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14 | pmbaty | 1 | //===- SymbolVisitorCallbackPipeline.h --------------------------*- C++ -*-===// |
2 | // |
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3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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4 | // See https://llvm.org/LICENSE.txt for license information. |
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5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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6 | // |
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7 | //===----------------------------------------------------------------------===// |
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8 | |||
9 | #ifndef LLVM_DEBUGINFO_CODEVIEW_SYMBOLVISITORCALLBACKPIPELINE_H |
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10 | #define LLVM_DEBUGINFO_CODEVIEW_SYMBOLVISITORCALLBACKPIPELINE_H |
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11 | |||
12 | #include "llvm/DebugInfo/CodeView/SymbolRecord.h" |
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13 | #include "llvm/DebugInfo/CodeView/SymbolVisitorCallbacks.h" |
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14 | #include "llvm/Support/Error.h" |
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15 | #include <vector> |
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16 | |||
17 | namespace llvm { |
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18 | namespace codeview { |
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19 | |||
20 | class SymbolVisitorCallbackPipeline : public SymbolVisitorCallbacks { |
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21 | public: |
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22 | SymbolVisitorCallbackPipeline() = default; |
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23 | |||
24 | Error visitUnknownSymbol(CVSymbol &Record) override { |
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25 | for (auto *Visitor : Pipeline) { |
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26 | if (auto EC = Visitor->visitUnknownSymbol(Record)) |
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27 | return EC; |
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28 | } |
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29 | return Error::success(); |
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30 | } |
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31 | |||
32 | Error visitSymbolBegin(CVSymbol &Record, uint32_t Offset) override { |
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33 | for (auto *Visitor : Pipeline) { |
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34 | if (auto EC = Visitor->visitSymbolBegin(Record, Offset)) |
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35 | return EC; |
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36 | } |
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37 | return Error::success(); |
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38 | } |
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39 | |||
40 | Error visitSymbolBegin(CVSymbol &Record) override { |
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41 | for (auto *Visitor : Pipeline) { |
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42 | if (auto EC = Visitor->visitSymbolBegin(Record)) |
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43 | return EC; |
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44 | } |
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45 | return Error::success(); |
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46 | } |
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47 | |||
48 | Error visitSymbolEnd(CVSymbol &Record) override { |
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49 | for (auto *Visitor : Pipeline) { |
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50 | if (auto EC = Visitor->visitSymbolEnd(Record)) |
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51 | return EC; |
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52 | } |
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53 | return Error::success(); |
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54 | } |
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55 | |||
56 | void addCallbackToPipeline(SymbolVisitorCallbacks &Callbacks) { |
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57 | Pipeline.push_back(&Callbacks); |
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58 | } |
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59 | |||
60 | #define SYMBOL_RECORD(EnumName, EnumVal, Name) \ |
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61 | Error visitKnownRecord(CVSymbol &CVR, Name &Record) override { \ |
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62 | for (auto Visitor : Pipeline) { \ |
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63 | if (auto EC = Visitor->visitKnownRecord(CVR, Record)) \ |
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64 | return EC; \ |
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65 | } \ |
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66 | return Error::success(); \ |
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67 | } |
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68 | #define SYMBOL_RECORD_ALIAS(EnumName, EnumVal, Name, AliasName) |
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69 | #include "llvm/DebugInfo/CodeView/CodeViewSymbols.def" |
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70 | |||
71 | private: |
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72 | std::vector<SymbolVisitorCallbacks *> Pipeline; |
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73 | }; |
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74 | |||
75 | } // end namespace codeview |
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76 | } // end namespace llvm |
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77 | |||
78 | #endif // LLVM_DEBUGINFO_CODEVIEW_SYMBOLVISITORCALLBACKPIPELINE_H |