mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-05 20:50:43 +00:00
acd54afff7
ranges can be used efficiently. move the auto-allocated builtins to 0x10000000-0x7fffffff. should be more than enough :) use static builtin tables ("nul" terminated) instead of a series of function calls to add builtins to a vm. should be more memory efficient.
1041 lines
27 KiB
C
1041 lines
27 KiB
C
/*
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pr_obj.c
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Progs Obj runtime support
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Copyright (C) 2001 Bill Currie
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Author: Bill Currie <bill@taniwha.org>
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Date: 2002/7/21
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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static __attribute__ ((unused)) const char rcsid[] =
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"$Id$";
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#ifdef HAVE_STRING_H
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# include <string.h>
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#endif
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#ifdef HAVE_STRINGS_H
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# include <strings.h>
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#endif
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#include "QF/cvar.h"
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#include "QF/dstring.h"
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#include "QF/hash.h"
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#include "QF/pr_obj.h"
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#include "QF/progs.h"
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#include "QF/sys.h"
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#include "compat.h"
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static void
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call_function (progs_t *pr, func_t func)
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{
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dfunction_t *f;
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if (!func)
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PR_RunError (pr, "NULL function");
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f = pr->pr_functions + func;
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if (f->first_statement < 0) {
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// negative statements are built in functions
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((bfunction_t *) f)->func (pr);
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} else {
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PR_EnterFunction (pr, f);
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}
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}
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static const char *
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selector_get_key (void *s, void *pr)
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{
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return PR_GetString ((progs_t *)pr, ((pr_sel_t *)s)->sel_id);
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}
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static const char *
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class_get_key (void *c, void *pr)
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{
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return PR_GetString ((progs_t *)pr, ((pr_class_t *)c)->name);
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}
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static unsigned long
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category_get_hash (void *_c, void *_pr)
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{
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progs_t *pr = (progs_t *) _pr;
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pr_category_t *cat = (pr_category_t *) _c;
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const char *category_name = PR_GetString (pr, cat->category_name);
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const char *class_name = PR_GetString (pr, cat->class_name);
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return Hash_String (category_name) ^ Hash_String (class_name);
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}
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static int
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category_compare (void *_c1, void *_c2, void *_pr)
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{
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progs_t *pr = (progs_t *) _pr;
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pr_category_t *c1 = (pr_category_t *) _c1;
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pr_category_t *c2 = (pr_category_t *) _c2;
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const char *cat1 = PR_GetString (pr, c1->category_name);
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const char *cat2 = PR_GetString (pr, c2->category_name);
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const char *cls1 = PR_GetString (pr, c1->class_name);
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const char *cls2 = PR_GetString (pr, c2->class_name);
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return strcmp (cat1, cat2) == 0 && strcmp (cls1, cls2) == 0;
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}
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static void
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dump_ivars (progs_t *pr, pointer_t _ivars)
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{
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pr_ivar_list_t *ivars;
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int i;
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if (!_ivars)
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return;
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ivars = &G_STRUCT (pr, pr_ivar_list_t, _ivars);
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for (i = 0; i < ivars->ivar_count; i++) {
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Sys_Printf (" %s %s %d\n",
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PR_GetString (pr, ivars->ivar_list[i].ivar_name),
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PR_GetString (pr, ivars->ivar_list[i].ivar_type),
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ivars->ivar_list[i].ivar_offset);
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}
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}
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static int
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object_is_instance (progs_t *pr, pr_id_t *object)
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{
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pr_class_t *class;
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if (object) {
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class = &G_STRUCT (pr, pr_class_t, object->class_pointer);
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return PR_CLS_ISCLASS (class);
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}
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return 0;
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}
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static string_t
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object_get_class_name (progs_t *pr, pr_id_t *object)
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{
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pr_class_t *class;
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if (object) {
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class = &G_STRUCT (pr, pr_class_t, object->class_pointer);
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if (PR_CLS_ISCLASS (class)) {
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R_INT (pr) = class->name;
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return class->name;
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}
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if (PR_CLS_ISMETA (class)) {
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R_INT (pr) = ((pr_class_t *)object)->name;
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return ((pr_class_t *)object)->name;
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}
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}
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return PR_SetString (pr, "Nil");
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}
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//====================================================================
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static void
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finish_class (progs_t *pr, pr_class_t *class, pointer_t object_ptr)
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{
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pr_class_t *meta = &G_STRUCT (pr, pr_class_t, class->class_pointer);
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pr_class_t *val;
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meta->class_pointer = object_ptr;
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if (class->super_class) {
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const char *super_class = PR_GetString (pr, class->super_class);
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const char *class_name = PR_GetString (pr, class->name);
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val = Hash_Find (pr->classes, super_class);
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if (!val)
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PR_Error (pr, "broken class %s: super class %s not found",
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class_name, super_class);
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meta->super_class = val->class_pointer;
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class->super_class = POINTER_TO_PROG (pr, val);
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} else {
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pointer_t *ml = &meta->methods;
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while (*ml)
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ml = &G_STRUCT (pr, pr_method_list_t, *ml).method_next;
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*ml = class->methods;
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}
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Sys_DPrintf (" %d %d %d\n", meta->class_pointer, meta->super_class,
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class->super_class);
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}
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static void
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finish_category (progs_t *pr, pr_category_t *category)
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{
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const char *class_name = PR_GetString (pr, category->class_name);
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const char *category_name = PR_GetString (pr, category->category_name);
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pr_class_t *class = Hash_Find (pr->classes, class_name);
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pr_method_list_t *method_list;
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if (!class)
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PR_Error (pr, "broken category %s (%s): class %s not found",
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class_name, category_name, class_name);
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if (category->instance_methods) {
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method_list = &G_STRUCT (pr, pr_method_list_t,
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category->instance_methods);
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method_list->method_next = class->methods;
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class->methods = category->instance_methods;
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}
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if (category->class_methods) {
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pr_class_t *meta = &G_STRUCT (pr, pr_class_t, class->class_pointer);
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method_list = &G_STRUCT (pr, pr_method_list_t,
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category->class_methods);
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method_list->method_next = meta->methods;
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meta->methods = category->class_methods;
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}
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}
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static void
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pr___obj_exec_class (progs_t *pr)
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{
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pr_module_t *module = &P_STRUCT (pr, pr_module_t, 0);
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pr_symtab_t *symtab;
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pr_sel_t *sel;
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pointer_t *ptr;
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int i;
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//int d = developer->int_val;
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if (!module)
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return;
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//developer->int_val = 1;
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symtab = &G_STRUCT (pr, pr_symtab_t, module->symtab);
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if (!symtab)
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return;
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Sys_DPrintf ("Initializing %s module\n"
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"symtab @ %d : %d selector%s, %d class%s and %d categor%s\n",
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PR_GetString (pr, module->name), module->symtab,
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symtab->sel_ref_cnt, symtab->sel_ref_cnt == 1 ? "" : "s",
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symtab->cls_def_cnt, symtab->cls_def_cnt == 1 ? "" : "es",
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symtab->cat_def_cnt, symtab->cat_def_cnt == 1 ? "y" : "ies");
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sel = &G_STRUCT (pr, pr_sel_t, symtab->refs);
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for (i = 0; i < symtab->sel_ref_cnt; i++) {
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Sys_DPrintf (" %s\n", PR_GetString (pr, sel->sel_id));
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Hash_Add (pr->selectors, sel);
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sel++;
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}
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ptr = symtab->defs;
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for (i = 0; i < symtab->cls_def_cnt; i++) {
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pr_class_t *class = &G_STRUCT (pr, pr_class_t, *ptr);
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pr_class_t *meta = &G_STRUCT (pr, pr_class_t, class->class_pointer);
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Sys_DPrintf ("Class %s @ %d\n", PR_GetString (pr, class->name), *ptr);
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Sys_DPrintf (" class pointer: %d\n", class->class_pointer);
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Sys_DPrintf (" super class: %s\n",
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PR_GetString (pr, class->super_class));
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Sys_DPrintf (" instance variables: %d @ %d\n", class->instance_size,
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class->ivars);
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if (developer->int_val)
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dump_ivars (pr, class->ivars);
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Sys_DPrintf (" instance methods: %d\n", class->methods);
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Sys_DPrintf (" protocols: %d\n", class->protocols);
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Sys_DPrintf (" class methods: %d\n", meta->methods);
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Sys_DPrintf (" instance variables: %d @ %d\n", meta->instance_size,
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meta->ivars);
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if (developer->int_val)
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dump_ivars (pr, meta->ivars);
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Hash_Add (pr->classes, class);
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ptr++;
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}
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for (i = 0; i < symtab->cat_def_cnt; i++) {
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pr_category_t *category = &G_STRUCT (pr, pr_category_t, *ptr);
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Sys_DPrintf ("Category %s (%s) @ %d\n",
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PR_GetString (pr, category->class_name),
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PR_GetString (pr, category->category_name), *ptr);
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Sys_DPrintf (" instance methods: %d\n", category->instance_methods);
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Sys_DPrintf (" class methods: %d\n", category->class_methods);
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Sys_DPrintf (" protocols: %d\n", category->protocols);
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Hash_AddElement (pr->categories, category);
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ptr++;
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}
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//developer->int_val = d;
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}
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//====================================================================
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static pr_method_t *
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obj_find_message (progs_t *pr, pr_class_t *class, pr_sel_t *selector)
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{
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pr_class_t *c = class;
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pr_method_list_t *method_list;
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pr_method_t *method;
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int i;
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while (c) {
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method_list = &G_STRUCT (pr, pr_method_list_t, c->methods);
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while (method_list) {
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for (i = 0, method = method_list->method_list;
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i < method_list->method_count; i++, method++) {
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if (method->method_name.sel_id == selector->sel_id)
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return method;
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}
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method_list = &G_STRUCT (pr, pr_method_list_t,
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method_list->method_next);
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}
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c = c->super_class ? &G_STRUCT (pr, pr_class_t, c->super_class) : 0;
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}
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return 0;
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}
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static pr_method_t *
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obj_msg_lookup (progs_t *pr, pr_id_t *receiver, pr_sel_t *op)
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{
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pr_class_t *class;
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if (!receiver)
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return 0;
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class = &G_STRUCT (pr, pr_class_t, receiver->class_pointer);
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return obj_find_message (pr, class, op);
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}
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static pr_method_t *
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obj_msg_lookup_super (progs_t *pr, pr_super_t *super, pr_sel_t *op)
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{
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pr_class_t *class;
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if (!super->self)
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return 0;
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class = &G_STRUCT (pr, pr_class_t, super->class);
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return obj_find_message (pr, class, op);
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}
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static void
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obj_verror (progs_t *pr, pr_id_t *object, int code, const char *fmt, int count,
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pr_type_t *args)
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{
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pr_type_t **arglist = (pr_type_t **) alloca (count * sizeof (pr_type_t *));
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dstring_t *dstr = dstring_newstr ();
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int i;
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for (i = 0; i < count; i++)
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arglist[i] = args + i * 3;
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PR_Sprintf (pr, dstr, "obj_verror", fmt, count, arglist);
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PR_RunError (pr, "%s", dstr->str);
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}
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static void
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pr_obj_error (progs_t *pr)
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{
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pr_id_t *object = &P_STRUCT (pr, pr_id_t, 0);
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int code = P_INT (pr, 1);
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const char *fmt = P_GSTRING (pr, 2);
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int count = pr->pr_argc - 3;
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pr_type_t *args = pr->pr_params[3];
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obj_verror (pr, object, code, fmt, count, args);
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}
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static void
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pr_obj_verror (progs_t *pr)
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{
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pr_id_t *object = &P_STRUCT (pr, pr_id_t, 0);
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int code = P_INT (pr, 1);
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const char *fmt = P_GSTRING (pr, 2);
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pr_va_list_t *val = (pr_va_list_t *) pr->pr_params[3];
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obj_verror (pr, object, code, fmt, val->count,
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&G_STRUCT (pr, pr_type_t, val->list));
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}
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static void
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pr_obj_set_error_handler (progs_t *pr)
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{
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//func_t func = P_INT (pr, 0);
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//arglist
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//XXX
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PR_RunError (pr, "%s, not implemented", __FUNCTION__);
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}
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static void
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pr_obj_msg_lookup (progs_t *pr)
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{
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pr_id_t *receiver = &P_STRUCT (pr, pr_id_t, 0);
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pr_sel_t *op = &P_STRUCT (pr, pr_sel_t, 1);
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pr_method_t *method = obj_msg_lookup (pr, receiver, op);
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R_INT (pr) = method ? method->method_imp : 0;
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}
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static void
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pr_obj_msg_lookup_super (progs_t *pr)
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{
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pr_super_t *super = &P_STRUCT (pr, pr_super_t, 0);
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pr_sel_t *_cmd = &P_STRUCT (pr, pr_sel_t, 1);
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pr_method_t *method = obj_msg_lookup_super (pr, super, _cmd);
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R_INT (pr) = method ? method->method_imp : 0;
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}
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static void
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pr_obj_msg_sendv (progs_t *pr)
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{
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pr_id_t *receiver = &P_STRUCT (pr, pr_id_t, 0);
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pr_sel_t *op = &P_STRUCT (pr, pr_sel_t, 1);
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pr_va_list_t args = P_STRUCT (pr, pr_va_list_t, 2);
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pr_method_t *method = obj_msg_lookup (pr, receiver, op);
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if (!method)
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PR_RunError (pr, "%s does not respond to %s",
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PR_GetString (pr, object_get_class_name (pr, receiver)),
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PR_GetString (pr, op->sel_id));
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if (args.count > 6)
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args.count = 6;
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memcpy (pr->pr_params[2], G_GPOINTER (pr, args.list),
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args.count * 4 * pr->pr_param_size);
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call_function (pr, method->method_imp);
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}
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static void
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pr_obj_malloc (progs_t *pr)
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{
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int size = P_INT (pr, 0) * sizeof (pr_type_t);
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void *mem = PR_Zone_Malloc (pr, size);
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R_INT (pr) = POINTER_TO_PROG (pr, mem);
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}
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static void
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pr_obj_atomic_malloc (progs_t *pr)
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{
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int size = P_INT (pr, 0) * sizeof (pr_type_t);
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void *mem = PR_Zone_Malloc (pr, size);
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R_INT (pr) = POINTER_TO_PROG (pr, mem);
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}
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static void
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pr_obj_valloc (progs_t *pr)
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{
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int size = P_INT (pr, 0) * sizeof (pr_type_t);
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void *mem = PR_Zone_Malloc (pr, size);
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R_INT (pr) = POINTER_TO_PROG (pr, mem);
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}
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static void
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pr_obj_realloc (progs_t *pr)
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{
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void *mem = (void*)P_GPOINTER (pr, 0);
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int size = P_INT (pr, 1) * sizeof (pr_type_t);
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mem = PR_Zone_Realloc (pr, mem, size);
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R_INT (pr) = POINTER_TO_PROG (pr, mem);
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}
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static void
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pr_obj_calloc (progs_t *pr)
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{
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int size = P_INT (pr, 0) * sizeof (pr_type_t);
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void *mem = PR_Zone_Malloc (pr, size);
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memset (mem, 0, size);
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R_INT (pr) = POINTER_TO_PROG (pr, mem);
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}
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static void
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pr_obj_free (progs_t *pr)
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{
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void *mem = (void*)P_GPOINTER (pr, 0);
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PR_Zone_Free (pr, mem);
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}
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static void
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pr_obj_get_uninstalled_dtable (progs_t *pr)
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{
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//XXX
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PR_RunError (pr, "%s, not implemented", __FUNCTION__);
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}
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static void
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pr_obj_msgSend (progs_t *pr)
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{
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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
|
|
pr_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
|
|
pr_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
|
|
pr_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
|
|
pr_obj_next_class (progs_t *pr)
|
|
{
|
|
//XXX
|
|
PR_RunError (pr, "%s, not implemented", __FUNCTION__);
|
|
}
|
|
|
|
//====================================================================
|
|
|
|
static void
|
|
pr_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
|
|
pr_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
|
|
pr_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
|
|
pr_sel_register_name (progs_t *pr)
|
|
{
|
|
//const char *name = P_GSTRING (pr, 0);
|
|
//XXX
|
|
PR_RunError (pr, "%s, not implemented", __FUNCTION__);
|
|
}
|
|
|
|
static void
|
|
pr_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
|
|
pr_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
|
|
pr_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
|
|
pr_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
|
|
pr_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
|
|
pr_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
|
|
pr_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
|
|
pr_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
|
|
pr_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
|
|
pr_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
|
|
pr_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
|
|
pr_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
|
|
pr_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
|
|
pr_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
|
|
pr_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
|
|
pr_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
|
|
pr_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
|
|
pr_object_dispose (progs_t *pr)
|
|
{
|
|
pr_id_t *object = &P_STRUCT (pr, pr_id_t, 0);
|
|
PR_Zone_Free (pr, object);
|
|
}
|
|
|
|
static void
|
|
pr_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
|
|
pr_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
|
|
pr_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
|
|
pr_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
|
|
pr_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
|
|
pr_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
|
|
pr_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
|
|
pr_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
|
|
pr__i_Object__hash (progs_t *pr)
|
|
{
|
|
R_INT (pr) = P_INT (pr, 0);
|
|
}
|
|
|
|
static void
|
|
pr__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
|
|
pr__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", pr___obj_exec_class, -1},
|
|
|
|
{"obj_error", pr_obj_error, -1},
|
|
{"obj_verror", pr_obj_verror, -1},
|
|
{"obj_set_error_handler", pr_obj_set_error_handler, -1},
|
|
{"obj_msg_lookup", pr_obj_msg_lookup, -1},
|
|
{"obj_msg_lookup_super", pr_obj_msg_lookup_super, -1},
|
|
{"obj_msg_sendv", pr_obj_msg_sendv, -1},
|
|
{"obj_malloc", pr_obj_malloc, -1},
|
|
{"obj_atomic_malloc", pr_obj_atomic_malloc, -1},
|
|
{"obj_valloc", pr_obj_valloc, -1},
|
|
{"obj_realloc", pr_obj_realloc, -1},
|
|
{"obj_calloc", pr_obj_calloc, -1},
|
|
{"obj_free", pr_obj_free, -1},
|
|
{"obj_get_uninstalled_dtable", pr_obj_get_uninstalled_dtable, -1},
|
|
{"obj_msgSend", pr_obj_msgSend, -1},
|
|
{"obj_msgSend_super", pr_obj_msgSend_super, -1},
|
|
|
|
{"obj_get_class", pr_obj_get_class, -1},
|
|
{"obj_lookup_class", pr_obj_lookup_class, -1},
|
|
{"obj_next_class", pr_obj_next_class, -1},
|
|
|
|
{"sel_get_name", pr_sel_get_name, -1},
|
|
{"sel_get_type", pr_sel_get_type, -1},
|
|
{"sel_get_uid", pr_sel_get_uid, -1},
|
|
{"sel_register_name", pr_sel_register_name, -1},
|
|
{"sel_is_mapped", pr_sel_is_mapped, -1},
|
|
|
|
{"class_get_class_method", pr_class_get_class_method, -1},
|
|
{"class_get_instance_method", pr_class_get_instance_method, -1},
|
|
{"class_pose_as", pr_class_pose_as, -1},
|
|
{"class_create_instance", pr_class_create_instance, -1},
|
|
{"class_get_class_name", pr_class_get_class_name, -1},
|
|
{"class_get_instance_size", pr_class_get_instance_size, -1},
|
|
{"class_get_meta_class", pr_class_get_meta_class, -1},
|
|
{"class_get_super_class", pr_class_get_super_class, -1},
|
|
{"class_get_version", pr_class_get_version, -1},
|
|
{"class_is_class", pr_class_is_class, -1},
|
|
{"class_is_meta_class", pr_class_is_meta_class, -1},
|
|
{"class_set_version", pr_class_set_version, -1},
|
|
{"class_get_gc_object_type", pr_class_get_gc_object_type, -1},
|
|
{"class_ivar_set_gcinvisible", pr_class_ivar_set_gcinvisible, -1},
|
|
|
|
{"method_get_imp", pr_method_get_imp, -1},
|
|
{"get_imp", pr_get_imp, -1},
|
|
|
|
{"object_copy", pr_object_copy, -1},
|
|
{"object_dispose", pr_object_dispose, -1},
|
|
{"object_get_class", pr_object_get_class, -1},
|
|
{"object_get_class_name", pr_object_get_class_name, -1},
|
|
{"object_get_meta_class", pr_object_get_meta_class, -1},
|
|
{"object_get_super_class", pr_object_get_super_class, -1},
|
|
{"object_is_class", pr_object_is_class, -1},
|
|
{"object_is_instance", pr_object_is_instance, -1},
|
|
{"object_is_meta_class", pr_object_is_meta_class, -1},
|
|
|
|
{"_i_Object__hash", pr__i_Object__hash, -1},
|
|
{"_i_Object_error_error_", pr__i_Object_error_error_, -1},
|
|
{"_c_Object__conformsToProtocol_", pr__c_Object__conformsToProtocol_, -1},
|
|
{0}
|
|
};
|
|
|
|
void
|
|
PR_Obj_Progs_Init (progs_t *pr)
|
|
{
|
|
PR_RegisterBuiltins (pr, obj_methods);
|
|
}
|
|
|
|
int
|
|
PR_InitRuntime (progs_t *pr)
|
|
{
|
|
int fnum;
|
|
pr_class_t **class_list, **class;
|
|
pr_category_t **category_list, **category;
|
|
|
|
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");
|
|
for (fnum = 0; fnum < pr->progs->numfunctions; fnum++) {
|
|
if (strequal (PR_GetString (pr, pr->pr_functions[fnum].s_name),
|
|
".ctor")) {
|
|
PR_ExecuteProgram (pr, fnum);
|
|
}
|
|
}
|
|
|
|
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;
|
|
}
|