-/* Copyright (C) 1998,1999,2000,2001,2002,2003,2004,2008,2009,2010,2011,2012,2013,2014
+/* Copyright (C) 1998,1999,2000,2001,2002,2003,2004,2008,2009,2010,2011,2012,2013,2014,2015
* Free Software Foundation, Inc.
*
* This library is free software; you can redistribute it and/or
#include "libguile/validate.h"
#include "libguile/goops.h"
-#define SPEC_OF(x) SCM_SLOT (x, scm_si_specializers)
-
/* Port classes */
#define SCM_IN_PCLASS_INDEX 0
#define SCM_OUT_PCLASS_INDEX SCM_I_MAX_PORT_TYPE_COUNT
#define SCM_INOUT_PCLASS_INDEX (2 * SCM_I_MAX_PORT_TYPE_COUNT)
-/* this file is a mess. in theory, though, we shouldn't have many SCM references
- -- most of the references should be to vars. */
+/* Objects have identity, so references to classes and instances are by
+ value, not by reference. Redefinition of a class or modification of
+ an instance causes in-place update; you can think of GOOPS as
+ building in its own indirection, and for that reason referring to
+ GOOPS values by variable reference is unnecessary.
+
+ References to ordinary procedures is by reference (by variable),
+ though, as in the rest of Guile. */
+static SCM var_make_standard_class = SCM_BOOL_F;
static SCM var_slot_unbound = SCM_BOOL_F;
static SCM var_slot_missing = SCM_BOOL_F;
-static SCM var_compute_cpl = SCM_BOOL_F;
static SCM var_no_applicable_method = SCM_BOOL_F;
static SCM var_change_class = SCM_BOOL_F;
SCM_SYMBOL (sym_slot_unbound, "slot-unbound");
SCM_SYMBOL (sym_slot_missing, "slot-missing");
-SCM_SYMBOL (sym_compute_cpl, "compute-cpl");
SCM_SYMBOL (sym_no_applicable_method, "no-applicable-method");
SCM_SYMBOL (sym_memoize_method_x, "memoize-method!");
SCM_SYMBOL (sym_change_class, "change-class");
} \
}
-#define NXT_MTHD_METHODS(m) (SCM_VELTS (m)[1])
-#define NXT_MTHD_ARGS(m) (SCM_VELTS (m)[2])
-
#define SCM_GOOPS_UNBOUND SCM_UNBOUND
#define SCM_GOOPS_UNBOUNDP(x) (scm_is_eq (x, SCM_GOOPS_UNBOUND))
SCM scm_no_applicable_method;
-SCM_SYMBOL (scm_sym_define_public, "define-public");
-
static SCM scm_make_unbound (void);
static SCM scm_unbound_p (SCM obj);
static SCM scm_assert_bound (SCM value, SCM obj);
static SCM scm_at_assert_bound_ref (SCM obj, SCM index);
+static SCM scm_sys_bless_applicable_struct_vtable_x (SCM vtable);
+static SCM scm_sys_bless_pure_generic_vtable_x (SCM vtable);
+static SCM scm_sys_make_root_class (SCM name, SCM dslots,
+ SCM getters_n_setters);
+static SCM scm_sys_init_layout_x (SCM class, SCM layout);
+static SCM scm_sys_goops_early_init (void);
static SCM scm_sys_goops_loaded (void);
static SCM scm_make_extended_class_from_symbol (SCM type_name_sym,
int applicablep);
return class_dynamic_state;
case scm_tc7_frame:
return class_frame;
+ case scm_tc7_keyword:
+ return scm_class_keyword;
case scm_tc7_vm_cont:
return class_vm_cont;
case scm_tc7_bytevector:
}
#undef FUNC_NAME
-/******************************************************************************
- *
- * Compute-cpl
- *
- * This version doesn't fully handle multiple-inheritance. It serves
- * only for booting classes and will be overloaded in Scheme
- *
- ******************************************************************************/
-
-static SCM
-map (SCM (*proc) (SCM), SCM ls)
-{
- if (scm_is_null (ls))
- return ls;
- else
- {
- SCM res = scm_cons (proc (SCM_CAR (ls)), SCM_EOL);
- SCM h = res;
- ls = SCM_CDR (ls);
- while (scm_is_pair (ls))
- {
- SCM_SETCDR (h, scm_cons (proc (SCM_CAR (ls)), SCM_EOL));
- h = SCM_CDR (h);
- ls = SCM_CDR (ls);
- }
- return res;
- }
-}
-
-static SCM
-filter_cpl (SCM ls)
-{
- SCM res = SCM_EOL;
- while (scm_is_pair (ls))
- {
- SCM el = SCM_CAR (ls);
- if (scm_is_false (scm_c_memq (el, res)))
- res = scm_cons (el, res);
- ls = SCM_CDR (ls);
- }
- return res;
-}
-
-static SCM
-compute_cpl (SCM class)
-{
- if (goops_loaded_p)
- return scm_call_1 (SCM_VARIABLE_REF (var_compute_cpl), class);
- else
- {
- SCM supers = SCM_SLOT (class, scm_si_direct_supers);
- SCM ls = scm_append (scm_acons (class, supers,
- map (compute_cpl, supers)));
- return scm_reverse_x (filter_cpl (ls), SCM_EOL);
- }
-}
-
-/******************************************************************************
- *
- * compute-slots
- *
- ******************************************************************************/
-
-static SCM
-remove_duplicate_slots (SCM l, SCM res, SCM slots_already_seen)
-{
- SCM tmp;
-
- if (!scm_is_pair (l))
- return res;
-
- tmp = SCM_CAAR (l);
- if (!scm_is_symbol (tmp))
- scm_misc_error ("%compute-slots", "bad slot name ~S", scm_list_1 (tmp));
-
- if (scm_is_false (scm_c_memq (tmp, slots_already_seen))) {
- res = scm_cons (SCM_CAR (l), res);
- slots_already_seen = scm_cons (tmp, slots_already_seen);
- }
-
- return remove_duplicate_slots (SCM_CDR (l), res, slots_already_seen);
-}
-
-static void
-check_cpl (SCM slots, SCM bslots)
-{
- for (; scm_is_pair (bslots); bslots = SCM_CDR (bslots))
- if (scm_is_true (scm_assq (SCM_CAAR (bslots), slots)))
- scm_misc_error ("init-object", "a predefined <class> inherited "
- "field cannot be redefined", SCM_EOL);
-}
-
-static SCM
-build_class_class_slots (void);
-
-static SCM
-build_slots_list (SCM dslots, SCM cpl)
-{
- SCM bslots, class_slots;
- int classp;
- SCM res = dslots;
-
- class_slots = SCM_EOL;
- classp = scm_is_true (scm_memq (scm_class_class, cpl));
-
- if (classp)
- {
- bslots = build_class_class_slots ();
- check_cpl (res, bslots);
- }
- else
- bslots = SCM_EOL;
-
- if (scm_is_pair (cpl))
- {
- for (cpl = SCM_CDR (cpl); scm_is_pair (cpl); cpl = SCM_CDR (cpl))
- {
- SCM new_slots = SCM_SLOT (SCM_CAR (cpl),
- scm_si_direct_slots);
- if (classp)
- {
- if (!scm_is_eq (SCM_CAR (cpl), scm_class_class))
- check_cpl (new_slots, bslots);
- else
- {
- /* Move class slots to the head of the list. */
- class_slots = new_slots;
- continue;
- }
- }
- res = scm_append (scm_list_2 (new_slots, res));
- }
- }
- else
- scm_misc_error ("%compute-slots", "malformed cpl argument in "
- "build_slots_list", SCM_EOL);
-
- /* make sure to add the <class> slots to the head of the list */
- if (classp)
- res = scm_append (scm_list_2 (class_slots, res));
-
- /* res contains a list of slots. Remove slots which appears more than once */
- return remove_duplicate_slots (scm_reverse (res), SCM_EOL, SCM_EOL);
-}
-
-static SCM
-maplist (SCM ls)
-{
- SCM orig = ls;
- while (!scm_is_null (ls))
- {
- if (!scm_is_pair (ls))
- scm_misc_error ("%compute-slots", "malformed ls argument in "
- "maplist", SCM_EOL);
- if (!scm_is_pair (SCM_CAR (ls)))
- SCM_SETCAR (ls, scm_cons (SCM_CAR (ls), SCM_EOL));
- ls = SCM_CDR (ls);
- }
- return orig;
-}
-
-
-SCM_DEFINE (scm_sys_compute_slots, "%compute-slots", 1, 0, 0,
- (SCM class),
- "Return a list consisting of the names of all slots belonging to\n"
- "class @var{class}, i. e. the slots of @var{class} and of all of\n"
- "its superclasses.")
-#define FUNC_NAME s_scm_sys_compute_slots
-{
- SCM_VALIDATE_CLASS (1, class);
- return build_slots_list (SCM_SLOT (class, scm_si_direct_slots),
- SCM_SLOT (class, scm_si_cpl));
-}
-#undef FUNC_NAME
-
-
-/******************************************************************************
- *
- * compute-getters-n-setters
- *
- * This version doesn't handle slot options. It serves only for booting
- * classes and will be overloaded in Scheme.
- *
- ******************************************************************************/
-
-SCM_KEYWORD (k_init_value, "init-value");
-SCM_KEYWORD (k_init_thunk, "init-thunk");
-
-static SCM
-compute_getters_n_setters (SCM slots)
-{
- SCM res = SCM_EOL;
- SCM *cdrloc = &res;
- long i = 0;
-
- for ( ; !scm_is_null (slots); slots = SCM_CDR (slots))
- {
- SCM init = SCM_BOOL_F;
- SCM options = SCM_CDAR (slots);
- if (!scm_is_null (options))
- {
- init = scm_get_keyword (k_init_value, options, SCM_PACK (0));
- if (SCM_UNPACK (init))
- {
- init = scm_primitive_eval (scm_list_3 (scm_sym_lambda,
- SCM_EOL,
- scm_list_2 (scm_sym_quote,
- init)));
- }
- else
- init = scm_get_keyword (k_init_thunk, options, SCM_BOOL_F);
- }
- *cdrloc = scm_cons (scm_cons (SCM_CAAR (slots),
- scm_cons (init,
- scm_from_int (i++))),
- SCM_EOL);
- cdrloc = SCM_CDRLOC (*cdrloc);
- }
- return res;
-}
-
/******************************************************************************
*
* initialize-object
get_n_set = SCM_CDR (get_n_set), slots = SCM_CDR (slots))
{
SCM slot_name = SCM_CAR (slots);
- SCM slot_value = SCM_PACK (0);
+ SCM slot_value = SCM_GOOPS_UNBOUND;
if (!scm_is_null (SCM_CDR (slot_name)))
{
slot_value = scm_i_get_keyword (tmp,
initargs,
n_initargs,
- SCM_PACK (0),
+ SCM_GOOPS_UNBOUND,
FUNC_NAME);
}
}
- if (SCM_UNPACK (slot_value))
+ if (!SCM_GOOPS_UNBOUNDP (slot_value))
/* set slot to provided value */
set_slot_value (class, obj, SCM_CAR (get_n_set), slot_value);
else
/* set slot to its :init-form if it exists */
tmp = SCM_CADAR (get_n_set);
if (scm_is_true (tmp))
- {
- slot_value = get_slot_value (class, obj, SCM_CAR (get_n_set));
- if (SCM_GOOPS_UNBOUNDP (slot_value))
- set_slot_value (class,
- obj,
- SCM_CAR (get_n_set),
- scm_call_0 (tmp));
- }
+ set_slot_value (class,
+ obj,
+ SCM_CAR (get_n_set),
+ scm_call_0 (tmp));
}
}
}
#undef FUNC_NAME
-/* NOTE: The following macros are interdependent with code
- * in goops.scm:compute-getters-n-setters
- */
-#define SCM_GNS_INSTANCE_ALLOCATED_P(gns) \
- (SCM_I_INUMP (SCM_CDDR (gns)) \
- || (scm_is_pair (SCM_CDDR (gns)) \
- && scm_is_pair (SCM_CDDDR (gns)) \
- && scm_is_pair (SCM_CDDDDR (gns))))
-#define SCM_GNS_INDEX(gns) \
- (SCM_I_INUMP (SCM_CDDR (gns)) \
- ? SCM_I_INUM (SCM_CDDR (gns)) \
- : scm_to_long (SCM_CAR (SCM_CDDDDR (gns))))
-#define SCM_GNS_SIZE(gns) \
- (SCM_I_INUMP (SCM_CDDR (gns)) \
- ? 1 \
- : scm_to_long (SCM_CADR (SCM_CDDDDR (gns))))
-
-SCM_KEYWORD (k_class, "class");
-SCM_KEYWORD (k_allocation, "allocation");
-SCM_KEYWORD (k_instance, "instance");
-
-SCM_DEFINE (scm_sys_prep_layout_x, "%prep-layout!", 1, 0, 0,
- (SCM class),
+SCM_DEFINE (scm_sys_init_layout_x, "%init-layout!", 2, 0, 0,
+ (SCM class, SCM layout),
"")
-#define FUNC_NAME s_scm_sys_prep_layout_x
+#define FUNC_NAME s_scm_sys_init_layout_x
{
- SCM slots, getters_n_setters, nfields;
- unsigned long int n, i;
- char *s;
- SCM layout;
-
SCM_VALIDATE_INSTANCE (1, class);
- slots = SCM_SLOT (class, scm_si_slots);
- getters_n_setters = SCM_SLOT (class, scm_si_getters_n_setters);
- nfields = SCM_SLOT (class, scm_si_nfields);
- if (!SCM_I_INUMP (nfields) || SCM_I_INUM (nfields) < 0)
- SCM_MISC_ERROR ("bad value in nfields slot: ~S",
- scm_list_1 (nfields));
- n = 2 * SCM_I_INUM (nfields);
- if (n < sizeof (SCM_CLASS_CLASS_LAYOUT) - 1
- && SCM_SUBCLASSP (class, scm_class_class))
- SCM_MISC_ERROR ("class object doesn't have enough fields: ~S",
- scm_list_1 (nfields));
-
- layout = scm_i_make_string (n, &s, 0);
- i = 0;
- while (scm_is_pair (getters_n_setters))
- {
- if (SCM_GNS_INSTANCE_ALLOCATED_P (SCM_CAR (getters_n_setters)))
- {
- SCM type;
- int len, index, size;
- char p, a;
-
- if (i >= n || !scm_is_pair (slots))
- goto inconsistent;
-
- /* extract slot type */
- len = scm_ilength (SCM_CDAR (slots));
- type = scm_i_get_keyword (k_class, SCM_CDAR (slots),
- len, SCM_BOOL_F, FUNC_NAME);
- /* determine slot GC protection and access mode */
- if (scm_is_false (type))
- {
- p = 'p';
- a = 'w';
- }
- else
- {
- if (!SCM_CLASSP (type))
- SCM_MISC_ERROR ("bad slot class", SCM_EOL);
- else if (SCM_SUBCLASSP (type, scm_class_foreign_slot))
- {
- if (SCM_SUBCLASSP (type, scm_class_self))
- p = 's';
- else if (SCM_SUBCLASSP (type, scm_class_protected))
- p = 'p';
- else
- p = 'u';
-
- if (SCM_SUBCLASSP (type, scm_class_opaque))
- a = 'o';
- else if (SCM_SUBCLASSP (type, scm_class_read_only))
- a = 'r';
- else if (SCM_SUBCLASSP (type, scm_class_hidden))
- a = 'h';
- else
- a = 'w';
- }
- else
- {
- p = 'p';
- a = 'w';
- }
- }
-
- index = SCM_GNS_INDEX (SCM_CAR (getters_n_setters));
- if (index != (i >> 1))
- goto inconsistent;
- size = SCM_GNS_SIZE (SCM_CAR (getters_n_setters));
- while (size)
- {
- s[i++] = p;
- s[i++] = a;
- --size;
- }
- }
- slots = SCM_CDR (slots);
- getters_n_setters = SCM_CDR (getters_n_setters);
- }
- if (!scm_is_null (slots))
- {
- inconsistent:
- SCM_MISC_ERROR ("inconsistent getters-n-setters", SCM_EOL);
- }
- SCM_SET_VTABLE_LAYOUT (class, scm_string_to_symbol (layout));
+ SCM_ASSERT (!scm_is_symbol (SCM_VTABLE_LAYOUT (class)), class, 1, FUNC_NAME);
+ SCM_VALIDATE_STRING (2, layout);
+
+ SCM_SET_VTABLE_LAYOUT (class, scm_make_struct_layout (layout));
return SCM_UNSPECIFIED;
}
#undef FUNC_NAME
/******************************************************************************/
SCM
-scm_basic_basic_make_class (SCM class, SCM name, SCM dsupers, SCM dslots)
+scm_make_standard_class (SCM meta, SCM name, SCM dsupers, SCM dslots)
{
- SCM z, cpl, slots, nfields, g_n_s;
+ return scm_call_4 (scm_variable_ref (var_make_standard_class),
+ meta, name, dsupers, dslots);
+}
+
+/******************************************************************************/
- /* Allocate one instance */
- z = scm_make_struct (class, SCM_INUM0, SCM_EOL);
+SCM_DEFINE (scm_sys_make_root_class, "%make-root-class", 3, 0, 0,
+ (SCM name, SCM dslots, SCM getters_n_setters),
+ "")
+#define FUNC_NAME s_scm_sys_make_root_class
+{
+ SCM cs, z;
- /* Initialize its slots */
- SCM_SET_SLOT (z, scm_si_direct_supers, dsupers);
- cpl = compute_cpl (z);
- slots = build_slots_list (maplist (dslots), cpl);
- nfields = scm_from_int (scm_ilength (slots));
- g_n_s = compute_getters_n_setters (slots);
+ cs = scm_from_locale_string (SCM_CLASS_CLASS_LAYOUT);
+ z = scm_i_make_vtable_vtable (cs);
+ SCM_SET_CLASS_FLAGS (z, (SCM_CLASSF_GOOPS_OR_VALID
+ | SCM_CLASSF_METACLASS));
SCM_SET_SLOT (z, scm_vtable_index_name, name);
- SCM_SET_SLOT (z, scm_si_direct_slots, dslots);
+ SCM_SET_SLOT (z, scm_si_direct_supers, SCM_EOL); /* will be changed */
+ SCM_SET_SLOT (z, scm_si_direct_slots, dslots); /* will be changed */
SCM_SET_SLOT (z, scm_si_direct_subclasses, SCM_EOL);
SCM_SET_SLOT (z, scm_si_direct_methods, SCM_EOL);
- SCM_SET_SLOT (z, scm_si_cpl, cpl);
- SCM_SET_SLOT (z, scm_si_slots, slots);
- SCM_SET_SLOT (z, scm_si_nfields, nfields);
- SCM_SET_SLOT (z, scm_si_getters_n_setters, g_n_s);
+ SCM_SET_SLOT (z, scm_si_cpl, SCM_EOL); /* will be changed */
+ SCM_SET_SLOT (z, scm_si_slots, dslots); /* will be changed */
+ SCM_SET_SLOT (z, scm_si_nfields, scm_from_int (SCM_N_CLASS_SLOTS));
+ SCM_SET_SLOT (z, scm_si_getters_n_setters, getters_n_setters); /* will be changed */
SCM_SET_SLOT (z, scm_si_redefined, SCM_BOOL_F);
- /* Add this class in the direct-subclasses slot of dsupers */
- {
- SCM tmp;
- for (tmp = dsupers; !scm_is_null (tmp); tmp = SCM_CDR (tmp))
- SCM_SET_SLOT (SCM_CAR (tmp), scm_si_direct_subclasses,
- scm_cons (z, SCM_SLOT (SCM_CAR (tmp),
- scm_si_direct_subclasses)));
- }
+ prep_hashsets (z);
return z;
}
-
-SCM
-scm_basic_make_class (SCM class, SCM name, SCM dsupers, SCM dslots)
-{
- SCM z = scm_basic_basic_make_class (class, name, dsupers, dslots);
- scm_sys_prep_layout_x (z);
- scm_sys_inherit_magic_x (z, dsupers);
- return z;
-}
-
-/******************************************************************************/
-
-SCM_SYMBOL (sym_layout, "layout");
-SCM_SYMBOL (sym_flags, "flags");
-SCM_SYMBOL (sym_self, "%self");
-SCM_SYMBOL (sym_instance_finalizer, "instance-finalizer");
-SCM_SYMBOL (sym_reserved_0, "%reserved-0");
-SCM_SYMBOL (sym_reserved_1, "%reserved-1");
-SCM_SYMBOL (sym_print, "print");
-SCM_SYMBOL (sym_procedure, "procedure");
-SCM_SYMBOL (sym_setter, "setter");
-SCM_SYMBOL (sym_redefined, "redefined");
-SCM_SYMBOL (sym_h0, "h0");
-SCM_SYMBOL (sym_h1, "h1");
-SCM_SYMBOL (sym_h2, "h2");
-SCM_SYMBOL (sym_h3, "h3");
-SCM_SYMBOL (sym_h4, "h4");
-SCM_SYMBOL (sym_h5, "h5");
-SCM_SYMBOL (sym_h6, "h6");
-SCM_SYMBOL (sym_h7, "h7");
-SCM_SYMBOL (sym_name, "name");
-SCM_SYMBOL (sym_direct_supers, "direct-supers");
-SCM_SYMBOL (sym_direct_slots, "direct-slots");
-SCM_SYMBOL (sym_direct_subclasses, "direct-subclasses");
-SCM_SYMBOL (sym_direct_methods, "direct-methods");
-SCM_SYMBOL (sym_cpl, "cpl");
-SCM_SYMBOL (sym_default_slot_definition_class, "default-slot-definition-class");
-SCM_SYMBOL (sym_slots, "slots");
-SCM_SYMBOL (sym_getters_n_setters, "getters-n-setters");
-SCM_SYMBOL (sym_nfields, "nfields");
-
-
-static SCM
-build_class_class_slots (void)
-{
- /* has to be kept in sync with SCM_VTABLE_BASE_LAYOUT and
- SCM_CLASS_CLASS_LAYOUT */
- return scm_list_n (
- scm_list_3 (sym_layout, k_class, scm_class_protected_read_only),
- scm_list_3 (sym_flags, k_class, scm_class_hidden),
- scm_list_3 (sym_self, k_class, scm_class_self),
- scm_list_3 (sym_instance_finalizer, k_class, scm_class_hidden),
- scm_list_1 (sym_print),
- scm_list_3 (sym_name, k_class, scm_class_protected_hidden),
- scm_list_3 (sym_reserved_0, k_class, scm_class_hidden),
- scm_list_3 (sym_reserved_1, k_class, scm_class_hidden),
- scm_list_1 (sym_redefined),
- scm_list_3 (sym_h0, k_class, scm_class_int),
- scm_list_3 (sym_h1, k_class, scm_class_int),
- scm_list_3 (sym_h2, k_class, scm_class_int),
- scm_list_3 (sym_h3, k_class, scm_class_int),
- scm_list_3 (sym_h4, k_class, scm_class_int),
- scm_list_3 (sym_h5, k_class, scm_class_int),
- scm_list_3 (sym_h6, k_class, scm_class_int),
- scm_list_3 (sym_h7, k_class, scm_class_int),
- scm_list_1 (sym_direct_supers),
- scm_list_1 (sym_direct_slots),
- scm_list_1 (sym_direct_subclasses),
- scm_list_1 (sym_direct_methods),
- scm_list_1 (sym_cpl),
- scm_list_1 (sym_default_slot_definition_class),
- scm_list_1 (sym_slots),
- scm_list_1 (sym_getters_n_setters),
- scm_list_1 (sym_nfields),
- SCM_UNDEFINED);
-}
-
-static void
-create_basic_classes (void)
-{
- /* SCM slots_of_class = build_class_class_slots (); */
-
- /**** <class> ****/
- SCM cs = scm_from_locale_string (SCM_CLASS_CLASS_LAYOUT);
- SCM name = scm_from_latin1_symbol ("<class>");
- scm_class_class = scm_i_make_vtable_vtable (cs);
- SCM_SET_CLASS_FLAGS (scm_class_class, (SCM_CLASSF_GOOPS_OR_VALID
- | SCM_CLASSF_METACLASS));
-
- SCM_SET_SLOT (scm_class_class, scm_vtable_index_name, name);
- SCM_SET_SLOT (scm_class_class, scm_si_direct_supers, SCM_EOL); /* will be changed */
- /* SCM_SET_SLOT (scm_class_class, scm_si_direct_slots, slots_of_class); */
- SCM_SET_SLOT (scm_class_class, scm_si_direct_subclasses, SCM_EOL);
- SCM_SET_SLOT (scm_class_class, scm_si_direct_methods, SCM_EOL);
- SCM_SET_SLOT (scm_class_class, scm_si_cpl, SCM_EOL); /* will be changed */
- /* SCM_SET_SLOT (scm_class_class, scm_si_slots, slots_of_class); */
- SCM_SET_SLOT (scm_class_class, scm_si_nfields, scm_from_int (SCM_N_CLASS_SLOTS));
- /* SCM_SET_SLOT (scm_class_class, scm_si_getters_n_setters,
- compute_getters_n_setters (slots_of_class)); */
- SCM_SET_SLOT (scm_class_class, scm_si_redefined, SCM_BOOL_F);
-
- prep_hashsets (scm_class_class);
-
- scm_module_define (scm_module_goops, name, scm_class_class);
-
- /**** <top> ****/
- name = scm_from_latin1_symbol ("<top>");
- scm_class_top = scm_basic_make_class (scm_class_class, name,
- SCM_EOL, SCM_EOL);
-
- scm_module_define (scm_module_goops, name, scm_class_top);
-
- /**** <object> ****/
- name = scm_from_latin1_symbol ("<object>");
- scm_class_object = scm_basic_make_class (scm_class_class, name,
- scm_list_1 (scm_class_top), SCM_EOL);
-
- scm_module_define (scm_module_goops, name, scm_class_object);
-
- /* <top> <object> and <class> were partially initialized. Correct them here */
- SCM_SET_SLOT (scm_class_object, scm_si_direct_subclasses, scm_list_1 (scm_class_class));
-
- SCM_SET_SLOT (scm_class_class, scm_si_direct_supers, scm_list_1 (scm_class_object));
- SCM_SET_SLOT (scm_class_class, scm_si_cpl, scm_list_3 (scm_class_class, scm_class_object, scm_class_top));
-}
+#undef FUNC_NAME
/******************************************************************************/
* Meta object accessors
*
******************************************************************************/
+
+SCM_SYMBOL (sym_procedure, "procedure");
+SCM_SYMBOL (sym_direct_supers, "direct-supers");
+SCM_SYMBOL (sym_direct_slots, "direct-slots");
+SCM_SYMBOL (sym_direct_subclasses, "direct-subclasses");
+SCM_SYMBOL (sym_direct_methods, "direct-methods");
+SCM_SYMBOL (sym_cpl, "cpl");
+SCM_SYMBOL (sym_slots, "slots");
+
SCM_DEFINE (scm_class_name, "class-name", 1, 0, 0,
(SCM obj),
"Return the class name of @var{obj}.")
#define FUNC_NAME s_scm_class_name
{
SCM_VALIDATE_CLASS (1, obj);
- return scm_slot_ref (obj, sym_name);
+ return scm_slot_ref (obj, scm_sym_name);
}
#undef FUNC_NAME
}
#undef FUNC_NAME
-SCM_DEFINE (scm_sys_fast_slot_ref, "%fast-slot-ref", 2, 0, 0,
- (SCM obj, SCM index),
- "Return the slot value with index @var{index} from @var{obj}.")
-#define FUNC_NAME s_scm_sys_fast_slot_ref
-{
- scm_t_bits i;
-
- SCM_VALIDATE_INSTANCE (1, obj);
- i = scm_to_unsigned_integer (index, 0,
- SCM_I_INUM (SCM_SLOT (SCM_CLASS_OF (obj),
- scm_si_nfields))
- - 1);
- return SCM_SLOT (obj, i);
-}
-#undef FUNC_NAME
-
-SCM_DEFINE (scm_sys_fast_slot_set_x, "%fast-slot-set!", 3, 0, 0,
- (SCM obj, SCM index, SCM value),
- "Set the slot with index @var{index} in @var{obj} to\n"
- "@var{value}.")
-#define FUNC_NAME s_scm_sys_fast_slot_set_x
-{
- scm_t_bits i;
-
- SCM_VALIDATE_INSTANCE (1, obj);
- i = scm_to_unsigned_integer (index, 0,
- SCM_I_INUM (SCM_SLOT (SCM_CLASS_OF (obj),
- scm_si_nfields))
- - 1);
-
- SCM_SET_SLOT (obj, i, value);
-
- return SCM_UNSPECIFIED;
-}
-#undef FUNC_NAME
-
\f
/** Utilities **/
*
******************************************************************************/
-static int
-applicablep (SCM actual, SCM formal)
-{
- /* We already know that the cpl is well formed. */
- return scm_is_true (scm_c_memq (formal, SCM_SLOT (actual, scm_si_cpl)));
-}
-
-static int
-more_specificp (SCM m1, SCM m2, SCM const *targs)
-{
- register SCM s1, s2;
- register long i;
- /*
- * Note:
- * m1 and m2 can have != length (i.e. one can be one element longer than the
- * other when we have a dotted parameter list). For instance, with the call
- * (M 1)
- * with
- * (define-method M (a . l) ....)
- * (define-method M (a) ....)
- *
- * we consider that the second method is more specific.
- *
- * BTW, targs is an array of types. We don't need it's size since
- * we already know that m1 and m2 are applicable (no risk to go past
- * the end of this array).
- *
- */
- for (i=0, s1=SPEC_OF(m1), s2=SPEC_OF(m2); ; i++, s1=SCM_CDR(s1), s2=SCM_CDR(s2)) {
- if (scm_is_null(s1)) return 1;
- if (scm_is_null(s2)) return 0;
- if (!scm_is_eq (SCM_CAR(s1), SCM_CAR(s2))) {
- register SCM l, cs1 = SCM_CAR(s1), cs2 = SCM_CAR(s2);
-
- for (l = SCM_SLOT (targs[i], scm_si_cpl); ; l = SCM_CDR(l)) {
- if (scm_is_eq (cs1, SCM_CAR (l)))
- return 1;
- if (scm_is_eq (cs2, SCM_CAR (l)))
- return 0;
- }
- return 0;/* should not occur! */
- }
- }
- return 0; /* should not occur! */
-}
-
-#define BUFFSIZE 32 /* big enough for most uses */
-
-static SCM
-scm_i_vector2list (SCM l, long len)
-{
- long j;
- SCM z = scm_c_make_vector (len, SCM_UNDEFINED);
-
- for (j = 0; j < len; j++, l = SCM_CDR (l)) {
- SCM_SIMPLE_VECTOR_SET (z, j, SCM_CAR (l));
- }
- return z;
-}
-
-static SCM
-sort_applicable_methods (SCM method_list, long size, SCM const *targs)
-{
- long i, j, incr;
- SCM *v, vector = SCM_EOL;
- SCM buffer[BUFFSIZE];
- SCM save = method_list;
- scm_t_array_handle handle;
-
- /* For reasonably sized method_lists we can try to avoid all the
- * consing and reorder the list in place...
- * This idea is due to David McClain <Dave_McClain@msn.com>
- */
- if (size <= BUFFSIZE)
- {
- for (i = 0; i < size; i++)
- {
- buffer[i] = SCM_CAR (method_list);
- method_list = SCM_CDR (method_list);
- }
- v = buffer;
- }
- else
- {
- /* Too many elements in method_list to keep everything locally */
- vector = scm_i_vector2list (save, size);
- v = scm_vector_writable_elements (vector, &handle, NULL, NULL);
- }
-
- /* Use a simple shell sort since it is generally faster than qsort on
- * small vectors (which is probably mostly the case when we have to
- * sort a list of applicable methods).
- */
- for (incr = size / 2; incr; incr /= 2)
- {
- for (i = incr; i < size; i++)
- {
- for (j = i - incr; j >= 0; j -= incr)
- {
- if (more_specificp (v[j], v[j+incr], targs))
- break;
- else
- {
- SCM tmp = v[j + incr];
- v[j + incr] = v[j];
- v[j] = tmp;
- }
- }
- }
- }
-
- if (size <= BUFFSIZE)
- {
- /* We did it in locally, so restore the original list (reordered) in-place */
- for (i = 0, method_list = save; i < size; i++, v++)
- {
- SCM_SETCAR (method_list, *v);
- method_list = SCM_CDR (method_list);
- }
- return save;
- }
-
- /* If we are here, that's that we did it the hard way... */
- scm_array_handle_release (&handle);
- return scm_vector_to_list (vector);
-}
-
-SCM
-scm_compute_applicable_methods (SCM gf, SCM args, long len, int find_method_p)
-{
- register long i;
- long count = 0;
- SCM l, fl, applicable = SCM_EOL;
- SCM save = args;
- SCM buffer[BUFFSIZE];
- SCM const *types;
- SCM *p;
- SCM tmp = SCM_EOL;
- scm_t_array_handle handle;
-
- /* Build the list of arguments types */
- if (len >= BUFFSIZE)
- {
- tmp = scm_c_make_vector (len, SCM_UNDEFINED);
- types = p = scm_vector_writable_elements (tmp, &handle, NULL, NULL);
-
- /*
- note that we don't have to work to reset the generation
- count. TMP is a new vector anyway, and it is found
- conservatively.
- */
- }
- else
- types = p = buffer;
-
- for ( ; !scm_is_null (args); args = SCM_CDR (args))
- *p++ = scm_class_of (SCM_CAR (args));
-
- /* Build a list of all applicable methods */
- for (l = scm_generic_function_methods (gf); !scm_is_null (l); l = SCM_CDR (l))
- {
- fl = SPEC_OF (SCM_CAR (l));
- for (i = 0; ; i++, fl = SCM_CDR (fl))
- {
- if (SCM_INSTANCEP (fl)
- /* We have a dotted argument list */
- || (i >= len && scm_is_null (fl)))
- { /* both list exhausted */
- applicable = scm_cons (SCM_CAR (l), applicable);
- count += 1;
- break;
- }
- if (i >= len
- || scm_is_null (fl)
- || !applicablep (types[i], SCM_CAR (fl)))
- break;
- }
- }
-
- if (len >= BUFFSIZE)
- scm_array_handle_release (&handle);
-
- if (count == 0)
- {
- if (find_method_p)
- return SCM_BOOL_F;
- scm_call_2 (SCM_VARIABLE_REF (var_no_applicable_method), gf, save);
- /* if we are here, it's because no-applicable-method hasn't signaled an error */
- return SCM_BOOL_F;
- }
-
- return (count == 1
- ? applicable
- : sort_applicable_methods (applicable, count, types));
-}
-
-#if 0
-SCM_PROC (s_sys_compute_applicable_methods, "%compute-applicable-methods", 2, 0, 0, scm_sys_compute_applicable_methods);
-#endif
-
-static const char s_sys_compute_applicable_methods[] = "%compute-applicable-methods";
-
-SCM
-scm_sys_compute_applicable_methods (SCM gf, SCM args)
-#define FUNC_NAME s_sys_compute_applicable_methods
-{
- long n;
- SCM_VALIDATE_GENERIC (1, gf);
- n = scm_ilength (args);
- SCM_ASSERT (n >= 0, args, SCM_ARG2, FUNC_NAME);
- return scm_compute_applicable_methods (gf, args, n, 1);
-}
-#undef FUNC_NAME
-
-SCM_SYMBOL (sym_compute_applicable_methods, "compute-applicable-methods");
-SCM_VARIABLE_INIT (var_compute_applicable_methods, "compute-applicable-methods",
- scm_c_define_gsubr (s_sys_compute_applicable_methods, 2, 0, 0,
- scm_sys_compute_applicable_methods));
-
/******************************************************************************
*
* A simple make (which will be redefined later in Scheme)
}
#undef FUNC_NAME
-SCM_DEFINE (scm_find_method, "find-method", 0, 0, 1,
- (SCM l),
- "")
-#define FUNC_NAME s_scm_find_method
-{
- SCM gf;
- long len = scm_ilength (l);
-
- if (len == 0)
- SCM_WRONG_NUM_ARGS ();
-
- gf = SCM_CAR(l); l = SCM_CDR(l);
- SCM_VALIDATE_GENERIC (1, gf);
- if (scm_is_null (SCM_SLOT (gf, scm_si_methods)))
- SCM_MISC_ERROR ("no methods for generic ~S", scm_list_1 (gf));
-
- return scm_compute_applicable_methods (gf, l, len - 1, 1);
-}
-#undef FUNC_NAME
-
-SCM_DEFINE (scm_sys_method_more_specific_p, "%method-more-specific?", 3, 0, 0,
- (SCM m1, SCM m2, SCM targs),
- "Return true if method @var{m1} is more specific than @var{m2} "
- "given the argument types (classes) listed in @var{targs}.")
-#define FUNC_NAME s_scm_sys_method_more_specific_p
-{
- SCM l, v, result;
- SCM *v_elts;
- long i, len, m1_specs, m2_specs;
- scm_t_array_handle handle;
-
- SCM_VALIDATE_METHOD (1, m1);
- SCM_VALIDATE_METHOD (2, m2);
-
- len = scm_ilength (targs);
- m1_specs = scm_ilength (SPEC_OF (m1));
- m2_specs = scm_ilength (SPEC_OF (m2));
- SCM_ASSERT ((len >= m1_specs) || (len >= m2_specs),
- targs, SCM_ARG3, FUNC_NAME);
-
- /* Verify that all the arguments of TARGS are classes and place them
- in a vector. */
-
- v = scm_c_make_vector (len, SCM_EOL);
- v_elts = scm_vector_writable_elements (v, &handle, NULL, NULL);
-
- for (i = 0, l = targs;
- i < len && scm_is_pair (l);
- i++, l = SCM_CDR (l))
- {
- SCM_ASSERT (SCM_CLASSP (SCM_CAR (l)), targs, SCM_ARG3, FUNC_NAME);
- v_elts[i] = SCM_CAR (l);
- }
- result = more_specificp (m1, m2, v_elts) ? SCM_BOOL_T: SCM_BOOL_F;
-
- scm_array_handle_release (&handle);
-
- return result;
-}
-#undef FUNC_NAME
-
-
-
-/******************************************************************************
- *
- * Initializations
- *
- ******************************************************************************/
-
-/* Munge the CPL of C in place such that BEFORE appears before AFTER,
- assuming that currently the reverse is true. Recalculate slots and
- associated getters-n-setters. */
-static void
-fix_cpl (SCM c, SCM before, SCM after)
-{
- SCM cpl = SCM_SLOT (c, scm_si_cpl);
- SCM ls = scm_c_memq (after, cpl);
- SCM tail;
-
- if (scm_is_false (ls))
- /* if this condition occurs, fix_cpl should not be applied this way */
- abort ();
-
- tail = scm_delq1_x (before, SCM_CDR (ls));
- SCM_SETCAR (ls, before);
- SCM_SETCDR (ls, scm_cons (after, tail));
- {
- SCM dslots = SCM_SLOT (c, scm_si_direct_slots);
- SCM slots = build_slots_list (maplist (dslots), cpl);
- SCM g_n_s = compute_getters_n_setters (slots);
- SCM_SET_SLOT (c, scm_si_slots, slots);
- SCM_SET_SLOT (c, scm_si_getters_n_setters, g_n_s);
- }
-}
-
-
-static void
-make_stdcls (SCM *var, char *name, SCM meta, SCM super, SCM slots)
-{
- SCM tmp = scm_from_utf8_symbol (name);
-
- *var = scm_basic_make_class (meta, tmp,
- scm_is_pair (super) ? super : scm_list_1 (super),
- slots);
- scm_module_define (scm_module_goops, tmp, *var);
-}
-
-
-SCM_KEYWORD (k_slot_definition, "slot-definition");
-
-static void
-create_standard_classes (void)
-{
- SCM slots;
- SCM method_slots = scm_list_n (scm_from_latin1_symbol ("generic-function"),
- scm_from_latin1_symbol ("specializers"),
- sym_procedure,
- scm_from_latin1_symbol ("formals"),
- scm_from_latin1_symbol ("body"),
- scm_from_latin1_symbol ("make-procedure"),
- SCM_UNDEFINED);
- SCM amethod_slots = scm_list_1 (scm_list_3 (scm_from_latin1_symbol ("slot-definition"),
- k_init_keyword,
- k_slot_definition));
- SCM gf_slots = scm_list_4 (scm_from_latin1_symbol ("methods"),
- scm_list_3 (scm_from_latin1_symbol ("n-specialized"),
- k_init_value,
- SCM_INUM0),
- scm_list_3 (scm_from_latin1_symbol ("extended-by"),
- k_init_value,
- SCM_EOL),
- scm_from_latin1_symbol ("effective-methods"));
- SCM setter_slots = scm_list_1 (sym_setter);
- SCM egf_slots = scm_list_1 (scm_list_3 (scm_from_latin1_symbol ("extends"),
- k_init_value,
- SCM_EOL));
- /* Foreign class slot classes */
- make_stdcls (&scm_class_foreign_slot, "<foreign-slot>",
- scm_class_class, scm_class_top, SCM_EOL);
- make_stdcls (&scm_class_protected, "<protected-slot>",
- scm_class_class, scm_class_foreign_slot, SCM_EOL);
- make_stdcls (&scm_class_hidden, "<hidden-slot>",
- scm_class_class, scm_class_foreign_slot, SCM_EOL);
- make_stdcls (&scm_class_opaque, "<opaque-slot>",
- scm_class_class, scm_class_foreign_slot, SCM_EOL);
- make_stdcls (&scm_class_read_only, "<read-only-slot>",
- scm_class_class, scm_class_foreign_slot, SCM_EOL);
- make_stdcls (&scm_class_self, "<self-slot>",
- scm_class_class, scm_class_read_only, SCM_EOL);
- make_stdcls (&scm_class_protected_opaque, "<protected-opaque-slot>",
- scm_class_class,
- scm_list_2 (scm_class_protected, scm_class_opaque),
- SCM_EOL);
- make_stdcls (&scm_class_protected_hidden, "<protected-hidden-slot>",
- scm_class_class,
- scm_list_2 (scm_class_protected, scm_class_hidden),
- SCM_EOL);
- make_stdcls (&scm_class_protected_read_only, "<protected-read-only-slot>",
- scm_class_class,
- scm_list_2 (scm_class_protected, scm_class_read_only),
- SCM_EOL);
- make_stdcls (&scm_class_scm, "<scm-slot>",
- scm_class_class, scm_class_protected, SCM_EOL);
- make_stdcls (&scm_class_int, "<int-slot>",
- scm_class_class, scm_class_foreign_slot, SCM_EOL);
- make_stdcls (&scm_class_float, "<float-slot>",
- scm_class_class, scm_class_foreign_slot, SCM_EOL);
- make_stdcls (&scm_class_double, "<double-slot>",
- scm_class_class, scm_class_foreign_slot, SCM_EOL);
-
- /* Continue initialization of class <class> */
-
- slots = build_class_class_slots ();
- SCM_SET_SLOT (scm_class_class, scm_si_direct_slots, slots);
- SCM_SET_SLOT (scm_class_class, scm_si_slots, slots);
- SCM_SET_SLOT (scm_class_class, scm_si_getters_n_setters,
- compute_getters_n_setters (slots));
-
- /* scm_class_generic functions classes */
- make_stdcls (&scm_class_procedure_class, "<procedure-class>",
- scm_class_class, scm_class_class, SCM_EOL);
- make_stdcls (&scm_class_applicable_struct_class, "<applicable-struct-class>",
- scm_class_class, scm_class_procedure_class, SCM_EOL);
- SCM_SET_VTABLE_FLAGS (scm_class_applicable_struct_class, SCM_VTABLE_FLAG_APPLICABLE_VTABLE);
- make_stdcls (&scm_class_method, "<method>",
- scm_class_class, scm_class_object, method_slots);
- make_stdcls (&scm_class_accessor_method, "<accessor-method>",
- scm_class_class, scm_class_method, amethod_slots);
- make_stdcls (&scm_class_applicable, "<applicable>",
- scm_class_class, scm_class_top, SCM_EOL);
- make_stdcls (&scm_class_applicable_struct, "<applicable-struct>",
- scm_class_applicable_struct_class,
- scm_list_2 (scm_class_object, scm_class_applicable),
- scm_list_1 (sym_procedure));
- make_stdcls (&scm_class_generic, "<generic>",
- scm_class_applicable_struct_class, scm_class_applicable_struct, gf_slots);
- SCM_SET_CLASS_FLAGS (scm_class_generic, SCM_CLASSF_PURE_GENERIC);
- make_stdcls (&scm_class_extended_generic, "<extended-generic>",
- scm_class_applicable_struct_class, scm_class_generic, egf_slots);
- SCM_SET_CLASS_FLAGS (scm_class_extended_generic, SCM_CLASSF_PURE_GENERIC);
- make_stdcls (&scm_class_generic_with_setter, "<generic-with-setter>",
- scm_class_applicable_struct_class, scm_class_generic, setter_slots);
- SCM_SET_CLASS_FLAGS (scm_class_generic_with_setter, SCM_CLASSF_PURE_GENERIC);
- make_stdcls (&scm_class_accessor, "<accessor>",
- scm_class_applicable_struct_class, scm_class_generic_with_setter, SCM_EOL);
- SCM_SET_CLASS_FLAGS (scm_class_accessor, SCM_CLASSF_PURE_GENERIC);
- make_stdcls (&scm_class_extended_generic_with_setter,
- "<extended-generic-with-setter>",
- scm_class_applicable_struct_class,
- scm_list_2 (scm_class_extended_generic,
- scm_class_generic_with_setter),
- SCM_EOL);
- SCM_SET_CLASS_FLAGS (scm_class_extended_generic_with_setter,
- SCM_CLASSF_PURE_GENERIC);
- make_stdcls (&scm_class_extended_accessor, "<extended-accessor>",
- scm_class_applicable_struct_class,
- scm_list_2 (scm_class_accessor,
- scm_class_extended_generic_with_setter),
- SCM_EOL);
- /* <extended-generic> is misplaced. */
- fix_cpl (scm_class_extended_accessor,
- scm_class_extended_generic, scm_class_generic_with_setter);
- SCM_SET_CLASS_FLAGS (scm_class_extended_accessor, SCM_CLASSF_PURE_GENERIC);
-
- /* Primitive types classes */
- make_stdcls (&scm_class_boolean, "<boolean>",
- scm_class_class, scm_class_top, SCM_EOL);
- make_stdcls (&scm_class_char, "<char>",
- scm_class_class, scm_class_top, SCM_EOL);
- make_stdcls (&scm_class_list, "<list>",
- scm_class_class, scm_class_top, SCM_EOL);
- make_stdcls (&scm_class_pair, "<pair>",
- scm_class_class, scm_class_list, SCM_EOL);
- make_stdcls (&scm_class_null, "<null>",
- scm_class_class, scm_class_list, SCM_EOL);
- make_stdcls (&scm_class_string, "<string>",
- scm_class_class, scm_class_top, SCM_EOL);
- make_stdcls (&scm_class_symbol, "<symbol>",
- scm_class_class, scm_class_top, SCM_EOL);
- make_stdcls (&scm_class_vector, "<vector>",
- scm_class_class, scm_class_top, SCM_EOL);
- make_stdcls (&class_foreign, "<foreign>",
- scm_class_class, scm_class_top, SCM_EOL);
- make_stdcls (&class_hashtable, "<hashtable>",
- scm_class_class, scm_class_top, SCM_EOL);
- make_stdcls (&class_fluid, "<fluid>",
- scm_class_class, scm_class_top, SCM_EOL);
- make_stdcls (&class_dynamic_state, "<dynamic-state>",
- scm_class_class, scm_class_top, SCM_EOL);
- make_stdcls (&class_frame, "<frame>",
- scm_class_class, scm_class_top, SCM_EOL);
- make_stdcls (&class_vm_cont, "<vm-continuation>",
- scm_class_class, scm_class_top, SCM_EOL);
- make_stdcls (&class_bytevector, "<bytevector>",
- scm_class_class, scm_class_top, SCM_EOL);
- make_stdcls (&class_uvec, "<uvec>",
- scm_class_class, class_bytevector, SCM_EOL);
- make_stdcls (&class_array, "<array>",
- scm_class_class, scm_class_top, SCM_EOL);
- make_stdcls (&class_bitvector, "<bitvector>",
- scm_class_class, scm_class_top, SCM_EOL);
- make_stdcls (&scm_class_number, "<number>",
- scm_class_class, scm_class_top, SCM_EOL);
- make_stdcls (&scm_class_complex, "<complex>",
- scm_class_class, scm_class_number, SCM_EOL);
- make_stdcls (&scm_class_real, "<real>",
- scm_class_class, scm_class_complex, SCM_EOL);
- make_stdcls (&scm_class_integer, "<integer>",
- scm_class_class, scm_class_real, SCM_EOL);
- make_stdcls (&scm_class_fraction, "<fraction>",
- scm_class_class, scm_class_real, SCM_EOL);
- make_stdcls (&scm_class_keyword, "<keyword>",
- scm_class_class, scm_class_top, SCM_EOL);
- make_stdcls (&scm_class_unknown, "<unknown>",
- scm_class_class, scm_class_top, SCM_EOL);
- make_stdcls (&scm_class_procedure, "<procedure>",
- scm_class_procedure_class, scm_class_applicable, SCM_EOL);
- make_stdcls (&scm_class_primitive_generic, "<primitive-generic>",
- scm_class_procedure_class, scm_class_procedure, SCM_EOL);
- make_stdcls (&scm_class_port, "<port>",
- scm_class_class, scm_class_top, SCM_EOL);
- make_stdcls (&scm_class_input_port, "<input-port>",
- scm_class_class, scm_class_port, SCM_EOL);
- make_stdcls (&scm_class_output_port, "<output-port>",
- scm_class_class, scm_class_port, SCM_EOL);
- make_stdcls (&scm_class_input_output_port, "<input-output-port>",
- scm_class_class,
- scm_list_2 (scm_class_input_port, scm_class_output_port),
- SCM_EOL);
-}
/**********************************************************************
*
static SCM
make_class_from_template (char const *template, char const *type_name, SCM supers, int applicablep)
{
- SCM name;
+ SCM meta, name;
+
if (type_name)
{
char buffer[100];
else
name = SCM_GOOPS_UNBOUND;
- return scm_basic_make_class (applicablep ? scm_class_procedure_class : scm_class_class,
- name, supers, SCM_EOL);
+ meta = applicablep ? scm_class_procedure_class : scm_class_class;
+
+ return scm_make_standard_class (meta, name, supers, SCM_EOL);
}
static SCM
make_class_from_symbol (SCM type_name_sym, SCM supers, int applicablep)
{
- SCM name;
+ SCM meta, name;
if (scm_is_true (type_name_sym))
{
else
name = SCM_GOOPS_UNBOUND;
- return scm_basic_make_class (applicablep ? scm_class_procedure_class : scm_class_class,
- name, supers, SCM_EOL);
+ meta = applicablep ? scm_class_procedure_class : scm_class_class;
+
+ return scm_make_standard_class (meta, name, supers, SCM_EOL);
}
SCM
for (i = 0; i < SCM_I_MAX_SMOB_TYPE_COUNT; ++i)
scm_smob_class[i] = SCM_BOOL_F;
- scm_smob_class[SCM_TC2SMOBNUM (scm_tc16_keyword)] = scm_class_keyword;
-
for (i = 0; i < scm_numsmob; ++i)
if (scm_is_false (scm_smob_class[i]))
scm_smob_class[i] = scm_make_extended_class (SCM_SMOBNAME (i),
}
-SCM_SYMBOL (sym_o, "o");
-SCM_SYMBOL (sym_x, "x");
-
-SCM_KEYWORD (k_accessor, "accessor");
-SCM_KEYWORD (k_getter, "getter");
-
SCM
scm_ensure_accessor (SCM name)
{
* Initialization
*/
+SCM_DEFINE (scm_sys_bless_applicable_struct_vtable_x, "%bless-applicable-struct-vtable!", 1, 0, 0,
+ (SCM vtable),
+ "")
+#define FUNC_NAME s_scm_sys_bless_applicable_struct_vtable_x
+{
+ SCM_VALIDATE_CLASS (1, vtable);
+ SCM_SET_VTABLE_FLAGS (vtable, SCM_VTABLE_FLAG_APPLICABLE_VTABLE);
+ return SCM_UNSPECIFIED;
+}
+#undef FUNC_NAME
+
+SCM_DEFINE (scm_sys_bless_pure_generic_vtable_x, "%bless-pure-generic-vtable!", 1, 0, 0,
+ (SCM vtable),
+ "")
+#define FUNC_NAME s_scm_sys_bless_pure_generic_vtable_x
+{
+ SCM_VALIDATE_CLASS (1, vtable);
+ SCM_SET_CLASS_FLAGS (vtable, SCM_CLASSF_PURE_GENERIC);
+ return SCM_UNSPECIFIED;
+}
+#undef FUNC_NAME
+
+SCM_DEFINE (scm_sys_goops_early_init, "%goops-early-init", 0, 0, 0,
+ (),
+ "")
+#define FUNC_NAME s_scm_sys_goops_early_init
+{
+ var_make_standard_class = scm_c_lookup ("make-standard-class");
+
+ scm_class_class = scm_variable_ref (scm_c_lookup ("<class>"));
+ scm_class_top = scm_variable_ref (scm_c_lookup ("<top>"));
+ scm_class_object = scm_variable_ref (scm_c_lookup ("<object>"));
+
+ scm_class_foreign_slot = scm_variable_ref (scm_c_lookup ("<foreign-slot>"));
+ scm_class_protected = scm_variable_ref (scm_c_lookup ("<protected-slot>"));
+ scm_class_hidden = scm_variable_ref (scm_c_lookup ("<hidden-slot>"));
+ scm_class_opaque = scm_variable_ref (scm_c_lookup ("<opaque-slot>"));
+ scm_class_read_only = scm_variable_ref (scm_c_lookup ("<read-only-slot>"));
+ scm_class_self = scm_variable_ref (scm_c_lookup ("<self-slot>"));
+ scm_class_protected_opaque = scm_variable_ref (scm_c_lookup ("<protected-opaque-slot>"));
+ scm_class_protected_hidden = scm_variable_ref (scm_c_lookup ("<protected-hidden-slot>"));
+ scm_class_protected_read_only = scm_variable_ref (scm_c_lookup ("<protected-read-only-slot>"));
+ scm_class_scm = scm_variable_ref (scm_c_lookup ("<scm-slot>"));
+ scm_class_int = scm_variable_ref (scm_c_lookup ("<int-slot>"));
+ scm_class_float = scm_variable_ref (scm_c_lookup ("<float-slot>"));
+ scm_class_double = scm_variable_ref (scm_c_lookup ("<double-slot>"));
+
+ /* scm_class_generic functions classes */
+ scm_class_procedure_class = scm_variable_ref (scm_c_lookup ("<procedure-class>"));
+ scm_class_applicable_struct_class = scm_variable_ref (scm_c_lookup ("<applicable-struct-class>"));
+
+ scm_class_method = scm_variable_ref (scm_c_lookup ("<method>"));
+ scm_class_accessor_method = scm_variable_ref (scm_c_lookup ("<accessor-method>"));
+ scm_class_applicable = scm_variable_ref (scm_c_lookup ("<applicable>"));
+ scm_class_applicable_struct = scm_variable_ref (scm_c_lookup ("<applicable-struct>"));
+ scm_class_generic = scm_variable_ref (scm_c_lookup ("<generic>"));
+ scm_class_extended_generic = scm_variable_ref (scm_c_lookup ("<extended-generic>"));
+ scm_class_generic_with_setter = scm_variable_ref (scm_c_lookup ("<generic-with-setter>"));
+ scm_class_accessor = scm_variable_ref (scm_c_lookup ("<accessor>"));
+ scm_class_extended_generic_with_setter = scm_variable_ref (scm_c_lookup ("<extended-generic-with-setter>"));
+ scm_class_extended_accessor = scm_variable_ref (scm_c_lookup ("<extended-accessor>"));
+
+ /* Primitive types classes */
+ scm_class_boolean = scm_variable_ref (scm_c_lookup ("<boolean>"));
+ scm_class_char = scm_variable_ref (scm_c_lookup ("<char>"));
+ scm_class_list = scm_variable_ref (scm_c_lookup ("<list>"));
+ scm_class_pair = scm_variable_ref (scm_c_lookup ("<pair>"));
+ scm_class_null = scm_variable_ref (scm_c_lookup ("<null>"));
+ scm_class_string = scm_variable_ref (scm_c_lookup ("<string>"));
+ scm_class_symbol = scm_variable_ref (scm_c_lookup ("<symbol>"));
+ scm_class_vector = scm_variable_ref (scm_c_lookup ("<vector>"));
+ class_foreign = scm_variable_ref (scm_c_lookup ("<foreign>"));
+ class_hashtable = scm_variable_ref (scm_c_lookup ("<hashtable>"));
+ class_fluid = scm_variable_ref (scm_c_lookup ("<fluid>"));
+ class_dynamic_state = scm_variable_ref (scm_c_lookup ("<dynamic-state>"));
+ class_frame = scm_variable_ref (scm_c_lookup ("<frame>"));
+ class_vm_cont = scm_variable_ref (scm_c_lookup ("<vm-continuation>"));
+ class_bytevector = scm_variable_ref (scm_c_lookup ("<bytevector>"));
+ class_uvec = scm_variable_ref (scm_c_lookup ("<uvec>"));
+ class_array = scm_variable_ref (scm_c_lookup ("<array>"));
+ class_bitvector = scm_variable_ref (scm_c_lookup ("<bitvector>"));
+ scm_class_number = scm_variable_ref (scm_c_lookup ("<number>"));
+ scm_class_complex = scm_variable_ref (scm_c_lookup ("<complex>"));
+ scm_class_real = scm_variable_ref (scm_c_lookup ("<real>"));
+ scm_class_integer = scm_variable_ref (scm_c_lookup ("<integer>"));
+ scm_class_fraction = scm_variable_ref (scm_c_lookup ("<fraction>"));
+ scm_class_keyword = scm_variable_ref (scm_c_lookup ("<keyword>"));
+ scm_class_unknown = scm_variable_ref (scm_c_lookup ("<unknown>"));
+ scm_class_procedure = scm_variable_ref (scm_c_lookup ("<procedure>"));
+ scm_class_primitive_generic = scm_variable_ref (scm_c_lookup ("<primitive-generic>"));
+ scm_class_port = scm_variable_ref (scm_c_lookup ("<port>"));
+ scm_class_input_port = scm_variable_ref (scm_c_lookup ("<input-port>"));
+ scm_class_output_port = scm_variable_ref (scm_c_lookup ("<output-port>"));
+ scm_class_input_output_port = scm_variable_ref (scm_c_lookup ("<input-output-port>"));
+
+ create_smob_classes ();
+ create_struct_classes ();
+ create_port_classes ();
+
+ {
+ SCM name = scm_from_latin1_symbol ("no-applicable-method");
+ scm_no_applicable_method =
+ scm_make (scm_list_3 (scm_class_generic, k_name, name));
+ scm_module_define (scm_module_goops, name, scm_no_applicable_method);
+ }
+
+ return SCM_UNSPECIFIED;
+}
+#undef FUNC_NAME
+
SCM_DEFINE (scm_sys_goops_loaded, "%goops-loaded", 0, 0, 0,
(),
"Announce that GOOPS is loaded and perform initialization\n"
#define FUNC_NAME s_scm_sys_goops_loaded
{
goops_loaded_p = 1;
- var_compute_applicable_methods =
- scm_module_variable (scm_module_goops, sym_compute_applicable_methods);
var_slot_unbound =
scm_module_variable (scm_module_goops, sym_slot_unbound);
var_slot_missing =
scm_module_variable (scm_module_goops, sym_slot_missing);
- var_compute_cpl =
- scm_module_variable (scm_module_goops, sym_compute_cpl);
var_no_applicable_method =
scm_module_variable (scm_module_goops, sym_no_applicable_method);
var_change_class =
SCM scm_module_goops;
-SCM
-scm_init_goops_builtins (void)
+static void
+scm_init_goops_builtins (void *unused)
{
scm_module_goops = scm_current_module ();
goops_rstate = scm_c_make_rstate ("GOOPS", 5);
-#include "libguile/goops.x"
-
hell = scm_calloc (hell_size * sizeof (*hell));
hell_mutex = scm_make_mutex ();
- create_basic_classes ();
- create_standard_classes ();
- create_smob_classes ();
- create_struct_classes ();
- create_port_classes ();
-
- {
- SCM name = scm_from_latin1_symbol ("no-applicable-method");
- scm_no_applicable_method =
- scm_make (scm_list_3 (scm_class_generic, k_name, name));
- scm_module_define (scm_module_goops, name, scm_no_applicable_method);
- }
-
- return SCM_UNSPECIFIED;
+#include "libguile/goops.x"
}
void
scm_init_goops ()
{
- scm_c_define_gsubr ("%init-goops-builtins", 0, 0, 0,
- scm_init_goops_builtins);
+ scm_c_register_extension ("libguile-" SCM_EFFECTIVE_VERSION,
+ "scm_init_goops_builtins", scm_init_goops_builtins,
+ NULL);
}
/*