58 lines
2.1 KiB
C++
58 lines
2.1 KiB
C++
/** @file ICollector_Any.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 "ACollector.hpp"
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#include "AGCObject.hpp"
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//#include <cassert>
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namespace xo {
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namespace mm { struct ICollector_Any; }
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namespace facet {
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template <>
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struct FacetImplementation<xo::mm::ACollector, DVariantPlaceholder> {
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using ImplType = xo::mm::ICollector_Any;
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};
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}
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namespace mm {
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/** @class ICollector_Any
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* @brief Stub Collector Implementation for empty variant instance
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**/
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struct ICollector_Any : public ACollector {
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using typeseq = xo::facet::typeseq;
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using size_type = std::size_t;
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// from ACollector
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typeseq _typeseq() const noexcept override { return s_typeseq; }
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// const methods
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[[noreturn]] size_type allocated(Copaque, generation, role) const noexcept override { _fatal(); }
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[[noreturn]] size_type reserved(Copaque, generation, role) const noexcept override { _fatal(); }
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[[noreturn]] size_type committed(Copaque, generation, role) const noexcept override { _fatal(); }
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[[noreturn]] bool is_type_installed(Copaque, typeseq) const noexcept override { _fatal(); }
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// non-const methods
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[[noreturn]] bool install_type(Opaque, const AGCObject &) noexcept override { _fatal(); }
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[[noreturn]] void add_gc_root_poly(Opaque, obj<AGCObject> *) override { _fatal(); }
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[[noreturn]] void remove_gc_root_poly(Opaque, obj<AGCObject> *) override { _fatal(); }
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[[noreturn]] void request_gc(Opaque, generation) override { _fatal(); }
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[[noreturn]] void assign_member(Opaque, void *,
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obj<AGCObject> *, obj<AGCObject> &) override { _fatal(); }
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[[noreturn]] void forward_inplace(Opaque, AGCObject *, void **) override { _fatal(); }
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private:
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[[noreturn]] static void _fatal();
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public:
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static typeseq s_typeseq;
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static bool _valid;
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};
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} /*namespace mm*/
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} /*namespace xo*/
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/* end ICollector_Any.hpp */
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