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xo-gc stack: + gc-report-object-types() primitive

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Roland Conybeare 2026-03-29 17:19:23 -04:00
commit b8e7ff8b7a
5 changed files with 31 additions and 0 deletions
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5
include/xo/alloc2/gc/ACollector.hpp
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@ -74,6 +74,11 @@ Creates dictionary using memory from @p report_mm.
If unable to comply (e.g. oom), return runtime error allocated from @p error_mm.
Avoiding obj<AGCObject> return type to avoid #include cycle **/
virtual bool report_statistics(Copaque data, obj<AAllocator> report_mm, obj<AAllocator> error_mm, obj<AGCObject> * output) const noexcept = 0;
/** Report gc object types, at discretion of collector implementation.
Creates dictionary using memory from @p report_mm.
If unable to comply (e.g. oom), return runtime error allocated from @p error_mm.
Avoiding obj<AGCObject> return type to avoid #include cycle **/
virtual bool report_object_types(Copaque data, obj<AAllocator> report_mm, obj<AAllocator> error_mm, obj<AGCObject> * output) const noexcept = 0;
// nonconst methods
/** install interface @p iface for representation with typeseq @p tseq

1
include/xo/alloc2/gc/ICollector_Any.hpp
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@ -65,6 +65,7 @@ namespace mm {
[[noreturn]] bool contains(Copaque, role, const void *) const noexcept override { _fatal(); }
[[noreturn]] bool is_type_installed(Copaque, typeseq) const noexcept override { _fatal(); }
[[noreturn]] bool report_statistics(Copaque, obj<AAllocator>, obj<AAllocator>, obj<AGCObject> *) const noexcept override { _fatal(); }
[[noreturn]] bool report_object_types(Copaque, obj<AAllocator>, obj<AAllocator>, obj<AGCObject> *) const noexcept override { _fatal(); }
// nonconst methods
[[noreturn]] bool install_type(Opaque, const AGCObject &) override;

3
include/xo/alloc2/gc/ICollector_Xfer.hpp
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@ -64,6 +64,9 @@ namespace mm {
bool report_statistics(Copaque data, obj<AAllocator> report_mm, obj<AAllocator> error_mm, obj<AGCObject> * output) const noexcept override {
return I::report_statistics(_dcast(data), report_mm, error_mm, output);
}
bool report_object_types(Copaque data, obj<AAllocator> report_mm, obj<AAllocator> error_mm, obj<AGCObject> * output) const noexcept override {
return I::report_object_types(_dcast(data), report_mm, error_mm, output);
}
// non-const methods
bool install_type(Opaque data, const AGCObject & iface) override {

3
include/xo/alloc2/gc/RCollector.hpp
View file

@ -97,6 +97,9 @@ public:
bool report_statistics(obj<AAllocator> report_mm, obj<AAllocator> error_mm, obj<AGCObject> * output) const noexcept {
return O::iface()->report_statistics(O::data(), report_mm, error_mm, output);
}
bool report_object_types(obj<AAllocator> report_mm, obj<AAllocator> error_mm, obj<AGCObject> * output) const noexcept {
return O::iface()->report_object_types(O::data(), report_mm, error_mm, output);
}
// non-const methods (still const in router!)
bool install_type(const AGCObject & iface) {