43 lines
1.3 KiB
C++
43 lines
1.3 KiB
C++
/** @file AAllocIterator.hpp
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*
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* @author Roland Conybeare, Dec 2025
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**/
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#pragma once
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#include "alloc/AllocInfo.hpp"
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#include "cmpresult.hpp"
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#include <xo/facet/obj.hpp>
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namespace xo {
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namespace mm {
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using Copaque = const void *;
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using Opaque = void *;
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/** forward decl for obj<AAllocIterator> **/
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struct ObjAllocIterator;
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/** @class AAllocIterator
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* @brief Abstract facet for iterating over allocs
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*
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* Iterator refers to an AllocInfo instance
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* Only supporting forward-allocator.
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**/
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struct AAllocIterator {
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using obj_AAllocIterator = xo::facet::obj<AAllocIterator>;
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/** RTTI: unique id# for actual runtime *data* representation **/
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virtual int32_t _typeseq() const noexcept = 0;
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/** retrieve AllocInfo for current iterator position
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**/
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virtual AllocInfo deref(Copaque d) const noexcept = 0;
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/** compare alloc iterators @p d and @p other **/
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virtual cmpresult compare(Copaque d,
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const obj_AAllocIterator & other) const noexcept = 0;
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/** advance iterator to next position **/
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virtual void next(Opaque d) const noexcept = 0;
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};
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} /*namespace mm*/
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} /*namespace xo*/
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/* end AllocIterator.hpp */
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