clang: lib/Basic/Diagnostic.cpp Source File (original) (raw)
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26#include "llvm/ADT/IntrusiveRefCntPtr.h"
27#include "llvm/ADT/SmallString.h"
28#include "llvm/ADT/SmallVector.h"
29#include "llvm/ADT/StringExtras.h"
30#include "llvm/ADT/StringMap.h"
31#include "llvm/ADT/StringRef.h"
32#include "llvm/Support/ConvertUTF.h"
33#include "llvm/Support/CrashRecoveryContext.h"
34#include "llvm/Support/Error.h"
35#include "llvm/Support/MemoryBuffer.h"
36#include "llvm/Support/SpecialCaseList.h"
37#include "llvm/Support/Unicode.h"
38#include "llvm/Support/VirtualFileSystem.h"
39#include "llvm/Support/raw_ostream.h"
40#include
41#include
42#include
43#include
44#include
45#include
46#include
47#include
48#include
49#include
50
51using namespace clang;
52
56 ("'" +
58 nullability.second) +
59 "'")
60 .str());
61 return DB;
62}
63
65 llvm::Error &&E) {
67 return DB;
68}
69
71 StringRef Modifier, StringRef Argument,
74 void *Cookie,
76 StringRef Str = "<can't format argument>";
77 Output.append(Str.begin(), Str.end());
78}
79
83 bool ShouldOwnClient)
84 : Diags(std::move(diags)), DiagOpts(std::move(DiagOpts)) {
85 setClient(client, ShouldOwnClient);
87
89}
90
92
93
95}
96
98 DiagStatesByLoc.dump(*SourceMgr);
99}
100
102 DiagStatesByLoc.dump(*SourceMgr, DiagName);
103}
104
106 bool ShouldOwnClient) {
107 Owner.reset(ShouldOwnClient ? client : nullptr);
108 Client = client;
109}
110
112 DiagStateOnPushStack.push_back(GetCurDiagState());
113}
114
116 if (DiagStateOnPushStack.empty())
117 return false;
118
119 if (DiagStateOnPushStack.back() != GetCurDiagState()) {
120
121 PushDiagStatePoint(DiagStateOnPushStack.back(), Loc);
122 }
123 DiagStateOnPushStack.pop_back();
124 return true;
125}
126
128 ErrorOccurred = false;
129 UncompilableErrorOccurred = false;
130 FatalErrorOccurred = false;
131 UnrecoverableErrorOccurred = false;
132
133 NumWarnings = 0;
134 NumErrors = 0;
135 TrapNumErrorsOccurred = 0;
136 TrapNumUnrecoverableErrorsOccurred = 0;
137
139
140 if (!soft) {
141
142 DiagStates.clear();
143 DiagStatesByLoc.clear();
144 DiagStateOnPushStack.clear();
145
146
147
148 DiagStates.emplace_back();
149 DiagStatesByLoc.appendFirst(&DiagStates.back());
150 }
151}
152
154DiagnosticsEngine::DiagState::getOrAddMapping(diag::kind Diag) {
155 std::pair<iterator, bool> Result =
157
158
161
162 return Result.first->second;
163}
164
165void DiagnosticsEngine::DiagStateMap::appendFirst(DiagState *State) {
166 assert(Files.empty() && "not first");
167 FirstDiagState = CurDiagState = State;
169}
170
171void DiagnosticsEngine::DiagStateMap::append(SourceManager &SrcMgr,
173 DiagState *State) {
174 CurDiagState = State;
175 CurDiagStateLoc = Loc;
176
178 unsigned Offset = Decomp.second;
179 for (File *F = getFile(SrcMgr, Decomp.first); F;
180 Offset = F->ParentOffset, F = F->Parent) {
181 F->HasLocalTransitions = true;
182 auto &Last = F->StateTransitions.back();
183 assert(Last.Offset <= Offset && "state transitions added out of order");
184
185 if (Last.Offset == Offset) {
186 if (Last.State == State)
187 break;
188 Last.State = State;
189 continue;
190 }
191
192 F->StateTransitions.push_back({State, Offset});
193 }
194}
195
196DiagnosticsEngine::DiagState *
197DiagnosticsEngine::DiagStateMap::lookup(SourceManager &SrcMgr,
199
200 if (Files.empty())
201 return FirstDiagState;
202
204 const File *F = getFile(SrcMgr, Decomp.first);
205 return F->lookup(Decomp.second);
206}
207
208DiagnosticsEngine::DiagState *
209DiagnosticsEngine::DiagStateMap::File::lookup(unsigned Offset) const {
210 auto OnePastIt =
211 llvm::partition_point(StateTransitions, [=](const DiagStatePoint &P) {
212 return P.Offset <= Offset;
213 });
214 assert(OnePastIt != StateTransitions.begin() && "missing initial state");
215 return OnePastIt[-1].State;
216}
217
218DiagnosticsEngine::DiagStateMap::File *
219DiagnosticsEngine::DiagStateMap::getFile(SourceManager &SrcMgr,
221
222 auto Range = Files.equal_range(ID);
224 return &Range.first->second;
225 auto &F = Files.insert(Range.first, std::make_pair(ID, File()))->second;
226
227
228
229 if (ID.isValid()) {
231 F.Parent = getFile(SrcMgr, Decomp.first);
232 F.ParentOffset = Decomp.second;
233 F.StateTransitions.push_back({F.Parent->lookup(Decomp.second), 0});
234 } else {
235
236
237
238
239
240
241
242 F.StateTransitions.push_back({FirstDiagState, 0});
243 }
244 return &F;
245}
246
247void DiagnosticsEngine::DiagStateMap::dump(SourceManager &SrcMgr,
248 StringRef DiagName) const {
249 llvm::errs() << "diagnostic state at ";
250 CurDiagStateLoc.print(llvm::errs(), SrcMgr);
251 llvm::errs() << ": " << CurDiagState << "\n";
252
253 for (auto &F : Files) {
256
257 bool PrintedOuterHeading = false;
258 auto PrintOuterHeading = [&] {
259 if (PrintedOuterHeading) return;
260 PrintedOuterHeading = true;
261
262 llvm::errs() << "File " << &File << " <FileID " << ID.getHashValue()
263 << ">: " << SrcMgr.getBufferOrFake(ID).getBufferIdentifier();
264
265 if (F.second.Parent) {
266 std::pair<FileID, unsigned> Decomp =
268 assert(File.ParentOffset == Decomp.second);
269 llvm::errs() << " parent " << File.Parent << " <FileID "
270 << Decomp.first.getHashValue() << "> ";
273 .print(llvm::errs(), SrcMgr);
274 }
275 if (File.HasLocalTransitions)
276 llvm::errs() << " has_local_transitions";
277 llvm::errs() << "\n";
278 };
279
280 if (DiagName.empty())
281 PrintOuterHeading();
282
283 for (DiagStatePoint &Transition : File.StateTransitions) {
284 bool PrintedInnerHeading = false;
285 auto PrintInnerHeading = [&] {
286 if (PrintedInnerHeading) return;
287 PrintedInnerHeading = true;
288
289 PrintOuterHeading();
290 llvm::errs() << " ";
293 .print(llvm::errs(), SrcMgr);
294 llvm::errs() << ": state " << Transition.State << ":\n";
295 };
296
297 if (DiagName.empty())
298 PrintInnerHeading();
299
300 for (auto &Mapping : *Transition.State) {
301 StringRef Option =
303 if (!DiagName.empty() && DiagName != Option)
304 continue;
305
306 PrintInnerHeading();
307 llvm::errs() << " ";
308 if (Option.empty())
309 llvm::errs() << "<unknown " << Mapping.first << ">";
310 else
311 llvm::errs() << Option;
312 llvm::errs() << ": ";
313
314 switch (Mapping.second.getSeverity()) {
320 }
321
322 if (!Mapping.second.isUser())
323 llvm::errs() << " default";
324 if (Mapping.second.isPragma())
325 llvm::errs() << " pragma";
326 if (Mapping.second.hasNoWarningAsError())
327 llvm::errs() << " no-error";
328 if (Mapping.second.hasNoErrorAsFatal())
329 llvm::errs() << " no-fatal";
330 if (Mapping.second.wasUpgradedFromWarning())
331 llvm::errs() << " overruled";
332 llvm::errs() << "\n";
333 }
334 }
335 }
336}
337
338void DiagnosticsEngine::PushDiagStatePoint(DiagState *State,
340 assert(Loc.isValid() && "Adding invalid loc point");
341 DiagStatesByLoc.append(*SourceMgr, Loc, State);
342}
343
347 "Can only map builtin diagnostics");
348 assert((Diags->isBuiltinWarningOrExtension(Diag) ||
350 "Cannot map errors into warnings!");
351 assert((L.isInvalid() || SourceMgr) && "No SourceMgr for valid location");
352
353
354
355 bool WasUpgradedFromWarning = false;
361 WasUpgradedFromWarning = true;
362 }
363 }
366
367
368
372
373
374 if ((L.isInvalid() || L == DiagStatesByLoc.getCurDiagStateLoc()) &&
375 DiagStatesByLoc.getCurDiagState()) {
376
377
378
379
380 DiagStatesByLoc.getCurDiagState()->setMapping(Diag, Mapping);
381 return;
382 }
383
384
385
386
387 DiagStates.push_back(*GetCurDiagState());
388 DiagStates.back().setMapping(Diag, Mapping);
389 PushDiagStatePoint(&DiagStates.back(), L);
390}
391
395
397 if (Diags->getDiagnosticsInGroup(Flavor, Group, GroupDiags))
398 return true;
399
400
403
404 return false;
405}
406
411 return setSeverityForGroup(Flavor, Diags->getWarningOptionForGroup(Group),
412 Map, Loc);
413}
414
416 bool Enabled) {
417
418
419 if (Enabled)
422
423
424
425
426
429 GroupDiags))
430 return true;
431
432
435
439
441 }
442
443 return false;
444}
445
447 bool Enabled) {
448
449
450 if (Enabled)
453
454
455
456
457
460 GroupDiags))
461 return true;
462
463
466
469
471 }
472
473 return false;
474}
475
479
480 std::vectordiag::kind AllDiags;
482
483
485 if (Diags->isBuiltinWarningOrExtension(Diag))
487}
488
489namespace {
490
491
492class WarningsSpecialCaseList : public llvm::SpecialCaseList {
493public:
494 static std::unique_ptr
495 create(const llvm::MemoryBuffer &Input, std::string &Err);
496
497
498
499
500
502
505
506private:
507
508
509
510 bool globsMatches(const llvm::StringMap &CategoriesToMatchers,
511 StringRef FilePath) const;
512
513 llvm::DenseMap<diag::kind, const Section *> DiagToSection;
514};
515}
516
517std::unique_ptr
518WarningsSpecialCaseList::create(const llvm::MemoryBuffer &Input,
519 std::string &Err) {
520 auto WarningSuppressionList = std::make_unique();
521 if (!WarningSuppressionList->createInternal(&Input, Err))
522 return nullptr;
523 return WarningSuppressionList;
524}
525
526void WarningsSpecialCaseList::processSections(DiagnosticsEngine &Diags) {
527
528
529
530 Sections.erase("*");
531
532 std::vector<std::pair<unsigned, const llvm::StringMapEntry
533 LineAndSectionEntry;
534 LineAndSectionEntry.reserve(Sections.size());
535 for (const auto &Entry : Sections) {
536 StringRef DiagName = Entry.getKey();
537
538
539 const auto &DiagSectionMatcher = Entry.getValue().SectionMatcher;
540 unsigned DiagLine = DiagSectionMatcher->Globs.at(DiagName).second;
541 LineAndSectionEntry.emplace_back(DiagLine, &Entry);
542 }
543 llvm::sort(LineAndSectionEntry);
545 for (const auto &[_, SectionEntry] : LineAndSectionEntry) {
547 StringRef DiagGroup = SectionEntry->getKey();
549 WarningFlavor, DiagGroup, GroupDiags)) {
550 StringRef Suggestion =
552 Diags.Report(diag::warn_unknown_diag_option)
553 << static_cast<unsigned>(WarningFlavor) << DiagGroup
554 << !Suggestion.empty() << Suggestion;
555 continue;
556 }
558
559
560 DiagToSection[Diag] = &SectionEntry->getValue();
561 }
562}
563
565 std::string Error;
566 auto WarningSuppressionList = WarningsSpecialCaseList::create(Input, Error);
567 if (!WarningSuppressionList) {
568
569
570 Report(diag::err_drv_malformed_warning_suppression_mapping)
571 << Input.getBufferIdentifier() << Error;
572 return;
573 }
574 WarningSuppressionList->processSections(*this);
575 DiagSuppressionMapping =
576 [WarningSuppressionList(std::move(WarningSuppressionList))](
578 return WarningSuppressionList->isDiagSuppressed(DiagId, DiagLoc, SM);
579 };
580}
581
582bool WarningsSpecialCaseList::isDiagSuppressed(diag::kind DiagId,
585 const Section *DiagSection = DiagToSection.lookup(DiagId);
586 if (!DiagSection)
587 return false;
588 const SectionEntries &EntityTypeToCategories = DiagSection->Entries;
589 auto SrcEntriesIt = EntityTypeToCategories.find("src");
590 if (SrcEntriesIt == EntityTypeToCategories.end())
591 return false;
592 const llvm::StringMapllvm::SpecialCaseList::Matcher &CategoriesToMatchers =
593 SrcEntriesIt->getValue();
594
595
596 if (PresumedLoc PLoc = SM.getPresumedLoc(DiagLoc); PLoc.isValid())
597 return globsMatches(
598 CategoriesToMatchers,
599 llvm::sys::path::remove_leading_dotslash(PLoc.getFilename()));
600 return false;
601}
602
603bool WarningsSpecialCaseList::globsMatches(
604 const llvm::StringMap &CategoriesToMatchers,
605 StringRef FilePath) const {
606 StringRef LongestMatch;
607 bool LongestIsPositive = false;
608 for (const auto &Entry : CategoriesToMatchers) {
609 StringRef Category = Entry.getKey();
610 const llvm::SpecialCaseList::Matcher &Matcher = Entry.getValue();
611 bool IsPositive = Category != "emit";
612 for (const auto &[Pattern, Glob] : Matcher.Globs) {
613 if (Pattern.size() < LongestMatch.size())
614 continue;
615 if (!Glob.first.match(FilePath))
616 continue;
617 LongestMatch = Pattern;
618 LongestIsPositive = IsPositive;
619 }
620 }
621 return LongestIsPositive;
622}
623
627 return false;
628 return DiagSuppressionMapping(DiagId, DiagLoc, getSourceManager());
629}
630
635
638
639 assert(Client && "DiagnosticConsumer not set!");
642 DiagStorage, storedDiag.getMessage());
646 ++NumWarnings;
647 }
648}
649
651 bool Force) {
652 assert(getClient() && "DiagnosticClient not set!");
653
654 bool Emitted;
655 if (Force) {
657
658
661
663 if (Emitted) {
664
665 Diags->EmitDiag(*this, DB, DiagLevel);
666 }
667 } else {
668
669
670 Emitted = ProcessDiag(DB);
671 }
672
673 return Emitted;
674}
675
679 DiagLoc(DiagLoc), DiagID(DiagID), IsActive(true) {
680 assert(DiagObj && "DiagnosticBuilder requires a valid DiagnosticsEngine!");
681}
682
685 DiagLoc = D.DiagLoc;
686 DiagID = D.DiagID;
687 FlagValue = D.FlagValue;
688 DiagObj = D.DiagObj;
690 D.DiagStorage = nullptr;
692 IsActive = D.IsActive;
693 IsForceEmit = D.IsForceEmit;
694 D.Clear();
695}
696
699 : DiagObj(DO), DiagLoc(DiagBuilder.DiagLoc), DiagID(DiagBuilder.DiagID),
700 FlagValue(DiagBuilder.FlagValue), DiagStorage(*DiagBuilder.getStorage()) {
701}
702
705 StringRef StoredDiagMessage)
706 : DiagObj(DO), DiagLoc(DiagLoc), DiagID(DiagID), DiagStorage(DiagStorage),
707 StoredDiagMessage(StoredDiagMessage) {}
708
710
714 return;
715
720}
721
722
723template <std::size_t StrLen>
724static bool ModifierIs(const char *Modifier, unsigned ModifierLen,
725 const char (&Str)[StrLen]) {
726 return StrLen-1 == ModifierLen && memcmp(Modifier, Str, StrLen-1) == 0;
727}
728
729
730
732 unsigned Depth = 0;
733
734 for ( ; I != E; ++I) {
735 if (Depth == 0 && *I == Target) return I;
736 if (Depth != 0 && *I == '}') Depth--;
737
738 if (*I == '%') {
739 I++;
740 if (I == E) break;
741
742
743
744
746 for (I++; I != E && (*I) && *I != '{'; I++) ;
747 if (I == E) break;
748 if (*I == '{')
749 Depth++;
750 }
751 }
752 }
753 return E;
754}
755
756
757
758
759
760
762 const char *Argument, unsigned ArgumentLen,
764 const char *ArgumentEnd = Argument+ArgumentLen;
765
766
767 while (ValNo) {
768 const char *NextVal = ScanFormat(Argument, ArgumentEnd, '|');
769 assert(NextVal != ArgumentEnd && "Value for integer select modifier was"
770 " larger than the number of options in the diagnostic string!");
771 Argument = NextVal+1;
772 --ValNo;
773 }
774
775
776 const char *EndPtr = ScanFormat(Argument, ArgumentEnd, '|');
777
778
780}
781
782
783
784
787 if (ValNo != 1)
788 OutStr.push_back('s');
789}
790
791
792
793
794
797 assert(ValNo != 0 && "ValNo must be strictly positive!");
798
799 llvm::raw_svector_ostream Out(OutStr);
800
801
802
803 Out << ValNo << llvm::getOrdinalSuffix(ValNo);
804}
805
806
807
808
809
810
811
814 static constexpr std::array<std::pair<int64_t, char>, 4> Units = {
815 {{1'000'000'000'000L, 'T'},
816 {1'000'000'000L, 'G'},
817 {1'000'000L, 'M'},
818 {1'000L, 'k'}}};
819
820 llvm::raw_svector_ostream Out(OutStr);
821 if (ValNo < 0) {
822 Out << "-";
823 ValNo = -ValNo;
824 }
825 for (const auto &[UnitSize, UnitSign] : Units) {
826 if (ValNo >= UnitSize) {
827 Out << llvm::format("%0.2f%c", ValNo / static_cast<double>(UnitSize),
828 UnitSign);
829 return;
830 }
831 }
832 Out << ValNo;
833}
834
835
836static unsigned PluralNumber(const char *&Start, const char *End) {
837
838 unsigned Val = 0;
839 while (Start != End && *Start >= '0' && *Start <= '9') {
840 Val *= 10;
841 Val += *Start - '0';
842 ++Start;
843 }
844 return Val;
845}
846
847
848static bool TestPluralRange(unsigned Val, const char *&Start, const char *End) {
849 if (*Start != '[') {
851 return Ref == Val;
852 }
853
854 ++Start;
856 assert(*Start == ',' && "Bad plural expression syntax: expected ,");
857 ++Start;
859 assert(*Start == ']' && "Bad plural expression syntax: expected )");
860 ++Start;
861 return Low <= Val && Val <= High;
862}
863
864
865static bool EvalPluralExpr(unsigned ValNo, const char *Start, const char *End) {
866
867 if (*Start == ':')
868 return true;
869
870 while (true) {
871 char C = *Start;
872 if (C == '%') {
873
874 ++Start;
876 assert(*Start == '=' && "Bad plural expression syntax: expected =");
877 ++Start;
878 unsigned ValMod = ValNo % Arg;
880 return true;
881 } else {
882 assert((C == '[' || (C >= '0' && C <= '9')) &&
883 "Bad plural expression syntax: unexpected character");
884
886 return true;
887 }
888
889
890 Start = std::find(Start, End, ',');
891 if (Start == End)
892 break;
893 ++Start;
894 }
895 return false;
896}
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
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916
917
918
919
920
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926
927
928
929
930
932 const char *Argument, unsigned ArgumentLen,
934 const char *ArgumentEnd = Argument + ArgumentLen;
935 while (true) {
936 assert(Argument < ArgumentEnd && "Plural expression didn't match.");
937 const char *ExprEnd = Argument;
938 while (*ExprEnd != ':') {
939 assert(ExprEnd != ArgumentEnd && "Plural missing expression end");
940 ++ExprEnd;
941 }
943 Argument = ExprEnd + 1;
944 ExprEnd = ScanFormat(Argument, ArgumentEnd, '|');
945
946
947
949 return;
950 }
951 Argument = ScanFormat(Argument, ArgumentEnd - 1, '|') + 1;
952 }
953}
954
955
956
957
959 switch (Kind) {
960 case tok::identifier:
961 return "identifier";
962 default:
963 return nullptr;
964 }
965}
966
967
968
969
972 if (StoredDiagMessage.has_value()) {
973 OutStr.append(StoredDiagMessage->begin(), StoredDiagMessage->end());
974 return;
975 }
976
977 StringRef Diag =
979
981}
982
983
984
987 OutStr.reserve(OutStr.size() + Str.size());
988 auto *Begin = reinterpret_cast<const unsigned char *>(Str.data());
989 llvm::raw_svector_ostream OutStream(OutStr);
990 const unsigned char *End = Begin + Str.size();
991 while (Begin != End) {
992
994 OutStream << *Begin;
996 continue;
997 }
998 if (llvm::isLegalUTF8Sequence(Begin, End)) {
999 llvm::UTF32 CodepointValue;
1000 llvm::UTF32 *CpPtr = &CodepointValue;
1001 const unsigned char *CodepointBegin = Begin;
1002 const unsigned char *CodepointEnd =
1003 Begin + llvm::getNumBytesForUTF8(*Begin);
1004 llvm::ConversionResult Res = llvm::ConvertUTF8toUTF32(
1005 &Begin, CodepointEnd, &CpPtr, CpPtr + 1, llvm::strictConversion);
1006 (void)Res;
1007 assert(
1008 llvm::conversionOK == Res &&
1009 "the sequence is legal UTF-8 but we couldn't convert it to UTF-32");
1010 assert(Begin == CodepointEnd &&
1011 "we must be further along in the string now");
1012 if (llvm::sys::unicode::isPrintable(CodepointValue) ||
1013 llvm::sys::unicode::isFormatting(CodepointValue)) {
1014 OutStr.append(CodepointBegin, CodepointEnd);
1015 continue;
1016 }
1017
1018 OutStream << "<U+" << llvm::format_hex_no_prefix(CodepointValue, 4, true)
1019 << ">";
1020 continue;
1021 }
1022
1023 OutStream << "<" << llvm::format_hex_no_prefix(*Begin, 2, true) << ">";
1025 }
1026}
1027
1031
1032
1033
1034 if (DiagEnd - DiagStr == 2 && StringRef(DiagStr, DiagEnd - DiagStr) == "%0" &&
1038 return;
1039 }
1040
1041
1042
1043
1044
1046
1047
1048
1051
1052 for (unsigned i = 0, e = getNumArgs(); i < e; ++i)
1054 QualTypeVals.push_back(getRawArg(i));
1055
1056 while (DiagStr != DiagEnd) {
1057 if (DiagStr[0] != '%') {
1058
1059 const char *StrEnd = std::find(DiagStr, DiagEnd, '%');
1060 OutStr.append(DiagStr, StrEnd);
1061 DiagStr = StrEnd;
1062 continue;
1064 OutStr.push_back(DiagStr[1]);
1065 DiagStr += 2;
1066 continue;
1067 }
1068
1069
1070 ++DiagStr;
1071
1072
1073
1074
1075
1076
1077 const char *Modifier = nullptr, *Argument = nullptr;
1078 unsigned ModifierLen = 0, ArgumentLen = 0;
1079
1080
1081 if ((DiagStr[0])) {
1082 Modifier = DiagStr;
1083 while (DiagStr[0] == '-' ||
1084 (DiagStr[0] >= 'a' && DiagStr[0] <= 'z'))
1085 ++DiagStr;
1086 ModifierLen = DiagStr-Modifier;
1087
1088
1089 if (DiagStr[0] == '{') {
1090 ++DiagStr;
1091 Argument = DiagStr;
1092
1093 DiagStr = ScanFormat(DiagStr, DiagEnd, '}');
1094 assert(DiagStr != DiagEnd && "Mismatched {}'s in diagnostic string!");
1095 ArgumentLen = DiagStr-Argument;
1096 ++DiagStr;
1097 }
1098 }
1099
1100 assert(isDigit(*DiagStr) && "Invalid format for argument in diagnostic");
1101 unsigned ArgNo = *DiagStr++ - '0';
1102
1103
1104 unsigned ArgNo2 = ArgNo;
1105
1107 if (ModifierIs(Modifier, ModifierLen, "diff")) {
1108 assert(*DiagStr == ',' && isDigit(*(DiagStr + 1)) &&
1109 "Invalid format for diff modifier");
1110 ++DiagStr;
1111 ArgNo2 = *DiagStr++ - '0';
1116 else {
1117
1118
1119
1120
1121
1122 const char *ArgumentEnd = Argument + ArgumentLen;
1123 const char *Pipe = ScanFormat(Argument, ArgumentEnd, '|');
1124 assert(ScanFormat(Pipe + 1, ArgumentEnd, '|') == ArgumentEnd &&
1125 "Found too many '|'s in a %diff modifier!");
1126 const char *FirstDollar = ScanFormat(Argument, Pipe, '$');
1127 const char *SecondDollar = ScanFormat(FirstDollar + 1, Pipe, '$');
1128 const char ArgStr1[] = { '%', static_cast<char>('0' + ArgNo) };
1129 const char ArgStr2[] = { '%', static_cast<char>('0' + ArgNo2) };
1135 continue;
1136 }
1137 }
1138
1139 switch (Kind) {
1140
1143 assert(ModifierLen == 0 && "No modifiers for strings yet");
1145 break;
1146 }
1149 assert(ModifierLen == 0 && "No modifiers for strings yet");
1150
1151
1152 if (!S)
1153 S = "(null)";
1155 break;
1156 }
1157
1160
1161 if (ModifierIs(Modifier, ModifierLen, "select")) {
1163 OutStr);
1164 } else if (ModifierIs(Modifier, ModifierLen, "s")) {
1166 } else if (ModifierIs(Modifier, ModifierLen, "plural")) {
1168 OutStr);
1169 } else if (ModifierIs(Modifier, ModifierLen, "ordinal")) {
1171 } else if (ModifierIs(Modifier, ModifierLen, "human")) {
1173 } else {
1174 assert(ModifierLen == 0 && "Unknown integer modifier");
1175 llvm::raw_svector_ostream(OutStr) << Val;
1176 }
1177 break;
1178 }
1181
1182 if (ModifierIs(Modifier, ModifierLen, "select")) {
1184 } else if (ModifierIs(Modifier, ModifierLen, "s")) {
1186 } else if (ModifierIs(Modifier, ModifierLen, "plural")) {
1188 OutStr);
1189 } else if (ModifierIs(Modifier, ModifierLen, "ordinal")) {
1191 } else if (ModifierIs(Modifier, ModifierLen, "human")) {
1193 } else {
1194 assert(ModifierLen == 0 && "Unknown integer modifier");
1195 llvm::raw_svector_ostream(OutStr) << Val;
1196 }
1197 break;
1198 }
1199
1202 assert(ModifierLen == 0 && "No modifiers for token kinds yet");
1203
1204 llvm::raw_svector_ostream Out(OutStr);
1206
1207 Out << '\'' << S << '\'';
1209
1210 Out << S;
1212
1213 Out << S;
1215
1216 Out << '<' << S << '>';
1217 else
1218 Out << "(null)";
1219 break;
1220 }
1221
1224 assert(ModifierLen == 0 && "No modifiers for strings yet");
1225
1226
1227 if (!II) {
1228 const char *S = "(null)";
1229 OutStr.append(S, S + strlen(S));
1230 continue;
1231 }
1232
1233 llvm::raw_svector_ostream(OutStr) << '\'' << II->getName() << '\'';
1234 break;
1235 }
1245 StringRef(Modifier, ModifierLen),
1246 StringRef(Argument, ArgumentLen),
1247 FormattedArgs,
1248 OutStr, QualTypeVals);
1249 break;
1251
1259
1260 const char *ArgumentEnd = Argument + ArgumentLen;
1261 const char *Pipe = ScanFormat(Argument, ArgumentEnd, '|');
1262
1263
1264
1265 if (getDiags()->PrintTemplateTree && Tree.empty()) {
1269 StringRef(Modifier, ModifierLen),
1270 StringRef(Argument, ArgumentLen),
1271 FormattedArgs,
1272 Tree, QualTypeVals);
1273
1274 if (.empty()) {
1276 break;
1277 }
1278 }
1279
1280
1281
1282 const char *FirstDollar = ScanFormat(Argument, ArgumentEnd, '$');
1283 const char *SecondDollar = ScanFormat(FirstDollar + 1, ArgumentEnd, '$');
1284
1285
1287
1288
1292 StringRef(Modifier, ModifierLen),
1293 StringRef(Argument, ArgumentLen),
1294 FormattedArgs,
1295 OutStr, QualTypeVals);
1299
1300
1302
1303
1306 StringRef(Modifier, ModifierLen),
1307 StringRef(Argument, ArgumentLen),
1308 FormattedArgs,
1309 OutStr, QualTypeVals);
1313
1314
1316 break;
1317 }
1318 }
1319
1320
1321
1322
1324 continue;
1326 FormattedArgs.push_back(std::make_pair(Kind, getRawArg(ArgNo)));
1327 else
1330 }
1331
1332
1333 OutStr.append(Tree.begin(), Tree.end());
1334}
1335
1337 StringRef Message)
1338 : ID(ID), Level(Level), Message(Message) {}
1339
1342 : ID(Info.getID()), Level(Level) {
1344 "Valid source location without setting a source manager for diagnostic");
1349 this->Message.assign(Message.begin(), Message.end());
1350 this->Ranges.assign(Info.getRanges().begin(), Info.getRanges().end());
1352}
1353
1358 : ID(ID), Level(Level), Loc(Loc), Message(Message),
1359 Ranges(Ranges.begin(), Ranges.end()), FixIts(FixIts.begin(), FixIts.end())
1360{
1361}
1362
1368 return OS;
1369}
1370
1371
1372
1373
1374
1376
1377void IgnoringDiagConsumer::anchor() {}
1378
1380
1384 Target.HandleDiagnostic(DiagLevel, Info);
1385}
1386
1390}
1391
1393 return Target.IncludeInDiagnosticCounts();
1394}
1395
1397 for (unsigned I = 0; I != NumCached; ++I)
1398 FreeList[I] = Cached + I;
1399 NumFreeListEntries = NumCached;
1400}
1401
1403
1404
1405 assert((NumFreeListEntries == NumCached ||
1406 llvm::CrashRecoveryContext::isRecoveringFromCrash()) &&
1407 "A partial is on the lam");
1408}
1409
static const char * ScanFormat(const char *I, const char *E, char Target)
ScanForward - Scans forward, looking for the given character, skipping nested clauses and escaped cha...
static void HandlePluralModifier(const Diagnostic &DInfo, unsigned ValNo, const char *Argument, unsigned ArgumentLen, SmallVectorImpl< char > &OutStr)
HandlePluralModifier - Handle the integer 'plural' modifier.
static void HandleIntegerSModifier(unsigned ValNo, SmallVectorImpl< char > &OutStr)
HandleIntegerSModifier - Handle the integer 's' modifier.
static void DummyArgToStringFn(DiagnosticsEngine::ArgumentKind AK, intptr_t QT, StringRef Modifier, StringRef Argument, ArrayRef< DiagnosticsEngine::ArgumentValue > PrevArgs, SmallVectorImpl< char > &Output, void *Cookie, ArrayRef< intptr_t > QualTypeVals)
static bool EvalPluralExpr(unsigned ValNo, const char *Start, const char *End)
EvalPluralExpr - Actual expression evaluator for HandlePluralModifier.
static void HandleIntegerHumanModifier(int64_t ValNo, SmallVectorImpl< char > &OutStr)
static unsigned PluralNumber(const char *&Start, const char *End)
PluralNumber - Parse an unsigned integer and advance Start.
static void HandleSelectModifier(const Diagnostic &DInfo, unsigned ValNo, const char *Argument, unsigned ArgumentLen, SmallVectorImpl< char > &OutStr)
HandleSelectModifier - Handle the integer 'select' modifier.
static bool ModifierIs(const char *Modifier, unsigned ModifierLen, const char(&Str)[StrLen])
ModifierIs - Return true if the specified modifier matches specified string.
static bool TestPluralRange(unsigned Val, const char *&Start, const char *End)
TestPluralRange - Test if Val is in the parsed range. Modifies Start.
static void HandleOrdinalModifier(unsigned ValNo, SmallVectorImpl< char > &OutStr)
HandleOrdinalModifier - Handle the integer 'ord' modifier.
static const char * getTokenDescForDiagnostic(tok::TokenKind Kind)
Returns the friendly description for a token kind that will appear without quotes in diagnostic messa...
Defines the Diagnostic-related interfaces.
static llvm::GlobalValue::DLLStorageClassTypes getStorage(CodeGenModule &CGM, StringRef Name)
Defines the Diagnostic IDs-related interfaces.
Defines the clang::IdentifierInfo, clang::IdentifierTable, and clang::Selector interfaces.
static DiagnosticBuilder Diag(DiagnosticsEngine *Diags, const LangOptions &Features, FullSourceLoc TokLoc, const char *TokBegin, const char *TokRangeBegin, const char *TokRangeEnd, unsigned DiagID)
Produce a diagnostic highlighting some portion of a literal.
llvm::MachO::Target Target
Implements a partial diagnostic that can be emitted anwyhere in a DiagnosticBuilder stream.
static std::string toString(const clang::SanitizerSet &Sanitizers)
Produce a string containing comma-separated names of sanitizers in Sanitizers set.
Defines the clang::SourceLocation class and associated facilities.
Defines the SourceManager interface.
Defines various enumerations that describe declaration and type specifiers.
Defines the clang::TokenKind enum and support functions.
A little helper class used to produce diagnostics.
Abstract interface, implemented by clients of the front-end, which formats and prints fully processed...
virtual ~DiagnosticConsumer()
virtual void HandleDiagnostic(DiagnosticsEngine::Level DiagLevel, const Diagnostic &Info)
Handle this diagnostic, reporting it to the user or capturing it to a log as needed.
unsigned NumErrors
Number of errors reported.
unsigned NumWarnings
Number of warnings reported.
virtual bool IncludeInDiagnosticCounts() const
Indicates whether the diagnostics handled by this DiagnosticConsumer should be included in the number...
static StringRef getNearestOption(diag::Flavor Flavor, StringRef Group)
Get the diagnostic option with the closest edit distance to the given group name.
static StringRef getWarningOptionForDiag(unsigned DiagID)
Return the lowest-level warning option that enables the specified diagnostic.
Level
The level of the diagnostic, after it has been through mapping.
static void getAllDiagnostics(diag::Flavor Flavor, std::vector< diag::kind > &Diags)
Get the set of all diagnostic IDs.
static DiagnosticMapping getDefaultMapping(unsigned DiagID)
Get the default mapping for this diagnostic.
void setNoWarningAsError(bool Value)
void setSeverity(diag::Severity Value)
diag::Severity getSeverity() const
void setUpgradedFromWarning(bool Value)
void setNoErrorAsFatal(bool Value)
bool hasNoWarningAsError() const
A little helper class (which is basically a smart pointer that forwards info from DiagnosticsEngine a...
Diagnostic(const DiagnosticsEngine *DO, const DiagnosticBuilder &DiagBuilder)
const SourceLocation & getLocation() const
const std::string & getArgStdStr(unsigned Idx) const
Return the provided argument string specified by Idx.
void FormatDiagnostic(SmallVectorImpl< char > &OutStr) const
Format this diagnostic into a string, substituting the formal arguments into the %0 slots.
uint64_t getRawArg(unsigned Idx) const
Return the specified non-string argument in an opaque form.
const char * getArgCStr(unsigned Idx) const
Return the specified C string argument.
const IdentifierInfo * getArgIdentifier(unsigned Idx) const
Return the specified IdentifierInfo argument.
SourceManager & getSourceManager() const
ArrayRef< FixItHint > getFixItHints() const
unsigned getNumArgs() const
bool hasSourceManager() const
DiagnosticsEngine::ArgumentKind getArgKind(unsigned Idx) const
Return the kind of the specified index.
int64_t getArgSInt(unsigned Idx) const
Return the specified signed integer argument.
uint64_t getArgUInt(unsigned Idx) const
Return the specified unsigned integer argument.
ArrayRef< CharSourceRange > getRanges() const
Return an array reference for this diagnostic's ranges.
const DiagnosticsEngine * getDiags() const
Concrete class used by the front-end to report problems and issues.
DiagnosticBuilder Report(SourceLocation Loc, unsigned DiagID)
Issue the message to the client.
bool hasSourceManager() const
bool EmitDiagnostic(const DiagnosticBuilder &DB, bool Force=false)
Emit the diagnostic.
void setDiagSuppressionMapping(llvm::MemoryBuffer &Input)
Diagnostic suppression mappings can be used to suppress specific diagnostics in specific files.
bool isSuppressedViaMapping(diag::kind DiagId, SourceLocation DiagLoc) const
void setSeverityForAll(diag::Flavor Flavor, diag::Severity Map, SourceLocation Loc=SourceLocation())
Add the specified mapping to all diagnostics of the specified flavor.
LLVM_DUMP_METHOD void dump() const
void setClient(DiagnosticConsumer *client, bool ShouldOwnClient=true)
Set the diagnostic client associated with this diagnostic object.
SourceManager & getSourceManager() const
void pushMappings(SourceLocation Loc)
Copies the current DiagMappings and pushes the new copy onto the top of the stack.
void setSeverity(diag::kind Diag, diag::Severity Map, SourceLocation Loc)
This allows the client to specify that certain warnings are ignored.
Level
The level of the diagnostic, after it has been through mapping.
DiagnosticConsumer * getClient()
@ ak_nameddecl
NamedDecl *.
@ ak_declcontext
DeclContext *.
@ ak_addrspace
address space
@ ak_identifierinfo
IdentifierInfo.
@ ak_qualtype_pair
pair<QualType, QualType>
@ ak_c_string
const char *
@ ak_declarationname
DeclarationName.
@ ak_tokenkind
enum TokenKind : unsigned
@ ak_std_string
std::string
@ ak_nestednamespec
NestedNameSpecifier *.
Level getDiagnosticLevel(unsigned DiagID, SourceLocation Loc) const
Based on the way the client configured the DiagnosticsEngine object, classify the specified diagnosti...
DiagnosticsEngine(IntrusiveRefCntPtr< DiagnosticIDs > Diags, IntrusiveRefCntPtr< DiagnosticOptions > DiagOpts, DiagnosticConsumer *client=nullptr, bool ShouldOwnClient=true)
bool setDiagnosticGroupErrorAsFatal(StringRef Group, bool Enabled)
Set the error-as-fatal flag for the given diagnostic group.
bool setDiagnosticGroupWarningAsError(StringRef Group, bool Enabled)
Set the warning-as-error flag for the given diagnostic group.
void ConvertArgToString(ArgumentKind Kind, intptr_t Val, StringRef Modifier, StringRef Argument, ArrayRef< ArgumentValue > PrevArgs, SmallVectorImpl< char > &Output, ArrayRef< intptr_t > QualTypeVals) const
Converts a diagnostic argument (as an intptr_t) into the string that represents it.
bool setSeverityForGroup(diag::Flavor Flavor, StringRef Group, diag::Severity Map, SourceLocation Loc=SourceLocation())
Change an entire diagnostic group (e.g.
bool popMappings(SourceLocation Loc)
Pops the current DiagMappings off the top of the stack, causing the new top of the stack to be the ac...
const IntrusiveRefCntPtr< DiagnosticIDs > & getDiagnosticIDs() const
void Reset(bool soft=false)
Reset the state of the diagnostic object to its initial configuration.
An opaque identifier used by SourceManager which refers to a source file (MemoryBuffer) along with it...
bool IncludeInDiagnosticCounts() const override
Indicates whether the diagnostics handled by this DiagnosticConsumer should be included in the number...
~ForwardingDiagnosticConsumer() override
void HandleDiagnostic(DiagnosticsEngine::Level DiagLevel, const Diagnostic &Info) override
Handle this diagnostic, reporting it to the user or capturing it to a log as needed.
A SourceLocation and its associated SourceManager.
bool hasManager() const
Checks whether the SourceManager is present.
const SourceManager & getManager() const
One of these records is kept for each identifier that is lexed.
StringRef getName() const
Return the actual identifier string.
Represents an unpacked "presumed" location which can be presented to the user.
Encodes a location in the source.
std::string printToString(const SourceManager &SM) const
bool isValid() const
Return true if this is a valid SourceLocation object.
void print(raw_ostream &OS, const SourceManager &SM) const
SourceLocation getLocWithOffset(IntTy Offset) const
Return a source location with the specified offset from this SourceLocation.
This class handles loading and caching of source files into memory.
llvm::MemoryBufferRef getBufferOrFake(FileID FID, SourceLocation Loc=SourceLocation()) const
Return the buffer for the specified FileID.
std::pair< FileID, unsigned > getDecomposedLoc(SourceLocation Loc) const
Decompose the specified location into a raw FileID + Offset pair.
SourceLocation getLocForStartOfFile(FileID FID) const
Return the source location corresponding to the first byte of the specified file.
std::pair< FileID, unsigned > getDecomposedIncludedLoc(FileID FID) const
Returns the "included/expanded in" decomposed location of the given FileID.
Represents a diagnostic in a form that can be retained until its corresponding source manager is dest...
range_iterator range_begin() const
StoredDiagnostic()=default
DiagnosticsEngine::Level getLevel() const
fixit_iterator fixit_begin() const
const FullSourceLoc & getLocation() const
range_iterator range_end() const
StringRef getMessage() const
fixit_iterator fixit_end() const
The streaming interface shared between DiagnosticBuilder and PartialDiagnostic.
DiagStorageAllocator * Allocator
Allocator used to allocate storage for this diagnostic.
DiagnosticStorage * DiagStorage
void AddString(StringRef V) const
Severity
Enum values that allow the client to map NOTEs, WARNINGs, and EXTENSIONs to either Ignore (nothing),...
@ Warning
Present this diagnostic as a warning.
@ Fatal
Present this diagnostic as a fatal error.
@ Error
Present this diagnostic as an error.
@ Remark
Present this diagnostic as a remark.
@ Ignored
Do not present this diagnostic, ignore it.
Flavor
Flavors of diagnostics we can emit.
@ WarningOrError
A diagnostic that indicates a problem or potential problem.
const char * getTokenName(TokenKind Kind) LLVM_READNONE
Determines the name of a token as used within the front end.
const char * getKeywordSpelling(TokenKind Kind) LLVM_READNONE
Determines the spelling of simple keyword and contextual keyword tokens like 'int' and 'dynamic_cast'...
TokenKind
Provides a simple uniform namespace for tokens from all C languages.
const char * getPunctuatorSpelling(TokenKind Kind) LLVM_READNONE
Determines the spelling of simple punctuation tokens like '!' or '', and returns NULL for literal and...
The JSON file list parser is used to communicate input to InstallAPI.
LLVM_READONLY bool isPrintable(unsigned char c)
Return true if this character is an ASCII printable character; that is, a character that should take ...
const StreamingDiagnostic & operator<<(const StreamingDiagnostic &DB, const ASTContext::SectionInfo &Section)
Insertion operator for diagnostics.
@ Result
The result type of a method or function.
llvm::StringRef getNullabilitySpelling(NullabilityKind kind, bool isContextSensitive=false)
Retrieve the spelling of the given nullability kind.
void EscapeStringForDiagnostic(StringRef Str, SmallVectorImpl< char > &OutStr)
EscapeStringForDiagnostic - Append Str to the diagnostic buffer, escaping non-printable characters an...
LLVM_READONLY bool isDigit(unsigned char c)
Return true if this character is an ASCII digit: [0-9].
LLVM_READONLY bool isWhitespace(unsigned char c)
Return true if this character is horizontal or vertical ASCII whitespace: ' ', '\t',...
std::pair< NullabilityKind, bool > DiagNullabilityKind
A nullability kind paired with a bit indicating whether it used a context-sensitive keyword.
LLVM_READONLY bool isPunctuation(unsigned char c)
Return true if this character is an ASCII punctuation character.
__INTPTR_TYPE__ intptr_t
A signed integer type with the property that any valid pointer to void can be converted to this type,...
SmallVector< CharSourceRange, 8 > DiagRanges
The list of ranges added to this diagnostic.
SmallVector< FixItHint, 6 > FixItHints
If valid, provides a hint with some code to insert, remove, or modify at a particular position.
unsigned TemplateDiffUsed