Artem Dergachev | 4e7c6fd | 2016-04-14 11:51:27 +0000 | [diff] [blame] | 1 | //===- unittest/AST/ASTImporterTest.cpp - AST node import test ------------===// |
| 2 | // |
Chandler Carruth | 2946cd7 | 2019-01-19 08:50:56 +0000 | [diff] [blame] | 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 |
Artem Dergachev | 4e7c6fd | 2016-04-14 11:51:27 +0000 | [diff] [blame] | 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | // |
| 9 | // Tests for the correct import of AST nodes from one AST context to another. |
| 10 | // |
| 11 | //===----------------------------------------------------------------------===// |
| 12 | |
Gabor Marton | 25234fd | 2019-12-12 17:13:35 +0100 | [diff] [blame] | 13 | #include "clang/ASTMatchers/ASTMatchers.h" |
Aleksei Sidorin | 04fbffc | 2018-04-24 10:11:53 +0000 | [diff] [blame] | 14 | #include "llvm/ADT/StringMap.h" |
Raphael Isemann | 9f1e81f | 2020-04-27 10:06:56 +0200 | [diff] [blame] | 15 | #include "llvm/Support/SmallVectorMemoryBuffer.h" |
Artem Dergachev | 4e7c6fd | 2016-04-14 11:51:27 +0000 | [diff] [blame] | 16 | |
Gabor Marton | 3c72fe1 | 2019-05-13 10:06:25 +0000 | [diff] [blame] | 17 | #include "clang/AST/DeclContextInternals.h" |
Gabor Marton | 25234fd | 2019-12-12 17:13:35 +0100 | [diff] [blame] | 18 | #include "gtest/gtest.h" |
Gabor Marton | 3c72fe1 | 2019-05-13 10:06:25 +0000 | [diff] [blame] | 19 | |
| 20 | #include "ASTImporterFixtures.h" |
| 21 | #include "MatchVerifier.h" |
| 22 | |
Artem Dergachev | 4e7c6fd | 2016-04-14 11:51:27 +0000 | [diff] [blame] | 23 | namespace clang { |
| 24 | namespace ast_matchers { |
| 25 | |
Aleksei Sidorin | 04fbffc | 2018-04-24 10:11:53 +0000 | [diff] [blame] | 26 | using internal::Matcher; |
| 27 | using internal::BindableMatcher; |
| 28 | using llvm::StringMap; |
| 29 | |
Gabor Marton | 19f4f39 | 2018-06-25 13:04:37 +0000 | [diff] [blame] | 30 | // Base class for those tests which use the family of `testImport` functions. |
Gabor Marton | 0b57ccb | 2019-02-07 16:52:48 +0000 | [diff] [blame] | 31 | class TestImportBase : public CompilerOptionSpecificTest, |
| 32 | public ::testing::WithParamInterface<ArgVector> { |
Adam Balogh | e4192a8 | 2018-06-15 06:45:39 +0000 | [diff] [blame] | 33 | |
Gabor Marton | 19f4f39 | 2018-06-25 13:04:37 +0000 | [diff] [blame] | 34 | template <typename NodeType> |
Balazs Keri | a1f6b10 | 2019-04-08 13:59:15 +0000 | [diff] [blame] | 35 | llvm::Expected<NodeType> importNode(ASTUnit *From, ASTUnit *To, |
| 36 | ASTImporter &Importer, NodeType Node) { |
Gabor Marton | 19f4f39 | 2018-06-25 13:04:37 +0000 | [diff] [blame] | 37 | ASTContext &ToCtx = To->getASTContext(); |
Aleksei Sidorin | 04fbffc | 2018-04-24 10:11:53 +0000 | [diff] [blame] | 38 | |
Gabor Marton | 19f4f39 | 2018-06-25 13:04:37 +0000 | [diff] [blame] | 39 | // Add 'From' file to virtual file system so importer can 'find' it |
| 40 | // while importing SourceLocations. It is safe to add same file multiple |
| 41 | // times - it just isn't replaced. |
| 42 | StringRef FromFileName = From->getMainFileName(); |
| 43 | createVirtualFileIfNeeded(To, FromFileName, |
| 44 | From->getBufferForFile(FromFileName)); |
Aleksei Sidorin | 04fbffc | 2018-04-24 10:11:53 +0000 | [diff] [blame] | 45 | |
Gabor Marton | 5ac6d49 | 2019-05-15 10:29:48 +0000 | [diff] [blame] | 46 | auto Imported = Importer.Import(Node); |
Aleksei Sidorin | 04fbffc | 2018-04-24 10:11:53 +0000 | [diff] [blame] | 47 | |
Balazs Keri | a1f6b10 | 2019-04-08 13:59:15 +0000 | [diff] [blame] | 48 | if (Imported) { |
| 49 | // This should dump source locations and assert if some source locations |
| 50 | // were not imported. |
| 51 | SmallString<1024> ImportChecker; |
| 52 | llvm::raw_svector_ostream ToNothing(ImportChecker); |
| 53 | ToCtx.getTranslationUnitDecl()->print(ToNothing); |
Aleksei Sidorin | 04fbffc | 2018-04-24 10:11:53 +0000 | [diff] [blame] | 54 | |
Balazs Keri | a1f6b10 | 2019-04-08 13:59:15 +0000 | [diff] [blame] | 55 | // This traverses the AST to catch certain bugs like poorly or not |
| 56 | // implemented subtrees. |
| 57 | (*Imported)->dump(ToNothing); |
| 58 | } |
Aleksei Sidorin | 04fbffc | 2018-04-24 10:11:53 +0000 | [diff] [blame] | 59 | |
Gabor Marton | 19f4f39 | 2018-06-25 13:04:37 +0000 | [diff] [blame] | 60 | return Imported; |
| 61 | } |
Aleksei Sidorin | 04fbffc | 2018-04-24 10:11:53 +0000 | [diff] [blame] | 62 | |
Gabor Marton | 19f4f39 | 2018-06-25 13:04:37 +0000 | [diff] [blame] | 63 | template <typename NodeType> |
| 64 | testing::AssertionResult |
| 65 | testImport(const std::string &FromCode, const ArgVector &FromArgs, |
| 66 | const std::string &ToCode, const ArgVector &ToArgs, |
| 67 | MatchVerifier<NodeType> &Verifier, |
| 68 | const BindableMatcher<NodeType> &SearchMatcher, |
| 69 | const BindableMatcher<NodeType> &VerificationMatcher) { |
| 70 | const char *const InputFileName = "input.cc"; |
| 71 | const char *const OutputFileName = "output.cc"; |
Aleksei Sidorin | 04fbffc | 2018-04-24 10:11:53 +0000 | [diff] [blame] | 72 | |
Gabor Marton | 19f4f39 | 2018-06-25 13:04:37 +0000 | [diff] [blame] | 73 | std::unique_ptr<ASTUnit> FromAST = tooling::buildASTFromCodeWithArgs( |
| 74 | FromCode, FromArgs, InputFileName), |
| 75 | ToAST = tooling::buildASTFromCodeWithArgs( |
| 76 | ToCode, ToArgs, OutputFileName); |
| 77 | |
| 78 | ASTContext &FromCtx = FromAST->getASTContext(), |
| 79 | &ToCtx = ToAST->getASTContext(); |
| 80 | |
| 81 | ASTImporter Importer(ToCtx, ToAST->getFileManager(), FromCtx, |
| 82 | FromAST->getFileManager(), false); |
| 83 | |
| 84 | auto FoundNodes = match(SearchMatcher, FromCtx); |
| 85 | if (FoundNodes.size() != 1) |
| 86 | return testing::AssertionFailure() |
| 87 | << "Multiple potential nodes were found!"; |
| 88 | |
| 89 | auto ToImport = selectFirst<NodeType>(DeclToImportID, FoundNodes); |
| 90 | if (!ToImport) |
| 91 | return testing::AssertionFailure() << "Node type mismatch!"; |
| 92 | |
| 93 | // Sanity check: the node being imported should match in the same way as |
| 94 | // the result node. |
| 95 | BindableMatcher<NodeType> WrapperMatcher(VerificationMatcher); |
| 96 | EXPECT_TRUE(Verifier.match(ToImport, WrapperMatcher)); |
| 97 | |
| 98 | auto Imported = importNode(FromAST.get(), ToAST.get(), Importer, ToImport); |
Balazs Keri | a1f6b10 | 2019-04-08 13:59:15 +0000 | [diff] [blame] | 99 | if (!Imported) { |
| 100 | std::string ErrorText; |
| 101 | handleAllErrors( |
| 102 | Imported.takeError(), |
| 103 | [&ErrorText](const ImportError &Err) { ErrorText = Err.message(); }); |
| 104 | return testing::AssertionFailure() |
| 105 | << "Import failed, error: \"" << ErrorText << "\"!"; |
| 106 | } |
Gabor Marton | 19f4f39 | 2018-06-25 13:04:37 +0000 | [diff] [blame] | 107 | |
Balazs Keri | a1f6b10 | 2019-04-08 13:59:15 +0000 | [diff] [blame] | 108 | return Verifier.match(*Imported, WrapperMatcher); |
Gabor Marton | 19f4f39 | 2018-06-25 13:04:37 +0000 | [diff] [blame] | 109 | } |
| 110 | |
| 111 | template <typename NodeType> |
| 112 | testing::AssertionResult |
| 113 | testImport(const std::string &FromCode, const ArgVector &FromArgs, |
| 114 | const std::string &ToCode, const ArgVector &ToArgs, |
| 115 | MatchVerifier<NodeType> &Verifier, |
| 116 | const BindableMatcher<NodeType> &VerificationMatcher) { |
| 117 | return testImport( |
| 118 | FromCode, FromArgs, ToCode, ToArgs, Verifier, |
Benjamin Kramer | 4e3f4f0 | 2020-01-29 10:52:25 +0100 | [diff] [blame] | 119 | translationUnitDecl( |
| 120 | has(namedDecl(hasName(DeclToImportID)).bind(DeclToImportID))), |
Gabor Marton | 19f4f39 | 2018-06-25 13:04:37 +0000 | [diff] [blame] | 121 | VerificationMatcher); |
| 122 | } |
| 123 | |
Gabor Marton | 0b57ccb | 2019-02-07 16:52:48 +0000 | [diff] [blame] | 124 | protected: |
| 125 | ArgVector getExtraArgs() const override { return GetParam(); } |
| 126 | |
Gabor Marton | 19f4f39 | 2018-06-25 13:04:37 +0000 | [diff] [blame] | 127 | public: |
| 128 | |
| 129 | /// Test how AST node named "declToImport" located in the translation unit |
| 130 | /// of "FromCode" virtual file is imported to "ToCode" virtual file. |
| 131 | /// The verification is done by running AMatcher over the imported node. |
| 132 | template <typename NodeType, typename MatcherType> |
| 133 | void testImport(const std::string &FromCode, Language FromLang, |
| 134 | const std::string &ToCode, Language ToLang, |
| 135 | MatchVerifier<NodeType> &Verifier, |
| 136 | const MatcherType &AMatcher) { |
| 137 | ArgVector FromArgs = getArgVectorForLanguage(FromLang), |
| 138 | ToArgs = getArgVectorForLanguage(ToLang); |
| 139 | EXPECT_TRUE( |
| 140 | testImport(FromCode, FromArgs, ToCode, ToArgs, Verifier, AMatcher)); |
| 141 | } |
| 142 | |
| 143 | struct ImportAction { |
| 144 | StringRef FromFilename; |
| 145 | StringRef ToFilename; |
| 146 | // FIXME: Generalize this to support other node kinds. |
| 147 | BindableMatcher<Decl> ImportPredicate; |
| 148 | |
| 149 | ImportAction(StringRef FromFilename, StringRef ToFilename, |
| 150 | DeclarationMatcher ImportPredicate) |
| 151 | : FromFilename(FromFilename), ToFilename(ToFilename), |
| 152 | ImportPredicate(ImportPredicate) {} |
| 153 | |
| 154 | ImportAction(StringRef FromFilename, StringRef ToFilename, |
| 155 | const std::string &DeclName) |
| 156 | : FromFilename(FromFilename), ToFilename(ToFilename), |
| 157 | ImportPredicate(namedDecl(hasName(DeclName))) {} |
| 158 | }; |
| 159 | |
| 160 | using SingleASTUnit = std::unique_ptr<ASTUnit>; |
| 161 | using AllASTUnits = StringMap<SingleASTUnit>; |
| 162 | |
| 163 | struct CodeEntry { |
| 164 | std::string CodeSample; |
| 165 | Language Lang; |
| 166 | }; |
| 167 | |
| 168 | using CodeFiles = StringMap<CodeEntry>; |
| 169 | |
| 170 | /// Builds an ASTUnit for one potential compile options set. |
| 171 | SingleASTUnit createASTUnit(StringRef FileName, const CodeEntry &CE) const { |
| 172 | ArgVector Args = getArgVectorForLanguage(CE.Lang); |
| 173 | auto AST = tooling::buildASTFromCodeWithArgs(CE.CodeSample, Args, FileName); |
| 174 | EXPECT_TRUE(AST.get()); |
| 175 | return AST; |
| 176 | } |
| 177 | |
| 178 | /// Test an arbitrary sequence of imports for a set of given in-memory files. |
| 179 | /// The verification is done by running VerificationMatcher against a |
| 180 | /// specified AST node inside of one of given files. |
| 181 | /// \param CodeSamples Map whose key is the file name and the value is the |
| 182 | /// file content. |
| 183 | /// \param ImportActions Sequence of imports. Each import in sequence |
| 184 | /// specifies "from file" and "to file" and a matcher that is used for |
| 185 | /// searching a declaration for import in "from file". |
| 186 | /// \param FileForFinalCheck Name of virtual file for which the final check is |
| 187 | /// applied. |
| 188 | /// \param FinalSelectPredicate Matcher that specifies the AST node in the |
| 189 | /// FileForFinalCheck for which the verification will be done. |
| 190 | /// \param VerificationMatcher Matcher that will be used for verification |
| 191 | /// after all imports in sequence are done. |
| 192 | void testImportSequence(const CodeFiles &CodeSamples, |
| 193 | const std::vector<ImportAction> &ImportActions, |
| 194 | StringRef FileForFinalCheck, |
| 195 | BindableMatcher<Decl> FinalSelectPredicate, |
| 196 | BindableMatcher<Decl> VerificationMatcher) { |
| 197 | AllASTUnits AllASTs; |
| 198 | using ImporterKey = std::pair<const ASTUnit *, const ASTUnit *>; |
| 199 | llvm::DenseMap<ImporterKey, std::unique_ptr<ASTImporter>> Importers; |
| 200 | |
| 201 | auto GenASTsIfNeeded = [this, &AllASTs, &CodeSamples](StringRef Filename) { |
| 202 | if (!AllASTs.count(Filename)) { |
| 203 | auto Found = CodeSamples.find(Filename); |
| 204 | assert(Found != CodeSamples.end() && "Wrong file for import!"); |
| 205 | AllASTs[Filename] = createASTUnit(Filename, Found->getValue()); |
| 206 | } |
| 207 | }; |
| 208 | |
| 209 | for (const ImportAction &Action : ImportActions) { |
| 210 | StringRef FromFile = Action.FromFilename, ToFile = Action.ToFilename; |
| 211 | GenASTsIfNeeded(FromFile); |
| 212 | GenASTsIfNeeded(ToFile); |
| 213 | |
| 214 | ASTUnit *From = AllASTs[FromFile].get(); |
| 215 | ASTUnit *To = AllASTs[ToFile].get(); |
| 216 | |
| 217 | // Create a new importer if needed. |
| 218 | std::unique_ptr<ASTImporter> &ImporterRef = Importers[{From, To}]; |
| 219 | if (!ImporterRef) |
| 220 | ImporterRef.reset(new ASTImporter( |
| 221 | To->getASTContext(), To->getFileManager(), From->getASTContext(), |
| 222 | From->getFileManager(), false)); |
| 223 | |
| 224 | // Find the declaration and import it. |
| 225 | auto FoundDecl = match(Action.ImportPredicate.bind(DeclToImportID), |
| 226 | From->getASTContext()); |
| 227 | EXPECT_TRUE(FoundDecl.size() == 1); |
| 228 | const Decl *ToImport = selectFirst<Decl>(DeclToImportID, FoundDecl); |
| 229 | auto Imported = importNode(From, To, *ImporterRef, ToImport); |
Balazs Keri | a1f6b10 | 2019-04-08 13:59:15 +0000 | [diff] [blame] | 230 | EXPECT_TRUE(static_cast<bool>(Imported)); |
| 231 | if (!Imported) |
| 232 | llvm::consumeError(Imported.takeError()); |
Gabor Marton | 19f4f39 | 2018-06-25 13:04:37 +0000 | [diff] [blame] | 233 | } |
| 234 | |
| 235 | // Find the declaration and import it. |
| 236 | auto FoundDecl = match(FinalSelectPredicate.bind(DeclToVerifyID), |
| 237 | AllASTs[FileForFinalCheck]->getASTContext()); |
| 238 | EXPECT_TRUE(FoundDecl.size() == 1); |
| 239 | const Decl *ToVerify = selectFirst<Decl>(DeclToVerifyID, FoundDecl); |
| 240 | MatchVerifier<Decl> Verifier; |
| 241 | EXPECT_TRUE( |
| 242 | Verifier.match(ToVerify, BindableMatcher<Decl>(VerificationMatcher))); |
| 243 | } |
| 244 | }; |
Aleksei Sidorin | e45ab56 | 2017-12-21 17:41:06 +0000 | [diff] [blame] | 245 | |
Gabor Marton | f086fa8 | 2018-07-17 12:06:36 +0000 | [diff] [blame] | 246 | template <typename T> RecordDecl *getRecordDecl(T *D) { |
| 247 | auto *ET = cast<ElaboratedType>(D->getType().getTypePtr()); |
| 248 | return cast<RecordType>(ET->getNamedType().getTypePtr())->getDecl(); |
Nico Weber | b980b5c | 2018-07-17 14:20:02 +0000 | [diff] [blame] | 249 | } |
Gabor Marton | f086fa8 | 2018-07-17 12:06:36 +0000 | [diff] [blame] | 250 | |
Gabor Marton | bc5b7e2 | 2019-12-04 17:12:08 +0100 | [diff] [blame] | 251 | static const RecordDecl *getRecordDeclOfFriend(FriendDecl *FD) { |
| 252 | QualType Ty = FD->getFriendType()->getType().getCanonicalType(); |
| 253 | return cast<RecordType>(Ty)->getDecl(); |
| 254 | } |
| 255 | |
Gabor Marton | 19f4f39 | 2018-06-25 13:04:37 +0000 | [diff] [blame] | 256 | struct ImportExpr : TestImportBase {}; |
| 257 | struct ImportType : TestImportBase {}; |
| 258 | struct ImportDecl : TestImportBase {}; |
Vince Bridgers | 789215d | 2020-04-06 08:22:35 -0500 | [diff] [blame] | 259 | struct ImportFixedPointExpr : ImportExpr {}; |
Aleksei Sidorin | 04fbffc | 2018-04-24 10:11:53 +0000 | [diff] [blame] | 260 | |
Gabor Marton | 0b57ccb | 2019-02-07 16:52:48 +0000 | [diff] [blame] | 261 | struct CanonicalRedeclChain : ASTImporterOptionSpecificTestBase {}; |
Gabor Marton | 5254e64 | 2018-06-27 13:32:50 +0000 | [diff] [blame] | 262 | |
| 263 | TEST_P(CanonicalRedeclChain, ShouldBeConsequentWithMatchers) { |
| 264 | Decl *FromTU = getTuDecl("void f();", Lang_CXX); |
| 265 | auto Pattern = functionDecl(hasName("f")); |
| 266 | auto *D0 = FirstDeclMatcher<FunctionDecl>().match(FromTU, Pattern); |
| 267 | |
| 268 | auto Redecls = getCanonicalForwardRedeclChain(D0); |
| 269 | ASSERT_EQ(Redecls.size(), 1u); |
| 270 | EXPECT_EQ(D0, Redecls[0]); |
| 271 | } |
| 272 | |
| 273 | TEST_P(CanonicalRedeclChain, ShouldBeConsequentWithMatchers2) { |
| 274 | Decl *FromTU = getTuDecl("void f(); void f(); void f();", Lang_CXX); |
| 275 | auto Pattern = functionDecl(hasName("f")); |
| 276 | auto *D0 = FirstDeclMatcher<FunctionDecl>().match(FromTU, Pattern); |
| 277 | auto *D2 = LastDeclMatcher<FunctionDecl>().match(FromTU, Pattern); |
| 278 | FunctionDecl *D1 = D2->getPreviousDecl(); |
| 279 | |
| 280 | auto Redecls = getCanonicalForwardRedeclChain(D0); |
| 281 | ASSERT_EQ(Redecls.size(), 3u); |
| 282 | EXPECT_EQ(D0, Redecls[0]); |
| 283 | EXPECT_EQ(D1, Redecls[1]); |
| 284 | EXPECT_EQ(D2, Redecls[2]); |
| 285 | } |
| 286 | |
| 287 | TEST_P(CanonicalRedeclChain, ShouldBeSameForAllDeclInTheChain) { |
| 288 | Decl *FromTU = getTuDecl("void f(); void f(); void f();", Lang_CXX); |
| 289 | auto Pattern = functionDecl(hasName("f")); |
| 290 | auto *D0 = FirstDeclMatcher<FunctionDecl>().match(FromTU, Pattern); |
| 291 | auto *D2 = LastDeclMatcher<FunctionDecl>().match(FromTU, Pattern); |
| 292 | FunctionDecl *D1 = D2->getPreviousDecl(); |
| 293 | |
| 294 | auto RedeclsD0 = getCanonicalForwardRedeclChain(D0); |
| 295 | auto RedeclsD1 = getCanonicalForwardRedeclChain(D1); |
| 296 | auto RedeclsD2 = getCanonicalForwardRedeclChain(D2); |
| 297 | |
| 298 | EXPECT_THAT(RedeclsD0, ::testing::ContainerEq(RedeclsD1)); |
| 299 | EXPECT_THAT(RedeclsD1, ::testing::ContainerEq(RedeclsD2)); |
| 300 | } |
| 301 | |
Raphael Isemann | e9bc35f | 2019-04-29 21:02:35 +0000 | [diff] [blame] | 302 | namespace { |
| 303 | struct RedirectingImporter : public ASTImporter { |
| 304 | using ASTImporter::ASTImporter; |
| 305 | |
| 306 | protected: |
| 307 | llvm::Expected<Decl *> ImportImpl(Decl *FromD) override { |
| 308 | auto *ND = dyn_cast<NamedDecl>(FromD); |
| 309 | if (!ND || ND->getName() != "shouldNotBeImported") |
| 310 | return ASTImporter::ImportImpl(FromD); |
| 311 | for (Decl *D : getToContext().getTranslationUnitDecl()->decls()) { |
| 312 | if (auto *ND = dyn_cast<NamedDecl>(D)) |
| 313 | if (ND->getName() == "realDecl") { |
| 314 | RegisterImportedDecl(FromD, ND); |
| 315 | return ND; |
| 316 | } |
| 317 | } |
| 318 | return ASTImporter::ImportImpl(FromD); |
| 319 | } |
| 320 | }; |
| 321 | |
| 322 | } // namespace |
| 323 | |
| 324 | struct RedirectingImporterTest : ASTImporterOptionSpecificTestBase { |
| 325 | RedirectingImporterTest() { |
| 326 | Creator = [](ASTContext &ToContext, FileManager &ToFileManager, |
| 327 | ASTContext &FromContext, FileManager &FromFileManager, |
Gabor Marton | 2afbfb6 | 2019-07-01 15:37:07 +0000 | [diff] [blame] | 328 | bool MinimalImport, |
| 329 | const std::shared_ptr<ASTImporterSharedState> &SharedState) { |
Raphael Isemann | e9bc35f | 2019-04-29 21:02:35 +0000 | [diff] [blame] | 330 | return new RedirectingImporter(ToContext, ToFileManager, FromContext, |
| 331 | FromFileManager, MinimalImport, |
Gabor Marton | 2afbfb6 | 2019-07-01 15:37:07 +0000 | [diff] [blame] | 332 | SharedState); |
Raphael Isemann | e9bc35f | 2019-04-29 21:02:35 +0000 | [diff] [blame] | 333 | }; |
| 334 | } |
| 335 | }; |
| 336 | |
| 337 | // Test that an ASTImporter subclass can intercept an import call. |
| 338 | TEST_P(RedirectingImporterTest, InterceptImport) { |
| 339 | Decl *From, *To; |
| 340 | std::tie(From, To) = |
| 341 | getImportedDecl("class shouldNotBeImported {};", Lang_CXX, |
| 342 | "class realDecl {};", Lang_CXX, "shouldNotBeImported"); |
| 343 | auto *Imported = cast<CXXRecordDecl>(To); |
| 344 | EXPECT_EQ(Imported->getQualifiedNameAsString(), "realDecl"); |
| 345 | |
| 346 | // Make sure our importer prevented the importing of the decl. |
| 347 | auto *ToTU = Imported->getTranslationUnitDecl(); |
| 348 | auto Pattern = functionDecl(hasName("shouldNotBeImported")); |
| 349 | unsigned count = |
| 350 | DeclCounterWithPredicate<CXXRecordDecl>().match(ToTU, Pattern); |
| 351 | EXPECT_EQ(0U, count); |
| 352 | } |
| 353 | |
| 354 | // Test that when we indirectly import a declaration the custom ASTImporter |
| 355 | // is still intercepting the import. |
| 356 | TEST_P(RedirectingImporterTest, InterceptIndirectImport) { |
| 357 | Decl *From, *To; |
| 358 | std::tie(From, To) = |
| 359 | getImportedDecl("class shouldNotBeImported {};" |
| 360 | "class F { shouldNotBeImported f; };", |
| 361 | Lang_CXX, "class realDecl {};", Lang_CXX, "F"); |
| 362 | |
| 363 | // Make sure our ASTImporter prevented the importing of the decl. |
| 364 | auto *ToTU = To->getTranslationUnitDecl(); |
| 365 | auto Pattern = functionDecl(hasName("shouldNotBeImported")); |
| 366 | unsigned count = |
| 367 | DeclCounterWithPredicate<CXXRecordDecl>().match(ToTU, Pattern); |
| 368 | EXPECT_EQ(0U, count); |
| 369 | } |
| 370 | |
Gabor Marton | 1ad4b99 | 2019-07-01 14:19:53 +0000 | [diff] [blame] | 371 | struct ImportPath : ASTImporterOptionSpecificTestBase { |
| 372 | Decl *FromTU; |
| 373 | FunctionDecl *D0, *D1, *D2; |
| 374 | ImportPath() { |
| 375 | FromTU = getTuDecl("void f(); void f(); void f();", Lang_CXX); |
| 376 | auto Pattern = functionDecl(hasName("f")); |
| 377 | D0 = FirstDeclMatcher<FunctionDecl>().match(FromTU, Pattern); |
| 378 | D2 = LastDeclMatcher<FunctionDecl>().match(FromTU, Pattern); |
| 379 | D1 = D2->getPreviousDecl(); |
| 380 | } |
| 381 | }; |
| 382 | |
| 383 | TEST_P(ImportPath, Push) { |
| 384 | ASTImporter::ImportPathTy path; |
| 385 | path.push(D0); |
| 386 | EXPECT_FALSE(path.hasCycleAtBack()); |
| 387 | } |
| 388 | |
| 389 | TEST_P(ImportPath, SmallCycle) { |
| 390 | ASTImporter::ImportPathTy path; |
| 391 | path.push(D0); |
| 392 | path.push(D0); |
| 393 | EXPECT_TRUE(path.hasCycleAtBack()); |
| 394 | path.pop(); |
| 395 | EXPECT_FALSE(path.hasCycleAtBack()); |
| 396 | path.push(D0); |
| 397 | EXPECT_TRUE(path.hasCycleAtBack()); |
| 398 | } |
| 399 | |
| 400 | TEST_P(ImportPath, GetSmallCycle) { |
| 401 | ASTImporter::ImportPathTy path; |
| 402 | path.push(D0); |
| 403 | path.push(D0); |
| 404 | EXPECT_TRUE(path.hasCycleAtBack()); |
| 405 | std::array<Decl* ,2> Res; |
| 406 | int i = 0; |
| 407 | for (Decl *Di : path.getCycleAtBack()) { |
| 408 | Res[i++] = Di; |
| 409 | } |
| 410 | ASSERT_EQ(i, 2); |
| 411 | EXPECT_EQ(Res[0], D0); |
| 412 | EXPECT_EQ(Res[1], D0); |
| 413 | } |
| 414 | |
| 415 | TEST_P(ImportPath, GetCycle) { |
| 416 | ASTImporter::ImportPathTy path; |
| 417 | path.push(D0); |
| 418 | path.push(D1); |
| 419 | path.push(D2); |
| 420 | path.push(D0); |
| 421 | EXPECT_TRUE(path.hasCycleAtBack()); |
| 422 | std::array<Decl* ,4> Res; |
| 423 | int i = 0; |
| 424 | for (Decl *Di : path.getCycleAtBack()) { |
| 425 | Res[i++] = Di; |
| 426 | } |
| 427 | ASSERT_EQ(i, 4); |
| 428 | EXPECT_EQ(Res[0], D0); |
| 429 | EXPECT_EQ(Res[1], D2); |
| 430 | EXPECT_EQ(Res[2], D1); |
| 431 | EXPECT_EQ(Res[3], D0); |
| 432 | } |
| 433 | |
| 434 | TEST_P(ImportPath, CycleAfterCycle) { |
| 435 | ASTImporter::ImportPathTy path; |
| 436 | path.push(D0); |
| 437 | path.push(D1); |
| 438 | path.push(D0); |
| 439 | path.push(D1); |
| 440 | path.push(D2); |
| 441 | path.push(D0); |
| 442 | EXPECT_TRUE(path.hasCycleAtBack()); |
| 443 | std::array<Decl* ,4> Res; |
| 444 | int i = 0; |
| 445 | for (Decl *Di : path.getCycleAtBack()) { |
| 446 | Res[i++] = Di; |
| 447 | } |
| 448 | ASSERT_EQ(i, 4); |
| 449 | EXPECT_EQ(Res[0], D0); |
| 450 | EXPECT_EQ(Res[1], D2); |
| 451 | EXPECT_EQ(Res[2], D1); |
| 452 | EXPECT_EQ(Res[3], D0); |
| 453 | |
| 454 | path.pop(); |
| 455 | path.pop(); |
| 456 | path.pop(); |
| 457 | EXPECT_TRUE(path.hasCycleAtBack()); |
| 458 | i = 0; |
| 459 | for (Decl *Di : path.getCycleAtBack()) { |
| 460 | Res[i++] = Di; |
| 461 | } |
| 462 | ASSERT_EQ(i, 3); |
| 463 | EXPECT_EQ(Res[0], D0); |
| 464 | EXPECT_EQ(Res[1], D1); |
| 465 | EXPECT_EQ(Res[2], D0); |
| 466 | |
| 467 | path.pop(); |
| 468 | EXPECT_FALSE(path.hasCycleAtBack()); |
| 469 | } |
| 470 | |
Gabor Marton | 19f4f39 | 2018-06-25 13:04:37 +0000 | [diff] [blame] | 471 | TEST_P(ImportExpr, ImportStringLiteral) { |
Artem Dergachev | 4e7c6fd | 2016-04-14 11:51:27 +0000 | [diff] [blame] | 472 | MatchVerifier<Decl> Verifier; |
Gabor Marton | 1f6ad14 | 2018-06-29 10:25:19 +0000 | [diff] [blame] | 473 | testImport( |
| 474 | "void declToImport() { (void)\"foo\"; }", |
| 475 | Lang_CXX, "", Lang_CXX, Verifier, |
| 476 | functionDecl(hasDescendant( |
| 477 | stringLiteral(hasType(asString("const char [4]")))))); |
| 478 | testImport( |
| 479 | "void declToImport() { (void)L\"foo\"; }", |
| 480 | Lang_CXX, "", Lang_CXX, Verifier, |
| 481 | functionDecl(hasDescendant( |
| 482 | stringLiteral(hasType(asString("const wchar_t [4]")))))); |
| 483 | testImport( |
| 484 | "void declToImport() { (void) \"foo\" \"bar\"; }", |
| 485 | Lang_CXX, "", Lang_CXX, Verifier, |
| 486 | functionDecl(hasDescendant( |
| 487 | stringLiteral(hasType(asString("const char [7]")))))); |
Artem Dergachev | 4e7c6fd | 2016-04-14 11:51:27 +0000 | [diff] [blame] | 488 | } |
| 489 | |
Tom Roeder | 521f004 | 2019-02-26 19:26:41 +0000 | [diff] [blame] | 490 | TEST_P(ImportExpr, ImportChooseExpr) { |
| 491 | MatchVerifier<Decl> Verifier; |
| 492 | |
| 493 | // This case tests C code that is not condition-dependent and has a true |
| 494 | // condition. |
| 495 | testImport( |
| 496 | "void declToImport() { (void)__builtin_choose_expr(1, 2, 3); }", |
| 497 | Lang_C, "", Lang_C, Verifier, |
| 498 | functionDecl(hasDescendant(chooseExpr()))); |
| 499 | } |
| 500 | |
Gabor Marton | 19f4f39 | 2018-06-25 13:04:37 +0000 | [diff] [blame] | 501 | TEST_P(ImportExpr, ImportGNUNullExpr) { |
Artem Dergachev | 4e7c6fd | 2016-04-14 11:51:27 +0000 | [diff] [blame] | 502 | MatchVerifier<Decl> Verifier; |
Gabor Marton | 1f6ad14 | 2018-06-29 10:25:19 +0000 | [diff] [blame] | 503 | testImport( |
| 504 | "void declToImport() { (void)__null; }", |
| 505 | Lang_CXX, "", Lang_CXX, Verifier, |
| 506 | functionDecl(hasDescendant(gnuNullExpr(hasType(isInteger()))))); |
Artem Dergachev | 4e7c6fd | 2016-04-14 11:51:27 +0000 | [diff] [blame] | 507 | } |
| 508 | |
Gabor Marton | 19f4f39 | 2018-06-25 13:04:37 +0000 | [diff] [blame] | 509 | TEST_P(ImportExpr, ImportCXXNullPtrLiteralExpr) { |
Artem Dergachev | 4e7c6fd | 2016-04-14 11:51:27 +0000 | [diff] [blame] | 510 | MatchVerifier<Decl> Verifier; |
Gabor Marton | 1f6ad14 | 2018-06-29 10:25:19 +0000 | [diff] [blame] | 511 | testImport( |
| 512 | "void declToImport() { (void)nullptr; }", |
| 513 | Lang_CXX11, "", Lang_CXX11, Verifier, |
| 514 | functionDecl(hasDescendant(cxxNullPtrLiteralExpr()))); |
Artem Dergachev | 4e7c6fd | 2016-04-14 11:51:27 +0000 | [diff] [blame] | 515 | } |
| 516 | |
| 517 | |
Gabor Marton | 19f4f39 | 2018-06-25 13:04:37 +0000 | [diff] [blame] | 518 | TEST_P(ImportExpr, ImportFloatinglLiteralExpr) { |
Artem Dergachev | 4e7c6fd | 2016-04-14 11:51:27 +0000 | [diff] [blame] | 519 | MatchVerifier<Decl> Verifier; |
Gabor Marton | 1f6ad14 | 2018-06-29 10:25:19 +0000 | [diff] [blame] | 520 | testImport( |
| 521 | "void declToImport() { (void)1.0; }", |
| 522 | Lang_C, "", Lang_C, Verifier, |
| 523 | functionDecl(hasDescendant( |
| 524 | floatLiteral(equals(1.0), hasType(asString("double")))))); |
| 525 | testImport( |
| 526 | "void declToImport() { (void)1.0e-5f; }", |
| 527 | Lang_C, "", Lang_C, Verifier, |
| 528 | functionDecl(hasDescendant( |
| 529 | floatLiteral(equals(1.0e-5f), hasType(asString("float")))))); |
Artem Dergachev | 4e7c6fd | 2016-04-14 11:51:27 +0000 | [diff] [blame] | 530 | } |
| 531 | |
Vince Bridgers | 789215d | 2020-04-06 08:22:35 -0500 | [diff] [blame] | 532 | TEST_P(ImportFixedPointExpr, ImportFixedPointerLiteralExpr) { |
| 533 | MatchVerifier<Decl> Verifier; |
| 534 | testImport("void declToImport() { (void)1.0k; }", Lang_C, "", Lang_C, |
| 535 | Verifier, functionDecl(hasDescendant(fixedPointLiteral()))); |
| 536 | testImport("void declToImport() { (void)0.75r; }", Lang_C, "", Lang_C, |
| 537 | Verifier, functionDecl(hasDescendant(fixedPointLiteral()))); |
| 538 | } |
| 539 | |
Gabor Marton | bf7f18b | 2018-08-09 12:18:07 +0000 | [diff] [blame] | 540 | TEST_P(ImportExpr, ImportImaginaryLiteralExpr) { |
| 541 | MatchVerifier<Decl> Verifier; |
| 542 | testImport( |
| 543 | "void declToImport() { (void)1.0i; }", |
| 544 | Lang_CXX14, "", Lang_CXX14, Verifier, |
| 545 | functionDecl(hasDescendant(imaginaryLiteral()))); |
| 546 | } |
| 547 | |
Gabor Marton | 19f4f39 | 2018-06-25 13:04:37 +0000 | [diff] [blame] | 548 | TEST_P(ImportExpr, ImportCompoundLiteralExpr) { |
Artem Dergachev | 4e7c6fd | 2016-04-14 11:51:27 +0000 | [diff] [blame] | 549 | MatchVerifier<Decl> Verifier; |
Gabor Marton | 1f6ad14 | 2018-06-29 10:25:19 +0000 | [diff] [blame] | 550 | testImport( |
| 551 | "void declToImport() {" |
| 552 | " struct s { int x; long y; unsigned z; }; " |
| 553 | " (void)(struct s){ 42, 0L, 1U }; }", |
| 554 | Lang_CXX, "", Lang_CXX, Verifier, |
| 555 | functionDecl(hasDescendant( |
| 556 | compoundLiteralExpr( |
| 557 | hasType(asString("struct s")), |
| 558 | has(initListExpr( |
| 559 | hasType(asString("struct s")), |
| 560 | has(integerLiteral( |
| 561 | equals(42), hasType(asString("int")))), |
| 562 | has(integerLiteral( |
| 563 | equals(0), hasType(asString("long")))), |
| 564 | has(integerLiteral( |
| 565 | equals(1), hasType(asString("unsigned int")))))))))); |
Artem Dergachev | 4e7c6fd | 2016-04-14 11:51:27 +0000 | [diff] [blame] | 566 | } |
| 567 | |
Gabor Marton | 19f4f39 | 2018-06-25 13:04:37 +0000 | [diff] [blame] | 568 | TEST_P(ImportExpr, ImportCXXThisExpr) { |
Artem Dergachev | 4e7c6fd | 2016-04-14 11:51:27 +0000 | [diff] [blame] | 569 | MatchVerifier<Decl> Verifier; |
Gabor Marton | 1f6ad14 | 2018-06-29 10:25:19 +0000 | [diff] [blame] | 570 | testImport( |
| 571 | "class declToImport { void f() { (void)this; } };", |
| 572 | Lang_CXX, "", Lang_CXX, Verifier, |
| 573 | cxxRecordDecl( |
| 574 | hasMethod( |
| 575 | hasDescendant( |
| 576 | cxxThisExpr( |
| 577 | hasType( |
| 578 | asString("class declToImport *"))))))); |
Artem Dergachev | 4e7c6fd | 2016-04-14 11:51:27 +0000 | [diff] [blame] | 579 | } |
| 580 | |
Gabor Marton | 19f4f39 | 2018-06-25 13:04:37 +0000 | [diff] [blame] | 581 | TEST_P(ImportExpr, ImportAtomicExpr) { |
Artem Dergachev | 4e7c6fd | 2016-04-14 11:51:27 +0000 | [diff] [blame] | 582 | MatchVerifier<Decl> Verifier; |
Gabor Marton | 1f6ad14 | 2018-06-29 10:25:19 +0000 | [diff] [blame] | 583 | testImport( |
| 584 | "void declToImport() { int *ptr; __atomic_load_n(ptr, 1); }", |
| 585 | Lang_C, "", Lang_C, Verifier, |
| 586 | functionDecl(hasDescendant( |
| 587 | atomicExpr( |
| 588 | has(ignoringParenImpCasts( |
| 589 | declRefExpr(hasDeclaration(varDecl(hasName("ptr"))), |
| 590 | hasType(asString("int *"))))), |
| 591 | has(integerLiteral(equals(1), hasType(asString("int")))))))); |
Artem Dergachev | 4e7c6fd | 2016-04-14 11:51:27 +0000 | [diff] [blame] | 592 | } |
| 593 | |
Gabor Marton | 19f4f39 | 2018-06-25 13:04:37 +0000 | [diff] [blame] | 594 | TEST_P(ImportExpr, ImportLabelDeclAndAddrLabelExpr) { |
Artem Dergachev | 4e7c6fd | 2016-04-14 11:51:27 +0000 | [diff] [blame] | 595 | MatchVerifier<Decl> Verifier; |
Aleksei Sidorin | e45ab56 | 2017-12-21 17:41:06 +0000 | [diff] [blame] | 596 | testImport( |
Gabor Marton | 1f6ad14 | 2018-06-29 10:25:19 +0000 | [diff] [blame] | 597 | "void declToImport() { loop: goto loop; (void)&&loop; }", |
| 598 | Lang_C, "", Lang_C, Verifier, |
| 599 | functionDecl( |
| 600 | hasDescendant( |
| 601 | labelStmt(hasDeclaration(labelDecl(hasName("loop"))))), |
| 602 | hasDescendant( |
| 603 | addrLabelExpr(hasDeclaration(labelDecl(hasName("loop"))))))); |
Artem Dergachev | 4e7c6fd | 2016-04-14 11:51:27 +0000 | [diff] [blame] | 604 | } |
| 605 | |
| 606 | AST_MATCHER_P(TemplateDecl, hasTemplateDecl, |
| 607 | internal::Matcher<NamedDecl>, InnerMatcher) { |
| 608 | const NamedDecl *Template = Node.getTemplatedDecl(); |
| 609 | return Template && InnerMatcher.matches(*Template, Finder, Builder); |
| 610 | } |
| 611 | |
Gabor Marton | 19f4f39 | 2018-06-25 13:04:37 +0000 | [diff] [blame] | 612 | TEST_P(ImportExpr, ImportParenListExpr) { |
Artem Dergachev | 4e7c6fd | 2016-04-14 11:51:27 +0000 | [diff] [blame] | 613 | MatchVerifier<Decl> Verifier; |
Aleksei Sidorin | e45ab56 | 2017-12-21 17:41:06 +0000 | [diff] [blame] | 614 | testImport( |
Manuel Klimek | 696e505 | 2017-08-02 13:04:44 +0000 | [diff] [blame] | 615 | "template<typename T> class dummy { void f() { dummy X(*this); } };" |
| 616 | "typedef dummy<int> declToImport;" |
| 617 | "template class dummy<int>;", |
| 618 | Lang_CXX, "", Lang_CXX, Verifier, |
| 619 | typedefDecl(hasType(templateSpecializationType( |
| 620 | hasDeclaration(classTemplateSpecializationDecl(hasSpecializedTemplate( |
| 621 | classTemplateDecl(hasTemplateDecl(cxxRecordDecl(hasMethod(allOf( |
| 622 | hasName("f"), |
| 623 | hasBody(compoundStmt(has(declStmt(hasSingleDecl( |
| 624 | varDecl(hasInitializer(parenListExpr(has(unaryOperator( |
| 625 | hasOperatorName("*"), |
Aleksei Sidorin | e45ab56 | 2017-12-21 17:41:06 +0000 | [diff] [blame] | 626 | hasUnaryOperand(cxxThisExpr()))))))))))))))))))))))); |
Artem Dergachev | 4e7c6fd | 2016-04-14 11:51:27 +0000 | [diff] [blame] | 627 | } |
| 628 | |
Gabor Marton | 19f4f39 | 2018-06-25 13:04:37 +0000 | [diff] [blame] | 629 | TEST_P(ImportExpr, ImportSwitch) { |
Gabor Horvath | 480892b | 2017-10-18 09:25:18 +0000 | [diff] [blame] | 630 | MatchVerifier<Decl> Verifier; |
Gabor Marton | 1f6ad14 | 2018-06-29 10:25:19 +0000 | [diff] [blame] | 631 | testImport( |
| 632 | "void declToImport() { int b; switch (b) { case 1: break; } }", |
| 633 | Lang_C, "", Lang_C, Verifier, |
| 634 | functionDecl(hasDescendant( |
| 635 | switchStmt(has(compoundStmt(has(caseStmt()))))))); |
Gabor Horvath | 480892b | 2017-10-18 09:25:18 +0000 | [diff] [blame] | 636 | } |
| 637 | |
Gabor Marton | 19f4f39 | 2018-06-25 13:04:37 +0000 | [diff] [blame] | 638 | TEST_P(ImportExpr, ImportStmtExpr) { |
Artem Dergachev | 4e7c6fd | 2016-04-14 11:51:27 +0000 | [diff] [blame] | 639 | MatchVerifier<Decl> Verifier; |
Aleksei Sidorin | e45ab56 | 2017-12-21 17:41:06 +0000 | [diff] [blame] | 640 | testImport( |
| 641 | "void declToImport() { int b; int a = b ?: 1; int C = ({int X=4; X;}); }", |
| 642 | Lang_C, "", Lang_C, Verifier, |
Gabor Marton | 1f6ad14 | 2018-06-29 10:25:19 +0000 | [diff] [blame] | 643 | functionDecl(hasDescendant( |
| 644 | varDecl( |
| 645 | hasName("C"), |
| 646 | hasType(asString("int")), |
| 647 | hasInitializer( |
| 648 | stmtExpr( |
| 649 | hasAnySubstatement(declStmt(hasSingleDecl( |
| 650 | varDecl( |
| 651 | hasName("X"), |
| 652 | hasType(asString("int")), |
| 653 | hasInitializer( |
Aleksei Sidorin | e45ab56 | 2017-12-21 17:41:06 +0000 | [diff] [blame] | 654 | integerLiteral(equals(4))))))), |
Gabor Marton | 1f6ad14 | 2018-06-29 10:25:19 +0000 | [diff] [blame] | 655 | hasDescendant( |
| 656 | implicitCastExpr()))))))); |
Artem Dergachev | 4e7c6fd | 2016-04-14 11:51:27 +0000 | [diff] [blame] | 657 | } |
| 658 | |
Gabor Marton | 19f4f39 | 2018-06-25 13:04:37 +0000 | [diff] [blame] | 659 | TEST_P(ImportExpr, ImportConditionalOperator) { |
Artem Dergachev | 4e7c6fd | 2016-04-14 11:51:27 +0000 | [diff] [blame] | 660 | MatchVerifier<Decl> Verifier; |
Aleksei Sidorin | e45ab56 | 2017-12-21 17:41:06 +0000 | [diff] [blame] | 661 | testImport( |
Gabor Marton | 1f6ad14 | 2018-06-29 10:25:19 +0000 | [diff] [blame] | 662 | "void declToImport() { (void)(true ? 1 : -5); }", |
| 663 | Lang_CXX, "", Lang_CXX, Verifier, |
| 664 | functionDecl(hasDescendant( |
| 665 | conditionalOperator( |
Aleksei Sidorin | e45ab56 | 2017-12-21 17:41:06 +0000 | [diff] [blame] | 666 | hasCondition(cxxBoolLiteral(equals(true))), |
| 667 | hasTrueExpression(integerLiteral(equals(1))), |
| 668 | hasFalseExpression( |
Gabor Marton | 1f6ad14 | 2018-06-29 10:25:19 +0000 | [diff] [blame] | 669 | unaryOperator(hasUnaryOperand(integerLiteral(equals(5)))))) |
| 670 | ))); |
Artem Dergachev | 4e7c6fd | 2016-04-14 11:51:27 +0000 | [diff] [blame] | 671 | } |
| 672 | |
Gabor Marton | 19f4f39 | 2018-06-25 13:04:37 +0000 | [diff] [blame] | 673 | TEST_P(ImportExpr, ImportBinaryConditionalOperator) { |
Artem Dergachev | 4e7c6fd | 2016-04-14 11:51:27 +0000 | [diff] [blame] | 674 | MatchVerifier<Decl> Verifier; |
Aleksei Sidorin | e45ab56 | 2017-12-21 17:41:06 +0000 | [diff] [blame] | 675 | testImport( |
Gabor Marton | 1f6ad14 | 2018-06-29 10:25:19 +0000 | [diff] [blame] | 676 | "void declToImport() { (void)(1 ?: -5); }", |
| 677 | Lang_CXX, "", Lang_CXX, Verifier, |
| 678 | functionDecl(hasDescendant( |
| 679 | binaryConditionalOperator( |
Aleksei Sidorin | e45ab56 | 2017-12-21 17:41:06 +0000 | [diff] [blame] | 680 | hasCondition( |
Gabor Marton | 1f6ad14 | 2018-06-29 10:25:19 +0000 | [diff] [blame] | 681 | implicitCastExpr( |
| 682 | hasSourceExpression(opaqueValueExpr( |
| 683 | hasSourceExpression(integerLiteral(equals(1))))), |
| 684 | hasType(booleanType()))), |
Aleksei Sidorin | e45ab56 | 2017-12-21 17:41:06 +0000 | [diff] [blame] | 685 | hasTrueExpression( |
Gabor Marton | 1f6ad14 | 2018-06-29 10:25:19 +0000 | [diff] [blame] | 686 | opaqueValueExpr( |
| 687 | hasSourceExpression(integerLiteral(equals(1))))), |
Aleksei Sidorin | e45ab56 | 2017-12-21 17:41:06 +0000 | [diff] [blame] | 688 | hasFalseExpression( |
Gabor Marton | 1f6ad14 | 2018-06-29 10:25:19 +0000 | [diff] [blame] | 689 | unaryOperator( |
| 690 | hasOperatorName("-"), |
| 691 | hasUnaryOperand(integerLiteral(equals(5))))))))); |
Artem Dergachev | 4e7c6fd | 2016-04-14 11:51:27 +0000 | [diff] [blame] | 692 | } |
| 693 | |
Gabor Marton | 19f4f39 | 2018-06-25 13:04:37 +0000 | [diff] [blame] | 694 | TEST_P(ImportExpr, ImportDesignatedInitExpr) { |
Artem Dergachev | 4e7c6fd | 2016-04-14 11:51:27 +0000 | [diff] [blame] | 695 | MatchVerifier<Decl> Verifier; |
Gabor Marton | 1f6ad14 | 2018-06-29 10:25:19 +0000 | [diff] [blame] | 696 | testImport( |
| 697 | "void declToImport() {" |
| 698 | " struct point { double x; double y; };" |
| 699 | " struct point ptarray[10] = " |
| 700 | "{ [2].y = 1.0, [2].x = 2.0, [0].x = 1.0 }; }", |
| 701 | Lang_C, "", Lang_C, Verifier, |
| 702 | functionDecl(hasDescendant( |
| 703 | initListExpr( |
| 704 | has(designatedInitExpr( |
| 705 | designatorCountIs(2), |
Bill Wendling | 8003edc | 2018-11-09 00:41:36 +0000 | [diff] [blame] | 706 | hasDescendant(floatLiteral(equals(1.0))), |
| 707 | hasDescendant(integerLiteral(equals(2))))), |
Gabor Marton | 1f6ad14 | 2018-06-29 10:25:19 +0000 | [diff] [blame] | 708 | has(designatedInitExpr( |
| 709 | designatorCountIs(2), |
Bill Wendling | 8003edc | 2018-11-09 00:41:36 +0000 | [diff] [blame] | 710 | hasDescendant(floatLiteral(equals(2.0))), |
| 711 | hasDescendant(integerLiteral(equals(2))))), |
Gabor Marton | 1f6ad14 | 2018-06-29 10:25:19 +0000 | [diff] [blame] | 712 | has(designatedInitExpr( |
| 713 | designatorCountIs(2), |
Bill Wendling | 8003edc | 2018-11-09 00:41:36 +0000 | [diff] [blame] | 714 | hasDescendant(floatLiteral(equals(1.0))), |
| 715 | hasDescendant(integerLiteral(equals(0))))))))); |
Artem Dergachev | 4e7c6fd | 2016-04-14 11:51:27 +0000 | [diff] [blame] | 716 | } |
| 717 | |
Gabor Marton | 19f4f39 | 2018-06-25 13:04:37 +0000 | [diff] [blame] | 718 | TEST_P(ImportExpr, ImportPredefinedExpr) { |
Artem Dergachev | 4e7c6fd | 2016-04-14 11:51:27 +0000 | [diff] [blame] | 719 | MatchVerifier<Decl> Verifier; |
| 720 | // __func__ expands as StringLiteral("declToImport") |
Gabor Marton | 1f6ad14 | 2018-06-29 10:25:19 +0000 | [diff] [blame] | 721 | testImport( |
| 722 | "void declToImport() { (void)__func__; }", |
| 723 | Lang_CXX, "", Lang_CXX, Verifier, |
| 724 | functionDecl(hasDescendant( |
| 725 | predefinedExpr( |
| 726 | hasType( |
| 727 | asString("const char [13]")), |
| 728 | has(stringLiteral(hasType( |
| 729 | asString("const char [13]")))))))); |
Artem Dergachev | 4e7c6fd | 2016-04-14 11:51:27 +0000 | [diff] [blame] | 730 | } |
| 731 | |
Gabor Marton | 19f4f39 | 2018-06-25 13:04:37 +0000 | [diff] [blame] | 732 | TEST_P(ImportExpr, ImportInitListExpr) { |
Artem Dergachev | 4e7c6fd | 2016-04-14 11:51:27 +0000 | [diff] [blame] | 733 | MatchVerifier<Decl> Verifier; |
Aleksei Sidorin | e45ab56 | 2017-12-21 17:41:06 +0000 | [diff] [blame] | 734 | testImport( |
Gabor Marton | 1f6ad14 | 2018-06-29 10:25:19 +0000 | [diff] [blame] | 735 | "void declToImport() {" |
| 736 | " struct point { double x; double y; };" |
| 737 | " point ptarray[10] = { [2].y = 1.0, [2].x = 2.0," |
| 738 | " [0].x = 1.0 }; }", |
| 739 | Lang_CXX, "", Lang_CXX, Verifier, |
| 740 | functionDecl(hasDescendant( |
| 741 | initListExpr( |
| 742 | has( |
| 743 | cxxConstructExpr( |
| 744 | requiresZeroInitialization())), |
| 745 | has( |
| 746 | initListExpr( |
| 747 | hasType(asString("struct point")), |
| 748 | has(floatLiteral(equals(1.0))), |
| 749 | has(implicitValueInitExpr( |
| 750 | hasType(asString("double")))))), |
| 751 | has( |
| 752 | initListExpr( |
| 753 | hasType(asString("struct point")), |
| 754 | has(floatLiteral(equals(2.0))), |
| 755 | has(floatLiteral(equals(1.0))))))))); |
Artem Dergachev | 4e7c6fd | 2016-04-14 11:51:27 +0000 | [diff] [blame] | 756 | } |
| 757 | |
| 758 | |
Aleksei Sidorin | a693b37 | 2016-09-28 10:16:56 +0000 | [diff] [blame] | 759 | const internal::VariadicDynCastAllOfMatcher<Expr, VAArgExpr> vaArgExpr; |
| 760 | |
Gabor Marton | 19f4f39 | 2018-06-25 13:04:37 +0000 | [diff] [blame] | 761 | TEST_P(ImportExpr, ImportVAArgExpr) { |
Aleksei Sidorin | a693b37 | 2016-09-28 10:16:56 +0000 | [diff] [blame] | 762 | MatchVerifier<Decl> Verifier; |
Gabor Marton | 1f6ad14 | 2018-06-29 10:25:19 +0000 | [diff] [blame] | 763 | testImport( |
| 764 | "void declToImport(__builtin_va_list list, ...) {" |
| 765 | " (void)__builtin_va_arg(list, int); }", |
| 766 | Lang_CXX, "", Lang_CXX, Verifier, |
| 767 | functionDecl(hasDescendant( |
| 768 | cStyleCastExpr(hasSourceExpression(vaArgExpr()))))); |
Aleksei Sidorin | a693b37 | 2016-09-28 10:16:56 +0000 | [diff] [blame] | 769 | } |
| 770 | |
Gabor Marton | 19f4f39 | 2018-06-25 13:04:37 +0000 | [diff] [blame] | 771 | TEST_P(ImportExpr, CXXTemporaryObjectExpr) { |
Gabor Horvath | c78d99a | 2018-01-27 16:11:45 +0000 | [diff] [blame] | 772 | MatchVerifier<Decl> Verifier; |
Gabor Marton | 1f6ad14 | 2018-06-29 10:25:19 +0000 | [diff] [blame] | 773 | testImport( |
| 774 | "struct C {};" |
| 775 | "void declToImport() { C c = C(); }", |
| 776 | Lang_CXX, "", Lang_CXX, Verifier, |
| 777 | functionDecl(hasDescendant( |
| 778 | exprWithCleanups(has(cxxConstructExpr( |
| 779 | has(materializeTemporaryExpr(has(implicitCastExpr( |
| 780 | has(cxxTemporaryObjectExpr()))))))))))); |
Gabor Horvath | c78d99a | 2018-01-27 16:11:45 +0000 | [diff] [blame] | 781 | } |
Aleksei Sidorin | a693b37 | 2016-09-28 10:16:56 +0000 | [diff] [blame] | 782 | |
Gabor Marton | 19f4f39 | 2018-06-25 13:04:37 +0000 | [diff] [blame] | 783 | TEST_P(ImportType, ImportAtomicType) { |
Gabor Horvath | 0866c2f | 2016-11-23 15:24:23 +0000 | [diff] [blame] | 784 | MatchVerifier<Decl> Verifier; |
Gabor Marton | 1f6ad14 | 2018-06-29 10:25:19 +0000 | [diff] [blame] | 785 | testImport( |
| 786 | "void declToImport() { typedef _Atomic(int) a_int; }", |
| 787 | Lang_CXX11, "", Lang_CXX11, Verifier, |
| 788 | functionDecl(hasDescendant(typedefDecl(has(atomicType()))))); |
Gabor Horvath | 0866c2f | 2016-11-23 15:24:23 +0000 | [diff] [blame] | 789 | } |
| 790 | |
Gabor Marton | 19f4f39 | 2018-06-25 13:04:37 +0000 | [diff] [blame] | 791 | TEST_P(ImportDecl, ImportFunctionTemplateDecl) { |
Aleksei Sidorin | 7f758b6 | 2017-12-27 17:04:42 +0000 | [diff] [blame] | 792 | MatchVerifier<Decl> Verifier; |
Gabor Marton | 1f6ad14 | 2018-06-29 10:25:19 +0000 | [diff] [blame] | 793 | testImport( |
| 794 | "template <typename T> void declToImport() { };", |
| 795 | Lang_CXX, "", Lang_CXX, Verifier, |
| 796 | functionTemplateDecl()); |
Aleksei Sidorin | 7f758b6 | 2017-12-27 17:04:42 +0000 | [diff] [blame] | 797 | } |
| 798 | |
Gabor Marton | 19f4f39 | 2018-06-25 13:04:37 +0000 | [diff] [blame] | 799 | TEST_P(ImportExpr, ImportCXXDependentScopeMemberExpr) { |
Aleksei Sidorin | 7f758b6 | 2017-12-27 17:04:42 +0000 | [diff] [blame] | 800 | MatchVerifier<Decl> Verifier; |
Gabor Marton | 1f6ad14 | 2018-06-29 10:25:19 +0000 | [diff] [blame] | 801 | testImport( |
| 802 | "template <typename T> struct C { T t; };" |
| 803 | "template <typename T> void declToImport() {" |
| 804 | " C<T> d;" |
| 805 | " (void)d.t;" |
| 806 | "}" |
| 807 | "void instantiate() { declToImport<int>(); }", |
| 808 | Lang_CXX, "", Lang_CXX, Verifier, |
| 809 | functionTemplateDecl(hasDescendant( |
| 810 | cStyleCastExpr(has(cxxDependentScopeMemberExpr()))))); |
| 811 | testImport( |
| 812 | "template <typename T> struct C { T t; };" |
| 813 | "template <typename T> void declToImport() {" |
| 814 | " C<T> d;" |
| 815 | " (void)(&d)->t;" |
| 816 | "}" |
| 817 | "void instantiate() { declToImport<int>(); }", |
| 818 | Lang_CXX, "", Lang_CXX, Verifier, |
| 819 | functionTemplateDecl(hasDescendant( |
| 820 | cStyleCastExpr(has(cxxDependentScopeMemberExpr()))))); |
Aleksei Sidorin | 7f758b6 | 2017-12-27 17:04:42 +0000 | [diff] [blame] | 821 | } |
Gabor Horvath | 0866c2f | 2016-11-23 15:24:23 +0000 | [diff] [blame] | 822 | |
Gabor Marton | 19f4f39 | 2018-06-25 13:04:37 +0000 | [diff] [blame] | 823 | TEST_P(ImportType, ImportTypeAliasTemplate) { |
Gabor Horvath | 7a91c08 | 2017-11-14 11:30:38 +0000 | [diff] [blame] | 824 | MatchVerifier<Decl> Verifier; |
Aleksei Sidorin | 4c05f14 | 2018-02-14 11:18:00 +0000 | [diff] [blame] | 825 | testImport( |
| 826 | "template <int K>" |
| 827 | "struct dummy { static const int i = K; };" |
| 828 | "template <int K> using dummy2 = dummy<K>;" |
| 829 | "int declToImport() { return dummy2<3>::i; }", |
| 830 | Lang_CXX11, "", Lang_CXX11, Verifier, |
| 831 | functionDecl( |
Gabor Marton | 1f6ad14 | 2018-06-29 10:25:19 +0000 | [diff] [blame] | 832 | hasDescendant(implicitCastExpr(has(declRefExpr()))), |
Aleksei Sidorin | 4c05f14 | 2018-02-14 11:18:00 +0000 | [diff] [blame] | 833 | unless(hasAncestor(translationUnitDecl(has(typeAliasDecl())))))); |
| 834 | } |
| 835 | |
| 836 | const internal::VariadicDynCastAllOfMatcher<Decl, VarTemplateSpecializationDecl> |
| 837 | varTemplateSpecializationDecl; |
| 838 | |
Gabor Marton | 19f4f39 | 2018-06-25 13:04:37 +0000 | [diff] [blame] | 839 | TEST_P(ImportDecl, ImportVarTemplate) { |
Aleksei Sidorin | 4c05f14 | 2018-02-14 11:18:00 +0000 | [diff] [blame] | 840 | MatchVerifier<Decl> Verifier; |
| 841 | testImport( |
| 842 | "template <typename T>" |
| 843 | "T pi = T(3.1415926535897932385L);" |
Gabor Marton | 1f6ad14 | 2018-06-29 10:25:19 +0000 | [diff] [blame] | 844 | "void declToImport() { (void)pi<int>; }", |
| 845 | Lang_CXX14, "", Lang_CXX14, Verifier, |
Aleksei Sidorin | 4c05f14 | 2018-02-14 11:18:00 +0000 | [diff] [blame] | 846 | functionDecl( |
Gabor Marton | 1f6ad14 | 2018-06-29 10:25:19 +0000 | [diff] [blame] | 847 | hasDescendant(declRefExpr(to(varTemplateSpecializationDecl()))), |
Aleksei Sidorin | 4c05f14 | 2018-02-14 11:18:00 +0000 | [diff] [blame] | 848 | unless(hasAncestor(translationUnitDecl(has(varDecl( |
| 849 | hasName("pi"), unless(varTemplateSpecializationDecl())))))))); |
Gabor Horvath | 7a91c08 | 2017-11-14 11:30:38 +0000 | [diff] [blame] | 850 | } |
| 851 | |
Gabor Marton | 19f4f39 | 2018-06-25 13:04:37 +0000 | [diff] [blame] | 852 | TEST_P(ImportType, ImportPackExpansion) { |
Gabor Horvath | 7a91c08 | 2017-11-14 11:30:38 +0000 | [diff] [blame] | 853 | MatchVerifier<Decl> Verifier; |
Gabor Marton | 1f6ad14 | 2018-06-29 10:25:19 +0000 | [diff] [blame] | 854 | testImport( |
| 855 | "template <typename... Args>" |
| 856 | "struct dummy {" |
| 857 | " dummy(Args... args) {}" |
| 858 | " static const int i = 4;" |
| 859 | "};" |
| 860 | "int declToImport() { return dummy<int>::i; }", |
| 861 | Lang_CXX11, "", Lang_CXX11, Verifier, |
| 862 | functionDecl(hasDescendant( |
| 863 | returnStmt(has(implicitCastExpr(has(declRefExpr()))))))); |
Gabor Horvath | 7a91c08 | 2017-11-14 11:30:38 +0000 | [diff] [blame] | 864 | } |
| 865 | |
Gabor Horvath | c78d99a | 2018-01-27 16:11:45 +0000 | [diff] [blame] | 866 | const internal::VariadicDynCastAllOfMatcher<Type, |
| 867 | DependentTemplateSpecializationType> |
| 868 | dependentTemplateSpecializationType; |
| 869 | |
Gabor Marton | 19f4f39 | 2018-06-25 13:04:37 +0000 | [diff] [blame] | 870 | TEST_P(ImportType, ImportDependentTemplateSpecialization) { |
Gabor Horvath | c78d99a | 2018-01-27 16:11:45 +0000 | [diff] [blame] | 871 | MatchVerifier<Decl> Verifier; |
Gabor Marton | 1f6ad14 | 2018-06-29 10:25:19 +0000 | [diff] [blame] | 872 | testImport( |
| 873 | "template<typename T>" |
| 874 | "struct A;" |
| 875 | "template<typename T>" |
| 876 | "struct declToImport {" |
| 877 | " typename A<T>::template B<T> a;" |
| 878 | "};", |
| 879 | Lang_CXX, "", Lang_CXX, Verifier, |
| 880 | classTemplateDecl(has(cxxRecordDecl(has( |
| 881 | fieldDecl(hasType(dependentTemplateSpecializationType()))))))); |
Gabor Horvath | c78d99a | 2018-01-27 16:11:45 +0000 | [diff] [blame] | 882 | } |
| 883 | |
| 884 | const internal::VariadicDynCastAllOfMatcher<Stmt, SizeOfPackExpr> |
| 885 | sizeOfPackExpr; |
| 886 | |
Gabor Marton | 19f4f39 | 2018-06-25 13:04:37 +0000 | [diff] [blame] | 887 | TEST_P(ImportExpr, ImportSizeOfPackExpr) { |
Gabor Horvath | c78d99a | 2018-01-27 16:11:45 +0000 | [diff] [blame] | 888 | MatchVerifier<Decl> Verifier; |
Gabor Marton | 1f6ad14 | 2018-06-29 10:25:19 +0000 | [diff] [blame] | 889 | testImport( |
| 890 | "template <typename... Ts>" |
| 891 | "void declToImport() {" |
| 892 | " const int i = sizeof...(Ts);" |
| 893 | "};" |
| 894 | "void g() { declToImport<int>(); }", |
| 895 | Lang_CXX11, "", Lang_CXX11, Verifier, |
| 896 | functionTemplateDecl(hasDescendant(sizeOfPackExpr()))); |
Gabor Horvath | c78d99a | 2018-01-27 16:11:45 +0000 | [diff] [blame] | 897 | testImport( |
| 898 | "template <typename... Ts>" |
| 899 | "using X = int[sizeof...(Ts)];" |
| 900 | "template <typename... Us>" |
| 901 | "struct Y {" |
| 902 | " X<Us..., int, double, int, Us...> f;" |
| 903 | "};" |
| 904 | "Y<float, int> declToImport;", |
| 905 | Lang_CXX11, "", Lang_CXX11, Verifier, |
| 906 | varDecl(hasType(classTemplateSpecializationDecl(has(fieldDecl(hasType( |
| 907 | hasUnqualifiedDesugaredType(constantArrayType(hasSize(7)))))))))); |
| 908 | } |
| 909 | |
Aleksei Sidorin | b05f37a | 2017-11-26 17:04:06 +0000 | [diff] [blame] | 910 | /// \brief Matches __builtin_types_compatible_p: |
| 911 | /// GNU extension to check equivalent types |
| 912 | /// Given |
| 913 | /// \code |
| 914 | /// __builtin_types_compatible_p(int, int) |
| 915 | /// \endcode |
| 916 | // will generate TypeTraitExpr <...> 'int' |
| 917 | const internal::VariadicDynCastAllOfMatcher<Stmt, TypeTraitExpr> typeTraitExpr; |
| 918 | |
Gabor Marton | 19f4f39 | 2018-06-25 13:04:37 +0000 | [diff] [blame] | 919 | TEST_P(ImportExpr, ImportTypeTraitExpr) { |
Aleksei Sidorin | b05f37a | 2017-11-26 17:04:06 +0000 | [diff] [blame] | 920 | MatchVerifier<Decl> Verifier; |
Gabor Marton | 1f6ad14 | 2018-06-29 10:25:19 +0000 | [diff] [blame] | 921 | testImport( |
| 922 | "void declToImport() { " |
| 923 | " (void)__builtin_types_compatible_p(int, int);" |
| 924 | "}", |
| 925 | Lang_C, "", Lang_C, Verifier, |
| 926 | functionDecl(hasDescendant(typeTraitExpr(hasType(asString("int")))))); |
Aleksei Sidorin | b05f37a | 2017-11-26 17:04:06 +0000 | [diff] [blame] | 927 | } |
| 928 | |
Gabor Horvath | c78d99a | 2018-01-27 16:11:45 +0000 | [diff] [blame] | 929 | const internal::VariadicDynCastAllOfMatcher<Stmt, CXXTypeidExpr> cxxTypeidExpr; |
| 930 | |
Gabor Marton | 19f4f39 | 2018-06-25 13:04:37 +0000 | [diff] [blame] | 931 | TEST_P(ImportExpr, ImportCXXTypeidExpr) { |
Gabor Horvath | c78d99a | 2018-01-27 16:11:45 +0000 | [diff] [blame] | 932 | MatchVerifier<Decl> Verifier; |
| 933 | testImport( |
| 934 | "namespace std { class type_info {}; }" |
| 935 | "void declToImport() {" |
| 936 | " int x;" |
| 937 | " auto a = typeid(int); auto b = typeid(x);" |
| 938 | "}", |
| 939 | Lang_CXX11, "", Lang_CXX11, Verifier, |
| 940 | functionDecl( |
| 941 | hasDescendant(varDecl( |
| 942 | hasName("a"), hasInitializer(hasDescendant(cxxTypeidExpr())))), |
| 943 | hasDescendant(varDecl( |
| 944 | hasName("b"), hasInitializer(hasDescendant(cxxTypeidExpr())))))); |
| 945 | } |
| 946 | |
Gabor Marton | 19f4f39 | 2018-06-25 13:04:37 +0000 | [diff] [blame] | 947 | TEST_P(ImportExpr, ImportTypeTraitExprValDep) { |
Aleksei Sidorin | b05f37a | 2017-11-26 17:04:06 +0000 | [diff] [blame] | 948 | MatchVerifier<Decl> Verifier; |
Gabor Marton | 1f6ad14 | 2018-06-29 10:25:19 +0000 | [diff] [blame] | 949 | testImport( |
| 950 | "template<typename T> struct declToImport {" |
| 951 | " void m() { (void)__is_pod(T); }" |
| 952 | "};" |
| 953 | "void f() { declToImport<int>().m(); }", |
| 954 | Lang_CXX11, "", Lang_CXX11, Verifier, |
| 955 | classTemplateDecl(has(cxxRecordDecl(has( |
| 956 | functionDecl(hasDescendant( |
| 957 | typeTraitExpr(hasType(booleanType()))))))))); |
Aleksei Sidorin | b05f37a | 2017-11-26 17:04:06 +0000 | [diff] [blame] | 958 | } |
Gabor Horvath | 7a91c08 | 2017-11-14 11:30:38 +0000 | [diff] [blame] | 959 | |
Gabor Marton | 6e1510c | 2018-07-12 11:50:21 +0000 | [diff] [blame] | 960 | TEST_P(ImportDecl, ImportRecordDeclInFunc) { |
| 961 | MatchVerifier<Decl> Verifier; |
| 962 | testImport("int declToImport() { " |
| 963 | " struct data_t {int a;int b;};" |
| 964 | " struct data_t d;" |
| 965 | " return 0;" |
| 966 | "}", |
| 967 | Lang_C, "", Lang_C, Verifier, |
| 968 | functionDecl(hasBody(compoundStmt( |
| 969 | has(declStmt(hasSingleDecl(varDecl(hasName("d"))))))))); |
| 970 | } |
| 971 | |
Gabor Marton | 0b57ccb | 2019-02-07 16:52:48 +0000 | [diff] [blame] | 972 | TEST_P(ASTImporterOptionSpecificTestBase, ImportRecordTypeInFunc) { |
Gabor Marton | 6e1510c | 2018-07-12 11:50:21 +0000 | [diff] [blame] | 973 | Decl *FromTU = getTuDecl("int declToImport() { " |
| 974 | " struct data_t {int a;int b;};" |
| 975 | " struct data_t d;" |
| 976 | " return 0;" |
| 977 | "}", |
| 978 | Lang_C, "input.c"); |
Gabor Marton | fe68e29 | 2018-08-06 14:38:37 +0000 | [diff] [blame] | 979 | auto *FromVar = |
Gabor Marton | 6e1510c | 2018-07-12 11:50:21 +0000 | [diff] [blame] | 980 | FirstDeclMatcher<VarDecl>().match(FromTU, varDecl(hasName("d"))); |
| 981 | ASSERT_TRUE(FromVar); |
| 982 | auto ToType = |
| 983 | ImportType(FromVar->getType().getCanonicalType(), FromVar, Lang_C); |
| 984 | EXPECT_FALSE(ToType.isNull()); |
| 985 | } |
| 986 | |
Gabor Marton | 0b57ccb | 2019-02-07 16:52:48 +0000 | [diff] [blame] | 987 | TEST_P(ASTImporterOptionSpecificTestBase, ImportRecordDeclInFuncParams) { |
Gabor Marton | 6e1510c | 2018-07-12 11:50:21 +0000 | [diff] [blame] | 988 | // This construct is not supported by ASTImporter. |
Gabor Marton | fe68e29 | 2018-08-06 14:38:37 +0000 | [diff] [blame] | 989 | Decl *FromTU = getTuDecl( |
| 990 | "int declToImport(struct data_t{int a;int b;} ***d){ return 0; }", |
| 991 | Lang_C, "input.c"); |
| 992 | auto *From = FirstDeclMatcher<FunctionDecl>().match( |
| 993 | FromTU, functionDecl(hasName("declToImport"))); |
Gabor Marton | 6e1510c | 2018-07-12 11:50:21 +0000 | [diff] [blame] | 994 | ASSERT_TRUE(From); |
Gabor Marton | fe68e29 | 2018-08-06 14:38:37 +0000 | [diff] [blame] | 995 | auto *To = Import(From, Lang_C); |
| 996 | EXPECT_EQ(To, nullptr); |
| 997 | } |
| 998 | |
Gabor Marton | 0b57ccb | 2019-02-07 16:52:48 +0000 | [diff] [blame] | 999 | TEST_P(ASTImporterOptionSpecificTestBase, ImportRecordDeclInFuncFromMacro) { |
Gabor Marton | fe68e29 | 2018-08-06 14:38:37 +0000 | [diff] [blame] | 1000 | Decl *FromTU = getTuDecl( |
| 1001 | "#define NONAME_SIZEOF(type) sizeof(struct{type *dummy;}) \n" |
| 1002 | "int declToImport(){ return NONAME_SIZEOF(int); }", |
| 1003 | Lang_C, "input.c"); |
| 1004 | auto *From = FirstDeclMatcher<FunctionDecl>().match( |
| 1005 | FromTU, functionDecl(hasName("declToImport"))); |
| 1006 | ASSERT_TRUE(From); |
| 1007 | auto *To = Import(From, Lang_C); |
| 1008 | ASSERT_TRUE(To); |
| 1009 | EXPECT_TRUE(MatchVerifier<FunctionDecl>().match( |
| 1010 | To, functionDecl(hasName("declToImport"), |
| 1011 | hasDescendant(unaryExprOrTypeTraitExpr())))); |
| 1012 | } |
| 1013 | |
Gabor Marton | 0b57ccb | 2019-02-07 16:52:48 +0000 | [diff] [blame] | 1014 | TEST_P(ASTImporterOptionSpecificTestBase, |
| 1015 | ImportRecordDeclInFuncParamsFromMacro) { |
Gabor Marton | fe68e29 | 2018-08-06 14:38:37 +0000 | [diff] [blame] | 1016 | // This construct is not supported by ASTImporter. |
| 1017 | Decl *FromTU = getTuDecl( |
| 1018 | "#define PAIR_STRUCT(type) struct data_t{type a;type b;} \n" |
| 1019 | "int declToImport(PAIR_STRUCT(int) ***d){ return 0; }", |
| 1020 | Lang_C, "input.c"); |
| 1021 | auto *From = FirstDeclMatcher<FunctionDecl>().match( |
| 1022 | FromTU, functionDecl(hasName("declToImport"))); |
| 1023 | ASSERT_TRUE(From); |
| 1024 | auto *To = Import(From, Lang_C); |
Gabor Marton | 6e1510c | 2018-07-12 11:50:21 +0000 | [diff] [blame] | 1025 | EXPECT_EQ(To, nullptr); |
| 1026 | } |
| 1027 | |
Aleksei Sidorin | 60ccb7d | 2017-11-27 10:30:00 +0000 | [diff] [blame] | 1028 | const internal::VariadicDynCastAllOfMatcher<Expr, CXXPseudoDestructorExpr> |
| 1029 | cxxPseudoDestructorExpr; |
| 1030 | |
Gabor Marton | 19f4f39 | 2018-06-25 13:04:37 +0000 | [diff] [blame] | 1031 | TEST_P(ImportExpr, ImportCXXPseudoDestructorExpr) { |
Aleksei Sidorin | 60ccb7d | 2017-11-27 10:30:00 +0000 | [diff] [blame] | 1032 | MatchVerifier<Decl> Verifier; |
Gabor Marton | 1f6ad14 | 2018-06-29 10:25:19 +0000 | [diff] [blame] | 1033 | testImport( |
| 1034 | "typedef int T;" |
| 1035 | "void declToImport(int *p) {" |
| 1036 | " T t;" |
| 1037 | " p->T::~T();" |
| 1038 | "}", |
| 1039 | Lang_CXX, "", Lang_CXX, Verifier, |
| 1040 | functionDecl(hasDescendant( |
| 1041 | callExpr(has(cxxPseudoDestructorExpr()))))); |
Aleksei Sidorin | 60ccb7d | 2017-11-27 10:30:00 +0000 | [diff] [blame] | 1042 | } |
| 1043 | |
Gabor Marton | 19f4f39 | 2018-06-25 13:04:37 +0000 | [diff] [blame] | 1044 | TEST_P(ImportDecl, ImportUsingDecl) { |
Aleksei Sidorin | 9d8ba2e | 2017-12-03 16:04:07 +0000 | [diff] [blame] | 1045 | MatchVerifier<Decl> Verifier; |
Gabor Marton | 1f6ad14 | 2018-06-29 10:25:19 +0000 | [diff] [blame] | 1046 | testImport( |
| 1047 | "namespace foo { int bar; }" |
| 1048 | "void declToImport() { using foo::bar; }", |
| 1049 | Lang_CXX, "", Lang_CXX, Verifier, |
| 1050 | functionDecl(hasDescendant(usingDecl()))); |
Aleksei Sidorin | 9d8ba2e | 2017-12-03 16:04:07 +0000 | [diff] [blame] | 1051 | } |
| 1052 | |
| 1053 | /// \brief Matches shadow declarations introduced into a scope by a |
| 1054 | /// (resolved) using declaration. |
| 1055 | /// |
| 1056 | /// Given |
| 1057 | /// \code |
| 1058 | /// namespace n { int f; } |
| 1059 | /// namespace declToImport { using n::f; } |
| 1060 | /// \endcode |
| 1061 | /// usingShadowDecl() |
| 1062 | /// matches \code f \endcode |
| 1063 | const internal::VariadicDynCastAllOfMatcher<Decl, |
| 1064 | UsingShadowDecl> usingShadowDecl; |
| 1065 | |
Gabor Marton | 19f4f39 | 2018-06-25 13:04:37 +0000 | [diff] [blame] | 1066 | TEST_P(ImportDecl, ImportUsingShadowDecl) { |
Aleksei Sidorin | 9d8ba2e | 2017-12-03 16:04:07 +0000 | [diff] [blame] | 1067 | MatchVerifier<Decl> Verifier; |
Gabor Marton | 1f6ad14 | 2018-06-29 10:25:19 +0000 | [diff] [blame] | 1068 | testImport( |
| 1069 | "namespace foo { int bar; }" |
| 1070 | "namespace declToImport { using foo::bar; }", |
| 1071 | Lang_CXX, "", Lang_CXX, Verifier, |
| 1072 | namespaceDecl(has(usingShadowDecl()))); |
Aleksei Sidorin | 9d8ba2e | 2017-12-03 16:04:07 +0000 | [diff] [blame] | 1073 | } |
| 1074 | |
Gabor Marton | 19f4f39 | 2018-06-25 13:04:37 +0000 | [diff] [blame] | 1075 | TEST_P(ImportExpr, ImportUnresolvedLookupExpr) { |
Aleksei Sidorin | e267a0f | 2018-01-09 16:40:40 +0000 | [diff] [blame] | 1076 | MatchVerifier<Decl> Verifier; |
Gabor Marton | 1f6ad14 | 2018-06-29 10:25:19 +0000 | [diff] [blame] | 1077 | testImport( |
| 1078 | "template<typename T> int foo();" |
| 1079 | "template <typename T> void declToImport() {" |
| 1080 | " (void)::foo<T>;" |
| 1081 | " (void)::template foo<T>;" |
| 1082 | "}" |
| 1083 | "void instantiate() { declToImport<int>(); }", |
| 1084 | Lang_CXX, "", Lang_CXX, Verifier, |
| 1085 | functionTemplateDecl(hasDescendant(unresolvedLookupExpr()))); |
Aleksei Sidorin | e267a0f | 2018-01-09 16:40:40 +0000 | [diff] [blame] | 1086 | } |
| 1087 | |
Gabor Marton | 19f4f39 | 2018-06-25 13:04:37 +0000 | [diff] [blame] | 1088 | TEST_P(ImportExpr, ImportCXXUnresolvedConstructExpr) { |
Aleksei Sidorin | e267a0f | 2018-01-09 16:40:40 +0000 | [diff] [blame] | 1089 | MatchVerifier<Decl> Verifier; |
Gabor Marton | 1f6ad14 | 2018-06-29 10:25:19 +0000 | [diff] [blame] | 1090 | testImport( |
| 1091 | "template <typename T> struct C { T t; };" |
| 1092 | "template <typename T> void declToImport() {" |
| 1093 | " C<T> d;" |
| 1094 | " d.t = T();" |
| 1095 | "}" |
| 1096 | "void instantiate() { declToImport<int>(); }", |
| 1097 | Lang_CXX, "", Lang_CXX, Verifier, |
| 1098 | functionTemplateDecl(hasDescendant( |
| 1099 | binaryOperator(has(cxxUnresolvedConstructExpr()))))); |
| 1100 | testImport( |
| 1101 | "template <typename T> struct C { T t; };" |
| 1102 | "template <typename T> void declToImport() {" |
| 1103 | " C<T> d;" |
| 1104 | " (&d)->t = T();" |
| 1105 | "}" |
| 1106 | "void instantiate() { declToImport<int>(); }", |
| 1107 | Lang_CXX, "", Lang_CXX, Verifier, |
| 1108 | functionTemplateDecl(hasDescendant( |
| 1109 | binaryOperator(has(cxxUnresolvedConstructExpr()))))); |
Aleksei Sidorin | e267a0f | 2018-01-09 16:40:40 +0000 | [diff] [blame] | 1110 | } |
| 1111 | |
Aleksei Sidorin | 8fc8510 | 2018-01-26 11:36:54 +0000 | [diff] [blame] | 1112 | /// Check that function "declToImport()" (which is the templated function |
| 1113 | /// for corresponding FunctionTemplateDecl) is not added into DeclContext. |
| 1114 | /// Same for class template declarations. |
Gabor Marton | 19f4f39 | 2018-06-25 13:04:37 +0000 | [diff] [blame] | 1115 | TEST_P(ImportDecl, ImportTemplatedDeclForTemplate) { |
Aleksei Sidorin | 8fc8510 | 2018-01-26 11:36:54 +0000 | [diff] [blame] | 1116 | MatchVerifier<Decl> Verifier; |
Gabor Marton | 1f6ad14 | 2018-06-29 10:25:19 +0000 | [diff] [blame] | 1117 | testImport( |
| 1118 | "template <typename T> void declToImport() { T a = 1; }" |
| 1119 | "void instantiate() { declToImport<int>(); }", |
| 1120 | Lang_CXX, "", Lang_CXX, Verifier, |
| 1121 | functionTemplateDecl(hasAncestor(translationUnitDecl( |
| 1122 | unless(has(functionDecl(hasName("declToImport")))))))); |
| 1123 | testImport( |
| 1124 | "template <typename T> struct declToImport { T t; };" |
| 1125 | "void instantiate() { declToImport<int>(); }", |
| 1126 | Lang_CXX, "", Lang_CXX, Verifier, |
| 1127 | classTemplateDecl(hasAncestor(translationUnitDecl( |
| 1128 | unless(has(cxxRecordDecl(hasName("declToImport")))))))); |
Aleksei Sidorin | 8fc8510 | 2018-01-26 11:36:54 +0000 | [diff] [blame] | 1129 | } |
| 1130 | |
Gabor Marton | 19f4f39 | 2018-06-25 13:04:37 +0000 | [diff] [blame] | 1131 | TEST_P(ImportDecl, ImportClassTemplatePartialSpecialization) { |
Gabor Marton | 6578a4a | 2018-06-25 11:38:43 +0000 | [diff] [blame] | 1132 | MatchVerifier<Decl> Verifier; |
| 1133 | auto Code = |
| 1134 | R"s( |
| 1135 | struct declToImport { |
| 1136 | template <typename T0> struct X; |
| 1137 | template <typename T0> struct X<T0 *> {}; |
| 1138 | }; |
| 1139 | )s"; |
| 1140 | testImport(Code, Lang_CXX, "", Lang_CXX, Verifier, |
| 1141 | recordDecl(has(classTemplateDecl()), |
| 1142 | has(classTemplateSpecializationDecl()))); |
| 1143 | } |
| 1144 | |
Gabor Marton | 19f4f39 | 2018-06-25 13:04:37 +0000 | [diff] [blame] | 1145 | TEST_P(ImportExpr, CXXOperatorCallExpr) { |
Gabor Horvath | c78d99a | 2018-01-27 16:11:45 +0000 | [diff] [blame] | 1146 | MatchVerifier<Decl> Verifier; |
Gabor Marton | 1f6ad14 | 2018-06-29 10:25:19 +0000 | [diff] [blame] | 1147 | testImport( |
| 1148 | "class declToImport {" |
| 1149 | " void f() { *this = declToImport(); }" |
| 1150 | "};", |
| 1151 | Lang_CXX, "", Lang_CXX, Verifier, |
| 1152 | cxxRecordDecl(has(cxxMethodDecl(hasDescendant( |
| 1153 | cxxOperatorCallExpr()))))); |
Gabor Horvath | c78d99a | 2018-01-27 16:11:45 +0000 | [diff] [blame] | 1154 | } |
| 1155 | |
Gabor Marton | 19f4f39 | 2018-06-25 13:04:37 +0000 | [diff] [blame] | 1156 | TEST_P(ImportExpr, DependentSizedArrayType) { |
Gabor Horvath | c78d99a | 2018-01-27 16:11:45 +0000 | [diff] [blame] | 1157 | MatchVerifier<Decl> Verifier; |
Gabor Marton | 1f6ad14 | 2018-06-29 10:25:19 +0000 | [diff] [blame] | 1158 | testImport( |
| 1159 | "template<typename T, int Size> class declToImport {" |
| 1160 | " T data[Size];" |
| 1161 | "};", |
| 1162 | Lang_CXX, "", Lang_CXX, Verifier, |
| 1163 | classTemplateDecl(has(cxxRecordDecl( |
| 1164 | has(fieldDecl(hasType(dependentSizedArrayType()))))))); |
Gabor Horvath | c78d99a | 2018-01-27 16:11:45 +0000 | [diff] [blame] | 1165 | } |
| 1166 | |
Balazs Keri | 5f4fd8b | 2019-03-14 14:20:23 +0000 | [diff] [blame] | 1167 | TEST_P(ASTImporterOptionSpecificTestBase, ImportBeginLocOfDeclRefExpr) { |
| 1168 | Decl *FromTU = getTuDecl( |
| 1169 | "class A { public: static int X; }; void f() { (void)A::X; }", Lang_CXX); |
| 1170 | auto From = FirstDeclMatcher<FunctionDecl>().match( |
| 1171 | FromTU, functionDecl(hasName("f"))); |
| 1172 | ASSERT_TRUE(From); |
| 1173 | ASSERT_TRUE( |
| 1174 | cast<CStyleCastExpr>(cast<CompoundStmt>(From->getBody())->body_front()) |
| 1175 | ->getSubExpr() |
| 1176 | ->getBeginLoc() |
| 1177 | .isValid()); |
| 1178 | FunctionDecl *To = Import(From, Lang_CXX); |
| 1179 | ASSERT_TRUE(To); |
| 1180 | ASSERT_TRUE( |
| 1181 | cast<CStyleCastExpr>(cast<CompoundStmt>(To->getBody())->body_front()) |
| 1182 | ->getSubExpr() |
| 1183 | ->getBeginLoc() |
| 1184 | .isValid()); |
| 1185 | } |
| 1186 | |
Gabor Marton | 0b57ccb | 2019-02-07 16:52:48 +0000 | [diff] [blame] | 1187 | TEST_P(ASTImporterOptionSpecificTestBase, |
| 1188 | ImportOfTemplatedDeclOfClassTemplateDecl) { |
Gabor Marton | a0df7a9 | 2018-05-30 09:19:26 +0000 | [diff] [blame] | 1189 | Decl *FromTU = getTuDecl("template<class X> struct S{};", Lang_CXX); |
| 1190 | auto From = |
| 1191 | FirstDeclMatcher<ClassTemplateDecl>().match(FromTU, classTemplateDecl()); |
| 1192 | ASSERT_TRUE(From); |
| 1193 | auto To = cast<ClassTemplateDecl>(Import(From, Lang_CXX)); |
| 1194 | ASSERT_TRUE(To); |
| 1195 | Decl *ToTemplated = To->getTemplatedDecl(); |
| 1196 | Decl *ToTemplated1 = Import(From->getTemplatedDecl(), Lang_CXX); |
| 1197 | EXPECT_TRUE(ToTemplated1); |
| 1198 | EXPECT_EQ(ToTemplated1, ToTemplated); |
| 1199 | } |
| 1200 | |
Gabor Marton | 0b57ccb | 2019-02-07 16:52:48 +0000 | [diff] [blame] | 1201 | TEST_P(ASTImporterOptionSpecificTestBase, |
| 1202 | ImportOfTemplatedDeclOfFunctionTemplateDecl) { |
Gabor Marton | 6578a4a | 2018-06-25 11:38:43 +0000 | [diff] [blame] | 1203 | Decl *FromTU = getTuDecl("template<class X> void f(){}", Lang_CXX); |
| 1204 | auto From = FirstDeclMatcher<FunctionTemplateDecl>().match( |
| 1205 | FromTU, functionTemplateDecl()); |
| 1206 | ASSERT_TRUE(From); |
| 1207 | auto To = cast<FunctionTemplateDecl>(Import(From, Lang_CXX)); |
| 1208 | ASSERT_TRUE(To); |
| 1209 | Decl *ToTemplated = To->getTemplatedDecl(); |
| 1210 | Decl *ToTemplated1 = Import(From->getTemplatedDecl(), Lang_CXX); |
| 1211 | EXPECT_TRUE(ToTemplated1); |
| 1212 | EXPECT_EQ(ToTemplated1, ToTemplated); |
| 1213 | } |
| 1214 | |
Gabor Marton | 0b57ccb | 2019-02-07 16:52:48 +0000 | [diff] [blame] | 1215 | TEST_P(ASTImporterOptionSpecificTestBase, |
Gabor Marton | 6578a4a | 2018-06-25 11:38:43 +0000 | [diff] [blame] | 1216 | ImportOfTemplatedDeclShouldImportTheClassTemplateDecl) { |
| 1217 | Decl *FromTU = getTuDecl("template<class X> struct S{};", Lang_CXX); |
| 1218 | auto FromFT = |
| 1219 | FirstDeclMatcher<ClassTemplateDecl>().match(FromTU, classTemplateDecl()); |
| 1220 | ASSERT_TRUE(FromFT); |
| 1221 | |
| 1222 | auto ToTemplated = |
| 1223 | cast<CXXRecordDecl>(Import(FromFT->getTemplatedDecl(), Lang_CXX)); |
| 1224 | EXPECT_TRUE(ToTemplated); |
| 1225 | auto ToTU = ToTemplated->getTranslationUnitDecl(); |
| 1226 | auto ToFT = |
| 1227 | FirstDeclMatcher<ClassTemplateDecl>().match(ToTU, classTemplateDecl()); |
| 1228 | EXPECT_TRUE(ToFT); |
| 1229 | } |
| 1230 | |
Gabor Marton | 0b57ccb | 2019-02-07 16:52:48 +0000 | [diff] [blame] | 1231 | TEST_P(ASTImporterOptionSpecificTestBase, |
Balazs Keri | a35798d | 2018-07-17 09:52:41 +0000 | [diff] [blame] | 1232 | ImportOfTemplatedDeclShouldImportTheFunctionTemplateDecl) { |
Gabor Marton | 6578a4a | 2018-06-25 11:38:43 +0000 | [diff] [blame] | 1233 | Decl *FromTU = getTuDecl("template<class X> void f(){}", Lang_CXX); |
| 1234 | auto FromFT = FirstDeclMatcher<FunctionTemplateDecl>().match( |
| 1235 | FromTU, functionTemplateDecl()); |
| 1236 | ASSERT_TRUE(FromFT); |
| 1237 | |
| 1238 | auto ToTemplated = |
| 1239 | cast<FunctionDecl>(Import(FromFT->getTemplatedDecl(), Lang_CXX)); |
| 1240 | EXPECT_TRUE(ToTemplated); |
| 1241 | auto ToTU = ToTemplated->getTranslationUnitDecl(); |
| 1242 | auto ToFT = FirstDeclMatcher<FunctionTemplateDecl>().match( |
| 1243 | ToTU, functionTemplateDecl()); |
| 1244 | EXPECT_TRUE(ToFT); |
| 1245 | } |
| 1246 | |
Gabor Marton | 0b57ccb | 2019-02-07 16:52:48 +0000 | [diff] [blame] | 1247 | TEST_P(ASTImporterOptionSpecificTestBase, ImportCorrectTemplatedDecl) { |
Gabor Marton | a0df7a9 | 2018-05-30 09:19:26 +0000 | [diff] [blame] | 1248 | auto Code = |
| 1249 | R"( |
| 1250 | namespace x { |
| 1251 | template<class X> struct S1{}; |
| 1252 | template<class X> struct S2{}; |
| 1253 | template<class X> struct S3{}; |
| 1254 | } |
| 1255 | )"; |
| 1256 | Decl *FromTU = getTuDecl(Code, Lang_CXX); |
| 1257 | auto FromNs = |
| 1258 | FirstDeclMatcher<NamespaceDecl>().match(FromTU, namespaceDecl()); |
| 1259 | auto ToNs = cast<NamespaceDecl>(Import(FromNs, Lang_CXX)); |
| 1260 | ASSERT_TRUE(ToNs); |
| 1261 | auto From = |
| 1262 | FirstDeclMatcher<ClassTemplateDecl>().match(FromTU, |
| 1263 | classTemplateDecl( |
| 1264 | hasName("S2"))); |
| 1265 | auto To = |
| 1266 | FirstDeclMatcher<ClassTemplateDecl>().match(ToNs, |
| 1267 | classTemplateDecl( |
| 1268 | hasName("S2"))); |
| 1269 | ASSERT_TRUE(From); |
| 1270 | ASSERT_TRUE(To); |
| 1271 | auto ToTemplated = To->getTemplatedDecl(); |
| 1272 | auto ToTemplated1 = |
| 1273 | cast<CXXRecordDecl>(Import(From->getTemplatedDecl(), Lang_CXX)); |
| 1274 | EXPECT_TRUE(ToTemplated1); |
| 1275 | ASSERT_EQ(ToTemplated1, ToTemplated); |
| 1276 | } |
| 1277 | |
Tom Roeder | 521f004 | 2019-02-26 19:26:41 +0000 | [diff] [blame] | 1278 | TEST_P(ASTImporterOptionSpecificTestBase, ImportChooseExpr) { |
| 1279 | // This tests the import of isConditionTrue directly to make sure the importer |
| 1280 | // gets it right. |
| 1281 | Decl *From, *To; |
| 1282 | std::tie(From, To) = getImportedDecl( |
| 1283 | "void declToImport() { (void)__builtin_choose_expr(1, 0, 1); }", |
| 1284 | Lang_C, "", Lang_C); |
| 1285 | |
| 1286 | auto ToResults = match(chooseExpr().bind("choose"), To->getASTContext()); |
| 1287 | auto FromResults = match(chooseExpr().bind("choose"), From->getASTContext()); |
| 1288 | |
| 1289 | const ChooseExpr *FromChooseExpr = |
| 1290 | selectFirst<ChooseExpr>("choose", FromResults); |
| 1291 | ASSERT_TRUE(FromChooseExpr); |
| 1292 | |
| 1293 | const ChooseExpr *ToChooseExpr = selectFirst<ChooseExpr>("choose", ToResults); |
| 1294 | ASSERT_TRUE(ToChooseExpr); |
| 1295 | |
| 1296 | EXPECT_EQ(FromChooseExpr->isConditionTrue(), ToChooseExpr->isConditionTrue()); |
| 1297 | EXPECT_EQ(FromChooseExpr->isConditionDependent(), |
| 1298 | ToChooseExpr->isConditionDependent()); |
| 1299 | } |
| 1300 | |
Gabor Marton | 0b57ccb | 2019-02-07 16:52:48 +0000 | [diff] [blame] | 1301 | TEST_P(ASTImporterOptionSpecificTestBase, |
| 1302 | ImportFunctionWithBackReferringParameter) { |
Peter Szecsi | dedda6f | 2018-03-30 22:03:29 +0000 | [diff] [blame] | 1303 | Decl *From, *To; |
| 1304 | std::tie(From, To) = getImportedDecl( |
| 1305 | R"( |
| 1306 | template <typename T> struct X {}; |
| 1307 | |
| 1308 | void declToImport(int y, X<int> &x) {} |
| 1309 | |
| 1310 | template <> struct X<int> { |
| 1311 | void g() { |
| 1312 | X<int> x; |
| 1313 | declToImport(0, x); |
| 1314 | } |
| 1315 | }; |
| 1316 | )", |
| 1317 | Lang_CXX, "", Lang_CXX); |
| 1318 | |
| 1319 | MatchVerifier<Decl> Verifier; |
| 1320 | auto Matcher = functionDecl(hasName("declToImport"), |
| 1321 | parameterCountIs(2), |
| 1322 | hasParameter(0, hasName("y")), |
| 1323 | hasParameter(1, hasName("x")), |
| 1324 | hasParameter(1, hasType(asString("X<int> &")))); |
| 1325 | ASSERT_TRUE(Verifier.match(From, Matcher)); |
| 1326 | EXPECT_TRUE(Verifier.match(To, Matcher)); |
| 1327 | } |
| 1328 | |
Gabor Marton | 0b57ccb | 2019-02-07 16:52:48 +0000 | [diff] [blame] | 1329 | TEST_P(ASTImporterOptionSpecificTestBase, |
Peter Szecsi | dedda6f | 2018-03-30 22:03:29 +0000 | [diff] [blame] | 1330 | TUshouldNotContainTemplatedDeclOfFunctionTemplates) { |
| 1331 | Decl *From, *To; |
| 1332 | std::tie(From, To) = |
| 1333 | getImportedDecl("template <typename T> void declToImport() { T a = 1; }" |
| 1334 | "void instantiate() { declToImport<int>(); }", |
| 1335 | Lang_CXX, "", Lang_CXX); |
| 1336 | |
| 1337 | auto Check = [](Decl *D) -> bool { |
| 1338 | auto TU = D->getTranslationUnitDecl(); |
| 1339 | for (auto Child : TU->decls()) { |
| 1340 | if (auto *FD = dyn_cast<FunctionDecl>(Child)) { |
| 1341 | if (FD->getNameAsString() == "declToImport") { |
| 1342 | GTEST_NONFATAL_FAILURE_( |
| 1343 | "TU should not contain any FunctionDecl with name declToImport"); |
| 1344 | return false; |
| 1345 | } |
| 1346 | } |
| 1347 | } |
| 1348 | return true; |
| 1349 | }; |
| 1350 | |
| 1351 | ASSERT_TRUE(Check(From)); |
| 1352 | EXPECT_TRUE(Check(To)); |
| 1353 | } |
| 1354 | |
Gabor Marton | 0b57ccb | 2019-02-07 16:52:48 +0000 | [diff] [blame] | 1355 | TEST_P(ASTImporterOptionSpecificTestBase, |
| 1356 | TUshouldNotContainTemplatedDeclOfClassTemplates) { |
Peter Szecsi | dedda6f | 2018-03-30 22:03:29 +0000 | [diff] [blame] | 1357 | Decl *From, *To; |
| 1358 | std::tie(From, To) = |
| 1359 | getImportedDecl("template <typename T> struct declToImport { T t; };" |
| 1360 | "void instantiate() { declToImport<int>(); }", |
| 1361 | Lang_CXX, "", Lang_CXX); |
| 1362 | |
| 1363 | auto Check = [](Decl *D) -> bool { |
| 1364 | auto TU = D->getTranslationUnitDecl(); |
| 1365 | for (auto Child : TU->decls()) { |
| 1366 | if (auto *RD = dyn_cast<CXXRecordDecl>(Child)) { |
| 1367 | if (RD->getNameAsString() == "declToImport") { |
| 1368 | GTEST_NONFATAL_FAILURE_( |
| 1369 | "TU should not contain any CXXRecordDecl with name declToImport"); |
| 1370 | return false; |
| 1371 | } |
| 1372 | } |
| 1373 | } |
| 1374 | return true; |
| 1375 | }; |
| 1376 | |
| 1377 | ASSERT_TRUE(Check(From)); |
| 1378 | EXPECT_TRUE(Check(To)); |
| 1379 | } |
| 1380 | |
Gabor Marton | 0b57ccb | 2019-02-07 16:52:48 +0000 | [diff] [blame] | 1381 | TEST_P(ASTImporterOptionSpecificTestBase, |
| 1382 | TUshouldNotContainTemplatedDeclOfTypeAlias) { |
Peter Szecsi | dedda6f | 2018-03-30 22:03:29 +0000 | [diff] [blame] | 1383 | Decl *From, *To; |
| 1384 | std::tie(From, To) = |
| 1385 | getImportedDecl( |
| 1386 | "template <typename T> struct X {};" |
| 1387 | "template <typename T> using declToImport = X<T>;" |
| 1388 | "void instantiate() { declToImport<int> a; }", |
| 1389 | Lang_CXX11, "", Lang_CXX11); |
| 1390 | |
| 1391 | auto Check = [](Decl *D) -> bool { |
| 1392 | auto TU = D->getTranslationUnitDecl(); |
| 1393 | for (auto Child : TU->decls()) { |
| 1394 | if (auto *AD = dyn_cast<TypeAliasDecl>(Child)) { |
| 1395 | if (AD->getNameAsString() == "declToImport") { |
| 1396 | GTEST_NONFATAL_FAILURE_( |
| 1397 | "TU should not contain any TypeAliasDecl with name declToImport"); |
| 1398 | return false; |
| 1399 | } |
| 1400 | } |
| 1401 | } |
| 1402 | return true; |
| 1403 | }; |
| 1404 | |
| 1405 | ASSERT_TRUE(Check(From)); |
| 1406 | EXPECT_TRUE(Check(To)); |
| 1407 | } |
| 1408 | |
Gabor Marton | 0b57ccb | 2019-02-07 16:52:48 +0000 | [diff] [blame] | 1409 | TEST_P(ASTImporterOptionSpecificTestBase, |
| 1410 | TUshouldNotContainClassTemplateSpecializationOfImplicitInstantiation) { |
Peter Szecsi | dedda6f | 2018-03-30 22:03:29 +0000 | [diff] [blame] | 1411 | |
| 1412 | Decl *From, *To; |
| 1413 | std::tie(From, To) = getImportedDecl( |
| 1414 | R"( |
| 1415 | template<class T> |
| 1416 | class Base {}; |
| 1417 | class declToImport : public Base<declToImport> {}; |
| 1418 | )", |
| 1419 | Lang_CXX, "", Lang_CXX); |
| 1420 | |
| 1421 | // Check that the ClassTemplateSpecializationDecl is NOT the child of the TU. |
| 1422 | auto Pattern = |
| 1423 | translationUnitDecl(unless(has(classTemplateSpecializationDecl()))); |
| 1424 | ASSERT_TRUE( |
| 1425 | MatchVerifier<Decl>{}.match(From->getTranslationUnitDecl(), Pattern)); |
| 1426 | EXPECT_TRUE( |
| 1427 | MatchVerifier<Decl>{}.match(To->getTranslationUnitDecl(), Pattern)); |
| 1428 | |
| 1429 | // Check that the ClassTemplateSpecializationDecl is the child of the |
| 1430 | // ClassTemplateDecl. |
| 1431 | Pattern = translationUnitDecl(has(classTemplateDecl( |
| 1432 | hasName("Base"), has(classTemplateSpecializationDecl())))); |
| 1433 | ASSERT_TRUE( |
| 1434 | MatchVerifier<Decl>{}.match(From->getTranslationUnitDecl(), Pattern)); |
| 1435 | EXPECT_TRUE( |
| 1436 | MatchVerifier<Decl>{}.match(To->getTranslationUnitDecl(), Pattern)); |
| 1437 | } |
| 1438 | |
Aleksei Sidorin | 04fbffc | 2018-04-24 10:11:53 +0000 | [diff] [blame] | 1439 | AST_MATCHER_P(RecordDecl, hasFieldOrder, std::vector<StringRef>, Order) { |
| 1440 | size_t Index = 0; |
Balazs Keri | 6e08669 | 2019-09-02 07:17:01 +0000 | [diff] [blame] | 1441 | for (Decl *D : Node.decls()) { |
| 1442 | if (isa<FieldDecl>(D) || isa<IndirectFieldDecl>(D)) { |
| 1443 | auto *ND = cast<NamedDecl>(D); |
| 1444 | if (Index == Order.size()) |
| 1445 | return false; |
| 1446 | if (ND->getName() != Order[Index]) |
| 1447 | return false; |
| 1448 | ++Index; |
| 1449 | } |
Aleksei Sidorin | 04fbffc | 2018-04-24 10:11:53 +0000 | [diff] [blame] | 1450 | } |
| 1451 | return Index == Order.size(); |
| 1452 | } |
| 1453 | |
Gabor Marton | 0b57ccb | 2019-02-07 16:52:48 +0000 | [diff] [blame] | 1454 | TEST_P(ASTImporterOptionSpecificTestBase, |
Peter Szecsi | dedda6f | 2018-03-30 22:03:29 +0000 | [diff] [blame] | 1455 | TUshouldContainClassTemplateSpecializationOfExplicitInstantiation) { |
| 1456 | Decl *From, *To; |
| 1457 | std::tie(From, To) = getImportedDecl( |
| 1458 | R"( |
| 1459 | namespace NS { |
| 1460 | template<class T> |
| 1461 | class X {}; |
| 1462 | template class X<int>; |
| 1463 | } |
| 1464 | )", |
| 1465 | Lang_CXX, "", Lang_CXX, "NS"); |
| 1466 | |
| 1467 | // Check that the ClassTemplateSpecializationDecl is NOT the child of the |
| 1468 | // ClassTemplateDecl. |
| 1469 | auto Pattern = namespaceDecl(has(classTemplateDecl( |
| 1470 | hasName("X"), unless(has(classTemplateSpecializationDecl()))))); |
| 1471 | ASSERT_TRUE(MatchVerifier<Decl>{}.match(From, Pattern)); |
| 1472 | EXPECT_TRUE(MatchVerifier<Decl>{}.match(To, Pattern)); |
| 1473 | |
| 1474 | // Check that the ClassTemplateSpecializationDecl is the child of the |
| 1475 | // NamespaceDecl. |
| 1476 | Pattern = namespaceDecl(has(classTemplateSpecializationDecl(hasName("X")))); |
| 1477 | ASSERT_TRUE(MatchVerifier<Decl>{}.match(From, Pattern)); |
| 1478 | EXPECT_TRUE(MatchVerifier<Decl>{}.match(To, Pattern)); |
| 1479 | } |
| 1480 | |
Gabor Marton | 0b57ccb | 2019-02-07 16:52:48 +0000 | [diff] [blame] | 1481 | TEST_P(ASTImporterOptionSpecificTestBase, |
| 1482 | CXXRecordDeclFieldsShouldBeInCorrectOrder) { |
Peter Szecsi | dedda6f | 2018-03-30 22:03:29 +0000 | [diff] [blame] | 1483 | Decl *From, *To; |
| 1484 | std::tie(From, To) = |
| 1485 | getImportedDecl( |
| 1486 | "struct declToImport { int a; int b; };", |
| 1487 | Lang_CXX11, "", Lang_CXX11); |
| 1488 | |
| 1489 | MatchVerifier<Decl> Verifier; |
| 1490 | ASSERT_TRUE(Verifier.match(From, cxxRecordDecl(hasFieldOrder({"a", "b"})))); |
| 1491 | EXPECT_TRUE(Verifier.match(To, cxxRecordDecl(hasFieldOrder({"a", "b"})))); |
| 1492 | } |
| 1493 | |
Gabor Marton | 0b57ccb | 2019-02-07 16:52:48 +0000 | [diff] [blame] | 1494 | TEST_P(ASTImporterOptionSpecificTestBase, |
Gabor Marton | 48b16e1 | 2019-07-25 09:07:17 +0000 | [diff] [blame] | 1495 | CXXRecordDeclFieldOrderShouldNotDependOnImportOrder) { |
Peter Szecsi | dedda6f | 2018-03-30 22:03:29 +0000 | [diff] [blame] | 1496 | Decl *From, *To; |
| 1497 | std::tie(From, To) = getImportedDecl( |
| 1498 | // The original recursive algorithm of ASTImporter first imports 'c' then |
| 1499 | // 'b' and lastly 'a'. Therefore we must restore the order somehow. |
| 1500 | R"s( |
| 1501 | struct declToImport { |
| 1502 | int a = c + b; |
| 1503 | int b = 1; |
| 1504 | int c = 2; |
| 1505 | }; |
| 1506 | )s", |
| 1507 | Lang_CXX11, "", Lang_CXX11); |
| 1508 | |
| 1509 | MatchVerifier<Decl> Verifier; |
| 1510 | ASSERT_TRUE( |
| 1511 | Verifier.match(From, cxxRecordDecl(hasFieldOrder({"a", "b", "c"})))); |
| 1512 | EXPECT_TRUE( |
| 1513 | Verifier.match(To, cxxRecordDecl(hasFieldOrder({"a", "b", "c"})))); |
| 1514 | } |
| 1515 | |
Balazs Keri | 6e08669 | 2019-09-02 07:17:01 +0000 | [diff] [blame] | 1516 | TEST_P(ASTImporterOptionSpecificTestBase, |
| 1517 | CXXRecordDeclFieldAndIndirectFieldOrder) { |
| 1518 | Decl *From, *To; |
| 1519 | std::tie(From, To) = getImportedDecl( |
| 1520 | // First field is "a", then the field for unnamed union, then "b" and "c" |
| 1521 | // from it (indirect fields), then "d". |
| 1522 | R"s( |
| 1523 | struct declToImport { |
| 1524 | int a = d; |
| 1525 | union { |
| 1526 | int b; |
| 1527 | int c; |
| 1528 | }; |
| 1529 | int d; |
| 1530 | }; |
| 1531 | )s", |
| 1532 | Lang_CXX11, "", Lang_CXX11); |
| 1533 | |
| 1534 | MatchVerifier<Decl> Verifier; |
| 1535 | ASSERT_TRUE(Verifier.match( |
| 1536 | From, cxxRecordDecl(hasFieldOrder({"a", "", "b", "c", "d"})))); |
| 1537 | EXPECT_TRUE(Verifier.match( |
| 1538 | To, cxxRecordDecl(hasFieldOrder({"a", "", "b", "c", "d"})))); |
| 1539 | } |
| 1540 | |
Gabor Marton | 0b57ccb | 2019-02-07 16:52:48 +0000 | [diff] [blame] | 1541 | TEST_P(ASTImporterOptionSpecificTestBase, ShouldImportImplicitCXXRecordDecl) { |
Peter Szecsi | dedda6f | 2018-03-30 22:03:29 +0000 | [diff] [blame] | 1542 | Decl *From, *To; |
| 1543 | std::tie(From, To) = getImportedDecl( |
| 1544 | R"( |
Gabor Marton | a3af567 | 2018-05-23 14:24:02 +0000 | [diff] [blame] | 1545 | struct declToImport { |
| 1546 | }; |
| 1547 | )", |
| 1548 | Lang_CXX, "", Lang_CXX); |
| 1549 | |
| 1550 | MatchVerifier<Decl> Verifier; |
| 1551 | // Match the implicit Decl. |
| 1552 | auto Matcher = cxxRecordDecl(has(cxxRecordDecl())); |
| 1553 | ASSERT_TRUE(Verifier.match(From, Matcher)); |
| 1554 | EXPECT_TRUE(Verifier.match(To, Matcher)); |
| 1555 | } |
| 1556 | |
Gabor Marton | 0b57ccb | 2019-02-07 16:52:48 +0000 | [diff] [blame] | 1557 | TEST_P(ASTImporterOptionSpecificTestBase, |
| 1558 | ShouldImportImplicitCXXRecordDeclOfClassTemplate) { |
Gabor Marton | a3af567 | 2018-05-23 14:24:02 +0000 | [diff] [blame] | 1559 | Decl *From, *To; |
| 1560 | std::tie(From, To) = getImportedDecl( |
| 1561 | R"( |
Peter Szecsi | dedda6f | 2018-03-30 22:03:29 +0000 | [diff] [blame] | 1562 | template <typename U> |
| 1563 | struct declToImport { |
| 1564 | }; |
| 1565 | )", |
| 1566 | Lang_CXX, "", Lang_CXX); |
| 1567 | |
| 1568 | MatchVerifier<Decl> Verifier; |
| 1569 | // Match the implicit Decl. |
| 1570 | auto Matcher = classTemplateDecl(has(cxxRecordDecl(has(cxxRecordDecl())))); |
| 1571 | ASSERT_TRUE(Verifier.match(From, Matcher)); |
| 1572 | EXPECT_TRUE(Verifier.match(To, Matcher)); |
| 1573 | } |
| 1574 | |
Gabor Marton | 0b57ccb | 2019-02-07 16:52:48 +0000 | [diff] [blame] | 1575 | TEST_P(ASTImporterOptionSpecificTestBase, |
| 1576 | ShouldImportImplicitCXXRecordDeclOfClassTemplateSpecializationDecl) { |
Peter Szecsi | dedda6f | 2018-03-30 22:03:29 +0000 | [diff] [blame] | 1577 | Decl *From, *To; |
| 1578 | std::tie(From, To) = getImportedDecl( |
| 1579 | R"( |
| 1580 | template<class T> |
| 1581 | class Base {}; |
| 1582 | class declToImport : public Base<declToImport> {}; |
| 1583 | )", |
| 1584 | Lang_CXX, "", Lang_CXX); |
| 1585 | |
| 1586 | auto hasImplicitClass = has(cxxRecordDecl()); |
| 1587 | auto Pattern = translationUnitDecl(has(classTemplateDecl( |
| 1588 | hasName("Base"), |
| 1589 | has(classTemplateSpecializationDecl(hasImplicitClass))))); |
| 1590 | ASSERT_TRUE( |
| 1591 | MatchVerifier<Decl>{}.match(From->getTranslationUnitDecl(), Pattern)); |
| 1592 | EXPECT_TRUE( |
| 1593 | MatchVerifier<Decl>{}.match(To->getTranslationUnitDecl(), Pattern)); |
| 1594 | } |
| 1595 | |
Gabor Marton | 0b57ccb | 2019-02-07 16:52:48 +0000 | [diff] [blame] | 1596 | TEST_P(ASTImporterOptionSpecificTestBase, IDNSOrdinary) { |
Peter Szecsi | dedda6f | 2018-03-30 22:03:29 +0000 | [diff] [blame] | 1597 | Decl *From, *To; |
| 1598 | std::tie(From, To) = |
| 1599 | getImportedDecl("void declToImport() {}", Lang_CXX, "", Lang_CXX); |
| 1600 | |
| 1601 | MatchVerifier<Decl> Verifier; |
| 1602 | auto Matcher = functionDecl(); |
| 1603 | ASSERT_TRUE(Verifier.match(From, Matcher)); |
| 1604 | EXPECT_TRUE(Verifier.match(To, Matcher)); |
| 1605 | EXPECT_EQ(From->getIdentifierNamespace(), To->getIdentifierNamespace()); |
| 1606 | } |
| 1607 | |
Gabor Marton | 0b57ccb | 2019-02-07 16:52:48 +0000 | [diff] [blame] | 1608 | TEST_P(ASTImporterOptionSpecificTestBase, IDNSOfNonmemberOperator) { |
Peter Szecsi | dedda6f | 2018-03-30 22:03:29 +0000 | [diff] [blame] | 1609 | Decl *FromTU = getTuDecl( |
| 1610 | R"( |
| 1611 | struct X {}; |
| 1612 | void operator<<(int, X); |
| 1613 | )", |
| 1614 | Lang_CXX); |
| 1615 | Decl *From = LastDeclMatcher<Decl>{}.match(FromTU, functionDecl()); |
| 1616 | const Decl *To = Import(From, Lang_CXX); |
| 1617 | EXPECT_EQ(From->getIdentifierNamespace(), To->getIdentifierNamespace()); |
| 1618 | } |
| 1619 | |
Gabor Marton | 0b57ccb | 2019-02-07 16:52:48 +0000 | [diff] [blame] | 1620 | TEST_P(ASTImporterOptionSpecificTestBase, |
Peter Szecsi | dedda6f | 2018-03-30 22:03:29 +0000 | [diff] [blame] | 1621 | ShouldImportMembersOfClassTemplateSpecializationDecl) { |
| 1622 | Decl *From, *To; |
| 1623 | std::tie(From, To) = getImportedDecl( |
| 1624 | R"( |
| 1625 | template<class T> |
| 1626 | class Base { int a; }; |
| 1627 | class declToImport : Base<declToImport> {}; |
| 1628 | )", |
| 1629 | Lang_CXX, "", Lang_CXX); |
| 1630 | |
| 1631 | auto Pattern = translationUnitDecl(has(classTemplateDecl( |
| 1632 | hasName("Base"), |
| 1633 | has(classTemplateSpecializationDecl(has(fieldDecl(hasName("a")))))))); |
| 1634 | ASSERT_TRUE( |
| 1635 | MatchVerifier<Decl>{}.match(From->getTranslationUnitDecl(), Pattern)); |
| 1636 | EXPECT_TRUE( |
| 1637 | MatchVerifier<Decl>{}.match(To->getTranslationUnitDecl(), Pattern)); |
| 1638 | } |
| 1639 | |
Gabor Marton | 0b57ccb | 2019-02-07 16:52:48 +0000 | [diff] [blame] | 1640 | TEST_P(ASTImporterOptionSpecificTestBase, |
| 1641 | ImportDefinitionOfClassTemplateAfterFwdDecl) { |
Aleksei Sidorin | 761c224 | 2018-05-15 11:09:07 +0000 | [diff] [blame] | 1642 | { |
| 1643 | Decl *FromTU = getTuDecl( |
| 1644 | R"( |
| 1645 | template <typename T> |
| 1646 | struct B; |
| 1647 | )", |
| 1648 | Lang_CXX, "input0.cc"); |
| 1649 | auto *FromD = FirstDeclMatcher<ClassTemplateDecl>().match( |
| 1650 | FromTU, classTemplateDecl(hasName("B"))); |
| 1651 | |
| 1652 | Import(FromD, Lang_CXX); |
| 1653 | } |
| 1654 | |
| 1655 | { |
| 1656 | Decl *FromTU = getTuDecl( |
| 1657 | R"( |
| 1658 | template <typename T> |
| 1659 | struct B { |
| 1660 | void f(); |
| 1661 | }; |
| 1662 | )", |
| 1663 | Lang_CXX, "input1.cc"); |
| 1664 | FunctionDecl *FromD = FirstDeclMatcher<FunctionDecl>().match( |
| 1665 | FromTU, functionDecl(hasName("f"))); |
| 1666 | Import(FromD, Lang_CXX); |
| 1667 | auto *FromCTD = FirstDeclMatcher<ClassTemplateDecl>().match( |
| 1668 | FromTU, classTemplateDecl(hasName("B"))); |
| 1669 | auto *ToCTD = cast<ClassTemplateDecl>(Import(FromCTD, Lang_CXX)); |
| 1670 | EXPECT_TRUE(ToCTD->isThisDeclarationADefinition()); |
| 1671 | } |
| 1672 | } |
| 1673 | |
Gabor Marton | 0b57ccb | 2019-02-07 16:52:48 +0000 | [diff] [blame] | 1674 | TEST_P(ASTImporterOptionSpecificTestBase, |
Gabor Marton | 9581c33 | 2018-05-23 13:53:36 +0000 | [diff] [blame] | 1675 | ImportDefinitionOfClassTemplateIfThereIsAnExistingFwdDeclAndDefinition) { |
| 1676 | Decl *ToTU = getToTuDecl( |
| 1677 | R"( |
| 1678 | template <typename T> |
| 1679 | struct B { |
| 1680 | void f(); |
| 1681 | }; |
| 1682 | |
| 1683 | template <typename T> |
| 1684 | struct B; |
| 1685 | )", |
| 1686 | Lang_CXX); |
| 1687 | ASSERT_EQ(1u, DeclCounterWithPredicate<ClassTemplateDecl>( |
| 1688 | [](const ClassTemplateDecl *T) { |
| 1689 | return T->isThisDeclarationADefinition(); |
| 1690 | }) |
| 1691 | .match(ToTU, classTemplateDecl())); |
| 1692 | |
| 1693 | Decl *FromTU = getTuDecl( |
| 1694 | R"( |
| 1695 | template <typename T> |
| 1696 | struct B { |
| 1697 | void f(); |
| 1698 | }; |
| 1699 | )", |
| 1700 | Lang_CXX, "input1.cc"); |
| 1701 | ClassTemplateDecl *FromD = FirstDeclMatcher<ClassTemplateDecl>().match( |
| 1702 | FromTU, classTemplateDecl(hasName("B"))); |
| 1703 | |
| 1704 | Import(FromD, Lang_CXX); |
| 1705 | |
| 1706 | // We should have only one definition. |
| 1707 | EXPECT_EQ(1u, DeclCounterWithPredicate<ClassTemplateDecl>( |
| 1708 | [](const ClassTemplateDecl *T) { |
| 1709 | return T->isThisDeclarationADefinition(); |
| 1710 | }) |
| 1711 | .match(ToTU, classTemplateDecl())); |
| 1712 | } |
| 1713 | |
Gabor Marton | 0b57ccb | 2019-02-07 16:52:48 +0000 | [diff] [blame] | 1714 | TEST_P(ASTImporterOptionSpecificTestBase, |
Gabor Marton | 9581c33 | 2018-05-23 13:53:36 +0000 | [diff] [blame] | 1715 | ImportDefinitionOfClassIfThereIsAnExistingFwdDeclAndDefinition) { |
| 1716 | Decl *ToTU = getToTuDecl( |
| 1717 | R"( |
| 1718 | struct B { |
| 1719 | void f(); |
| 1720 | }; |
| 1721 | |
| 1722 | struct B; |
| 1723 | )", |
| 1724 | Lang_CXX); |
| 1725 | ASSERT_EQ(2u, DeclCounter<CXXRecordDecl>().match( |
Hans Wennborg | d0a8ad3 | 2018-05-24 10:49:38 +0000 | [diff] [blame] | 1726 | ToTU, cxxRecordDecl(unless(isImplicit())))); |
Gabor Marton | 9581c33 | 2018-05-23 13:53:36 +0000 | [diff] [blame] | 1727 | |
| 1728 | Decl *FromTU = getTuDecl( |
| 1729 | R"( |
| 1730 | struct B { |
| 1731 | void f(); |
| 1732 | }; |
| 1733 | )", |
| 1734 | Lang_CXX, "input1.cc"); |
| 1735 | auto *FromD = FirstDeclMatcher<CXXRecordDecl>().match( |
| 1736 | FromTU, cxxRecordDecl(hasName("B"))); |
| 1737 | |
| 1738 | Import(FromD, Lang_CXX); |
| 1739 | |
| 1740 | EXPECT_EQ(2u, DeclCounter<CXXRecordDecl>().match( |
Hans Wennborg | d0a8ad3 | 2018-05-24 10:49:38 +0000 | [diff] [blame] | 1741 | ToTU, cxxRecordDecl(unless(isImplicit())))); |
Gabor Marton | 9581c33 | 2018-05-23 13:53:36 +0000 | [diff] [blame] | 1742 | } |
| 1743 | |
Rafael Stahl | 29f37fb | 2018-07-04 13:34:05 +0000 | [diff] [blame] | 1744 | static void CompareSourceLocs(FullSourceLoc Loc1, FullSourceLoc Loc2) { |
| 1745 | EXPECT_EQ(Loc1.getExpansionLineNumber(), Loc2.getExpansionLineNumber()); |
| 1746 | EXPECT_EQ(Loc1.getExpansionColumnNumber(), Loc2.getExpansionColumnNumber()); |
| 1747 | EXPECT_EQ(Loc1.getSpellingLineNumber(), Loc2.getSpellingLineNumber()); |
| 1748 | EXPECT_EQ(Loc1.getSpellingColumnNumber(), Loc2.getSpellingColumnNumber()); |
| 1749 | } |
| 1750 | static void CompareSourceRanges(SourceRange Range1, SourceRange Range2, |
| 1751 | SourceManager &SM1, SourceManager &SM2) { |
| 1752 | CompareSourceLocs(FullSourceLoc{ Range1.getBegin(), SM1 }, |
| 1753 | FullSourceLoc{ Range2.getBegin(), SM2 }); |
| 1754 | CompareSourceLocs(FullSourceLoc{ Range1.getEnd(), SM1 }, |
| 1755 | FullSourceLoc{ Range2.getEnd(), SM2 }); |
| 1756 | } |
Gabor Marton | 0b57ccb | 2019-02-07 16:52:48 +0000 | [diff] [blame] | 1757 | TEST_P(ASTImporterOptionSpecificTestBase, ImportSourceLocs) { |
Rafael Stahl | 29f37fb | 2018-07-04 13:34:05 +0000 | [diff] [blame] | 1758 | Decl *FromTU = getTuDecl( |
| 1759 | R"( |
| 1760 | #define MFOO(arg) arg = arg + 1 |
| 1761 | |
| 1762 | void foo() { |
| 1763 | int a = 5; |
| 1764 | MFOO(a); |
| 1765 | } |
| 1766 | )", |
| 1767 | Lang_CXX); |
| 1768 | auto FromD = FirstDeclMatcher<FunctionDecl>().match(FromTU, functionDecl()); |
| 1769 | auto ToD = Import(FromD, Lang_CXX); |
| 1770 | |
| 1771 | auto ToLHS = LastDeclMatcher<DeclRefExpr>().match(ToD, declRefExpr()); |
| 1772 | auto FromLHS = LastDeclMatcher<DeclRefExpr>().match(FromTU, declRefExpr()); |
| 1773 | auto ToRHS = LastDeclMatcher<IntegerLiteral>().match(ToD, integerLiteral()); |
| 1774 | auto FromRHS = |
| 1775 | LastDeclMatcher<IntegerLiteral>().match(FromTU, integerLiteral()); |
| 1776 | |
| 1777 | SourceManager &ToSM = ToAST->getASTContext().getSourceManager(); |
| 1778 | SourceManager &FromSM = FromD->getASTContext().getSourceManager(); |
| 1779 | CompareSourceRanges(ToD->getSourceRange(), FromD->getSourceRange(), ToSM, |
| 1780 | FromSM); |
| 1781 | CompareSourceRanges(ToLHS->getSourceRange(), FromLHS->getSourceRange(), ToSM, |
| 1782 | FromSM); |
| 1783 | CompareSourceRanges(ToRHS->getSourceRange(), FromRHS->getSourceRange(), ToSM, |
| 1784 | FromSM); |
| 1785 | } |
| 1786 | |
Gabor Marton | 0b57ccb | 2019-02-07 16:52:48 +0000 | [diff] [blame] | 1787 | TEST_P(ASTImporterOptionSpecificTestBase, ImportNestedMacro) { |
Rafael Stahl | 29f37fb | 2018-07-04 13:34:05 +0000 | [diff] [blame] | 1788 | Decl *FromTU = getTuDecl( |
| 1789 | R"( |
| 1790 | #define FUNC_INT void declToImport |
| 1791 | #define FUNC FUNC_INT |
| 1792 | FUNC(int a); |
| 1793 | )", |
| 1794 | Lang_CXX); |
| 1795 | auto FromD = FirstDeclMatcher<FunctionDecl>().match(FromTU, functionDecl()); |
| 1796 | auto ToD = Import(FromD, Lang_CXX); |
| 1797 | |
| 1798 | SourceManager &ToSM = ToAST->getASTContext().getSourceManager(); |
| 1799 | SourceManager &FromSM = FromD->getASTContext().getSourceManager(); |
| 1800 | CompareSourceRanges(ToD->getSourceRange(), FromD->getSourceRange(), ToSM, |
| 1801 | FromSM); |
| 1802 | } |
| 1803 | |
Gabor Marton | 9581c33 | 2018-05-23 13:53:36 +0000 | [diff] [blame] | 1804 | TEST_P( |
Gabor Marton | 0b57ccb | 2019-02-07 16:52:48 +0000 | [diff] [blame] | 1805 | ASTImporterOptionSpecificTestBase, |
| 1806 | ImportDefinitionOfClassTemplateSpecIfThereIsAnExistingFwdDeclAndDefinition) { |
Gabor Marton | 9581c33 | 2018-05-23 13:53:36 +0000 | [diff] [blame] | 1807 | Decl *ToTU = getToTuDecl( |
| 1808 | R"( |
| 1809 | template <typename T> |
| 1810 | struct B; |
| 1811 | |
| 1812 | template <> |
| 1813 | struct B<int> {}; |
| 1814 | |
| 1815 | template <> |
| 1816 | struct B<int>; |
| 1817 | )", |
| 1818 | Lang_CXX); |
| 1819 | // We should have only one definition. |
| 1820 | ASSERT_EQ(1u, DeclCounterWithPredicate<ClassTemplateSpecializationDecl>( |
| 1821 | [](const ClassTemplateSpecializationDecl *T) { |
| 1822 | return T->isThisDeclarationADefinition(); |
| 1823 | }) |
| 1824 | .match(ToTU, classTemplateSpecializationDecl())); |
| 1825 | |
| 1826 | Decl *FromTU = getTuDecl( |
| 1827 | R"( |
| 1828 | template <typename T> |
| 1829 | struct B; |
| 1830 | |
| 1831 | template <> |
| 1832 | struct B<int> {}; |
| 1833 | )", |
| 1834 | Lang_CXX, "input1.cc"); |
| 1835 | auto *FromD = FirstDeclMatcher<ClassTemplateSpecializationDecl>().match( |
| 1836 | FromTU, classTemplateSpecializationDecl(hasName("B"))); |
| 1837 | |
| 1838 | Import(FromD, Lang_CXX); |
| 1839 | |
| 1840 | // We should have only one definition. |
| 1841 | EXPECT_EQ(1u, DeclCounterWithPredicate<ClassTemplateSpecializationDecl>( |
| 1842 | [](const ClassTemplateSpecializationDecl *T) { |
| 1843 | return T->isThisDeclarationADefinition(); |
| 1844 | }) |
| 1845 | .match(ToTU, classTemplateSpecializationDecl())); |
| 1846 | } |
| 1847 | |
Gabor Marton | 0b57ccb | 2019-02-07 16:52:48 +0000 | [diff] [blame] | 1848 | TEST_P(ASTImporterOptionSpecificTestBase, ObjectsWithUnnamedStructType) { |
Gabor Marton | 0bebf95 | 2018-07-05 09:51:13 +0000 | [diff] [blame] | 1849 | Decl *FromTU = getTuDecl( |
| 1850 | R"( |
| 1851 | struct { int a; int b; } object0 = { 2, 3 }; |
| 1852 | struct { int x; int y; int z; } object1; |
| 1853 | )", |
| 1854 | Lang_CXX, "input0.cc"); |
| 1855 | |
Gabor Marton | 0bebf95 | 2018-07-05 09:51:13 +0000 | [diff] [blame] | 1856 | auto *Obj0 = |
| 1857 | FirstDeclMatcher<VarDecl>().match(FromTU, varDecl(hasName("object0"))); |
| 1858 | auto *From0 = getRecordDecl(Obj0); |
| 1859 | auto *Obj1 = |
| 1860 | FirstDeclMatcher<VarDecl>().match(FromTU, varDecl(hasName("object1"))); |
| 1861 | auto *From1 = getRecordDecl(Obj1); |
| 1862 | |
| 1863 | auto *To0 = Import(From0, Lang_CXX); |
| 1864 | auto *To1 = Import(From1, Lang_CXX); |
| 1865 | |
| 1866 | EXPECT_TRUE(To0); |
| 1867 | EXPECT_TRUE(To1); |
| 1868 | EXPECT_NE(To0, To1); |
| 1869 | EXPECT_NE(To0->getCanonicalDecl(), To1->getCanonicalDecl()); |
| 1870 | } |
| 1871 | |
Gabor Marton | 0b57ccb | 2019-02-07 16:52:48 +0000 | [diff] [blame] | 1872 | TEST_P(ASTImporterOptionSpecificTestBase, AnonymousRecords) { |
Gabor Marton | 7df342a | 2018-12-17 12:42:12 +0000 | [diff] [blame] | 1873 | auto *Code = |
| 1874 | R"( |
| 1875 | struct X { |
| 1876 | struct { int a; }; |
| 1877 | struct { int b; }; |
| 1878 | }; |
| 1879 | )"; |
| 1880 | Decl *FromTU0 = getTuDecl(Code, Lang_C, "input0.c"); |
| 1881 | |
| 1882 | Decl *FromTU1 = getTuDecl(Code, Lang_C, "input1.c"); |
| 1883 | |
| 1884 | auto *X0 = |
| 1885 | FirstDeclMatcher<RecordDecl>().match(FromTU0, recordDecl(hasName("X"))); |
| 1886 | auto *X1 = |
| 1887 | FirstDeclMatcher<RecordDecl>().match(FromTU1, recordDecl(hasName("X"))); |
| 1888 | Import(X0, Lang_C); |
| 1889 | Import(X1, Lang_C); |
| 1890 | |
| 1891 | auto *ToTU = ToAST->getASTContext().getTranslationUnitDecl(); |
| 1892 | // We expect no (ODR) warning during the import. |
| 1893 | EXPECT_EQ(0u, ToTU->getASTContext().getDiagnostics().getNumWarnings()); |
| 1894 | EXPECT_EQ(1u, |
| 1895 | DeclCounter<RecordDecl>().match(ToTU, recordDecl(hasName("X")))); |
| 1896 | } |
| 1897 | |
Gabor Marton | 0b57ccb | 2019-02-07 16:52:48 +0000 | [diff] [blame] | 1898 | TEST_P(ASTImporterOptionSpecificTestBase, AnonymousRecordsReversed) { |
Gabor Marton | 7df342a | 2018-12-17 12:42:12 +0000 | [diff] [blame] | 1899 | Decl *FromTU0 = getTuDecl( |
| 1900 | R"( |
| 1901 | struct X { |
| 1902 | struct { int a; }; |
| 1903 | struct { int b; }; |
| 1904 | }; |
| 1905 | )", |
| 1906 | Lang_C, "input0.c"); |
| 1907 | |
| 1908 | Decl *FromTU1 = getTuDecl( |
| 1909 | R"( |
| 1910 | struct X { // reversed order |
| 1911 | struct { int b; }; |
| 1912 | struct { int a; }; |
| 1913 | }; |
| 1914 | )", |
| 1915 | Lang_C, "input1.c"); |
| 1916 | |
| 1917 | auto *X0 = |
| 1918 | FirstDeclMatcher<RecordDecl>().match(FromTU0, recordDecl(hasName("X"))); |
| 1919 | auto *X1 = |
| 1920 | FirstDeclMatcher<RecordDecl>().match(FromTU1, recordDecl(hasName("X"))); |
| 1921 | Import(X0, Lang_C); |
| 1922 | Import(X1, Lang_C); |
| 1923 | |
| 1924 | auto *ToTU = ToAST->getASTContext().getTranslationUnitDecl(); |
| 1925 | // We expect one (ODR) warning during the import. |
| 1926 | EXPECT_EQ(1u, ToTU->getASTContext().getDiagnostics().getNumWarnings()); |
Gabor Marton | f035b75 | 2019-08-27 11:36:10 +0000 | [diff] [blame] | 1927 | EXPECT_EQ(1u, |
Gabor Marton | 7df342a | 2018-12-17 12:42:12 +0000 | [diff] [blame] | 1928 | DeclCounter<RecordDecl>().match(ToTU, recordDecl(hasName("X")))); |
| 1929 | } |
| 1930 | |
Gabor Marton | 0b57ccb | 2019-02-07 16:52:48 +0000 | [diff] [blame] | 1931 | TEST_P(ASTImporterOptionSpecificTestBase, ImportDoesUpdateUsedFlag) { |
Gabor Marton | 26f72a9 | 2018-07-12 09:42:05 +0000 | [diff] [blame] | 1932 | auto Pattern = varDecl(hasName("x")); |
| 1933 | VarDecl *Imported1; |
| 1934 | { |
| 1935 | Decl *FromTU = getTuDecl("extern int x;", Lang_CXX, "input0.cc"); |
| 1936 | auto *FromD = FirstDeclMatcher<VarDecl>().match(FromTU, Pattern); |
| 1937 | Imported1 = cast<VarDecl>(Import(FromD, Lang_CXX)); |
| 1938 | } |
| 1939 | VarDecl *Imported2; |
| 1940 | { |
| 1941 | Decl *FromTU = getTuDecl("int x;", Lang_CXX, "input1.cc"); |
| 1942 | auto *FromD = FirstDeclMatcher<VarDecl>().match(FromTU, Pattern); |
| 1943 | Imported2 = cast<VarDecl>(Import(FromD, Lang_CXX)); |
| 1944 | } |
| 1945 | EXPECT_EQ(Imported1->getCanonicalDecl(), Imported2->getCanonicalDecl()); |
| 1946 | EXPECT_FALSE(Imported2->isUsed(false)); |
| 1947 | { |
| 1948 | Decl *FromTU = |
| 1949 | getTuDecl("extern int x; int f() { return x; }", Lang_CXX, "input2.cc"); |
Gabor Marton | ac3a5d6 | 2018-09-17 12:04:52 +0000 | [diff] [blame] | 1950 | auto *FromD = FirstDeclMatcher<FunctionDecl>().match( |
| 1951 | FromTU, functionDecl(hasName("f"))); |
Gabor Marton | 26f72a9 | 2018-07-12 09:42:05 +0000 | [diff] [blame] | 1952 | Import(FromD, Lang_CXX); |
| 1953 | } |
| 1954 | EXPECT_TRUE(Imported2->isUsed(false)); |
| 1955 | } |
| 1956 | |
Gabor Marton | 0b57ccb | 2019-02-07 16:52:48 +0000 | [diff] [blame] | 1957 | TEST_P(ASTImporterOptionSpecificTestBase, ImportDoesUpdateUsedFlag2) { |
Gabor Marton | ac3a5d6 | 2018-09-17 12:04:52 +0000 | [diff] [blame] | 1958 | auto Pattern = varDecl(hasName("x")); |
| 1959 | VarDecl *ExistingD; |
| 1960 | { |
| 1961 | Decl *ToTU = getToTuDecl("int x = 1;", Lang_CXX); |
| 1962 | ExistingD = FirstDeclMatcher<VarDecl>().match(ToTU, Pattern); |
| 1963 | } |
| 1964 | EXPECT_FALSE(ExistingD->isUsed(false)); |
| 1965 | { |
| 1966 | Decl *FromTU = getTuDecl( |
| 1967 | "int x = 1; int f() { return x; }", Lang_CXX, "input1.cc"); |
| 1968 | auto *FromD = FirstDeclMatcher<FunctionDecl>().match( |
| 1969 | FromTU, functionDecl(hasName("f"))); |
| 1970 | Import(FromD, Lang_CXX); |
| 1971 | } |
| 1972 | EXPECT_TRUE(ExistingD->isUsed(false)); |
| 1973 | } |
| 1974 | |
Gabor Marton | 0b57ccb | 2019-02-07 16:52:48 +0000 | [diff] [blame] | 1975 | TEST_P(ASTImporterOptionSpecificTestBase, ImportDoesUpdateUsedFlag3) { |
Gabor Marton | ac3a5d6 | 2018-09-17 12:04:52 +0000 | [diff] [blame] | 1976 | auto Pattern = varDecl(hasName("a")); |
| 1977 | VarDecl *ExistingD; |
| 1978 | { |
| 1979 | Decl *ToTU = getToTuDecl( |
| 1980 | R"( |
| 1981 | struct A { |
| 1982 | static const int a = 1; |
| 1983 | }; |
| 1984 | )", Lang_CXX); |
| 1985 | ExistingD = FirstDeclMatcher<VarDecl>().match(ToTU, Pattern); |
| 1986 | } |
| 1987 | EXPECT_FALSE(ExistingD->isUsed(false)); |
| 1988 | { |
| 1989 | Decl *FromTU = getTuDecl( |
| 1990 | R"( |
| 1991 | struct A { |
| 1992 | static const int a = 1; |
| 1993 | }; |
| 1994 | const int *f() { return &A::a; } // requires storage, |
| 1995 | // thus used flag will be set |
| 1996 | )", Lang_CXX, "input1.cc"); |
| 1997 | auto *FromFunD = FirstDeclMatcher<FunctionDecl>().match( |
| 1998 | FromTU, functionDecl(hasName("f"))); |
| 1999 | auto *FromD = FirstDeclMatcher<VarDecl>().match(FromTU, Pattern); |
| 2000 | ASSERT_TRUE(FromD->isUsed(false)); |
| 2001 | Import(FromFunD, Lang_CXX); |
| 2002 | } |
| 2003 | EXPECT_TRUE(ExistingD->isUsed(false)); |
| 2004 | } |
| 2005 | |
Gabor Marton | 0b57ccb | 2019-02-07 16:52:48 +0000 | [diff] [blame] | 2006 | TEST_P(ASTImporterOptionSpecificTestBase, ReimportWithUsedFlag) { |
Gabor Marton | 26f72a9 | 2018-07-12 09:42:05 +0000 | [diff] [blame] | 2007 | auto Pattern = varDecl(hasName("x")); |
| 2008 | |
| 2009 | Decl *FromTU = getTuDecl("int x;", Lang_CXX, "input0.cc"); |
| 2010 | auto *FromD = FirstDeclMatcher<VarDecl>().match(FromTU, Pattern); |
| 2011 | |
| 2012 | auto *Imported1 = cast<VarDecl>(Import(FromD, Lang_CXX)); |
| 2013 | |
| 2014 | ASSERT_FALSE(Imported1->isUsed(false)); |
| 2015 | |
| 2016 | FromD->setIsUsed(); |
| 2017 | auto *Imported2 = cast<VarDecl>(Import(FromD, Lang_CXX)); |
| 2018 | |
| 2019 | EXPECT_EQ(Imported1, Imported2); |
| 2020 | EXPECT_TRUE(Imported2->isUsed(false)); |
| 2021 | } |
| 2022 | |
Gabor Marton | 0b57ccb | 2019-02-07 16:52:48 +0000 | [diff] [blame] | 2023 | struct ImportFunctions : ASTImporterOptionSpecificTestBase {}; |
Peter Szecsi | dedda6f | 2018-03-30 22:03:29 +0000 | [diff] [blame] | 2024 | |
Gabor Marton | 5254e64 | 2018-06-27 13:32:50 +0000 | [diff] [blame] | 2025 | TEST_P(ImportFunctions, ImportPrototypeOfRecursiveFunction) { |
Peter Szecsi | dedda6f | 2018-03-30 22:03:29 +0000 | [diff] [blame] | 2026 | Decl *FromTU = getTuDecl("void f(); void f() { f(); }", Lang_CXX); |
| 2027 | auto Pattern = functionDecl(hasName("f")); |
Gabor Marton | 5254e64 | 2018-06-27 13:32:50 +0000 | [diff] [blame] | 2028 | auto *From = |
| 2029 | FirstDeclMatcher<FunctionDecl>().match(FromTU, Pattern); // Proto |
Peter Szecsi | dedda6f | 2018-03-30 22:03:29 +0000 | [diff] [blame] | 2030 | |
Gabor Marton | 5254e64 | 2018-06-27 13:32:50 +0000 | [diff] [blame] | 2031 | Decl *ImportedD = Import(From, Lang_CXX); |
Peter Szecsi | dedda6f | 2018-03-30 22:03:29 +0000 | [diff] [blame] | 2032 | Decl *ToTU = ImportedD->getTranslationUnitDecl(); |
| 2033 | |
Gabor Marton | 5254e64 | 2018-06-27 13:32:50 +0000 | [diff] [blame] | 2034 | EXPECT_EQ(DeclCounter<FunctionDecl>().match(ToTU, Pattern), 2u); |
| 2035 | auto *To0 = FirstDeclMatcher<FunctionDecl>().match(ToTU, Pattern); |
| 2036 | auto *To1 = LastDeclMatcher<FunctionDecl>().match(ToTU, Pattern); |
| 2037 | EXPECT_TRUE(ImportedD == To0); |
| 2038 | EXPECT_FALSE(To0->doesThisDeclarationHaveABody()); |
| 2039 | EXPECT_TRUE(To1->doesThisDeclarationHaveABody()); |
| 2040 | EXPECT_EQ(To1->getPreviousDecl(), To0); |
Peter Szecsi | dedda6f | 2018-03-30 22:03:29 +0000 | [diff] [blame] | 2041 | } |
| 2042 | |
| 2043 | TEST_P(ImportFunctions, ImportDefinitionOfRecursiveFunction) { |
| 2044 | Decl *FromTU = getTuDecl("void f(); void f() { f(); }", Lang_CXX); |
| 2045 | auto Pattern = functionDecl(hasName("f")); |
Gabor Marton | 5254e64 | 2018-06-27 13:32:50 +0000 | [diff] [blame] | 2046 | auto *From = |
| 2047 | LastDeclMatcher<FunctionDecl>().match(FromTU, Pattern); // Def |
Peter Szecsi | dedda6f | 2018-03-30 22:03:29 +0000 | [diff] [blame] | 2048 | |
Gabor Marton | 5254e64 | 2018-06-27 13:32:50 +0000 | [diff] [blame] | 2049 | Decl *ImportedD = Import(From, Lang_CXX); |
Peter Szecsi | dedda6f | 2018-03-30 22:03:29 +0000 | [diff] [blame] | 2050 | Decl *ToTU = ImportedD->getTranslationUnitDecl(); |
| 2051 | |
Gabor Marton | 5254e64 | 2018-06-27 13:32:50 +0000 | [diff] [blame] | 2052 | EXPECT_EQ(DeclCounter<FunctionDecl>().match(ToTU, Pattern), 2u); |
| 2053 | auto *To0 = FirstDeclMatcher<FunctionDecl>().match(ToTU, Pattern); |
| 2054 | auto *To1 = LastDeclMatcher<FunctionDecl>().match(ToTU, Pattern); |
| 2055 | EXPECT_TRUE(ImportedD == To1); |
| 2056 | EXPECT_FALSE(To0->doesThisDeclarationHaveABody()); |
| 2057 | EXPECT_TRUE(To1->doesThisDeclarationHaveABody()); |
| 2058 | EXPECT_EQ(To1->getPreviousDecl(), To0); |
Peter Szecsi | dedda6f | 2018-03-30 22:03:29 +0000 | [diff] [blame] | 2059 | } |
| 2060 | |
Peter Szecsi | dedda6f | 2018-03-30 22:03:29 +0000 | [diff] [blame] | 2061 | TEST_P(ImportFunctions, OverriddenMethodsShouldBeImported) { |
| 2062 | auto Code = |
| 2063 | R"( |
| 2064 | struct B { virtual void f(); }; |
| 2065 | void B::f() {} |
| 2066 | struct D : B { void f(); }; |
| 2067 | )"; |
| 2068 | auto Pattern = |
| 2069 | cxxMethodDecl(hasName("f"), hasParent(cxxRecordDecl(hasName("D")))); |
| 2070 | Decl *FromTU = getTuDecl(Code, Lang_CXX); |
| 2071 | CXXMethodDecl *Proto = |
| 2072 | FirstDeclMatcher<CXXMethodDecl>().match(FromTU, Pattern); |
| 2073 | |
| 2074 | ASSERT_EQ(Proto->size_overridden_methods(), 1u); |
| 2075 | CXXMethodDecl *To = cast<CXXMethodDecl>(Import(Proto, Lang_CXX)); |
| 2076 | EXPECT_EQ(To->size_overridden_methods(), 1u); |
| 2077 | } |
| 2078 | |
| 2079 | TEST_P(ImportFunctions, VirtualFlagShouldBePreservedWhenImportingPrototype) { |
| 2080 | auto Code = |
| 2081 | R"( |
| 2082 | struct B { virtual void f(); }; |
| 2083 | void B::f() {} |
| 2084 | )"; |
| 2085 | auto Pattern = |
| 2086 | cxxMethodDecl(hasName("f"), hasParent(cxxRecordDecl(hasName("B")))); |
| 2087 | Decl *FromTU = getTuDecl(Code, Lang_CXX); |
| 2088 | CXXMethodDecl *Proto = |
| 2089 | FirstDeclMatcher<CXXMethodDecl>().match(FromTU, Pattern); |
| 2090 | CXXMethodDecl *Def = LastDeclMatcher<CXXMethodDecl>().match(FromTU, Pattern); |
| 2091 | |
| 2092 | ASSERT_TRUE(Proto->isVirtual()); |
| 2093 | ASSERT_TRUE(Def->isVirtual()); |
| 2094 | CXXMethodDecl *To = cast<CXXMethodDecl>(Import(Proto, Lang_CXX)); |
| 2095 | EXPECT_TRUE(To->isVirtual()); |
| 2096 | } |
| 2097 | |
Gabor Marton | 5254e64 | 2018-06-27 13:32:50 +0000 | [diff] [blame] | 2098 | TEST_P(ImportFunctions, |
| 2099 | ImportDefinitionIfThereIsAnExistingDefinitionAndFwdDecl) { |
| 2100 | Decl *ToTU = getToTuDecl( |
| 2101 | R"( |
| 2102 | void f() {} |
| 2103 | void f(); |
| 2104 | )", |
| 2105 | Lang_CXX); |
| 2106 | ASSERT_EQ(1u, |
| 2107 | DeclCounterWithPredicate<FunctionDecl>([](const FunctionDecl *FD) { |
| 2108 | return FD->doesThisDeclarationHaveABody(); |
| 2109 | }).match(ToTU, functionDecl())); |
| 2110 | |
| 2111 | Decl *FromTU = getTuDecl("void f() {}", Lang_CXX, "input0.cc"); |
| 2112 | auto *FromD = FirstDeclMatcher<FunctionDecl>().match(FromTU, functionDecl()); |
| 2113 | |
| 2114 | Import(FromD, Lang_CXX); |
| 2115 | |
| 2116 | EXPECT_EQ(1u, |
| 2117 | DeclCounterWithPredicate<FunctionDecl>([](const FunctionDecl *FD) { |
| 2118 | return FD->doesThisDeclarationHaveABody(); |
| 2119 | }).match(ToTU, functionDecl())); |
| 2120 | } |
| 2121 | |
Shafik Yaghmour | 96b3d20 | 2019-01-28 21:55:33 +0000 | [diff] [blame] | 2122 | TEST_P(ImportFunctions, ImportOverriddenMethodTwice) { |
| 2123 | auto Code = |
| 2124 | R"( |
| 2125 | struct B { virtual void f(); }; |
| 2126 | struct D:B { void f(); }; |
| 2127 | )"; |
| 2128 | auto BFP = |
| 2129 | cxxMethodDecl(hasName("f"), hasParent(cxxRecordDecl(hasName("B")))); |
| 2130 | auto DFP = |
| 2131 | cxxMethodDecl(hasName("f"), hasParent(cxxRecordDecl(hasName("D")))); |
| 2132 | |
| 2133 | Decl *FromTU0 = getTuDecl(Code, Lang_CXX); |
| 2134 | auto *DF = FirstDeclMatcher<CXXMethodDecl>().match(FromTU0, DFP); |
| 2135 | Import(DF, Lang_CXX); |
| 2136 | |
| 2137 | Decl *FromTU1 = getTuDecl(Code, Lang_CXX, "input1.cc"); |
| 2138 | auto *BF = FirstDeclMatcher<CXXMethodDecl>().match(FromTU1, BFP); |
| 2139 | Import(BF, Lang_CXX); |
| 2140 | |
| 2141 | auto *ToTU = ToAST->getASTContext().getTranslationUnitDecl(); |
| 2142 | |
| 2143 | EXPECT_EQ(DeclCounter<FunctionDecl>().match(ToTU, BFP), 1u); |
| 2144 | EXPECT_EQ(DeclCounter<FunctionDecl>().match(ToTU, DFP), 1u); |
| 2145 | } |
| 2146 | |
| 2147 | TEST_P(ImportFunctions, ImportOverriddenMethodTwiceDefinitionFirst) { |
| 2148 | auto CodeWithoutDef = |
| 2149 | R"( |
| 2150 | struct B { virtual void f(); }; |
| 2151 | struct D:B { void f(); }; |
| 2152 | )"; |
| 2153 | auto CodeWithDef = |
| 2154 | R"( |
| 2155 | struct B { virtual void f(){}; }; |
| 2156 | struct D:B { void f(){}; }; |
| 2157 | )"; |
| 2158 | auto BFP = |
| 2159 | cxxMethodDecl(hasName("f"), hasParent(cxxRecordDecl(hasName("B")))); |
| 2160 | auto DFP = |
| 2161 | cxxMethodDecl(hasName("f"), hasParent(cxxRecordDecl(hasName("D")))); |
| 2162 | auto BFDefP = cxxMethodDecl( |
| 2163 | hasName("f"), hasParent(cxxRecordDecl(hasName("B"))), isDefinition()); |
| 2164 | auto DFDefP = cxxMethodDecl( |
| 2165 | hasName("f"), hasParent(cxxRecordDecl(hasName("D"))), isDefinition()); |
| 2166 | auto FDefAllP = cxxMethodDecl(hasName("f"), isDefinition()); |
| 2167 | |
| 2168 | { |
| 2169 | Decl *FromTU = getTuDecl(CodeWithDef, Lang_CXX, "input0.cc"); |
| 2170 | auto *FromD = FirstDeclMatcher<CXXMethodDecl>().match(FromTU, DFP); |
| 2171 | Import(FromD, Lang_CXX); |
| 2172 | } |
| 2173 | { |
| 2174 | Decl *FromTU = getTuDecl(CodeWithoutDef, Lang_CXX, "input1.cc"); |
| 2175 | auto *FromB = FirstDeclMatcher<CXXMethodDecl>().match(FromTU, BFP); |
| 2176 | Import(FromB, Lang_CXX); |
| 2177 | } |
| 2178 | |
| 2179 | auto *ToTU = ToAST->getASTContext().getTranslationUnitDecl(); |
| 2180 | |
| 2181 | EXPECT_EQ(DeclCounter<FunctionDecl>().match(ToTU, BFP), 1u); |
| 2182 | EXPECT_EQ(DeclCounter<FunctionDecl>().match(ToTU, DFP), 1u); |
| 2183 | EXPECT_EQ(DeclCounter<FunctionDecl>().match(ToTU, BFDefP), 1u); |
| 2184 | EXPECT_EQ(DeclCounter<FunctionDecl>().match(ToTU, DFDefP), 1u); |
| 2185 | EXPECT_EQ(DeclCounter<FunctionDecl>().match(ToTU, FDefAllP), 2u); |
| 2186 | } |
| 2187 | |
| 2188 | TEST_P(ImportFunctions, ImportOverriddenMethodTwiceOutOfClassDef) { |
| 2189 | auto Code = |
| 2190 | R"( |
| 2191 | struct B { virtual void f(); }; |
| 2192 | struct D:B { void f(); }; |
| 2193 | void B::f(){}; |
| 2194 | )"; |
| 2195 | |
| 2196 | auto BFP = |
| 2197 | cxxMethodDecl(hasName("f"), hasParent(cxxRecordDecl(hasName("B")))); |
| 2198 | auto BFDefP = cxxMethodDecl( |
| 2199 | hasName("f"), hasParent(cxxRecordDecl(hasName("B"))), isDefinition()); |
| 2200 | auto DFP = cxxMethodDecl(hasName("f"), hasParent(cxxRecordDecl(hasName("D"))), |
| 2201 | unless(isDefinition())); |
| 2202 | |
| 2203 | Decl *FromTU0 = getTuDecl(Code, Lang_CXX); |
| 2204 | auto *D = FirstDeclMatcher<CXXMethodDecl>().match(FromTU0, DFP); |
| 2205 | Import(D, Lang_CXX); |
| 2206 | |
| 2207 | Decl *FromTU1 = getTuDecl(Code, Lang_CXX, "input1.cc"); |
| 2208 | auto *B = FirstDeclMatcher<CXXMethodDecl>().match(FromTU1, BFP); |
| 2209 | Import(B, Lang_CXX); |
| 2210 | |
| 2211 | auto *ToTU = ToAST->getASTContext().getTranslationUnitDecl(); |
| 2212 | |
| 2213 | EXPECT_EQ(DeclCounter<FunctionDecl>().match(ToTU, BFP), 1u); |
| 2214 | EXPECT_EQ(DeclCounter<FunctionDecl>().match(ToTU, BFDefP), 0u); |
| 2215 | |
| 2216 | auto *ToB = FirstDeclMatcher<CXXRecordDecl>().match( |
| 2217 | ToTU, cxxRecordDecl(hasName("B"))); |
| 2218 | auto *ToBFInClass = FirstDeclMatcher<CXXMethodDecl>().match(ToTU, BFP); |
| 2219 | auto *ToBFOutOfClass = FirstDeclMatcher<CXXMethodDecl>().match( |
| 2220 | ToTU, cxxMethodDecl(hasName("f"), isDefinition())); |
| 2221 | |
| 2222 | // The definition should be out-of-class. |
| 2223 | EXPECT_NE(ToBFInClass, ToBFOutOfClass); |
| 2224 | EXPECT_NE(ToBFInClass->getLexicalDeclContext(), |
| 2225 | ToBFOutOfClass->getLexicalDeclContext()); |
| 2226 | EXPECT_EQ(ToBFOutOfClass->getDeclContext(), ToB); |
| 2227 | EXPECT_EQ(ToBFOutOfClass->getLexicalDeclContext(), ToTU); |
| 2228 | |
| 2229 | // Check that the redecl chain is intact. |
| 2230 | EXPECT_EQ(ToBFOutOfClass->getPreviousDecl(), ToBFInClass); |
| 2231 | } |
| 2232 | |
| 2233 | TEST_P(ImportFunctions, |
| 2234 | ImportOverriddenMethodTwiceOutOfClassDefInSeparateCode) { |
| 2235 | auto CodeTU0 = |
| 2236 | R"( |
| 2237 | struct B { virtual void f(); }; |
| 2238 | struct D:B { void f(); }; |
| 2239 | )"; |
| 2240 | auto CodeTU1 = |
| 2241 | R"( |
| 2242 | struct B { virtual void f(); }; |
| 2243 | struct D:B { void f(); }; |
| 2244 | void B::f(){} |
| 2245 | void D::f(){} |
| 2246 | void foo(B &b, D &d) { b.f(); d.f(); } |
| 2247 | )"; |
| 2248 | |
| 2249 | auto BFP = |
| 2250 | cxxMethodDecl(hasName("f"), hasParent(cxxRecordDecl(hasName("B")))); |
| 2251 | auto BFDefP = cxxMethodDecl( |
| 2252 | hasName("f"), hasParent(cxxRecordDecl(hasName("B"))), isDefinition()); |
| 2253 | auto DFP = |
| 2254 | cxxMethodDecl(hasName("f"), hasParent(cxxRecordDecl(hasName("D")))); |
| 2255 | auto DFDefP = cxxMethodDecl( |
| 2256 | hasName("f"), hasParent(cxxRecordDecl(hasName("D"))), isDefinition()); |
| 2257 | auto FooDef = functionDecl(hasName("foo")); |
| 2258 | |
| 2259 | { |
| 2260 | Decl *FromTU0 = getTuDecl(CodeTU0, Lang_CXX, "input0.cc"); |
| 2261 | auto *D = FirstDeclMatcher<CXXMethodDecl>().match(FromTU0, DFP); |
| 2262 | Import(D, Lang_CXX); |
| 2263 | } |
| 2264 | |
| 2265 | { |
| 2266 | Decl *FromTU1 = getTuDecl(CodeTU1, Lang_CXX, "input1.cc"); |
| 2267 | auto *Foo = FirstDeclMatcher<FunctionDecl>().match(FromTU1, FooDef); |
| 2268 | Import(Foo, Lang_CXX); |
| 2269 | } |
| 2270 | |
| 2271 | auto *ToTU = ToAST->getASTContext().getTranslationUnitDecl(); |
| 2272 | |
| 2273 | EXPECT_EQ(DeclCounter<FunctionDecl>().match(ToTU, BFP), 1u); |
| 2274 | EXPECT_EQ(DeclCounter<FunctionDecl>().match(ToTU, DFP), 1u); |
| 2275 | EXPECT_EQ(DeclCounter<FunctionDecl>().match(ToTU, BFDefP), 0u); |
| 2276 | EXPECT_EQ(DeclCounter<FunctionDecl>().match(ToTU, DFDefP), 0u); |
| 2277 | |
| 2278 | auto *ToB = FirstDeclMatcher<CXXRecordDecl>().match( |
| 2279 | ToTU, cxxRecordDecl(hasName("B"))); |
| 2280 | auto *ToD = FirstDeclMatcher<CXXRecordDecl>().match( |
| 2281 | ToTU, cxxRecordDecl(hasName("D"))); |
| 2282 | auto *ToBFInClass = FirstDeclMatcher<CXXMethodDecl>().match(ToTU, BFP); |
| 2283 | auto *ToBFOutOfClass = FirstDeclMatcher<CXXMethodDecl>().match( |
| 2284 | ToTU, cxxMethodDecl(hasName("f"), isDefinition())); |
| 2285 | auto *ToDFInClass = FirstDeclMatcher<CXXMethodDecl>().match(ToTU, DFP); |
| 2286 | auto *ToDFOutOfClass = LastDeclMatcher<CXXMethodDecl>().match( |
| 2287 | ToTU, cxxMethodDecl(hasName("f"), isDefinition())); |
| 2288 | |
| 2289 | // The definition should be out-of-class. |
| 2290 | EXPECT_NE(ToBFInClass, ToBFOutOfClass); |
| 2291 | EXPECT_NE(ToBFInClass->getLexicalDeclContext(), |
| 2292 | ToBFOutOfClass->getLexicalDeclContext()); |
| 2293 | EXPECT_EQ(ToBFOutOfClass->getDeclContext(), ToB); |
| 2294 | EXPECT_EQ(ToBFOutOfClass->getLexicalDeclContext(), ToTU); |
| 2295 | |
| 2296 | EXPECT_NE(ToDFInClass, ToDFOutOfClass); |
| 2297 | EXPECT_NE(ToDFInClass->getLexicalDeclContext(), |
| 2298 | ToDFOutOfClass->getLexicalDeclContext()); |
| 2299 | EXPECT_EQ(ToDFOutOfClass->getDeclContext(), ToD); |
| 2300 | EXPECT_EQ(ToDFOutOfClass->getLexicalDeclContext(), ToTU); |
| 2301 | |
| 2302 | // Check that the redecl chain is intact. |
| 2303 | EXPECT_EQ(ToBFOutOfClass->getPreviousDecl(), ToBFInClass); |
| 2304 | EXPECT_EQ(ToDFOutOfClass->getPreviousDecl(), ToDFInClass); |
| 2305 | } |
| 2306 | |
Gabor Marton | 458d145 | 2019-02-14 13:07:03 +0000 | [diff] [blame] | 2307 | TEST_P(ASTImporterOptionSpecificTestBase, ImportVariableChainInC) { |
| 2308 | std::string Code = "static int v; static int v = 0;"; |
| 2309 | auto Pattern = varDecl(hasName("v")); |
| 2310 | |
| 2311 | TranslationUnitDecl *FromTu = getTuDecl(Code, Lang_C, "input0.c"); |
| 2312 | |
| 2313 | auto *From0 = FirstDeclMatcher<VarDecl>().match(FromTu, Pattern); |
| 2314 | auto *From1 = LastDeclMatcher<VarDecl>().match(FromTu, Pattern); |
| 2315 | |
| 2316 | auto *To0 = Import(From0, Lang_C); |
| 2317 | auto *To1 = Import(From1, Lang_C); |
| 2318 | |
| 2319 | EXPECT_TRUE(To0); |
| 2320 | ASSERT_TRUE(To1); |
| 2321 | EXPECT_NE(To0, To1); |
| 2322 | EXPECT_EQ(To1->getPreviousDecl(), To0); |
| 2323 | } |
| 2324 | |
| 2325 | TEST_P(ImportFunctions, ImportFromDifferentScopedAnonNamespace) { |
| 2326 | TranslationUnitDecl *FromTu = getTuDecl( |
| 2327 | "namespace NS0 { namespace { void f(); } }" |
| 2328 | "namespace NS1 { namespace { void f(); } }", |
| 2329 | Lang_CXX, "input0.cc"); |
| 2330 | auto Pattern = functionDecl(hasName("f")); |
| 2331 | |
| 2332 | auto *FromF0 = FirstDeclMatcher<FunctionDecl>().match(FromTu, Pattern); |
| 2333 | auto *FromF1 = LastDeclMatcher<FunctionDecl>().match(FromTu, Pattern); |
| 2334 | |
| 2335 | auto *ToF0 = Import(FromF0, Lang_CXX); |
| 2336 | auto *ToF1 = Import(FromF1, Lang_CXX); |
| 2337 | |
| 2338 | EXPECT_TRUE(ToF0); |
| 2339 | ASSERT_TRUE(ToF1); |
| 2340 | EXPECT_NE(ToF0, ToF1); |
| 2341 | EXPECT_FALSE(ToF1->getPreviousDecl()); |
| 2342 | } |
| 2343 | |
| 2344 | TEST_P(ImportFunctions, ImportFunctionFromUnnamedNamespace) { |
| 2345 | { |
| 2346 | Decl *FromTU = getTuDecl("namespace { void f() {} } void g0() { f(); }", |
| 2347 | Lang_CXX, "input0.cc"); |
| 2348 | auto *FromD = FirstDeclMatcher<FunctionDecl>().match( |
| 2349 | FromTU, functionDecl(hasName("g0"))); |
| 2350 | |
| 2351 | Import(FromD, Lang_CXX); |
| 2352 | } |
| 2353 | { |
| 2354 | Decl *FromTU = |
| 2355 | getTuDecl("namespace { void f() { int a; } } void g1() { f(); }", |
| 2356 | Lang_CXX, "input1.cc"); |
| 2357 | auto *FromD = FirstDeclMatcher<FunctionDecl>().match( |
| 2358 | FromTU, functionDecl(hasName("g1"))); |
| 2359 | Import(FromD, Lang_CXX); |
| 2360 | } |
| 2361 | |
| 2362 | Decl *ToTU = ToAST->getASTContext().getTranslationUnitDecl(); |
| 2363 | ASSERT_EQ(DeclCounter<FunctionDecl>().match(ToTU, functionDecl(hasName("f"))), |
| 2364 | 2u); |
| 2365 | } |
| 2366 | |
Gabor Marton | 302f300 | 2019-02-15 12:04:05 +0000 | [diff] [blame] | 2367 | TEST_P(ImportFunctions, ImportImplicitFunctionsInLambda) { |
| 2368 | Decl *FromTU = getTuDecl( |
| 2369 | R"( |
| 2370 | void foo() { |
| 2371 | (void)[]() { ; }; |
| 2372 | } |
| 2373 | )", |
| 2374 | Lang_CXX11); |
| 2375 | auto *FromD = FirstDeclMatcher<FunctionDecl>().match( |
| 2376 | FromTU, functionDecl(hasName("foo"))); |
| 2377 | auto *ToD = Import(FromD, Lang_CXX); |
| 2378 | EXPECT_TRUE(ToD); |
| 2379 | CXXRecordDecl *LambdaRec = |
| 2380 | cast<LambdaExpr>(cast<CStyleCastExpr>( |
| 2381 | *cast<CompoundStmt>(ToD->getBody())->body_begin()) |
| 2382 | ->getSubExpr()) |
| 2383 | ->getLambdaClass(); |
| 2384 | EXPECT_TRUE(LambdaRec->getDestructor()); |
| 2385 | } |
| 2386 | |
Gabor Marton | 5caba30 | 2019-03-07 13:38:20 +0000 | [diff] [blame] | 2387 | TEST_P(ImportFunctions, |
| 2388 | CallExprOfMemberFunctionTemplateWithExplicitTemplateArgs) { |
| 2389 | Decl *FromTU = getTuDecl( |
| 2390 | R"( |
| 2391 | struct X { |
| 2392 | template <typename T> |
| 2393 | void foo(){} |
| 2394 | }; |
| 2395 | void f() { |
| 2396 | X x; |
| 2397 | x.foo<int>(); |
| 2398 | } |
| 2399 | )", |
| 2400 | Lang_CXX); |
| 2401 | auto *FromD = FirstDeclMatcher<FunctionDecl>().match( |
| 2402 | FromTU, functionDecl(hasName("f"))); |
| 2403 | auto *ToD = Import(FromD, Lang_CXX); |
| 2404 | EXPECT_TRUE(ToD); |
| 2405 | EXPECT_TRUE(MatchVerifier<FunctionDecl>().match( |
| 2406 | ToD, functionDecl(hasName("f"), hasDescendant(declRefExpr())))); |
| 2407 | } |
| 2408 | |
| 2409 | TEST_P(ImportFunctions, |
| 2410 | DependentCallExprOfMemberFunctionTemplateWithExplicitTemplateArgs) { |
| 2411 | Decl *FromTU = getTuDecl( |
| 2412 | R"( |
| 2413 | struct X { |
| 2414 | template <typename T> |
| 2415 | void foo(){} |
| 2416 | }; |
| 2417 | template <typename T> |
| 2418 | void f() { |
| 2419 | X x; |
| 2420 | x.foo<T>(); |
| 2421 | } |
| 2422 | void g() { |
| 2423 | f<int>(); |
| 2424 | } |
| 2425 | )", |
| 2426 | Lang_CXX); |
| 2427 | auto *FromD = FirstDeclMatcher<FunctionDecl>().match( |
| 2428 | FromTU, functionDecl(hasName("g"))); |
| 2429 | auto *ToD = Import(FromD, Lang_CXX); |
| 2430 | EXPECT_TRUE(ToD); |
| 2431 | Decl *ToTU = ToAST->getASTContext().getTranslationUnitDecl(); |
| 2432 | EXPECT_TRUE(MatchVerifier<TranslationUnitDecl>().match( |
| 2433 | ToTU, translationUnitDecl(hasDescendant( |
| 2434 | functionDecl(hasName("f"), hasDescendant(declRefExpr())))))); |
| 2435 | } |
| 2436 | |
Balazs Keri | e9719f9 | 2019-08-07 12:40:17 +0000 | [diff] [blame] | 2437 | struct ImportFunctionTemplates : ASTImporterOptionSpecificTestBase {}; |
| 2438 | |
| 2439 | TEST_P(ImportFunctionTemplates, ImportFunctionTemplateInRecordDeclTwice) { |
| 2440 | auto Code = |
| 2441 | R"( |
| 2442 | class X { |
| 2443 | template <class T> |
| 2444 | void f(T t); |
| 2445 | }; |
| 2446 | )"; |
| 2447 | Decl *FromTU1 = getTuDecl(Code, Lang_CXX, "input1.cc"); |
| 2448 | auto *FromD1 = FirstDeclMatcher<FunctionTemplateDecl>().match( |
| 2449 | FromTU1, functionTemplateDecl(hasName("f"))); |
| 2450 | auto *ToD1 = Import(FromD1, Lang_CXX); |
| 2451 | Decl *FromTU2 = getTuDecl(Code, Lang_CXX, "input2.cc"); |
| 2452 | auto *FromD2 = FirstDeclMatcher<FunctionTemplateDecl>().match( |
| 2453 | FromTU2, functionTemplateDecl(hasName("f"))); |
| 2454 | auto *ToD2 = Import(FromD2, Lang_CXX); |
| 2455 | EXPECT_EQ(ToD1, ToD2); |
| 2456 | } |
| 2457 | |
| 2458 | TEST_P(ImportFunctionTemplates, |
| 2459 | ImportFunctionTemplateWithDefInRecordDeclTwice) { |
| 2460 | auto Code = |
| 2461 | R"( |
| 2462 | class X { |
| 2463 | template <class T> |
| 2464 | void f(T t); |
| 2465 | }; |
| 2466 | template <class T> |
| 2467 | void X::f(T t) {}; |
| 2468 | )"; |
| 2469 | Decl *FromTU1 = getTuDecl(Code, Lang_CXX, "input1.cc"); |
| 2470 | auto *FromD1 = FirstDeclMatcher<FunctionTemplateDecl>().match( |
| 2471 | FromTU1, functionTemplateDecl(hasName("f"))); |
| 2472 | auto *ToD1 = Import(FromD1, Lang_CXX); |
| 2473 | Decl *FromTU2 = getTuDecl(Code, Lang_CXX, "input2.cc"); |
| 2474 | auto *FromD2 = FirstDeclMatcher<FunctionTemplateDecl>().match( |
| 2475 | FromTU2, functionTemplateDecl(hasName("f"))); |
| 2476 | auto *ToD2 = Import(FromD2, Lang_CXX); |
| 2477 | EXPECT_EQ(ToD1, ToD2); |
| 2478 | } |
| 2479 | |
Gabor Marton | f035b75 | 2019-08-27 11:36:10 +0000 | [diff] [blame] | 2480 | TEST_P(ImportFunctionTemplates, |
| 2481 | ImportFunctionWhenThereIsAFunTemplateWithSameName) { |
| 2482 | getToTuDecl( |
| 2483 | R"( |
| 2484 | template <typename T> |
| 2485 | void foo(T) {} |
| 2486 | void foo(); |
| 2487 | )", |
| 2488 | Lang_CXX); |
| 2489 | Decl *FromTU = getTuDecl("void foo();", Lang_CXX); |
| 2490 | auto *FromD = FirstDeclMatcher<FunctionDecl>().match( |
| 2491 | FromTU, functionDecl(hasName("foo"))); |
| 2492 | auto *ImportedD = Import(FromD, Lang_CXX); |
| 2493 | EXPECT_TRUE(ImportedD); |
| 2494 | } |
| 2495 | |
| 2496 | TEST_P(ImportFunctionTemplates, |
| 2497 | ImportConstructorWhenThereIsAFunTemplateWithSameName) { |
| 2498 | auto Code = |
| 2499 | R"( |
| 2500 | struct Foo { |
| 2501 | template <typename T> |
| 2502 | Foo(T) {} |
| 2503 | Foo(); |
| 2504 | }; |
| 2505 | )"; |
| 2506 | getToTuDecl(Code, Lang_CXX); |
| 2507 | Decl *FromTU = getTuDecl(Code, Lang_CXX); |
| 2508 | auto *FromD = |
| 2509 | LastDeclMatcher<CXXConstructorDecl>().match(FromTU, cxxConstructorDecl()); |
| 2510 | auto *ImportedD = Import(FromD, Lang_CXX); |
| 2511 | EXPECT_TRUE(ImportedD); |
| 2512 | } |
| 2513 | |
| 2514 | TEST_P(ImportFunctionTemplates, |
| 2515 | ImportOperatorWhenThereIsAFunTemplateWithSameName) { |
| 2516 | getToTuDecl( |
| 2517 | R"( |
| 2518 | template <typename T> |
| 2519 | void operator<(T,T) {} |
| 2520 | struct X{}; |
| 2521 | void operator<(X, X); |
| 2522 | )", |
| 2523 | Lang_CXX); |
| 2524 | Decl *FromTU = getTuDecl( |
| 2525 | R"( |
| 2526 | struct X{}; |
| 2527 | void operator<(X, X); |
| 2528 | )", |
| 2529 | Lang_CXX); |
| 2530 | auto *FromD = LastDeclMatcher<FunctionDecl>().match( |
| 2531 | FromTU, functionDecl(hasOverloadedOperatorName("<"))); |
| 2532 | auto *ImportedD = Import(FromD, Lang_CXX); |
| 2533 | EXPECT_TRUE(ImportedD); |
| 2534 | } |
| 2535 | |
Gabor Marton | 5254e64 | 2018-06-27 13:32:50 +0000 | [diff] [blame] | 2536 | struct ImportFriendFunctions : ImportFunctions {}; |
| 2537 | |
| 2538 | TEST_P(ImportFriendFunctions, ImportFriendFunctionRedeclChainProto) { |
| 2539 | auto Pattern = functionDecl(hasName("f")); |
| 2540 | |
| 2541 | Decl *FromTU = getTuDecl("struct X { friend void f(); };" |
| 2542 | "void f();", |
| 2543 | Lang_CXX, |
| 2544 | "input0.cc"); |
| 2545 | auto *FromD = FirstDeclMatcher<FunctionDecl>().match(FromTU, Pattern); |
| 2546 | |
| 2547 | auto *ImportedD = cast<FunctionDecl>(Import(FromD, Lang_CXX)); |
| 2548 | Decl *ToTU = ToAST->getASTContext().getTranslationUnitDecl(); |
| 2549 | ASSERT_EQ(DeclCounter<FunctionDecl>().match(ToTU, Pattern), 2u); |
| 2550 | EXPECT_FALSE(ImportedD->doesThisDeclarationHaveABody()); |
| 2551 | auto *ToFD = LastDeclMatcher<FunctionDecl>().match(ToTU, Pattern); |
| 2552 | EXPECT_FALSE(ToFD->doesThisDeclarationHaveABody()); |
| 2553 | EXPECT_EQ(ToFD->getPreviousDecl(), ImportedD); |
| 2554 | } |
| 2555 | |
| 2556 | TEST_P(ImportFriendFunctions, |
| 2557 | ImportFriendFunctionRedeclChainProto_OutOfClassProtoFirst) { |
| 2558 | auto Pattern = functionDecl(hasName("f")); |
| 2559 | |
| 2560 | Decl *FromTU = getTuDecl("void f();" |
| 2561 | "struct X { friend void f(); };", |
| 2562 | Lang_CXX, "input0.cc"); |
| 2563 | auto FromD = FirstDeclMatcher<FunctionDecl>().match(FromTU, Pattern); |
| 2564 | |
| 2565 | auto *ImportedD = cast<FunctionDecl>(Import(FromD, Lang_CXX)); |
| 2566 | Decl *ToTU = ToAST->getASTContext().getTranslationUnitDecl(); |
| 2567 | ASSERT_EQ(DeclCounter<FunctionDecl>().match(ToTU, Pattern), 2u); |
| 2568 | EXPECT_FALSE(ImportedD->doesThisDeclarationHaveABody()); |
| 2569 | auto *ToFD = LastDeclMatcher<FunctionDecl>().match(ToTU, Pattern); |
| 2570 | EXPECT_FALSE(ToFD->doesThisDeclarationHaveABody()); |
| 2571 | EXPECT_EQ(ToFD->getPreviousDecl(), ImportedD); |
| 2572 | } |
| 2573 | |
| 2574 | TEST_P(ImportFriendFunctions, ImportFriendFunctionRedeclChainDef) { |
| 2575 | auto Pattern = functionDecl(hasName("f")); |
| 2576 | |
| 2577 | Decl *FromTU = getTuDecl("struct X { friend void f(){} };" |
| 2578 | "void f();", |
| 2579 | Lang_CXX, |
| 2580 | "input0.cc"); |
| 2581 | auto *FromD = FirstDeclMatcher<FunctionDecl>().match(FromTU, Pattern); |
| 2582 | |
| 2583 | auto *ImportedD = cast<FunctionDecl>(Import(FromD, Lang_CXX)); |
| 2584 | Decl *ToTU = ToAST->getASTContext().getTranslationUnitDecl(); |
| 2585 | ASSERT_EQ(DeclCounter<FunctionDecl>().match(ToTU, Pattern), 2u); |
| 2586 | EXPECT_TRUE(ImportedD->doesThisDeclarationHaveABody()); |
| 2587 | auto *ToFD = LastDeclMatcher<FunctionDecl>().match(ToTU, Pattern); |
| 2588 | EXPECT_FALSE(ToFD->doesThisDeclarationHaveABody()); |
| 2589 | EXPECT_EQ(ToFD->getPreviousDecl(), ImportedD); |
| 2590 | } |
| 2591 | |
| 2592 | TEST_P(ImportFriendFunctions, |
| 2593 | ImportFriendFunctionRedeclChainDef_OutOfClassDef) { |
| 2594 | auto Pattern = functionDecl(hasName("f")); |
| 2595 | |
| 2596 | Decl *FromTU = getTuDecl("struct X { friend void f(); };" |
| 2597 | "void f(){}", |
| 2598 | Lang_CXX, "input0.cc"); |
| 2599 | auto *FromD = FirstDeclMatcher<FunctionDecl>().match(FromTU, Pattern); |
| 2600 | |
| 2601 | auto *ImportedD = cast<FunctionDecl>(Import(FromD, Lang_CXX)); |
| 2602 | Decl *ToTU = ToAST->getASTContext().getTranslationUnitDecl(); |
| 2603 | ASSERT_EQ(DeclCounter<FunctionDecl>().match(ToTU, Pattern), 2u); |
| 2604 | EXPECT_FALSE(ImportedD->doesThisDeclarationHaveABody()); |
| 2605 | auto *ToFD = LastDeclMatcher<FunctionDecl>().match(ToTU, Pattern); |
| 2606 | EXPECT_TRUE(ToFD->doesThisDeclarationHaveABody()); |
| 2607 | EXPECT_EQ(ToFD->getPreviousDecl(), ImportedD); |
| 2608 | } |
| 2609 | |
Gabor Marton | 1d51e3e | 2019-05-20 10:38:14 +0000 | [diff] [blame] | 2610 | TEST_P(ImportFriendFunctions, ImportFriendFunctionRedeclChainDefWithClass) { |
Gabor Marton | 5254e64 | 2018-06-27 13:32:50 +0000 | [diff] [blame] | 2611 | auto Pattern = functionDecl(hasName("f")); |
| 2612 | |
| 2613 | Decl *FromTU = getTuDecl( |
| 2614 | R"( |
| 2615 | class X; |
| 2616 | void f(X *x){} |
| 2617 | class X{ |
| 2618 | friend void f(X *x); |
| 2619 | }; |
| 2620 | )", |
| 2621 | Lang_CXX, "input0.cc"); |
| 2622 | auto *FromD = FirstDeclMatcher<FunctionDecl>().match(FromTU, Pattern); |
| 2623 | |
| 2624 | auto *ImportedD = cast<FunctionDecl>(Import(FromD, Lang_CXX)); |
| 2625 | Decl *ToTU = ToAST->getASTContext().getTranslationUnitDecl(); |
| 2626 | ASSERT_EQ(DeclCounter<FunctionDecl>().match(ToTU, Pattern), 2u); |
| 2627 | EXPECT_TRUE(ImportedD->doesThisDeclarationHaveABody()); |
| 2628 | auto *InClassFD = cast<FunctionDecl>(FirstDeclMatcher<FriendDecl>() |
| 2629 | .match(ToTU, friendDecl()) |
| 2630 | ->getFriendDecl()); |
| 2631 | EXPECT_FALSE(InClassFD->doesThisDeclarationHaveABody()); |
| 2632 | EXPECT_EQ(InClassFD->getPreviousDecl(), ImportedD); |
| 2633 | // The parameters must refer the same type |
| 2634 | EXPECT_EQ((*InClassFD->param_begin())->getOriginalType(), |
| 2635 | (*ImportedD->param_begin())->getOriginalType()); |
| 2636 | } |
| 2637 | |
Gabor Marton | 5254e64 | 2018-06-27 13:32:50 +0000 | [diff] [blame] | 2638 | TEST_P(ImportFriendFunctions, |
Gabor Marton | 1d51e3e | 2019-05-20 10:38:14 +0000 | [diff] [blame] | 2639 | ImportFriendFunctionRedeclChainDefWithClass_ImportTheProto) { |
Gabor Marton | 5254e64 | 2018-06-27 13:32:50 +0000 | [diff] [blame] | 2640 | auto Pattern = functionDecl(hasName("f")); |
| 2641 | |
| 2642 | Decl *FromTU = getTuDecl( |
| 2643 | R"( |
| 2644 | class X; |
| 2645 | void f(X *x){} |
| 2646 | class X{ |
| 2647 | friend void f(X *x); |
| 2648 | }; |
| 2649 | )", |
| 2650 | Lang_CXX, "input0.cc"); |
| 2651 | auto *FromD = LastDeclMatcher<FunctionDecl>().match(FromTU, Pattern); |
| 2652 | |
| 2653 | auto *ImportedD = cast<FunctionDecl>(Import(FromD, Lang_CXX)); |
| 2654 | Decl *ToTU = ToAST->getASTContext().getTranslationUnitDecl(); |
| 2655 | ASSERT_EQ(DeclCounter<FunctionDecl>().match(ToTU, Pattern), 2u); |
| 2656 | EXPECT_FALSE(ImportedD->doesThisDeclarationHaveABody()); |
| 2657 | auto *OutOfClassFD = FirstDeclMatcher<FunctionDecl>().match( |
| 2658 | ToTU, functionDecl(unless(hasParent(friendDecl())))); |
| 2659 | |
| 2660 | EXPECT_TRUE(OutOfClassFD->doesThisDeclarationHaveABody()); |
| 2661 | EXPECT_EQ(ImportedD->getPreviousDecl(), OutOfClassFD); |
| 2662 | // The parameters must refer the same type |
| 2663 | EXPECT_EQ((*OutOfClassFD->param_begin())->getOriginalType(), |
| 2664 | (*ImportedD->param_begin())->getOriginalType()); |
| 2665 | } |
| 2666 | |
| 2667 | TEST_P(ImportFriendFunctions, ImportFriendFunctionFromMultipleTU) { |
| 2668 | auto Pattern = functionDecl(hasName("f")); |
| 2669 | |
| 2670 | FunctionDecl *ImportedD; |
| 2671 | { |
| 2672 | Decl *FromTU = |
| 2673 | getTuDecl("struct X { friend void f(){} };", Lang_CXX, "input0.cc"); |
| 2674 | auto *FromD = FirstDeclMatcher<FunctionDecl>().match(FromTU, Pattern); |
| 2675 | ImportedD = cast<FunctionDecl>(Import(FromD, Lang_CXX)); |
| 2676 | } |
| 2677 | FunctionDecl *ImportedD1; |
| 2678 | { |
| 2679 | Decl *FromTU = getTuDecl("void f();", Lang_CXX, "input1.cc"); |
| 2680 | auto *FromD = FirstDeclMatcher<FunctionDecl>().match(FromTU, Pattern); |
| 2681 | ImportedD1 = cast<FunctionDecl>(Import(FromD, Lang_CXX)); |
| 2682 | } |
| 2683 | |
| 2684 | Decl *ToTU = ToAST->getASTContext().getTranslationUnitDecl(); |
| 2685 | ASSERT_EQ(DeclCounter<FunctionDecl>().match(ToTU, Pattern), 2u); |
| 2686 | EXPECT_TRUE(ImportedD->doesThisDeclarationHaveABody()); |
| 2687 | EXPECT_FALSE(ImportedD1->doesThisDeclarationHaveABody()); |
| 2688 | EXPECT_EQ(ImportedD1->getPreviousDecl(), ImportedD); |
| 2689 | } |
| 2690 | |
Balazs Keri | 89632b8 | 2018-08-21 14:32:21 +0000 | [diff] [blame] | 2691 | TEST_P(ImportFriendFunctions, Lookup) { |
| 2692 | auto FunctionPattern = functionDecl(hasName("f")); |
| 2693 | auto ClassPattern = cxxRecordDecl(hasName("X")); |
| 2694 | |
| 2695 | TranslationUnitDecl *FromTU = |
| 2696 | getTuDecl("struct X { friend void f(); };", Lang_CXX, "input0.cc"); |
| 2697 | auto *FromD = FirstDeclMatcher<FunctionDecl>().match(FromTU, FunctionPattern); |
| 2698 | ASSERT_TRUE(FromD->isInIdentifierNamespace(Decl::IDNS_OrdinaryFriend)); |
| 2699 | ASSERT_FALSE(FromD->isInIdentifierNamespace(Decl::IDNS_Ordinary)); |
| 2700 | { |
| 2701 | auto FromName = FromD->getDeclName(); |
| 2702 | auto *Class = FirstDeclMatcher<CXXRecordDecl>().match(FromTU, ClassPattern); |
| 2703 | auto LookupRes = Class->noload_lookup(FromName); |
| 2704 | ASSERT_EQ(LookupRes.size(), 0u); |
| 2705 | LookupRes = FromTU->noload_lookup(FromName); |
| 2706 | ASSERT_EQ(LookupRes.size(), 1u); |
| 2707 | } |
| 2708 | |
| 2709 | auto *ToD = cast<FunctionDecl>(Import(FromD, Lang_CXX)); |
| 2710 | auto ToName = ToD->getDeclName(); |
| 2711 | |
| 2712 | TranslationUnitDecl *ToTU = ToAST->getASTContext().getTranslationUnitDecl(); |
| 2713 | auto *Class = FirstDeclMatcher<CXXRecordDecl>().match(ToTU, ClassPattern); |
| 2714 | auto LookupRes = Class->noload_lookup(ToName); |
| 2715 | EXPECT_EQ(LookupRes.size(), 0u); |
| 2716 | LookupRes = ToTU->noload_lookup(ToName); |
| 2717 | EXPECT_EQ(LookupRes.size(), 1u); |
| 2718 | |
| 2719 | EXPECT_EQ(DeclCounter<FunctionDecl>().match(ToTU, FunctionPattern), 1u); |
| 2720 | auto *To0 = FirstDeclMatcher<FunctionDecl>().match(ToTU, FunctionPattern); |
| 2721 | EXPECT_TRUE(To0->isInIdentifierNamespace(Decl::IDNS_OrdinaryFriend)); |
| 2722 | EXPECT_FALSE(To0->isInIdentifierNamespace(Decl::IDNS_Ordinary)); |
| 2723 | } |
| 2724 | |
Gabor Marton | bc5b7e2 | 2019-12-04 17:12:08 +0100 | [diff] [blame] | 2725 | TEST_P(ImportFriendFunctions, LookupWithProtoAfter) { |
Balazs Keri | 89632b8 | 2018-08-21 14:32:21 +0000 | [diff] [blame] | 2726 | auto FunctionPattern = functionDecl(hasName("f")); |
| 2727 | auto ClassPattern = cxxRecordDecl(hasName("X")); |
| 2728 | |
| 2729 | TranslationUnitDecl *FromTU = getTuDecl( |
| 2730 | "struct X { friend void f(); };" |
| 2731 | // This proto decl makes f available to normal |
| 2732 | // lookup, otherwise it is hidden. |
| 2733 | // Normal C++ lookup (implemented in |
| 2734 | // `clang::Sema::CppLookupName()` and in `LookupDirect()`) |
| 2735 | // returns the found `NamedDecl` only if the set IDNS is matched |
| 2736 | "void f();", |
| 2737 | Lang_CXX, "input0.cc"); |
| 2738 | auto *FromFriend = |
| 2739 | FirstDeclMatcher<FunctionDecl>().match(FromTU, FunctionPattern); |
| 2740 | auto *FromNormal = |
| 2741 | LastDeclMatcher<FunctionDecl>().match(FromTU, FunctionPattern); |
| 2742 | ASSERT_TRUE(FromFriend->isInIdentifierNamespace(Decl::IDNS_OrdinaryFriend)); |
| 2743 | ASSERT_FALSE(FromFriend->isInIdentifierNamespace(Decl::IDNS_Ordinary)); |
| 2744 | ASSERT_FALSE(FromNormal->isInIdentifierNamespace(Decl::IDNS_OrdinaryFriend)); |
| 2745 | ASSERT_TRUE(FromNormal->isInIdentifierNamespace(Decl::IDNS_Ordinary)); |
| 2746 | |
| 2747 | auto FromName = FromFriend->getDeclName(); |
| 2748 | auto *FromClass = |
| 2749 | FirstDeclMatcher<CXXRecordDecl>().match(FromTU, ClassPattern); |
| 2750 | auto LookupRes = FromClass->noload_lookup(FromName); |
| 2751 | ASSERT_EQ(LookupRes.size(), 0u); |
| 2752 | LookupRes = FromTU->noload_lookup(FromName); |
| 2753 | ASSERT_EQ(LookupRes.size(), 1u); |
| 2754 | |
| 2755 | auto *ToFriend = cast<FunctionDecl>(Import(FromFriend, Lang_CXX)); |
| 2756 | auto ToName = ToFriend->getDeclName(); |
| 2757 | |
| 2758 | TranslationUnitDecl *ToTU = ToAST->getASTContext().getTranslationUnitDecl(); |
| 2759 | auto *ToClass = FirstDeclMatcher<CXXRecordDecl>().match(ToTU, ClassPattern); |
| 2760 | LookupRes = ToClass->noload_lookup(ToName); |
| 2761 | EXPECT_EQ(LookupRes.size(), 0u); |
| 2762 | LookupRes = ToTU->noload_lookup(ToName); |
| 2763 | // Test is disabled because this result is 2. |
| 2764 | EXPECT_EQ(LookupRes.size(), 1u); |
| 2765 | |
| 2766 | ASSERT_EQ(DeclCounter<FunctionDecl>().match(ToTU, FunctionPattern), 2u); |
| 2767 | ToFriend = FirstDeclMatcher<FunctionDecl>().match(ToTU, FunctionPattern); |
| 2768 | auto *ToNormal = LastDeclMatcher<FunctionDecl>().match(ToTU, FunctionPattern); |
| 2769 | EXPECT_TRUE(ToFriend->isInIdentifierNamespace(Decl::IDNS_OrdinaryFriend)); |
| 2770 | EXPECT_FALSE(ToFriend->isInIdentifierNamespace(Decl::IDNS_Ordinary)); |
| 2771 | EXPECT_FALSE(ToNormal->isInIdentifierNamespace(Decl::IDNS_OrdinaryFriend)); |
| 2772 | EXPECT_TRUE(ToNormal->isInIdentifierNamespace(Decl::IDNS_Ordinary)); |
| 2773 | } |
| 2774 | |
| 2775 | TEST_P(ImportFriendFunctions, LookupWithProtoBefore) { |
| 2776 | auto FunctionPattern = functionDecl(hasName("f")); |
| 2777 | auto ClassPattern = cxxRecordDecl(hasName("X")); |
| 2778 | |
| 2779 | TranslationUnitDecl *FromTU = getTuDecl( |
| 2780 | "void f();" |
| 2781 | "struct X { friend void f(); };", |
| 2782 | Lang_CXX, "input0.cc"); |
| 2783 | auto *FromNormal = |
| 2784 | FirstDeclMatcher<FunctionDecl>().match(FromTU, FunctionPattern); |
| 2785 | auto *FromFriend = |
| 2786 | LastDeclMatcher<FunctionDecl>().match(FromTU, FunctionPattern); |
| 2787 | ASSERT_FALSE(FromNormal->isInIdentifierNamespace(Decl::IDNS_OrdinaryFriend)); |
| 2788 | ASSERT_TRUE(FromNormal->isInIdentifierNamespace(Decl::IDNS_Ordinary)); |
| 2789 | ASSERT_TRUE(FromFriend->isInIdentifierNamespace(Decl::IDNS_OrdinaryFriend)); |
| 2790 | ASSERT_TRUE(FromFriend->isInIdentifierNamespace(Decl::IDNS_Ordinary)); |
| 2791 | |
| 2792 | auto FromName = FromNormal->getDeclName(); |
| 2793 | auto *FromClass = |
| 2794 | FirstDeclMatcher<CXXRecordDecl>().match(FromTU, ClassPattern); |
| 2795 | auto LookupRes = FromClass->noload_lookup(FromName); |
| 2796 | ASSERT_EQ(LookupRes.size(), 0u); |
| 2797 | LookupRes = FromTU->noload_lookup(FromName); |
| 2798 | ASSERT_EQ(LookupRes.size(), 1u); |
| 2799 | |
| 2800 | auto *ToNormal = cast<FunctionDecl>(Import(FromNormal, Lang_CXX)); |
| 2801 | auto ToName = ToNormal->getDeclName(); |
| 2802 | TranslationUnitDecl *ToTU = ToAST->getASTContext().getTranslationUnitDecl(); |
| 2803 | |
| 2804 | auto *ToClass = FirstDeclMatcher<CXXRecordDecl>().match(ToTU, ClassPattern); |
| 2805 | LookupRes = ToClass->noload_lookup(ToName); |
| 2806 | EXPECT_EQ(LookupRes.size(), 0u); |
| 2807 | LookupRes = ToTU->noload_lookup(ToName); |
| 2808 | EXPECT_EQ(LookupRes.size(), 1u); |
| 2809 | |
| 2810 | EXPECT_EQ(DeclCounter<FunctionDecl>().match(ToTU, FunctionPattern), 2u); |
| 2811 | ToNormal = FirstDeclMatcher<FunctionDecl>().match(ToTU, FunctionPattern); |
| 2812 | auto *ToFriend = LastDeclMatcher<FunctionDecl>().match(ToTU, FunctionPattern); |
| 2813 | EXPECT_FALSE(ToNormal->isInIdentifierNamespace(Decl::IDNS_OrdinaryFriend)); |
| 2814 | EXPECT_TRUE(ToNormal->isInIdentifierNamespace(Decl::IDNS_Ordinary)); |
| 2815 | EXPECT_TRUE(ToFriend->isInIdentifierNamespace(Decl::IDNS_OrdinaryFriend)); |
| 2816 | EXPECT_TRUE(ToFriend->isInIdentifierNamespace(Decl::IDNS_Ordinary)); |
| 2817 | } |
| 2818 | |
| 2819 | TEST_P(ImportFriendFunctions, ImportFriendChangesLookup) { |
| 2820 | auto Pattern = functionDecl(hasName("f")); |
| 2821 | |
| 2822 | TranslationUnitDecl *FromNormalTU = |
| 2823 | getTuDecl("void f();", Lang_CXX, "input0.cc"); |
| 2824 | auto *FromNormalF = |
| 2825 | FirstDeclMatcher<FunctionDecl>().match(FromNormalTU, Pattern); |
| 2826 | TranslationUnitDecl *FromFriendTU = |
| 2827 | getTuDecl("class X { friend void f(); };", Lang_CXX, "input1.cc"); |
| 2828 | auto *FromFriendF = |
| 2829 | FirstDeclMatcher<FunctionDecl>().match(FromFriendTU, Pattern); |
| 2830 | auto FromNormalName = FromNormalF->getDeclName(); |
| 2831 | auto FromFriendName = FromFriendF->getDeclName(); |
| 2832 | |
| 2833 | ASSERT_TRUE(FromNormalF->isInIdentifierNamespace(Decl::IDNS_Ordinary)); |
| 2834 | ASSERT_FALSE(FromNormalF->isInIdentifierNamespace(Decl::IDNS_OrdinaryFriend)); |
| 2835 | ASSERT_FALSE(FromFriendF->isInIdentifierNamespace(Decl::IDNS_Ordinary)); |
| 2836 | ASSERT_TRUE(FromFriendF->isInIdentifierNamespace(Decl::IDNS_OrdinaryFriend)); |
| 2837 | auto LookupRes = FromNormalTU->noload_lookup(FromNormalName); |
| 2838 | ASSERT_EQ(LookupRes.size(), 1u); |
| 2839 | LookupRes = FromFriendTU->noload_lookup(FromFriendName); |
| 2840 | ASSERT_EQ(LookupRes.size(), 1u); |
| 2841 | |
| 2842 | auto *ToNormalF = cast<FunctionDecl>(Import(FromNormalF, Lang_CXX)); |
| 2843 | TranslationUnitDecl *ToTU = ToAST->getASTContext().getTranslationUnitDecl(); |
| 2844 | auto ToName = ToNormalF->getDeclName(); |
| 2845 | EXPECT_TRUE(ToNormalF->isInIdentifierNamespace(Decl::IDNS_Ordinary)); |
| 2846 | EXPECT_FALSE(ToNormalF->isInIdentifierNamespace(Decl::IDNS_OrdinaryFriend)); |
| 2847 | LookupRes = ToTU->noload_lookup(ToName); |
| 2848 | EXPECT_EQ(LookupRes.size(), 1u); |
| 2849 | EXPECT_EQ(DeclCounter<FunctionDecl>().match(ToTU, Pattern), 1u); |
Jonas Devlieghere | fc51490 | 2018-10-10 13:27:25 +0000 | [diff] [blame] | 2850 | |
Balazs Keri | 89632b8 | 2018-08-21 14:32:21 +0000 | [diff] [blame] | 2851 | auto *ToFriendF = cast<FunctionDecl>(Import(FromFriendF, Lang_CXX)); |
| 2852 | LookupRes = ToTU->noload_lookup(ToName); |
| 2853 | EXPECT_EQ(LookupRes.size(), 1u); |
| 2854 | EXPECT_EQ(DeclCounter<FunctionDecl>().match(ToTU, Pattern), 2u); |
| 2855 | |
| 2856 | EXPECT_TRUE(ToNormalF->isInIdentifierNamespace(Decl::IDNS_Ordinary)); |
| 2857 | EXPECT_FALSE(ToNormalF->isInIdentifierNamespace(Decl::IDNS_OrdinaryFriend)); |
| 2858 | |
| 2859 | EXPECT_TRUE(ToFriendF->isInIdentifierNamespace(Decl::IDNS_Ordinary)); |
| 2860 | EXPECT_TRUE(ToFriendF->isInIdentifierNamespace(Decl::IDNS_OrdinaryFriend)); |
| 2861 | } |
| 2862 | |
| 2863 | TEST_P(ImportFriendFunctions, ImportFriendList) { |
| 2864 | TranslationUnitDecl *FromTU = getTuDecl( |
| 2865 | "struct X { friend void f(); };" |
| 2866 | "void f();", |
| 2867 | Lang_CXX, "input0.cc"); |
| 2868 | auto *FromFriendF = FirstDeclMatcher<FunctionDecl>().match( |
| 2869 | FromTU, functionDecl(hasName("f"))); |
| 2870 | |
| 2871 | auto *FromClass = FirstDeclMatcher<CXXRecordDecl>().match( |
| 2872 | FromTU, cxxRecordDecl(hasName("X"))); |
| 2873 | auto *FromFriend = FirstDeclMatcher<FriendDecl>().match(FromTU, friendDecl()); |
| 2874 | auto FromFriends = FromClass->friends(); |
| 2875 | unsigned int FrN = 0; |
| 2876 | for (auto Fr : FromFriends) { |
| 2877 | ASSERT_EQ(Fr, FromFriend); |
| 2878 | ++FrN; |
| 2879 | } |
| 2880 | ASSERT_EQ(FrN, 1u); |
| 2881 | |
| 2882 | Import(FromFriendF, Lang_CXX); |
| 2883 | TranslationUnitDecl *ToTU = ToAST->getASTContext().getTranslationUnitDecl(); |
| 2884 | auto *ToClass = FirstDeclMatcher<CXXRecordDecl>().match( |
| 2885 | ToTU, cxxRecordDecl(hasName("X"))); |
| 2886 | auto *ToFriend = FirstDeclMatcher<FriendDecl>().match(ToTU, friendDecl()); |
| 2887 | auto ToFriends = ToClass->friends(); |
| 2888 | FrN = 0; |
| 2889 | for (auto Fr : ToFriends) { |
| 2890 | EXPECT_EQ(Fr, ToFriend); |
| 2891 | ++FrN; |
| 2892 | } |
| 2893 | EXPECT_EQ(FrN, 1u); |
| 2894 | } |
| 2895 | |
Aleksei Sidorin | 04fbffc | 2018-04-24 10:11:53 +0000 | [diff] [blame] | 2896 | AST_MATCHER_P(TagDecl, hasTypedefForAnonDecl, Matcher<TypedefNameDecl>, |
| 2897 | InnerMatcher) { |
| 2898 | if (auto *Typedef = Node.getTypedefNameForAnonDecl()) |
| 2899 | return InnerMatcher.matches(*Typedef, Finder, Builder); |
| 2900 | return false; |
| 2901 | } |
| 2902 | |
Gabor Marton | 19f4f39 | 2018-06-25 13:04:37 +0000 | [diff] [blame] | 2903 | TEST_P(ImportDecl, ImportEnumSequential) { |
Aleksei Sidorin | 04fbffc | 2018-04-24 10:11:53 +0000 | [diff] [blame] | 2904 | CodeFiles Samples{{"main.c", |
| 2905 | {"void foo();" |
| 2906 | "void moo();" |
| 2907 | "int main() { foo(); moo(); }", |
| 2908 | Lang_C}}, |
| 2909 | |
| 2910 | {"foo.c", |
| 2911 | {"typedef enum { THING_VALUE } thing_t;" |
| 2912 | "void conflict(thing_t type);" |
| 2913 | "void foo() { (void)THING_VALUE; }" |
| 2914 | "void conflict(thing_t type) {}", |
| 2915 | Lang_C}}, |
| 2916 | |
| 2917 | {"moo.c", |
| 2918 | {"typedef enum { THING_VALUE } thing_t;" |
| 2919 | "void conflict(thing_t type);" |
| 2920 | "void moo() { conflict(THING_VALUE); }", |
| 2921 | Lang_C}}}; |
| 2922 | |
| 2923 | auto VerificationMatcher = |
| 2924 | enumDecl(has(enumConstantDecl(hasName("THING_VALUE"))), |
| 2925 | hasTypedefForAnonDecl(hasName("thing_t"))); |
| 2926 | |
| 2927 | ImportAction ImportFoo{"foo.c", "main.c", functionDecl(hasName("foo"))}, |
| 2928 | ImportMoo{"moo.c", "main.c", functionDecl(hasName("moo"))}; |
| 2929 | |
| 2930 | testImportSequence( |
| 2931 | Samples, {ImportFoo, ImportMoo}, // "foo", them "moo". |
| 2932 | // Just check that there is only one enum decl in the result AST. |
| 2933 | "main.c", enumDecl(), VerificationMatcher); |
| 2934 | |
| 2935 | // For different import order, result should be the same. |
| 2936 | testImportSequence( |
| 2937 | Samples, {ImportMoo, ImportFoo}, // "moo", them "foo". |
| 2938 | // Check that there is only one enum decl in the result AST. |
| 2939 | "main.c", enumDecl(), VerificationMatcher); |
| 2940 | } |
| 2941 | |
Gabor Marton | 48b16e1 | 2019-07-25 09:07:17 +0000 | [diff] [blame] | 2942 | TEST_P(ImportDecl, ImportFieldOrder) { |
| 2943 | MatchVerifier<Decl> Verifier; |
| 2944 | testImport("struct declToImport {" |
| 2945 | " int b = a + 2;" |
| 2946 | " int a = 5;" |
| 2947 | "};", |
| 2948 | Lang_CXX11, "", Lang_CXX11, Verifier, |
| 2949 | recordDecl(hasFieldOrder({"b", "a"}))); |
| 2950 | } |
| 2951 | |
Peter Szecsi | ce7f318 | 2018-05-07 12:08:27 +0000 | [diff] [blame] | 2952 | const internal::VariadicDynCastAllOfMatcher<Expr, DependentScopeDeclRefExpr> |
| 2953 | dependentScopeDeclRefExpr; |
| 2954 | |
Gabor Marton | 19f4f39 | 2018-06-25 13:04:37 +0000 | [diff] [blame] | 2955 | TEST_P(ImportExpr, DependentScopeDeclRefExpr) { |
Peter Szecsi | ce7f318 | 2018-05-07 12:08:27 +0000 | [diff] [blame] | 2956 | MatchVerifier<Decl> Verifier; |
| 2957 | testImport("template <typename T> struct S { static T foo; };" |
| 2958 | "template <typename T> void declToImport() {" |
| 2959 | " (void) S<T>::foo;" |
| 2960 | "}" |
Gabor Marton | 1f6ad14 | 2018-06-29 10:25:19 +0000 | [diff] [blame] | 2961 | "void instantiate() { declToImport<int>(); }" |
| 2962 | "template <typename T> T S<T>::foo;", |
Peter Szecsi | ce7f318 | 2018-05-07 12:08:27 +0000 | [diff] [blame] | 2963 | Lang_CXX11, "", Lang_CXX11, Verifier, |
| 2964 | functionTemplateDecl(has(functionDecl(has(compoundStmt( |
| 2965 | has(cStyleCastExpr(has(dependentScopeDeclRefExpr()))))))))); |
| 2966 | |
| 2967 | testImport("template <typename T> struct S {" |
| 2968 | "template<typename S> static void foo(){};" |
| 2969 | "};" |
| 2970 | "template <typename T> void declToImport() {" |
| 2971 | " S<T>::template foo<T>();" |
| 2972 | "}" |
| 2973 | "void instantiate() { declToImport<int>(); }", |
| 2974 | Lang_CXX11, "", Lang_CXX11, Verifier, |
| 2975 | functionTemplateDecl(has(functionDecl(has(compoundStmt( |
| 2976 | has(callExpr(has(dependentScopeDeclRefExpr()))))))))); |
| 2977 | } |
| 2978 | |
| 2979 | const internal::VariadicDynCastAllOfMatcher<Type, DependentNameType> |
| 2980 | dependentNameType; |
| 2981 | |
Gabor Marton | 19f4f39 | 2018-06-25 13:04:37 +0000 | [diff] [blame] | 2982 | TEST_P(ImportExpr, DependentNameType) { |
Peter Szecsi | ce7f318 | 2018-05-07 12:08:27 +0000 | [diff] [blame] | 2983 | MatchVerifier<Decl> Verifier; |
| 2984 | testImport("template <typename T> struct declToImport {" |
| 2985 | " typedef typename T::type dependent_name;" |
| 2986 | "};", |
| 2987 | Lang_CXX11, "", Lang_CXX11, Verifier, |
| 2988 | classTemplateDecl(has( |
| 2989 | cxxRecordDecl(has(typedefDecl(has(dependentNameType()))))))); |
| 2990 | } |
| 2991 | |
Gabor Marton | 19f4f39 | 2018-06-25 13:04:37 +0000 | [diff] [blame] | 2992 | TEST_P(ImportExpr, UnresolvedMemberExpr) { |
Peter Szecsi | ce7f318 | 2018-05-07 12:08:27 +0000 | [diff] [blame] | 2993 | MatchVerifier<Decl> Verifier; |
| 2994 | testImport("struct S { template <typename T> void mem(); };" |
| 2995 | "template <typename U> void declToImport() {" |
| 2996 | " S s;" |
| 2997 | " s.mem<U>();" |
| 2998 | "}" |
| 2999 | "void instantiate() { declToImport<int>(); }", |
| 3000 | Lang_CXX11, "", Lang_CXX11, Verifier, |
| 3001 | functionTemplateDecl(has(functionDecl(has( |
| 3002 | compoundStmt(has(callExpr(has(unresolvedMemberExpr()))))))))); |
| 3003 | } |
| 3004 | |
Gabor Marton | 0b57ccb | 2019-02-07 16:52:48 +0000 | [diff] [blame] | 3005 | class ImportImplicitMethods : public ASTImporterOptionSpecificTestBase { |
Balazs Keri | 1d20cc2 | 2018-07-16 12:16:39 +0000 | [diff] [blame] | 3006 | public: |
| 3007 | static constexpr auto DefaultCode = R"( |
| 3008 | struct A { int x; }; |
| 3009 | void f() { |
| 3010 | A a; |
| 3011 | A a1(a); |
| 3012 | A a2(A{}); |
| 3013 | a = a1; |
| 3014 | a = A{}; |
| 3015 | a.~A(); |
| 3016 | })"; |
| 3017 | |
| 3018 | template <typename MatcherType> |
| 3019 | void testImportOf( |
| 3020 | const MatcherType &MethodMatcher, const char *Code = DefaultCode) { |
| 3021 | test(MethodMatcher, Code, /*ExpectedCount=*/1u); |
| 3022 | } |
| 3023 | |
| 3024 | template <typename MatcherType> |
| 3025 | void testNoImportOf( |
| 3026 | const MatcherType &MethodMatcher, const char *Code = DefaultCode) { |
| 3027 | test(MethodMatcher, Code, /*ExpectedCount=*/0u); |
| 3028 | } |
| 3029 | |
| 3030 | private: |
| 3031 | template <typename MatcherType> |
| 3032 | void test(const MatcherType &MethodMatcher, |
| 3033 | const char *Code, unsigned int ExpectedCount) { |
| 3034 | auto ClassMatcher = cxxRecordDecl(unless(isImplicit())); |
| 3035 | |
| 3036 | Decl *ToTU = getToTuDecl(Code, Lang_CXX11); |
| 3037 | auto *ToClass = FirstDeclMatcher<CXXRecordDecl>().match( |
| 3038 | ToTU, ClassMatcher); |
| 3039 | |
Balazs Keri | 2f752ba | 2018-07-16 14:05:18 +0000 | [diff] [blame] | 3040 | ASSERT_EQ(DeclCounter<CXXMethodDecl>().match(ToClass, MethodMatcher), 1u); |
Balazs Keri | 1d20cc2 | 2018-07-16 12:16:39 +0000 | [diff] [blame] | 3041 | |
| 3042 | { |
| 3043 | CXXMethodDecl *Method = |
| 3044 | FirstDeclMatcher<CXXMethodDecl>().match(ToClass, MethodMatcher); |
| 3045 | ToClass->removeDecl(Method); |
Gabor Marton | 2afbfb6 | 2019-07-01 15:37:07 +0000 | [diff] [blame] | 3046 | SharedStatePtr->getLookupTable()->remove(Method); |
Balazs Keri | 1d20cc2 | 2018-07-16 12:16:39 +0000 | [diff] [blame] | 3047 | } |
| 3048 | |
Balazs Keri | 2f752ba | 2018-07-16 14:05:18 +0000 | [diff] [blame] | 3049 | ASSERT_EQ(DeclCounter<CXXMethodDecl>().match(ToClass, MethodMatcher), 0u); |
Balazs Keri | 1d20cc2 | 2018-07-16 12:16:39 +0000 | [diff] [blame] | 3050 | |
| 3051 | Decl *ImportedClass = nullptr; |
| 3052 | { |
| 3053 | Decl *FromTU = getTuDecl(Code, Lang_CXX11, "input1.cc"); |
| 3054 | auto *FromClass = FirstDeclMatcher<CXXRecordDecl>().match( |
| 3055 | FromTU, ClassMatcher); |
| 3056 | ImportedClass = Import(FromClass, Lang_CXX11); |
| 3057 | } |
| 3058 | |
| 3059 | EXPECT_EQ(ToClass, ImportedClass); |
| 3060 | EXPECT_EQ(DeclCounter<CXXMethodDecl>().match(ToClass, MethodMatcher), |
| 3061 | ExpectedCount); |
| 3062 | } |
| 3063 | }; |
| 3064 | |
| 3065 | TEST_P(ImportImplicitMethods, DefaultConstructor) { |
| 3066 | testImportOf(cxxConstructorDecl(isDefaultConstructor())); |
| 3067 | } |
| 3068 | |
| 3069 | TEST_P(ImportImplicitMethods, CopyConstructor) { |
| 3070 | testImportOf(cxxConstructorDecl(isCopyConstructor())); |
| 3071 | } |
| 3072 | |
| 3073 | TEST_P(ImportImplicitMethods, MoveConstructor) { |
| 3074 | testImportOf(cxxConstructorDecl(isMoveConstructor())); |
| 3075 | } |
| 3076 | |
| 3077 | TEST_P(ImportImplicitMethods, Destructor) { |
| 3078 | testImportOf(cxxDestructorDecl()); |
| 3079 | } |
| 3080 | |
| 3081 | TEST_P(ImportImplicitMethods, CopyAssignment) { |
| 3082 | testImportOf(cxxMethodDecl(isCopyAssignmentOperator())); |
| 3083 | } |
| 3084 | |
| 3085 | TEST_P(ImportImplicitMethods, MoveAssignment) { |
| 3086 | testImportOf(cxxMethodDecl(isMoveAssignmentOperator())); |
| 3087 | } |
| 3088 | |
| 3089 | TEST_P(ImportImplicitMethods, DoNotImportUserProvided) { |
| 3090 | auto Code = R"( |
| 3091 | struct A { A() { int x; } }; |
| 3092 | )"; |
| 3093 | testNoImportOf(cxxConstructorDecl(isDefaultConstructor()), Code); |
| 3094 | } |
| 3095 | |
| 3096 | TEST_P(ImportImplicitMethods, DoNotImportDefault) { |
| 3097 | auto Code = R"( |
| 3098 | struct A { A() = default; }; |
| 3099 | )"; |
| 3100 | testNoImportOf(cxxConstructorDecl(isDefaultConstructor()), Code); |
| 3101 | } |
| 3102 | |
| 3103 | TEST_P(ImportImplicitMethods, DoNotImportDeleted) { |
| 3104 | auto Code = R"( |
| 3105 | struct A { A() = delete; }; |
| 3106 | )"; |
| 3107 | testNoImportOf(cxxConstructorDecl(isDefaultConstructor()), Code); |
| 3108 | } |
| 3109 | |
| 3110 | TEST_P(ImportImplicitMethods, DoNotImportOtherMethod) { |
| 3111 | auto Code = R"( |
| 3112 | struct A { void f() { } }; |
| 3113 | )"; |
| 3114 | testNoImportOf(cxxMethodDecl(hasName("f")), Code); |
| 3115 | } |
| 3116 | |
Gabor Marton | 0b57ccb | 2019-02-07 16:52:48 +0000 | [diff] [blame] | 3117 | TEST_P(ASTImporterOptionSpecificTestBase, ImportOfEquivalentRecord) { |
Balazs Keri | c7797c4 | 2018-07-11 09:37:24 +0000 | [diff] [blame] | 3118 | Decl *ToR1; |
| 3119 | { |
| 3120 | Decl *FromTU = getTuDecl( |
| 3121 | "struct A { };", Lang_CXX, "input0.cc"); |
| 3122 | auto *FromR = FirstDeclMatcher<CXXRecordDecl>().match( |
| 3123 | FromTU, cxxRecordDecl(hasName("A"))); |
| 3124 | |
| 3125 | ToR1 = Import(FromR, Lang_CXX); |
| 3126 | } |
| 3127 | |
| 3128 | Decl *ToR2; |
| 3129 | { |
| 3130 | Decl *FromTU = getTuDecl( |
| 3131 | "struct A { };", Lang_CXX, "input1.cc"); |
| 3132 | auto *FromR = FirstDeclMatcher<CXXRecordDecl>().match( |
| 3133 | FromTU, cxxRecordDecl(hasName("A"))); |
| 3134 | |
| 3135 | ToR2 = Import(FromR, Lang_CXX); |
| 3136 | } |
Jonas Devlieghere | fc51490 | 2018-10-10 13:27:25 +0000 | [diff] [blame] | 3137 | |
Balazs Keri | c7797c4 | 2018-07-11 09:37:24 +0000 | [diff] [blame] | 3138 | EXPECT_EQ(ToR1, ToR2); |
| 3139 | } |
| 3140 | |
Gabor Marton | 0b57ccb | 2019-02-07 16:52:48 +0000 | [diff] [blame] | 3141 | TEST_P(ASTImporterOptionSpecificTestBase, ImportOfNonEquivalentRecord) { |
Balazs Keri | c7797c4 | 2018-07-11 09:37:24 +0000 | [diff] [blame] | 3142 | Decl *ToR1; |
| 3143 | { |
| 3144 | Decl *FromTU = getTuDecl( |
| 3145 | "struct A { int x; };", Lang_CXX, "input0.cc"); |
| 3146 | auto *FromR = FirstDeclMatcher<CXXRecordDecl>().match( |
| 3147 | FromTU, cxxRecordDecl(hasName("A"))); |
| 3148 | ToR1 = Import(FromR, Lang_CXX); |
| 3149 | } |
| 3150 | Decl *ToR2; |
| 3151 | { |
| 3152 | Decl *FromTU = getTuDecl( |
| 3153 | "struct A { unsigned x; };", Lang_CXX, "input1.cc"); |
| 3154 | auto *FromR = FirstDeclMatcher<CXXRecordDecl>().match( |
| 3155 | FromTU, cxxRecordDecl(hasName("A"))); |
| 3156 | ToR2 = Import(FromR, Lang_CXX); |
| 3157 | } |
| 3158 | EXPECT_NE(ToR1, ToR2); |
| 3159 | } |
| 3160 | |
Gabor Marton | 0b57ccb | 2019-02-07 16:52:48 +0000 | [diff] [blame] | 3161 | TEST_P(ASTImporterOptionSpecificTestBase, ImportOfEquivalentField) { |
Balazs Keri | c7797c4 | 2018-07-11 09:37:24 +0000 | [diff] [blame] | 3162 | Decl *ToF1; |
| 3163 | { |
| 3164 | Decl *FromTU = getTuDecl( |
| 3165 | "struct A { int x; };", Lang_CXX, "input0.cc"); |
| 3166 | auto *FromF = FirstDeclMatcher<FieldDecl>().match( |
| 3167 | FromTU, fieldDecl(hasName("x"))); |
| 3168 | ToF1 = Import(FromF, Lang_CXX); |
| 3169 | } |
| 3170 | Decl *ToF2; |
| 3171 | { |
| 3172 | Decl *FromTU = getTuDecl( |
| 3173 | "struct A { int x; };", Lang_CXX, "input1.cc"); |
| 3174 | auto *FromF = FirstDeclMatcher<FieldDecl>().match( |
| 3175 | FromTU, fieldDecl(hasName("x"))); |
| 3176 | ToF2 = Import(FromF, Lang_CXX); |
| 3177 | } |
| 3178 | EXPECT_EQ(ToF1, ToF2); |
| 3179 | } |
| 3180 | |
Gabor Marton | 0b57ccb | 2019-02-07 16:52:48 +0000 | [diff] [blame] | 3181 | TEST_P(ASTImporterOptionSpecificTestBase, ImportOfNonEquivalentField) { |
Balazs Keri | c7797c4 | 2018-07-11 09:37:24 +0000 | [diff] [blame] | 3182 | Decl *ToF1; |
| 3183 | { |
| 3184 | Decl *FromTU = getTuDecl( |
| 3185 | "struct A { int x; };", Lang_CXX, "input0.cc"); |
| 3186 | auto *FromF = FirstDeclMatcher<FieldDecl>().match( |
| 3187 | FromTU, fieldDecl(hasName("x"))); |
| 3188 | ToF1 = Import(FromF, Lang_CXX); |
| 3189 | } |
| 3190 | Decl *ToF2; |
| 3191 | { |
| 3192 | Decl *FromTU = getTuDecl( |
| 3193 | "struct A { unsigned x; };", Lang_CXX, "input1.cc"); |
| 3194 | auto *FromF = FirstDeclMatcher<FieldDecl>().match( |
| 3195 | FromTU, fieldDecl(hasName("x"))); |
| 3196 | ToF2 = Import(FromF, Lang_CXX); |
| 3197 | } |
| 3198 | EXPECT_NE(ToF1, ToF2); |
| 3199 | } |
| 3200 | |
Gabor Marton | 0b57ccb | 2019-02-07 16:52:48 +0000 | [diff] [blame] | 3201 | TEST_P(ASTImporterOptionSpecificTestBase, ImportOfEquivalentMethod) { |
Balazs Keri | c7797c4 | 2018-07-11 09:37:24 +0000 | [diff] [blame] | 3202 | Decl *ToM1; |
| 3203 | { |
| 3204 | Decl *FromTU = getTuDecl( |
| 3205 | "struct A { void x(); }; void A::x() { }", Lang_CXX, "input0.cc"); |
| 3206 | auto *FromM = FirstDeclMatcher<FunctionDecl>().match( |
| 3207 | FromTU, functionDecl(hasName("x"), isDefinition())); |
| 3208 | ToM1 = Import(FromM, Lang_CXX); |
| 3209 | } |
| 3210 | Decl *ToM2; |
| 3211 | { |
| 3212 | Decl *FromTU = getTuDecl( |
| 3213 | "struct A { void x(); }; void A::x() { }", Lang_CXX, "input1.cc"); |
| 3214 | auto *FromM = FirstDeclMatcher<FunctionDecl>().match( |
| 3215 | FromTU, functionDecl(hasName("x"), isDefinition())); |
| 3216 | ToM2 = Import(FromM, Lang_CXX); |
| 3217 | } |
| 3218 | EXPECT_EQ(ToM1, ToM2); |
| 3219 | } |
| 3220 | |
Gabor Marton | 0b57ccb | 2019-02-07 16:52:48 +0000 | [diff] [blame] | 3221 | TEST_P(ASTImporterOptionSpecificTestBase, ImportOfNonEquivalentMethod) { |
Balazs Keri | c7797c4 | 2018-07-11 09:37:24 +0000 | [diff] [blame] | 3222 | Decl *ToM1; |
| 3223 | { |
| 3224 | Decl *FromTU = getTuDecl( |
| 3225 | "struct A { void x(); }; void A::x() { }", |
| 3226 | Lang_CXX, "input0.cc"); |
| 3227 | auto *FromM = FirstDeclMatcher<FunctionDecl>().match( |
| 3228 | FromTU, functionDecl(hasName("x"), isDefinition())); |
| 3229 | ToM1 = Import(FromM, Lang_CXX); |
| 3230 | } |
| 3231 | Decl *ToM2; |
| 3232 | { |
| 3233 | Decl *FromTU = getTuDecl( |
| 3234 | "struct A { void x() const; }; void A::x() const { }", |
| 3235 | Lang_CXX, "input1.cc"); |
| 3236 | auto *FromM = FirstDeclMatcher<FunctionDecl>().match( |
| 3237 | FromTU, functionDecl(hasName("x"), isDefinition())); |
| 3238 | ToM2 = Import(FromM, Lang_CXX); |
| 3239 | } |
| 3240 | EXPECT_NE(ToM1, ToM2); |
| 3241 | } |
| 3242 | |
Gabor Marton | 0b57ccb | 2019-02-07 16:52:48 +0000 | [diff] [blame] | 3243 | TEST_P(ASTImporterOptionSpecificTestBase, |
| 3244 | ImportUnnamedStructsWithRecursingField) { |
Gabor Marton | f086fa8 | 2018-07-17 12:06:36 +0000 | [diff] [blame] | 3245 | Decl *FromTU = getTuDecl( |
| 3246 | R"( |
| 3247 | struct A { |
| 3248 | struct { |
| 3249 | struct A *next; |
| 3250 | } entry0; |
| 3251 | struct { |
| 3252 | struct A *next; |
| 3253 | } entry1; |
| 3254 | }; |
| 3255 | )", |
| 3256 | Lang_C, "input0.cc"); |
| 3257 | auto *From = |
| 3258 | FirstDeclMatcher<RecordDecl>().match(FromTU, recordDecl(hasName("A"))); |
| 3259 | |
| 3260 | Import(From, Lang_C); |
| 3261 | |
| 3262 | auto *ToTU = ToAST->getASTContext().getTranslationUnitDecl(); |
| 3263 | auto *Entry0 = |
| 3264 | FirstDeclMatcher<FieldDecl>().match(ToTU, fieldDecl(hasName("entry0"))); |
| 3265 | auto *Entry1 = |
| 3266 | FirstDeclMatcher<FieldDecl>().match(ToTU, fieldDecl(hasName("entry1"))); |
| 3267 | auto *R0 = getRecordDecl(Entry0); |
| 3268 | auto *R1 = getRecordDecl(Entry1); |
| 3269 | EXPECT_NE(R0, R1); |
| 3270 | EXPECT_TRUE(MatchVerifier<RecordDecl>().match( |
| 3271 | R0, recordDecl(has(fieldDecl(hasName("next")))))); |
| 3272 | EXPECT_TRUE(MatchVerifier<RecordDecl>().match( |
| 3273 | R1, recordDecl(has(fieldDecl(hasName("next")))))); |
| 3274 | } |
| 3275 | |
Gabor Marton | 0b57ccb | 2019-02-07 16:52:48 +0000 | [diff] [blame] | 3276 | TEST_P(ASTImporterOptionSpecificTestBase, ImportUnnamedFieldsInCorrectOrder) { |
Balazs Keri | 2544b4b | 2018-08-08 09:40:57 +0000 | [diff] [blame] | 3277 | Decl *FromTU = getTuDecl( |
| 3278 | R"( |
| 3279 | void f(int X, int Y, bool Z) { |
| 3280 | (void)[X, Y, Z] { (void)Z; }; |
| 3281 | } |
| 3282 | )", |
| 3283 | Lang_CXX11, "input0.cc"); |
| 3284 | auto *FromF = FirstDeclMatcher<FunctionDecl>().match( |
| 3285 | FromTU, functionDecl(hasName("f"))); |
| 3286 | auto *ToF = cast_or_null<FunctionDecl>(Import(FromF, Lang_CXX11)); |
| 3287 | EXPECT_TRUE(ToF); |
| 3288 | |
| 3289 | CXXRecordDecl *FromLambda = |
| 3290 | cast<LambdaExpr>(cast<CStyleCastExpr>(cast<CompoundStmt>( |
| 3291 | FromF->getBody())->body_front())->getSubExpr())->getLambdaClass(); |
| 3292 | |
| 3293 | auto *ToLambda = cast_or_null<CXXRecordDecl>(Import(FromLambda, Lang_CXX11)); |
| 3294 | EXPECT_TRUE(ToLambda); |
| 3295 | |
| 3296 | // Check if the fields of the lambda class are imported in correct order. |
| 3297 | unsigned FromIndex = 0u; |
| 3298 | for (auto *FromField : FromLambda->fields()) { |
| 3299 | ASSERT_FALSE(FromField->getDeclName()); |
| 3300 | auto *ToField = cast_or_null<FieldDecl>(Import(FromField, Lang_CXX11)); |
| 3301 | EXPECT_TRUE(ToField); |
Balazs Keri | 3b30d65 | 2018-10-19 13:32:20 +0000 | [diff] [blame] | 3302 | Optional<unsigned> ToIndex = ASTImporter::getFieldIndex(ToField); |
| 3303 | EXPECT_TRUE(ToIndex); |
| 3304 | EXPECT_EQ(*ToIndex, FromIndex); |
Balazs Keri | 2544b4b | 2018-08-08 09:40:57 +0000 | [diff] [blame] | 3305 | ++FromIndex; |
| 3306 | } |
| 3307 | |
| 3308 | EXPECT_EQ(FromIndex, 3u); |
| 3309 | } |
| 3310 | |
Gabor Marton | 0b57ccb | 2019-02-07 16:52:48 +0000 | [diff] [blame] | 3311 | TEST_P(ASTImporterOptionSpecificTestBase, |
| 3312 | MergeFieldDeclsOfClassTemplateSpecialization) { |
Gabor Marton | 42e15de | 2018-08-22 11:52:14 +0000 | [diff] [blame] | 3313 | std::string ClassTemplate = |
| 3314 | R"( |
| 3315 | template <typename T> |
| 3316 | struct X { |
| 3317 | int a{0}; // FieldDecl with InitListExpr |
| 3318 | X(char) : a(3) {} // (1) |
| 3319 | X(int) {} // (2) |
| 3320 | }; |
| 3321 | )"; |
| 3322 | Decl *ToTU = getToTuDecl(ClassTemplate + |
| 3323 | R"( |
| 3324 | void foo() { |
| 3325 | // ClassTemplateSpec with ctor (1): FieldDecl without InitlistExpr |
| 3326 | X<char> xc('c'); |
| 3327 | } |
| 3328 | )", Lang_CXX11); |
| 3329 | auto *ToSpec = FirstDeclMatcher<ClassTemplateSpecializationDecl>().match( |
| 3330 | ToTU, classTemplateSpecializationDecl(hasName("X"))); |
| 3331 | // FieldDecl without InitlistExpr: |
| 3332 | auto *ToField = *ToSpec->field_begin(); |
| 3333 | ASSERT_TRUE(ToField); |
| 3334 | ASSERT_FALSE(ToField->getInClassInitializer()); |
| 3335 | Decl *FromTU = getTuDecl(ClassTemplate + |
| 3336 | R"( |
| 3337 | void bar() { |
| 3338 | // ClassTemplateSpec with ctor (2): FieldDecl WITH InitlistExpr |
| 3339 | X<char> xc(1); |
| 3340 | } |
| 3341 | )", Lang_CXX11); |
| 3342 | auto *FromSpec = FirstDeclMatcher<ClassTemplateSpecializationDecl>().match( |
| 3343 | FromTU, classTemplateSpecializationDecl(hasName("X"))); |
| 3344 | // FieldDecl with InitlistExpr: |
| 3345 | auto *FromField = *FromSpec->field_begin(); |
| 3346 | ASSERT_TRUE(FromField); |
| 3347 | ASSERT_TRUE(FromField->getInClassInitializer()); |
| 3348 | |
| 3349 | auto *ImportedSpec = Import(FromSpec, Lang_CXX11); |
| 3350 | ASSERT_TRUE(ImportedSpec); |
| 3351 | EXPECT_EQ(ImportedSpec, ToSpec); |
| 3352 | // After the import, the FieldDecl has to be merged, thus it should have the |
| 3353 | // InitListExpr. |
| 3354 | EXPECT_TRUE(ToField->getInClassInitializer()); |
| 3355 | } |
| 3356 | |
Gabor Marton | 0b57ccb | 2019-02-07 16:52:48 +0000 | [diff] [blame] | 3357 | TEST_P(ASTImporterOptionSpecificTestBase, |
| 3358 | MergeFunctionOfClassTemplateSpecialization) { |
Gabor Marton | 42e15de | 2018-08-22 11:52:14 +0000 | [diff] [blame] | 3359 | std::string ClassTemplate = |
| 3360 | R"( |
| 3361 | template <typename T> |
| 3362 | struct X { |
| 3363 | void f() {} |
| 3364 | void g() {} |
| 3365 | }; |
| 3366 | )"; |
| 3367 | Decl *ToTU = getToTuDecl(ClassTemplate + |
| 3368 | R"( |
| 3369 | void foo() { |
| 3370 | X<char> x; |
| 3371 | x.f(); |
| 3372 | } |
| 3373 | )", Lang_CXX11); |
| 3374 | Decl *FromTU = getTuDecl(ClassTemplate + |
| 3375 | R"( |
| 3376 | void bar() { |
| 3377 | X<char> x; |
| 3378 | x.g(); |
| 3379 | } |
| 3380 | )", Lang_CXX11); |
| 3381 | auto *FromSpec = FirstDeclMatcher<ClassTemplateSpecializationDecl>().match( |
| 3382 | FromTU, classTemplateSpecializationDecl(hasName("X"))); |
| 3383 | auto FunPattern = functionDecl(hasName("g"), |
| 3384 | hasParent(classTemplateSpecializationDecl())); |
| 3385 | auto *FromFun = |
| 3386 | FirstDeclMatcher<FunctionDecl>().match(FromTU, FunPattern); |
| 3387 | auto *ToFun = |
| 3388 | FirstDeclMatcher<FunctionDecl>().match(ToTU, FunPattern); |
| 3389 | ASSERT_TRUE(FromFun->hasBody()); |
| 3390 | ASSERT_FALSE(ToFun->hasBody()); |
| 3391 | auto *ImportedSpec = Import(FromSpec, Lang_CXX11); |
| 3392 | ASSERT_TRUE(ImportedSpec); |
| 3393 | auto *ToSpec = FirstDeclMatcher<ClassTemplateSpecializationDecl>().match( |
| 3394 | ToTU, classTemplateSpecializationDecl(hasName("X"))); |
| 3395 | EXPECT_EQ(ImportedSpec, ToSpec); |
| 3396 | EXPECT_TRUE(ToFun->hasBody()); |
| 3397 | } |
| 3398 | |
Gabor Marton | 0b57ccb | 2019-02-07 16:52:48 +0000 | [diff] [blame] | 3399 | TEST_P(ASTImporterOptionSpecificTestBase, |
Gabor Marton | 42e15de | 2018-08-22 11:52:14 +0000 | [diff] [blame] | 3400 | ODRViolationOfClassTemplateSpecializationsShouldBeReported) { |
| 3401 | std::string ClassTemplate = |
| 3402 | R"( |
| 3403 | template <typename T> |
| 3404 | struct X {}; |
| 3405 | )"; |
| 3406 | Decl *ToTU = getToTuDecl(ClassTemplate + |
| 3407 | R"( |
| 3408 | template <> |
| 3409 | struct X<char> { |
| 3410 | int a; |
| 3411 | }; |
| 3412 | void foo() { |
| 3413 | X<char> x; |
| 3414 | } |
| 3415 | )", |
| 3416 | Lang_CXX11); |
| 3417 | Decl *FromTU = getTuDecl(ClassTemplate + |
| 3418 | R"( |
| 3419 | template <> |
| 3420 | struct X<char> { |
| 3421 | int b; |
| 3422 | }; |
| 3423 | void foo() { |
| 3424 | X<char> x; |
| 3425 | } |
| 3426 | )", |
| 3427 | Lang_CXX11); |
| 3428 | auto *FromSpec = FirstDeclMatcher<ClassTemplateSpecializationDecl>().match( |
| 3429 | FromTU, classTemplateSpecializationDecl(hasName("X"))); |
| 3430 | auto *ImportedSpec = Import(FromSpec, Lang_CXX11); |
| 3431 | |
| 3432 | // We expect one (ODR) warning during the import. |
| 3433 | EXPECT_EQ(1u, ToTU->getASTContext().getDiagnostics().getNumWarnings()); |
| 3434 | |
| 3435 | // The second specialization is different from the first, thus it violates |
| 3436 | // ODR, consequently we expect to keep the first specialization only, which is |
| 3437 | // already in the "To" context. |
Gabor Marton | 7f8c400 | 2019-03-19 13:34:10 +0000 | [diff] [blame] | 3438 | EXPECT_FALSE(ImportedSpec); |
| 3439 | EXPECT_EQ(1u, |
| 3440 | DeclCounter<ClassTemplateSpecializationDecl>().match( |
| 3441 | ToTU, classTemplateSpecializationDecl(hasName("X")))); |
Gabor Marton | 42e15de | 2018-08-22 11:52:14 +0000 | [diff] [blame] | 3442 | } |
| 3443 | |
Gabor Marton | 0b57ccb | 2019-02-07 16:52:48 +0000 | [diff] [blame] | 3444 | TEST_P(ASTImporterOptionSpecificTestBase, |
| 3445 | MergeCtorOfClassTemplateSpecialization) { |
Gabor Marton | 42e15de | 2018-08-22 11:52:14 +0000 | [diff] [blame] | 3446 | std::string ClassTemplate = |
| 3447 | R"( |
| 3448 | template <typename T> |
| 3449 | struct X { |
| 3450 | X(char) {} |
| 3451 | X(int) {} |
| 3452 | }; |
| 3453 | )"; |
| 3454 | Decl *ToTU = getToTuDecl(ClassTemplate + |
| 3455 | R"( |
| 3456 | void foo() { |
| 3457 | X<char> x('c'); |
| 3458 | } |
| 3459 | )", Lang_CXX11); |
| 3460 | Decl *FromTU = getTuDecl(ClassTemplate + |
| 3461 | R"( |
| 3462 | void bar() { |
| 3463 | X<char> x(1); |
| 3464 | } |
| 3465 | )", Lang_CXX11); |
| 3466 | auto *FromSpec = FirstDeclMatcher<ClassTemplateSpecializationDecl>().match( |
| 3467 | FromTU, classTemplateSpecializationDecl(hasName("X"))); |
| 3468 | // Match the void(int) ctor. |
| 3469 | auto CtorPattern = |
| 3470 | cxxConstructorDecl(hasParameter(0, varDecl(hasType(asString("int")))), |
| 3471 | hasParent(classTemplateSpecializationDecl())); |
| 3472 | auto *FromCtor = |
| 3473 | FirstDeclMatcher<CXXConstructorDecl>().match(FromTU, CtorPattern); |
| 3474 | auto *ToCtor = |
| 3475 | FirstDeclMatcher<CXXConstructorDecl>().match(ToTU, CtorPattern); |
| 3476 | ASSERT_TRUE(FromCtor->hasBody()); |
| 3477 | ASSERT_FALSE(ToCtor->hasBody()); |
| 3478 | auto *ImportedSpec = Import(FromSpec, Lang_CXX11); |
| 3479 | ASSERT_TRUE(ImportedSpec); |
| 3480 | auto *ToSpec = FirstDeclMatcher<ClassTemplateSpecializationDecl>().match( |
| 3481 | ToTU, classTemplateSpecializationDecl(hasName("X"))); |
| 3482 | EXPECT_EQ(ImportedSpec, ToSpec); |
| 3483 | EXPECT_TRUE(ToCtor->hasBody()); |
| 3484 | } |
| 3485 | |
Gabor Marton | 0b57ccb | 2019-02-07 16:52:48 +0000 | [diff] [blame] | 3486 | TEST_P(ASTImporterOptionSpecificTestBase, |
Gabor Marton | 42e15de | 2018-08-22 11:52:14 +0000 | [diff] [blame] | 3487 | ClassTemplatePartialSpecializationsShouldNotBeDuplicated) { |
| 3488 | auto Code = |
| 3489 | R"( |
| 3490 | // primary template |
| 3491 | template<class T1, class T2, int I> |
| 3492 | class A {}; |
| 3493 | |
| 3494 | // partial specialization |
| 3495 | template<class T, int I> |
| 3496 | class A<T, T*, I> {}; |
| 3497 | )"; |
| 3498 | Decl *ToTU = getToTuDecl(Code, Lang_CXX11); |
| 3499 | Decl *FromTU = getTuDecl(Code, Lang_CXX11); |
| 3500 | auto *FromSpec = |
| 3501 | FirstDeclMatcher<ClassTemplatePartialSpecializationDecl>().match( |
| 3502 | FromTU, classTemplatePartialSpecializationDecl()); |
| 3503 | auto *ToSpec = |
| 3504 | FirstDeclMatcher<ClassTemplatePartialSpecializationDecl>().match( |
| 3505 | ToTU, classTemplatePartialSpecializationDecl()); |
| 3506 | |
| 3507 | auto *ImportedSpec = Import(FromSpec, Lang_CXX11); |
| 3508 | EXPECT_EQ(ImportedSpec, ToSpec); |
| 3509 | EXPECT_EQ(1u, DeclCounter<ClassTemplatePartialSpecializationDecl>().match( |
| 3510 | ToTU, classTemplatePartialSpecializationDecl())); |
| 3511 | } |
| 3512 | |
Gabor Marton | 0b57ccb | 2019-02-07 16:52:48 +0000 | [diff] [blame] | 3513 | TEST_P(ASTImporterOptionSpecificTestBase, |
| 3514 | ClassTemplateSpecializationsShouldNotBeDuplicated) { |
Gabor Marton | 42e15de | 2018-08-22 11:52:14 +0000 | [diff] [blame] | 3515 | auto Code = |
| 3516 | R"( |
| 3517 | // primary template |
| 3518 | template<class T1, class T2, int I> |
| 3519 | class A {}; |
| 3520 | |
| 3521 | // full specialization |
| 3522 | template<> |
| 3523 | class A<int, int, 1> {}; |
| 3524 | )"; |
| 3525 | Decl *ToTU = getToTuDecl(Code, Lang_CXX11); |
| 3526 | Decl *FromTU = getTuDecl(Code, Lang_CXX11); |
| 3527 | auto *FromSpec = FirstDeclMatcher<ClassTemplateSpecializationDecl>().match( |
| 3528 | FromTU, classTemplateSpecializationDecl()); |
| 3529 | auto *ToSpec = FirstDeclMatcher<ClassTemplateSpecializationDecl>().match( |
| 3530 | ToTU, classTemplateSpecializationDecl()); |
| 3531 | |
| 3532 | auto *ImportedSpec = Import(FromSpec, Lang_CXX11); |
| 3533 | EXPECT_EQ(ImportedSpec, ToSpec); |
| 3534 | EXPECT_EQ(1u, DeclCounter<ClassTemplateSpecializationDecl>().match( |
| 3535 | ToTU, classTemplateSpecializationDecl())); |
| 3536 | } |
| 3537 | |
Gabor Marton | 0b57ccb | 2019-02-07 16:52:48 +0000 | [diff] [blame] | 3538 | TEST_P(ASTImporterOptionSpecificTestBase, |
| 3539 | ClassTemplateFullAndPartialSpecsShouldNotBeMixed) { |
Gabor Marton | 42e15de | 2018-08-22 11:52:14 +0000 | [diff] [blame] | 3540 | std::string PrimaryTemplate = |
| 3541 | R"( |
| 3542 | template<class T1, class T2, int I> |
| 3543 | class A {}; |
| 3544 | )"; |
| 3545 | auto PartialSpec = |
| 3546 | R"( |
| 3547 | template<class T, int I> |
| 3548 | class A<T, T*, I> {}; |
| 3549 | )"; |
| 3550 | auto FullSpec = |
| 3551 | R"( |
| 3552 | template<> |
| 3553 | class A<int, int, 1> {}; |
| 3554 | )"; |
| 3555 | Decl *ToTU = getToTuDecl(PrimaryTemplate + FullSpec, Lang_CXX11); |
| 3556 | Decl *FromTU = getTuDecl(PrimaryTemplate + PartialSpec, Lang_CXX11); |
| 3557 | auto *FromSpec = FirstDeclMatcher<ClassTemplateSpecializationDecl>().match( |
| 3558 | FromTU, classTemplateSpecializationDecl()); |
| 3559 | |
| 3560 | auto *ImportedSpec = Import(FromSpec, Lang_CXX11); |
| 3561 | EXPECT_TRUE(ImportedSpec); |
| 3562 | // Check the number of partial specializations. |
| 3563 | EXPECT_EQ(1u, DeclCounter<ClassTemplatePartialSpecializationDecl>().match( |
| 3564 | ToTU, classTemplatePartialSpecializationDecl())); |
| 3565 | // Check the number of full specializations. |
| 3566 | EXPECT_EQ(1u, DeclCounter<ClassTemplateSpecializationDecl>().match( |
| 3567 | ToTU, classTemplateSpecializationDecl( |
| 3568 | unless(classTemplatePartialSpecializationDecl())))); |
| 3569 | } |
| 3570 | |
Gabor Marton | 0b57ccb | 2019-02-07 16:52:48 +0000 | [diff] [blame] | 3571 | TEST_P(ASTImporterOptionSpecificTestBase, |
| 3572 | InitListExprValueKindShouldBeImported) { |
Gabor Marton | a20ce60 | 2018-09-03 13:10:53 +0000 | [diff] [blame] | 3573 | Decl *TU = getTuDecl( |
| 3574 | R"( |
| 3575 | const int &init(); |
| 3576 | void foo() { const int &a{init()}; } |
| 3577 | )", Lang_CXX11, "input0.cc"); |
| 3578 | auto *FromD = FirstDeclMatcher<VarDecl>().match(TU, varDecl(hasName("a"))); |
| 3579 | ASSERT_TRUE(FromD->getAnyInitializer()); |
| 3580 | auto *InitExpr = FromD->getAnyInitializer(); |
| 3581 | ASSERT_TRUE(InitExpr); |
| 3582 | ASSERT_TRUE(InitExpr->isGLValue()); |
| 3583 | |
| 3584 | auto *ToD = Import(FromD, Lang_CXX11); |
| 3585 | EXPECT_TRUE(ToD); |
| 3586 | auto *ToInitExpr = cast<VarDecl>(ToD)->getAnyInitializer(); |
| 3587 | EXPECT_TRUE(ToInitExpr); |
| 3588 | EXPECT_TRUE(ToInitExpr->isGLValue()); |
| 3589 | } |
| 3590 | |
Gabor Marton | 0b57ccb | 2019-02-07 16:52:48 +0000 | [diff] [blame] | 3591 | struct ImportVariables : ASTImporterOptionSpecificTestBase {}; |
Gabor Marton | ac3a5d6 | 2018-09-17 12:04:52 +0000 | [diff] [blame] | 3592 | |
| 3593 | TEST_P(ImportVariables, ImportOfOneDeclBringsInTheWholeChain) { |
| 3594 | Decl *FromTU = getTuDecl( |
| 3595 | R"( |
| 3596 | struct A { |
| 3597 | static const int a = 1 + 2; |
| 3598 | }; |
| 3599 | const int A::a; |
| 3600 | )", Lang_CXX, "input1.cc"); |
| 3601 | |
| 3602 | auto *FromDWithInit = FirstDeclMatcher<VarDecl>().match( |
| 3603 | FromTU, varDecl(hasName("a"))); // Decl with init |
| 3604 | auto *FromDWithDef = LastDeclMatcher<VarDecl>().match( |
| 3605 | FromTU, varDecl(hasName("a"))); // Decl with definition |
| 3606 | ASSERT_NE(FromDWithInit, FromDWithDef); |
| 3607 | ASSERT_EQ(FromDWithDef->getPreviousDecl(), FromDWithInit); |
| 3608 | |
| 3609 | auto *ToD0 = cast<VarDecl>(Import(FromDWithInit, Lang_CXX11)); |
| 3610 | auto *ToD1 = cast<VarDecl>(Import(FromDWithDef, Lang_CXX11)); |
| 3611 | ASSERT_TRUE(ToD0); |
| 3612 | ASSERT_TRUE(ToD1); |
| 3613 | EXPECT_NE(ToD0, ToD1); |
| 3614 | EXPECT_EQ(ToD1->getPreviousDecl(), ToD0); |
| 3615 | } |
| 3616 | |
| 3617 | TEST_P(ImportVariables, InitAndDefinitionAreInDifferentTUs) { |
| 3618 | auto StructA = |
| 3619 | R"( |
| 3620 | struct A { |
| 3621 | static const int a = 1 + 2; |
| 3622 | }; |
| 3623 | )"; |
| 3624 | Decl *ToTU = getToTuDecl(StructA, Lang_CXX); |
| 3625 | Decl *FromTU = getTuDecl(std::string(StructA) + "const int A::a;", Lang_CXX, |
| 3626 | "input1.cc"); |
| 3627 | |
| 3628 | auto *FromDWithInit = FirstDeclMatcher<VarDecl>().match( |
| 3629 | FromTU, varDecl(hasName("a"))); // Decl with init |
| 3630 | auto *FromDWithDef = LastDeclMatcher<VarDecl>().match( |
| 3631 | FromTU, varDecl(hasName("a"))); // Decl with definition |
| 3632 | ASSERT_EQ(FromDWithInit, FromDWithDef->getPreviousDecl()); |
| 3633 | ASSERT_TRUE(FromDWithInit->getInit()); |
| 3634 | ASSERT_FALSE(FromDWithInit->isThisDeclarationADefinition()); |
| 3635 | ASSERT_TRUE(FromDWithDef->isThisDeclarationADefinition()); |
| 3636 | ASSERT_FALSE(FromDWithDef->getInit()); |
| 3637 | |
| 3638 | auto *ToD = FirstDeclMatcher<VarDecl>().match( |
| 3639 | ToTU, varDecl(hasName("a"))); // Decl with init |
| 3640 | ASSERT_TRUE(ToD->getInit()); |
| 3641 | ASSERT_FALSE(ToD->getDefinition()); |
| 3642 | |
| 3643 | auto *ImportedD = cast<VarDecl>(Import(FromDWithDef, Lang_CXX11)); |
| 3644 | EXPECT_TRUE(ImportedD->getAnyInitializer()); |
| 3645 | EXPECT_TRUE(ImportedD->getDefinition()); |
| 3646 | } |
| 3647 | |
| 3648 | TEST_P(ImportVariables, InitAndDefinitionAreInTheFromContext) { |
| 3649 | auto StructA = |
| 3650 | R"( |
| 3651 | struct A { |
| 3652 | static const int a; |
| 3653 | }; |
| 3654 | )"; |
| 3655 | Decl *ToTU = getToTuDecl(StructA, Lang_CXX); |
| 3656 | Decl *FromTU = getTuDecl(std::string(StructA) + "const int A::a = 1 + 2;", |
| 3657 | Lang_CXX, "input1.cc"); |
| 3658 | |
| 3659 | auto *FromDDeclarationOnly = FirstDeclMatcher<VarDecl>().match( |
| 3660 | FromTU, varDecl(hasName("a"))); |
| 3661 | auto *FromDWithDef = LastDeclMatcher<VarDecl>().match( |
| 3662 | FromTU, varDecl(hasName("a"))); // Decl with definition and with init. |
| 3663 | ASSERT_EQ(FromDDeclarationOnly, FromDWithDef->getPreviousDecl()); |
| 3664 | ASSERT_FALSE(FromDDeclarationOnly->getInit()); |
| 3665 | ASSERT_FALSE(FromDDeclarationOnly->isThisDeclarationADefinition()); |
| 3666 | ASSERT_TRUE(FromDWithDef->isThisDeclarationADefinition()); |
| 3667 | ASSERT_TRUE(FromDWithDef->getInit()); |
| 3668 | |
| 3669 | auto *ToD = FirstDeclMatcher<VarDecl>().match( |
| 3670 | ToTU, varDecl(hasName("a"))); |
| 3671 | ASSERT_FALSE(ToD->getInit()); |
| 3672 | ASSERT_FALSE(ToD->getDefinition()); |
| 3673 | |
| 3674 | auto *ImportedD = cast<VarDecl>(Import(FromDWithDef, Lang_CXX11)); |
| 3675 | EXPECT_TRUE(ImportedD->getAnyInitializer()); |
| 3676 | EXPECT_TRUE(ImportedD->getDefinition()); |
| 3677 | } |
| 3678 | |
Gabor Marton | 0b57ccb | 2019-02-07 16:52:48 +0000 | [diff] [blame] | 3679 | struct ImportClasses : ASTImporterOptionSpecificTestBase {}; |
Gabor Marton | 7df342a | 2018-12-17 12:42:12 +0000 | [diff] [blame] | 3680 | |
Gabor Marton | 54058b5 | 2018-12-17 13:53:12 +0000 | [diff] [blame] | 3681 | TEST_P(ImportClasses, ImportDefinitionWhenProtoIsInNestedToContext) { |
| 3682 | Decl *ToTU = getToTuDecl("struct A { struct X *Xp; };", Lang_C); |
| 3683 | Decl *FromTU1 = getTuDecl("struct X {};", Lang_C, "input1.cc"); |
| 3684 | auto Pattern = recordDecl(hasName("X"), unless(isImplicit())); |
| 3685 | auto ToProto = FirstDeclMatcher<RecordDecl>().match(ToTU, Pattern); |
| 3686 | auto FromDef = FirstDeclMatcher<RecordDecl>().match(FromTU1, Pattern); |
| 3687 | |
| 3688 | Decl *ImportedDef = Import(FromDef, Lang_C); |
| 3689 | |
| 3690 | EXPECT_NE(ImportedDef, ToProto); |
| 3691 | EXPECT_EQ(DeclCounter<RecordDecl>().match(ToTU, Pattern), 2u); |
| 3692 | auto ToDef = LastDeclMatcher<RecordDecl>().match(ToTU, Pattern); |
| 3693 | EXPECT_TRUE(ImportedDef == ToDef); |
| 3694 | EXPECT_TRUE(ToDef->isThisDeclarationADefinition()); |
| 3695 | EXPECT_FALSE(ToProto->isThisDeclarationADefinition()); |
| 3696 | EXPECT_EQ(ToDef->getPreviousDecl(), ToProto); |
| 3697 | } |
| 3698 | |
| 3699 | TEST_P(ImportClasses, ImportDefinitionWhenProtoIsInNestedToContextCXX) { |
| 3700 | Decl *ToTU = getToTuDecl("struct A { struct X *Xp; };", Lang_CXX); |
| 3701 | Decl *FromTU1 = getTuDecl("struct X {};", Lang_CXX, "input1.cc"); |
| 3702 | auto Pattern = recordDecl(hasName("X"), unless(isImplicit())); |
| 3703 | auto ToProto = FirstDeclMatcher<RecordDecl>().match(ToTU, Pattern); |
| 3704 | auto FromDef = FirstDeclMatcher<RecordDecl>().match(FromTU1, Pattern); |
| 3705 | |
| 3706 | Decl *ImportedDef = Import(FromDef, Lang_CXX); |
| 3707 | |
| 3708 | EXPECT_NE(ImportedDef, ToProto); |
| 3709 | EXPECT_EQ(DeclCounter<RecordDecl>().match(ToTU, Pattern), 2u); |
| 3710 | auto ToDef = LastDeclMatcher<RecordDecl>().match(ToTU, Pattern); |
| 3711 | EXPECT_TRUE(ImportedDef == ToDef); |
| 3712 | EXPECT_TRUE(ToDef->isThisDeclarationADefinition()); |
| 3713 | EXPECT_FALSE(ToProto->isThisDeclarationADefinition()); |
| 3714 | EXPECT_EQ(ToDef->getPreviousDecl(), ToProto); |
| 3715 | } |
| 3716 | |
| 3717 | TEST_P(ImportClasses, ImportNestedPrototypeThenDefinition) { |
| 3718 | Decl *FromTU0 = getTuDecl("struct A { struct X *Xp; };", Lang_C, "input0.cc"); |
| 3719 | Decl *FromTU1 = getTuDecl("struct X {};", Lang_C, "input1.cc"); |
| 3720 | auto Pattern = recordDecl(hasName("X"), unless(isImplicit())); |
| 3721 | auto FromProto = FirstDeclMatcher<RecordDecl>().match(FromTU0, Pattern); |
| 3722 | auto FromDef = FirstDeclMatcher<RecordDecl>().match(FromTU1, Pattern); |
| 3723 | |
| 3724 | Decl *ImportedProto = Import(FromProto, Lang_C); |
| 3725 | Decl *ImportedDef = Import(FromDef, Lang_C); |
| 3726 | Decl *ToTU = ImportedDef->getTranslationUnitDecl(); |
| 3727 | |
| 3728 | EXPECT_NE(ImportedDef, ImportedProto); |
| 3729 | EXPECT_EQ(DeclCounter<RecordDecl>().match(ToTU, Pattern), 2u); |
| 3730 | auto ToProto = FirstDeclMatcher<RecordDecl>().match(ToTU, Pattern); |
| 3731 | auto ToDef = LastDeclMatcher<RecordDecl>().match(ToTU, Pattern); |
| 3732 | EXPECT_TRUE(ImportedDef == ToDef); |
| 3733 | EXPECT_TRUE(ImportedProto == ToProto); |
| 3734 | EXPECT_TRUE(ToDef->isThisDeclarationADefinition()); |
| 3735 | EXPECT_FALSE(ToProto->isThisDeclarationADefinition()); |
| 3736 | EXPECT_EQ(ToDef->getPreviousDecl(), ToProto); |
| 3737 | } |
| 3738 | |
Gabor Marton | 7df342a | 2018-12-17 12:42:12 +0000 | [diff] [blame] | 3739 | |
Gabor Marton | 0b57ccb | 2019-02-07 16:52:48 +0000 | [diff] [blame] | 3740 | struct ImportFriendClasses : ASTImporterOptionSpecificTestBase {}; |
Gabor Marton | 7df342a | 2018-12-17 12:42:12 +0000 | [diff] [blame] | 3741 | |
| 3742 | TEST_P(ImportFriendClasses, ImportOfFriendRecordDoesNotMergeDefinition) { |
| 3743 | Decl *FromTU = getTuDecl( |
| 3744 | R"( |
| 3745 | class A { |
| 3746 | template <int I> class F {}; |
| 3747 | class X { |
| 3748 | template <int I> friend class F; |
| 3749 | }; |
| 3750 | }; |
| 3751 | )", |
| 3752 | Lang_CXX, "input0.cc"); |
| 3753 | |
| 3754 | auto *FromClass = FirstDeclMatcher<CXXRecordDecl>().match( |
| 3755 | FromTU, cxxRecordDecl(hasName("F"), isDefinition())); |
| 3756 | auto *FromFriendClass = LastDeclMatcher<CXXRecordDecl>().match( |
| 3757 | FromTU, cxxRecordDecl(hasName("F"))); |
| 3758 | |
| 3759 | ASSERT_TRUE(FromClass); |
| 3760 | ASSERT_TRUE(FromFriendClass); |
| 3761 | ASSERT_NE(FromClass, FromFriendClass); |
| 3762 | ASSERT_EQ(FromFriendClass->getDefinition(), FromClass); |
| 3763 | ASSERT_EQ(FromFriendClass->getPreviousDecl(), FromClass); |
| 3764 | ASSERT_EQ(FromFriendClass->getDescribedClassTemplate()->getPreviousDecl(), |
| 3765 | FromClass->getDescribedClassTemplate()); |
| 3766 | |
| 3767 | auto *ToClass = cast<CXXRecordDecl>(Import(FromClass, Lang_CXX)); |
| 3768 | auto *ToFriendClass = cast<CXXRecordDecl>(Import(FromFriendClass, Lang_CXX)); |
| 3769 | |
| 3770 | EXPECT_TRUE(ToClass); |
| 3771 | EXPECT_TRUE(ToFriendClass); |
| 3772 | EXPECT_NE(ToClass, ToFriendClass); |
| 3773 | EXPECT_EQ(ToFriendClass->getDefinition(), ToClass); |
| 3774 | EXPECT_EQ(ToFriendClass->getPreviousDecl(), ToClass); |
| 3775 | EXPECT_EQ(ToFriendClass->getDescribedClassTemplate()->getPreviousDecl(), |
| 3776 | ToClass->getDescribedClassTemplate()); |
| 3777 | } |
| 3778 | |
| 3779 | TEST_P(ImportFriendClasses, ImportOfRecursiveFriendClass) { |
| 3780 | Decl *FromTu = getTuDecl( |
| 3781 | R"( |
| 3782 | class declToImport { |
| 3783 | friend class declToImport; |
| 3784 | }; |
| 3785 | )", |
| 3786 | Lang_CXX, "input.cc"); |
| 3787 | |
| 3788 | auto *FromD = FirstDeclMatcher<CXXRecordDecl>().match( |
| 3789 | FromTu, cxxRecordDecl(hasName("declToImport"))); |
| 3790 | auto *ToD = Import(FromD, Lang_CXX); |
| 3791 | auto Pattern = cxxRecordDecl(has(friendDecl())); |
| 3792 | ASSERT_TRUE(MatchVerifier<Decl>{}.match(FromD, Pattern)); |
| 3793 | EXPECT_TRUE(MatchVerifier<Decl>{}.match(ToD, Pattern)); |
| 3794 | } |
| 3795 | |
Gabor Marton | bc5b7e2 | 2019-12-04 17:12:08 +0100 | [diff] [blame] | 3796 | TEST_P(ImportFriendClasses, UndeclaredFriendClassShouldNotBeVisible) { |
| 3797 | Decl *FromTu = getTuDecl("class X { friend class Y; };", Lang_CXX, "from.cc"); |
| 3798 | auto *FromX = FirstDeclMatcher<CXXRecordDecl>().match( |
| 3799 | FromTu, cxxRecordDecl(hasName("X"))); |
| 3800 | auto *FromFriend = FirstDeclMatcher<FriendDecl>().match(FromTu, friendDecl()); |
| 3801 | RecordDecl *FromRecordOfFriend = |
| 3802 | const_cast<RecordDecl *>(getRecordDeclOfFriend(FromFriend)); |
| 3803 | |
| 3804 | ASSERT_EQ(FromRecordOfFriend->getDeclContext(), cast<DeclContext>(FromTu)); |
| 3805 | ASSERT_EQ(FromRecordOfFriend->getLexicalDeclContext(), |
| 3806 | cast<DeclContext>(FromX)); |
| 3807 | ASSERT_FALSE( |
| 3808 | FromRecordOfFriend->getDeclContext()->containsDecl(FromRecordOfFriend)); |
| 3809 | ASSERT_FALSE(FromRecordOfFriend->getLexicalDeclContext()->containsDecl( |
| 3810 | FromRecordOfFriend)); |
| 3811 | ASSERT_FALSE(FromRecordOfFriend->getLookupParent() |
| 3812 | ->lookup(FromRecordOfFriend->getDeclName()) |
| 3813 | .empty()); |
| 3814 | |
| 3815 | auto *ToX = Import(FromX, Lang_CXX); |
| 3816 | ASSERT_TRUE(ToX); |
| 3817 | |
| 3818 | Decl *ToTu = ToX->getTranslationUnitDecl(); |
| 3819 | auto *ToFriend = FirstDeclMatcher<FriendDecl>().match(ToTu, friendDecl()); |
| 3820 | RecordDecl *ToRecordOfFriend = |
| 3821 | const_cast<RecordDecl *>(getRecordDeclOfFriend(ToFriend)); |
| 3822 | |
| 3823 | ASSERT_EQ(ToRecordOfFriend->getDeclContext(), cast<DeclContext>(ToTu)); |
| 3824 | ASSERT_EQ(ToRecordOfFriend->getLexicalDeclContext(), cast<DeclContext>(ToX)); |
| 3825 | EXPECT_FALSE( |
| 3826 | ToRecordOfFriend->getDeclContext()->containsDecl(ToRecordOfFriend)); |
| 3827 | EXPECT_FALSE(ToRecordOfFriend->getLexicalDeclContext()->containsDecl( |
| 3828 | ToRecordOfFriend)); |
| 3829 | EXPECT_FALSE(ToRecordOfFriend->getLookupParent() |
| 3830 | ->lookup(ToRecordOfFriend->getDeclName()) |
| 3831 | .empty()); |
| 3832 | } |
| 3833 | |
Gabor Marton | 7df342a | 2018-12-17 12:42:12 +0000 | [diff] [blame] | 3834 | TEST_P(ImportFriendClasses, ImportOfRecursiveFriendClassTemplate) { |
| 3835 | Decl *FromTu = getTuDecl( |
| 3836 | R"( |
| 3837 | template<class A> class declToImport { |
| 3838 | template<class A1> friend class declToImport; |
| 3839 | }; |
| 3840 | )", |
| 3841 | Lang_CXX, "input.cc"); |
| 3842 | |
| 3843 | auto *FromD = |
| 3844 | FirstDeclMatcher<ClassTemplateDecl>().match(FromTu, classTemplateDecl()); |
| 3845 | auto *ToD = Import(FromD, Lang_CXX); |
| 3846 | |
| 3847 | auto Pattern = classTemplateDecl( |
| 3848 | has(cxxRecordDecl(has(friendDecl(has(classTemplateDecl())))))); |
| 3849 | ASSERT_TRUE(MatchVerifier<Decl>{}.match(FromD, Pattern)); |
| 3850 | EXPECT_TRUE(MatchVerifier<Decl>{}.match(ToD, Pattern)); |
| 3851 | |
| 3852 | auto *Class = |
| 3853 | FirstDeclMatcher<ClassTemplateDecl>().match(ToD, classTemplateDecl()); |
| 3854 | auto *Friend = FirstDeclMatcher<FriendDecl>().match(ToD, friendDecl()); |
| 3855 | EXPECT_NE(Friend->getFriendDecl(), Class); |
| 3856 | EXPECT_EQ(Friend->getFriendDecl()->getPreviousDecl(), Class); |
| 3857 | } |
| 3858 | |
| 3859 | TEST_P(ImportFriendClasses, ProperPrevDeclForClassTemplateDecls) { |
| 3860 | auto Pattern = classTemplateSpecializationDecl(hasName("X")); |
| 3861 | |
| 3862 | ClassTemplateSpecializationDecl *Imported1; |
| 3863 | { |
| 3864 | Decl *FromTU = getTuDecl("template<class T> class X;" |
| 3865 | "struct Y { friend class X<int>; };", |
| 3866 | Lang_CXX, "input0.cc"); |
| 3867 | auto *FromD = FirstDeclMatcher<ClassTemplateSpecializationDecl>().match( |
| 3868 | FromTU, Pattern); |
| 3869 | |
| 3870 | Imported1 = cast<ClassTemplateSpecializationDecl>(Import(FromD, Lang_CXX)); |
| 3871 | } |
| 3872 | ClassTemplateSpecializationDecl *Imported2; |
| 3873 | { |
| 3874 | Decl *FromTU = getTuDecl("template<class T> class X;" |
| 3875 | "template<> class X<int>{};" |
| 3876 | "struct Z { friend class X<int>; };", |
| 3877 | Lang_CXX, "input1.cc"); |
| 3878 | auto *FromD = FirstDeclMatcher<ClassTemplateSpecializationDecl>().match( |
| 3879 | FromTU, Pattern); |
| 3880 | |
| 3881 | Imported2 = cast<ClassTemplateSpecializationDecl>(Import(FromD, Lang_CXX)); |
| 3882 | } |
| 3883 | |
| 3884 | Decl *ToTU = ToAST->getASTContext().getTranslationUnitDecl(); |
| 3885 | EXPECT_EQ(DeclCounter<ClassTemplateSpecializationDecl>().match(ToTU, Pattern), |
| 3886 | 2u); |
| 3887 | ASSERT_TRUE(Imported2->getPreviousDecl()); |
| 3888 | EXPECT_EQ(Imported2->getPreviousDecl(), Imported1); |
| 3889 | } |
| 3890 | |
| 3891 | TEST_P(ImportFriendClasses, TypeForDeclShouldBeSetInTemplated) { |
| 3892 | Decl *FromTU0 = getTuDecl( |
| 3893 | R"( |
| 3894 | class X { |
| 3895 | class Y; |
| 3896 | }; |
| 3897 | class X::Y { |
| 3898 | template <typename T> |
| 3899 | friend class F; // The decl context of F is the global namespace. |
| 3900 | }; |
| 3901 | )", |
| 3902 | Lang_CXX, "input0.cc"); |
| 3903 | auto *Fwd = FirstDeclMatcher<ClassTemplateDecl>().match( |
| 3904 | FromTU0, classTemplateDecl(hasName("F"))); |
| 3905 | auto *Imported0 = cast<ClassTemplateDecl>(Import(Fwd, Lang_CXX)); |
| 3906 | Decl *FromTU1 = getTuDecl( |
| 3907 | R"( |
| 3908 | template <typename T> |
| 3909 | class F {}; |
| 3910 | )", |
| 3911 | Lang_CXX, "input1.cc"); |
| 3912 | auto *Definition = FirstDeclMatcher<ClassTemplateDecl>().match( |
| 3913 | FromTU1, classTemplateDecl(hasName("F"))); |
| 3914 | auto *Imported1 = cast<ClassTemplateDecl>(Import(Definition, Lang_CXX)); |
| 3915 | EXPECT_EQ(Imported0->getTemplatedDecl()->getTypeForDecl(), |
| 3916 | Imported1->getTemplatedDecl()->getTypeForDecl()); |
| 3917 | } |
| 3918 | |
| 3919 | TEST_P(ImportFriendClasses, DeclsFromFriendsShouldBeInRedeclChains) { |
| 3920 | Decl *From, *To; |
| 3921 | std::tie(From, To) = |
| 3922 | getImportedDecl("class declToImport {};", Lang_CXX, |
| 3923 | "class Y { friend class declToImport; };", Lang_CXX); |
| 3924 | auto *Imported = cast<CXXRecordDecl>(To); |
| 3925 | |
| 3926 | EXPECT_TRUE(Imported->getPreviousDecl()); |
| 3927 | } |
| 3928 | |
| 3929 | TEST_P(ImportFriendClasses, |
| 3930 | ImportOfClassTemplateDefinitionShouldConnectToFwdFriend) { |
| 3931 | Decl *ToTU = getToTuDecl( |
| 3932 | R"( |
| 3933 | class X { |
| 3934 | class Y; |
| 3935 | }; |
| 3936 | class X::Y { |
| 3937 | template <typename T> |
| 3938 | friend class F; // The decl context of F is the global namespace. |
| 3939 | }; |
| 3940 | )", |
| 3941 | Lang_CXX); |
| 3942 | auto *ToDecl = FirstDeclMatcher<ClassTemplateDecl>().match( |
| 3943 | ToTU, classTemplateDecl(hasName("F"))); |
| 3944 | Decl *FromTU = getTuDecl( |
| 3945 | R"( |
| 3946 | template <typename T> |
| 3947 | class F {}; |
| 3948 | )", |
| 3949 | Lang_CXX, "input0.cc"); |
| 3950 | auto *Definition = FirstDeclMatcher<ClassTemplateDecl>().match( |
| 3951 | FromTU, classTemplateDecl(hasName("F"))); |
| 3952 | auto *ImportedDef = cast<ClassTemplateDecl>(Import(Definition, Lang_CXX)); |
| 3953 | EXPECT_TRUE(ImportedDef->getPreviousDecl()); |
| 3954 | EXPECT_EQ(ToDecl, ImportedDef->getPreviousDecl()); |
| 3955 | EXPECT_EQ(ToDecl->getTemplatedDecl(), |
| 3956 | ImportedDef->getTemplatedDecl()->getPreviousDecl()); |
| 3957 | } |
| 3958 | |
| 3959 | TEST_P(ImportFriendClasses, |
| 3960 | ImportOfClassTemplateDefinitionAndFwdFriendShouldBeLinked) { |
| 3961 | Decl *FromTU0 = getTuDecl( |
| 3962 | R"( |
| 3963 | class X { |
| 3964 | class Y; |
| 3965 | }; |
| 3966 | class X::Y { |
| 3967 | template <typename T> |
| 3968 | friend class F; // The decl context of F is the global namespace. |
| 3969 | }; |
| 3970 | )", |
| 3971 | Lang_CXX, "input0.cc"); |
| 3972 | auto *Fwd = FirstDeclMatcher<ClassTemplateDecl>().match( |
| 3973 | FromTU0, classTemplateDecl(hasName("F"))); |
| 3974 | auto *ImportedFwd = cast<ClassTemplateDecl>(Import(Fwd, Lang_CXX)); |
| 3975 | Decl *FromTU1 = getTuDecl( |
| 3976 | R"( |
| 3977 | template <typename T> |
| 3978 | class F {}; |
| 3979 | )", |
| 3980 | Lang_CXX, "input1.cc"); |
| 3981 | auto *Definition = FirstDeclMatcher<ClassTemplateDecl>().match( |
| 3982 | FromTU1, classTemplateDecl(hasName("F"))); |
| 3983 | auto *ImportedDef = cast<ClassTemplateDecl>(Import(Definition, Lang_CXX)); |
| 3984 | EXPECT_TRUE(ImportedDef->getPreviousDecl()); |
| 3985 | EXPECT_EQ(ImportedFwd, ImportedDef->getPreviousDecl()); |
| 3986 | EXPECT_EQ(ImportedFwd->getTemplatedDecl(), |
| 3987 | ImportedDef->getTemplatedDecl()->getPreviousDecl()); |
| 3988 | } |
| 3989 | |
| 3990 | TEST_P(ImportFriendClasses, ImportOfClassDefinitionAndFwdFriendShouldBeLinked) { |
| 3991 | Decl *FromTU0 = getTuDecl( |
| 3992 | R"( |
| 3993 | class X { |
| 3994 | class Y; |
| 3995 | }; |
| 3996 | class X::Y { |
| 3997 | friend class F; // The decl context of F is the global namespace. |
| 3998 | }; |
| 3999 | )", |
| 4000 | Lang_CXX, "input0.cc"); |
| 4001 | auto *Friend = FirstDeclMatcher<FriendDecl>().match(FromTU0, friendDecl()); |
| 4002 | QualType FT = Friend->getFriendType()->getType(); |
| 4003 | FT = FromTU0->getASTContext().getCanonicalType(FT); |
| 4004 | auto *Fwd = cast<TagType>(FT)->getDecl(); |
| 4005 | auto *ImportedFwd = Import(Fwd, Lang_CXX); |
| 4006 | Decl *FromTU1 = getTuDecl( |
| 4007 | R"( |
| 4008 | class F {}; |
| 4009 | )", |
| 4010 | Lang_CXX, "input1.cc"); |
| 4011 | auto *Definition = FirstDeclMatcher<CXXRecordDecl>().match( |
| 4012 | FromTU1, cxxRecordDecl(hasName("F"))); |
| 4013 | auto *ImportedDef = Import(Definition, Lang_CXX); |
| 4014 | EXPECT_TRUE(ImportedDef->getPreviousDecl()); |
| 4015 | EXPECT_EQ(ImportedFwd, ImportedDef->getPreviousDecl()); |
| 4016 | } |
| 4017 | |
Gabor Marton | 0b57ccb | 2019-02-07 16:52:48 +0000 | [diff] [blame] | 4018 | TEST_P(ASTImporterOptionSpecificTestBase, FriendFunInClassTemplate) { |
Gabor Marton | 54058b5 | 2018-12-17 13:53:12 +0000 | [diff] [blame] | 4019 | auto *Code = R"( |
| 4020 | template <class T> |
| 4021 | struct X { |
| 4022 | friend void foo(){} |
| 4023 | }; |
| 4024 | )"; |
| 4025 | TranslationUnitDecl *ToTU = getToTuDecl(Code, Lang_CXX); |
| 4026 | auto *ToFoo = FirstDeclMatcher<FunctionDecl>().match( |
| 4027 | ToTU, functionDecl(hasName("foo"))); |
| 4028 | |
| 4029 | TranslationUnitDecl *FromTU = getTuDecl(Code, Lang_CXX, "input.cc"); |
| 4030 | auto *FromFoo = FirstDeclMatcher<FunctionDecl>().match( |
| 4031 | FromTU, functionDecl(hasName("foo"))); |
| 4032 | auto *ImportedFoo = Import(FromFoo, Lang_CXX); |
| 4033 | EXPECT_EQ(ImportedFoo, ToFoo); |
| 4034 | } |
| 4035 | |
Gabor Marton | 0b57ccb | 2019-02-07 16:52:48 +0000 | [diff] [blame] | 4036 | struct DeclContextTest : ASTImporterOptionSpecificTestBase {}; |
Gabor Marton | 61d862a | 2018-05-18 09:08:47 +0000 | [diff] [blame] | 4037 | |
| 4038 | TEST_P(DeclContextTest, removeDeclOfClassTemplateSpecialization) { |
| 4039 | Decl *TU = getTuDecl( |
| 4040 | R"( |
| 4041 | namespace NS { |
| 4042 | |
| 4043 | template <typename T> |
| 4044 | struct S {}; |
| 4045 | template struct S<int>; |
| 4046 | |
| 4047 | inline namespace INS { |
| 4048 | template <typename T> |
| 4049 | struct S {}; |
| 4050 | template struct S<int>; |
| 4051 | } |
| 4052 | |
| 4053 | } |
| 4054 | )", Lang_CXX11, "input0.cc"); |
| 4055 | auto *NS = FirstDeclMatcher<NamespaceDecl>().match( |
| 4056 | TU, namespaceDecl()); |
| 4057 | auto *Spec = FirstDeclMatcher<ClassTemplateSpecializationDecl>().match( |
| 4058 | TU, classTemplateSpecializationDecl()); |
| 4059 | ASSERT_TRUE(NS->containsDecl(Spec)); |
| 4060 | |
| 4061 | NS->removeDecl(Spec); |
| 4062 | EXPECT_FALSE(NS->containsDecl(Spec)); |
| 4063 | } |
| 4064 | |
Gabor Marton | 7df342a | 2018-12-17 12:42:12 +0000 | [diff] [blame] | 4065 | TEST_P(DeclContextTest, |
| 4066 | removeDeclShouldNotFailEvenIfWeHaveExternalVisibleStorage) { |
| 4067 | Decl *TU = getTuDecl("extern int A; int A;", Lang_CXX); |
| 4068 | auto *A0 = FirstDeclMatcher<VarDecl>().match(TU, varDecl(hasName("A"))); |
| 4069 | auto *A1 = LastDeclMatcher<VarDecl>().match(TU, varDecl(hasName("A"))); |
| 4070 | |
| 4071 | // Investigate the list. |
| 4072 | auto *DC = A0->getDeclContext(); |
| 4073 | ASSERT_TRUE(DC->containsDecl(A0)); |
| 4074 | ASSERT_TRUE(DC->containsDecl(A1)); |
| 4075 | |
| 4076 | // Investigate the lookup table. |
| 4077 | auto *Map = DC->getLookupPtr(); |
| 4078 | ASSERT_TRUE(Map); |
| 4079 | auto I = Map->find(A0->getDeclName()); |
| 4080 | ASSERT_NE(I, Map->end()); |
| 4081 | StoredDeclsList &L = I->second; |
| 4082 | // The lookup table contains the most recent decl of A. |
| 4083 | ASSERT_NE(L.getAsDecl(), A0); |
| 4084 | ASSERT_EQ(L.getAsDecl(), A1); |
| 4085 | |
| 4086 | ASSERT_TRUE(L.getAsDecl()); |
| 4087 | // Simulate the private function DeclContext::reconcileExternalVisibleStorage. |
| 4088 | // The point here is to have a Vec with only one element, which is not the |
| 4089 | // one we are going to delete from the DC later. |
| 4090 | L.setHasExternalDecls(); |
| 4091 | ASSERT_TRUE(L.getAsVector()); |
| 4092 | ASSERT_EQ(1u, L.getAsVector()->size()); |
| 4093 | |
| 4094 | // This asserts in the old implementation. |
| 4095 | DC->removeDecl(A0); |
| 4096 | EXPECT_FALSE(DC->containsDecl(A0)); |
| 4097 | } |
| 4098 | |
Gabor Marton | 0b57ccb | 2019-02-07 16:52:48 +0000 | [diff] [blame] | 4099 | struct ImportFunctionTemplateSpecializations |
| 4100 | : ASTImporterOptionSpecificTestBase {}; |
Gabor Marton | 5254e64 | 2018-06-27 13:32:50 +0000 | [diff] [blame] | 4101 | |
| 4102 | TEST_P(ImportFunctionTemplateSpecializations, |
| 4103 | TUshouldNotContainFunctionTemplateImplicitInstantiation) { |
| 4104 | |
| 4105 | Decl *FromTU = getTuDecl( |
| 4106 | R"( |
| 4107 | template<class T> |
| 4108 | int f() { return 0; } |
| 4109 | void foo() { f<int>(); } |
| 4110 | )", |
| 4111 | Lang_CXX, "input0.cc"); |
| 4112 | |
| 4113 | // Check that the function template instantiation is NOT the child of the TU. |
| 4114 | auto Pattern = translationUnitDecl( |
| 4115 | unless(has(functionDecl(hasName("f"), isTemplateInstantiation())))); |
| 4116 | ASSERT_TRUE(MatchVerifier<Decl>{}.match(FromTU, Pattern)); |
| 4117 | |
| 4118 | auto *Foo = FirstDeclMatcher<FunctionDecl>().match( |
| 4119 | FromTU, functionDecl(hasName("foo"))); |
| 4120 | ASSERT_TRUE(Import(Foo, Lang_CXX)); |
| 4121 | |
| 4122 | auto *ToTU = ToAST->getASTContext().getTranslationUnitDecl(); |
| 4123 | EXPECT_TRUE(MatchVerifier<Decl>{}.match(ToTU, Pattern)); |
| 4124 | } |
| 4125 | |
| 4126 | TEST_P(ImportFunctionTemplateSpecializations, |
| 4127 | TUshouldNotContainFunctionTemplateExplicitInstantiation) { |
| 4128 | |
| 4129 | Decl *FromTU = getTuDecl( |
| 4130 | R"( |
| 4131 | template<class T> |
| 4132 | int f() { return 0; } |
| 4133 | template int f<int>(); |
| 4134 | )", |
| 4135 | Lang_CXX, "input0.cc"); |
| 4136 | |
| 4137 | // Check that the function template instantiation is NOT the child of the TU. |
| 4138 | auto Instantiation = functionDecl(hasName("f"), isTemplateInstantiation()); |
| 4139 | auto Pattern = translationUnitDecl(unless(has(Instantiation))); |
| 4140 | ASSERT_TRUE(MatchVerifier<Decl>{}.match(FromTU, Pattern)); |
| 4141 | |
| 4142 | ASSERT_TRUE( |
| 4143 | Import(FirstDeclMatcher<Decl>().match(FromTU, Instantiation), Lang_CXX)); |
| 4144 | |
| 4145 | auto *ToTU = ToAST->getASTContext().getTranslationUnitDecl(); |
| 4146 | EXPECT_TRUE(MatchVerifier<Decl>{}.match(ToTU, Pattern)); |
| 4147 | } |
| 4148 | |
| 4149 | TEST_P(ImportFunctionTemplateSpecializations, |
| 4150 | TUshouldContainFunctionTemplateSpecialization) { |
| 4151 | |
| 4152 | Decl *FromTU = getTuDecl( |
| 4153 | R"( |
| 4154 | template<class T> |
| 4155 | int f() { return 0; } |
| 4156 | template <> int f<int>() { return 4; } |
| 4157 | )", |
| 4158 | Lang_CXX, "input0.cc"); |
| 4159 | |
| 4160 | // Check that the function template specialization is the child of the TU. |
| 4161 | auto Specialization = |
| 4162 | functionDecl(hasName("f"), isExplicitTemplateSpecialization()); |
| 4163 | auto Pattern = translationUnitDecl(has(Specialization)); |
| 4164 | ASSERT_TRUE(MatchVerifier<Decl>{}.match(FromTU, Pattern)); |
| 4165 | |
| 4166 | ASSERT_TRUE( |
| 4167 | Import(FirstDeclMatcher<Decl>().match(FromTU, Specialization), Lang_CXX)); |
| 4168 | |
| 4169 | auto *ToTU = ToAST->getASTContext().getTranslationUnitDecl(); |
| 4170 | EXPECT_TRUE(MatchVerifier<Decl>{}.match(ToTU, Pattern)); |
| 4171 | } |
| 4172 | |
| 4173 | TEST_P(ImportFunctionTemplateSpecializations, |
| 4174 | FunctionTemplateSpecializationRedeclChain) { |
| 4175 | |
| 4176 | Decl *FromTU = getTuDecl( |
| 4177 | R"( |
| 4178 | template<class T> |
| 4179 | int f() { return 0; } |
| 4180 | template <> int f<int>() { return 4; } |
| 4181 | )", |
| 4182 | Lang_CXX, "input0.cc"); |
| 4183 | |
| 4184 | auto Spec = functionDecl(hasName("f"), isExplicitTemplateSpecialization(), |
| 4185 | hasParent(translationUnitDecl())); |
| 4186 | auto *FromSpecD = FirstDeclMatcher<Decl>().match(FromTU, Spec); |
| 4187 | { |
| 4188 | auto *TU = FromTU; |
| 4189 | auto *SpecD = FromSpecD; |
| 4190 | auto *TemplateD = FirstDeclMatcher<FunctionTemplateDecl>().match( |
| 4191 | TU, functionTemplateDecl()); |
| 4192 | auto *FirstSpecD = *(TemplateD->spec_begin()); |
| 4193 | ASSERT_EQ(SpecD, FirstSpecD); |
| 4194 | ASSERT_TRUE(SpecD->getPreviousDecl()); |
| 4195 | ASSERT_FALSE(cast<FunctionDecl>(SpecD->getPreviousDecl()) |
| 4196 | ->doesThisDeclarationHaveABody()); |
| 4197 | } |
| 4198 | |
| 4199 | ASSERT_TRUE(Import(FromSpecD, Lang_CXX)); |
| 4200 | |
| 4201 | { |
| 4202 | auto *TU = ToAST->getASTContext().getTranslationUnitDecl(); |
| 4203 | auto *SpecD = FirstDeclMatcher<Decl>().match(TU, Spec); |
| 4204 | auto *TemplateD = FirstDeclMatcher<FunctionTemplateDecl>().match( |
| 4205 | TU, functionTemplateDecl()); |
| 4206 | auto *FirstSpecD = *(TemplateD->spec_begin()); |
| 4207 | EXPECT_EQ(SpecD, FirstSpecD); |
| 4208 | ASSERT_TRUE(SpecD->getPreviousDecl()); |
| 4209 | EXPECT_FALSE(cast<FunctionDecl>(SpecD->getPreviousDecl()) |
| 4210 | ->doesThisDeclarationHaveABody()); |
| 4211 | } |
| 4212 | } |
| 4213 | |
| 4214 | TEST_P(ImportFunctionTemplateSpecializations, |
| 4215 | MatchNumberOfFunctionTemplateSpecializations) { |
| 4216 | |
| 4217 | Decl *FromTU = getTuDecl( |
| 4218 | R"( |
| 4219 | template <typename T> constexpr int f() { return 0; } |
| 4220 | template <> constexpr int f<int>() { return 4; } |
| 4221 | void foo() { |
| 4222 | static_assert(f<char>() == 0, ""); |
| 4223 | static_assert(f<int>() == 4, ""); |
| 4224 | } |
| 4225 | )", |
| 4226 | Lang_CXX11, "input0.cc"); |
| 4227 | auto *FromD = FirstDeclMatcher<FunctionDecl>().match( |
| 4228 | FromTU, functionDecl(hasName("foo"))); |
| 4229 | |
| 4230 | Import(FromD, Lang_CXX11); |
| 4231 | auto *ToTU = ToAST->getASTContext().getTranslationUnitDecl(); |
| 4232 | EXPECT_EQ( |
| 4233 | DeclCounter<FunctionDecl>().match(FromTU, functionDecl(hasName("f"))), |
| 4234 | DeclCounter<FunctionDecl>().match(ToTU, functionDecl(hasName("f")))); |
| 4235 | } |
| 4236 | |
Gabor Marton | 0b57ccb | 2019-02-07 16:52:48 +0000 | [diff] [blame] | 4237 | TEST_P(ASTImporterOptionSpecificTestBase, |
Gabor Marton | 17d3967 | 2018-11-26 15:54:08 +0000 | [diff] [blame] | 4238 | ImportShouldNotReportFalseODRErrorWhenRecordIsBeingDefined) { |
| 4239 | { |
| 4240 | Decl *FromTU = getTuDecl( |
| 4241 | R"( |
| 4242 | template <typename T> |
| 4243 | struct B; |
| 4244 | )", |
| 4245 | Lang_CXX, "input0.cc"); |
| 4246 | auto *FromD = FirstDeclMatcher<ClassTemplateDecl>().match( |
| 4247 | FromTU, classTemplateDecl(hasName("B"))); |
| 4248 | |
| 4249 | Import(FromD, Lang_CXX); |
| 4250 | } |
| 4251 | |
| 4252 | { |
| 4253 | Decl *FromTU = getTuDecl( |
| 4254 | R"( |
| 4255 | template <typename T> |
| 4256 | struct B { |
| 4257 | void f(); |
| 4258 | B* b; |
| 4259 | }; |
| 4260 | )", |
| 4261 | Lang_CXX, "input1.cc"); |
| 4262 | FunctionDecl *FromD = FirstDeclMatcher<FunctionDecl>().match( |
| 4263 | FromTU, functionDecl(hasName("f"))); |
| 4264 | Import(FromD, Lang_CXX); |
| 4265 | auto *FromCTD = FirstDeclMatcher<ClassTemplateDecl>().match( |
| 4266 | FromTU, classTemplateDecl(hasName("B"))); |
| 4267 | auto *ToCTD = cast<ClassTemplateDecl>(Import(FromCTD, Lang_CXX)); |
| 4268 | EXPECT_TRUE(ToCTD->isThisDeclarationADefinition()); |
| 4269 | |
| 4270 | // We expect no (ODR) warning during the import. |
| 4271 | auto *ToTU = ToAST->getASTContext().getTranslationUnitDecl(); |
| 4272 | EXPECT_EQ(0u, ToTU->getASTContext().getDiagnostics().getNumWarnings()); |
| 4273 | } |
| 4274 | } |
| 4275 | |
Gabor Marton | 0b57ccb | 2019-02-07 16:52:48 +0000 | [diff] [blame] | 4276 | TEST_P(ASTImporterOptionSpecificTestBase, |
| 4277 | ImportingTypedefShouldImportTheCompleteType) { |
Gabor Marton | b93baf6 | 2018-11-27 09:51:36 +0000 | [diff] [blame] | 4278 | // We already have an incomplete underlying type in the "To" context. |
| 4279 | auto Code = |
| 4280 | R"( |
| 4281 | template <typename T> |
| 4282 | struct S { |
| 4283 | void foo(); |
| 4284 | }; |
| 4285 | using U = S<int>; |
| 4286 | )"; |
| 4287 | Decl *ToTU = getToTuDecl(Code, Lang_CXX11); |
| 4288 | auto *ToD = FirstDeclMatcher<TypedefNameDecl>().match(ToTU, |
| 4289 | typedefNameDecl(hasName("U"))); |
| 4290 | ASSERT_TRUE(ToD->getUnderlyingType()->isIncompleteType()); |
| 4291 | |
| 4292 | // The "From" context has the same typedef, but the underlying type is |
| 4293 | // complete this time. |
| 4294 | Decl *FromTU = getTuDecl(std::string(Code) + |
| 4295 | R"( |
| 4296 | void foo(U* u) { |
| 4297 | u->foo(); |
| 4298 | } |
| 4299 | )", Lang_CXX11); |
| 4300 | auto *FromD = FirstDeclMatcher<TypedefNameDecl>().match(FromTU, |
| 4301 | typedefNameDecl(hasName("U"))); |
| 4302 | ASSERT_FALSE(FromD->getUnderlyingType()->isIncompleteType()); |
| 4303 | |
| 4304 | // The imported type should be complete. |
| 4305 | auto *ImportedD = cast<TypedefNameDecl>(Import(FromD, Lang_CXX11)); |
| 4306 | EXPECT_FALSE(ImportedD->getUnderlyingType()->isIncompleteType()); |
| 4307 | } |
| 4308 | |
Balazs Keri | 1efc974 | 2019-05-07 10:55:11 +0000 | [diff] [blame] | 4309 | TEST_P(ASTImporterOptionSpecificTestBase, ImportTemplateParameterLists) { |
| 4310 | auto Code = |
| 4311 | R"( |
| 4312 | template<class T> |
| 4313 | int f() { return 0; } |
| 4314 | template <> int f<int>() { return 4; } |
| 4315 | )"; |
| 4316 | |
| 4317 | Decl *FromTU = getTuDecl(Code, Lang_CXX); |
| 4318 | auto *FromD = FirstDeclMatcher<FunctionDecl>().match(FromTU, |
| 4319 | functionDecl(hasName("f"), isExplicitTemplateSpecialization())); |
Balazs Keri | b7d8cff | 2019-05-07 14:53:04 +0000 | [diff] [blame] | 4320 | ASSERT_EQ(FromD->getNumTemplateParameterLists(), 1u); |
Balazs Keri | 1efc974 | 2019-05-07 10:55:11 +0000 | [diff] [blame] | 4321 | |
| 4322 | auto *ToD = Import(FromD, Lang_CXX); |
| 4323 | // The template parameter list should exist. |
Balazs Keri | b7d8cff | 2019-05-07 14:53:04 +0000 | [diff] [blame] | 4324 | EXPECT_EQ(ToD->getNumTemplateParameterLists(), 1u); |
Balazs Keri | 1efc974 | 2019-05-07 10:55:11 +0000 | [diff] [blame] | 4325 | } |
| 4326 | |
Gabor Marton | 0b57ccb | 2019-02-07 16:52:48 +0000 | [diff] [blame] | 4327 | struct ASTImporterLookupTableTest : ASTImporterOptionSpecificTestBase {}; |
Gabor Marton | 54058b5 | 2018-12-17 13:53:12 +0000 | [diff] [blame] | 4328 | |
| 4329 | TEST_P(ASTImporterLookupTableTest, OneDecl) { |
| 4330 | auto *ToTU = getToTuDecl("int a;", Lang_CXX); |
| 4331 | auto *D = FirstDeclMatcher<VarDecl>().match(ToTU, varDecl(hasName("a"))); |
| 4332 | ASTImporterLookupTable LT(*ToTU); |
| 4333 | auto Res = LT.lookup(ToTU, D->getDeclName()); |
| 4334 | ASSERT_EQ(Res.size(), 1u); |
| 4335 | EXPECT_EQ(*Res.begin(), D); |
| 4336 | } |
| 4337 | |
| 4338 | static Decl *findInDeclListOfDC(DeclContext *DC, DeclarationName Name) { |
| 4339 | for (Decl *D : DC->decls()) { |
| 4340 | if (auto *ND = dyn_cast<NamedDecl>(D)) |
| 4341 | if (ND->getDeclName() == Name) |
| 4342 | return ND; |
| 4343 | } |
| 4344 | return nullptr; |
Martin Storsjo | 8583339 | 2018-12-18 08:36:16 +0000 | [diff] [blame] | 4345 | } |
Gabor Marton | 54058b5 | 2018-12-17 13:53:12 +0000 | [diff] [blame] | 4346 | |
| 4347 | TEST_P(ASTImporterLookupTableTest, |
| 4348 | FriendWhichIsnotFoundByNormalLookupShouldBeFoundByImporterSpecificLookup) { |
| 4349 | auto *Code = R"( |
| 4350 | template <class T> |
| 4351 | struct X { |
| 4352 | friend void foo(){} |
| 4353 | }; |
| 4354 | )"; |
| 4355 | TranslationUnitDecl *ToTU = getToTuDecl(Code, Lang_CXX); |
| 4356 | auto *X = FirstDeclMatcher<ClassTemplateDecl>().match( |
| 4357 | ToTU, classTemplateDecl(hasName("X"))); |
| 4358 | auto *Foo = FirstDeclMatcher<FunctionDecl>().match( |
| 4359 | ToTU, functionDecl(hasName("foo"))); |
| 4360 | DeclContext *FooDC = Foo->getDeclContext(); |
| 4361 | DeclContext *FooLexicalDC = Foo->getLexicalDeclContext(); |
| 4362 | ASSERT_EQ(cast<Decl>(FooLexicalDC), X->getTemplatedDecl()); |
| 4363 | ASSERT_EQ(cast<Decl>(FooDC), ToTU); |
| 4364 | DeclarationName FooName = Foo->getDeclName(); |
| 4365 | |
| 4366 | // Cannot find in the LookupTable of its DC (TUDecl) |
| 4367 | SmallVector<NamedDecl *, 2> FoundDecls; |
| 4368 | FooDC->getRedeclContext()->localUncachedLookup(FooName, FoundDecls); |
| 4369 | EXPECT_EQ(FoundDecls.size(), 0u); |
| 4370 | |
| 4371 | // Cannot find in the LookupTable of its LexicalDC (X) |
| 4372 | FooLexicalDC->getRedeclContext()->localUncachedLookup(FooName, FoundDecls); |
| 4373 | EXPECT_EQ(FoundDecls.size(), 0u); |
| 4374 | |
| 4375 | // Can't find in the list of Decls of the DC. |
| 4376 | EXPECT_EQ(findInDeclListOfDC(FooDC, FooName), nullptr); |
| 4377 | |
| 4378 | // Can't find in the list of Decls of the LexicalDC |
| 4379 | EXPECT_EQ(findInDeclListOfDC(FooLexicalDC, FooName), nullptr); |
| 4380 | |
| 4381 | // ASTImporter specific lookup finds it. |
| 4382 | ASTImporterLookupTable LT(*ToTU); |
| 4383 | auto Res = LT.lookup(FooDC, Foo->getDeclName()); |
| 4384 | ASSERT_EQ(Res.size(), 1u); |
| 4385 | EXPECT_EQ(*Res.begin(), Foo); |
| 4386 | } |
| 4387 | |
| 4388 | TEST_P(ASTImporterLookupTableTest, |
| 4389 | FwdDeclStructShouldBeFoundByImporterSpecificLookup) { |
| 4390 | TranslationUnitDecl *ToTU = |
| 4391 | getToTuDecl("struct A { struct Foo *p; };", Lang_C); |
| 4392 | auto *Foo = |
| 4393 | FirstDeclMatcher<RecordDecl>().match(ToTU, recordDecl(hasName("Foo"))); |
| 4394 | auto *A = |
| 4395 | FirstDeclMatcher<RecordDecl>().match(ToTU, recordDecl(hasName("A"))); |
| 4396 | DeclContext *FooDC = Foo->getDeclContext(); |
| 4397 | DeclContext *FooLexicalDC = Foo->getLexicalDeclContext(); |
| 4398 | ASSERT_EQ(cast<Decl>(FooLexicalDC), A); |
| 4399 | ASSERT_EQ(cast<Decl>(FooDC), ToTU); |
| 4400 | DeclarationName FooName = Foo->getDeclName(); |
| 4401 | |
| 4402 | // Cannot find in the LookupTable of its DC (TUDecl). |
| 4403 | SmallVector<NamedDecl *, 2> FoundDecls; |
| 4404 | FooDC->getRedeclContext()->localUncachedLookup(FooName, FoundDecls); |
| 4405 | EXPECT_EQ(FoundDecls.size(), 0u); |
| 4406 | |
| 4407 | // Cannot find in the LookupTable of its LexicalDC (A). |
| 4408 | FooLexicalDC->getRedeclContext()->localUncachedLookup(FooName, FoundDecls); |
| 4409 | EXPECT_EQ(FoundDecls.size(), 0u); |
| 4410 | |
| 4411 | // Can't find in the list of Decls of the DC. |
| 4412 | EXPECT_EQ(findInDeclListOfDC(FooDC, FooName), nullptr); |
| 4413 | |
| 4414 | // Can find in the list of Decls of the LexicalDC. |
| 4415 | EXPECT_EQ(findInDeclListOfDC(FooLexicalDC, FooName), Foo); |
| 4416 | |
| 4417 | // ASTImporter specific lookup finds it. |
| 4418 | ASTImporterLookupTable LT(*ToTU); |
| 4419 | auto Res = LT.lookup(FooDC, Foo->getDeclName()); |
| 4420 | ASSERT_EQ(Res.size(), 1u); |
| 4421 | EXPECT_EQ(*Res.begin(), Foo); |
| 4422 | } |
| 4423 | |
| 4424 | TEST_P(ASTImporterLookupTableTest, LookupFindsNamesInDifferentDC) { |
| 4425 | TranslationUnitDecl *ToTU = |
| 4426 | getToTuDecl("int V; struct A { int V; }; struct B { int V; };", Lang_C); |
| 4427 | DeclarationName VName = FirstDeclMatcher<VarDecl>() |
| 4428 | .match(ToTU, varDecl(hasName("V"))) |
| 4429 | ->getDeclName(); |
| 4430 | auto *A = |
| 4431 | FirstDeclMatcher<RecordDecl>().match(ToTU, recordDecl(hasName("A"))); |
| 4432 | auto *B = |
| 4433 | FirstDeclMatcher<RecordDecl>().match(ToTU, recordDecl(hasName("B"))); |
| 4434 | |
| 4435 | ASTImporterLookupTable LT(*ToTU); |
| 4436 | |
| 4437 | auto Res = LT.lookup(cast<DeclContext>(A), VName); |
| 4438 | ASSERT_EQ(Res.size(), 1u); |
| 4439 | EXPECT_EQ(*Res.begin(), FirstDeclMatcher<FieldDecl>().match( |
| 4440 | ToTU, fieldDecl(hasName("V"), |
| 4441 | hasParent(recordDecl(hasName("A")))))); |
| 4442 | Res = LT.lookup(cast<DeclContext>(B), VName); |
| 4443 | ASSERT_EQ(Res.size(), 1u); |
| 4444 | EXPECT_EQ(*Res.begin(), FirstDeclMatcher<FieldDecl>().match( |
| 4445 | ToTU, fieldDecl(hasName("V"), |
| 4446 | hasParent(recordDecl(hasName("B")))))); |
| 4447 | Res = LT.lookup(ToTU, VName); |
| 4448 | ASSERT_EQ(Res.size(), 1u); |
| 4449 | EXPECT_EQ(*Res.begin(), FirstDeclMatcher<VarDecl>().match( |
| 4450 | ToTU, varDecl(hasName("V"), |
| 4451 | hasParent(translationUnitDecl())))); |
| 4452 | } |
| 4453 | |
| 4454 | TEST_P(ASTImporterLookupTableTest, LookupFindsOverloadedNames) { |
| 4455 | TranslationUnitDecl *ToTU = getToTuDecl( |
| 4456 | R"( |
| 4457 | void foo(); |
| 4458 | void foo(int); |
| 4459 | void foo(int, int); |
| 4460 | )", |
| 4461 | Lang_CXX); |
| 4462 | |
| 4463 | ASTImporterLookupTable LT(*ToTU); |
| 4464 | auto *F0 = FirstDeclMatcher<FunctionDecl>().match(ToTU, functionDecl()); |
| 4465 | auto *F2 = LastDeclMatcher<FunctionDecl>().match(ToTU, functionDecl()); |
| 4466 | DeclarationName Name = F0->getDeclName(); |
| 4467 | auto Res = LT.lookup(ToTU, Name); |
| 4468 | EXPECT_EQ(Res.size(), 3u); |
| 4469 | EXPECT_EQ(Res.count(F0), 1u); |
| 4470 | EXPECT_EQ(Res.count(F2), 1u); |
| 4471 | } |
| 4472 | |
Gabor Marton | a9cab31 | 2019-02-08 09:19:34 +0000 | [diff] [blame] | 4473 | TEST_P(ASTImporterLookupTableTest, |
| 4474 | DifferentOperatorsShouldHaveDifferentResultSet) { |
| 4475 | TranslationUnitDecl *ToTU = getToTuDecl( |
| 4476 | R"( |
| 4477 | struct X{}; |
| 4478 | void operator+(X, X); |
| 4479 | void operator-(X, X); |
| 4480 | )", |
| 4481 | Lang_CXX); |
| 4482 | |
| 4483 | ASTImporterLookupTable LT(*ToTU); |
| 4484 | auto *FPlus = FirstDeclMatcher<FunctionDecl>().match( |
| 4485 | ToTU, functionDecl(hasOverloadedOperatorName("+"))); |
| 4486 | auto *FMinus = FirstDeclMatcher<FunctionDecl>().match( |
| 4487 | ToTU, functionDecl(hasOverloadedOperatorName("-"))); |
| 4488 | DeclarationName NamePlus = FPlus->getDeclName(); |
| 4489 | auto ResPlus = LT.lookup(ToTU, NamePlus); |
| 4490 | EXPECT_EQ(ResPlus.size(), 1u); |
| 4491 | EXPECT_EQ(ResPlus.count(FPlus), 1u); |
| 4492 | EXPECT_EQ(ResPlus.count(FMinus), 0u); |
| 4493 | DeclarationName NameMinus = FMinus->getDeclName(); |
| 4494 | auto ResMinus = LT.lookup(ToTU, NameMinus); |
| 4495 | EXPECT_EQ(ResMinus.size(), 1u); |
| 4496 | EXPECT_EQ(ResMinus.count(FMinus), 1u); |
| 4497 | EXPECT_EQ(ResMinus.count(FPlus), 0u); |
| 4498 | EXPECT_NE(*ResMinus.begin(), *ResPlus.begin()); |
| 4499 | } |
| 4500 | |
| 4501 | TEST_P(ASTImporterLookupTableTest, LookupDeclNamesFromDifferentTUs) { |
| 4502 | TranslationUnitDecl *ToTU = getToTuDecl( |
| 4503 | R"( |
| 4504 | struct X {}; |
| 4505 | void operator+(X, X); |
| 4506 | )", |
| 4507 | Lang_CXX); |
| 4508 | auto *ToPlus = FirstDeclMatcher<FunctionDecl>().match( |
| 4509 | ToTU, functionDecl(hasOverloadedOperatorName("+"))); |
| 4510 | |
| 4511 | Decl *FromTU = getTuDecl( |
| 4512 | R"( |
| 4513 | struct X {}; |
| 4514 | void operator+(X, X); |
| 4515 | )", |
| 4516 | Lang_CXX); |
| 4517 | auto *FromPlus = FirstDeclMatcher<FunctionDecl>().match( |
| 4518 | FromTU, functionDecl(hasOverloadedOperatorName("+"))); |
| 4519 | |
| 4520 | // FromPlus have a different TU, thus its DeclarationName is different too. |
| 4521 | ASSERT_NE(ToPlus->getDeclName(), FromPlus->getDeclName()); |
| 4522 | |
| 4523 | ASTImporterLookupTable LT(*ToTU); |
| 4524 | auto Res = LT.lookup(ToTU, ToPlus->getDeclName()); |
| 4525 | ASSERT_EQ(Res.size(), 1u); |
| 4526 | EXPECT_EQ(*Res.begin(), ToPlus); |
| 4527 | |
| 4528 | // FromPlus have a different TU, thus its DeclarationName is different too. |
| 4529 | Res = LT.lookup(ToTU, FromPlus->getDeclName()); |
| 4530 | ASSERT_EQ(Res.size(), 0u); |
| 4531 | } |
| 4532 | |
Gabor Marton | dd2b76e | 2019-06-11 13:35:25 +0000 | [diff] [blame] | 4533 | TEST_P(ASTImporterLookupTableTest, |
| 4534 | LookupFindsFwdFriendClassDeclWithElaboratedType) { |
Gabor Marton | 54058b5 | 2018-12-17 13:53:12 +0000 | [diff] [blame] | 4535 | TranslationUnitDecl *ToTU = getToTuDecl( |
| 4536 | R"( |
| 4537 | class Y { friend class F; }; |
| 4538 | )", |
| 4539 | Lang_CXX); |
| 4540 | |
| 4541 | // In this case, the CXXRecordDecl is hidden, the FriendDecl is not a parent. |
| 4542 | // So we must dig up the underlying CXXRecordDecl. |
| 4543 | ASTImporterLookupTable LT(*ToTU); |
| 4544 | auto *FriendD = FirstDeclMatcher<FriendDecl>().match(ToTU, friendDecl()); |
| 4545 | const RecordDecl *RD = getRecordDeclOfFriend(FriendD); |
| 4546 | auto *Y = FirstDeclMatcher<CXXRecordDecl>().match( |
| 4547 | ToTU, cxxRecordDecl(hasName("Y"))); |
| 4548 | |
| 4549 | DeclarationName Name = RD->getDeclName(); |
| 4550 | auto Res = LT.lookup(ToTU, Name); |
| 4551 | EXPECT_EQ(Res.size(), 1u); |
| 4552 | EXPECT_EQ(*Res.begin(), RD); |
| 4553 | |
| 4554 | Res = LT.lookup(Y, Name); |
| 4555 | EXPECT_EQ(Res.size(), 0u); |
| 4556 | } |
| 4557 | |
Gabor Marton | dd2b76e | 2019-06-11 13:35:25 +0000 | [diff] [blame] | 4558 | TEST_P(ASTImporterLookupTableTest, |
| 4559 | LookupFindsFwdFriendClassDeclWithUnelaboratedType) { |
| 4560 | TranslationUnitDecl *ToTU = getToTuDecl( |
| 4561 | R"( |
| 4562 | class F; |
| 4563 | class Y { friend F; }; |
| 4564 | )", |
| 4565 | Lang_CXX11); |
| 4566 | |
| 4567 | // In this case, the CXXRecordDecl is hidden, the FriendDecl is not a parent. |
| 4568 | // So we must dig up the underlying CXXRecordDecl. |
| 4569 | ASTImporterLookupTable LT(*ToTU); |
| 4570 | auto *FriendD = FirstDeclMatcher<FriendDecl>().match(ToTU, friendDecl()); |
| 4571 | const RecordDecl *RD = getRecordDeclOfFriend(FriendD); |
| 4572 | auto *Y = FirstDeclMatcher<CXXRecordDecl>().match(ToTU, cxxRecordDecl(hasName("Y"))); |
| 4573 | |
| 4574 | DeclarationName Name = RD->getDeclName(); |
| 4575 | auto Res = LT.lookup(ToTU, Name); |
| 4576 | EXPECT_EQ(Res.size(), 1u); |
| 4577 | EXPECT_EQ(*Res.begin(), RD); |
| 4578 | |
| 4579 | Res = LT.lookup(Y, Name); |
| 4580 | EXPECT_EQ(Res.size(), 0u); |
| 4581 | } |
| 4582 | |
| 4583 | TEST_P(ASTImporterLookupTableTest, |
| 4584 | LookupFindsFriendClassDeclWithTypeAliasDoesNotAssert) { |
| 4585 | TranslationUnitDecl *ToTU = getToTuDecl( |
| 4586 | R"( |
| 4587 | class F; |
| 4588 | using alias_of_f = F; |
| 4589 | class Y { friend alias_of_f; }; |
| 4590 | )", |
| 4591 | Lang_CXX11); |
| 4592 | |
| 4593 | // ASTImporterLookupTable constructor handles using declarations correctly, |
| 4594 | // no assert is expected. |
| 4595 | ASTImporterLookupTable LT(*ToTU); |
| 4596 | |
| 4597 | auto *Alias = FirstDeclMatcher<TypeAliasDecl>().match( |
| 4598 | ToTU, typeAliasDecl(hasName("alias_of_f"))); |
| 4599 | DeclarationName Name = Alias->getDeclName(); |
| 4600 | auto Res = LT.lookup(ToTU, Name); |
| 4601 | EXPECT_EQ(Res.count(Alias), 1u); |
| 4602 | } |
| 4603 | |
Gabor Marton | 54058b5 | 2018-12-17 13:53:12 +0000 | [diff] [blame] | 4604 | TEST_P(ASTImporterLookupTableTest, LookupFindsFwdFriendClassTemplateDecl) { |
| 4605 | TranslationUnitDecl *ToTU = getToTuDecl( |
| 4606 | R"( |
| 4607 | class Y { template <class T> friend class F; }; |
| 4608 | )", |
| 4609 | Lang_CXX); |
| 4610 | |
| 4611 | ASTImporterLookupTable LT(*ToTU); |
| 4612 | auto *F = FirstDeclMatcher<ClassTemplateDecl>().match( |
| 4613 | ToTU, classTemplateDecl(hasName("F"))); |
| 4614 | DeclarationName Name = F->getDeclName(); |
| 4615 | auto Res = LT.lookup(ToTU, Name); |
| 4616 | EXPECT_EQ(Res.size(), 2u); |
| 4617 | EXPECT_EQ(Res.count(F), 1u); |
| 4618 | EXPECT_EQ(Res.count(F->getTemplatedDecl()), 1u); |
| 4619 | } |
| 4620 | |
| 4621 | TEST_P(ASTImporterLookupTableTest, DependentFriendClass) { |
| 4622 | TranslationUnitDecl *ToTU = getToTuDecl( |
| 4623 | R"( |
| 4624 | template <typename T> |
| 4625 | class F; |
| 4626 | |
| 4627 | template <typename T> |
| 4628 | class Y { |
| 4629 | friend class F<T>; |
| 4630 | }; |
| 4631 | )", |
| 4632 | Lang_CXX); |
| 4633 | |
| 4634 | ASTImporterLookupTable LT(*ToTU); |
| 4635 | auto *F = FirstDeclMatcher<ClassTemplateDecl>().match( |
| 4636 | ToTU, classTemplateDecl(hasName("F"))); |
| 4637 | DeclarationName Name = F->getDeclName(); |
| 4638 | auto Res = LT.lookup(ToTU, Name); |
| 4639 | EXPECT_EQ(Res.size(), 2u); |
| 4640 | EXPECT_EQ(Res.count(F), 1u); |
| 4641 | EXPECT_EQ(Res.count(F->getTemplatedDecl()), 1u); |
| 4642 | } |
| 4643 | |
| 4644 | TEST_P(ASTImporterLookupTableTest, FriendClassTemplateSpecialization) { |
| 4645 | TranslationUnitDecl *ToTU = getToTuDecl( |
| 4646 | R"( |
| 4647 | template <typename T> |
| 4648 | class F; |
| 4649 | |
| 4650 | class Y { |
| 4651 | friend class F<int>; |
| 4652 | }; |
| 4653 | )", |
| 4654 | Lang_CXX); |
| 4655 | |
| 4656 | ASTImporterLookupTable LT(*ToTU); |
| 4657 | auto *F = FirstDeclMatcher<ClassTemplateDecl>().match( |
| 4658 | ToTU, classTemplateDecl(hasName("F"))); |
| 4659 | DeclarationName Name = F->getDeclName(); |
| 4660 | auto Res = LT.lookup(ToTU, Name); |
| 4661 | ASSERT_EQ(Res.size(), 3u); |
| 4662 | EXPECT_EQ(Res.count(F), 1u); |
| 4663 | EXPECT_EQ(Res.count(F->getTemplatedDecl()), 1u); |
| 4664 | EXPECT_EQ(Res.count(*F->spec_begin()), 1u); |
| 4665 | } |
| 4666 | |
| 4667 | TEST_P(ASTImporterLookupTableTest, LookupFindsFwdFriendFunctionDecl) { |
| 4668 | TranslationUnitDecl *ToTU = getToTuDecl( |
| 4669 | R"( |
| 4670 | class Y { friend void F(); }; |
| 4671 | )", |
| 4672 | Lang_CXX); |
| 4673 | |
| 4674 | ASTImporterLookupTable LT(*ToTU); |
| 4675 | auto *F = |
| 4676 | FirstDeclMatcher<FunctionDecl>().match(ToTU, functionDecl(hasName("F"))); |
| 4677 | DeclarationName Name = F->getDeclName(); |
| 4678 | auto Res = LT.lookup(ToTU, Name); |
| 4679 | EXPECT_EQ(Res.size(), 1u); |
| 4680 | EXPECT_EQ(*Res.begin(), F); |
| 4681 | } |
| 4682 | |
| 4683 | TEST_P(ASTImporterLookupTableTest, |
| 4684 | LookupFindsDeclsInClassTemplateSpecialization) { |
| 4685 | TranslationUnitDecl *ToTU = getToTuDecl( |
| 4686 | R"( |
| 4687 | template <typename T> |
| 4688 | struct X { |
| 4689 | int F; |
| 4690 | }; |
| 4691 | void foo() { |
| 4692 | X<char> xc; |
| 4693 | } |
| 4694 | )", |
| 4695 | Lang_CXX); |
| 4696 | |
| 4697 | ASTImporterLookupTable LT(*ToTU); |
| 4698 | |
| 4699 | auto *Template = FirstDeclMatcher<ClassTemplateDecl>().match( |
| 4700 | ToTU, classTemplateDecl(hasName("X"))); |
| 4701 | auto *FieldInTemplate = FirstDeclMatcher<FieldDecl>().match( |
| 4702 | ToTU, |
| 4703 | fieldDecl(hasParent(cxxRecordDecl(hasParent(classTemplateDecl()))))); |
| 4704 | |
| 4705 | auto *Spec = FirstDeclMatcher<ClassTemplateSpecializationDecl>().match( |
| 4706 | ToTU, classTemplateSpecializationDecl(hasName("X"))); |
| 4707 | FieldDecl *FieldInSpec = *Spec->field_begin(); |
| 4708 | ASSERT_TRUE(FieldInSpec); |
| 4709 | |
| 4710 | DeclarationName Name = FieldInSpec->getDeclName(); |
| 4711 | auto TemplateDC = cast<DeclContext>(Template->getTemplatedDecl()); |
| 4712 | |
| 4713 | SmallVector<NamedDecl *, 2> FoundDecls; |
| 4714 | TemplateDC->getRedeclContext()->localUncachedLookup(Name, FoundDecls); |
| 4715 | EXPECT_EQ(FoundDecls.size(), 1u); |
| 4716 | EXPECT_EQ(FoundDecls[0], FieldInTemplate); |
| 4717 | |
| 4718 | auto Res = LT.lookup(TemplateDC, Name); |
| 4719 | ASSERT_EQ(Res.size(), 1u); |
| 4720 | EXPECT_EQ(*Res.begin(), FieldInTemplate); |
| 4721 | |
| 4722 | cast<DeclContext>(Spec)->getRedeclContext()->localUncachedLookup(Name, |
| 4723 | FoundDecls); |
| 4724 | EXPECT_EQ(FoundDecls.size(), 1u); |
| 4725 | EXPECT_EQ(FoundDecls[0], FieldInSpec); |
| 4726 | |
| 4727 | Res = LT.lookup(cast<DeclContext>(Spec), Name); |
| 4728 | ASSERT_EQ(Res.size(), 1u); |
| 4729 | EXPECT_EQ(*Res.begin(), FieldInSpec); |
| 4730 | } |
| 4731 | |
| 4732 | TEST_P(ASTImporterLookupTableTest, LookupFindsFwdFriendFunctionTemplateDecl) { |
| 4733 | TranslationUnitDecl *ToTU = getToTuDecl( |
| 4734 | R"( |
| 4735 | class Y { template <class T> friend void F(); }; |
| 4736 | )", |
| 4737 | Lang_CXX); |
| 4738 | |
| 4739 | ASTImporterLookupTable LT(*ToTU); |
| 4740 | auto *F = FirstDeclMatcher<FunctionTemplateDecl>().match( |
| 4741 | ToTU, functionTemplateDecl(hasName("F"))); |
| 4742 | DeclarationName Name = F->getDeclName(); |
| 4743 | auto Res = LT.lookup(ToTU, Name); |
| 4744 | EXPECT_EQ(Res.size(), 2u); |
| 4745 | EXPECT_EQ(Res.count(F), 1u); |
| 4746 | EXPECT_EQ(Res.count(F->getTemplatedDecl()), 1u); |
| 4747 | } |
| 4748 | |
| 4749 | TEST_P(ASTImporterLookupTableTest, MultipleBefriendingClasses) { |
| 4750 | TranslationUnitDecl *ToTU = getToTuDecl( |
| 4751 | R"( |
| 4752 | struct X; |
| 4753 | struct A { |
| 4754 | friend struct X; |
| 4755 | }; |
| 4756 | struct B { |
| 4757 | friend struct X; |
| 4758 | }; |
| 4759 | )", |
| 4760 | Lang_CXX); |
| 4761 | |
| 4762 | ASTImporterLookupTable LT(*ToTU); |
| 4763 | auto *X = FirstDeclMatcher<CXXRecordDecl>().match( |
| 4764 | ToTU, cxxRecordDecl(hasName("X"))); |
| 4765 | auto *FriendD0 = FirstDeclMatcher<FriendDecl>().match(ToTU, friendDecl()); |
| 4766 | auto *FriendD1 = LastDeclMatcher<FriendDecl>().match(ToTU, friendDecl()); |
| 4767 | const RecordDecl *RD0 = getRecordDeclOfFriend(FriendD0); |
| 4768 | const RecordDecl *RD1 = getRecordDeclOfFriend(FriendD1); |
| 4769 | ASSERT_EQ(RD0, RD1); |
| 4770 | ASSERT_EQ(RD1, X); |
| 4771 | |
| 4772 | DeclarationName Name = X->getDeclName(); |
| 4773 | auto Res = LT.lookup(ToTU, Name); |
| 4774 | EXPECT_EQ(Res.size(), 1u); |
| 4775 | EXPECT_EQ(*Res.begin(), X); |
| 4776 | } |
| 4777 | |
| 4778 | TEST_P(ASTImporterLookupTableTest, EnumConstantDecl) { |
| 4779 | TranslationUnitDecl *ToTU = getToTuDecl( |
| 4780 | R"( |
| 4781 | enum E { |
| 4782 | A, |
| 4783 | B |
| 4784 | }; |
| 4785 | )", |
| 4786 | Lang_C); |
| 4787 | |
| 4788 | ASTImporterLookupTable LT(*ToTU); |
| 4789 | auto *E = FirstDeclMatcher<EnumDecl>().match(ToTU, enumDecl(hasName("E"))); |
| 4790 | auto *A = FirstDeclMatcher<EnumConstantDecl>().match( |
| 4791 | ToTU, enumConstantDecl(hasName("A"))); |
| 4792 | |
| 4793 | DeclarationName Name = A->getDeclName(); |
| 4794 | // Redecl context is the TU. |
| 4795 | ASSERT_EQ(E->getRedeclContext(), ToTU); |
| 4796 | |
| 4797 | SmallVector<NamedDecl *, 2> FoundDecls; |
| 4798 | // Normal lookup finds in the DC. |
| 4799 | E->localUncachedLookup(Name, FoundDecls); |
| 4800 | EXPECT_EQ(FoundDecls.size(), 1u); |
| 4801 | |
| 4802 | // Normal lookup finds in the Redecl context. |
| 4803 | ToTU->localUncachedLookup(Name, FoundDecls); |
| 4804 | EXPECT_EQ(FoundDecls.size(), 1u); |
| 4805 | |
| 4806 | // Import specific lookup finds in the DC. |
| 4807 | auto Res = LT.lookup(E, Name); |
| 4808 | ASSERT_EQ(Res.size(), 1u); |
| 4809 | EXPECT_EQ(*Res.begin(), A); |
| 4810 | |
| 4811 | // Import specific lookup finds in the Redecl context. |
| 4812 | Res = LT.lookup(ToTU, Name); |
| 4813 | ASSERT_EQ(Res.size(), 1u); |
| 4814 | EXPECT_EQ(*Res.begin(), A); |
| 4815 | } |
| 4816 | |
| 4817 | TEST_P(ASTImporterLookupTableTest, LookupSearchesInTheWholeRedeclChain) { |
| 4818 | TranslationUnitDecl *ToTU = getToTuDecl( |
| 4819 | R"( |
| 4820 | namespace N { |
| 4821 | int A; |
| 4822 | } |
| 4823 | namespace N { |
| 4824 | } |
| 4825 | )", |
| 4826 | Lang_CXX); |
| 4827 | auto *N1 = |
| 4828 | LastDeclMatcher<NamespaceDecl>().match(ToTU, namespaceDecl(hasName("N"))); |
| 4829 | auto *A = FirstDeclMatcher<VarDecl>().match(ToTU, varDecl(hasName("A"))); |
| 4830 | DeclarationName Name = A->getDeclName(); |
| 4831 | |
| 4832 | ASTImporterLookupTable LT(*ToTU); |
| 4833 | auto Res = LT.lookup(N1, Name); |
| 4834 | ASSERT_EQ(Res.size(), 1u); |
| 4835 | EXPECT_EQ(*Res.begin(), A); |
| 4836 | } |
| 4837 | |
Gabor Marton | 0e04ebd | 2019-02-11 10:27:58 +0000 | [diff] [blame] | 4838 | TEST_P(ASTImporterOptionSpecificTestBase, |
Gabor Marton | 305a11d | 2019-10-07 11:34:54 +0000 | [diff] [blame] | 4839 | RedeclChainShouldBeCorrectAmongstNamespaces) { |
Gabor Marton | 0e04ebd | 2019-02-11 10:27:58 +0000 | [diff] [blame] | 4840 | Decl *FromTU = getTuDecl( |
| 4841 | R"( |
| 4842 | namespace NS { |
| 4843 | struct X; |
| 4844 | struct Y { |
| 4845 | static const int I = 3; |
| 4846 | }; |
| 4847 | } |
| 4848 | namespace NS { |
| 4849 | struct X { // <--- To be imported |
| 4850 | void method(int i = Y::I) {} |
| 4851 | int f; |
| 4852 | }; |
| 4853 | } |
| 4854 | )", |
| 4855 | Lang_CXX); |
| 4856 | auto *FromFwd = FirstDeclMatcher<CXXRecordDecl>().match( |
| 4857 | FromTU, cxxRecordDecl(hasName("X"), unless(isImplicit()))); |
| 4858 | auto *FromDef = LastDeclMatcher<CXXRecordDecl>().match( |
| 4859 | FromTU, |
| 4860 | cxxRecordDecl(hasName("X"), isDefinition(), unless(isImplicit()))); |
| 4861 | ASSERT_NE(FromFwd, FromDef); |
| 4862 | ASSERT_FALSE(FromFwd->isThisDeclarationADefinition()); |
| 4863 | ASSERT_TRUE(FromDef->isThisDeclarationADefinition()); |
| 4864 | ASSERT_EQ(FromFwd->getCanonicalDecl(), FromDef->getCanonicalDecl()); |
| 4865 | |
| 4866 | auto *ToDef = cast_or_null<CXXRecordDecl>(Import(FromDef, Lang_CXX)); |
| 4867 | auto *ToFwd = cast_or_null<CXXRecordDecl>(Import(FromFwd, Lang_CXX)); |
| 4868 | EXPECT_NE(ToFwd, ToDef); |
| 4869 | EXPECT_FALSE(ToFwd->isThisDeclarationADefinition()); |
| 4870 | EXPECT_TRUE(ToDef->isThisDeclarationADefinition()); |
| 4871 | EXPECT_EQ(ToFwd->getCanonicalDecl(), ToDef->getCanonicalDecl()); |
| 4872 | auto *ToTU = ToAST->getASTContext().getTranslationUnitDecl(); |
| 4873 | // We expect no (ODR) warning during the import. |
| 4874 | EXPECT_EQ(0u, ToTU->getASTContext().getDiagnostics().getNumWarnings()); |
| 4875 | } |
| 4876 | |
Gabor Marton | e331e63 | 2019-02-18 13:09:27 +0000 | [diff] [blame] | 4877 | struct ImportFriendFunctionTemplates : ASTImporterOptionSpecificTestBase {}; |
| 4878 | |
| 4879 | TEST_P(ImportFriendFunctionTemplates, LookupShouldFindPreviousFriend) { |
| 4880 | Decl *ToTU = getToTuDecl( |
| 4881 | R"( |
| 4882 | class X { |
| 4883 | template <typename T> friend void foo(); |
| 4884 | }; |
| 4885 | )", |
| 4886 | Lang_CXX); |
| 4887 | auto *Friend = FirstDeclMatcher<FunctionTemplateDecl>().match( |
| 4888 | ToTU, functionTemplateDecl(hasName("foo"))); |
| 4889 | |
| 4890 | Decl *FromTU = getTuDecl( |
| 4891 | R"( |
| 4892 | template <typename T> void foo(); |
| 4893 | )", |
| 4894 | Lang_CXX); |
| 4895 | auto *FromFoo = FirstDeclMatcher<FunctionTemplateDecl>().match( |
| 4896 | FromTU, functionTemplateDecl(hasName("foo"))); |
| 4897 | auto *Imported = Import(FromFoo, Lang_CXX); |
| 4898 | |
Gabor Marton | 16d98c2 | 2019-03-07 13:01:51 +0000 | [diff] [blame] | 4899 | EXPECT_EQ(Imported->getPreviousDecl(), Friend); |
Gabor Marton | e331e63 | 2019-02-18 13:09:27 +0000 | [diff] [blame] | 4900 | } |
| 4901 | |
Gabor Marton | 303c9861 | 2019-06-25 08:00:51 +0000 | [diff] [blame] | 4902 | struct ASTImporterWithFakeErrors : ASTImporter { |
| 4903 | using ASTImporter::ASTImporter; |
| 4904 | bool returnWithErrorInTest() override { return true; } |
| 4905 | }; |
| 4906 | |
| 4907 | struct ErrorHandlingTest : ASTImporterOptionSpecificTestBase { |
| 4908 | ErrorHandlingTest() { |
| 4909 | Creator = [](ASTContext &ToContext, FileManager &ToFileManager, |
| 4910 | ASTContext &FromContext, FileManager &FromFileManager, |
Gabor Marton | 2afbfb6 | 2019-07-01 15:37:07 +0000 | [diff] [blame] | 4911 | bool MinimalImport, |
| 4912 | const std::shared_ptr<ASTImporterSharedState> &SharedState) { |
Gabor Marton | 303c9861 | 2019-06-25 08:00:51 +0000 | [diff] [blame] | 4913 | return new ASTImporterWithFakeErrors(ToContext, ToFileManager, |
| 4914 | FromContext, FromFileManager, |
Gabor Marton | 2afbfb6 | 2019-07-01 15:37:07 +0000 | [diff] [blame] | 4915 | MinimalImport, SharedState); |
Gabor Marton | 303c9861 | 2019-06-25 08:00:51 +0000 | [diff] [blame] | 4916 | }; |
| 4917 | } |
| 4918 | // In this test we purposely report an error (UnsupportedConstruct) when |
| 4919 | // importing the below stmt. |
| 4920 | static constexpr auto* ErroneousStmt = R"( asm(""); )"; |
| 4921 | }; |
| 4922 | |
| 4923 | // Check a case when no new AST node is created in the AST before encountering |
| 4924 | // the error. |
| 4925 | TEST_P(ErrorHandlingTest, ErrorHappensBeforeCreatingANewNode) { |
| 4926 | TranslationUnitDecl *ToTU = getToTuDecl( |
| 4927 | R"( |
| 4928 | template <typename T> |
| 4929 | class X {}; |
| 4930 | template <> |
| 4931 | class X<int> { int a; }; |
| 4932 | )", |
| 4933 | Lang_CXX); |
| 4934 | TranslationUnitDecl *FromTU = getTuDecl( |
| 4935 | R"( |
| 4936 | template <typename T> |
| 4937 | class X {}; |
| 4938 | template <> |
| 4939 | class X<int> { double b; }; |
| 4940 | )", |
| 4941 | Lang_CXX); |
| 4942 | auto *FromSpec = FirstDeclMatcher<ClassTemplateSpecializationDecl>().match( |
| 4943 | FromTU, classTemplateSpecializationDecl(hasName("X"))); |
| 4944 | ClassTemplateSpecializationDecl *ImportedSpec = Import(FromSpec, Lang_CXX); |
| 4945 | EXPECT_FALSE(ImportedSpec); |
| 4946 | |
| 4947 | // The original Decl is kept, no new decl is created. |
| 4948 | EXPECT_EQ(DeclCounter<ClassTemplateSpecializationDecl>().match( |
| 4949 | ToTU, classTemplateSpecializationDecl(hasName("X"))), |
| 4950 | 1u); |
| 4951 | |
| 4952 | // But an error is set to the counterpart in the "from" context. |
| 4953 | ASTImporter *Importer = findFromTU(FromSpec)->Importer.get(); |
| 4954 | Optional<ImportError> OptErr = Importer->getImportDeclErrorIfAny(FromSpec); |
| 4955 | ASSERT_TRUE(OptErr); |
| 4956 | EXPECT_EQ(OptErr->Error, ImportError::NameConflict); |
| 4957 | } |
| 4958 | |
| 4959 | // Check a case when a new AST node is created but not linked to the AST before |
| 4960 | // encountering the error. |
| 4961 | TEST_P(ErrorHandlingTest, |
| 4962 | ErrorHappensAfterCreatingTheNodeButBeforeLinkingThatToTheAST) { |
| 4963 | TranslationUnitDecl *FromTU = getTuDecl( |
| 4964 | std::string("void foo() { ") + ErroneousStmt + " }", |
| 4965 | Lang_CXX); |
| 4966 | auto *FromFoo = FirstDeclMatcher<FunctionDecl>().match( |
| 4967 | FromTU, functionDecl(hasName("foo"))); |
| 4968 | |
| 4969 | FunctionDecl *ImportedFoo = Import(FromFoo, Lang_CXX); |
| 4970 | EXPECT_FALSE(ImportedFoo); |
| 4971 | |
| 4972 | TranslationUnitDecl *ToTU = ToAST->getASTContext().getTranslationUnitDecl(); |
| 4973 | // Created, but not linked. |
| 4974 | EXPECT_EQ( |
| 4975 | DeclCounter<FunctionDecl>().match(ToTU, functionDecl(hasName("foo"))), |
| 4976 | 0u); |
| 4977 | |
| 4978 | ASTImporter *Importer = findFromTU(FromFoo)->Importer.get(); |
| 4979 | Optional<ImportError> OptErr = Importer->getImportDeclErrorIfAny(FromFoo); |
| 4980 | ASSERT_TRUE(OptErr); |
| 4981 | EXPECT_EQ(OptErr->Error, ImportError::UnsupportedConstruct); |
| 4982 | } |
| 4983 | |
| 4984 | // Check a case when a new AST node is created and linked to the AST before |
| 4985 | // encountering the error. The error is set for the counterpart of the nodes in |
| 4986 | // the "from" context. |
| 4987 | TEST_P(ErrorHandlingTest, ErrorHappensAfterNodeIsCreatedAndLinked) { |
| 4988 | TranslationUnitDecl *FromTU = getTuDecl( |
| 4989 | std::string(R"( |
| 4990 | void f(); |
| 4991 | void f() { )") + ErroneousStmt + R"( } |
| 4992 | )", |
| 4993 | Lang_CXX); |
| 4994 | auto *FromProto = FirstDeclMatcher<FunctionDecl>().match( |
| 4995 | FromTU, functionDecl(hasName("f"))); |
| 4996 | auto *FromDef = |
| 4997 | LastDeclMatcher<FunctionDecl>().match(FromTU, functionDecl(hasName("f"))); |
| 4998 | FunctionDecl *ImportedProto = Import(FromProto, Lang_CXX); |
| 4999 | EXPECT_FALSE(ImportedProto); // Could not import. |
| 5000 | // However, we created two nodes in the AST. 1) the fwd decl 2) the |
| 5001 | // definition. The definition is not added to its DC, but the fwd decl is |
| 5002 | // there. |
| 5003 | TranslationUnitDecl *ToTU = ToAST->getASTContext().getTranslationUnitDecl(); |
| 5004 | EXPECT_EQ(DeclCounter<FunctionDecl>().match(ToTU, functionDecl(hasName("f"))), |
| 5005 | 1u); |
| 5006 | // Match the fwd decl. |
| 5007 | auto *ToProto = |
| 5008 | FirstDeclMatcher<FunctionDecl>().match(ToTU, functionDecl(hasName("f"))); |
| 5009 | EXPECT_TRUE(ToProto); |
| 5010 | // An error is set to the counterpart in the "from" context both for the fwd |
| 5011 | // decl and the definition. |
| 5012 | ASTImporter *Importer = findFromTU(FromProto)->Importer.get(); |
| 5013 | Optional<ImportError> OptErr = Importer->getImportDeclErrorIfAny(FromProto); |
| 5014 | ASSERT_TRUE(OptErr); |
| 5015 | EXPECT_EQ(OptErr->Error, ImportError::UnsupportedConstruct); |
| 5016 | OptErr = Importer->getImportDeclErrorIfAny(FromDef); |
| 5017 | ASSERT_TRUE(OptErr); |
| 5018 | EXPECT_EQ(OptErr->Error, ImportError::UnsupportedConstruct); |
| 5019 | } |
| 5020 | |
Gabor Marton | 17c3eaf | 2019-07-01 12:44:39 +0000 | [diff] [blame] | 5021 | // An error should be set for a class if we cannot import one member. |
| 5022 | TEST_P(ErrorHandlingTest, ErrorIsPropagatedFromMemberToClass) { |
| 5023 | TranslationUnitDecl *FromTU = getTuDecl( |
| 5024 | std::string(R"( |
| 5025 | class X { |
| 5026 | void f() { )") + ErroneousStmt + R"( } // This member has the error |
| 5027 | // during import. |
| 5028 | void ok(); // The error should not prevent importing this. |
| 5029 | }; // An error will be set for X too. |
| 5030 | )", |
| 5031 | Lang_CXX); |
| 5032 | auto *FromX = FirstDeclMatcher<CXXRecordDecl>().match( |
| 5033 | FromTU, cxxRecordDecl(hasName("X"))); |
| 5034 | CXXRecordDecl *ImportedX = Import(FromX, Lang_CXX); |
| 5035 | |
| 5036 | // An error is set for X. |
| 5037 | EXPECT_FALSE(ImportedX); |
| 5038 | ASTImporter *Importer = findFromTU(FromX)->Importer.get(); |
| 5039 | Optional<ImportError> OptErr = Importer->getImportDeclErrorIfAny(FromX); |
| 5040 | ASSERT_TRUE(OptErr); |
| 5041 | EXPECT_EQ(OptErr->Error, ImportError::UnsupportedConstruct); |
| 5042 | |
| 5043 | // An error is set for f(). |
| 5044 | auto *FromF = FirstDeclMatcher<CXXMethodDecl>().match( |
| 5045 | FromTU, cxxMethodDecl(hasName("f"))); |
| 5046 | OptErr = Importer->getImportDeclErrorIfAny(FromF); |
| 5047 | ASSERT_TRUE(OptErr); |
| 5048 | EXPECT_EQ(OptErr->Error, ImportError::UnsupportedConstruct); |
| 5049 | // And any subsequent import should fail. |
| 5050 | CXXMethodDecl *ImportedF = Import(FromF, Lang_CXX); |
| 5051 | EXPECT_FALSE(ImportedF); |
| 5052 | |
Gabor Marton | 1ad4b99 | 2019-07-01 14:19:53 +0000 | [diff] [blame] | 5053 | // There is an error set for the other member too. |
Gabor Marton | 17c3eaf | 2019-07-01 12:44:39 +0000 | [diff] [blame] | 5054 | auto *FromOK = FirstDeclMatcher<CXXMethodDecl>().match( |
| 5055 | FromTU, cxxMethodDecl(hasName("ok"))); |
| 5056 | OptErr = Importer->getImportDeclErrorIfAny(FromOK); |
Gabor Marton | 1ad4b99 | 2019-07-01 14:19:53 +0000 | [diff] [blame] | 5057 | EXPECT_TRUE(OptErr); |
| 5058 | // Cannot import the other member. |
Gabor Marton | 17c3eaf | 2019-07-01 12:44:39 +0000 | [diff] [blame] | 5059 | CXXMethodDecl *ImportedOK = Import(FromOK, Lang_CXX); |
Gabor Marton | 1ad4b99 | 2019-07-01 14:19:53 +0000 | [diff] [blame] | 5060 | EXPECT_FALSE(ImportedOK); |
| 5061 | } |
Gabor Marton | 17c3eaf | 2019-07-01 12:44:39 +0000 | [diff] [blame] | 5062 | |
Gabor Marton | 1ad4b99 | 2019-07-01 14:19:53 +0000 | [diff] [blame] | 5063 | // Check that an error propagates to the dependent AST nodes. |
| 5064 | // In the below code it means that an error in X should propagate to A. |
| 5065 | // And even to F since the containing A is erroneous. |
| 5066 | // And to all AST nodes which we visit during the import process which finally |
| 5067 | // ends up in a failure (in the error() function). |
| 5068 | TEST_P(ErrorHandlingTest, ErrorPropagatesThroughImportCycles) { |
| 5069 | Decl *FromTU = getTuDecl( |
| 5070 | std::string(R"( |
| 5071 | namespace NS { |
| 5072 | class A { |
| 5073 | template <int I> class F {}; |
| 5074 | class X { |
| 5075 | template <int I> friend class F; |
| 5076 | void error() { )") + ErroneousStmt + R"( } |
| 5077 | }; |
| 5078 | }; |
| 5079 | |
| 5080 | class B {}; |
| 5081 | } // NS |
| 5082 | )", |
| 5083 | Lang_CXX, "input0.cc"); |
| 5084 | |
| 5085 | auto *FromFRD = FirstDeclMatcher<CXXRecordDecl>().match( |
| 5086 | FromTU, cxxRecordDecl(hasName("F"), isDefinition())); |
| 5087 | auto *FromA = FirstDeclMatcher<CXXRecordDecl>().match( |
| 5088 | FromTU, cxxRecordDecl(hasName("A"), isDefinition())); |
| 5089 | auto *FromB = FirstDeclMatcher<CXXRecordDecl>().match( |
| 5090 | FromTU, cxxRecordDecl(hasName("B"), isDefinition())); |
| 5091 | auto *FromNS = FirstDeclMatcher<NamespaceDecl>().match( |
| 5092 | FromTU, namespaceDecl(hasName("NS"))); |
| 5093 | |
| 5094 | // Start by importing the templated CXXRecordDecl of F. |
| 5095 | // Import fails for that. |
| 5096 | EXPECT_FALSE(Import(FromFRD, Lang_CXX)); |
| 5097 | // Import fails for A. |
| 5098 | EXPECT_FALSE(Import(FromA, Lang_CXX)); |
| 5099 | // But we should be able to import the independent B. |
| 5100 | EXPECT_TRUE(Import(FromB, Lang_CXX)); |
| 5101 | // And the namespace. |
| 5102 | EXPECT_TRUE(Import(FromNS, Lang_CXX)); |
| 5103 | |
| 5104 | // An error is set to the templated CXXRecordDecl of F. |
| 5105 | ASTImporter *Importer = findFromTU(FromFRD)->Importer.get(); |
| 5106 | Optional<ImportError> OptErr = Importer->getImportDeclErrorIfAny(FromFRD); |
| 5107 | EXPECT_TRUE(OptErr); |
| 5108 | |
| 5109 | // An error is set to A. |
| 5110 | OptErr = Importer->getImportDeclErrorIfAny(FromA); |
| 5111 | EXPECT_TRUE(OptErr); |
| 5112 | |
| 5113 | // There is no error set to B. |
| 5114 | OptErr = Importer->getImportDeclErrorIfAny(FromB); |
| 5115 | EXPECT_FALSE(OptErr); |
| 5116 | |
| 5117 | // There is no error set to NS. |
| 5118 | OptErr = Importer->getImportDeclErrorIfAny(FromNS); |
| 5119 | EXPECT_FALSE(OptErr); |
| 5120 | |
| 5121 | // Check some of those decls whose ancestor is X, they all should have an |
| 5122 | // error set if we visited them during an import process which finally failed. |
| 5123 | // These decls are part of a cycle in an ImportPath. |
| 5124 | // There would not be any error set for these decls if we hadn't follow the |
| 5125 | // ImportPaths and the cycles. |
| 5126 | OptErr = Importer->getImportDeclErrorIfAny( |
| 5127 | FirstDeclMatcher<ClassTemplateDecl>().match( |
| 5128 | FromTU, classTemplateDecl(hasName("F")))); |
| 5129 | // An error is set to the 'F' ClassTemplateDecl. |
| 5130 | EXPECT_TRUE(OptErr); |
| 5131 | // An error is set to the FriendDecl. |
| 5132 | OptErr = Importer->getImportDeclErrorIfAny( |
| 5133 | FirstDeclMatcher<FriendDecl>().match( |
| 5134 | FromTU, friendDecl())); |
| 5135 | EXPECT_TRUE(OptErr); |
| 5136 | // An error is set to the implicit class of A. |
| 5137 | OptErr = |
| 5138 | Importer->getImportDeclErrorIfAny(FirstDeclMatcher<CXXRecordDecl>().match( |
| 5139 | FromTU, cxxRecordDecl(hasName("A"), isImplicit()))); |
| 5140 | EXPECT_TRUE(OptErr); |
| 5141 | // An error is set to the implicit class of X. |
| 5142 | OptErr = |
| 5143 | Importer->getImportDeclErrorIfAny(FirstDeclMatcher<CXXRecordDecl>().match( |
| 5144 | FromTU, cxxRecordDecl(hasName("X"), isImplicit()))); |
| 5145 | EXPECT_TRUE(OptErr); |
Gabor Marton | 17c3eaf | 2019-07-01 12:44:39 +0000 | [diff] [blame] | 5146 | } |
| 5147 | |
| 5148 | TEST_P(ErrorHandlingTest, ErrorIsNotPropagatedFromMemberToNamespace) { |
| 5149 | TranslationUnitDecl *FromTU = getTuDecl( |
| 5150 | std::string(R"( |
| 5151 | namespace X { |
| 5152 | void f() { )") + ErroneousStmt + R"( } // This member has the error |
| 5153 | // during import. |
| 5154 | void ok(); // The error should not prevent importing this. |
| 5155 | }; // An error will be set for X too. |
| 5156 | )", |
| 5157 | Lang_CXX); |
| 5158 | auto *FromX = FirstDeclMatcher<NamespaceDecl>().match( |
| 5159 | FromTU, namespaceDecl(hasName("X"))); |
| 5160 | NamespaceDecl *ImportedX = Import(FromX, Lang_CXX); |
| 5161 | |
| 5162 | // There is no error set for X. |
| 5163 | EXPECT_TRUE(ImportedX); |
| 5164 | ASTImporter *Importer = findFromTU(FromX)->Importer.get(); |
| 5165 | Optional<ImportError> OptErr = Importer->getImportDeclErrorIfAny(FromX); |
| 5166 | ASSERT_FALSE(OptErr); |
| 5167 | |
| 5168 | // An error is set for f(). |
| 5169 | auto *FromF = FirstDeclMatcher<FunctionDecl>().match( |
| 5170 | FromTU, functionDecl(hasName("f"))); |
| 5171 | OptErr = Importer->getImportDeclErrorIfAny(FromF); |
| 5172 | ASSERT_TRUE(OptErr); |
| 5173 | EXPECT_EQ(OptErr->Error, ImportError::UnsupportedConstruct); |
| 5174 | // And any subsequent import should fail. |
| 5175 | FunctionDecl *ImportedF = Import(FromF, Lang_CXX); |
| 5176 | EXPECT_FALSE(ImportedF); |
| 5177 | |
| 5178 | // There is no error set for ok(). |
| 5179 | auto *FromOK = FirstDeclMatcher<FunctionDecl>().match( |
| 5180 | FromTU, functionDecl(hasName("ok"))); |
| 5181 | OptErr = Importer->getImportDeclErrorIfAny(FromOK); |
| 5182 | EXPECT_FALSE(OptErr); |
| 5183 | // And we should be able to import. |
| 5184 | FunctionDecl *ImportedOK = Import(FromOK, Lang_CXX); |
| 5185 | EXPECT_TRUE(ImportedOK); |
| 5186 | } |
| 5187 | |
Gabor Marton | 2afbfb6 | 2019-07-01 15:37:07 +0000 | [diff] [blame] | 5188 | // An error should be set for a class if it had a previous import with an error |
| 5189 | // from another TU. |
| 5190 | TEST_P(ErrorHandlingTest, |
| 5191 | ImportedDeclWithErrorShouldFailTheImportOfDeclWhichMapToIt) { |
| 5192 | // We already have a fwd decl. |
| 5193 | TranslationUnitDecl *ToTU = getToTuDecl( |
| 5194 | "class X;", Lang_CXX); |
| 5195 | // Then we import a definition. |
| 5196 | { |
| 5197 | TranslationUnitDecl *FromTU = getTuDecl(std::string(R"( |
| 5198 | class X { |
| 5199 | void f() { )") + ErroneousStmt + R"( } |
| 5200 | void ok(); |
| 5201 | }; |
| 5202 | )", |
| 5203 | Lang_CXX); |
| 5204 | auto *FromX = FirstDeclMatcher<CXXRecordDecl>().match( |
| 5205 | FromTU, cxxRecordDecl(hasName("X"))); |
| 5206 | CXXRecordDecl *ImportedX = Import(FromX, Lang_CXX); |
| 5207 | |
| 5208 | // An error is set for X ... |
| 5209 | EXPECT_FALSE(ImportedX); |
| 5210 | ASTImporter *Importer = findFromTU(FromX)->Importer.get(); |
| 5211 | Optional<ImportError> OptErr = Importer->getImportDeclErrorIfAny(FromX); |
| 5212 | ASSERT_TRUE(OptErr); |
| 5213 | EXPECT_EQ(OptErr->Error, ImportError::UnsupportedConstruct); |
| 5214 | } |
| 5215 | // ... but the node had been created. |
| 5216 | auto *ToXDef = FirstDeclMatcher<CXXRecordDecl>().match( |
| 5217 | ToTU, cxxRecordDecl(hasName("X"), isDefinition())); |
| 5218 | // An error is set for "ToXDef" in the shared state. |
| 5219 | Optional<ImportError> OptErr = |
| 5220 | SharedStatePtr->getImportDeclErrorIfAny(ToXDef); |
| 5221 | ASSERT_TRUE(OptErr); |
| 5222 | EXPECT_EQ(OptErr->Error, ImportError::UnsupportedConstruct); |
| 5223 | |
| 5224 | auto *ToXFwd = FirstDeclMatcher<CXXRecordDecl>().match( |
| 5225 | ToTU, cxxRecordDecl(hasName("X"), unless(isDefinition()))); |
| 5226 | // An error is NOT set for the fwd Decl of X in the shared state. |
| 5227 | OptErr = SharedStatePtr->getImportDeclErrorIfAny(ToXFwd); |
| 5228 | ASSERT_FALSE(OptErr); |
| 5229 | |
| 5230 | // Try to import X again but from another TU. |
| 5231 | { |
| 5232 | TranslationUnitDecl *FromTU = getTuDecl(std::string(R"( |
| 5233 | class X { |
| 5234 | void f() { )") + ErroneousStmt + R"( } |
| 5235 | void ok(); |
| 5236 | }; |
| 5237 | )", |
| 5238 | Lang_CXX, "input1.cc"); |
| 5239 | |
| 5240 | auto *FromX = FirstDeclMatcher<CXXRecordDecl>().match( |
| 5241 | FromTU, cxxRecordDecl(hasName("X"))); |
| 5242 | CXXRecordDecl *ImportedX = Import(FromX, Lang_CXX); |
| 5243 | |
| 5244 | // If we did not save the errors for the "to" context then the below checks |
| 5245 | // would fail, because the lookup finds the fwd Decl of the existing |
| 5246 | // definition in the "to" context. We can reach the existing definition via |
| 5247 | // the found fwd Decl. That existing definition is structurally equivalent |
| 5248 | // (we check only the fields) with this one we want to import, so we return |
| 5249 | // with the existing definition, which is erroneous (one method is missing). |
| 5250 | |
| 5251 | // The import should fail. |
| 5252 | EXPECT_FALSE(ImportedX); |
| 5253 | ASTImporter *Importer = findFromTU(FromX)->Importer.get(); |
| 5254 | Optional<ImportError> OptErr = Importer->getImportDeclErrorIfAny(FromX); |
| 5255 | // And an error is set for this new X in the "from" ctx. |
| 5256 | ASSERT_TRUE(OptErr); |
| 5257 | EXPECT_EQ(OptErr->Error, ImportError::UnsupportedConstruct); |
| 5258 | } |
| 5259 | } |
| 5260 | |
Balazs Keri | b4fd7d4 | 2019-08-30 10:12:14 +0000 | [diff] [blame] | 5261 | TEST_P(ErrorHandlingTest, ImportOfOverriddenMethods) { |
| 5262 | auto MatchFooA = |
| 5263 | functionDecl(hasName("foo"), hasAncestor(cxxRecordDecl(hasName("A")))); |
| 5264 | auto MatchFooB = |
| 5265 | functionDecl(hasName("foo"), hasAncestor(cxxRecordDecl(hasName("B")))); |
| 5266 | auto MatchFooC = |
| 5267 | functionDecl(hasName("foo"), hasAncestor(cxxRecordDecl(hasName("C")))); |
| 5268 | |
| 5269 | // Provoke import of a method that has overridden methods with import error. |
| 5270 | TranslationUnitDecl *FromTU = getTuDecl(std::string(R"( |
| 5271 | struct C; |
| 5272 | struct A { |
| 5273 | virtual void foo(); |
| 5274 | void f1(C *); |
| 5275 | }; |
| 5276 | void A::foo() { |
| 5277 | )") + ErroneousStmt + R"( |
| 5278 | } |
| 5279 | struct B : public A { |
| 5280 | void foo() override; |
| 5281 | }; |
| 5282 | struct C : public B { |
| 5283 | void foo() override; |
| 5284 | }; |
| 5285 | )", |
| 5286 | Lang_CXX11); |
| 5287 | auto *FromFooA = FirstDeclMatcher<FunctionDecl>().match(FromTU, MatchFooA); |
| 5288 | auto *FromFooB = FirstDeclMatcher<FunctionDecl>().match(FromTU, MatchFooB); |
| 5289 | auto *FromFooC = FirstDeclMatcher<FunctionDecl>().match(FromTU, MatchFooC); |
| 5290 | |
| 5291 | EXPECT_FALSE(Import(FromFooA, Lang_CXX11)); |
| 5292 | ASTImporter *Importer = findFromTU(FromFooA)->Importer.get(); |
| 5293 | auto CheckError = [&Importer](Decl *FromD) { |
| 5294 | Optional<ImportError> OptErr = Importer->getImportDeclErrorIfAny(FromD); |
| 5295 | ASSERT_TRUE(OptErr); |
| 5296 | EXPECT_EQ(OptErr->Error, ImportError::UnsupportedConstruct); |
| 5297 | }; |
| 5298 | CheckError(FromFooA); |
| 5299 | EXPECT_FALSE(Import(FromFooB, Lang_CXX11)); |
| 5300 | CheckError(FromFooB); |
| 5301 | EXPECT_FALSE(Import(FromFooC, Lang_CXX11)); |
| 5302 | CheckError(FromFooC); |
| 5303 | } |
| 5304 | |
Gabor Marton | e73805f | 2019-07-08 12:49:13 +0000 | [diff] [blame] | 5305 | TEST_P(ASTImporterOptionSpecificTestBase, LambdaInFunctionBody) { |
| 5306 | Decl *FromTU = getTuDecl( |
| 5307 | R"( |
| 5308 | void f() { |
| 5309 | auto L = [](){}; |
| 5310 | } |
| 5311 | )", |
| 5312 | Lang_CXX11, "input0.cc"); |
| 5313 | auto Pattern = lambdaExpr(); |
| 5314 | CXXRecordDecl *FromL = |
| 5315 | FirstDeclMatcher<LambdaExpr>().match(FromTU, Pattern)->getLambdaClass(); |
| 5316 | |
| 5317 | auto ToL = Import(FromL, Lang_CXX11); |
| 5318 | unsigned ToLSize = std::distance(ToL->decls().begin(), ToL->decls().end()); |
| 5319 | unsigned FromLSize = |
| 5320 | std::distance(FromL->decls().begin(), FromL->decls().end()); |
| 5321 | EXPECT_NE(ToLSize, 0u); |
| 5322 | EXPECT_EQ(ToLSize, FromLSize); |
| 5323 | } |
| 5324 | |
| 5325 | TEST_P(ASTImporterOptionSpecificTestBase, LambdaInFunctionParam) { |
| 5326 | Decl *FromTU = getTuDecl( |
| 5327 | R"( |
| 5328 | template <typename F> |
| 5329 | void f(F L = [](){}) {} |
| 5330 | )", |
| 5331 | Lang_CXX11, "input0.cc"); |
| 5332 | auto Pattern = lambdaExpr(); |
| 5333 | CXXRecordDecl *FromL = |
| 5334 | FirstDeclMatcher<LambdaExpr>().match(FromTU, Pattern)->getLambdaClass(); |
| 5335 | |
| 5336 | auto ToL = Import(FromL, Lang_CXX11); |
| 5337 | unsigned ToLSize = std::distance(ToL->decls().begin(), ToL->decls().end()); |
| 5338 | unsigned FromLSize = |
| 5339 | std::distance(FromL->decls().begin(), FromL->decls().end()); |
| 5340 | EXPECT_NE(ToLSize, 0u); |
| 5341 | EXPECT_EQ(ToLSize, FromLSize); |
| 5342 | } |
| 5343 | |
Gabor Marton | ae512b8 | 2019-07-17 14:40:09 +0000 | [diff] [blame] | 5344 | TEST_P(ASTImporterOptionSpecificTestBase, LambdaInGlobalScope) { |
| 5345 | Decl *FromTU = getTuDecl( |
| 5346 | R"( |
| 5347 | auto l1 = [](unsigned lp) { return 1; }; |
| 5348 | auto l2 = [](int lp) { return 2; }; |
| 5349 | int f(int p) { |
| 5350 | return l1(p) + l2(p); |
| 5351 | } |
| 5352 | )", |
| 5353 | Lang_CXX11, "input0.cc"); |
| 5354 | FunctionDecl *FromF = FirstDeclMatcher<FunctionDecl>().match( |
| 5355 | FromTU, functionDecl(hasName("f"))); |
| 5356 | FunctionDecl *ToF = Import(FromF, Lang_CXX11); |
| 5357 | EXPECT_TRUE(ToF); |
| 5358 | } |
| 5359 | |
Balazs Keri | 2e16060 | 2019-08-12 10:07:38 +0000 | [diff] [blame] | 5360 | TEST_P(ASTImporterOptionSpecificTestBase, |
| 5361 | ImportExistingFriendClassTemplateDef) { |
| 5362 | auto Code = |
| 5363 | R"( |
| 5364 | template <class T1, class T2> |
| 5365 | struct Base { |
| 5366 | template <class U1, class U2> |
| 5367 | friend struct Class; |
| 5368 | }; |
| 5369 | template <class T1, class T2> |
| 5370 | struct Class { }; |
| 5371 | )"; |
| 5372 | |
| 5373 | TranslationUnitDecl *ToTU = getToTuDecl(Code, Lang_CXX); |
| 5374 | TranslationUnitDecl *FromTU = getTuDecl(Code, Lang_CXX, "input.cc"); |
| 5375 | |
| 5376 | auto *ToClassProto = FirstDeclMatcher<ClassTemplateDecl>().match( |
| 5377 | ToTU, classTemplateDecl(hasName("Class"))); |
| 5378 | auto *ToClassDef = LastDeclMatcher<ClassTemplateDecl>().match( |
| 5379 | ToTU, classTemplateDecl(hasName("Class"))); |
| 5380 | ASSERT_FALSE(ToClassProto->isThisDeclarationADefinition()); |
| 5381 | ASSERT_TRUE(ToClassDef->isThisDeclarationADefinition()); |
| 5382 | // Previous friend decl is not linked to it! |
| 5383 | ASSERT_FALSE(ToClassDef->getPreviousDecl()); |
| 5384 | ASSERT_EQ(ToClassDef->getMostRecentDecl(), ToClassDef); |
| 5385 | ASSERT_EQ(ToClassProto->getMostRecentDecl(), ToClassProto); |
| 5386 | |
| 5387 | auto *FromClassProto = FirstDeclMatcher<ClassTemplateDecl>().match( |
| 5388 | FromTU, classTemplateDecl(hasName("Class"))); |
| 5389 | auto *FromClassDef = LastDeclMatcher<ClassTemplateDecl>().match( |
| 5390 | FromTU, classTemplateDecl(hasName("Class"))); |
| 5391 | ASSERT_FALSE(FromClassProto->isThisDeclarationADefinition()); |
| 5392 | ASSERT_TRUE(FromClassDef->isThisDeclarationADefinition()); |
| 5393 | ASSERT_FALSE(FromClassDef->getPreviousDecl()); |
| 5394 | ASSERT_EQ(FromClassDef->getMostRecentDecl(), FromClassDef); |
| 5395 | ASSERT_EQ(FromClassProto->getMostRecentDecl(), FromClassProto); |
| 5396 | |
| 5397 | auto *ImportedDef = Import(FromClassDef, Lang_CXX); |
| 5398 | // At import we should find the definition for 'Class' even if the |
| 5399 | // prototype (inside 'friend') for it comes first in the AST and is not |
| 5400 | // linked to the definition. |
| 5401 | EXPECT_EQ(ImportedDef, ToClassDef); |
Gabor Marton | f035b75 | 2019-08-27 11:36:10 +0000 | [diff] [blame] | 5402 | } |
| 5403 | |
Gabor Marton | aefcf51 | 2019-07-17 13:47:46 +0000 | [diff] [blame] | 5404 | struct LLDBLookupTest : ASTImporterOptionSpecificTestBase { |
| 5405 | LLDBLookupTest() { |
| 5406 | Creator = [](ASTContext &ToContext, FileManager &ToFileManager, |
| 5407 | ASTContext &FromContext, FileManager &FromFileManager, |
| 5408 | bool MinimalImport, |
| 5409 | const std::shared_ptr<ASTImporterSharedState> &SharedState) { |
| 5410 | return new ASTImporter(ToContext, ToFileManager, FromContext, |
| 5411 | FromFileManager, MinimalImport, |
| 5412 | // We use the regular lookup. |
| 5413 | /*SharedState=*/nullptr); |
| 5414 | }; |
| 5415 | } |
| 5416 | }; |
| 5417 | |
| 5418 | TEST_P(LLDBLookupTest, ImporterShouldFindInTransparentContext) { |
| 5419 | TranslationUnitDecl *ToTU = getToTuDecl( |
| 5420 | R"( |
| 5421 | extern "C" { |
| 5422 | class X{}; |
| 5423 | }; |
| 5424 | )", |
| 5425 | Lang_CXX); |
| 5426 | auto *ToX = FirstDeclMatcher<CXXRecordDecl>().match( |
| 5427 | ToTU, cxxRecordDecl(hasName("X"))); |
| 5428 | |
| 5429 | // Set up a stub external storage. |
| 5430 | ToTU->setHasExternalLexicalStorage(true); |
| 5431 | // Set up DeclContextBits.HasLazyExternalLexicalLookups to true. |
| 5432 | ToTU->setMustBuildLookupTable(); |
| 5433 | struct TestExternalASTSource : ExternalASTSource {}; |
| 5434 | ToTU->getASTContext().setExternalSource(new TestExternalASTSource()); |
| 5435 | |
| 5436 | Decl *FromTU = getTuDecl( |
| 5437 | R"( |
| 5438 | class X; |
| 5439 | )", |
| 5440 | Lang_CXX); |
| 5441 | auto *FromX = FirstDeclMatcher<CXXRecordDecl>().match( |
| 5442 | FromTU, cxxRecordDecl(hasName("X"))); |
| 5443 | auto *ImportedX = Import(FromX, Lang_CXX); |
| 5444 | // The lookup must find the existing class definition in the LinkageSpecDecl. |
| 5445 | // Then the importer renders the existing and the new decl into one chain. |
| 5446 | EXPECT_EQ(ImportedX->getCanonicalDecl(), ToX->getCanonicalDecl()); |
| 5447 | } |
| 5448 | |
Richard Sandiford | eb485fb | 2019-08-09 08:52:54 +0000 | [diff] [blame] | 5449 | struct SVEBuiltins : ASTImporterOptionSpecificTestBase {}; |
| 5450 | |
| 5451 | TEST_P(SVEBuiltins, ImportTypes) { |
| 5452 | static const char *const TypeNames[] = { |
| 5453 | "__SVInt8_t", |
| 5454 | "__SVInt16_t", |
| 5455 | "__SVInt32_t", |
| 5456 | "__SVInt64_t", |
| 5457 | "__SVUint8_t", |
| 5458 | "__SVUint16_t", |
| 5459 | "__SVUint32_t", |
| 5460 | "__SVUint64_t", |
| 5461 | "__SVFloat16_t", |
| 5462 | "__SVFloat32_t", |
| 5463 | "__SVFloat64_t", |
| 5464 | "__SVBool_t" |
| 5465 | }; |
| 5466 | |
| 5467 | TranslationUnitDecl *ToTU = getToTuDecl("", Lang_CXX); |
| 5468 | TranslationUnitDecl *FromTU = getTuDecl("", Lang_CXX, "input.cc"); |
| 5469 | for (auto *TypeName : TypeNames) { |
| 5470 | auto *ToTypedef = FirstDeclMatcher<TypedefDecl>().match( |
| 5471 | ToTU, typedefDecl(hasName(TypeName))); |
| 5472 | QualType ToType = ToTypedef->getUnderlyingType(); |
| 5473 | |
| 5474 | auto *FromTypedef = FirstDeclMatcher<TypedefDecl>().match( |
| 5475 | FromTU, typedefDecl(hasName(TypeName))); |
| 5476 | QualType FromType = FromTypedef->getUnderlyingType(); |
| 5477 | |
| 5478 | QualType ImportedType = ImportType(FromType, FromTypedef, Lang_CXX); |
| 5479 | EXPECT_EQ(ImportedType, ToType); |
| 5480 | } |
| 5481 | } |
| 5482 | |
Balazs Keri | b427c06 | 2019-08-13 08:04:06 +0000 | [diff] [blame] | 5483 | TEST_P(ASTImporterOptionSpecificTestBase, ImportOfDefaultImplicitFunctions) { |
| 5484 | // Test that import of implicit functions works and the functions |
| 5485 | // are merged into one chain. |
| 5486 | auto GetDeclToImport = [this](StringRef File) { |
| 5487 | Decl *FromTU = getTuDecl( |
| 5488 | R"( |
| 5489 | struct X { }; |
| 5490 | // Force generating some implicit operator definitions for X. |
| 5491 | void f() { X x1, x2; x1 = x2; X *x3 = new X; delete x3; } |
| 5492 | )", |
| 5493 | Lang_CXX11, File); |
| 5494 | auto *FromD = FirstDeclMatcher<CXXRecordDecl>().match( |
| 5495 | FromTU, cxxRecordDecl(hasName("X"), unless(isImplicit()))); |
| 5496 | // Destructor is picked as one example of implicit function. |
| 5497 | return FromD->getDestructor(); |
| 5498 | }; |
| 5499 | |
| 5500 | auto *ToD1 = Import(GetDeclToImport("input1.cc"), Lang_CXX11); |
| 5501 | ASSERT_TRUE(ToD1); |
| 5502 | |
| 5503 | auto *ToD2 = Import(GetDeclToImport("input2.cc"), Lang_CXX11); |
| 5504 | ASSERT_TRUE(ToD2); |
| 5505 | |
| 5506 | EXPECT_EQ(ToD1->getCanonicalDecl(), ToD2->getCanonicalDecl()); |
| 5507 | } |
| 5508 | |
| 5509 | TEST_P(ASTImporterOptionSpecificTestBase, |
| 5510 | ImportOfExplicitlyDefaultedOrDeleted) { |
| 5511 | Decl *FromTU = getTuDecl( |
| 5512 | R"( |
| 5513 | struct X { X() = default; X(const X&) = delete; }; |
| 5514 | )", |
| 5515 | Lang_CXX11); |
| 5516 | auto *FromX = FirstDeclMatcher<CXXRecordDecl>().match( |
| 5517 | FromTU, cxxRecordDecl(hasName("X"))); |
| 5518 | auto *ImportedX = Import(FromX, Lang_CXX11); |
| 5519 | auto *Constr1 = FirstDeclMatcher<CXXConstructorDecl>().match( |
| 5520 | ImportedX, cxxConstructorDecl(hasName("X"), unless(isImplicit()))); |
| 5521 | auto *Constr2 = LastDeclMatcher<CXXConstructorDecl>().match( |
| 5522 | ImportedX, cxxConstructorDecl(hasName("X"), unless(isImplicit()))); |
| 5523 | |
| 5524 | ASSERT_TRUE(ImportedX); |
| 5525 | EXPECT_TRUE(Constr1->isDefaulted()); |
| 5526 | EXPECT_TRUE(Constr1->isExplicitlyDefaulted()); |
| 5527 | EXPECT_TRUE(Constr2->isDeletedAsWritten()); |
| 5528 | EXPECT_EQ(ImportedX->isAggregate(), FromX->isAggregate()); |
| 5529 | } |
| 5530 | |
Richard Sandiford | eb485fb | 2019-08-09 08:52:54 +0000 | [diff] [blame] | 5531 | INSTANTIATE_TEST_CASE_P(ParameterizedTests, SVEBuiltins, |
| 5532 | ::testing::Values(ArgVector{"-target", |
| 5533 | "aarch64-linux-gnu"}), ); |
| 5534 | |
Gabor Marton | f035b75 | 2019-08-27 11:36:10 +0000 | [diff] [blame] | 5535 | INSTANTIATE_TEST_CASE_P(ParameterizedTests, DeclContextTest, |
| 5536 | ::testing::Values(ArgVector()), ); |
| 5537 | |
| 5538 | INSTANTIATE_TEST_CASE_P(ParameterizedTests, CanonicalRedeclChain, |
| 5539 | ::testing::Values(ArgVector()), ); |
| 5540 | |
Gabor Marton | e3e83d7 | 2019-08-30 10:55:41 +0000 | [diff] [blame] | 5541 | TEST_P(ASTImporterOptionSpecificTestBase, LambdasAreDifferentiated) { |
| 5542 | Decl *FromTU = getTuDecl( |
| 5543 | R"( |
| 5544 | void f() { |
| 5545 | auto L0 = [](){}; |
| 5546 | auto L1 = [](){}; |
| 5547 | } |
| 5548 | )", |
| 5549 | Lang_CXX11, "input0.cc"); |
| 5550 | auto Pattern = lambdaExpr(); |
| 5551 | CXXRecordDecl *FromL0 = |
| 5552 | FirstDeclMatcher<LambdaExpr>().match(FromTU, Pattern)->getLambdaClass(); |
| 5553 | CXXRecordDecl *FromL1 = |
| 5554 | LastDeclMatcher<LambdaExpr>().match(FromTU, Pattern)->getLambdaClass(); |
| 5555 | ASSERT_NE(FromL0, FromL1); |
| 5556 | |
| 5557 | CXXRecordDecl *ToL0 = Import(FromL0, Lang_CXX11); |
| 5558 | CXXRecordDecl *ToL1 = Import(FromL1, Lang_CXX11); |
| 5559 | EXPECT_NE(ToL0, ToL1); |
| 5560 | } |
| 5561 | |
| 5562 | TEST_P(ASTImporterOptionSpecificTestBase, |
| 5563 | LambdasInFunctionParamsAreDifferentiated) { |
| 5564 | Decl *FromTU = getTuDecl( |
| 5565 | R"( |
| 5566 | template <typename F0, typename F1> |
| 5567 | void f(F0 L0 = [](){}, F1 L1 = [](){}) {} |
| 5568 | )", |
| 5569 | Lang_CXX11, "input0.cc"); |
| 5570 | auto Pattern = cxxRecordDecl(isLambda()); |
| 5571 | CXXRecordDecl *FromL0 = |
| 5572 | FirstDeclMatcher<CXXRecordDecl>().match(FromTU, Pattern); |
| 5573 | CXXRecordDecl *FromL1 = |
| 5574 | LastDeclMatcher<CXXRecordDecl>().match(FromTU, Pattern); |
| 5575 | ASSERT_NE(FromL0, FromL1); |
| 5576 | |
| 5577 | CXXRecordDecl *ToL0 = Import(FromL0, Lang_CXX11); |
| 5578 | CXXRecordDecl *ToL1 = Import(FromL1, Lang_CXX11); |
| 5579 | ASSERT_NE(ToL0, ToL1); |
| 5580 | } |
| 5581 | |
| 5582 | TEST_P(ASTImporterOptionSpecificTestBase, |
| 5583 | LambdasInFunctionParamsAreDifferentiatedWhenMacroIsUsed) { |
| 5584 | Decl *FromTU = getTuDecl( |
| 5585 | R"( |
| 5586 | #define LAMBDA [](){} |
| 5587 | template <typename F0, typename F1> |
| 5588 | void f(F0 L0 = LAMBDA, F1 L1 = LAMBDA) {} |
| 5589 | )", |
| 5590 | Lang_CXX11, "input0.cc"); |
| 5591 | auto Pattern = cxxRecordDecl(isLambda()); |
| 5592 | CXXRecordDecl *FromL0 = |
| 5593 | FirstDeclMatcher<CXXRecordDecl>().match(FromTU, Pattern); |
| 5594 | CXXRecordDecl *FromL1 = |
| 5595 | LastDeclMatcher<CXXRecordDecl>().match(FromTU, Pattern); |
| 5596 | ASSERT_NE(FromL0, FromL1); |
| 5597 | |
| 5598 | Import(FromL0, Lang_CXX11); |
| 5599 | Import(FromL1, Lang_CXX11); |
| 5600 | CXXRecordDecl *ToL0 = Import(FromL0, Lang_CXX11); |
| 5601 | CXXRecordDecl *ToL1 = Import(FromL1, Lang_CXX11); |
| 5602 | ASSERT_NE(ToL0, ToL1); |
| 5603 | } |
| 5604 | |
| 5605 | TEST_P(ASTImporterOptionSpecificTestBase, ImportAssignedLambda) { |
| 5606 | Decl *FromTU = getTuDecl( |
| 5607 | R"( |
| 5608 | void f() { |
| 5609 | auto x = []{} = {}; auto x2 = x; |
| 5610 | } |
| 5611 | )", |
| 5612 | Lang_CXX2a, "input0.cc"); |
| 5613 | auto FromF = FirstDeclMatcher<FunctionDecl>().match( |
| 5614 | FromTU, functionDecl(hasName("f"))); |
| 5615 | // We have only one lambda class. |
| 5616 | ASSERT_EQ( |
| 5617 | DeclCounter<CXXRecordDecl>().match(FromTU, cxxRecordDecl(isLambda())), |
| 5618 | 1u); |
| 5619 | |
| 5620 | FunctionDecl *ToF = Import(FromF, Lang_CXX2a); |
| 5621 | EXPECT_TRUE(ToF); |
| 5622 | TranslationUnitDecl *ToTU = ToAST->getASTContext().getTranslationUnitDecl(); |
| 5623 | // We have only one lambda class after the import. |
| 5624 | EXPECT_EQ(DeclCounter<CXXRecordDecl>().match(ToTU, cxxRecordDecl(isLambda())), |
| 5625 | 1u); |
| 5626 | } |
| 5627 | |
| 5628 | TEST_P(ASTImporterOptionSpecificTestBase, ImportDefaultConstructibleLambdas) { |
| 5629 | Decl *FromTU = getTuDecl( |
| 5630 | R"( |
| 5631 | void f() { |
| 5632 | auto x = []{} = {}; |
| 5633 | auto xb = []{} = {}; |
| 5634 | } |
| 5635 | )", |
| 5636 | Lang_CXX2a, "input0.cc"); |
| 5637 | auto FromF = FirstDeclMatcher<FunctionDecl>().match( |
| 5638 | FromTU, functionDecl(hasName("f"))); |
| 5639 | // We have two lambda classes. |
| 5640 | ASSERT_EQ( |
| 5641 | DeclCounter<CXXRecordDecl>().match(FromTU, cxxRecordDecl(isLambda())), |
| 5642 | 2u); |
| 5643 | |
| 5644 | FunctionDecl *ToF = Import(FromF, Lang_CXX2a); |
| 5645 | EXPECT_TRUE(ToF); |
| 5646 | TranslationUnitDecl *ToTU = ToAST->getASTContext().getTranslationUnitDecl(); |
| 5647 | // We have two lambda classes after the import. |
| 5648 | EXPECT_EQ(DeclCounter<CXXRecordDecl>().match(ToTU, cxxRecordDecl(isLambda())), |
| 5649 | 2u); |
| 5650 | } |
| 5651 | |
Raphael Isemann | 164e0fc | 2019-12-06 18:10:23 +0100 | [diff] [blame] | 5652 | TEST_P(ASTImporterOptionSpecificTestBase, ImplicitlyDeclareSelf) { |
| 5653 | Decl *FromTU = getTuDecl(R"( |
| 5654 | __attribute__((objc_root_class)) |
| 5655 | @interface Root |
| 5656 | @end |
| 5657 | @interface C : Root |
| 5658 | -(void)method; |
| 5659 | @end |
| 5660 | @implementation C |
| 5661 | -(void)method {} |
| 5662 | @end |
| 5663 | )", |
| 5664 | Lang_OBJCXX, "input.mm"); |
| 5665 | auto *FromMethod = LastDeclMatcher<ObjCMethodDecl>().match( |
| 5666 | FromTU, namedDecl(hasName("method"))); |
| 5667 | ASSERT_TRUE(FromMethod); |
| 5668 | auto ToMethod = Import(FromMethod, Lang_OBJCXX); |
| 5669 | ASSERT_TRUE(ToMethod); |
| 5670 | |
| 5671 | // Both methods should have their implicit parameters. |
| 5672 | EXPECT_TRUE(FromMethod->getSelfDecl() != nullptr); |
| 5673 | EXPECT_TRUE(ToMethod->getSelfDecl() != nullptr); |
| 5674 | } |
| 5675 | |
Gabor Marton | 25234fd | 2019-12-12 17:13:35 +0100 | [diff] [blame] | 5676 | struct ImportAutoFunctions : ASTImporterOptionSpecificTestBase {}; |
| 5677 | |
| 5678 | TEST_P(ImportAutoFunctions, ReturnWithTypedefDeclaredInside) { |
| 5679 | Decl *FromTU = getTuDecl( |
| 5680 | R"( |
| 5681 | auto X = [](long l) { |
| 5682 | using int_type = long; |
| 5683 | auto dur = 13; |
| 5684 | return static_cast<int_type>(dur); |
| 5685 | }; |
| 5686 | )", |
| 5687 | Lang_CXX14, "input0.cc"); |
| 5688 | CXXMethodDecl *From = |
| 5689 | FirstDeclMatcher<CXXMethodDecl>().match(FromTU, cxxMethodDecl()); |
| 5690 | |
| 5691 | // Explicitly set the return type of the lambda's operator() to the TypeAlias. |
| 5692 | // Normally the return type would be the built-in 'long' type. However, there |
| 5693 | // are cases when Clang does not use the canonical type and the TypeAlias is |
| 5694 | // used. I could not create such an AST from regular source code, it requires |
| 5695 | // some special state in the preprocessor. I've found such an AST when Clang |
| 5696 | // parsed libcxx/src/filesystem/directory_iterator.cpp, but could not reduce |
| 5697 | // that with creduce, because after preprocessing, the AST no longer |
| 5698 | // contained the TypeAlias as a return type of the lambda. |
| 5699 | ASTContext &Ctx = From->getASTContext(); |
| 5700 | TypeAliasDecl *FromTA = |
| 5701 | FirstDeclMatcher<TypeAliasDecl>().match(FromTU, typeAliasDecl()); |
| 5702 | QualType TT = Ctx.getTypedefType(FromTA); |
| 5703 | const FunctionProtoType *FPT = cast<FunctionProtoType>(From->getType()); |
| 5704 | QualType NewFunType = |
| 5705 | Ctx.getFunctionType(TT, FPT->getParamTypes(), FPT->getExtProtoInfo()); |
| 5706 | From->setType(NewFunType); |
| 5707 | |
| 5708 | CXXMethodDecl *To = Import(From, Lang_CXX14); |
| 5709 | EXPECT_TRUE(To); |
| 5710 | EXPECT_TRUE(isa<TypedefType>(To->getReturnType())); |
| 5711 | } |
| 5712 | |
| 5713 | TEST_P(ImportAutoFunctions, ReturnWithStructDeclaredInside) { |
| 5714 | Decl *FromTU = getTuDecl( |
| 5715 | R"( |
| 5716 | auto foo() { |
| 5717 | struct X {}; |
| 5718 | return X(); |
| 5719 | } |
| 5720 | )", |
| 5721 | Lang_CXX14, "input0.cc"); |
| 5722 | FunctionDecl *From = |
| 5723 | FirstDeclMatcher<FunctionDecl>().match(FromTU, functionDecl()); |
| 5724 | |
| 5725 | FunctionDecl *To = Import(From, Lang_CXX14); |
| 5726 | EXPECT_TRUE(To); |
| 5727 | EXPECT_TRUE(isa<AutoType>(To->getReturnType())); |
| 5728 | } |
| 5729 | |
| 5730 | TEST_P(ImportAutoFunctions, ReturnWithStructDeclaredInside2) { |
| 5731 | Decl *FromTU = getTuDecl( |
| 5732 | R"( |
| 5733 | auto foo() { |
| 5734 | struct X {}; |
| 5735 | return X(); |
| 5736 | } |
| 5737 | )", |
| 5738 | Lang_CXX14, "input0.cc"); |
| 5739 | FunctionDecl *From = |
| 5740 | FirstDeclMatcher<FunctionDecl>().match(FromTU, functionDecl()); |
| 5741 | |
| 5742 | // This time import the type directly. |
| 5743 | QualType ToT = ImportType(From->getType(), From, Lang_CXX14); |
| 5744 | const FunctionProtoType *FPT = cast<FunctionProtoType>(ToT); |
| 5745 | EXPECT_TRUE(isa<AutoType>(FPT->getReturnType())); |
| 5746 | } |
| 5747 | |
| 5748 | TEST_P(ImportAutoFunctions, ReturnWithTypedefToStructDeclaredInside) { |
| 5749 | Decl *FromTU = getTuDecl( |
| 5750 | R"( |
| 5751 | auto foo() { |
| 5752 | struct X {}; |
| 5753 | using Y = X; |
| 5754 | return Y(); |
| 5755 | } |
| 5756 | )", |
| 5757 | Lang_CXX14, "input0.cc"); |
| 5758 | FunctionDecl *From = |
| 5759 | FirstDeclMatcher<FunctionDecl>().match(FromTU, functionDecl()); |
| 5760 | |
| 5761 | FunctionDecl *To = Import(From, Lang_CXX14); |
| 5762 | EXPECT_TRUE(To); |
| 5763 | EXPECT_TRUE(isa<AutoType>(To->getReturnType())); |
| 5764 | } |
| 5765 | |
| 5766 | TEST_P(ImportAutoFunctions, ReturnWithStructDeclaredNestedInside) { |
| 5767 | Decl *FromTU = getTuDecl( |
| 5768 | R"( |
| 5769 | auto foo() { |
| 5770 | struct X { struct Y{}; }; |
| 5771 | return X::Y(); |
| 5772 | } |
| 5773 | )", |
| 5774 | Lang_CXX14, "input0.cc"); |
| 5775 | FunctionDecl *From = |
| 5776 | FirstDeclMatcher<FunctionDecl>().match(FromTU, functionDecl()); |
| 5777 | |
| 5778 | FunctionDecl *To = Import(From, Lang_CXX14); |
| 5779 | EXPECT_TRUE(To); |
| 5780 | EXPECT_TRUE(isa<AutoType>(To->getReturnType())); |
| 5781 | } |
| 5782 | |
| 5783 | TEST_P(ImportAutoFunctions, ReturnWithInternalLambdaType) { |
| 5784 | Decl *FromTU = getTuDecl( |
| 5785 | R"( |
| 5786 | auto f() { |
| 5787 | auto l = []() { |
| 5788 | struct X {}; |
| 5789 | return X(); |
| 5790 | }; |
| 5791 | return l(); |
| 5792 | } |
| 5793 | )", |
| 5794 | Lang_CXX17, "input0.cc"); |
| 5795 | FunctionDecl *From = FirstDeclMatcher<FunctionDecl>().match( |
| 5796 | FromTU, functionDecl(hasName("f"))); |
| 5797 | |
| 5798 | FunctionDecl *To = Import(From, Lang_CXX17); |
| 5799 | EXPECT_TRUE(To); |
| 5800 | EXPECT_TRUE(isa<AutoType>(To->getReturnType())); |
| 5801 | } |
| 5802 | |
| 5803 | TEST_P(ImportAutoFunctions, ReturnWithTypeInIf) { |
| 5804 | Decl *FromTU = getTuDecl( |
| 5805 | R"( |
| 5806 | auto f() { |
| 5807 | if (struct X {} x; true) |
| 5808 | return X(); |
| 5809 | else |
| 5810 | return X(); |
| 5811 | } |
| 5812 | )", |
| 5813 | Lang_CXX17, "input0.cc"); |
| 5814 | FunctionDecl *From = FirstDeclMatcher<FunctionDecl>().match( |
| 5815 | FromTU, functionDecl(hasName("f"))); |
| 5816 | |
| 5817 | FunctionDecl *To = Import(From, Lang_CXX17); |
| 5818 | EXPECT_TRUE(To); |
| 5819 | EXPECT_TRUE(isa<AutoType>(To->getReturnType())); |
| 5820 | } |
| 5821 | |
| 5822 | TEST_P(ImportAutoFunctions, ReturnWithTypeInFor) { |
| 5823 | Decl *FromTU = getTuDecl( |
| 5824 | R"( |
| 5825 | auto f() { |
| 5826 | for (struct X {} x;;) |
| 5827 | return X(); |
| 5828 | } |
| 5829 | )", |
| 5830 | Lang_CXX17, "input0.cc"); |
| 5831 | FunctionDecl *From = FirstDeclMatcher<FunctionDecl>().match( |
| 5832 | FromTU, functionDecl(hasName("f"))); |
| 5833 | |
| 5834 | FunctionDecl *To = Import(From, Lang_CXX17); |
| 5835 | EXPECT_TRUE(To); |
| 5836 | EXPECT_TRUE(isa<AutoType>(To->getReturnType())); |
| 5837 | } |
| 5838 | |
| 5839 | TEST_P(ImportAutoFunctions, ReturnWithTypeInSwitch) { |
| 5840 | Decl *FromTU = getTuDecl( |
| 5841 | R"( |
| 5842 | auto f() { |
| 5843 | switch (struct X {} x; 10) { |
| 5844 | case 10: |
| 5845 | return X(); |
| 5846 | } |
| 5847 | } |
| 5848 | )", |
| 5849 | Lang_CXX17, "input0.cc"); |
| 5850 | FunctionDecl *From = FirstDeclMatcher<FunctionDecl>().match( |
| 5851 | FromTU, functionDecl(hasName("f"))); |
| 5852 | |
| 5853 | FunctionDecl *To = Import(From, Lang_CXX17); |
| 5854 | EXPECT_TRUE(To); |
| 5855 | EXPECT_TRUE(isa<AutoType>(To->getReturnType())); |
| 5856 | } |
| 5857 | |
Raphael Isemann | a37734f | 2020-02-17 19:43:33 +0100 | [diff] [blame] | 5858 | struct ImportSourceLocations : ASTImporterOptionSpecificTestBase {}; |
| 5859 | |
| 5860 | TEST_P(ImportSourceLocations, PreserveFileIDTreeStructure) { |
| 5861 | // Tests that the FileID tree structure (with the links being the include |
| 5862 | // chains) is preserved while importing other files (which need to be |
| 5863 | // added to this structure with fake include locations. |
| 5864 | |
| 5865 | SourceLocation Location1; |
| 5866 | { |
| 5867 | auto Pattern = varDecl(hasName("X")); |
| 5868 | Decl *FromTU = getTuDecl("int X;", Lang_C, "input0.c"); |
| 5869 | auto *FromD = FirstDeclMatcher<VarDecl>().match(FromTU, Pattern); |
| 5870 | |
| 5871 | Location1 = Import(FromD, Lang_C)->getLocation(); |
| 5872 | } |
| 5873 | SourceLocation Location2; |
| 5874 | { |
| 5875 | auto Pattern = varDecl(hasName("Y")); |
| 5876 | Decl *FromTU = getTuDecl("int Y;", Lang_C, "input1.c"); |
| 5877 | auto *FromD = FirstDeclMatcher<VarDecl>().match(FromTU, Pattern); |
| 5878 | |
| 5879 | Location2 = Import(FromD, Lang_C)->getLocation(); |
| 5880 | } |
| 5881 | |
| 5882 | SourceManager &ToSM = ToAST->getSourceManager(); |
| 5883 | FileID FileID1 = ToSM.getFileID(Location1); |
| 5884 | FileID FileID2 = ToSM.getFileID(Location2); |
| 5885 | |
| 5886 | // Check that the imported files look like as if they were included from the |
| 5887 | // start of the main file. |
| 5888 | SourceLocation FileStart = ToSM.getLocForStartOfFile(ToSM.getMainFileID()); |
| 5889 | EXPECT_NE(FileID1, ToSM.getMainFileID()); |
| 5890 | EXPECT_NE(FileID2, ToSM.getMainFileID()); |
| 5891 | EXPECT_EQ(ToSM.getIncludeLoc(FileID1), FileStart); |
| 5892 | EXPECT_EQ(ToSM.getIncludeLoc(FileID2), FileStart); |
| 5893 | |
| 5894 | // Let the SourceManager check the order of the locations. The order should |
| 5895 | // be the order in which the declarations are imported. |
| 5896 | EXPECT_TRUE(ToSM.isBeforeInTranslationUnit(Location1, Location2)); |
| 5897 | EXPECT_FALSE(ToSM.isBeforeInTranslationUnit(Location2, Location1)); |
| 5898 | } |
| 5899 | |
Raphael Isemann | 9f1e81f | 2020-04-27 10:06:56 +0200 | [diff] [blame] | 5900 | TEST_P(ImportSourceLocations, NormalFileBuffer) { |
| 5901 | // Test importing normal file buffers. |
| 5902 | |
| 5903 | std::string Path = "input0.c"; |
| 5904 | std::string Source = "int X;"; |
| 5905 | TranslationUnitDecl *FromTU = getTuDecl(Source, Lang_C, Path); |
| 5906 | |
| 5907 | SourceLocation ImportedLoc; |
| 5908 | { |
| 5909 | // Import the VarDecl to trigger the importing of the FileID. |
| 5910 | auto Pattern = varDecl(hasName("X")); |
| 5911 | VarDecl *FromD = FirstDeclMatcher<VarDecl>().match(FromTU, Pattern); |
| 5912 | ImportedLoc = Import(FromD, Lang_C)->getLocation(); |
| 5913 | } |
| 5914 | |
| 5915 | // Make sure the imported buffer has the original contents. |
| 5916 | SourceManager &ToSM = ToAST->getSourceManager(); |
| 5917 | FileID ImportedID = ToSM.getFileID(ImportedLoc); |
| 5918 | EXPECT_EQ(Source, ToSM.getBuffer(ImportedID, SourceLocation())->getBuffer()); |
| 5919 | } |
| 5920 | |
| 5921 | TEST_P(ImportSourceLocations, OverwrittenFileBuffer) { |
| 5922 | // Test importing overwritten file buffers. |
| 5923 | |
| 5924 | std::string Path = "input0.c"; |
| 5925 | TranslationUnitDecl *FromTU = getTuDecl("int X;", Lang_C, Path); |
| 5926 | |
| 5927 | // Overwrite the file buffer for our input file with new content. |
| 5928 | const std::string Contents = "overwritten contents"; |
| 5929 | SourceLocation ImportedLoc; |
| 5930 | { |
| 5931 | SourceManager &FromSM = FromTU->getASTContext().getSourceManager(); |
| 5932 | clang::FileManager &FM = FromSM.getFileManager(); |
| 5933 | const clang::FileEntry &FE = |
| 5934 | *FM.getVirtualFile(Path, static_cast<off_t>(Contents.size()), 0); |
| 5935 | |
| 5936 | llvm::SmallVector<char, 64> Buffer; |
| 5937 | Buffer.append(Contents.begin(), Contents.end()); |
| 5938 | auto FileContents = |
| 5939 | std::make_unique<llvm::SmallVectorMemoryBuffer>(std::move(Buffer), Path); |
| 5940 | FromSM.overrideFileContents(&FE, std::move(FileContents)); |
| 5941 | |
| 5942 | // Import the VarDecl to trigger the importing of the FileID. |
| 5943 | auto Pattern = varDecl(hasName("X")); |
| 5944 | VarDecl *FromD = FirstDeclMatcher<VarDecl>().match(FromTU, Pattern); |
| 5945 | ImportedLoc = Import(FromD, Lang_C)->getLocation(); |
| 5946 | } |
| 5947 | |
| 5948 | // Make sure the imported buffer has the overwritten contents. |
| 5949 | SourceManager &ToSM = ToAST->getSourceManager(); |
| 5950 | FileID ImportedID = ToSM.getFileID(ImportedLoc); |
| 5951 | EXPECT_EQ(Contents, |
| 5952 | ToSM.getBuffer(ImportedID, SourceLocation())->getBuffer()); |
| 5953 | } |
| 5954 | |
Balázs Kéri | b17f292 | 2020-02-28 08:32:32 +0100 | [diff] [blame] | 5955 | TEST_P(ASTImporterOptionSpecificTestBase, ImportExprOfAlignmentAttr) { |
| 5956 | // Test if import of these packed and aligned attributes does not trigger an |
| 5957 | // error situation where source location from 'From' context is referenced in |
| 5958 | // 'To' context through evaluation of the alignof attribute. |
| 5959 | // This happens if the 'alignof(A)' expression is not imported correctly. |
| 5960 | Decl *FromTU = getTuDecl( |
| 5961 | R"( |
| 5962 | struct __attribute__((packed)) A { int __attribute__((aligned(8))) X; }; |
| 5963 | struct alignas(alignof(A)) S {}; |
| 5964 | )", |
| 5965 | Lang_CXX11, "input.cc"); |
| 5966 | auto *FromD = FirstDeclMatcher<CXXRecordDecl>().match( |
| 5967 | FromTU, cxxRecordDecl(hasName("S"), unless(isImplicit()))); |
| 5968 | ASSERT_TRUE(FromD); |
| 5969 | |
| 5970 | auto *ToD = Import(FromD, Lang_CXX11); |
| 5971 | ASSERT_TRUE(ToD); |
| 5972 | |
| 5973 | auto *FromAttr = FromD->getAttr<AlignedAttr>(); |
| 5974 | auto *ToAttr = ToD->getAttr<AlignedAttr>(); |
| 5975 | EXPECT_EQ(FromAttr->isInherited(), ToAttr->isInherited()); |
| 5976 | EXPECT_EQ(FromAttr->isPackExpansion(), ToAttr->isPackExpansion()); |
| 5977 | EXPECT_EQ(FromAttr->isImplicit(), ToAttr->isImplicit()); |
| 5978 | EXPECT_EQ(FromAttr->getSyntax(), ToAttr->getSyntax()); |
| 5979 | EXPECT_EQ(FromAttr->getSemanticSpelling(), ToAttr->getSemanticSpelling()); |
| 5980 | EXPECT_TRUE(ToAttr->getAlignmentExpr()); |
| 5981 | |
| 5982 | auto *ToA = FirstDeclMatcher<CXXRecordDecl>().match( |
| 5983 | ToD->getTranslationUnitDecl(), |
| 5984 | cxxRecordDecl(hasName("A"), unless(isImplicit()))); |
| 5985 | // Ensure that 'struct A' was imported (through reference from attribute of |
| 5986 | // 'S'). |
| 5987 | EXPECT_TRUE(ToA); |
| 5988 | } |
| 5989 | |
Vince Bridgers | 789215d | 2020-04-06 08:22:35 -0500 | [diff] [blame] | 5990 | template <typename T> |
| 5991 | auto ExtendWithOptions(const T &Values, const ArgVector &Args) { |
| 5992 | auto Copy = Values; |
| 5993 | for (ArgVector &ArgV : Copy) { |
| 5994 | for (const std::string &Arg : Args) { |
| 5995 | ArgV.push_back(Arg); |
| 5996 | } |
| 5997 | } |
| 5998 | return ::testing::ValuesIn(Copy); |
| 5999 | } |
| 6000 | |
shafik | def7c7f | 2020-04-23 15:16:34 -0700 | [diff] [blame] | 6001 | struct ImportWithExternalSource : ASTImporterOptionSpecificTestBase { |
| 6002 | ImportWithExternalSource() { |
| 6003 | Creator = [](ASTContext &ToContext, FileManager &ToFileManager, |
| 6004 | ASTContext &FromContext, FileManager &FromFileManager, |
| 6005 | bool MinimalImport, |
| 6006 | const std::shared_ptr<ASTImporterSharedState> &SharedState) { |
| 6007 | return new ASTImporter(ToContext, ToFileManager, FromContext, |
| 6008 | FromFileManager, MinimalImport, |
| 6009 | // We use the regular lookup. |
| 6010 | /*SharedState=*/nullptr); |
| 6011 | }; |
| 6012 | } |
| 6013 | }; |
| 6014 | |
| 6015 | /// An ExternalASTSource that keeps track of the tags is completed. |
| 6016 | struct SourceWithCompletedTagList : clang::ExternalASTSource { |
| 6017 | std::vector<clang::TagDecl *> &CompletedTags; |
| 6018 | SourceWithCompletedTagList(std::vector<clang::TagDecl *> &CompletedTags) |
| 6019 | : CompletedTags(CompletedTags) {} |
| 6020 | void CompleteType(TagDecl *Tag) override { |
| 6021 | auto *Record = cast<CXXRecordDecl>(Tag); |
| 6022 | Record->startDefinition(); |
| 6023 | Record->completeDefinition(); |
| 6024 | CompletedTags.push_back(Tag); |
| 6025 | } |
shafik | def7c7f | 2020-04-23 15:16:34 -0700 | [diff] [blame] | 6026 | }; |
| 6027 | |
| 6028 | TEST_P(ImportWithExternalSource, CompleteRecordBeforeImporting) { |
| 6029 | // Create an empty TU. |
| 6030 | TranslationUnitDecl *FromTU = getTuDecl("", Lang_CXX, "input.cpp"); |
| 6031 | |
| 6032 | // Create and add the test ExternalASTSource. |
| 6033 | std::vector<clang::TagDecl *> CompletedTags; |
| 6034 | IntrusiveRefCntPtr<ExternalASTSource> source = |
| 6035 | new SourceWithCompletedTagList(CompletedTags); |
| 6036 | clang::ASTContext &Context = FromTU->getASTContext(); |
| 6037 | Context.setExternalSource(std::move(source)); |
| 6038 | |
| 6039 | // Create a dummy class by hand with external lexical storage. |
| 6040 | IdentifierInfo &Ident = Context.Idents.get("test_class"); |
| 6041 | auto *Record = CXXRecordDecl::Create( |
| 6042 | Context, TTK_Class, FromTU, SourceLocation(), SourceLocation(), &Ident); |
| 6043 | Record->setHasExternalLexicalStorage(); |
| 6044 | FromTU->addDecl(Record); |
| 6045 | |
| 6046 | // Do a minimal import of the created class. |
| 6047 | EXPECT_EQ(0U, CompletedTags.size()); |
| 6048 | Import(Record, Lang_CXX); |
| 6049 | EXPECT_EQ(0U, CompletedTags.size()); |
| 6050 | |
| 6051 | // Import the definition of the created class. |
| 6052 | llvm::Error Err = findFromTU(Record)->Importer->ImportDefinition(Record); |
| 6053 | EXPECT_FALSE((bool)Err); |
| 6054 | consumeError(std::move(Err)); |
| 6055 | |
| 6056 | // Make sure the class was completed once. |
| 6057 | EXPECT_EQ(1U, CompletedTags.size()); |
| 6058 | EXPECT_EQ(Record, CompletedTags.front()); |
| 6059 | } |
| 6060 | |
Gabor Marton | 54058b5 | 2018-12-17 13:53:12 +0000 | [diff] [blame] | 6061 | INSTANTIATE_TEST_CASE_P(ParameterizedTests, ASTImporterLookupTableTest, |
| 6062 | DefaultTestValuesForRunOptions, ); |
| 6063 | |
Gabor Marton | 1ad4b99 | 2019-07-01 14:19:53 +0000 | [diff] [blame] | 6064 | INSTANTIATE_TEST_CASE_P(ParameterizedTests, ImportPath, |
| 6065 | ::testing::Values(ArgVector()), ); |
| 6066 | |
Gabor Marton | 19f4f39 | 2018-06-25 13:04:37 +0000 | [diff] [blame] | 6067 | INSTANTIATE_TEST_CASE_P(ParameterizedTests, ImportExpr, |
| 6068 | DefaultTestValuesForRunOptions, ); |
| 6069 | |
Vince Bridgers | 789215d | 2020-04-06 08:22:35 -0500 | [diff] [blame] | 6070 | INSTANTIATE_TEST_CASE_P(ParameterizedTests, ImportFixedPointExpr, |
| 6071 | ExtendWithOptions(DefaultTestArrayForRunOptions, |
| 6072 | ArgVector{"-ffixed-point"}), ); |
| 6073 | |
Gabor Marton | 19f4f39 | 2018-06-25 13:04:37 +0000 | [diff] [blame] | 6074 | INSTANTIATE_TEST_CASE_P(ParameterizedTests, ImportType, |
| 6075 | DefaultTestValuesForRunOptions, ); |
| 6076 | |
| 6077 | INSTANTIATE_TEST_CASE_P(ParameterizedTests, ImportDecl, |
| 6078 | DefaultTestValuesForRunOptions, ); |
| 6079 | |
Gabor Marton | 0b57ccb | 2019-02-07 16:52:48 +0000 | [diff] [blame] | 6080 | INSTANTIATE_TEST_CASE_P(ParameterizedTests, ASTImporterOptionSpecificTestBase, |
Gabor Marton | 19f4f39 | 2018-06-25 13:04:37 +0000 | [diff] [blame] | 6081 | DefaultTestValuesForRunOptions, ); |
| 6082 | |
Gabor Marton | f035b75 | 2019-08-27 11:36:10 +0000 | [diff] [blame] | 6083 | INSTANTIATE_TEST_CASE_P(ParameterizedTests, ErrorHandlingTest, |
| 6084 | DefaultTestValuesForRunOptions, ); |
| 6085 | |
Raphael Isemann | e9bc35f | 2019-04-29 21:02:35 +0000 | [diff] [blame] | 6086 | INSTANTIATE_TEST_CASE_P(ParameterizedTests, RedirectingImporterTest, |
| 6087 | DefaultTestValuesForRunOptions, ); |
| 6088 | |
Gabor Marton | 19f4f39 | 2018-06-25 13:04:37 +0000 | [diff] [blame] | 6089 | INSTANTIATE_TEST_CASE_P(ParameterizedTests, ImportFunctions, |
| 6090 | DefaultTestValuesForRunOptions, ); |
Gabor Marton | 61d862a | 2018-05-18 09:08:47 +0000 | [diff] [blame] | 6091 | |
Gabor Marton | 25234fd | 2019-12-12 17:13:35 +0100 | [diff] [blame] | 6092 | INSTANTIATE_TEST_CASE_P(ParameterizedTests, ImportAutoFunctions, |
| 6093 | DefaultTestValuesForRunOptions, ); |
| 6094 | |
Gabor Marton | f035b75 | 2019-08-27 11:36:10 +0000 | [diff] [blame] | 6095 | INSTANTIATE_TEST_CASE_P(ParameterizedTests, ImportFunctionTemplates, |
| 6096 | DefaultTestValuesForRunOptions, ); |
| 6097 | |
Gabor Marton | e331e63 | 2019-02-18 13:09:27 +0000 | [diff] [blame] | 6098 | INSTANTIATE_TEST_CASE_P(ParameterizedTests, ImportFriendFunctionTemplates, |
| 6099 | DefaultTestValuesForRunOptions, ); |
| 6100 | |
Gabor Marton | 54058b5 | 2018-12-17 13:53:12 +0000 | [diff] [blame] | 6101 | INSTANTIATE_TEST_CASE_P(ParameterizedTests, ImportClasses, |
Gabor Marton | 5254e64 | 2018-06-27 13:32:50 +0000 | [diff] [blame] | 6102 | DefaultTestValuesForRunOptions, ); |
| 6103 | |
Gabor Marton | 54058b5 | 2018-12-17 13:53:12 +0000 | [diff] [blame] | 6104 | INSTANTIATE_TEST_CASE_P(ParameterizedTests, ImportFriendFunctions, |
Gabor Marton | 7df342a | 2018-12-17 12:42:12 +0000 | [diff] [blame] | 6105 | DefaultTestValuesForRunOptions, ); |
| 6106 | |
Gabor Marton | 7df342a | 2018-12-17 12:42:12 +0000 | [diff] [blame] | 6107 | INSTANTIATE_TEST_CASE_P(ParameterizedTests, ImportFriendClasses, |
| 6108 | DefaultTestValuesForRunOptions, ); |
| 6109 | |
Gabor Marton | 5254e64 | 2018-06-27 13:32:50 +0000 | [diff] [blame] | 6110 | INSTANTIATE_TEST_CASE_P(ParameterizedTests, |
| 6111 | ImportFunctionTemplateSpecializations, |
| 6112 | DefaultTestValuesForRunOptions, ); |
| 6113 | |
Gabor Marton | ac3a5d6 | 2018-09-17 12:04:52 +0000 | [diff] [blame] | 6114 | INSTANTIATE_TEST_CASE_P(ParameterizedTests, ImportImplicitMethods, |
| 6115 | DefaultTestValuesForRunOptions, ); |
| 6116 | |
| 6117 | INSTANTIATE_TEST_CASE_P(ParameterizedTests, ImportVariables, |
| 6118 | DefaultTestValuesForRunOptions, ); |
| 6119 | |
Gabor Marton | aefcf51 | 2019-07-17 13:47:46 +0000 | [diff] [blame] | 6120 | INSTANTIATE_TEST_CASE_P(ParameterizedTests, LLDBLookupTest, |
| 6121 | DefaultTestValuesForRunOptions, ); |
| 6122 | |
Raphael Isemann | a37734f | 2020-02-17 19:43:33 +0100 | [diff] [blame] | 6123 | INSTANTIATE_TEST_CASE_P(ParameterizedTests, ImportSourceLocations, |
| 6124 | DefaultTestValuesForRunOptions, ); |
| 6125 | |
shafik | def7c7f | 2020-04-23 15:16:34 -0700 | [diff] [blame] | 6126 | INSTANTIATE_TEST_CASE_P(ParameterizedTests, ImportWithExternalSource, |
| 6127 | DefaultTestValuesForRunOptions, ); |
| 6128 | |
Artem Dergachev | 4e7c6fd | 2016-04-14 11:51:27 +0000 | [diff] [blame] | 6129 | } // end namespace ast_matchers |
| 6130 | } // end namespace clang |