708c137c3d
* NEW: Support for extern functions returning a C structure pointer. git-svn-id: svn://localhost/gambas/trunk@4257 867c0c6c-44f3-4631-809d-bfa615b0a4ec
101 lines
2.4 KiB
C
101 lines
2.4 KiB
C
/***************************************************************************
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gbx_struct.c
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(c) 2000-2011 Benoît Minisini <gambas@users.sourceforge.net>
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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_STRUCT_C
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#include "gbx_struct.h"
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void *CSTRUCT_create_static(void *ref, CLASS *class, char *addr)
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{
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CSTATICSTRUCT *object;
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ALLOC(&object, sizeof(CSTATICSTRUCT), "OBJECT_alloc");
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object->ob.class = class;
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object->ob.ref = 0;
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object->ref = ref;
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object->addr = addr;
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class->count++;
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if (ref != STRUCT_CONST)
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OBJECT_REF(ref, "CSTRUCT_create_static");
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//fprintf(stderr, "CSTRUCT_create_static: %s %p ref = %p addr = %p\n", class->name, object, ref, addr);
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return object;
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}
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int CSTRUCT_get_size(CLASS *class)
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{
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return class->size - sizeof(CSTRUCT);
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}
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void CSTRUCT_release(CSTRUCT *ob)
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{
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if (ob->ref != STRUCT_CONST)
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OBJECT_UNREF(ob->ref, "CSTRUCT_release");
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}
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#if 0
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BEGIN_PROPERTY(Struct_Size)
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GB_ReturnInteger(CLASS_sizeof(OBJECT_class(THIS)));
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END_PROPERTY
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BEGIN_METHOD(Struct_Read, GB_OBJECT stream)
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void *stream = VARG(stream);
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if (GB.CheckObject(stream))
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return;
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END_METHOD
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BEGIN_METHOD(Struct_write, GB_OBJECT stream)
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void *stream = VARG(stream);
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VALUE temp;
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if (GB.CheckObject(stream))
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return;
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temp._object.class = OBJECT_class(THIS);
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temp._object.class = THIS;
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STREAM_write_type(CSTREAM_stream(stream), T_OBJECT, &temp, 0);
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END_METHOD
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// Beware: if this declaration is modified, the CSTRUCT_NDESC constant must be modified accordingly.
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GB_DESC CSTRUCT_desc[CSTRUCT_NDESC] =
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{
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GB_PROPERTY_READ("Size", "i", Struct_Size),
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GB_METHOD("Read", NULL, Struct_Read, "(Stream)Stream;"),
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GB_METHOD("Write", NULL, Struct_Write, "(Stream)Stream;"),
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};
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#endif
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