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| 13 | #include "CIndexDiagnostic.h" |
| 14 | #include "CIndexer.h" |
| 15 | #include "CXTranslationUnit.h" |
| 16 | #include "CXSourceLocation.h" |
| 17 | #include "CXString.h" |
| 18 | |
| 19 | #include "clang/Basic/DiagnosticOptions.h" |
| 20 | #include "clang/Frontend/ASTUnit.h" |
| 21 | #include "clang/Frontend/DiagnosticRenderer.h" |
| 22 | #include "llvm/ADT/SmallString.h" |
| 23 | #include "llvm/Support/raw_ostream.h" |
| 24 | |
| 25 | using namespace clang; |
| 26 | using namespace clang::cxloc; |
| 27 | using namespace clang::cxdiag; |
| 28 | using namespace llvm; |
| 29 | |
| 30 | CXDiagnosticSetImpl::~CXDiagnosticSetImpl() {} |
| 31 | |
| 32 | void |
| 33 | CXDiagnosticSetImpl::appendDiagnostic(std::unique_ptr<CXDiagnosticImpl> D) { |
| 34 | Diagnostics.push_back(std::move(D)); |
| 35 | } |
| 36 | |
| 37 | CXDiagnosticImpl::~CXDiagnosticImpl() {} |
| 38 | |
| 39 | namespace { |
| 40 | class CXDiagnosticCustomNoteImpl : public CXDiagnosticImpl { |
| 41 | std::string Message; |
| 42 | CXSourceLocation Loc; |
| 43 | public: |
| 44 | CXDiagnosticCustomNoteImpl(StringRef Msg, CXSourceLocation L) |
| 45 | : CXDiagnosticImpl(CustomNoteDiagnosticKind), |
| 46 | Message(Msg), Loc(L) {} |
| 47 | |
| 48 | ~CXDiagnosticCustomNoteImpl() override {} |
| 49 | |
| 50 | CXDiagnosticSeverity getSeverity() const override { |
| 51 | return CXDiagnostic_Note; |
| 52 | } |
| 53 | |
| 54 | CXSourceLocation getLocation() const override { |
| 55 | return Loc; |
| 56 | } |
| 57 | |
| 58 | CXString getSpelling() const override { |
| 59 | return cxstring::createRef(Message.c_str()); |
| 60 | } |
| 61 | |
| 62 | CXString getDiagnosticOption(CXString *Disable) const override { |
| 63 | if (Disable) |
| 64 | *Disable = cxstring::createEmpty(); |
| 65 | return cxstring::createEmpty(); |
| 66 | } |
| 67 | |
| 68 | unsigned getCategory() const override { return 0; } |
| 69 | CXString getCategoryText() const override { return cxstring::createEmpty(); } |
| 70 | |
| 71 | unsigned getNumRanges() const override { return 0; } |
| 72 | CXSourceRange getRange(unsigned Range) const override { |
| 73 | return clang_getNullRange(); |
| 74 | } |
| 75 | unsigned getNumFixIts() const override { return 0; } |
| 76 | CXString getFixIt(unsigned FixIt, |
| 77 | CXSourceRange *ReplacementRange) const override { |
| 78 | if (ReplacementRange) |
| 79 | *ReplacementRange = clang_getNullRange(); |
| 80 | return cxstring::createEmpty(); |
| 81 | } |
| 82 | }; |
| 83 | |
| 84 | class CXDiagnosticRenderer : public DiagnosticNoteRenderer { |
| 85 | public: |
| 86 | CXDiagnosticRenderer(const LangOptions &LangOpts, |
| 87 | DiagnosticOptions *DiagOpts, |
| 88 | CXDiagnosticSetImpl *mainSet) |
| 89 | : DiagnosticNoteRenderer(LangOpts, DiagOpts), |
| 90 | CurrentSet(mainSet), MainSet(mainSet) {} |
| 91 | |
| 92 | ~CXDiagnosticRenderer() override {} |
| 93 | |
| 94 | void beginDiagnostic(DiagOrStoredDiag D, |
| 95 | DiagnosticsEngine::Level Level) override { |
| 96 | |
| 97 | const StoredDiagnostic *SD = D.dyn_cast<const StoredDiagnostic*>(); |
| 98 | if (!SD) |
| 99 | return; |
| 100 | |
| 101 | if (Level != DiagnosticsEngine::Note) |
| 102 | CurrentSet = MainSet; |
| 103 | |
| 104 | auto Owner = llvm::make_unique<CXStoredDiagnostic>(*SD, LangOpts); |
| 105 | CXStoredDiagnostic &CD = *Owner; |
| 106 | CurrentSet->appendDiagnostic(std::move(Owner)); |
| 107 | |
| 108 | if (Level != DiagnosticsEngine::Note) |
| 109 | CurrentSet = &CD.getChildDiagnostics(); |
| 110 | } |
| 111 | |
| 112 | void emitDiagnosticMessage(FullSourceLoc Loc, PresumedLoc PLoc, |
| 113 | DiagnosticsEngine::Level Level, StringRef Message, |
| 114 | ArrayRef<CharSourceRange> Ranges, |
| 115 | DiagOrStoredDiag D) override { |
| 116 | if (!D.isNull()) |
| 117 | return; |
| 118 | |
| 119 | CXSourceLocation L; |
| 120 | if (Loc.hasManager()) |
| 121 | L = translateSourceLocation(Loc.getManager(), LangOpts, Loc); |
| 122 | else |
| 123 | L = clang_getNullLocation(); |
| 124 | CurrentSet->appendDiagnostic( |
| 125 | llvm::make_unique<CXDiagnosticCustomNoteImpl>(Message, L)); |
| 126 | } |
| 127 | |
| 128 | void emitDiagnosticLoc(FullSourceLoc Loc, PresumedLoc PLoc, |
| 129 | DiagnosticsEngine::Level Level, |
| 130 | ArrayRef<CharSourceRange> Ranges) override {} |
| 131 | |
| 132 | void emitCodeContext(FullSourceLoc Loc, DiagnosticsEngine::Level Level, |
| 133 | SmallVectorImpl<CharSourceRange> &Ranges, |
| 134 | ArrayRef<FixItHint> Hints) override {} |
| 135 | |
| 136 | void emitNote(FullSourceLoc Loc, StringRef Message) override { |
| 137 | CXSourceLocation L; |
| 138 | if (Loc.hasManager()) |
| 139 | L = translateSourceLocation(Loc.getManager(), LangOpts, Loc); |
| 140 | else |
| 141 | L = clang_getNullLocation(); |
| 142 | CurrentSet->appendDiagnostic( |
| 143 | llvm::make_unique<CXDiagnosticCustomNoteImpl>(Message, L)); |
| 144 | } |
| 145 | |
| 146 | CXDiagnosticSetImpl *CurrentSet; |
| 147 | CXDiagnosticSetImpl *MainSet; |
| 148 | }; |
| 149 | } |
| 150 | |
| 151 | CXDiagnosticSetImpl *cxdiag::lazyCreateDiags(CXTranslationUnit TU, |
| 152 | bool checkIfChanged) { |
| 153 | ASTUnit *AU = cxtu::getASTUnit(TU); |
| 154 | |
| 155 | if (TU->Diagnostics && checkIfChanged) { |
| 156 | |
| 157 | |
| 158 | |
| 159 | |
| 160 | |
| 161 | |
| 162 | |
| 163 | |
| 164 | |
| 165 | |
| 166 | |
| 167 | |
| 168 | |
| 169 | |
| 170 | |
| 171 | |
| 172 | |
| 173 | CXDiagnosticSetImpl * |
| 174 | Set = static_cast<CXDiagnosticSetImpl*>(TU->Diagnostics); |
| 175 | if (AU->stored_diag_size() != Set->getNumDiagnostics()) { |
| 176 | |
| 177 | |
| 178 | delete Set; |
| 179 | TU->Diagnostics = nullptr; |
| 180 | } |
| 181 | } |
| 182 | |
| 183 | if (!TU->Diagnostics) { |
| 184 | CXDiagnosticSetImpl *Set = new CXDiagnosticSetImpl(); |
| 185 | TU->Diagnostics = Set; |
| 186 | IntrusiveRefCntPtr<DiagnosticOptions> DOpts = new DiagnosticOptions; |
| 187 | CXDiagnosticRenderer Renderer(AU->getASTContext().getLangOpts(), |
| 188 | &*DOpts, Set); |
| 189 | |
| 190 | for (ASTUnit::stored_diag_iterator it = AU->stored_diag_begin(), |
| 191 | ei = AU->stored_diag_end(); it != ei; ++it) { |
| 192 | Renderer.emitStoredDiagnostic(*it); |
| 193 | } |
| 194 | } |
| 195 | return static_cast<CXDiagnosticSetImpl*>(TU->Diagnostics); |
| 196 | } |
| 197 | |
| 198 | |
| 199 | |
| 200 | |
| 201 | unsigned clang_getNumDiagnostics(CXTranslationUnit Unit) { |
| 202 | if (cxtu::isNotUsableTU(Unit)) { |
| 203 | LOG_BAD_TU(Unit); |
| 204 | return 0; |
| 205 | } |
| 206 | if (!cxtu::getASTUnit(Unit)) |
| 207 | return 0; |
| 208 | return lazyCreateDiags(Unit, )->getNumDiagnostics(); |
| 209 | } |
| 210 | |
| 211 | CXDiagnostic clang_getDiagnostic(CXTranslationUnit Unit, unsigned Index) { |
| 212 | if (cxtu::isNotUsableTU(Unit)) { |
| 213 | LOG_BAD_TU(Unit); |
| 214 | return nullptr; |
| 215 | } |
| 216 | |
| 217 | CXDiagnosticSet D = clang_getDiagnosticSetFromTU(Unit); |
| 218 | if (!D) |
| 219 | return nullptr; |
| 220 | |
| 221 | CXDiagnosticSetImpl *Diags = static_cast<CXDiagnosticSetImpl*>(D); |
| 222 | if (Index >= Diags->getNumDiagnostics()) |
| 223 | return nullptr; |
| 224 | |
| 225 | return Diags->getDiagnostic(Index); |
| 226 | } |
| 227 | |
| 228 | CXDiagnosticSet clang_getDiagnosticSetFromTU(CXTranslationUnit Unit) { |
| 229 | if (cxtu::isNotUsableTU(Unit)) { |
| 230 | LOG_BAD_TU(Unit); |
| 231 | return nullptr; |
| 232 | } |
| 233 | if (!cxtu::getASTUnit(Unit)) |
| 234 | return nullptr; |
| 235 | return static_cast<CXDiagnostic>(lazyCreateDiags(Unit)); |
| 236 | } |
| 237 | |
| 238 | void clang_disposeDiagnostic(CXDiagnostic Diagnostic) { |
| 239 | |
| 240 | |
| 241 | } |
| 242 | |
| 243 | CXString clang_formatDiagnostic(CXDiagnostic Diagnostic, unsigned Options) { |
| 244 | if (!Diagnostic) |
| 245 | return cxstring::createEmpty(); |
| 246 | |
| 247 | CXDiagnosticSeverity Severity = clang_getDiagnosticSeverity(Diagnostic); |
| 248 | |
| 249 | SmallString<256> Str; |
| 250 | llvm::raw_svector_ostream Out(Str); |
| 251 | |
| 252 | if (Options & CXDiagnostic_DisplaySourceLocation) { |
| 253 | |
| 254 | |
| 255 | CXFile File; |
| 256 | unsigned Line, Column; |
| 257 | clang_getSpellingLocation(clang_getDiagnosticLocation(Diagnostic), |
| 258 | &File, &Line, &Column, nullptr); |
| 259 | if (File) { |
| 260 | CXString FName = clang_getFileName(File); |
| 261 | Out << clang_getCString(FName) << ":" << Line << ":"; |
| 262 | clang_disposeString(FName); |
| 263 | if (Options & CXDiagnostic_DisplayColumn) |
| 264 | Out << Column << ":"; |
| 265 | |
| 266 | if (Options & CXDiagnostic_DisplaySourceRanges) { |
| 267 | unsigned N = clang_getDiagnosticNumRanges(Diagnostic); |
| 268 | bool PrintedRange = false; |
| 269 | for (unsigned I = 0; I != N; ++I) { |
| 270 | CXFile StartFile, EndFile; |
| 271 | CXSourceRange Range = clang_getDiagnosticRange(Diagnostic, I); |
| 272 | |
| 273 | unsigned StartLine, StartColumn, EndLine, EndColumn; |
| 274 | clang_getSpellingLocation(clang_getRangeStart(Range), |
| 275 | &StartFile, &StartLine, &StartColumn, |
| 276 | nullptr); |
| 277 | clang_getSpellingLocation(clang_getRangeEnd(Range), |
| 278 | &EndFile, &EndLine, &EndColumn, nullptr); |
| 279 | |
| 280 | if (StartFile != EndFile || StartFile != File) |
| 281 | continue; |
| 282 | |
| 283 | Out << "{" << StartLine << ":" << StartColumn << "-" |
| 284 | << EndLine << ":" << EndColumn << "}"; |
| 285 | PrintedRange = true; |
| 286 | } |
| 287 | if (PrintedRange) |
| 288 | Out << ":"; |
| 289 | } |
| 290 | |
| 291 | Out << " "; |
| 292 | } |
| 293 | } |
| 294 | |
| 295 | |
| 296 | switch (Severity) { |
| 297 | case CXDiagnostic_Ignored: llvm_unreachable("impossible"); |
| 298 | case CXDiagnostic_Note: Out << "note: "; break; |
| 299 | case CXDiagnostic_Warning: Out << "warning: "; break; |
| 300 | case CXDiagnostic_Error: Out << "error: "; break; |
| 301 | case CXDiagnostic_Fatal: Out << "fatal error: "; break; |
| 302 | } |
| 303 | |
| 304 | CXString Text = clang_getDiagnosticSpelling(Diagnostic); |
| 305 | if (clang_getCString(Text)) |
| 306 | Out << clang_getCString(Text); |
| 307 | else |
| 308 | Out << "<no diagnostic text>"; |
| 309 | clang_disposeString(Text); |
| 310 | |
| 311 | if (Options & (CXDiagnostic_DisplayOption | CXDiagnostic_DisplayCategoryId | |
| 312 | CXDiagnostic_DisplayCategoryName)) { |
| 313 | bool NeedBracket = true; |
| 314 | bool NeedComma = false; |
| 315 | |
| 316 | if (Options & CXDiagnostic_DisplayOption) { |
| 317 | CXString OptionName = clang_getDiagnosticOption(Diagnostic, nullptr); |
| 318 | if (const char *OptionText = clang_getCString(OptionName)) { |
| 319 | if (OptionText[0]) { |
| 320 | Out << " [" << OptionText; |
| 321 | NeedBracket = false; |
| 322 | NeedComma = true; |
| 323 | } |
| 324 | } |
| 325 | clang_disposeString(OptionName); |
| 326 | } |
| 327 | |
| 328 | if (Options & (CXDiagnostic_DisplayCategoryId | |
| 329 | CXDiagnostic_DisplayCategoryName)) { |
| 330 | if (unsigned CategoryID = clang_getDiagnosticCategory(Diagnostic)) { |
| 331 | if (Options & CXDiagnostic_DisplayCategoryId) { |
| 332 | if (NeedBracket) |
| 333 | Out << " ["; |
| 334 | if (NeedComma) |
| 335 | Out << ", "; |
| 336 | Out << CategoryID; |
| 337 | NeedBracket = false; |
| 338 | NeedComma = true; |
| 339 | } |
| 340 | |
| 341 | if (Options & CXDiagnostic_DisplayCategoryName) { |
| 342 | CXString CategoryName = clang_getDiagnosticCategoryText(Diagnostic); |
| 343 | if (NeedBracket) |
| 344 | Out << " ["; |
| 345 | if (NeedComma) |
| 346 | Out << ", "; |
| 347 | Out << clang_getCString(CategoryName); |
| 348 | NeedBracket = false; |
| 349 | NeedComma = true; |
| 350 | clang_disposeString(CategoryName); |
| 351 | } |
| 352 | } |
| 353 | } |
| 354 | |
| 355 | (void) NeedComma; |
| 356 | if (!NeedBracket) |
| 357 | Out << "]"; |
| 358 | } |
| 359 | |
| 360 | return cxstring::createDup(Out.str()); |
| 361 | } |
| 362 | |
| 363 | unsigned clang_defaultDiagnosticDisplayOptions() { |
| 364 | return CXDiagnostic_DisplaySourceLocation | CXDiagnostic_DisplayColumn | |
| 365 | CXDiagnostic_DisplayOption; |
| 366 | } |
| 367 | |
| 368 | enum CXDiagnosticSeverity clang_getDiagnosticSeverity(CXDiagnostic Diag) { |
| 369 | if (CXDiagnosticImpl *D = static_cast<CXDiagnosticImpl*>(Diag)) |
| 370 | return D->getSeverity(); |
| 371 | return CXDiagnostic_Ignored; |
| 372 | } |
| 373 | |
| 374 | CXSourceLocation clang_getDiagnosticLocation(CXDiagnostic Diag) { |
| 375 | if (CXDiagnosticImpl *D = static_cast<CXDiagnosticImpl*>(Diag)) |
| 376 | return D->getLocation(); |
| 377 | return clang_getNullLocation(); |
| 378 | } |
| 379 | |
| 380 | CXString clang_getDiagnosticSpelling(CXDiagnostic Diag) { |
| 381 | if (CXDiagnosticImpl *D = static_cast<CXDiagnosticImpl *>(Diag)) |
| 382 | return D->getSpelling(); |
| 383 | return cxstring::createEmpty(); |
| 384 | } |
| 385 | |
| 386 | CXString clang_getDiagnosticOption(CXDiagnostic Diag, CXString *Disable) { |
| 387 | if (Disable) |
| 388 | *Disable = cxstring::createEmpty(); |
| 389 | |
| 390 | if (CXDiagnosticImpl *D = static_cast<CXDiagnosticImpl *>(Diag)) |
| 391 | return D->getDiagnosticOption(Disable); |
| 392 | |
| 393 | return cxstring::createEmpty(); |
| 394 | } |
| 395 | |
| 396 | unsigned clang_getDiagnosticCategory(CXDiagnostic Diag) { |
| 397 | if (CXDiagnosticImpl *D = static_cast<CXDiagnosticImpl *>(Diag)) |
| 398 | return D->getCategory(); |
| 399 | return 0; |
| 400 | } |
| 401 | |
| 402 | CXString clang_getDiagnosticCategoryName(unsigned Category) { |
| 403 | |
| 404 | return cxstring::createRef(DiagnosticIDs::getCategoryNameFromID(Category)); |
| 405 | } |
| 406 | |
| 407 | CXString clang_getDiagnosticCategoryText(CXDiagnostic Diag) { |
| 408 | if (CXDiagnosticImpl *D = static_cast<CXDiagnosticImpl *>(Diag)) |
| 409 | return D->getCategoryText(); |
| 410 | return cxstring::createEmpty(); |
| 411 | } |
| 412 | |
| 413 | unsigned clang_getDiagnosticNumRanges(CXDiagnostic Diag) { |
| 414 | if (CXDiagnosticImpl *D = static_cast<CXDiagnosticImpl *>(Diag)) |
| 415 | return D->getNumRanges(); |
| 416 | return 0; |
| 417 | } |
| 418 | |
| 419 | CXSourceRange clang_getDiagnosticRange(CXDiagnostic Diag, unsigned Range) { |
| 420 | CXDiagnosticImpl *D = static_cast<CXDiagnosticImpl *>(Diag); |
| 421 | if (!D || Range >= D->getNumRanges()) |
| 422 | return clang_getNullRange(); |
| 423 | return D->getRange(Range); |
| 424 | } |
| 425 | |
| 426 | unsigned clang_getDiagnosticNumFixIts(CXDiagnostic Diag) { |
| 427 | if (CXDiagnosticImpl *D = static_cast<CXDiagnosticImpl *>(Diag)) |
| 428 | return D->getNumFixIts(); |
| 429 | return 0; |
| 430 | } |
| 431 | |
| 432 | CXString clang_getDiagnosticFixIt(CXDiagnostic Diag, unsigned FixIt, |
| 433 | CXSourceRange *ReplacementRange) { |
| 434 | CXDiagnosticImpl *D = static_cast<CXDiagnosticImpl *>(Diag); |
| 435 | if (!D || FixIt >= D->getNumFixIts()) { |
| 436 | if (ReplacementRange) |
| 437 | *ReplacementRange = clang_getNullRange(); |
| 438 | return cxstring::createEmpty(); |
| 439 | } |
| 440 | return D->getFixIt(FixIt, ReplacementRange); |
| 441 | } |
| 442 | |
| 443 | void clang_disposeDiagnosticSet(CXDiagnosticSet Diags) { |
| 444 | if (CXDiagnosticSetImpl *D = static_cast<CXDiagnosticSetImpl *>(Diags)) { |
| 445 | if (D->isExternallyManaged()) |
| 446 | delete D; |
| 447 | } |
| 448 | } |
| 449 | |
| 450 | CXDiagnostic clang_getDiagnosticInSet(CXDiagnosticSet Diags, |
| 451 | unsigned Index) { |
| 452 | if (CXDiagnosticSetImpl *D = static_cast<CXDiagnosticSetImpl*>(Diags)) |
| 453 | if (Index < D->getNumDiagnostics()) |
| 454 | return D->getDiagnostic(Index); |
| 455 | return nullptr; |
| 456 | } |
| 457 | |
| 458 | CXDiagnosticSet clang_getChildDiagnostics(CXDiagnostic Diag) { |
| 459 | if (CXDiagnosticImpl *D = static_cast<CXDiagnosticImpl *>(Diag)) { |
| 460 | CXDiagnosticSetImpl &ChildDiags = D->getChildDiagnostics(); |
| 461 | return ChildDiags.empty() ? nullptr : (CXDiagnosticSet) &ChildDiags; |
| 462 | } |
| 463 | return nullptr; |
| 464 | } |
| 465 | |
| 466 | unsigned clang_getNumDiagnosticsInSet(CXDiagnosticSet Diags) { |
| 467 | if (CXDiagnosticSetImpl *D = static_cast<CXDiagnosticSetImpl*>(Diags)) |
| 468 | return D->getNumDiagnostics(); |
| 469 | return 0; |
| 470 | } |
| 471 | |