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7
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1 __code meta(struct Context* context, enum Code next) {
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2 struct Iterator* iter = &context->data[Iter]->iterator;
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3
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4 switch (context->prev) {
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5 case GoToPreviousDepth:
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6 if (iter->iteratedPointDataNum == 0) break;
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7 if (iter->iteratedPointHeap == NULL) break;
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8
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9 unsigned int diff =(unsigned long)context->heap - (unsigned long)iter->iteratedPointHeap;
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10 memset(iter->iteratedPointHeap, 0, diff);
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11 context->dataNum = iter->iteratedPointDataNum;
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12 context->heap = iter->iteratedPointHeap;
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13 break;
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14 default:
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15 break;
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16 }
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17 switch (next) {
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18 case PutAndGoToNextDepth: // with assert check
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19 if (context->prev == GoToPreviousDepth) break;
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20 if (iter->previousDepth == NULL) break;
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21 iter->previousDepth->iteratedPointDataNum = context->dataNum;
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22 iter->previousDepth->iteratedPointHeap = context->heap;
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23 break;
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24 default:
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25 break;
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26 }
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27
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28 context->prev = next;
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29 goto (context->code[next])(context);
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30 }
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31
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