined]))
+
+typedef struct scm_effective_slot_definition {
+ SCM name;
+ long location;
+ SCM init_value;
+ SCM (*get) (SCM obj, SCM slotdef);
+ SCM (*set) (SCM obj, SCM slotdef, SCM value);
+} scm_effective_slot_definition;
+
+#define SCM_ESLOTDEF(x) ((scm_effective_slot_definition *) SCM_CDR (x))
+
+#define SCM_CMETHOD_CODE(cmethod) SCM_CDR (cmethod)
+#define SCM_CMETHOD_FORMALS(cmethod) SCM_CAR (SCM_CMETHOD_CODE (cmethod))
+#define SCM_CMETHOD_BODY(cmethod) SCM_CDR (SCM_CMETHOD_CODE (cmethod))
+#define SCM_CMETHOD_ENV(cmethod) SCM_CAR (cmethod)
+
+/* Port classes */
+#define SCM_IN_PCLASS_INDEX 0x000
+#define SCM_OUT_PCLASS_INDEX 0x100
+#define SCM_INOUT_PCLASS_INDEX 0x200
+
+/* Plugin proxy classes for basic types. */
+SCM_API SCM scm_metaclass_standard;
+SCM_API SCM scm_metaclass_operator;
+
+/* Goops functions. */
+SCM_API SCM scm_make_extended_class (char const *type_name, int applicablep);
+SCM_INTERNAL void scm_i_inherit_applicable (SCM c);
+SCM_API void scm_make_port_classes (long ptobnum, char *type_name);
+SCM_API void scm_change_object_class (SCM, SCM, SCM);
+SCM_API SCM scm_memoize_method (SCM x, SCM args);
+
+SCM_API SCM scm_mcache_lookup_cmethod (SCM cache, SCM args);
+SCM_API SCM scm_mcache_compute_cmethod (SCM cache, SCM args);
+/* 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_API SCM scm_entity_p (SCM obj);
+SCM_API SCM scm_operator_p (SCM obj);
+SCM_API SCM scm_valid_object_procedure_p (SCM proc);
+SCM_API SCM scm_set_object_procedure_x (SCM obj, SCM proc);
+#ifdef GUILE_DEBUG
+SCM_API SCM scm_object_procedure (SCM obj);
+#endif
+SCM_API SCM scm_make_class_object (SCM metaclass, SCM layout);
+SCM_API SCM scm_make_subclass_object (SCM c, SCM layout);
-extern SCM scm_metaclass_standard;
-extern SCM scm_metaclass_operator;
+SCM_INTERNAL SCM scm_i_make_class_object (SCM metaclass, SCM layout_string,
+ unsigned long flags);
+SCM_INTERNAL void scm_init_objects (void);
-extern void scm_init_objects SCM_P ((void));
+#endif /* SCM_OBJECTS_H */
-#endif /* OBJECTSH */
+/*
+ Local Variables:
+ c-file-style: "gnu"
+ End:
+*/
HCoop / bpt / guile.git / blobdiff