SQInteger SQSharedState::CollectGarbage(SQVM *vm) { SQInteger n=0; SQCollectable *tchain=NULL; RunMark(vm,&tchain); SQCollectable *t = _gc_chain; SQCollectable *nx = NULL; while(t) { t->_uiRef++; t->Finalize(); nx = t->_next; if(--t->_uiRef == 0) t->Release(); t = nx; n++; } t = tchain; while(t) { t->UnMark(); t = t->_next; } _gc_chain = tchain; return n; }
SQSharedState::~SQSharedState() { if(_releasehook) { _releasehook(_foreignptr,0); _releasehook = NULL; } _constructoridx.Null(); _table(_registry)->Finalize(); _table(_consts)->Finalize(); _table(_metamethodsmap)->Finalize(); _registry.Null(); _consts.Null(); _metamethodsmap.Null(); while(!_systemstrings->empty()) { _systemstrings->back().Null(); _systemstrings->pop_back(); } _thread(_root_vm)->Finalize(); _root_vm.Null(); _table_default_delegate.Null(); _array_default_delegate.Null(); _string_default_delegate.Null(); _number_default_delegate.Null(); _closure_default_delegate.Null(); _generator_default_delegate.Null(); _thread_default_delegate.Null(); _class_default_delegate.Null(); _instance_default_delegate.Null(); _weakref_default_delegate.Null(); _refs_table.Finalize(); #ifndef NO_GARBAGE_COLLECTOR SQCollectable *t = _gc_chain; SQCollectable *nx = NULL; if(t) { t->_uiRef++; while(t) { t->Finalize(); nx = t->_next; if(nx) nx->_uiRef++; if(--t->_uiRef == 0) t->Release(); t = nx; } } assert(_gc_chain==NULL); //just to proove a theory while(_gc_chain){ _gc_chain->_uiRef++; _gc_chain->Release(); } #endif sq_delete(_types,SQObjectPtrVec); sq_delete(_systemstrings,SQObjectPtrVec); sq_delete(_metamethods,SQObjectPtrVec); sq_delete(_stringtable,SQStringTable); if(_scratchpad)SQ_FREE(_scratchpad,_scratchpadsize); }
SQInteger SQSharedState::ResurrectUnreachable(SQVM *vm) { SQInteger n=0; SQCollectable *tchain=NULL; RunMark(vm,&tchain); SQCollectable *resurrected = _gc_chain; SQCollectable *t = resurrected; //SQCollectable *nx = NULL; _gc_chain = tchain; SQArray *ret = NULL; if(resurrected) { ret = SQArray::Create(this,0); SQCollectable *rlast = NULL; while(t) { rlast = t; SQObjectType type = t->GetType(); if(type != OT_FUNCPROTO && type != OT_OUTER) { SQObject sqo; sqo._type = type; sqo._unVal.pRefCounted = t; ret->Append(sqo); } t = t->_next; n++; } assert(rlast->_next == NULL); rlast->_next = _gc_chain; if(_gc_chain) { _gc_chain->_prev = rlast; } _gc_chain = resurrected; } t = _gc_chain; while(t) { t->UnMark(); t = t->_next; } if(ret) { SQObjectPtr temp = ret; vm->Push(temp); } else { vm->PushNull(); } return n; }
SQInteger SQSharedState::CollectGarbage(SQVM *vm) { SQInteger n=0; SQCollectable *tchain=NULL; SQVM *vms = _thread(_root_vm); vms->Mark(&tchain); SQInteger x = _table(_thread(_root_vm)->_roottable)->CountUsed(); _refs_table.Mark(&tchain); MarkObject(_registry,&tchain); MarkObject(_consts,&tchain); MarkObject(_metamethodsmap,&tchain); MarkObject(_table_default_delegate,&tchain); MarkObject(_array_default_delegate,&tchain); MarkObject(_string_default_delegate,&tchain); MarkObject(_number_default_delegate,&tchain); MarkObject(_generator_default_delegate,&tchain); MarkObject(_thread_default_delegate,&tchain); MarkObject(_closure_default_delegate,&tchain); MarkObject(_class_default_delegate,&tchain); MarkObject(_instance_default_delegate,&tchain); MarkObject(_weakref_default_delegate,&tchain); SQCollectable *t = _gc_chain; SQCollectable *nx = NULL; while(t) { t->_uiRef++; t->Finalize(); nx = t->_next; if(--t->_uiRef == 0) t->Release(); t = nx; n++; } t = tchain; while(t) { t->UnMark(); t = t->_next; } _gc_chain = tchain; SQInteger z = _table(_thread(_root_vm)->_roottable)->CountUsed(); assert(z == x); return n; }