/usr/include/libast/iterator_if.h is in libast2-dev 0.7-6ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (C) 1997-2004, Michael Jennings
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies of the Software, its documentation and marketing & publicity
* materials, and acknowledgment shall be given in the documentation, materials
* and software packages that this Software was used.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef _LIBAST_ITERATOR_IF_H_
#define _LIBAST_ITERATOR_IF_H_
/*
* interface goop
*/
/* Standard typecast macros.... */
#define SPIF_ITERATOR(o) (SPIF_CAST(iterator) (o))
#define SPIF_ITERATOR_CLASS(o) (SPIF_CAST(iteratorclass) SPIF_OBJ_CLASS(o))
/* Name of class variable associated with iterator interface */
#define SPIF_ITERATORCLASS_VAR(type) spif_ ## type ## _iteratorclass
/* Check if an iterator is NULL */
#define SPIF_ITERATOR_ISNULL(o) (SPIF_ITERATOR(o) == SPIF_NULL_TYPE(iterator))
/* Check if an object is an iterator */
#define SPIF_OBJ_IS_ITERATOR(o) SPIF_OBJ_IS_TYPE(o, iterator)
/* Call a method on an instance of an implementation class */
#define SPIF_ITERATOR_CALL_METHOD(o, meth) SPIF_ITERATOR_CLASS(o)->meth
/* Calls to the basic functions. */
#define SPIF_ITERATOR_NEW(type) SPIF_ITERATOR((SPIF_CLASS(SPIF_ITERATORCLASS_VAR(type)))->noo())
#define SPIF_ITERATOR_INIT(o) SPIF_OBJ_INIT(o)
#define SPIF_ITERATOR_DONE(o) SPIF_OBJ_DONE(o)
#define SPIF_ITERATOR_DEL(o) SPIF_OBJ_DEL(o)
#define SPIF_ITERATOR_SHOW(o, b, i) SPIF_OBJ_SHOW(o, b, i)
#define SPIF_ITERATOR_COMP(o1, o2) SPIF_OBJ_COMP(o1, o2)
#define SPIF_ITERATOR_DUP(o) SPIF_OBJ_DUP(o)
#define SPIF_ITERATOR_TYPE(o) SPIF_OBJ_TYPE(o)
#define SPIF_ITERATOR_HAS_NEXT(o) SPIF_CAST(bool) ((SPIF_ITERATOR_CALL_METHOD((o), has_next))(o))
#define SPIF_ITERATOR_NEXT(o) SPIF_CAST(obj) ((SPIF_ITERATOR_CALL_METHOD((o), next))(o))
typedef spif_obj_t spif_iterator_t;
SPIF_DECL_OBJ(iteratorclass) {
SPIF_DECL_PARENT_TYPE(class);
spif_func_t has_next;
spif_func_t next;
};
#endif /* _LIBAST_ITERATOR_IF_H_ */
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