| 1 | //===-- clang-doc/BitcodeTest.cpp -----------------------------------------===// |
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | #include "BitcodeReader.h" |
| 10 | #include "BitcodeWriter.h" |
| 11 | #include "ClangDocTest.h" |
| 12 | #include "Representation.h" |
| 13 | #include "llvm/Bitstream/BitstreamReader.h" |
| 14 | #include "llvm/Bitstream/BitstreamWriter.h" |
| 15 | #include "gtest/gtest.h" |
| 16 | |
| 17 | namespace clang { |
| 18 | namespace doc { |
| 19 | |
| 20 | template <typename T> static std::string writeInfo(T &I) { |
| 21 | SmallString<2048> Buffer; |
| 22 | llvm::BitstreamWriter Stream(Buffer); |
| 23 | ClangDocBitcodeWriter Writer(Stream); |
| 24 | Writer.emitBlock(I); |
| 25 | return Buffer.str().str(); |
| 26 | } |
| 27 | |
| 28 | static std::string writeInfo(Info *I) { |
| 29 | switch (I->IT) { |
| 30 | case InfoType::IT_namespace: |
| 31 | return writeInfo(I&: *static_cast<NamespaceInfo *>(I)); |
| 32 | case InfoType::IT_record: |
| 33 | return writeInfo(I&: *static_cast<RecordInfo *>(I)); |
| 34 | case InfoType::IT_enum: |
| 35 | return writeInfo(I&: *static_cast<EnumInfo *>(I)); |
| 36 | case InfoType::IT_function: |
| 37 | return writeInfo(I&: *static_cast<FunctionInfo *>(I)); |
| 38 | case InfoType::IT_typedef: |
| 39 | return writeInfo(I&: *static_cast<TypedefInfo *>(I)); |
| 40 | case InfoType::IT_concept: |
| 41 | return writeInfo(I&: *static_cast<ConceptInfo *>(I)); |
| 42 | case InfoType::IT_variable: |
| 43 | return writeInfo(I&: *static_cast<VarInfo *>(I)); |
| 44 | case InfoType::IT_friend: |
| 45 | return writeInfo(I&: *static_cast<FriendInfo *>(I)); |
| 46 | case InfoType::IT_default: |
| 47 | return "" ; |
| 48 | } |
| 49 | } |
| 50 | |
| 51 | static std::vector<std::unique_ptr<Info>> readInfo(StringRef Bitcode, |
| 52 | size_t NumInfos) { |
| 53 | llvm::BitstreamCursor Stream(Bitcode); |
| 54 | doc::ClangDocBitcodeReader Reader(Stream); |
| 55 | auto Infos = Reader.readBitcode(); |
| 56 | |
| 57 | // Check that there was no error in the read. |
| 58 | assert(Infos); |
| 59 | EXPECT_EQ(Infos.get().size(), NumInfos); |
| 60 | return std::move(Infos.get()); |
| 61 | } |
| 62 | |
| 63 | TEST(BitcodeTest, emitNamespaceInfoBitcode) { |
| 64 | NamespaceInfo I; |
| 65 | I.Name = "r" ; |
| 66 | I.Namespace.emplace_back(Args: EmptySID, Args: "A" , Args: InfoType::IT_namespace); |
| 67 | |
| 68 | I.Children.Namespaces.emplace_back(args: EmptySID, args: "ChildNamespace" , |
| 69 | args: InfoType::IT_namespace); |
| 70 | I.Children.Records.emplace_back(args: EmptySID, args: "ChildStruct" , args: InfoType::IT_record); |
| 71 | I.Children.Functions.emplace_back(); |
| 72 | I.Children.Enums.emplace_back(); |
| 73 | |
| 74 | std::string WriteResult = writeInfo(I: &I); |
| 75 | EXPECT_TRUE(WriteResult.size() > 0); |
| 76 | std::vector<std::unique_ptr<Info>> ReadResults = readInfo(Bitcode: WriteResult, NumInfos: 1); |
| 77 | |
| 78 | CheckNamespaceInfo(Expected: &I, Actual: InfoAsNamespace(I: ReadResults[0].get())); |
| 79 | } |
| 80 | |
| 81 | TEST(BitcodeTest, emitRecordInfoBitcode) { |
| 82 | RecordInfo I; |
| 83 | I.Name = "r" ; |
| 84 | I.Namespace.emplace_back(Args: EmptySID, Args: "A" , Args: InfoType::IT_namespace); |
| 85 | |
| 86 | I.DefLoc = Location(10, 10, "test.cpp" ); |
| 87 | I.Loc.emplace_back(Args: 12, Args: 12, Args: "test.cpp" ); |
| 88 | |
| 89 | I.Members.emplace_back(Args: TypeInfo("int" ), Args: "X" , Args: AccessSpecifier::AS_private); |
| 90 | I.TagType = TagTypeKind::Class; |
| 91 | I.IsTypeDef = true; |
| 92 | I.Bases.emplace_back(args: EmptySID, args: "F" , args: "path/to/F" , args: true, |
| 93 | args: AccessSpecifier::AS_public, args: true); |
| 94 | I.Bases.back().Children.Functions.emplace_back(); |
| 95 | I.Bases.back().Members.emplace_back(Args: TypeInfo("int" ), Args: "X" , |
| 96 | Args: AccessSpecifier::AS_private); |
| 97 | I.Parents.emplace_back(Args: EmptySID, Args: "F" , Args: InfoType::IT_record); |
| 98 | I.VirtualParents.emplace_back(Args: EmptySID, Args: "G" , Args: InfoType::IT_record); |
| 99 | |
| 100 | // Documentation for the data member. |
| 101 | CommentInfo ; |
| 102 | TopComment.Kind = CommentKind::CK_FullComment; |
| 103 | TopComment.Children.emplace_back(args: std::make_unique<CommentInfo>()); |
| 104 | CommentInfo *Brief = TopComment.Children.back().get(); |
| 105 | Brief->Kind = CommentKind::CK_ParagraphComment; |
| 106 | Brief->Children.emplace_back(args: std::make_unique<CommentInfo>()); |
| 107 | Brief->Children.back()->Kind = CommentKind::CK_TextComment; |
| 108 | Brief->Children.back()->Name = "ParagraphComment" ; |
| 109 | Brief->Children.back()->Text = "Value of the thing." ; |
| 110 | I.Bases.back().Members.back().Description.emplace_back(args: std::move(TopComment)); |
| 111 | |
| 112 | I.Children.Records.emplace_back(args: EmptySID, args: "ChildStruct" , args: InfoType::IT_record); |
| 113 | I.Children.Functions.emplace_back(); |
| 114 | I.Children.Enums.emplace_back(); |
| 115 | |
| 116 | std::string WriteResult = writeInfo(I: &I); |
| 117 | EXPECT_TRUE(WriteResult.size() > 0); |
| 118 | std::vector<std::unique_ptr<Info>> ReadResults = readInfo(Bitcode: WriteResult, NumInfos: 1); |
| 119 | |
| 120 | CheckRecordInfo(Expected: &I, Actual: InfoAsRecord(I: ReadResults[0].get())); |
| 121 | } |
| 122 | |
| 123 | TEST(BitcodeTest, emitFunctionInfoBitcode) { |
| 124 | FunctionInfo I; |
| 125 | I.Name = "f" ; |
| 126 | I.Namespace.emplace_back(Args: EmptySID, Args: "A" , Args: InfoType::IT_namespace); |
| 127 | |
| 128 | I.DefLoc = Location(10, 10, "test.cpp" ); |
| 129 | I.Loc.emplace_back(Args: 12, Args: 12, Args: "test.cpp" ); |
| 130 | |
| 131 | I.ReturnType = TypeInfo("void" ); |
| 132 | I.Params.emplace_back(Args: TypeInfo("int" ), Args: "P" ); |
| 133 | |
| 134 | I.Access = AccessSpecifier::AS_none; |
| 135 | |
| 136 | std::string WriteResult = writeInfo(I: &I); |
| 137 | EXPECT_TRUE(WriteResult.size() > 0); |
| 138 | std::vector<std::unique_ptr<Info>> ReadResults = readInfo(Bitcode: WriteResult, NumInfos: 1); |
| 139 | |
| 140 | CheckFunctionInfo(Expected: &I, Actual: InfoAsFunction(I: ReadResults[0].get())); |
| 141 | } |
| 142 | |
| 143 | TEST(BitcodeTest, emitMethodInfoBitcode) { |
| 144 | FunctionInfo I; |
| 145 | I.Name = "f" ; |
| 146 | I.Namespace.emplace_back(Args: EmptySID, Args: "A" , Args: InfoType::IT_namespace); |
| 147 | |
| 148 | I.DefLoc = Location(10, 10, "test.cpp" ); |
| 149 | I.Loc.emplace_back(Args: 12, Args: 12, Args: "test.cpp" ); |
| 150 | |
| 151 | I.ReturnType = TypeInfo("void" ); |
| 152 | I.Params.emplace_back(Args: TypeInfo("int" ), Args: "P" ); |
| 153 | I.IsMethod = true; |
| 154 | I.Parent = Reference(EmptySID, "Parent" , InfoType::IT_record); |
| 155 | |
| 156 | I.Access = AccessSpecifier::AS_public; |
| 157 | |
| 158 | std::string WriteResult = writeInfo(I: &I); |
| 159 | EXPECT_TRUE(WriteResult.size() > 0); |
| 160 | std::vector<std::unique_ptr<Info>> ReadResults = readInfo(Bitcode: WriteResult, NumInfos: 1); |
| 161 | |
| 162 | CheckFunctionInfo(Expected: &I, Actual: InfoAsFunction(I: ReadResults[0].get())); |
| 163 | } |
| 164 | |
| 165 | TEST(BitcodeTest, emitEnumInfoBitcode) { |
| 166 | EnumInfo I; |
| 167 | I.Name = "e" ; |
| 168 | I.Namespace.emplace_back(Args: EmptySID, Args: "A" , Args: InfoType::IT_namespace); |
| 169 | |
| 170 | I.DefLoc = Location(10, 10, "test.cpp" ); |
| 171 | I.Loc.emplace_back(Args: 12, Args: 12, Args: "test.cpp" ); |
| 172 | |
| 173 | I.Members.emplace_back(Args: "X" ); |
| 174 | I.Scoped = true; |
| 175 | |
| 176 | std::string WriteResult = writeInfo(I: &I); |
| 177 | EXPECT_TRUE(WriteResult.size() > 0); |
| 178 | std::vector<std::unique_ptr<Info>> ReadResults = readInfo(Bitcode: WriteResult, NumInfos: 1); |
| 179 | |
| 180 | CheckEnumInfo(Expected: &I, Actual: InfoAsEnum(I: ReadResults[0].get())); |
| 181 | } |
| 182 | |
| 183 | TEST(BitcodeTest, emitTypedefInfoBitcode) { |
| 184 | TypedefInfo I; |
| 185 | I.Name = "MyInt" ; |
| 186 | I.Namespace.emplace_back(Args: EmptySID, Args: "A" , Args: InfoType::IT_namespace); |
| 187 | |
| 188 | I.DefLoc = Location(10, 10, "test.cpp" ); |
| 189 | I.Underlying = TypeInfo("unsigned" ); |
| 190 | I.IsUsing = true; |
| 191 | |
| 192 | CommentInfo Top; |
| 193 | Top.Kind = CommentKind::CK_FullComment; |
| 194 | |
| 195 | Top.Children.emplace_back(args: std::make_unique<CommentInfo>()); |
| 196 | CommentInfo *BlankLine = Top.Children.back().get(); |
| 197 | BlankLine->Kind = CommentKind::CK_ParagraphComment; |
| 198 | BlankLine->Children.emplace_back(args: std::make_unique<CommentInfo>()); |
| 199 | BlankLine->Children.back()->Kind = CommentKind::CK_TextComment; |
| 200 | |
| 201 | I.Description.emplace_back(args: std::move(Top)); |
| 202 | |
| 203 | std::string WriteResult = writeInfo(I: &I); |
| 204 | EXPECT_TRUE(WriteResult.size() > 0); |
| 205 | std::vector<std::unique_ptr<Info>> ReadResults = readInfo(Bitcode: WriteResult, NumInfos: 1); |
| 206 | |
| 207 | CheckTypedefInfo(Expected: &I, Actual: InfoAsTypedef(I: ReadResults[0].get())); |
| 208 | |
| 209 | // Check one with no IsUsing set, no description, and no definition location. |
| 210 | TypedefInfo I2; |
| 211 | I2.Name = "SomethingElse" ; |
| 212 | I2.IsUsing = false; |
| 213 | I2.Underlying = TypeInfo("int" ); |
| 214 | |
| 215 | WriteResult = writeInfo(I: &I2); |
| 216 | EXPECT_TRUE(WriteResult.size() > 0); |
| 217 | ReadResults = readInfo(Bitcode: WriteResult, NumInfos: 1); |
| 218 | CheckTypedefInfo(Expected: &I2, Actual: InfoAsTypedef(I: ReadResults[0].get())); |
| 219 | } |
| 220 | |
| 221 | TEST(SerializeTest, emitInfoWithCommentBitcode) { |
| 222 | FunctionInfo F; |
| 223 | F.Name = "F" ; |
| 224 | F.ReturnType = TypeInfo("void" ); |
| 225 | F.DefLoc = Location(0, 0, "test.cpp" ); |
| 226 | F.Params.emplace_back(Args: TypeInfo("int" ), Args: "I" ); |
| 227 | |
| 228 | CommentInfo Top; |
| 229 | Top.Kind = CommentKind::CK_FullComment; |
| 230 | |
| 231 | Top.Children.emplace_back(args: std::make_unique<CommentInfo>()); |
| 232 | CommentInfo *BlankLine = Top.Children.back().get(); |
| 233 | BlankLine->Kind = CommentKind::CK_ParagraphComment; |
| 234 | BlankLine->Children.emplace_back(args: std::make_unique<CommentInfo>()); |
| 235 | BlankLine->Children.back()->Kind = CommentKind::CK_TextComment; |
| 236 | |
| 237 | Top.Children.emplace_back(args: std::make_unique<CommentInfo>()); |
| 238 | CommentInfo *Brief = Top.Children.back().get(); |
| 239 | Brief->Kind = CommentKind::CK_ParagraphComment; |
| 240 | Brief->Children.emplace_back(args: std::make_unique<CommentInfo>()); |
| 241 | Brief->Children.back()->Kind = CommentKind::CK_TextComment; |
| 242 | Brief->Children.back()->Name = "ParagraphComment" ; |
| 243 | Brief->Children.back()->Text = " Brief description." ; |
| 244 | |
| 245 | Top.Children.emplace_back(args: std::make_unique<CommentInfo>()); |
| 246 | CommentInfo *Extended = Top.Children.back().get(); |
| 247 | Extended->Kind = CommentKind::CK_ParagraphComment; |
| 248 | Extended->Children.emplace_back(args: std::make_unique<CommentInfo>()); |
| 249 | Extended->Children.back()->Kind = CommentKind::CK_TextComment; |
| 250 | Extended->Children.back()->Text = " Extended description that" ; |
| 251 | Extended->Children.emplace_back(args: std::make_unique<CommentInfo>()); |
| 252 | Extended->Children.back()->Kind = CommentKind::CK_TextComment; |
| 253 | Extended->Children.back()->Text = " continues onto the next line." ; |
| 254 | |
| 255 | Top.Children.emplace_back(args: std::make_unique<CommentInfo>()); |
| 256 | CommentInfo *HTML = Top.Children.back().get(); |
| 257 | HTML->Kind = CommentKind::CK_ParagraphComment; |
| 258 | HTML->Children.emplace_back(args: std::make_unique<CommentInfo>()); |
| 259 | HTML->Children.back()->Kind = CommentKind::CK_TextComment; |
| 260 | HTML->Children.emplace_back(args: std::make_unique<CommentInfo>()); |
| 261 | HTML->Children.back()->Kind = CommentKind::CK_HTMLStartTagComment; |
| 262 | HTML->Children.back()->Name = "ul" ; |
| 263 | HTML->Children.back()->AttrKeys.emplace_back(Args: "class" ); |
| 264 | HTML->Children.back()->AttrValues.emplace_back(Args: "test" ); |
| 265 | HTML->Children.emplace_back(args: std::make_unique<CommentInfo>()); |
| 266 | HTML->Children.back()->Kind = CommentKind::CK_HTMLStartTagComment; |
| 267 | HTML->Children.back()->Name = "li" ; |
| 268 | HTML->Children.emplace_back(args: std::make_unique<CommentInfo>()); |
| 269 | HTML->Children.back()->Kind = CommentKind::CK_TextComment; |
| 270 | HTML->Children.back()->Text = " Testing." ; |
| 271 | HTML->Children.emplace_back(args: std::make_unique<CommentInfo>()); |
| 272 | HTML->Children.back()->Kind = CommentKind::CK_HTMLEndTagComment; |
| 273 | HTML->Children.back()->Name = "ul" ; |
| 274 | HTML->Children.back()->SelfClosing = true; |
| 275 | |
| 276 | Top.Children.emplace_back(args: std::make_unique<CommentInfo>()); |
| 277 | CommentInfo *Verbatim = Top.Children.back().get(); |
| 278 | Verbatim->Kind = CommentKind::CK_VerbatimBlockComment; |
| 279 | Verbatim->Name = "verbatim" ; |
| 280 | Verbatim->CloseName = "endverbatim" ; |
| 281 | Verbatim->Children.emplace_back(args: std::make_unique<CommentInfo>()); |
| 282 | Verbatim->Children.back()->Kind = CommentKind::CK_VerbatimBlockLineComment; |
| 283 | Verbatim->Children.back()->Text = " The description continues." ; |
| 284 | |
| 285 | Top.Children.emplace_back(args: std::make_unique<CommentInfo>()); |
| 286 | CommentInfo *ParamOut = Top.Children.back().get(); |
| 287 | ParamOut->Kind = CommentKind::CK_ParamCommandComment; |
| 288 | ParamOut->Direction = "[out]" ; |
| 289 | ParamOut->ParamName = "I" ; |
| 290 | ParamOut->Explicit = true; |
| 291 | ParamOut->Children.emplace_back(args: std::make_unique<CommentInfo>()); |
| 292 | ParamOut->Children.back()->Kind = CommentKind::CK_ParagraphComment; |
| 293 | ParamOut->Children.back()->Children.emplace_back( |
| 294 | args: std::make_unique<CommentInfo>()); |
| 295 | ParamOut->Children.back()->Children.back()->Kind = |
| 296 | CommentKind::CK_TextComment; |
| 297 | ParamOut->Children.back()->Children.emplace_back( |
| 298 | args: std::make_unique<CommentInfo>()); |
| 299 | ParamOut->Children.back()->Children.back()->Kind = |
| 300 | CommentKind::CK_TextComment; |
| 301 | ParamOut->Children.back()->Children.back()->Text = " is a parameter." ; |
| 302 | |
| 303 | Top.Children.emplace_back(args: std::make_unique<CommentInfo>()); |
| 304 | CommentInfo *ParamIn = Top.Children.back().get(); |
| 305 | ParamIn->Kind = CommentKind::CK_ParamCommandComment; |
| 306 | ParamIn->Direction = "[in]" ; |
| 307 | ParamIn->ParamName = "J" ; |
| 308 | ParamIn->Children.emplace_back(args: std::make_unique<CommentInfo>()); |
| 309 | ParamIn->Children.back()->Kind = CommentKind::CK_ParagraphComment; |
| 310 | ParamIn->Children.back()->Children.emplace_back( |
| 311 | args: std::make_unique<CommentInfo>()); |
| 312 | ParamIn->Children.back()->Children.back()->Kind = CommentKind::CK_TextComment; |
| 313 | ParamIn->Children.back()->Children.back()->Text = " is a parameter." ; |
| 314 | ParamIn->Children.back()->Children.emplace_back( |
| 315 | args: std::make_unique<CommentInfo>()); |
| 316 | ParamIn->Children.back()->Children.back()->Kind = CommentKind::CK_TextComment; |
| 317 | |
| 318 | Top.Children.emplace_back(args: std::make_unique<CommentInfo>()); |
| 319 | CommentInfo *Return = Top.Children.back().get(); |
| 320 | Return->Kind = CommentKind::CK_BlockCommandComment; |
| 321 | Return->Name = "return" ; |
| 322 | Return->Explicit = true; |
| 323 | Return->Children.emplace_back(args: std::make_unique<CommentInfo>()); |
| 324 | Return->Children.back()->Kind = CommentKind::CK_ParagraphComment; |
| 325 | Return->Children.back()->Children.emplace_back( |
| 326 | args: std::make_unique<CommentInfo>()); |
| 327 | Return->Children.back()->Children.back()->Kind = CommentKind::CK_TextComment; |
| 328 | Return->Children.back()->Children.back()->Text = "void" ; |
| 329 | |
| 330 | F.Description.emplace_back(args: std::move(Top)); |
| 331 | |
| 332 | std::string WriteResult = writeInfo(I: &F); |
| 333 | EXPECT_TRUE(WriteResult.size() > 0); |
| 334 | std::vector<std::unique_ptr<Info>> ReadResults = readInfo(Bitcode: WriteResult, NumInfos: 1); |
| 335 | |
| 336 | CheckFunctionInfo(Expected: &F, Actual: InfoAsFunction(I: ReadResults[0].get())); |
| 337 | } |
| 338 | |
| 339 | } // namespace doc |
| 340 | } // namespace clang |
| 341 | |