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xo-imgui: ex: display both from+to spaces + refactor&streamline

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Roland Conybeare 2025-08-25 16:09:18 -04:00
commit a956320470
2 changed files with 11 additions and 0 deletions
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9
include/xo/alloc/GC.hpp
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@ -147,6 +147,8 @@ namespace xo {
static up<GC> make(const Config & config);
const Config & config() const { return config_; }
std::uint8_t nursery_polarity() const { return nursery_polarity_; }
std::uint8_t tenured_polarity() const { return tenured_polarity_; }
const GCRunstate & runstate() const { return runstate_; }
const GcStatistics & native_gc_statistics() const { return gc_statistics_; }
GcStatisticsExt get_gc_statistics() const;
@ -345,6 +347,13 @@ namespace xo {
/** garbage collector configuration **/
Config config_;
/** keep track of the identity of from-space and to-space.
* assist for animation (see xo-imgui/example/ex2).
* polarity alternates between 0 and 1 on each GC
**/
std::uint8_t nursery_polarity_ = 0;
std::uint8_t tenured_polarity_ = 0;
/** contains allocated objects, along with unreachable garbage to be collected.
* roles reverse after each incremental, or full, collection.
**/