Esempio n. 1
0
  void MarkSweepGC::collect(Roots &roots, CallFrameLocationList& call_frames) {
    Object* tmp;

    Root* root = static_cast<Root*>(roots.head());
    while(root) {
      tmp = root->get();
      if(tmp->reference_p()) {
        saw_object(tmp);
      }

      root = static_cast<Root*>(root->next());
    }

    // Walk all the call frames
    for(CallFrameLocationList::const_iterator i = call_frames.begin();
        i != call_frames.end();
        ++i) {
      CallFrame** loc = *i;
      walk_call_frame(*loc);
    }

    while(!mark_stack_.empty()) {
      tmp = mark_stack_.back();
      mark_stack_.pop_back();
      scan_object(tmp);
    }

    after_marked();
  }
Esempio n. 2
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  void GarbageCollector::visit_roots(Roots& roots, ObjectVisitor& visit) {
    Root* root = static_cast<Root*>(roots.head());
    while(root) {
      Object* tmp = root->get();
      if(tmp->reference_p()) {
        visit.call(tmp);
      }

      root = static_cast<Root*>(root->next());
    }
  }
Esempio n. 3
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  void HeapDebug::walk(Roots &roots) {
    Object* tmp;

    Root* root = static_cast<Root*>(roots.head());
    while(root) {
      tmp = root->get();
      if(tmp->reference_p()) {
        saw_object(tmp);
      }

      root = static_cast<Root*>(root->next());
    }
  }
Esempio n. 4
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  void MarkSweepGC::collect(Roots &roots) {
    Object* tmp;

    Root* root = static_cast<Root*>(roots.head());
    while(root) {
      tmp = root->get();
      if(tmp->reference_p()) {
        saw_object(tmp);
      }

      root = static_cast<Root*>(root->next());
    }

    // Cleanup all weakrefs seen
    clean_weakrefs();

    // Sweep up the garbage
    sweep_objects();
  }