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1 //===-- TestModuleFileExtension.h - Module Extension Tester -----*- C++ -*-===//
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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 #ifndef LLVM_CLANG_FRONTEND_TESTMODULEFILEEXTENSION_H
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9 #define LLVM_CLANG_FRONTEND_TESTMODULEFILEEXTENSION_H
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10
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11 #include "clang/Serialization/ModuleFileExtension.h"
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12 #include "clang/Basic/LLVM.h"
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13 #include "llvm/ADT/StringRef.h"
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14 #include "llvm/Bitstream/BitstreamReader.h"
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15 #include <string>
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16
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17 namespace clang {
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18
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19 /// A module file extension used for testing purposes.
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207
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20 class TestModuleFileExtension
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21 : public llvm::RTTIExtends<TestModuleFileExtension, ModuleFileExtension> {
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22 std::string BlockName;
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23 unsigned MajorVersion;
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24 unsigned MinorVersion;
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25 bool Hashed;
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26 std::string UserInfo;
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27
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28 class Writer : public ModuleFileExtensionWriter {
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29 public:
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30 Writer(ModuleFileExtension *Ext) : ModuleFileExtensionWriter(Ext) { }
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31 ~Writer() override;
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32
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33 void writeExtensionContents(Sema &SemaRef,
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34 llvm::BitstreamWriter &Stream) override;
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35 };
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36
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37 class Reader : public ModuleFileExtensionReader {
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38 llvm::BitstreamCursor Stream;
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39
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40 public:
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41 ~Reader() override;
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42
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43 Reader(ModuleFileExtension *Ext, const llvm::BitstreamCursor &InStream);
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44 };
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45
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46 public:
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47 static char ID;
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48
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49 TestModuleFileExtension(StringRef BlockName, unsigned MajorVersion,
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50 unsigned MinorVersion, bool Hashed,
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51 StringRef UserInfo)
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52 : BlockName(BlockName), MajorVersion(MajorVersion),
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53 MinorVersion(MinorVersion), Hashed(Hashed), UserInfo(UserInfo) {}
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54 ~TestModuleFileExtension() override;
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55
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56 ModuleFileExtensionMetadata getExtensionMetadata() const override;
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57
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58 llvm::hash_code hashExtension(llvm::hash_code Code) const override;
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59
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60 std::unique_ptr<ModuleFileExtensionWriter>
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61 createExtensionWriter(ASTWriter &Writer) override;
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62
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63 std::unique_ptr<ModuleFileExtensionReader>
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64 createExtensionReader(const ModuleFileExtensionMetadata &Metadata,
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65 ASTReader &Reader, serialization::ModuleFile &Mod,
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66 const llvm::BitstreamCursor &Stream) override;
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67
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68 std::string str() const;
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69 };
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70
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71 } // end namespace clang
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72
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73 #endif // LLVM_CLANG_FRONTEND_TESTMODULEFILEEXTENSION_H
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