timeline.cc

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#include "ion/profile/timeline.h"

#include "ion/base/logging.h"
#include "ion/profile/timelinenode.h"

Timeline::const_iterator Timeline::const_iterator::operator++() {
  if (node_->GetChildren().empty()) {
    while (true) {
      if (node_ == root_) {
        node_ = nullptr;
        break;
      }
      const TimelineNode* parent = node_->GetParent();
      auto iter = parent->GetChildren().begin();
      while (iter != parent->GetChildren().end()) {
        if ((*iter).get() == node_) break;
        ++iter;
      }
      CHECK(iter != parent->GetChildren().end());
      ++iter;
      if (iter != parent->GetChildren().end()) {
        node_ = (*iter).get();
        break;
      } else {
        node_ = parent;
      }
    }
  } else {
    node_ = node_->GetChildren().front().get();
  }

  return *this;
}