31929e1e44
[INTERPRETER] * NEW: Overriding public variables was useless, and is now forbidden to help JIT compiler optimizations. [GB.JIT] * BUG: Correctly compile dynamic accesses to public constants.
148 lines
3.2 KiB
C
148 lines
3.2 KiB
C
/***************************************************************************
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gbx_c_observer.c
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(c) 2000-2017 Benoît Minisini <g4mba5@gmail.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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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. See the
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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 the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, USA.
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***************************************************************************/
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#define __GBX_C_OBSERVER_C
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#include "gbx_info.h"
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#ifndef GBX_INFO
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#include "gbx_exec.h"
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#include "gbx_api.h"
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#include "gbx_event.h"
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#include "gbx_c_observer.h"
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//#define DEBUG_ME 1
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void COBSERVER_lock(COBSERVER *this, bool lock)
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{
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if (lock)
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this->locked++;
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else
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this->locked--;
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}
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void COBSERVER_attach(COBSERVER *this, void *parent, const char *name)
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{
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#if DEBUG_ME
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fprintf(stderr, "COBSERVER_attach: %p: %s %p\n", this, parent ? OBJECT_class(parent)->name : "", parent);
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#endif
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if (this->event)
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EVENT_search(OBJECT_class(this->object), this->event, name, parent);
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}
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void COBSERVER_detach(COBSERVER *this)
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{
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#if DEBUG_ME
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fprintf(stderr, "COBSERVER_detach: %p\n", this);
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#endif
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if (this->event)
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FREE(&this->event);
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}
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BEGIN_METHOD(Observer_new, GB_OBJECT object; GB_BOOLEAN after)
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OBJECT *object;
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OBJECT_EVENT *ev;
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char *name;
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CLASS *class;
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void *parent;
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object = (OBJECT *)VARG(object);
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if (GB_CheckObject(object))
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return;
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parent = OBJECT_parent(THIS);
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if (!parent)
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return;
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class = OBJECT_class(object);
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if (class->n_event == 0)
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return;
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name = EVENT_Name;
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if (!name || !*name)
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return;
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#if DEBUG_ME
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fprintf(stderr, "Observer_new: %p %d %s (%s %p)\n", THIS, OBJECT_class(object)->n_event, name, GB_GetClassName(parent), parent);
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#endif
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ev = OBJECT_event(object);
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THIS->after = VARGOPT(after, FALSE);
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ALLOC_ZERO(&THIS->event, sizeof(ushort) * class->n_event);
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THIS->object = object;
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OBJECT_attach((OBJECT *)THIS, parent, name);
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COBSERVER_attach(THIS, parent, name);
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LIST_insert((void **)&ev->observer, THIS, &THIS->list);
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OBJECT_REF(THIS);
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END_METHOD
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BEGIN_METHOD_VOID(Observer_free)
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#if DEBUG_ME
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fprintf(stderr, "Observer_free: %p\n", THIS);
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#endif
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GB_StoreVariant(NULL, &THIS->tag);
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COBSERVER_detach(THIS);
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END_METHOD
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BEGIN_PROPERTY(Observer_Object)
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GB_ReturnObject(THIS->object);
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END_PROPERTY
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BEGIN_PROPERTY(Observer_Tag)
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if (READ_PROPERTY)
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GB_ReturnVariant(&THIS->tag);
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else
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GB_StoreVariant(PROP(GB_VARIANT), &THIS->tag);
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END_PROPERTY
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#endif
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GB_DESC NATIVE_Observer[] =
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{
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GB_DECLARE("Observer", sizeof(COBSERVER)),
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GB_METHOD("_new", NULL, Observer_new, "(Object)o[(After)b]"),
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GB_METHOD("_free", NULL, Observer_free, NULL),
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GB_PROPERTY_READ("Object", "o", Observer_Object),
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GB_PROPERTY("Tag", "v", Observer_Tag),
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GB_END_DECLARE
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};
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