820         return other != nullptr && mHead == other->mHead;  in equals()
825         return Info(mHead);  in get()
832         mHead.reset();  in increment()
837         : mHead(head) { }  in Impl()
839     std::shared_ptr<Info::Impl> mHead; ///< current field  member
915         uint32_t parentOffset = GetParentOffset(mHead);  in makeLeaf()
922                 mHead /* parent */, index, mHead == nullptr ? 0 : mHead->depth + 1,  in makeLeaf()
923                 GetParentBaseFieldOffset(mHead) + GetOffset(field),  in makeLeaf()
954         : C2FieldUtilsFieldsIteratorHelper(impl->mReflector, impl->mParamSize, impl->mHead) {  in C2FieldUtilsFieldsIterator()
956         if (mHead->field.type() & C2FieldDescriptor::STRUCT_FLAG) {  in C2FieldUtilsFieldsIterator()
957             C2Param::CoreIndex index = { mHead->field.type() &~C2FieldDescriptor::STRUCT_FLAG };  in C2FieldUtilsFieldsIterator()
969         if (mHead == nullptr || _mFields.empty()) {  in increment()
974         if (mHead->field.type() & C2FieldDescriptor::STRUCT_FLAG) {  in increment()
975             C2Param::CoreIndex index = { mHead->field.type() &~C2FieldDescriptor::STRUCT_FLAG };  in increment()
984             mHead = mHead->parent;  in increment()
992             mHead.reset();  in increment()
998         mHead->field = OffsetFieldDescriptor(*next, GetParentOffset(mHead->parent));  in increment()
999         mHead->index = 0; // reset index just in case for correctness  in increment()
1000         mHead->baseFieldOffset = GetParentBaseFieldOffset(mHead->parent) + GetOffset(*next);  in increment()
1001         mHead->arrayOffset = GetOffset(mHead->field);  in increment()
1002         mHead->usedExtent = mHead->field.extent() ? :  in increment()
1003                 (std::max(mHead->arrayOffset, mParamSize) - mHead->arrayOffset)  in increment()
1004                         / GetSize(mHead->field);  in increment()
1019             mHead = makeLeaf(*first, 0 /* index */);  in descendInto()
1069         std::shared_ptr<C2FieldUtils::Info::Impl> node = mHead;  in C2FieldUtilsCousinsIterator()
1091         mHead.reset();  in increment()
1159             if ((mHead->field.type() & C2FieldDescriptor::STRUCT_FLAG) == 0) {  in C2FieldUtilsFieldLocator()
1162             index = C2Param::CoreIndex(mHead->field.type() &~ C2FieldDescriptor::STRUCT_FLAG);  in C2FieldUtilsFieldLocator()
1167         mHead = _mTail;  in increment()
1179         if (mHead != _mTail) {  in descendInto()
1189             uint32_t parentOffset = GetParentOffset(mHead);  in descendInto()
1229                 mHead = startLeaf;  in descendInto()
1232                 mHead = startLeaf;  in descendInto()