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quakeforge/libs/ruamoko/rua_obj.c
Bill Currie 249aee2e9f move the OO runtime support code from libQFgamecode to libQFruamoko where 
it really belongs :)
2004-01-16 08:02:31 +00:00

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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__ ((unused)) const char rcsid[] =
"$Id$";
#ifdef HAVE_STRING_H
# include <string.h>
#endif
#ifdef HAVE_STRINGS_H
# include <strings.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"
static void
call_function (progs_t *pr, func_t func)
{
dfunction_t *f;
if (!func)
PR_RunError (pr, "NULL function");
f = pr->pr_functions + func;
if (f->first_statement < 0) {
// negative statements are built in functions
((bfunction_t *) f)->func (pr);
} else {
PR_EnterFunction (pr, f);
}
}
static const char *
selector_get_key (void *s, void *pr)
{
return PR_GetString ((progs_t *)pr, ((pr_sel_t *)s)->sel_id);
}
static const char *
class_get_key (void *c, void *pr)
{
return PR_GetString ((progs_t *)pr, ((pr_class_t *)c)->name);
}
static unsigned long
category_get_hash (void *_c, void *_pr)
{
progs_t *pr = (progs_t *) _pr;
pr_category_t *cat = (pr_category_t *) _c;
const char *category_name = PR_GetString (pr, cat->category_name);
const char *class_name = PR_GetString (pr, cat->class_name);
return Hash_String (category_name) ^ Hash_String (class_name);
}
static int
category_compare (void *_c1, void *_c2, void *_pr)
{
progs_t *pr = (progs_t *) _pr;
pr_category_t *c1 = (pr_category_t *) _c1;
pr_category_t *c2 = (pr_category_t *) _c2;
const char *cat1 = PR_GetString (pr, c1->category_name);
const char *cat2 = PR_GetString (pr, c2->category_name);
const char *cls1 = PR_GetString (pr, c1->class_name);
const char *cls2 = PR_GetString (pr, c2->class_name);
return strcmp (cat1, cat2) == 0 && strcmp (cls1, cls2) == 0;
}
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 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 = POINTER_TO_PROG (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_DPrintf (" %d %d %d\n", meta->class_pointer, meta->super_class,
class->super_class);
}
static void
finish_category (progs_t *pr, pr_category_t *category)
{
const char *class_name = PR_GetString (pr, category->class_name);
const char *category_name = PR_GetString (pr, category->category_name);
pr_class_t *class = Hash_Find (pr->classes, class_name);
pr_method_list_t *method_list;
if (!class)
PR_Error (pr, "broken category %s (%s): class %s not found",
class_name, category_name, class_name);
if (category->instance_methods) {
method_list = &G_STRUCT (pr, pr_method_list_t,
category->instance_methods);
method_list->method_next = class->methods;
class->methods = category->instance_methods;
}
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);
method_list->method_next = meta->methods;
meta->methods = category->class_methods;
}
}
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;
//int d = developer->int_val;
if (!module)
return;
//developer->int_val = 1;
symtab = &G_STRUCT (pr, pr_symtab_t, module->symtab);
if (!symtab)
return;
Sys_DPrintf ("Initializing %s module\n"
"symtab @ %d : %d selector%s, %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->cls_def_cnt, symtab->cls_def_cnt == 1 ? "" : "es",
symtab->cat_def_cnt, symtab->cat_def_cnt == 1 ? "y" : "ies");
sel = &G_STRUCT (pr, pr_sel_t, symtab->refs);
for (i = 0; i < symtab->sel_ref_cnt; i++) {
Sys_DPrintf (" %s\n", PR_GetString (pr, sel->sel_id));
Hash_Add (pr->selectors, sel);
sel++;
}
ptr = symtab->defs;
for (i = 0; i < symtab->cls_def_cnt; i++) {
pr_class_t *class = &G_STRUCT (pr, pr_class_t, *ptr);
pr_class_t *meta = &G_STRUCT (pr, pr_class_t, class->class_pointer);
Sys_DPrintf ("Class %s @ %d\n", PR_GetString (pr, class->name), *ptr);
Sys_DPrintf (" class pointer: %d\n", class->class_pointer);
Sys_DPrintf (" super class: %s\n",
PR_GetString (pr, class->super_class));
Sys_DPrintf (" instance variables: %d @ %d\n", class->instance_size,
class->ivars);
if (developer->int_val)
dump_ivars (pr, class->ivars);
Sys_DPrintf (" instance methods: %d\n", class->methods);
Sys_DPrintf (" protocols: %d\n", class->protocols);
Sys_DPrintf (" class methods: %d\n", meta->methods);
Sys_DPrintf (" instance variables: %d @ %d\n", meta->instance_size,
meta->ivars);
if (developer->int_val)
dump_ivars (pr, meta->ivars);
Hash_Add (pr->classes, class);
ptr++;
}
for (i = 0; i < symtab->cat_def_cnt; i++) {
pr_category_t *category = &G_STRUCT (pr, pr_category_t, *ptr);
Sys_DPrintf ("Category %s (%s) @ %d\n",
PR_GetString (pr, category->class_name),
PR_GetString (pr, category->category_name), *ptr);
Sys_DPrintf (" instance methods: %d\n", category->instance_methods);
Sys_DPrintf (" class methods: %d\n", category->class_methods);
Sys_DPrintf (" protocols: %d\n", category->protocols);
Hash_AddElement (pr->categories, category);
ptr++;
}
//developer->int_val = d;
}
//====================================================================
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;
int i;
while (c) {
method_list = &G_STRUCT (pr, pr_method_list_t, c->methods);
while (method_list) {
for (i = 0, method = method_list->method_list;
i < method_list->method_count; i++, method++) {
if (method->method_name.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 pr_method_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);
return obj_find_message (pr, class, op);
}
static pr_method_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 obj_find_message (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
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);
pr_method_t *method = obj_msg_lookup (pr, receiver, op);
R_INT (pr) = method ? method->method_imp : 0;
}
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);
pr_method_t *method = obj_msg_lookup_super (pr, super, _cmd);
R_INT (pr) = method ? method->method_imp : 0;
}
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 = P_STRUCT (pr, pr_va_list_t, 2);
pr_method_t *method = obj_msg_lookup (pr, receiver, op);
if (!method)
PR_RunError (pr, "%s does not respond to %s",
PR_GetString (pr, object_get_class_name (pr, receiver)),
PR_GetString (pr, op->sel_id));
if (args.count > 6)
args.count = 6;
memcpy (pr->pr_params[2], G_GPOINTER (pr, args.list),
args.count * 4 * pr->pr_param_size);
call_function (pr, method->method_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);
R_INT (pr) = POINTER_TO_PROG (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);
R_INT (pr) = POINTER_TO_PROG (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);
R_INT (pr) = POINTER_TO_PROG (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);
R_INT (pr) = POINTER_TO_PROG (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);
R_INT (pr) = POINTER_TO_PROG (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);
pr_method_t *method;
if (!self) {
R_INT (pr) = R_INT (pr);
return;
}
if (!_cmd)
PR_RunError (pr, "null selector");
method = obj_msg_lookup (pr, self, _cmd);
if (!method)
PR_RunError (pr, "%s does not respond to %s",
PR_GetString (pr, object_get_class_name (pr, self)),
PR_GetString (pr, _cmd->sel_id));
call_function (pr, method->method_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);
pr_method_t *method;
method = obj_msg_lookup_super (pr, super, _cmd);
if (!method) {
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, _cmd->sel_id));
}
P_POINTER (pr, 0) = super->self;
call_function (pr, method->method_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);
R_INT (pr) = POINTER_TO_PROG (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);
R_INT (pr) = POINTER_TO_PROG (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);
R_INT (pr) = sel->sel_id;
}
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);
pr_sel_t *sel = Hash_Find (pr->selectors, name);
RETURN_POINTER (pr, sel);
}
static void
rua_sel_register_name (progs_t *pr)
{
//const char *name = P_GSTRING (pr, 0);
//XXX
PR_RunError (pr, "%s, not implemented", __FUNCTION__);
}
static void
rua_sel_is_mapped (progs_t *pr)
{
//pr_sel_t *sel = &P_STRUCT (pr, pr_sel_t, 0);
//XXX
PR_RunError (pr, "%s, not implemented", __FUNCTION__);
}
//====================================================================
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 = POINTER_TO_PROG (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);
R_INT (pr) = POINTER_TO_PROG (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);
//XXX
PR_RunError (pr, "%s, not implemented", __FUNCTION__);
}
//====================================================================
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);
R_INT (pr) = POINTER_TO_PROG (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)) {
R_INT (pr) = POINTER_TO_PROG (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);
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;
}
if (PR_CLS_ISMETA (class)) {
R_INT (pr) = ((pr_class_t *)object)->name;
return;
}
}
RETURN_STRING (pr, "Nil");
}
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;
pr_category_t **category_list, **category;
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);
category_list = (pr_category_t **) Hash_GetList (pr->categories);
if (*category_list) {
for (category = category_list; *category; category++)
finish_category (pr, *category);
}
free (category_list);
return 1;
}
static int
rua_init_runtime (progs_t *pr)
{
if (!pr->selectors)
pr->selectors = Hash_NewTable (1021, selector_get_key, 0, pr);
else
Hash_FlushTable (pr->selectors);
if (!pr->classes)
pr->classes = Hash_NewTable (1021, class_get_key, 0, pr);
else
Hash_FlushTable (pr->classes);
if (!pr->categories) {
pr->categories = Hash_NewTable (1021, 0, 0, pr);
Hash_SetHashCompare (pr->categories,
category_get_hash, category_compare);
} else {
Hash_FlushTable (pr->categories);
}
pr->fields.this = ED_GetFieldIndex (pr, ".this");
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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