| 1 | |
| 2 | |
| 3 | |
| 4 | |
| 5 | |
| 6 | |
| 7 | |
| 8 | |
| 9 | #include "clang/Frontend/DiagnosticRenderer.h" |
| 10 | #include "clang/Basic/Diagnostic.h" |
| 11 | #include "clang/Basic/DiagnosticOptions.h" |
| 12 | #include "clang/Basic/LLVM.h" |
| 13 | #include "clang/Basic/SourceLocation.h" |
| 14 | #include "clang/Basic/SourceManager.h" |
| 15 | #include "clang/Edit/Commit.h" |
| 16 | #include "clang/Edit/EditedSource.h" |
| 17 | #include "clang/Edit/EditsReceiver.h" |
| 18 | #include "clang/Lex/Lexer.h" |
| 19 | #include "llvm/ADT/ArrayRef.h" |
| 20 | #include "llvm/ADT/DenseMap.h" |
| 21 | #include "llvm/ADT/None.h" |
| 22 | #include "llvm/ADT/SmallString.h" |
| 23 | #include "llvm/ADT/SmallVector.h" |
| 24 | #include "llvm/ADT/StringRef.h" |
| 25 | #include "llvm/Support/raw_ostream.h" |
| 26 | #include <algorithm> |
| 27 | #include <cassert> |
| 28 | #include <iterator> |
| 29 | #include <utility> |
| 30 | |
| 31 | using namespace clang; |
| 32 | |
| 33 | DiagnosticRenderer::DiagnosticRenderer(const LangOptions &LangOpts, |
| 34 | DiagnosticOptions *DiagOpts) |
| 35 | : LangOpts(LangOpts), DiagOpts(DiagOpts), LastLevel() {} |
| 36 | |
| 37 | DiagnosticRenderer::~DiagnosticRenderer() = default; |
| 38 | |
| 39 | namespace { |
| 40 | |
| 41 | class FixitReceiver : public edit::EditsReceiver { |
| 42 | SmallVectorImpl<FixItHint> &MergedFixits; |
| 43 | |
| 44 | public: |
| 45 | FixitReceiver(SmallVectorImpl<FixItHint> &MergedFixits) |
| 46 | : MergedFixits(MergedFixits) {} |
| 47 | |
| 48 | void insert(SourceLocation loc, StringRef text) override { |
| 49 | MergedFixits.push_back(FixItHint::CreateInsertion(loc, text)); |
| 50 | } |
| 51 | |
| 52 | void replace(CharSourceRange range, StringRef text) override { |
| 53 | MergedFixits.push_back(FixItHint::CreateReplacement(range, text)); |
| 54 | } |
| 55 | }; |
| 56 | |
| 57 | } |
| 58 | |
| 59 | static void mergeFixits(ArrayRef<FixItHint> FixItHints, |
| 60 | const SourceManager &SM, const LangOptions &LangOpts, |
| 61 | SmallVectorImpl<FixItHint> &MergedFixits) { |
| 62 | edit::Commit commit(SM, LangOpts); |
| 63 | for (const auto &Hint : FixItHints) |
| 64 | if (Hint.CodeToInsert.empty()) { |
| 65 | if (Hint.InsertFromRange.isValid()) |
| 66 | commit.insertFromRange(Hint.RemoveRange.getBegin(), |
| 67 | Hint.InsertFromRange, , |
| 68 | Hint.BeforePreviousInsertions); |
| 69 | else |
| 70 | commit.remove(Hint.RemoveRange); |
| 71 | } else { |
| 72 | if (Hint.RemoveRange.isTokenRange() || |
| 73 | Hint.RemoveRange.getBegin() != Hint.RemoveRange.getEnd()) |
| 74 | commit.replace(Hint.RemoveRange, Hint.CodeToInsert); |
| 75 | else |
| 76 | commit.insert(Hint.RemoveRange.getBegin(), Hint.CodeToInsert, |
| 77 | , Hint.BeforePreviousInsertions); |
| 78 | } |
| 79 | |
| 80 | edit::EditedSource Editor(SM, LangOpts); |
| 81 | if (Editor.commit(commit)) { |
| 82 | FixitReceiver Rec(MergedFixits); |
| 83 | Editor.applyRewrites(Rec); |
| 84 | } |
| 85 | } |
| 86 | |
| 87 | void DiagnosticRenderer::emitDiagnostic(FullSourceLoc Loc, |
| 88 | DiagnosticsEngine::Level Level, |
| 89 | StringRef Message, |
| 90 | ArrayRef<CharSourceRange> Ranges, |
| 91 | ArrayRef<FixItHint> FixItHints, |
| 92 | DiagOrStoredDiag D) { |
| 93 | assert(Loc.hasManager() || Loc.isInvalid()); |
| 94 | |
| 95 | beginDiagnostic(D, Level); |
| 96 | |
| 97 | if (!Loc.isValid()) |
| 98 | |
| 99 | emitDiagnosticMessage(Loc, PresumedLoc(), Level, Message, Ranges, D); |
| 100 | else { |
| 101 | |
| 102 | SmallVector<CharSourceRange, 20> MutableRanges(Ranges.begin(), |
| 103 | Ranges.end()); |
| 104 | |
| 105 | SmallVector<FixItHint, 8> MergedFixits; |
| 106 | if (!FixItHints.empty()) { |
| 107 | mergeFixits(FixItHints, Loc.getManager(), LangOpts, MergedFixits); |
| 108 | FixItHints = MergedFixits; |
| 109 | } |
| 110 | |
| 111 | for (const auto &Hint : FixItHints) |
| 112 | if (Hint.RemoveRange.isValid()) |
| 113 | MutableRanges.push_back(Hint.RemoveRange); |
| 114 | |
| 115 | FullSourceLoc UnexpandedLoc = Loc; |
| 116 | |
| 117 | |
| 118 | Loc = Loc.getFileLoc(); |
| 119 | |
| 120 | PresumedLoc PLoc = Loc.getPresumedLoc(DiagOpts->ShowPresumedLoc); |
| 121 | |
| 122 | |
| 123 | |
| 124 | emitIncludeStack(Loc, PLoc, Level); |
| 125 | |
| 126 | |
| 127 | emitDiagnosticMessage(Loc, PLoc, Level, Message, Ranges, D); |
| 128 | emitCaret(Loc, Level, MutableRanges, FixItHints); |
| 129 | |
| 130 | |
| 131 | |
| 132 | if (UnexpandedLoc.isValid() && UnexpandedLoc.isMacroID()) { |
| 133 | emitMacroExpansions(UnexpandedLoc, Level, MutableRanges, FixItHints); |
| 134 | } |
| 135 | } |
| 136 | |
| 137 | LastLoc = Loc; |
| 138 | LastLevel = Level; |
| 139 | |
| 140 | endDiagnostic(D, Level); |
| 141 | } |
| 142 | |
| 143 | void DiagnosticRenderer::emitStoredDiagnostic(StoredDiagnostic &Diag) { |
| 144 | emitDiagnostic(Diag.getLocation(), Diag.getLevel(), Diag.getMessage(), |
| 145 | Diag.getRanges(), Diag.getFixIts(), |
| 146 | &Diag); |
| 147 | } |
| 148 | |
| 149 | void DiagnosticRenderer::emitBasicNote(StringRef Message) { |
| 150 | emitDiagnosticMessage(FullSourceLoc(), PresumedLoc(), DiagnosticsEngine::Note, |
| 151 | Message, None, DiagOrStoredDiag()); |
| 152 | } |
| 153 | |
| 154 | |
| 155 | |
| 156 | |
| 157 | |
| 158 | |
| 159 | |
| 160 | |
| 161 | |
| 162 | |
| 163 | |
| 164 | |
| 165 | void DiagnosticRenderer::emitIncludeStack(FullSourceLoc Loc, PresumedLoc PLoc, |
| 166 | DiagnosticsEngine::Level Level) { |
| 167 | FullSourceLoc IncludeLoc = |
| 168 | PLoc.isInvalid() ? FullSourceLoc() |
| 169 | : FullSourceLoc(PLoc.getIncludeLoc(), Loc.getManager()); |
| 170 | |
| 171 | |
| 172 | if (LastIncludeLoc == IncludeLoc) |
| 173 | return; |
| 174 | |
| 175 | LastIncludeLoc = IncludeLoc; |
| 176 | |
| 177 | if (!DiagOpts->ShowNoteIncludeStack && Level == DiagnosticsEngine::Note) |
| 178 | return; |
| 179 | |
| 180 | if (IncludeLoc.isValid()) |
| 181 | emitIncludeStackRecursively(IncludeLoc); |
| 182 | else { |
| 183 | emitModuleBuildStack(Loc.getManager()); |
| 184 | emitImportStack(Loc); |
| 185 | } |
| 186 | } |
| 187 | |
| 188 | |
| 189 | |
| 190 | void DiagnosticRenderer::emitIncludeStackRecursively(FullSourceLoc Loc) { |
| 191 | if (Loc.isInvalid()) { |
| 192 | emitModuleBuildStack(Loc.getManager()); |
| 193 | return; |
| 194 | } |
| 195 | |
| 196 | PresumedLoc PLoc = Loc.getPresumedLoc(DiagOpts->ShowPresumedLoc); |
| 197 | if (PLoc.isInvalid()) |
| 198 | return; |
| 199 | |
| 200 | |
| 201 | |
| 202 | |
| 203 | std::pair<FullSourceLoc, StringRef> Imported = Loc.getModuleImportLoc(); |
| 204 | if (!Imported.second.empty()) { |
| 205 | |
| 206 | emitImportStackRecursively(Imported.first, Imported.second); |
| 207 | return; |
| 208 | } |
| 209 | |
| 210 | |
| 211 | emitIncludeStackRecursively( |
| 212 | FullSourceLoc(PLoc.getIncludeLoc(), Loc.getManager())); |
| 213 | |
| 214 | |
| 215 | emitIncludeLocation(Loc, PLoc); |
| 216 | } |
| 217 | |
| 218 | |
| 219 | void DiagnosticRenderer::emitImportStack(FullSourceLoc Loc) { |
| 220 | if (Loc.isInvalid()) { |
| 221 | emitModuleBuildStack(Loc.getManager()); |
| 222 | return; |
| 223 | } |
| 224 | |
| 225 | std::pair<FullSourceLoc, StringRef> NextImportLoc = Loc.getModuleImportLoc(); |
| 226 | emitImportStackRecursively(NextImportLoc.first, NextImportLoc.second); |
| 227 | } |
| 228 | |
| 229 | |
| 230 | |
| 231 | void DiagnosticRenderer::emitImportStackRecursively(FullSourceLoc Loc, |
| 232 | StringRef ModuleName) { |
| 233 | if (ModuleName.empty()) { |
| 234 | return; |
| 235 | } |
| 236 | |
| 237 | PresumedLoc PLoc = Loc.getPresumedLoc(DiagOpts->ShowPresumedLoc); |
| 238 | |
| 239 | |
| 240 | std::pair<FullSourceLoc, StringRef> NextImportLoc = Loc.getModuleImportLoc(); |
| 241 | emitImportStackRecursively(NextImportLoc.first, NextImportLoc.second); |
| 242 | |
| 243 | |
| 244 | emitImportLocation(Loc, PLoc, ModuleName); |
| 245 | } |
| 246 | |
| 247 | |
| 248 | |
| 249 | void DiagnosticRenderer::emitModuleBuildStack(const SourceManager &SM) { |
| 250 | ModuleBuildStack Stack = SM.getModuleBuildStack(); |
| 251 | for (const auto &I : Stack) { |
| 252 | emitBuildingModuleLocation(I.second, I.second.getPresumedLoc( |
| 253 | DiagOpts->ShowPresumedLoc), |
| 254 | I.first); |
| 255 | } |
| 256 | } |
| 257 | |
| 258 | |
| 259 | |
| 260 | static SourceLocation |
| 261 | retrieveMacroLocation(SourceLocation Loc, FileID MacroFileID, |
| 262 | FileID CaretFileID, |
| 263 | const SmallVectorImpl<FileID> &CommonArgExpansions, |
| 264 | bool IsBegin, const SourceManager *SM, |
| 265 | bool &IsTokenRange) { |
| 266 | getFileID(Loc) == MacroFileID", "/home/seafit/code_projects/clang_source/clang/lib/Frontend/DiagnosticRenderer.cpp", 266, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(SM->getFileID(Loc) == MacroFileID); |
| 267 | if (MacroFileID == CaretFileID) |
| 268 | return Loc; |
| 269 | if (!Loc.isMacroID()) |
| 270 | return {}; |
| 271 | |
| 272 | CharSourceRange MacroRange, MacroArgRange; |
| 273 | |
| 274 | if (SM->isMacroArgExpansion(Loc)) { |
| 275 | |
| 276 | |
| 277 | if (std::binary_search(CommonArgExpansions.begin(), |
| 278 | CommonArgExpansions.end(), MacroFileID)) |
| 279 | MacroRange = |
| 280 | CharSourceRange(SM->getImmediateSpellingLoc(Loc), IsTokenRange); |
| 281 | MacroArgRange = SM->getImmediateExpansionRange(Loc); |
| 282 | } else { |
| 283 | MacroRange = SM->getImmediateExpansionRange(Loc); |
| 284 | MacroArgRange = |
| 285 | CharSourceRange(SM->getImmediateSpellingLoc(Loc), IsTokenRange); |
| 286 | } |
| 287 | |
| 288 | SourceLocation MacroLocation = |
| 289 | IsBegin ? MacroRange.getBegin() : MacroRange.getEnd(); |
| 290 | if (MacroLocation.isValid()) { |
| 291 | MacroFileID = SM->getFileID(MacroLocation); |
| 292 | bool TokenRange = IsBegin ? IsTokenRange : MacroRange.isTokenRange(); |
| 293 | MacroLocation = |
| 294 | retrieveMacroLocation(MacroLocation, MacroFileID, CaretFileID, |
| 295 | CommonArgExpansions, IsBegin, SM, TokenRange); |
| 296 | if (MacroLocation.isValid()) { |
| 297 | IsTokenRange = TokenRange; |
| 298 | return MacroLocation; |
| 299 | } |
| 300 | } |
| 301 | |
| 302 | |
| 303 | |
| 304 | if (!IsBegin) |
| 305 | IsTokenRange = MacroArgRange.isTokenRange(); |
| 306 | |
| 307 | SourceLocation MacroArgLocation = |
| 308 | IsBegin ? MacroArgRange.getBegin() : MacroArgRange.getEnd(); |
| 309 | MacroFileID = SM->getFileID(MacroArgLocation); |
| 310 | return retrieveMacroLocation(MacroArgLocation, MacroFileID, CaretFileID, |
| 311 | CommonArgExpansions, IsBegin, SM, IsTokenRange); |
| 312 | } |
| 313 | |
| 314 | |
| 315 | |
| 316 | static void getMacroArgExpansionFileIDs(SourceLocation Loc, |
| 317 | SmallVectorImpl<FileID> &IDs, |
| 318 | bool IsBegin, const SourceManager *SM) { |
| 319 | while (Loc.isMacroID()) { |
| 320 | if (SM->isMacroArgExpansion(Loc)) { |
| 321 | IDs.push_back(SM->getFileID(Loc)); |
| 322 | Loc = SM->getImmediateSpellingLoc(Loc); |
| 323 | } else { |
| 324 | auto ExpRange = SM->getImmediateExpansionRange(Loc); |
| 325 | Loc = IsBegin ? ExpRange.getBegin() : ExpRange.getEnd(); |
| 326 | } |
| 327 | } |
| 328 | } |
| 329 | |
| 330 | |
| 331 | |
| 332 | static void computeCommonMacroArgExpansionFileIDs( |
| 333 | SourceLocation Begin, SourceLocation End, const SourceManager *SM, |
| 334 | SmallVectorImpl<FileID> &CommonArgExpansions) { |
| 335 | SmallVector<FileID, 4> BeginArgExpansions; |
| 336 | SmallVector<FileID, 4> EndArgExpansions; |
| 337 | getMacroArgExpansionFileIDs(Begin, BeginArgExpansions, , SM); |
| 338 | getMacroArgExpansionFileIDs(End, EndArgExpansions, , SM); |
| 339 | llvm::sort(BeginArgExpansions); |
| 340 | llvm::sort(EndArgExpansions); |
| 341 | std::set_intersection(BeginArgExpansions.begin(), BeginArgExpansions.end(), |
| 342 | EndArgExpansions.begin(), EndArgExpansions.end(), |
| 343 | std::back_inserter(CommonArgExpansions)); |
| 344 | } |
| 345 | |
| 346 | |
| 347 | |
| 348 | |
| 349 | |
| 350 | |
| 351 | |
| 352 | |
| 353 | |
| 354 | |
| 355 | |
| 356 | static void |
| 357 | mapDiagnosticRanges(FullSourceLoc CaretLoc, ArrayRef<CharSourceRange> Ranges, |
| 358 | SmallVectorImpl<CharSourceRange> &SpellingRanges) { |
| 359 | FileID CaretLocFileID = CaretLoc.getFileID(); |
| 360 | |
| 361 | const SourceManager *SM = &CaretLoc.getManager(); |
| 362 | |
| 363 | for (const auto &Range : Ranges) { |
| 364 | if (Range.isInvalid()) |
| 365 | continue; |
| 366 | |
| 367 | SourceLocation Begin = Range.getBegin(), End = Range.getEnd(); |
| 368 | bool IsTokenRange = Range.isTokenRange(); |
| 369 | |
| 370 | FileID BeginFileID = SM->getFileID(Begin); |
| 371 | FileID EndFileID = SM->getFileID(End); |
| 372 | |
| 373 | |
| 374 | |
| 375 | |
| 376 | llvm::SmallDenseMap<FileID, SourceLocation> BeginLocsMap; |
| 377 | while (Begin.isMacroID() && BeginFileID != EndFileID) { |
| 378 | BeginLocsMap[BeginFileID] = Begin; |
| 379 | Begin = SM->getImmediateExpansionRange(Begin).getBegin(); |
| 380 | BeginFileID = SM->getFileID(Begin); |
| 381 | } |
| 382 | |
| 383 | |
| 384 | if (BeginFileID != EndFileID) { |
| 385 | while (End.isMacroID() && !BeginLocsMap.count(EndFileID)) { |
| 386 | auto Exp = SM->getImmediateExpansionRange(End); |
| 387 | IsTokenRange = Exp.isTokenRange(); |
| 388 | End = Exp.getEnd(); |
| 389 | EndFileID = SM->getFileID(End); |
| 390 | } |
| 391 | if (End.isMacroID()) { |
| 392 | Begin = BeginLocsMap[EndFileID]; |
| 393 | BeginFileID = EndFileID; |
| 394 | } |
| 395 | } |
| 396 | |
| 397 | |
| 398 | SmallVector<FileID, 4> CommonArgExpansions; |
| 399 | computeCommonMacroArgExpansionFileIDs(Begin, End, SM, CommonArgExpansions); |
| 400 | Begin = retrieveMacroLocation(Begin, BeginFileID, CaretLocFileID, |
| 401 | CommonArgExpansions, , SM, |
| 402 | IsTokenRange); |
| 403 | End = retrieveMacroLocation(End, BeginFileID, CaretLocFileID, |
| 404 | CommonArgExpansions, , SM, |
| 405 | IsTokenRange); |
| 406 | if (Begin.isInvalid() || End.isInvalid()) continue; |
| 407 | |
| 408 | |
| 409 | Begin = SM->getSpellingLoc(Begin); |
| 410 | End = SM->getSpellingLoc(End); |
| 411 | |
| 412 | SpellingRanges.push_back(CharSourceRange(SourceRange(Begin, End), |
| 413 | IsTokenRange)); |
| 414 | } |
| 415 | } |
| 416 | |
| 417 | void DiagnosticRenderer::emitCaret(FullSourceLoc Loc, |
| 418 | DiagnosticsEngine::Level Level, |
| 419 | ArrayRef<CharSourceRange> Ranges, |
| 420 | ArrayRef<FixItHint> Hints) { |
| 421 | SmallVector<CharSourceRange, 4> SpellingRanges; |
| 422 | mapDiagnosticRanges(Loc, Ranges, SpellingRanges); |
| 423 | emitCodeContext(Loc, Level, SpellingRanges, Hints); |
| 424 | } |
| 425 | |
| 426 | |
| 427 | |
| 428 | void DiagnosticRenderer::emitSingleMacroExpansion( |
| 429 | FullSourceLoc Loc, DiagnosticsEngine::Level Level, |
| 430 | ArrayRef<CharSourceRange> Ranges) { |
| 431 | |
| 432 | |
| 433 | FullSourceLoc SpellingLoc = Loc.getSpellingLoc(); |
| 434 | |
| 435 | |
| 436 | SmallVector<CharSourceRange, 4> SpellingRanges; |
| 437 | mapDiagnosticRanges(Loc, Ranges, SpellingRanges); |
| 438 | |
| 439 | SmallString<100> MessageStorage; |
| 440 | llvm::raw_svector_ostream Message(MessageStorage); |
| 441 | StringRef MacroName = Lexer::getImmediateMacroNameForDiagnostics( |
| 442 | Loc, Loc.getManager(), LangOpts); |
| 443 | if (MacroName.empty()) |
| 444 | Message << "expanded from here"; |
| 445 | else |
| 446 | Message << "expanded from macro '" << MacroName << "'"; |
| 447 | |
| 448 | emitDiagnostic(SpellingLoc, DiagnosticsEngine::Note, Message.str(), |
| 449 | SpellingRanges, None); |
| 450 | } |
| 451 | |
| 452 | |
| 453 | |
| 454 | |
| 455 | static bool checkLocForMacroArgExpansion(SourceLocation Loc, |
| 456 | const SourceManager &SM, |
| 457 | SourceLocation ArgumentLoc) { |
| 458 | SourceLocation MacroLoc; |
| 459 | if (SM.isMacroArgExpansion(Loc, &MacroLoc)) { |
| 460 | if (ArgumentLoc == MacroLoc) return true; |
| 461 | } |
| 462 | |
| 463 | return false; |
| 464 | } |
| 465 | |
| 466 | |
| 467 | |
| 468 | static bool checkRangeForMacroArgExpansion(CharSourceRange Range, |
| 469 | const SourceManager &SM, |
| 470 | SourceLocation ArgumentLoc) { |
| 471 | SourceLocation BegLoc = Range.getBegin(), EndLoc = Range.getEnd(); |
| 472 | while (BegLoc != EndLoc) { |
| 473 | if (!checkLocForMacroArgExpansion(BegLoc, SM, ArgumentLoc)) |
| 474 | return false; |
| 475 | BegLoc.getLocWithOffset(1); |
| 476 | } |
| 477 | |
| 478 | return checkLocForMacroArgExpansion(BegLoc, SM, ArgumentLoc); |
| 479 | } |
| 480 | |
| 481 | |
| 482 | |
| 483 | static bool checkRangesForMacroArgExpansion(FullSourceLoc Loc, |
| 484 | ArrayRef<CharSourceRange> Ranges) { |
| 485 | (0) . __assert_fail ("Loc.isMacroID() && \"Must be a macro expansion!\"", "/home/seafit/code_projects/clang_source/clang/lib/Frontend/DiagnosticRenderer.cpp", 485, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(Loc.isMacroID() && "Must be a macro expansion!"); |
| 486 | |
| 487 | SmallVector<CharSourceRange, 4> SpellingRanges; |
| 488 | mapDiagnosticRanges(Loc, Ranges, SpellingRanges); |
| 489 | |
| 490 | |
| 491 | unsigned ValidCount = 0; |
| 492 | for (const auto &Range : Ranges) |
| 493 | if (Range.isValid()) |
| 494 | ValidCount++; |
| 495 | |
| 496 | if (ValidCount > SpellingRanges.size()) |
| 497 | return false; |
| 498 | |
| 499 | |
| 500 | FullSourceLoc ArgumentLoc; |
| 501 | |
| 502 | |
| 503 | |
| 504 | if (!Loc.isMacroArgExpansion(&ArgumentLoc)) |
| 505 | return false; |
| 506 | |
| 507 | for (const auto &Range : SpellingRanges) |
| 508 | if (!checkRangeForMacroArgExpansion(Range, Loc.getManager(), ArgumentLoc)) |
| 509 | return false; |
| 510 | |
| 511 | return true; |
| 512 | } |
| 513 | |
| 514 | |
| 515 | |
| 516 | |
| 517 | |
| 518 | |
| 519 | |
| 520 | |
| 521 | |
| 522 | |
| 523 | |
| 524 | |
| 525 | void DiagnosticRenderer::emitMacroExpansions(FullSourceLoc Loc, |
| 526 | DiagnosticsEngine::Level Level, |
| 527 | ArrayRef<CharSourceRange> Ranges, |
| 528 | ArrayRef<FixItHint> Hints) { |
| 529 | (0) . __assert_fail ("Loc.isValid() && \"must have a valid source location here\"", "/home/seafit/code_projects/clang_source/clang/lib/Frontend/DiagnosticRenderer.cpp", 529, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(Loc.isValid() && "must have a valid source location here"); |
| 530 | const SourceManager &SM = Loc.getManager(); |
| 531 | SourceLocation L = Loc; |
| 532 | |
| 533 | |
| 534 | SmallVector<SourceLocation, 8> LocationStack; |
| 535 | unsigned IgnoredEnd = 0; |
| 536 | while (L.isMacroID()) { |
| 537 | |
| 538 | |
| 539 | if (SM.isMacroArgExpansion(L)) |
| 540 | LocationStack.push_back(SM.getImmediateExpansionRange(L).getBegin()); |
| 541 | else |
| 542 | LocationStack.push_back(L); |
| 543 | |
| 544 | if (checkRangesForMacroArgExpansion(FullSourceLoc(L, SM), Ranges)) |
| 545 | IgnoredEnd = LocationStack.size(); |
| 546 | |
| 547 | L = SM.getImmediateMacroCallerLoc(L); |
| 548 | |
| 549 | |
| 550 | |
| 551 | |
| 552 | if (L.isFileID()) |
| 553 | L = SM.getImmediateMacroCallerLoc(LocationStack.back()); |
| 554 | (0) . __assert_fail ("L.isValid() && \"must have a valid source location here\"", "/home/seafit/code_projects/clang_source/clang/lib/Frontend/DiagnosticRenderer.cpp", 554, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(L.isValid() && "must have a valid source location here"); |
| 555 | } |
| 556 | |
| 557 | LocationStack.erase(LocationStack.begin(), |
| 558 | LocationStack.begin() + IgnoredEnd); |
| 559 | |
| 560 | unsigned MacroDepth = LocationStack.size(); |
| 561 | unsigned MacroLimit = DiagOpts->MacroBacktraceLimit; |
| 562 | if (MacroDepth <= MacroLimit || MacroLimit == 0) { |
| 563 | for (auto I = LocationStack.rbegin(), E = LocationStack.rend(); |
| 564 | I != E; ++I) |
| 565 | emitSingleMacroExpansion(FullSourceLoc(*I, SM), Level, Ranges); |
| 566 | return; |
| 567 | } |
| 568 | |
| 569 | unsigned MacroStartMessages = MacroLimit / 2; |
| 570 | unsigned MacroEndMessages = MacroLimit / 2 + MacroLimit % 2; |
| 571 | |
| 572 | for (auto I = LocationStack.rbegin(), |
| 573 | E = LocationStack.rbegin() + MacroStartMessages; |
| 574 | I != E; ++I) |
| 575 | emitSingleMacroExpansion(FullSourceLoc(*I, SM), Level, Ranges); |
| 576 | |
| 577 | SmallString<200> MessageStorage; |
| 578 | llvm::raw_svector_ostream Message(MessageStorage); |
| 579 | Message << "(skipping " << (MacroDepth - MacroLimit) |
| 580 | << " expansions in backtrace; use -fmacro-backtrace-limit=0 to " |
| 581 | "see all)"; |
| 582 | emitBasicNote(Message.str()); |
| 583 | |
| 584 | for (auto I = LocationStack.rend() - MacroEndMessages, |
| 585 | E = LocationStack.rend(); |
| 586 | I != E; ++I) |
| 587 | emitSingleMacroExpansion(FullSourceLoc(*I, SM), Level, Ranges); |
| 588 | } |
| 589 | |
| 590 | DiagnosticNoteRenderer::~DiagnosticNoteRenderer() = default; |
| 591 | |
| 592 | void DiagnosticNoteRenderer::emitIncludeLocation(FullSourceLoc Loc, |
| 593 | PresumedLoc PLoc) { |
| 594 | |
| 595 | SmallString<200> MessageStorage; |
| 596 | llvm::raw_svector_ostream Message(MessageStorage); |
| 597 | Message << "in file included from " << PLoc.getFilename() << ':' |
| 598 | << PLoc.getLine() << ":"; |
| 599 | emitNote(Loc, Message.str()); |
| 600 | } |
| 601 | |
| 602 | void DiagnosticNoteRenderer::emitImportLocation(FullSourceLoc Loc, |
| 603 | PresumedLoc PLoc, |
| 604 | StringRef ModuleName) { |
| 605 | |
| 606 | SmallString<200> MessageStorage; |
| 607 | llvm::raw_svector_ostream Message(MessageStorage); |
| 608 | Message << "in module '" << ModuleName; |
| 609 | if (PLoc.isValid()) |
| 610 | Message << "' imported from " << PLoc.getFilename() << ':' |
| 611 | << PLoc.getLine(); |
| 612 | Message << ":"; |
| 613 | emitNote(Loc, Message.str()); |
| 614 | } |
| 615 | |
| 616 | void DiagnosticNoteRenderer::emitBuildingModuleLocation(FullSourceLoc Loc, |
| 617 | PresumedLoc PLoc, |
| 618 | StringRef ModuleName) { |
| 619 | |
| 620 | SmallString<200> MessageStorage; |
| 621 | llvm::raw_svector_ostream Message(MessageStorage); |
| 622 | if (PLoc.isValid()) |
| 623 | Message << "while building module '" << ModuleName << "' imported from " |
| 624 | << PLoc.getFilename() << ':' << PLoc.getLine() << ":"; |
| 625 | else |
| 626 | Message << "while building module '" << ModuleName << "':"; |
| 627 | emitNote(Loc, Message.str()); |
| 628 | } |
| 629 | |