Roland Conybeare
ec639ebb4b
Helps streamline DX1Collector in xo-gc/. Want both forward and verify entry points for the same representation.
51 lines
1.3 KiB
C++
51 lines
1.3 KiB
C++
/** @file VisitReason.hpp
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*
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* @author Roland Conybeare, Apr 2026
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**/
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#pragma once
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namespace xo {
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namespace mm {
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/** @brief tag when navigating object graph
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*
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* Used with
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* @ref DX1Collector::visit_child
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* @ref GCObject::visit_gco_children
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**/
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class VisitReason {
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public:
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enum class code {
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invalid = -1,
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/** color not needed **/
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unspecified,
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/** Forward child pointers inplace for GC.
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* See @ref GCObjectStore::forward_inplace_aux
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**/
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forward,
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/** verify GC store consistency
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* See @ref DX1Collector::_verify_aux
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**/
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verify,
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N,
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};
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explicit VisitReason(code x) : code_{x} {}
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static VisitReason unspecified() { return VisitReason(code::unspecified); }
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static VisitReason forward() { return VisitReason(code::forward); }
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static VisitReason verify() { return VisitReason(code::verify); }
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code code() const noexcept { return code_; }
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enum code code_;
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};
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} /*namespace mm*/
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} /*namespace xo*/
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/* end VisitReason.hpp */
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