mirror of
https://github.com/pocketpy/pocketpy
synced 2025-10-20 03:20:18 +00:00
1c82060daf
* add some clang-format offs. * add formats. * format the world. * AllowShortIfStatementsOnASingleLine * off REGION. * Rollback vm.hpp * Disable insert.
57 lines
1.3 KiB
C++
57 lines
1.3 KiB
C++
#include "pocketpy/interpreter/gc.hpp"
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namespace pkpy {
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int ManagedHeap::sweep() {
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vector<PyObject*> alive;
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alive.reserve(gen.size() / 2);
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for(PyObject* obj: gen) {
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if(obj->gc_marked) {
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obj->gc_marked = false;
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alive.push_back(obj);
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} else {
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#if PK_DEBUG_GC_STATS
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deleted[obj->type] += 1;
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#endif
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if(_gc_on_delete) _gc_on_delete(vm, obj);
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_delete(obj);
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}
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}
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// clear _no_gc marked flag
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for(PyObject* obj: _no_gc)
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obj->gc_marked = false;
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int freed = gen.size() - alive.size();
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#if PK_DEBUG_GC_STATS
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for(auto& [type, count]: deleted) {
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std::cout << "GC: " << _type_name(vm, type).sv() << "=" << count << std::endl;
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}
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std::cout << "GC: " << alive.size() << "/" << gen.size() << " (" << freed << " freed)" << std::endl;
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deleted.clear();
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#endif
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gen.clear();
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gen.swap(alive);
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PoolObject_shrink_to_fit();
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return freed;
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}
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void ManagedHeap::_auto_collect() {
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#if !PK_DEBUG_NO_AUTO_GC
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if(_gc_lock_counter > 0) return;
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gc_counter = 0;
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collect();
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gc_threshold = gen.size() * 2;
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if(gc_threshold < PK_GC_MIN_THRESHOLD) gc_threshold = PK_GC_MIN_THRESHOLD;
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#endif
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}
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int ManagedHeap::collect() {
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assert(_gc_lock_counter == 0);
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mark();
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int freed = sweep();
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return freed;
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}
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} // namespace pkpy
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