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- /***************************************************************************
- *
- * Copyright (c) 1998-1999 Niels M÷ller
- * Copyright (c) 1999 BalaBit Computing
- *
- * 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 the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- * $Id: xalloc.h,v 1.3 1999/07/10 13:23:09 bazsi Exp $
- *
- ***************************************************************************/
-
- #ifndef __XALLOC_H_INCLUDED
- #define __XALLOC_H_INCLUDED
-
- #define OL_ALLOC_HEAP 0
- #define OL_ALLOC_STATIC 1
- #define OL_ALLOC_STACK 2
-
- #define STATIC_HEADER { NULL, NULL, OL_ALLOC_STATIC, 0, 0 }
- #define STACK_HEADER { NULL, NULL, OL_ALLOC_STACK, 0, 0 }
-
- struct ol_object *ol_object_alloc(struct ol_class *class);
-
- void ol_object_free(struct ol_object *o);
-
- /* NOTE: This won't work for if there are strings or other instance
- * variables that can't be shared. */
- struct ol_object *ol_object_clone(struct ol_object *o);
-
- void *ol_space_alloc(size_t size);
- void ol_space_free(void *p);
-
- #ifdef DEBUG_ALLOC
-
- #define ol_free debug_free
- #define ol_malloc debug_malloc
-
- struct malloc_entry {
- void *ptr;
- int size;
- struct malloc_entry *next;
- };
-
- extern struct malloc_entry *first_malloc;
-
- void debug_free(void *p);
-
- struct ol_object *ol_object_check(struct ol_class *class,
- struct ol_object *instance);
- struct ol_object *ol_object_check_subtype(struct ol_class *class,
- struct ol_object *instance);
-
- #define CHECK_TYPE(c, i) \
- ol_object_check(&CLASS(c), (struct ol_object *) (i))
- #define CHECK_SUBTYPE(c, i) \
- ol_object_check_subtype(&CLASS(c), (struct ol_object *) (i))
-
- #define CAST(class, var, o) \
- struct class *(var) = (struct class *) CHECK_TYPE(class, o)
-
- #define CAST_SUBTYPE(class, var, o) \
- struct class *(var) = (struct class *) CHECK_SUBTYPE(class, o)
-
-
- #else /* !DEBUG_ALLOC */
-
- #define ol_free free
- #define ol_malloc malloc
-
-
- #define CHECK_TYPE(c, o)
- #define CHECK_SUBTYPE(c, o)
-
- #define CAST(class, var, o) \
- struct class *(var) = (struct class *) (o)
-
- #define CAST_SUBTYPE(class, var, o) CAST(class, var, o)
-
- #endif /* !DEBUG_ALLOC */
-
- #define NEW(class, var) \
- struct class *(var) = (struct class *) ol_object_alloc(&CLASS(class))
- #define NEW_SPACE(x) ((x) = ol_space_alloc(sizeof(*(x))))
-
- #define CLONE(class, i) \
- ((struct class *) ol_object_clone(CHECK_TYPE(class, (i))))
-
- #define CLONED(class, var, i) \
- struct class *(var) = CLONE(class, i)
-
- #define KILL(x) gc_kill((struct ol_object *) (x))
-
- void *xalloc(size_t size);
-
-
- #endif
-