Yi Kong | 8328301 | 2023-12-13 12:57:00 +0900 | [diff] [blame^] | 1 | //===- TypeVisitorCallbackPipeline.h ----------------------------*- C++ -*-===// |
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | #ifndef LLVM_DEBUGINFO_CODEVIEW_TYPEVISITORCALLBACKPIPELINE_H |
| 10 | #define LLVM_DEBUGINFO_CODEVIEW_TYPEVISITORCALLBACKPIPELINE_H |
| 11 | |
| 12 | #include "llvm/DebugInfo/CodeView/CodeView.h" |
| 13 | #include "llvm/DebugInfo/CodeView/TypeRecord.h" |
| 14 | #include "llvm/DebugInfo/CodeView/TypeVisitorCallbacks.h" |
| 15 | #include "llvm/Support/Error.h" |
| 16 | #include <vector> |
| 17 | |
| 18 | namespace llvm { |
| 19 | namespace codeview { |
| 20 | |
| 21 | class TypeVisitorCallbackPipeline : public TypeVisitorCallbacks { |
| 22 | public: |
| 23 | TypeVisitorCallbackPipeline() = default; |
| 24 | |
| 25 | Error visitUnknownType(CVRecord<TypeLeafKind> &Record) override { |
| 26 | for (auto *Visitor : Pipeline) { |
| 27 | if (auto EC = Visitor->visitUnknownType(Record)) |
| 28 | return EC; |
| 29 | } |
| 30 | return Error::success(); |
| 31 | } |
| 32 | |
| 33 | Error visitUnknownMember(CVMemberRecord &Record) override { |
| 34 | for (auto *Visitor : Pipeline) { |
| 35 | if (auto EC = Visitor->visitUnknownMember(Record)) |
| 36 | return EC; |
| 37 | } |
| 38 | return Error::success(); |
| 39 | } |
| 40 | |
| 41 | Error visitTypeBegin(CVType &Record) override { |
| 42 | for (auto *Visitor : Pipeline) { |
| 43 | if (auto EC = Visitor->visitTypeBegin(Record)) |
| 44 | return EC; |
| 45 | } |
| 46 | return Error::success(); |
| 47 | } |
| 48 | |
| 49 | Error visitTypeBegin(CVType &Record, TypeIndex Index) override { |
| 50 | for (auto *Visitor : Pipeline) { |
| 51 | if (auto EC = Visitor->visitTypeBegin(Record, Index)) |
| 52 | return EC; |
| 53 | } |
| 54 | return Error::success(); |
| 55 | } |
| 56 | |
| 57 | Error visitTypeEnd(CVType &Record) override { |
| 58 | for (auto *Visitor : Pipeline) { |
| 59 | if (auto EC = Visitor->visitTypeEnd(Record)) |
| 60 | return EC; |
| 61 | } |
| 62 | return Error::success(); |
| 63 | } |
| 64 | |
| 65 | Error visitMemberBegin(CVMemberRecord &Record) override { |
| 66 | for (auto *Visitor : Pipeline) { |
| 67 | if (auto EC = Visitor->visitMemberBegin(Record)) |
| 68 | return EC; |
| 69 | } |
| 70 | return Error::success(); |
| 71 | } |
| 72 | |
| 73 | Error visitMemberEnd(CVMemberRecord &Record) override { |
| 74 | for (auto *Visitor : Pipeline) { |
| 75 | if (auto EC = Visitor->visitMemberEnd(Record)) |
| 76 | return EC; |
| 77 | } |
| 78 | return Error::success(); |
| 79 | } |
| 80 | |
| 81 | void addCallbackToPipeline(TypeVisitorCallbacks &Callbacks) { |
| 82 | Pipeline.push_back(&Callbacks); |
| 83 | } |
| 84 | |
| 85 | #define TYPE_RECORD(EnumName, EnumVal, Name) \ |
| 86 | Error visitKnownRecord(CVType &CVR, Name##Record &Record) override { \ |
| 87 | return visitKnownRecordImpl(CVR, Record); \ |
| 88 | } |
| 89 | #define MEMBER_RECORD(EnumName, EnumVal, Name) \ |
| 90 | Error visitKnownMember(CVMemberRecord &CVMR, Name##Record &Record) \ |
| 91 | override { \ |
| 92 | return visitKnownMemberImpl(CVMR, Record); \ |
| 93 | } |
| 94 | #define TYPE_RECORD_ALIAS(EnumName, EnumVal, Name, AliasName) |
| 95 | #define MEMBER_RECORD_ALIAS(EnumName, EnumVal, Name, AliasName) |
| 96 | #include "llvm/DebugInfo/CodeView/CodeViewTypes.def" |
| 97 | |
| 98 | private: |
| 99 | template <typename T> Error visitKnownRecordImpl(CVType &CVR, T &Record) { |
| 100 | for (auto *Visitor : Pipeline) { |
| 101 | if (auto EC = Visitor->visitKnownRecord(CVR, Record)) |
| 102 | return EC; |
| 103 | } |
| 104 | return Error::success(); |
| 105 | } |
| 106 | |
| 107 | template <typename T> |
| 108 | Error visitKnownMemberImpl(CVMemberRecord &CVMR, T &Record) { |
| 109 | for (auto *Visitor : Pipeline) { |
| 110 | if (auto EC = Visitor->visitKnownMember(CVMR, Record)) |
| 111 | return EC; |
| 112 | } |
| 113 | return Error::success(); |
| 114 | } |
| 115 | std::vector<TypeVisitorCallbacks *> Pipeline; |
| 116 | }; |
| 117 | |
| 118 | } // end namespace codeview |
| 119 | } // end namespace llvm |
| 120 | |
| 121 | #endif // LLVM_DEBUGINFO_CODEVIEW_TYPEVISITORCALLBACKPIPELINE_H |