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quakeforge/libs/ruamoko/rua_obj.c
Bill Currie cb0bc7229a Resurect the debugging messages in rua_obj.c 
Yet another debug flag: SYS_RUA_OBJ
2011-01-10 12:26:10 +09:00

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/*
rua_obj.c
Progs Obj runtime support
Copyright (C) 2001 Bill Currie
Author: Bill Currie <bill@taniwha.org>
Date: 2002/7/21
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
of the License, 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 program; if not, write to:
Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307, USA
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
static __attribute__ ((used)) const char rcsid[] =
"$Id$";
#ifdef HAVE_STRING_H
# include <string.h>
#endif
#ifdef HAVE_STRINGS_H
# include <strings.h>
#endif
#ifdef HAVE_MALLOC_H
#include <malloc.h>
#endif
#include "QF/cvar.h"
#include "QF/dstring.h"
#include "QF/hash.h"
#include "QF/pr_obj.h"
#include "QF/progs.h"
#include "QF/sys.h"
#include "compat.h"
#include "rua_internal.h"
typedef struct obj_list_s {
struct obj_list_s *next;
void *data;
} obj_list;
static obj_list *obj_list_free_list;
static obj_list *
obj_list_new (void)
{
int i;
obj_list *l;
if (!obj_list_free_list) {
obj_list_free_list = calloc (128, sizeof (obj_list));
for (i = 0; i < 127; i++)
obj_list_free_list[i].next = &obj_list_free_list[i + 1];
}
l = obj_list_free_list;
obj_list_free_list = l->next;
l->next = 0;
return l;
}
static void
obj_list_free (obj_list *l)
{
obj_list *e;
if (!l)
return;
for (e = l; e->next; e = e->next)
;
e->next = obj_list_free_list;
obj_list_free_list = l;
}
static inline obj_list *
list_cons (void *data, obj_list *next)
{
obj_list *l = obj_list_new ();
l->data = data;
l->next = next;
return l;
}
static inline void
list_remove (obj_list **list)
{
if ((*list)->next) {
obj_list *l = *list;
*list = (*list)->next;
l->next = 0;
obj_list_free (l);
} else {
obj_list_free (*list);
*list = 0;
}
}
typedef struct class_tree {
pr_class_t *class;
obj_list *subclasses;
} class_tree;
class_tree *class_tree_free_list;
static class_tree *
class_tree_new (void)
{
int i;
class_tree *t;
if (!class_tree_free_list) {
class_tree_free_list = calloc (128, sizeof (class_tree));
for (i = 0; i < 127; i++) {
class_tree *x = &class_tree_free_list[i];
x->subclasses = (obj_list *) (x + 1);
}
}
t = class_tree_free_list;
class_tree_free_list = (class_tree *) t->subclasses;
t->subclasses = 0;
return t;
}
static int
class_is_subclass_of_class (progs_t *pr, pr_class_t *class,
pr_class_t *superclass)
{
while (class) {
if (class == superclass)
return 1;
if (!class->super_class)
break;
class = Hash_Find (pr->classes, PR_GetString (pr, class->super_class));
}
return 0;
}
static class_tree *
create_tree_of_subclasses_inherited_from (progs_t *pr, pr_class_t *bottom,
pr_class_t *upper)
{
const char *super_class = PR_GetString (pr, bottom->super_class);
pr_class_t *superclass;
class_tree *tree, *prev;
superclass = bottom->super_class ? Hash_Find (pr->classes, super_class)
: 0;
tree = prev = class_tree_new ();
prev->class = bottom;
while (superclass != upper) {
tree = class_tree_new ();
tree->class = superclass;
tree->subclasses = list_cons (prev, tree->subclasses);
super_class = PR_GetString (pr, superclass->super_class);
superclass = (superclass->super_class ? Hash_Find (pr->classes,
super_class)
: 0);
prev = tree;
}
return tree;
}
static class_tree *
_obj_tree_insert_class (progs_t *pr, class_tree *tree, pr_class_t *class)
{
obj_list *subclasses;
class_tree *new_tree;
if (!tree)
return create_tree_of_subclasses_inherited_from (pr, class, 0);
if (class == tree->class)
return tree;
if ((class->super_class ? Hash_Find (pr->classes,
PR_GetString (pr,
class->super_class))
: 0) == tree->class) {
obj_list *list = tree->subclasses;
class_tree *node;
while (list) {
if (((class_tree *) list->data)->class == class)
return tree;
list = list->next;
}
node = class_tree_new ();
node->class = class;
tree->subclasses = list_cons (node, tree->subclasses);
return tree;
}
if (!class_is_subclass_of_class (pr, class, tree->class))
return 0;
for (subclasses = tree->subclasses; subclasses;
subclasses = subclasses->next) {
pr_class_t *aclass = ((class_tree *)subclasses->data)->class;
if (class_is_subclass_of_class (pr, class, aclass)) {
subclasses->data = _obj_tree_insert_class (pr, subclasses->data,
class);
return tree;
}
}
new_tree = create_tree_of_subclasses_inherited_from (pr, class,
tree->class);
tree->subclasses = list_cons (new_tree, tree->subclasses);
return tree;
}
static void
obj_tree_insert_class (progs_t *pr, pr_class_t *class)
{
obj_list *list_node;
class_tree *tree;
list_node = pr->class_tree_list;
while (list_node) {
tree = _obj_tree_insert_class (pr, list_node->data, class);
if (tree) {
list_node->data = tree;
break;
} else {
list_node = list_node->next;
}
}
if (!list_node) {
tree = _obj_tree_insert_class (pr, 0, class);
pr->class_tree_list = list_cons (tree, pr->class_tree_list);
}
}
static void
obj_create_classes_tree (progs_t *pr, pr_module_t *module)
{
pr_symtab_t *symtab = &G_STRUCT (pr, pr_symtab_t, module->symtab);
int i;
for (i = 0; i < symtab->cls_def_cnt; i++) {
pr_class_t *class = &G_STRUCT (pr, pr_class_t, symtab->defs[i]);
obj_tree_insert_class (pr, class);
}
}
static void
obj_destroy_class_tree_node (progs_t *pr, class_tree *tree, int level)
{
tree->subclasses = (obj_list *) class_tree_free_list;
class_tree_free_list = tree;
}
static void
obj_preorder_traverse (progs_t *pr, class_tree *tree, int level,
void (*func) (progs_t *, class_tree *, int))
{
obj_list *node;
func (pr, tree, level);
for (node = tree->subclasses; node; node = node->next)
obj_preorder_traverse (pr, node->data, level + 1, func);
}
static void
obj_postorder_traverse (progs_t *pr, class_tree *tree, int level,
void (*func) (progs_t *, class_tree *, int))
{
obj_list *node;
for (node = tree->subclasses; node; node = node->next)
obj_postorder_traverse (pr, node->data, level + 1, func);
func (pr, tree, level);
}
static const char *
selector_get_key (void *s, void *_pr)
{
progs_t *pr = (progs_t *) _pr;
return PR_GetString (pr, pr->selector_names[(intptr_t) s]);
}
static const char *
class_get_key (void *c, void *pr)
{
return PR_GetString ((progs_t *)pr, ((pr_class_t *)c)->name);
}
static uintptr_t
load_methods_get_hash (void *m, void *pr)
{
return (uintptr_t) m;
}
static int
load_methods_compare (void *m1, void *m2, void *pr)
{
return m1 == m2;
}
static inline int
sel_eq (pr_sel_t *s1, pr_sel_t *s2)
{
if (!s1 || !s2)
return s1 == s2;
return s1->sel_id == s2->sel_id;
}
static int
object_is_instance (progs_t *pr, pr_id_t *object)
{
pr_class_t *class;
if (object) {
class = &G_STRUCT (pr, pr_class_t, object->class_pointer);
return PR_CLS_ISCLASS (class);
}
return 0;
}
static string_t
object_get_class_name (progs_t *pr, pr_id_t *object)
{
pr_class_t *class;
if (object) {
class = &G_STRUCT (pr, pr_class_t, object->class_pointer);
if (PR_CLS_ISCLASS (class)) {
R_INT (pr) = class->name;
return class->name;
}
if (PR_CLS_ISMETA (class)) {
R_INT (pr) = ((pr_class_t *)object)->name;
return ((pr_class_t *)object)->name;
}
}
return PR_SetString (pr, "Nil");
}
//====================================================================
static void
finish_class (progs_t *pr, pr_class_t *class, pointer_t object_ptr)
{
pr_class_t *meta = &G_STRUCT (pr, pr_class_t, class->class_pointer);
pr_class_t *val;
meta->class_pointer = object_ptr;
if (class->super_class) {
const char *super_class = PR_GetString (pr, class->super_class);
const char *class_name = PR_GetString (pr, class->name);
val = Hash_Find (pr->classes, super_class);
if (!val)
PR_Error (pr, "broken class %s: super class %s not found",
class_name, super_class);
meta->super_class = val->class_pointer;
class->super_class = PR_SetPointer (pr, val);
} else {
pointer_t *ml = &meta->methods;
while (*ml)
ml = &G_STRUCT (pr, pr_method_list_t, *ml).method_next;
*ml = class->methods;
}
Sys_MaskPrintf (SYS_RUA_OBJ, " %x %x %x\n", meta->class_pointer,
meta->super_class, class->super_class);
}
//====================================================================
static int
add_sel_name (progs_t *pr, const char *name)
{
int ind = ++pr->selector_index;
int size, i;
if (pr->selector_index >= pr->selector_index_max) {
size = pr->selector_index_max + 128;
pr->selector_sels = realloc (pr->selector_sels,
size * sizeof (obj_list *));
pr->selector_names = realloc (pr->selector_names,
size * sizeof (string_t));
for (i = pr->selector_index_max; i < size; i++) {
pr->selector_sels[i] = 0;
pr->selector_names[i] = 0;
}
pr->selector_index_max = size;
}
pr->selector_names[ind] = PR_SetString (pr, name);
return ind;
}
static pr_sel_t *
sel_register_typed_name (progs_t *pr, const char *name, const char *types,
pr_sel_t *sel)
{
intptr_t index;
int is_new = 0;
obj_list *l;
Sys_MaskPrintf (SYS_RUA_OBJ, " Registering SEL %s %s\n", name, types);
index = (intptr_t) Hash_Find (pr->selector_hash, name);
if (index) {
for (l = pr->selector_sels[index]; l; l = l->next) {
pr_sel_t *s = l->data;
if (!types || !s->sel_types) {
if (!s->sel_types && !types) {
if (sel) {
sel->sel_id = index;
goto done;
}
return s;
}
} else if (strcmp (PR_GetString (pr, s->sel_types), types) == 0) {
if (sel) {
sel->sel_id = index;
goto done;
}
return s;
}
}
} else {
index = add_sel_name (pr, name);
is_new = 1;
}
if (!sel)
sel = PR_Zone_Malloc (pr, sizeof (pr_sel_t));
sel->sel_id = index;
sel->sel_types = PR_SetString (pr, types);
l = obj_list_new ();
l->data = sel;
l->next = pr->selector_sels[index];
pr->selector_sels[index] = l;
if (is_new)
Hash_Add (pr->selector_hash, (void *) index);
done:
Sys_MaskPrintf (SYS_RUA_OBJ, " %d @ %x\n",
sel->sel_id, PR_SetPointer (pr, sel));
return sel;
}
static pr_sel_t *
sel_register_name (progs_t *pr, const char *name)
{
return sel_register_typed_name (pr, name, "", 0);
}
static void
register_selectors_from_list (progs_t *pr, pr_method_list_t *method_list)
{
int i;
for (i = 0; i < method_list->method_count; i++) {
pr_method_t *method = &method_list->method_list[i];
const char *name = PR_GetString (pr, method->method_name);
const char *types = PR_GetString (pr, method->method_types);
pr_sel_t *sel = sel_register_typed_name (pr, name, types, 0);
method->method_name = PR_SetPointer (pr, sel);
}
}
static void
obj_register_selectors_from_class (progs_t *pr, pr_class_t *class)
{
pr_method_list_t *method_list = &G_STRUCT (pr, pr_method_list_t,
class->methods);
while (method_list) {
register_selectors_from_list (pr, method_list);
method_list = &G_STRUCT (pr, pr_method_list_t,
method_list->method_next);
}
}
static void
obj_init_protocols (progs_t *pr, pr_protocol_list_t *protos)
{
pr_class_t *proto_class;
pr_protocol_t *proto;
int i;
if (!protos)
return;
if (!(proto_class = Hash_Find (pr->classes, "Protocol"))) {
pr->unclaimed_proto_list = list_cons (protos,
pr->unclaimed_proto_list);
return;
}
for (i = 0; i < protos->count; i++) {
proto = &G_STRUCT (pr, pr_protocol_t, protos->list[i]);
if (!proto->class_pointer) {
proto->class_pointer = PR_SetPointer (pr, proto_class);
obj_init_protocols (pr, &G_STRUCT (pr, pr_protocol_list_t,
proto->protocol_list));
} else {
if (proto->class_pointer != PR_SetPointer (pr, proto_class))
PR_RunError (pr, "protocol broken");
}
}
}
static void
class_add_method_list (progs_t *pr, pr_class_t *class, pr_method_list_t *list)
{
int i;
for (i = 0; i < list->method_count; i++) {
pr_method_t *method = &list->method_list[i];
if (method->method_name) {
const char *name = PR_GetString (pr, method->method_name);
const char *types = PR_GetString (pr, method->method_types);
pr_sel_t *sel = sel_register_typed_name (pr, name, types, 0);
method->method_name = PR_SetPointer (pr, sel);
}
}
list->method_next = class->methods;
class->methods = PR_SetPointer (pr, list);
}
static void
obj_class_add_protocols (progs_t *pr, pr_class_t *class,
pr_protocol_list_t *protos)
{
if (!protos)
return;
protos->next = class->protocols;
class->protocols = protos->next;
}
static void
finish_category (progs_t *pr, pr_category_t *category, pr_class_t *class)
{
pr_method_list_t *method_list;
pr_protocol_list_t *protocol_list;
if (category->instance_methods) {
method_list = &G_STRUCT (pr, pr_method_list_t,
category->instance_methods);
class_add_method_list (pr, class, method_list);
}
if (category->class_methods) {
pr_class_t *meta = &G_STRUCT (pr, pr_class_t, class->class_pointer);
method_list = &G_STRUCT (pr, pr_method_list_t,
category->class_methods);
class_add_method_list (pr, meta, method_list);
}
if (category->protocols) {
protocol_list = &G_STRUCT (pr, pr_protocol_list_t,
category->protocols);
obj_init_protocols (pr, protocol_list);
obj_class_add_protocols (pr, class, protocol_list);
}
}
static void
obj_send_message_in_list (progs_t *pr, pr_method_list_t *method_list,
pr_class_t *class, pr_sel_t *op)
{
int i;
if (!method_list)
return;
obj_send_message_in_list (pr, &G_STRUCT (pr, pr_method_list_t,
method_list->method_next),
class, op);
for (i = 0; i < method_list->method_count; i++) {
pr_method_t *mth = &method_list->method_list[i];
if (mth->method_name && sel_eq (&G_STRUCT (pr, pr_sel_t,
mth->method_name), op)
&& !Hash_FindElement (pr->load_methods, (void *) (intptr_t) mth->method_imp)) {
Hash_AddElement (pr->load_methods, (void *) (intptr_t) mth->method_imp);
PR_ExecuteProgram (pr, mth->method_imp);
break;
}
}
}
static void
send_load (progs_t *pr, class_tree *tree, int level)
{
pr_sel_t *load_sel = sel_register_name (pr, "load");
pr_class_t *class = tree->class;
pr_class_t *meta = &G_STRUCT (pr, pr_class_t, class->class_pointer);
pr_method_list_t *method_list = &G_STRUCT (pr, pr_method_list_t,
meta->methods);
obj_send_message_in_list (pr, method_list, class, load_sel);
}
static void
obj_send_load (progs_t *pr)
{
obj_list *m;
if (pr->unresolved_classes) {
pr_class_t *class = pr->unresolved_classes->data;
const char *super_class = PR_GetString (pr, class->super_class);
while (Hash_Find (pr->classes, super_class)) {
list_remove (&pr->unresolved_classes);
if (pr->unresolved_classes) {
class = pr->unresolved_classes->data;
super_class = PR_GetString (pr, class->super_class);
} else {
break;
}
}
if (pr->unresolved_classes)
return;
}
//XXX constant string stuff here (see init.c in libobjc source)
for (m = pr->module_list; m; m = m->next)
obj_create_classes_tree (pr, m->data);
while (pr->class_tree_list) {
obj_preorder_traverse (pr, pr->class_tree_list->data, 0, send_load);
obj_postorder_traverse (pr, pr->class_tree_list->data, 0,
obj_destroy_class_tree_node);
list_remove (&pr->class_tree_list);
}
//XXX callback
//for (m = pr->module_list; m; m = m->next)
// obj_create_classes_tree (pr, m->data);
obj_list_free (pr->module_list);
pr->module_list = 0;
}
static pr_method_t *
obj_find_message (progs_t *pr, pr_class_t *class, pr_sel_t *selector)
{
pr_class_t *c = class;
pr_method_list_t *method_list;
pr_method_t *method;
pr_sel_t *sel;
int i;
int dev = developer->int_val;
string_t *names;
if (dev & SYS_RUA_MSG) {
names = pr->selector_names;
Sys_Printf ("Searching for %s\n",
PR_GetString (pr, names[selector->sel_id]));
}
while (c) {
if (dev & SYS_RUA_MSG)
Sys_Printf ("Checking class %s @ %x\n",
PR_GetString (pr, c->name),
PR_SetPointer (pr, c));
method_list = &G_STRUCT (pr, pr_method_list_t, c->methods);
while (method_list) {
if (dev & SYS_RUA_MSG) {
Sys_Printf ("method list %x\n",
PR_SetPointer (pr, method_list));
}
for (i = 0, method = method_list->method_list;
i < method_list->method_count; i++, method++) {
sel = &G_STRUCT (pr, pr_sel_t, method->method_name);
if (developer->int_val & SYS_RUA_MSG) {
names = pr->selector_names;
Sys_Printf (" %s\n",
PR_GetString (pr, names[sel->sel_id]));
}
if (sel->sel_id == selector->sel_id)
return method;
}
method_list = &G_STRUCT (pr, pr_method_list_t,
method_list->method_next);
}
c = c->super_class ? &G_STRUCT (pr, pr_class_t, c->super_class) : 0;
}
return 0;
}
static void
obj_send_initialize (progs_t *pr, pr_class_t *class)
{
pr_method_list_t *method_list;
pr_method_t *method;
pr_sel_t *sel;
pr_class_t *class_pointer;
pr_sel_t *selector = sel_register_name (pr, "initialize");
int i;
if (PR_CLS_ISINITIALIZED (class))
return;
class_pointer = &G_STRUCT (pr, pr_class_t, class->class_pointer);
PR_CLS_SETINITIALIZED (class);
PR_CLS_SETINITIALIZED (class_pointer);
if (class->super_class)
obj_send_initialize (pr, &G_STRUCT (pr, pr_class_t,
class->super_class));
method_list = &G_STRUCT (pr, pr_method_list_t, class_pointer->methods);
while (method_list) {
for (i = 0, method = method_list->method_list;
i < method_list->method_count; i++, method++) {
sel = &G_STRUCT (pr, pr_sel_t, method->method_name);
if (sel->sel_id == selector->sel_id) {
PR_PushFrame (pr);
PR_SaveParams (pr);
// param 0 is known to be the class pointer
P_POINTER (pr, 1) = method->method_name;
// pr->pr_argc is known to be 2
PR_ExecuteProgram (pr, method->method_imp);
PR_RestoreParams (pr);
PR_PopFrame (pr);
return;
}
}
method_list = &G_STRUCT (pr, pr_method_list_t,
method_list->method_next);
}
}
static func_t
get_imp (progs_t *pr, pr_class_t *class, pr_sel_t *sel)
{
pr_method_t *method = obj_find_message (pr, class, sel);
return method ? method->method_imp : 0;
}
static func_t
obj_msg_lookup (progs_t *pr, pr_id_t *receiver, pr_sel_t *op)
{
pr_class_t *class;
if (!receiver)
return 0;
class = &G_STRUCT (pr, pr_class_t, receiver->class_pointer);
if (PR_CLS_ISCLASS (class)) {
if (!PR_CLS_ISINITIALIZED (class))
obj_send_initialize (pr, class);
} else if (PR_CLS_ISMETA (class)
&& PR_CLS_ISCLASS ((pr_class_t *) receiver)) {
if (!PR_CLS_ISINITIALIZED ((pr_class_t *) receiver))
obj_send_initialize (pr, (pr_class_t *) receiver);
}
return get_imp (pr, class, op);
}
static func_t
obj_msg_lookup_super (progs_t *pr, pr_super_t *super, pr_sel_t *op)
{
pr_class_t *class;
if (!super->self)
return 0;
class = &G_STRUCT (pr, pr_class_t, super->class);
return get_imp (pr, class, op);
}
static void
obj_verror (progs_t *pr, pr_id_t *object, int code, const char *fmt, int count,
pr_type_t *args)
{
pr_type_t **arglist = (pr_type_t **) alloca (count * sizeof (pr_type_t *));
dstring_t *dstr = dstring_newstr ();
int i;
for (i = 0; i < count; i++)
arglist[i] = args + i * 3;
PR_Sprintf (pr, dstr, "obj_verror", fmt, count, arglist);
PR_RunError (pr, "%s", dstr->str);
}
static void
dump_ivars (progs_t *pr, pointer_t _ivars)
{
pr_ivar_list_t *ivars;
int i;
if (!_ivars)
return;
ivars = &G_STRUCT (pr, pr_ivar_list_t, _ivars);
for (i = 0; i < ivars->ivar_count; i++) {
Sys_Printf (" %s %s %d\n",
PR_GetString (pr, ivars->ivar_list[i].ivar_name),
PR_GetString (pr, ivars->ivar_list[i].ivar_type),
ivars->ivar_list[i].ivar_offset);
}
}
static void
rua___obj_exec_class (progs_t *pr)
{
pr_module_t *module = &P_STRUCT (pr, pr_module_t, 0);
pr_symtab_t *symtab;
pr_sel_t *sel;
pointer_t *ptr;
int i;
obj_list **cell;
if (!module)
return;
symtab = &G_STRUCT (pr, pr_symtab_t, module->symtab);
if (!symtab)
return;
Sys_MaskPrintf (SYS_RUA_OBJ, "Initializing %s module\n"
"symtab @ %x : %d selector%s @ %x, "
"%d class%s and %d categor%s\n",
PR_GetString (pr, module->name), module->symtab,
symtab->sel_ref_cnt, symtab->sel_ref_cnt == 1 ? "" : "s",
symtab->refs,
symtab->cls_def_cnt, symtab->cls_def_cnt == 1 ? "" : "es",
symtab->cat_def_cnt,
symtab->cat_def_cnt == 1 ? "y" : "ies");
pr->module_list = list_cons (module, pr->module_list);
sel = &G_STRUCT (pr, pr_sel_t, symtab->refs);
for (i = 0; i < symtab->sel_ref_cnt; i++) {
const char *name, *types;
name = PR_GetString (pr, sel->sel_id);
types = PR_GetString (pr, sel->sel_types);
sel_register_typed_name (pr, name, types, sel);
sel++;
}
ptr = symtab->defs;
for (i = 0; i < symtab->cls_def_cnt; i++, ptr++) {
pr_class_t *class = &G_STRUCT (pr, pr_class_t, *ptr);
pr_class_t *meta = &G_STRUCT (pr, pr_class_t, class->class_pointer);
const char *super_class = PR_GetString (pr, class->super_class);
Sys_MaskPrintf (SYS_RUA_OBJ, "Class %s @ %x\n",
PR_GetString (pr, class->name), *ptr);
Sys_MaskPrintf (SYS_RUA_OBJ, " class pointer: %x\n",
class->class_pointer);
Sys_MaskPrintf (SYS_RUA_OBJ, " super class: %s\n",
PR_GetString (pr, class->super_class));
Sys_MaskPrintf (SYS_RUA_OBJ, " instance variables: %d @ %x\n",
class->instance_size,
class->ivars);
if (developer->int_val & SYS_RUA_OBJ)
dump_ivars (pr, class->ivars);
Sys_MaskPrintf (SYS_RUA_OBJ, " instance methods: %x\n",
class->methods);
Sys_MaskPrintf (SYS_RUA_OBJ, " protocols: %x\n", class->protocols);
Sys_MaskPrintf (SYS_RUA_OBJ, " class methods: %x\n", meta->methods);
Sys_MaskPrintf (SYS_RUA_OBJ, " instance variables: %d @ %x\n",
meta->instance_size,
meta->ivars);
if (developer->int_val & SYS_RUA_OBJ)
dump_ivars (pr, meta->ivars);
class->subclass_list = 0;
Hash_Add (pr->classes, class);
obj_register_selectors_from_class (pr, class);
obj_register_selectors_from_class (pr, meta);
if (class->protocols) {
pr_protocol_list_t *protocol_list;
protocol_list = &G_STRUCT (pr, pr_protocol_list_t,
class->protocols);
obj_init_protocols (pr, protocol_list);
}
if (class->super_class && !Hash_Find (pr->classes, super_class))
pr->unresolved_classes = list_cons (class, pr->unresolved_classes);
}
for (i = 0; i < symtab->cat_def_cnt; i++, ptr++) {
pr_category_t *category = &G_STRUCT (pr, pr_category_t, *ptr);
const char *class_name = PR_GetString (pr, category->class_name);
pr_class_t *class = Hash_Find (pr->classes, class_name);
Sys_MaskPrintf (SYS_RUA_OBJ, "Category %s (%s) @ %x\n",
PR_GetString (pr, category->class_name),
PR_GetString (pr, category->category_name), *ptr);
Sys_MaskPrintf (SYS_RUA_OBJ, " instance methods: %x\n",
category->instance_methods);
Sys_MaskPrintf (SYS_RUA_OBJ, " class methods: %x\n",
category->class_methods);
Sys_MaskPrintf (SYS_RUA_OBJ, " protocols: %x\n",
category->protocols);
if (class) {
finish_category (pr, category, class);
} else {
pr->unclaimed_categories = list_cons (category,
pr->unclaimed_categories);
}
}
for (cell = &pr->unclaimed_categories; *cell; ) {
pr_category_t *category = (*cell)->data;
const char *class_name = PR_GetString (pr, category->class_name);
pr_class_t *class = Hash_Find (pr->classes, class_name);
if (class) {
list_remove (cell);
finish_category (pr, category, class);
} else {
cell = &(*cell)->next;
}
}
if (pr->unclaimed_proto_list && Hash_Find (pr->classes, "Protocol")) {
for (cell = &pr->unclaimed_proto_list; *cell; ) {
obj_init_protocols (pr, (*cell)->data);
list_remove (cell);
}
}
Sys_MaskPrintf (SYS_RUA_OBJ, "Finished initializing %s module\n",
PR_GetString (pr, module->name));
obj_send_load (pr);
Sys_MaskPrintf (SYS_RUA_OBJ, "Leaving %s module init\n",
PR_GetString (pr, module->name));
}
static void
rua_obj_error (progs_t *pr)
{
pr_id_t *object = &P_STRUCT (pr, pr_id_t, 0);
int code = P_INT (pr, 1);
const char *fmt = P_GSTRING (pr, 2);
int count = pr->pr_argc - 3;
pr_type_t *args = pr->pr_params[3];
obj_verror (pr, object, code, fmt, count, args);
}
static void
rua_obj_verror (progs_t *pr)
{
pr_id_t *object = &P_STRUCT (pr, pr_id_t, 0);
int code = P_INT (pr, 1);
const char *fmt = P_GSTRING (pr, 2);
pr_va_list_t *val = (pr_va_list_t *) pr->pr_params[3];
obj_verror (pr, object, code, fmt, val->count,
&G_STRUCT (pr, pr_type_t, val->list));
}
static void
rua_obj_set_error_handler (progs_t *pr)
{
//func_t func = P_INT (pr, 0);
//arglist
//XXX
PR_RunError (pr, "%s, not implemented", __FUNCTION__);
}
static void
rua_obj_msg_lookup (progs_t *pr)
{
pr_id_t *receiver = &P_STRUCT (pr, pr_id_t, 0);
pr_sel_t *op = &P_STRUCT (pr, pr_sel_t, 1);
R_INT (pr) = obj_msg_lookup (pr, receiver, op);
}
static void
rua_obj_msg_lookup_super (progs_t *pr)
{
pr_super_t *super = &P_STRUCT (pr, pr_super_t, 0);
pr_sel_t *_cmd = &P_STRUCT (pr, pr_sel_t, 1);
R_INT (pr) = obj_msg_lookup_super (pr, super, _cmd);
}
static void
rua_obj_msg_sendv (progs_t *pr)
{
pr_id_t *receiver = &P_STRUCT (pr, pr_id_t, 0);
pr_sel_t *op = &P_STRUCT (pr, pr_sel_t, 1);
pr_va_list_t *args = (pr_va_list_t *) &P_POINTER (pr, 2);
pr_type_t *params = G_GPOINTER (pr, args->list);
int count = args->count;
func_t imp = obj_msg_lookup (pr, receiver, op);
count = bound (0, count, 6);
if (count && pr_boundscheck->int_val)
PR_BoundsCheckSize (pr, args->list, count * pr->pr_param_size);
if (!imp)
PR_RunError (pr, "%s does not respond to %s",
PR_GetString (pr, object_get_class_name (pr, receiver)),
PR_GetString (pr, pr->selector_names[op->sel_id]));
if (count)
memcpy (pr->pr_params[2], params, count * 4 * pr->pr_param_size);
PR_CallFunction (pr, imp);
}
static void
rua_obj_malloc (progs_t *pr)
{
int size = P_INT (pr, 0) * sizeof (pr_type_t);
void *mem = PR_Zone_Malloc (pr, size);
RETURN_POINTER (pr, mem);
}
static void
rua_obj_atomic_malloc (progs_t *pr)
{
int size = P_INT (pr, 0) * sizeof (pr_type_t);
void *mem = PR_Zone_Malloc (pr, size);
RETURN_POINTER (pr, mem);
}
static void
rua_obj_valloc (progs_t *pr)
{
int size = P_INT (pr, 0) * sizeof (pr_type_t);
void *mem = PR_Zone_Malloc (pr, size);
RETURN_POINTER (pr, mem);
}
static void
rua_obj_realloc (progs_t *pr)
{
void *mem = (void*)P_GPOINTER (pr, 0);
int size = P_INT (pr, 1) * sizeof (pr_type_t);
mem = PR_Zone_Realloc (pr, mem, size);
RETURN_POINTER (pr, mem);
}
static void
rua_obj_calloc (progs_t *pr)
{
int size = P_INT (pr, 0) * sizeof (pr_type_t);
void *mem = PR_Zone_Malloc (pr, size);
memset (mem, 0, size);
RETURN_POINTER (pr, mem);
}
static void
rua_obj_free (progs_t *pr)
{
void *mem = (void*)P_GPOINTER (pr, 0);
PR_Zone_Free (pr, mem);
}
static void
rua_obj_get_uninstalled_dtable (progs_t *pr)
{
//XXX
PR_RunError (pr, "%s, not implemented", __FUNCTION__);
}
static void
rua_obj_msgSend (progs_t *pr)
{
pr_id_t *self = &P_STRUCT (pr, pr_id_t, 0);
pr_sel_t *_cmd = &P_STRUCT (pr, pr_sel_t, 1);
func_t imp;
if (!self) {
R_INT (pr) = R_INT (pr);
return;
}
if (!_cmd)
PR_RunError (pr, "null selector");
imp = obj_msg_lookup (pr, self, _cmd);
if (!imp)
PR_RunError (pr, "%s does not respond to %s",
PR_GetString (pr, object_get_class_name (pr, self)),
PR_GetString (pr, pr->selector_names[_cmd->sel_id]));
PR_CallFunction (pr, imp);
}
static void
rua_obj_msgSend_super (progs_t *pr)
{
pr_super_t *super = &P_STRUCT (pr, pr_super_t, 0);
pr_sel_t *_cmd = &P_STRUCT (pr, pr_sel_t, 1);
func_t imp;
imp = obj_msg_lookup_super (pr, super, _cmd);
if (!imp) {
pr_id_t *self = &G_STRUCT (pr, pr_id_t, super->self);
PR_RunError (pr, "%s does not respond to %s",
PR_GetString (pr, object_get_class_name (pr, self)),
PR_GetString (pr, pr->selector_names[_cmd->sel_id]));
}
pr->pr_params[0] = pr->pr_real_params[0];
P_POINTER (pr, 0) = super->self;
PR_CallFunction (pr, imp);
}
static void
rua_obj_get_class (progs_t *pr)
{
const char *name = P_GSTRING (pr, 0);
pr_class_t *class;
class = Hash_Find (pr->classes, name);
if (!class)
PR_RunError (pr, "could not find class %s", name);
RETURN_POINTER (pr, class);
}
static void
rua_obj_lookup_class (progs_t *pr)
{
const char *name = P_GSTRING (pr, 0);
pr_class_t *class;
class = Hash_Find (pr->classes, name);
RETURN_POINTER (pr, class);
}
static void
rua_obj_next_class (progs_t *pr)
{
//XXX
PR_RunError (pr, "%s, not implemented", __FUNCTION__);
}
//====================================================================
static void
rua_sel_get_name (progs_t *pr)
{
pr_sel_t *sel = &P_STRUCT (pr, pr_sel_t, 0);
if (sel->sel_id > 0 && sel->sel_id <= pr->selector_index)
R_STRING (pr) = pr->selector_names[sel->sel_id];
else
R_STRING (pr) = 0;
}
static void
rua_sel_get_type (progs_t *pr)
{
pr_sel_t *sel = &P_STRUCT (pr, pr_sel_t, 0);
R_INT (pr) = sel->sel_types;
}
static void
rua_sel_get_uid (progs_t *pr)
{
const char *name = P_GSTRING (pr, 0);
RETURN_POINTER (pr, sel_register_typed_name (pr, name, "", 0));
}
static void
rua_sel_register_name (progs_t *pr)
{
const char *name = P_GSTRING (pr, 0);
RETURN_POINTER (pr, sel_register_typed_name (pr, name, "", 0));
}
static void
rua_sel_is_mapped (progs_t *pr)
{
// FIXME might correspond to a string
pr_sel_t *sel = &P_STRUCT (pr, pr_sel_t, 0);
R_INT (pr) = sel->sel_id > 0 && sel->sel_id <= pr->selector_index;
}
//====================================================================
static void
rua_class_get_class_method (progs_t *pr)
{
pr_class_t *class = &P_STRUCT (pr, pr_class_t, 0);
pr_sel_t *aSel = &P_STRUCT (pr, pr_sel_t, 1);
pr_method_t *method;
class = &G_STRUCT (pr, pr_class_t, class->class_pointer);
method = obj_find_message (pr, class, aSel);
RETURN_POINTER (pr, method);
}
static void
rua_class_get_instance_method (progs_t *pr)
{
pr_class_t *class = &P_STRUCT (pr, pr_class_t, 0);
pr_sel_t *aSel = &P_STRUCT (pr, pr_sel_t, 1);
pr_method_t *method = obj_find_message (pr, class, aSel);
RETURN_POINTER (pr, method);
}
#define CLASSOF(x) (&G_STRUCT (pr, pr_class_t, (x)->class_pointer))
static void
rua_class_pose_as (progs_t *pr)
{
pr_class_t *impostor = &P_STRUCT (pr, pr_class_t, 0);
pr_class_t *superclass = &P_STRUCT (pr, pr_class_t, 1);
pointer_t *subclass;
subclass = &superclass->subclass_list;
while (*subclass) {
pr_class_t *sub = &P_STRUCT (pr, pr_class_t, *subclass);
pointer_t nextSub = sub->sibling_class;
if (sub != impostor) {
sub->sibling_class = impostor->subclass_list;
sub->super_class = P_POINTER (pr, 0); // impostor
impostor->subclass_list = *subclass; // sub
CLASSOF (sub)->sibling_class = CLASSOF (impostor)->sibling_class;
CLASSOF (sub)->super_class = impostor->class_pointer;
CLASSOF (impostor)->subclass_list = sub->class_pointer;
}
*subclass = nextSub;
}
superclass->subclass_list = P_POINTER (pr, 0); // impostor
CLASSOF (superclass)->subclass_list = impostor->class_pointer;
impostor->sibling_class = 0;
CLASSOF (impostor)->sibling_class = 0;
//XXX how much do I need to do here?!?
//class_table_replace (super_class, impostor);
R_INT (pr) = P_POINTER (pr, 0); // impostor
}
#undef CLASSOF
static inline pr_id_t *
class_create_instance (progs_t *pr, pr_class_t *class)
{
int size = class->instance_size * sizeof (pr_type_t);
pr_id_t *id;
id = PR_Zone_Malloc (pr, size);
memset (id, 0, size);
id->class_pointer = PR_SetPointer (pr, class);
return id;
}
static void
rua_class_create_instance (progs_t *pr)
{
pr_class_t *class = &P_STRUCT (pr, pr_class_t, 0);
pr_id_t *id = class_create_instance (pr, class);
RETURN_POINTER (pr, id);
}
static void
rua_class_get_class_name (progs_t *pr)
{
pr_class_t *class = &P_STRUCT (pr, pr_class_t, 0);
R_INT (pr) = PR_CLS_ISCLASS (class) ? class->name
: PR_SetString (pr, "Nil");
}
static void
rua_class_get_instance_size (progs_t *pr)
{
pr_class_t *class = &P_STRUCT (pr, pr_class_t, 0);
R_INT (pr) = PR_CLS_ISCLASS (class) ? class->instance_size : 0;
}
static void
rua_class_get_meta_class (progs_t *pr)
{
pr_class_t *class = &P_STRUCT (pr, pr_class_t, 0);
R_INT (pr) = PR_CLS_ISCLASS (class) ? class->class_pointer : 0;
}
static void
rua_class_get_super_class (progs_t *pr)
{
pr_class_t *class = &P_STRUCT (pr, pr_class_t, 0);
R_INT (pr) = PR_CLS_ISCLASS (class) ? class->super_class : 0;
}
static void
rua_class_get_version (progs_t *pr)
{
pr_class_t *class = &P_STRUCT (pr, pr_class_t, 0);
R_INT (pr) = PR_CLS_ISCLASS (class) ? class->version : -1;
}
static void
rua_class_is_class (progs_t *pr)
{
pr_class_t *class = &P_STRUCT (pr, pr_class_t, 0);
R_INT (pr) = PR_CLS_ISCLASS (class);
}
static void
rua_class_is_meta_class (progs_t *pr)
{
pr_class_t *class = &P_STRUCT (pr, pr_class_t, 0);
R_INT (pr) = PR_CLS_ISMETA (class);
}
static void
rua_class_set_version (progs_t *pr)
{
pr_class_t *class = &P_STRUCT (pr, pr_class_t, 0);
if (PR_CLS_ISCLASS (class))
class->version = P_INT (pr, 1);
}
static void
rua_class_get_gc_object_type (progs_t *pr)
{
pr_class_t *class = &P_STRUCT (pr, pr_class_t, 0);
R_INT (pr) = PR_CLS_ISCLASS (class) ? class->gc_object_type : 0;
}
static void
rua_class_ivar_set_gcinvisible (progs_t *pr)
{
//pr_class_t *impostor = &P_STRUCT (pr, pr_class_t, 0);
//const char *ivarname = P_GSTRING (pr, 1);
//int gcInvisible = P_INT (pr, 2);
//XXX
PR_RunError (pr, "%s, not implemented", __FUNCTION__);
}
//====================================================================
static void
rua_method_get_imp (progs_t *pr)
{
pr_method_t *method = &P_STRUCT (pr, pr_method_t, 0);
R_INT (pr) = method->method_imp;
}
static void
rua_get_imp (progs_t *pr)
{
pr_class_t *class = &P_STRUCT (pr, pr_class_t, 0);
pr_sel_t *sel = &P_STRUCT (pr, pr_sel_t, 1);
R_INT (pr) = get_imp (pr, class, sel);
}
//====================================================================
static void
rua_object_dispose (progs_t *pr)
{
pr_id_t *object = &P_STRUCT (pr, pr_id_t, 0);
PR_Zone_Free (pr, object);
}
static void
rua_object_copy (progs_t *pr)
{
pr_id_t *object = &P_STRUCT (pr, pr_id_t, 0);
pr_class_t *class = &G_STRUCT (pr, pr_class_t, object->class_pointer);
pr_id_t *id;
id = class_create_instance (pr, class);
memcpy (id, object, sizeof (pr_type_t) * class->instance_size);
RETURN_POINTER (pr, id);
}
static void
rua_object_get_class (progs_t *pr)
{
pr_id_t *object = &P_STRUCT (pr, pr_id_t, 0);
pr_class_t *class;
if (object) {
class = &G_STRUCT (pr, pr_class_t, object->class_pointer);
if (PR_CLS_ISCLASS (class)) {
RETURN_POINTER (pr, class);
return;
}
if (PR_CLS_ISMETA (class)) {
R_INT (pr) = P_INT (pr, 0);
return;
}
}
R_INT (pr) = 0;
}
static void
rua_object_get_super_class (progs_t *pr)
{
pr_id_t *object = &P_STRUCT (pr, pr_id_t, 0);
pr_class_t *class;
if (object) {
class = &G_STRUCT (pr, pr_class_t, object->class_pointer);
if (PR_CLS_ISCLASS (class)) {
R_INT (pr) = class->super_class;
return;
}
if (PR_CLS_ISMETA (class)) {
R_INT (pr) = ((pr_class_t *)object)->super_class;
return;
}
}
R_INT (pr) = 0;
}
static void
rua_object_get_meta_class (progs_t *pr)
{
pr_id_t *object = &P_STRUCT (pr, pr_id_t, 0);
pr_class_t *class;
if (object) {
class = &G_STRUCT (pr, pr_class_t, object->class_pointer);
if (PR_CLS_ISCLASS (class)) {
R_INT (pr) = class->class_pointer;
return;
}
if (PR_CLS_ISMETA (class)) {
R_INT (pr) = ((pr_class_t *)object)->class_pointer;
return;
}
}
R_INT (pr) = 0;
}
static void
rua_object_get_class_name (progs_t *pr)
{
pr_id_t *object = &P_STRUCT (pr, pr_id_t, 0);
R_STRING (pr) = object_get_class_name (pr, object);
}
static void
rua_object_is_class (progs_t *pr)
{
pr_id_t *object = &P_STRUCT (pr, pr_id_t, 0);
if (object) {
R_INT (pr) = PR_CLS_ISCLASS ((pr_class_t*)object);
return;
}
R_INT (pr) = 0;
}
static void
rua_object_is_instance (progs_t *pr)
{
pr_id_t *object = &P_STRUCT (pr, pr_id_t, 0);
R_INT (pr) = object_is_instance (pr, object);
}
static void
rua_object_is_meta_class (progs_t *pr)
{
pr_id_t *object = &P_STRUCT (pr, pr_id_t, 0);
if (object) {
R_INT (pr) = PR_CLS_ISMETA ((pr_class_t*)object);
return;
}
R_INT (pr) = 0;
}
//====================================================================
static void
rua__i_Object__hash (progs_t *pr)
{
R_INT (pr) = P_INT (pr, 0);
}
static void
rua__i_Object_error_error_ (progs_t *pr)
{
pr_id_t *self = &P_STRUCT (pr, pr_id_t, 0);
const char *fmt = P_GSTRING (pr, 2);
dstring_t *dstr = dstring_new ();
int count = pr->pr_argc - 3;
pr_type_t *args = pr->pr_params[3];
dsprintf (dstr, "error: %s (%s)\n%s",
PR_GetString (pr, object_get_class_name (pr, self)),
object_is_instance (pr, self) ? "instance" : "class", fmt);
obj_verror (pr, self, 0, dstr->str, count, args);
}
static void
rua__c_Object__conformsToProtocol_ (progs_t *pr)
{
//pr_id_t *object = &P_STRUCT (pr, pr_id_t, 0);
//pr_protocol_t *proto = &P_STRUCT (pr, pr_protocol_t, 2);
//...
//XXX
PR_RunError (pr, "%s, not implemented", __FUNCTION__);
}
//====================================================================
static builtin_t obj_methods [] = {
{"__obj_exec_class", rua___obj_exec_class, -1},
{"obj_error", rua_obj_error, -1},
{"obj_verror", rua_obj_verror, -1},
{"obj_set_error_handler", rua_obj_set_error_handler, -1},
{"obj_msg_lookup", rua_obj_msg_lookup, -1},
{"obj_msg_lookup_super", rua_obj_msg_lookup_super, -1},
{"obj_msg_sendv", rua_obj_msg_sendv, -1},
{"obj_malloc", rua_obj_malloc, -1},
{"obj_atomic_malloc", rua_obj_atomic_malloc, -1},
{"obj_valloc", rua_obj_valloc, -1},
{"obj_realloc", rua_obj_realloc, -1},
{"obj_calloc", rua_obj_calloc, -1},
{"obj_free", rua_obj_free, -1},
{"obj_get_uninstalled_dtable", rua_obj_get_uninstalled_dtable, -1},
{"obj_msgSend", rua_obj_msgSend, -1},
{"obj_msgSend_super", rua_obj_msgSend_super, -1},
{"obj_get_class", rua_obj_get_class, -1},
{"obj_lookup_class", rua_obj_lookup_class, -1},
{"obj_next_class", rua_obj_next_class, -1},
{"sel_get_name", rua_sel_get_name, -1},
{"sel_get_type", rua_sel_get_type, -1},
{"sel_get_uid", rua_sel_get_uid, -1},
{"sel_register_name", rua_sel_register_name, -1},
{"sel_is_mapped", rua_sel_is_mapped, -1},
{"class_get_class_method", rua_class_get_class_method, -1},
{"class_get_instance_method", rua_class_get_instance_method, -1},
{"class_pose_as", rua_class_pose_as, -1},
{"class_create_instance", rua_class_create_instance, -1},
{"class_get_class_name", rua_class_get_class_name, -1},
{"class_get_instance_size", rua_class_get_instance_size, -1},
{"class_get_meta_class", rua_class_get_meta_class, -1},
{"class_get_super_class", rua_class_get_super_class, -1},
{"class_get_version", rua_class_get_version, -1},
{"class_is_class", rua_class_is_class, -1},
{"class_is_meta_class", rua_class_is_meta_class, -1},
{"class_set_version", rua_class_set_version, -1},
{"class_get_gc_object_type", rua_class_get_gc_object_type, -1},
{"class_ivar_set_gcinvisible", rua_class_ivar_set_gcinvisible, -1},
{"method_get_imp", rua_method_get_imp, -1},
{"get_imp", rua_get_imp, -1},
{"object_copy", rua_object_copy, -1},
{"object_dispose", rua_object_dispose, -1},
{"object_get_class", rua_object_get_class, -1},
{"object_get_class_name", rua_object_get_class_name, -1},
{"object_get_meta_class", rua_object_get_meta_class, -1},
{"object_get_super_class", rua_object_get_super_class, -1},
{"object_is_class", rua_object_is_class, -1},
{"object_is_instance", rua_object_is_instance, -1},
{"object_is_meta_class", rua_object_is_meta_class, -1},
{"_i_Object__hash", rua__i_Object__hash, -1},
{"_i_Object_error_error_", rua__i_Object_error_error_, -1},
{"_c_Object__conformsToProtocol_", rua__c_Object__conformsToProtocol_, -1},
{0}
};
static int
rua_init_finish (progs_t *pr)
{
pr_class_t **class_list, **class;
class_list = (pr_class_t **) Hash_GetList (pr->classes);
if (*class_list) {
pr_class_t *object_class;
pointer_t object_ptr;
object_class = Hash_Find (pr->classes, "Object");
if (object_class && !object_class->super_class)
object_ptr = (pr_type_t *)object_class - pr->pr_globals;
else
PR_Error (pr, "root class Object not found");
for (class = class_list; *class; class++)
finish_class (pr, *class, object_ptr);
}
free (class_list);
return 1;
}
static int
rua_init_runtime (progs_t *pr)
{
ddef_t *def;
int i;
if (!pr->selector_hash)
pr->selector_hash = Hash_NewTable (1021, selector_get_key, 0, pr);
else
Hash_FlushTable (pr->selector_hash);
pr->selector_index = 0;
for (i = 0; i < pr->selector_index_max; i++) {
obj_list_free (pr->selector_sels[i]);
pr->selector_sels[i] = 0;
pr->selector_names[i] = 0;
}
if (!pr->classes)
pr->classes = Hash_NewTable (1021, class_get_key, 0, pr);
else
Hash_FlushTable (pr->classes);
if (!pr->load_methods) {
pr->load_methods = Hash_NewTable (1021, 0, 0, pr);
Hash_SetHashCompare (pr->load_methods, load_methods_get_hash,
load_methods_compare);
} else {
Hash_FlushTable (pr->load_methods);
}
pr->unresolved_classes = 0;
pr->unclaimed_categories = 0;
pr->unclaimed_proto_list = 0;
pr->module_list = 0;
pr->class_tree_list = 0;
if ((def = PR_FindField (pr, ".this")))
pr->fields.this = def->ofs;
PR_AddLoadFinishFunc (pr, rua_init_finish);
return 1;
}
void
RUA_Obj_Init (progs_t *pr, int secure)
{
PR_RegisterBuiltins (pr, obj_methods);
PR_AddLoadFunc (pr, rua_init_runtime);
}
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