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14 | pmbaty | 1 | //===- DebugSubsectionVisitor.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_DEBUGSUBSECTIONVISITOR_H |
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10 | #define LLVM_DEBUGINFO_CODEVIEW_DEBUGSUBSECTIONVISITOR_H |
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11 | |||
12 | #include "llvm/DebugInfo/CodeView/StringsAndChecksums.h" |
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13 | #include "llvm/Support/Error.h" |
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14 | |||
15 | namespace llvm { |
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16 | |||
17 | namespace codeview { |
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18 | |||
19 | class DebugChecksumsSubsectionRef; |
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20 | class DebugSubsectionRecord; |
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21 | class DebugInlineeLinesSubsectionRef; |
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22 | class DebugCrossModuleExportsSubsectionRef; |
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23 | class DebugCrossModuleImportsSubsectionRef; |
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24 | class DebugFrameDataSubsectionRef; |
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25 | class DebugLinesSubsectionRef; |
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26 | class DebugStringTableSubsectionRef; |
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27 | class DebugSymbolRVASubsectionRef; |
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28 | class DebugSymbolsSubsectionRef; |
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29 | class DebugUnknownSubsectionRef; |
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30 | |||
31 | class DebugSubsectionVisitor { |
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32 | public: |
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33 | virtual ~DebugSubsectionVisitor() = default; |
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34 | |||
35 | virtual Error visitUnknown(DebugUnknownSubsectionRef &Unknown) { |
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36 | return Error::success(); |
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37 | } |
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38 | virtual Error visitLines(DebugLinesSubsectionRef &Lines, |
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39 | const StringsAndChecksumsRef &State) = 0; |
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40 | virtual Error visitFileChecksums(DebugChecksumsSubsectionRef &Checksums, |
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41 | const StringsAndChecksumsRef &State) = 0; |
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42 | virtual Error visitInlineeLines(DebugInlineeLinesSubsectionRef &Inlinees, |
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43 | const StringsAndChecksumsRef &State) = 0; |
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44 | virtual Error |
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45 | visitCrossModuleExports(DebugCrossModuleExportsSubsectionRef &CSE, |
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46 | const StringsAndChecksumsRef &State) = 0; |
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47 | virtual Error |
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48 | visitCrossModuleImports(DebugCrossModuleImportsSubsectionRef &CSE, |
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49 | const StringsAndChecksumsRef &State) = 0; |
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50 | |||
51 | virtual Error visitStringTable(DebugStringTableSubsectionRef &ST, |
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52 | const StringsAndChecksumsRef &State) = 0; |
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53 | |||
54 | virtual Error visitSymbols(DebugSymbolsSubsectionRef &CSE, |
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55 | const StringsAndChecksumsRef &State) = 0; |
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56 | |||
57 | virtual Error visitFrameData(DebugFrameDataSubsectionRef &FD, |
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58 | const StringsAndChecksumsRef &State) = 0; |
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59 | virtual Error visitCOFFSymbolRVAs(DebugSymbolRVASubsectionRef &RVAs, |
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60 | const StringsAndChecksumsRef &State) = 0; |
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61 | }; |
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62 | |||
63 | Error visitDebugSubsection(const DebugSubsectionRecord &R, |
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64 | DebugSubsectionVisitor &V, |
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65 | const StringsAndChecksumsRef &State); |
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66 | |||
67 | namespace detail { |
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68 | template <typename T> |
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69 | Error visitDebugSubsections(T &&FragmentRange, DebugSubsectionVisitor &V, |
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70 | StringsAndChecksumsRef &State) { |
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71 | State.initialize(std::forward<T>(FragmentRange)); |
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72 | |||
73 | for (const DebugSubsectionRecord &L : FragmentRange) { |
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74 | if (auto EC = visitDebugSubsection(L, V, State)) |
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75 | return EC; |
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76 | } |
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77 | return Error::success(); |
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78 | } |
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79 | } // namespace detail |
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80 | |||
81 | template <typename T> |
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82 | Error visitDebugSubsections(T &&FragmentRange, DebugSubsectionVisitor &V) { |
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83 | StringsAndChecksumsRef State; |
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84 | return detail::visitDebugSubsections(std::forward<T>(FragmentRange), V, |
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85 | State); |
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86 | } |
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87 | |||
88 | template <typename T> |
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89 | Error visitDebugSubsections(T &&FragmentRange, DebugSubsectionVisitor &V, |
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90 | const DebugStringTableSubsectionRef &Strings) { |
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91 | StringsAndChecksumsRef State(Strings); |
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92 | return detail::visitDebugSubsections(std::forward<T>(FragmentRange), V, |
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93 | State); |
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94 | } |
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95 | |||
96 | template <typename T> |
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97 | Error visitDebugSubsections(T &&FragmentRange, DebugSubsectionVisitor &V, |
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98 | const DebugStringTableSubsectionRef &Strings, |
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99 | const DebugChecksumsSubsectionRef &Checksums) { |
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100 | StringsAndChecksumsRef State(Strings, Checksums); |
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101 | return detail::visitDebugSubsections(std::forward<T>(FragmentRange), V, |
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102 | State); |
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103 | } |
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104 | |||
105 | } // end namespace codeview |
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106 | |||
107 | } // end namespace llvm |
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108 | |||
109 | #endif // LLVM_DEBUGINFO_CODEVIEW_DEBUGSUBSECTIONVISITOR_H |