31     SkASSERT(fStack.empty());  in checkReset()
37     if (!fStack.empty()) {  in pushStack()
38         fStack.back().fNumActualChildren++;  in pushStack()
39         SkASSERT(fStack.back().fNumActualChildren <= fStack.back().fNumExpectedChildren);  in pushStack()
43     fStack.push_back({codeSnippetID, snippet->fNumChildren});  in pushStack()
47     SkASSERT(!fStack.empty()); // addData() called within code snippet block  in validateData()
49     const ShaderSnippet* snippet = fDict->getEntry(fStack.back().fCodeSnippetID);  in validateData()
51     SkASSERT(fStack.back().fDataSize < 0);  in validateData()
53     fStack.back().fDataSize = SkTo<int>(dataSize);  in validateData()
57     SkASSERT(!fStack.empty());  in popStack()
58     SkASSERT(fStack.back().fNumActualChildren == fStack.back().fNumExpectedChildren);  in popStack()
59     const bool expectsData = fDict->getEntry(fStack.back().fCodeSnippetID)->storesSamplerDescData();  in popStack()
60     const bool hasData = fStack.back().fDataSize >= 0;  in popStack()
62     fStack.pop_back();  in popStack()