clang  15.0.0git
Diagnostic.cpp
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1 //===- Diagnostic.cpp - C Language Family Diagnostic Handling -------------===//
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 // This file implements the Diagnostic-related interfaces.
10 //
11 //===----------------------------------------------------------------------===//
12 
13 #include "clang/Basic/Diagnostic.h"
14 #include "clang/Basic/CharInfo.h"
22 #include "clang/Basic/Specifiers.h"
23 #include "clang/Basic/TokenKinds.h"
24 #include "llvm/ADT/SmallString.h"
25 #include "llvm/ADT/SmallVector.h"
26 #include "llvm/ADT/StringExtras.h"
27 #include "llvm/ADT/StringRef.h"
28 #include "llvm/Support/CrashRecoveryContext.h"
29 #include "llvm/Support/Locale.h"
30 #include "llvm/Support/raw_ostream.h"
31 #include <algorithm>
32 #include <cassert>
33 #include <cstddef>
34 #include <cstdint>
35 #include <cstring>
36 #include <limits>
37 #include <string>
38 #include <utility>
39 #include <vector>
40 
41 using namespace clang;
42 
44  DiagNullabilityKind nullability) {
45  StringRef string;
46  switch (nullability.first) {
48  string = nullability.second ? "'nonnull'" : "'_Nonnull'";
49  break;
50 
52  string = nullability.second ? "'nullable'" : "'_Nullable'";
53  break;
54 
56  string = nullability.second ? "'null_unspecified'" : "'_Null_unspecified'";
57  break;
58 
60  assert(!nullability.second &&
61  "_Nullable_result isn't supported as context-sensitive keyword");
62  string = "_Nullable_result";
63  break;
64  }
65 
66  DB.AddString(string);
67  return DB;
68 }
69 
71  llvm::Error &&E) {
72  DB.AddString(toString(std::move(E)));
73  return DB;
74 }
75 
77  StringRef Modifier, StringRef Argument,
79  SmallVectorImpl<char> &Output,
80  void *Cookie,
81  ArrayRef<intptr_t> QualTypeVals) {
82  StringRef Str = "<can't format argument>";
83  Output.append(Str.begin(), Str.end());
84 }
85 
89  bool ShouldOwnClient)
90  : Diags(std::move(diags)), DiagOpts(std::move(DiagOpts)) {
91  setClient(client, ShouldOwnClient);
92  ArgToStringFn = DummyArgToStringFn;
93 
94  Reset();
95 }
96 
98  // If we own the diagnostic client, destroy it first so that it can access the
99  // engine from its destructor.
100  setClient(nullptr);
101 }
102 
104  DiagStatesByLoc.dump(*SourceMgr);
105 }
106 
107 void DiagnosticsEngine::dump(StringRef DiagName) const {
108  DiagStatesByLoc.dump(*SourceMgr, DiagName);
109 }
110 
112  bool ShouldOwnClient) {
113  Owner.reset(ShouldOwnClient ? client : nullptr);
114  Client = client;
115 }
116 
118  DiagStateOnPushStack.push_back(GetCurDiagState());
119 }
120 
122  if (DiagStateOnPushStack.empty())
123  return false;
124 
125  if (DiagStateOnPushStack.back() != GetCurDiagState()) {
126  // State changed at some point between push/pop.
127  PushDiagStatePoint(DiagStateOnPushStack.back(), Loc);
128  }
129  DiagStateOnPushStack.pop_back();
130  return true;
131 }
132 
134  ErrorOccurred = false;
135  UncompilableErrorOccurred = false;
136  FatalErrorOccurred = false;
137  UnrecoverableErrorOccurred = false;
138 
139  NumWarnings = 0;
140  NumErrors = 0;
141  TrapNumErrorsOccurred = 0;
142  TrapNumUnrecoverableErrorsOccurred = 0;
143 
145  LastDiagLevel = DiagnosticIDs::Ignored;
146  DelayedDiagID = 0;
147 
148  // Clear state related to #pragma diagnostic.
149  DiagStates.clear();
150  DiagStatesByLoc.clear();
151  DiagStateOnPushStack.clear();
152 
153  // Create a DiagState and DiagStatePoint representing diagnostic changes
154  // through command-line.
155  DiagStates.emplace_back();
156  DiagStatesByLoc.appendFirst(&DiagStates.back());
157 }
158 
159 void DiagnosticsEngine::SetDelayedDiagnostic(unsigned DiagID, StringRef Arg1,
160  StringRef Arg2, StringRef Arg3) {
161  if (DelayedDiagID)
162  return;
163 
164  DelayedDiagID = DiagID;
165  DelayedDiagArg1 = Arg1.str();
166  DelayedDiagArg2 = Arg2.str();
167  DelayedDiagArg3 = Arg3.str();
168 }
169 
170 void DiagnosticsEngine::ReportDelayed() {
171  unsigned ID = DelayedDiagID;
172  DelayedDiagID = 0;
173  Report(ID) << DelayedDiagArg1 << DelayedDiagArg2 << DelayedDiagArg3;
174 }
175 
176 void DiagnosticsEngine::DiagStateMap::appendFirst(DiagState *State) {
177  assert(Files.empty() && "not first");
178  FirstDiagState = CurDiagState = State;
179  CurDiagStateLoc = SourceLocation();
180 }
181 
182 void DiagnosticsEngine::DiagStateMap::append(SourceManager &SrcMgr,
183  SourceLocation Loc,
184  DiagState *State) {
185  CurDiagState = State;
186  CurDiagStateLoc = Loc;
187 
188  std::pair<FileID, unsigned> Decomp = SrcMgr.getDecomposedLoc(Loc);
189  unsigned Offset = Decomp.second;
190  for (File *F = getFile(SrcMgr, Decomp.first); F;
191  Offset = F->ParentOffset, F = F->Parent) {
192  F->HasLocalTransitions = true;
193  auto &Last = F->StateTransitions.back();
194  assert(Last.Offset <= Offset && "state transitions added out of order");
195 
196  if (Last.Offset == Offset) {
197  if (Last.State == State)
198  break;
199  Last.State = State;
200  continue;
201  }
202 
203  F->StateTransitions.push_back({State, Offset});
204  }
205 }
206 
207 DiagnosticsEngine::DiagState *
208 DiagnosticsEngine::DiagStateMap::lookup(SourceManager &SrcMgr,
209  SourceLocation Loc) const {
210  // Common case: we have not seen any diagnostic pragmas.
211  if (Files.empty())
212  return FirstDiagState;
213 
214  std::pair<FileID, unsigned> Decomp = SrcMgr.getDecomposedLoc(Loc);
215  const File *F = getFile(SrcMgr, Decomp.first);
216  return F->lookup(Decomp.second);
217 }
218 
219 DiagnosticsEngine::DiagState *
220 DiagnosticsEngine::DiagStateMap::File::lookup(unsigned Offset) const {
221  auto OnePastIt =
222  llvm::partition_point(StateTransitions, [=](const DiagStatePoint &P) {
223  return P.Offset <= Offset;
224  });
225  assert(OnePastIt != StateTransitions.begin() && "missing initial state");
226  return OnePastIt[-1].State;
227 }
228 
229 DiagnosticsEngine::DiagStateMap::File *
230 DiagnosticsEngine::DiagStateMap::getFile(SourceManager &SrcMgr,
231  FileID ID) const {
232  // Get or insert the File for this ID.
233  auto Range = Files.equal_range(ID);
234  if (Range.first != Range.second)
235  return &Range.first->second;
236  auto &F = Files.insert(Range.first, std::make_pair(ID, File()))->second;
237 
238  // We created a new File; look up the diagnostic state at the start of it and
239  // initialize it.
240  if (ID.isValid()) {
241  std::pair<FileID, unsigned> Decomp = SrcMgr.getDecomposedIncludedLoc(ID);
242  F.Parent = getFile(SrcMgr, Decomp.first);
243  F.ParentOffset = Decomp.second;
244  F.StateTransitions.push_back({F.Parent->lookup(Decomp.second), 0});
245  } else {
246  // This is the (imaginary) root file into which we pretend all top-level
247  // files are included; it descends from the initial state.
248  //
249  // FIXME: This doesn't guarantee that we use the same ordering as
250  // isBeforeInTranslationUnit in the cases where someone invented another
251  // top-level file and added diagnostic pragmas to it. See the code at the
252  // end of isBeforeInTranslationUnit for the quirks it deals with.
253  F.StateTransitions.push_back({FirstDiagState, 0});
254  }
255  return &F;
256 }
257 
259  StringRef DiagName) const {
260  llvm::errs() << "diagnostic state at ";
261  CurDiagStateLoc.print(llvm::errs(), SrcMgr);
262  llvm::errs() << ": " << CurDiagState << "\n";
263 
264  for (auto &F : Files) {
265  FileID ID = F.first;
266  File &File = F.second;
267 
268  bool PrintedOuterHeading = false;
269  auto PrintOuterHeading = [&] {
270  if (PrintedOuterHeading) return;
271  PrintedOuterHeading = true;
272 
273  llvm::errs() << "File " << &File << " <FileID " << ID.getHashValue()
274  << ">: " << SrcMgr.getBufferOrFake(ID).getBufferIdentifier();
275 
276  if (F.second.Parent) {
277  std::pair<FileID, unsigned> Decomp =
279  assert(File.ParentOffset == Decomp.second);
280  llvm::errs() << " parent " << File.Parent << " <FileID "
281  << Decomp.first.getHashValue() << "> ";
282  SrcMgr.getLocForStartOfFile(Decomp.first)
283  .getLocWithOffset(Decomp.second)
284  .print(llvm::errs(), SrcMgr);
285  }
286  if (File.HasLocalTransitions)
287  llvm::errs() << " has_local_transitions";
288  llvm::errs() << "\n";
289  };
290 
291  if (DiagName.empty())
292  PrintOuterHeading();
293 
294  for (DiagStatePoint &Transition : File.StateTransitions) {
295  bool PrintedInnerHeading = false;
296  auto PrintInnerHeading = [&] {
297  if (PrintedInnerHeading) return;
298  PrintedInnerHeading = true;
299 
300  PrintOuterHeading();
301  llvm::errs() << " ";
302  SrcMgr.getLocForStartOfFile(ID)
303  .getLocWithOffset(Transition.Offset)
304  .print(llvm::errs(), SrcMgr);
305  llvm::errs() << ": state " << Transition.State << ":\n";
306  };
307 
308  if (DiagName.empty())
309  PrintInnerHeading();
310 
311  for (auto &Mapping : *Transition.State) {
312  StringRef Option =
314  if (!DiagName.empty() && DiagName != Option)
315  continue;
316 
317  PrintInnerHeading();
318  llvm::errs() << " ";
319  if (Option.empty())
320  llvm::errs() << "<unknown " << Mapping.first << ">";
321  else
322  llvm::errs() << Option;
323  llvm::errs() << ": ";
324 
325  switch (Mapping.second.getSeverity()) {
326  case diag::Severity::Ignored: llvm::errs() << "ignored"; break;
327  case diag::Severity::Remark: llvm::errs() << "remark"; break;
328  case diag::Severity::Warning: llvm::errs() << "warning"; break;
329  case diag::Severity::Error: llvm::errs() << "error"; break;
330  case diag::Severity::Fatal: llvm::errs() << "fatal"; break;
331  }
332 
333  if (!Mapping.second.isUser())
334  llvm::errs() << " default";
335  if (Mapping.second.isPragma())
336  llvm::errs() << " pragma";
337  if (Mapping.second.hasNoWarningAsError())
338  llvm::errs() << " no-error";
339  if (Mapping.second.hasNoErrorAsFatal())
340  llvm::errs() << " no-fatal";
341  if (Mapping.second.wasUpgradedFromWarning())
342  llvm::errs() << " overruled";
343  llvm::errs() << "\n";
344  }
345  }
346  }
347 }
348 
349 void DiagnosticsEngine::PushDiagStatePoint(DiagState *State,
350  SourceLocation Loc) {
351  assert(Loc.isValid() && "Adding invalid loc point");
352  DiagStatesByLoc.append(*SourceMgr, Loc, State);
353 }
354 
356  SourceLocation L) {
357  assert(Diag < diag::DIAG_UPPER_LIMIT &&
358  "Can only map builtin diagnostics");
359  assert((Diags->isBuiltinWarningOrExtension(Diag) ||
360  (Map == diag::Severity::Fatal || Map == diag::Severity::Error)) &&
361  "Cannot map errors into warnings!");
362  assert((L.isInvalid() || SourceMgr) && "No SourceMgr for valid location");
363 
364  // Don't allow a mapping to a warning override an error/fatal mapping.
365  bool WasUpgradedFromWarning = false;
366  if (Map == diag::Severity::Warning) {
367  DiagnosticMapping &Info = GetCurDiagState()->getOrAddMapping(Diag);
368  if (Info.getSeverity() == diag::Severity::Error ||
370  Map = Info.getSeverity();
371  WasUpgradedFromWarning = true;
372  }
373  }
374  DiagnosticMapping Mapping = makeUserMapping(Map, L);
375  Mapping.setUpgradedFromWarning(WasUpgradedFromWarning);
376 
377  // Make sure we propagate the NoWarningAsError flag from an existing
378  // mapping (which may be the default mapping).
379  DiagnosticMapping &Info = GetCurDiagState()->getOrAddMapping(Diag);
380  Mapping.setNoWarningAsError(Info.hasNoWarningAsError() ||
381  Mapping.hasNoWarningAsError());
382 
383  // Common case; setting all the diagnostics of a group in one place.
384  if ((L.isInvalid() || L == DiagStatesByLoc.getCurDiagStateLoc()) &&
385  DiagStatesByLoc.getCurDiagState()) {
386  // FIXME: This is theoretically wrong: if the current state is shared with
387  // some other location (via push/pop) we will change the state for that
388  // other location as well. This cannot currently happen, as we can't update
389  // the diagnostic state at the same location at which we pop.
390  DiagStatesByLoc.getCurDiagState()->setMapping(Diag, Mapping);
391  return;
392  }
393 
394  // A diagnostic pragma occurred, create a new DiagState initialized with
395  // the current one and a new DiagStatePoint to record at which location
396  // the new state became active.
397  DiagStates.push_back(*GetCurDiagState());
398  DiagStates.back().setMapping(Diag, Mapping);
399  PushDiagStatePoint(&DiagStates.back(), L);
400 }
401 
403  StringRef Group, diag::Severity Map,
404  SourceLocation Loc) {
405  // Get the diagnostics in this group.
406  SmallVector<diag::kind, 256> GroupDiags;
407  if (Diags->getDiagnosticsInGroup(Flavor, Group, GroupDiags))
408  return true;
409 
410  // Set the mapping.
411  for (diag::kind Diag : GroupDiags)
412  setSeverity(Diag, Map, Loc);
413 
414  return false;
415 }
416 
419  diag::Severity Map,
420  SourceLocation Loc) {
421  return setSeverityForGroup(Flavor, Diags->getWarningOptionForGroup(Group),
422  Map, Loc);
423 }
424 
426  bool Enabled) {
427  // If we are enabling this feature, just set the diagnostic mappings to map to
428  // errors.
429  if (Enabled)
432 
433  // Otherwise, we want to set the diagnostic mapping's "no Werror" bit, and
434  // potentially downgrade anything already mapped to be a warning.
435 
436  // Get the diagnostics in this group.
437  SmallVector<diag::kind, 8> GroupDiags;
438  if (Diags->getDiagnosticsInGroup(diag::Flavor::WarningOrError, Group,
439  GroupDiags))
440  return true;
441 
442  // Perform the mapping change.
443  for (diag::kind Diag : GroupDiags) {
444  DiagnosticMapping &Info = GetCurDiagState()->getOrAddMapping(Diag);
445 
446  if (Info.getSeverity() == diag::Severity::Error ||
449 
450  Info.setNoWarningAsError(true);
451  }
452 
453  return false;
454 }
455 
457  bool Enabled) {
458  // If we are enabling this feature, just set the diagnostic mappings to map to
459  // fatal errors.
460  if (Enabled)
463 
464  // Otherwise, we want to set the diagnostic mapping's "no Wfatal-errors" bit,
465  // and potentially downgrade anything already mapped to be a fatal error.
466 
467  // Get the diagnostics in this group.
468  SmallVector<diag::kind, 8> GroupDiags;
469  if (Diags->getDiagnosticsInGroup(diag::Flavor::WarningOrError, Group,
470  GroupDiags))
471  return true;
472 
473  // Perform the mapping change.
474  for (diag::kind Diag : GroupDiags) {
475  DiagnosticMapping &Info = GetCurDiagState()->getOrAddMapping(Diag);
476 
477  if (Info.getSeverity() == diag::Severity::Fatal)
479 
480  Info.setNoErrorAsFatal(true);
481  }
482 
483  return false;
484 }
485 
487  diag::Severity Map,
488  SourceLocation Loc) {
489  // Get all the diagnostics.
490  std::vector<diag::kind> AllDiags;
492 
493  // Set the mapping.
494  for (diag::kind Diag : AllDiags)
495  if (Diags->isBuiltinWarningOrExtension(Diag))
496  setSeverity(Diag, Map, Loc);
497 }
498 
500  assert(CurDiagID == std::numeric_limits<unsigned>::max() &&
501  "Multiple diagnostics in flight at once!");
502 
503  CurDiagLoc = storedDiag.getLocation();
504  CurDiagID = storedDiag.getID();
505  DiagStorage.NumDiagArgs = 0;
506 
507  DiagStorage.DiagRanges.clear();
508  DiagStorage.DiagRanges.append(storedDiag.range_begin(),
509  storedDiag.range_end());
510 
511  DiagStorage.FixItHints.clear();
512  DiagStorage.FixItHints.append(storedDiag.fixit_begin(),
513  storedDiag.fixit_end());
514 
515  assert(Client && "DiagnosticConsumer not set!");
516  Level DiagLevel = storedDiag.getLevel();
517  Diagnostic Info(this, storedDiag.getMessage());
518  Client->HandleDiagnostic(DiagLevel, Info);
519  if (Client->IncludeInDiagnosticCounts()) {
520  if (DiagLevel == DiagnosticsEngine::Warning)
521  ++NumWarnings;
522  }
523 
525 }
526 
528  assert(getClient() && "DiagnosticClient not set!");
529 
530  bool Emitted;
531  if (Force) {
532  Diagnostic Info(this);
533 
534  // Figure out the diagnostic level of this message.
535  DiagnosticIDs::Level DiagLevel
536  = Diags->getDiagnosticLevel(Info.getID(), Info.getLocation(), *this);
537 
538  Emitted = (DiagLevel != DiagnosticIDs::Ignored);
539  if (Emitted) {
540  // Emit the diagnostic regardless of suppression level.
541  Diags->EmitDiag(*this, DiagLevel);
542  }
543  } else {
544  // Process the diagnostic, sending the accumulated information to the
545  // DiagnosticConsumer.
546  Emitted = ProcessDiag();
547  }
548 
549  // Clear out the current diagnostic object.
550  Clear();
551 
552  // If there was a delayed diagnostic, emit it now.
553  if (!Force && DelayedDiagID)
554  ReportDelayed();
555 
556  return Emitted;
557 }
558 
560 
562  const Diagnostic &Info) {
564  return;
565 
566  if (DiagLevel == DiagnosticsEngine::Warning)
567  ++NumWarnings;
568  else if (DiagLevel >= DiagnosticsEngine::Error)
569  ++NumErrors;
570 }
571 
572 /// ModifierIs - Return true if the specified modifier matches specified string.
573 template <std::size_t StrLen>
574 static bool ModifierIs(const char *Modifier, unsigned ModifierLen,
575  const char (&Str)[StrLen]) {
576  return StrLen-1 == ModifierLen && memcmp(Modifier, Str, StrLen-1) == 0;
577 }
578 
579 /// ScanForward - Scans forward, looking for the given character, skipping
580 /// nested clauses and escaped characters.
581 static const char *ScanFormat(const char *I, const char *E, char Target) {
582  unsigned Depth = 0;
583 
584  for ( ; I != E; ++I) {
585  if (Depth == 0 && *I == Target) return I;
586  if (Depth != 0 && *I == '}') Depth--;
587 
588  if (*I == '%') {
589  I++;
590  if (I == E) break;
591 
592  // Escaped characters get implicitly skipped here.
593 
594  // Format specifier.
595  if (!isDigit(*I) && !isPunctuation(*I)) {
596  for (I++; I != E && !isDigit(*I) && *I != '{'; I++) ;
597  if (I == E) break;
598  if (*I == '{')
599  Depth++;
600  }
601  }
602  }
603  return E;
604 }
605 
606 /// HandleSelectModifier - Handle the integer 'select' modifier. This is used
607 /// like this: %select{foo|bar|baz}2. This means that the integer argument
608 /// "%2" has a value from 0-2. If the value is 0, the diagnostic prints 'foo'.
609 /// If the value is 1, it prints 'bar'. If it has the value 2, it prints 'baz'.
610 /// This is very useful for certain classes of variant diagnostics.
611 static void HandleSelectModifier(const Diagnostic &DInfo, unsigned ValNo,
612  const char *Argument, unsigned ArgumentLen,
613  SmallVectorImpl<char> &OutStr) {
614  const char *ArgumentEnd = Argument+ArgumentLen;
615 
616  // Skip over 'ValNo' |'s.
617  while (ValNo) {
618  const char *NextVal = ScanFormat(Argument, ArgumentEnd, '|');
619  assert(NextVal != ArgumentEnd && "Value for integer select modifier was"
620  " larger than the number of options in the diagnostic string!");
621  Argument = NextVal+1; // Skip this string.
622  --ValNo;
623  }
624 
625  // Get the end of the value. This is either the } or the |.
626  const char *EndPtr = ScanFormat(Argument, ArgumentEnd, '|');
627 
628  // Recursively format the result of the select clause into the output string.
629  DInfo.FormatDiagnostic(Argument, EndPtr, OutStr);
630 }
631 
632 /// HandleIntegerSModifier - Handle the integer 's' modifier. This adds the
633 /// letter 's' to the string if the value is not 1. This is used in cases like
634 /// this: "you idiot, you have %4 parameter%s4!".
635 static void HandleIntegerSModifier(unsigned ValNo,
636  SmallVectorImpl<char> &OutStr) {
637  if (ValNo != 1)
638  OutStr.push_back('s');
639 }
640 
641 /// HandleOrdinalModifier - Handle the integer 'ord' modifier. This
642 /// prints the ordinal form of the given integer, with 1 corresponding
643 /// to the first ordinal. Currently this is hard-coded to use the
644 /// English form.
645 static void HandleOrdinalModifier(unsigned ValNo,
646  SmallVectorImpl<char> &OutStr) {
647  assert(ValNo != 0 && "ValNo must be strictly positive!");
648 
649  llvm::raw_svector_ostream Out(OutStr);
650 
651  // We could use text forms for the first N ordinals, but the numeric
652  // forms are actually nicer in diagnostics because they stand out.
653  Out << ValNo << llvm::getOrdinalSuffix(ValNo);
654 }
655 
656 /// PluralNumber - Parse an unsigned integer and advance Start.
657 static unsigned PluralNumber(const char *&Start, const char *End) {
658  // Programming 101: Parse a decimal number :-)
659  unsigned Val = 0;
660  while (Start != End && *Start >= '0' && *Start <= '9') {
661  Val *= 10;
662  Val += *Start - '0';
663  ++Start;
664  }
665  return Val;
666 }
667 
668 /// TestPluralRange - Test if Val is in the parsed range. Modifies Start.
669 static bool TestPluralRange(unsigned Val, const char *&Start, const char *End) {
670  if (*Start != '[') {
671  unsigned Ref = PluralNumber(Start, End);
672  return Ref == Val;
673  }
674 
675  ++Start;
676  unsigned Low = PluralNumber(Start, End);
677  assert(*Start == ',' && "Bad plural expression syntax: expected ,");
678  ++Start;
679  unsigned High = PluralNumber(Start, End);
680  assert(*Start == ']' && "Bad plural expression syntax: expected )");
681  ++Start;
682  return Low <= Val && Val <= High;
683 }
684 
685 /// EvalPluralExpr - Actual expression evaluator for HandlePluralModifier.
686 static bool EvalPluralExpr(unsigned ValNo, const char *Start, const char *End) {
687  // Empty condition?
688  if (*Start == ':')
689  return true;
690 
691  while (true) {
692  char C = *Start;
693  if (C == '%') {
694  // Modulo expression
695  ++Start;
696  unsigned Arg = PluralNumber(Start, End);
697  assert(*Start == '=' && "Bad plural expression syntax: expected =");
698  ++Start;
699  unsigned ValMod = ValNo % Arg;
700  if (TestPluralRange(ValMod, Start, End))
701  return true;
702  } else {
703  assert((C == '[' || (C >= '0' && C <= '9')) &&
704  "Bad plural expression syntax: unexpected character");
705  // Range expression
706  if (TestPluralRange(ValNo, Start, End))
707  return true;
708  }
709 
710  // Scan for next or-expr part.
711  Start = std::find(Start, End, ',');
712  if (Start == End)
713  break;
714  ++Start;
715  }
716  return false;
717 }
718 
719 /// HandlePluralModifier - Handle the integer 'plural' modifier. This is used
720 /// for complex plural forms, or in languages where all plurals are complex.
721 /// The syntax is: %plural{cond1:form1|cond2:form2|:form3}, where condn are
722 /// conditions that are tested in order, the form corresponding to the first
723 /// that applies being emitted. The empty condition is always true, making the
724 /// last form a default case.
725 /// Conditions are simple boolean expressions, where n is the number argument.
726 /// Here are the rules.
727 /// condition := expression | empty
728 /// empty := -> always true
729 /// expression := numeric [',' expression] -> logical or
730 /// numeric := range -> true if n in range
731 /// | '%' number '=' range -> true if n % number in range
732 /// range := number
733 /// | '[' number ',' number ']' -> ranges are inclusive both ends
734 ///
735 /// Here are some examples from the GNU gettext manual written in this form:
736 /// English:
737 /// {1:form0|:form1}
738 /// Latvian:
739 /// {0:form2|%100=11,%10=0,%10=[2,9]:form1|:form0}
740 /// Gaeilge:
741 /// {1:form0|2:form1|:form2}
742 /// Romanian:
743 /// {1:form0|0,%100=[1,19]:form1|:form2}
744 /// Lithuanian:
745 /// {%10=0,%100=[10,19]:form2|%10=1:form0|:form1}
746 /// Russian (requires repeated form):
747 /// {%100=[11,14]:form2|%10=1:form0|%10=[2,4]:form1|:form2}
748 /// Slovak
749 /// {1:form0|[2,4]:form1|:form2}
750 /// Polish (requires repeated form):
751 /// {1:form0|%100=[10,20]:form2|%10=[2,4]:form1|:form2}
752 static void HandlePluralModifier(const Diagnostic &DInfo, unsigned ValNo,
753  const char *Argument, unsigned ArgumentLen,
754  SmallVectorImpl<char> &OutStr) {
755  const char *ArgumentEnd = Argument + ArgumentLen;
756  while (true) {
757  assert(Argument < ArgumentEnd && "Plural expression didn't match.");
758  const char *ExprEnd = Argument;
759  while (*ExprEnd != ':') {
760  assert(ExprEnd != ArgumentEnd && "Plural missing expression end");
761  ++ExprEnd;
762  }
763  if (EvalPluralExpr(ValNo, Argument, ExprEnd)) {
764  Argument = ExprEnd + 1;
765  ExprEnd = ScanFormat(Argument, ArgumentEnd, '|');
766 
767  // Recursively format the result of the plural clause into the
768  // output string.
769  DInfo.FormatDiagnostic(Argument, ExprEnd, OutStr);
770  return;
771  }
772  Argument = ScanFormat(Argument, ArgumentEnd - 1, '|') + 1;
773  }
774 }
775 
776 /// Returns the friendly description for a token kind that will appear
777 /// without quotes in diagnostic messages. These strings may be translatable in
778 /// future.
780  switch (Kind) {
781  case tok::identifier:
782  return "identifier";
783  default:
784  return nullptr;
785  }
786 }
787 
788 /// FormatDiagnostic - Format this diagnostic into a string, substituting the
789 /// formal arguments into the %0 slots. The result is appended onto the Str
790 /// array.
791 void Diagnostic::
793  if (!StoredDiagMessage.empty()) {
794  OutStr.append(StoredDiagMessage.begin(), StoredDiagMessage.end());
795  return;
796  }
797 
798  StringRef Diag =
799  getDiags()->getDiagnosticIDs()->getDescription(getID());
800 
801  FormatDiagnostic(Diag.begin(), Diag.end(), OutStr);
802 }
803 
804 void Diagnostic::
805 FormatDiagnostic(const char *DiagStr, const char *DiagEnd,
806  SmallVectorImpl<char> &OutStr) const {
807  // When the diagnostic string is only "%0", the entire string is being given
808  // by an outside source. Remove unprintable characters from this string
809  // and skip all the other string processing.
810  if (DiagEnd - DiagStr == 2 &&
811  StringRef(DiagStr, DiagEnd - DiagStr).equals("%0") &&
813  const std::string &S = getArgStdStr(0);
814  for (char c : S) {
815  if (llvm::sys::locale::isPrint(c) || c == '\t') {
816  OutStr.push_back(c);
817  }
818  }
819  return;
820  }
821 
822  /// FormattedArgs - Keep track of all of the arguments formatted by
823  /// ConvertArgToString and pass them into subsequent calls to
824  /// ConvertArgToString, allowing the implementation to avoid redundancies in
825  /// obvious cases.
827 
828  /// QualTypeVals - Pass a vector of arrays so that QualType names can be
829  /// compared to see if more information is needed to be printed.
830  SmallVector<intptr_t, 2> QualTypeVals;
832 
833  for (unsigned i = 0, e = getNumArgs(); i < e; ++i)
835  QualTypeVals.push_back(getRawArg(i));
836 
837  while (DiagStr != DiagEnd) {
838  if (DiagStr[0] != '%') {
839  // Append non-%0 substrings to Str if we have one.
840  const char *StrEnd = std::find(DiagStr, DiagEnd, '%');
841  OutStr.append(DiagStr, StrEnd);
842  DiagStr = StrEnd;
843  continue;
844  } else if (isPunctuation(DiagStr[1])) {
845  OutStr.push_back(DiagStr[1]); // %% -> %.
846  DiagStr += 2;
847  continue;
848  }
849 
850  // Skip the %.
851  ++DiagStr;
852 
853  // This must be a placeholder for a diagnostic argument. The format for a
854  // placeholder is one of "%0", "%modifier0", or "%modifier{arguments}0".
855  // The digit is a number from 0-9 indicating which argument this comes from.
856  // The modifier is a string of digits from the set [-a-z]+, arguments is a
857  // brace enclosed string.
858  const char *Modifier = nullptr, *Argument = nullptr;
859  unsigned ModifierLen = 0, ArgumentLen = 0;
860 
861  // Check to see if we have a modifier. If so eat it.
862  if (!isDigit(DiagStr[0])) {
863  Modifier = DiagStr;
864  while (DiagStr[0] == '-' ||
865  (DiagStr[0] >= 'a' && DiagStr[0] <= 'z'))
866  ++DiagStr;
867  ModifierLen = DiagStr-Modifier;
868 
869  // If we have an argument, get it next.
870  if (DiagStr[0] == '{') {
871  ++DiagStr; // Skip {.
872  Argument = DiagStr;
873 
874  DiagStr = ScanFormat(DiagStr, DiagEnd, '}');
875  assert(DiagStr != DiagEnd && "Mismatched {}'s in diagnostic string!");
876  ArgumentLen = DiagStr-Argument;
877  ++DiagStr; // Skip }.
878  }
879  }
880 
881  assert(isDigit(*DiagStr) && "Invalid format for argument in diagnostic");
882  unsigned ArgNo = *DiagStr++ - '0';
883 
884  // Only used for type diffing.
885  unsigned ArgNo2 = ArgNo;
886 
888  if (ModifierIs(Modifier, ModifierLen, "diff")) {
889  assert(*DiagStr == ',' && isDigit(*(DiagStr + 1)) &&
890  "Invalid format for diff modifier");
891  ++DiagStr; // Comma.
892  ArgNo2 = *DiagStr++ - '0';
897  else {
898  // %diff only supports QualTypes. For other kinds of arguments,
899  // use the default printing. For example, if the modifier is:
900  // "%diff{compare $ to $|other text}1,2"
901  // treat it as:
902  // "compare %1 to %2"
903  const char *ArgumentEnd = Argument + ArgumentLen;
904  const char *Pipe = ScanFormat(Argument, ArgumentEnd, '|');
905  assert(ScanFormat(Pipe + 1, ArgumentEnd, '|') == ArgumentEnd &&
906  "Found too many '|'s in a %diff modifier!");
907  const char *FirstDollar = ScanFormat(Argument, Pipe, '$');
908  const char *SecondDollar = ScanFormat(FirstDollar + 1, Pipe, '$');
909  const char ArgStr1[] = { '%', static_cast<char>('0' + ArgNo) };
910  const char ArgStr2[] = { '%', static_cast<char>('0' + ArgNo2) };
911  FormatDiagnostic(Argument, FirstDollar, OutStr);
912  FormatDiagnostic(ArgStr1, ArgStr1 + 2, OutStr);
913  FormatDiagnostic(FirstDollar + 1, SecondDollar, OutStr);
914  FormatDiagnostic(ArgStr2, ArgStr2 + 2, OutStr);
915  FormatDiagnostic(SecondDollar + 1, Pipe, OutStr);
916  continue;
917  }
918  }
919 
920  switch (Kind) {
921  // ---- STRINGS ----
923  const std::string &S = getArgStdStr(ArgNo);
924  assert(ModifierLen == 0 && "No modifiers for strings yet");
925  OutStr.append(S.begin(), S.end());
926  break;
927  }
929  const char *S = getArgCStr(ArgNo);
930  assert(ModifierLen == 0 && "No modifiers for strings yet");
931 
932  // Don't crash if get passed a null pointer by accident.
933  if (!S)
934  S = "(null)";
935 
936  OutStr.append(S, S + strlen(S));
937  break;
938  }
939  // ---- INTEGERS ----
941  int64_t Val = getArgSInt(ArgNo);
942 
943  if (ModifierIs(Modifier, ModifierLen, "select")) {
944  HandleSelectModifier(*this, (unsigned)Val, Argument, ArgumentLen,
945  OutStr);
946  } else if (ModifierIs(Modifier, ModifierLen, "s")) {
947  HandleIntegerSModifier(Val, OutStr);
948  } else if (ModifierIs(Modifier, ModifierLen, "plural")) {
949  HandlePluralModifier(*this, (unsigned)Val, Argument, ArgumentLen,
950  OutStr);
951  } else if (ModifierIs(Modifier, ModifierLen, "ordinal")) {
952  HandleOrdinalModifier((unsigned)Val, OutStr);
953  } else {
954  assert(ModifierLen == 0 && "Unknown integer modifier");
955  llvm::raw_svector_ostream(OutStr) << Val;
956  }
957  break;
958  }
960  uint64_t Val = getArgUInt(ArgNo);
961 
962  if (ModifierIs(Modifier, ModifierLen, "select")) {
963  HandleSelectModifier(*this, Val, Argument, ArgumentLen, OutStr);
964  } else if (ModifierIs(Modifier, ModifierLen, "s")) {
965  HandleIntegerSModifier(Val, OutStr);
966  } else if (ModifierIs(Modifier, ModifierLen, "plural")) {
967  HandlePluralModifier(*this, (unsigned)Val, Argument, ArgumentLen,
968  OutStr);
969  } else if (ModifierIs(Modifier, ModifierLen, "ordinal")) {
970  HandleOrdinalModifier(Val, OutStr);
971  } else {
972  assert(ModifierLen == 0 && "Unknown integer modifier");
973  llvm::raw_svector_ostream(OutStr) << Val;
974  }
975  break;
976  }
977  // ---- TOKEN SPELLINGS ----
979  tok::TokenKind Kind = static_cast<tok::TokenKind>(getRawArg(ArgNo));
980  assert(ModifierLen == 0 && "No modifiers for token kinds yet");
981 
982  llvm::raw_svector_ostream Out(OutStr);
983  if (const char *S = tok::getPunctuatorSpelling(Kind))
984  // Quoted token spelling for punctuators.
985  Out << '\'' << S << '\'';
986  else if ((S = tok::getKeywordSpelling(Kind)))
987  // Unquoted token spelling for keywords.
988  Out << S;
989  else if ((S = getTokenDescForDiagnostic(Kind)))
990  // Unquoted translatable token name.
991  Out << S;
992  else if ((S = tok::getTokenName(Kind)))
993  // Debug name, shouldn't appear in user-facing diagnostics.
994  Out << '<' << S << '>';
995  else
996  Out << "(null)";
997  break;
998  }
999  // ---- NAMES and TYPES ----
1000  case DiagnosticsEngine::ak_identifierinfo: {
1001  const IdentifierInfo *II = getArgIdentifier(ArgNo);
1002  assert(ModifierLen == 0 && "No modifiers for strings yet");
1003 
1004  // Don't crash if get passed a null pointer by accident.
1005  if (!II) {
1006  const char *S = "(null)";
1007  OutStr.append(S, S + strlen(S));
1008  continue;
1009  }
1010 
1011  llvm::raw_svector_ostream(OutStr) << '\'' << II->getName() << '\'';
1012  break;
1013  }
1023  StringRef(Modifier, ModifierLen),
1024  StringRef(Argument, ArgumentLen),
1025  FormattedArgs,
1026  OutStr, QualTypeVals);
1027  break;
1029  // Create a struct with all the info needed for printing.
1030  TemplateDiffTypes TDT;
1031  TDT.FromType = getRawArg(ArgNo);
1032  TDT.ToType = getRawArg(ArgNo2);
1033  TDT.ElideType = getDiags()->ElideType;
1034  TDT.ShowColors = getDiags()->ShowColors;
1035  TDT.TemplateDiffUsed = false;
1036  intptr_t val = reinterpret_cast<intptr_t>(&TDT);
1037 
1038  const char *ArgumentEnd = Argument + ArgumentLen;
1039  const char *Pipe = ScanFormat(Argument, ArgumentEnd, '|');
1040 
1041  // Print the tree. If this diagnostic already has a tree, skip the
1042  // second tree.
1043  if (getDiags()->PrintTemplateTree && Tree.empty()) {
1044  TDT.PrintFromType = true;
1045  TDT.PrintTree = true;
1047  StringRef(Modifier, ModifierLen),
1048  StringRef(Argument, ArgumentLen),
1049  FormattedArgs,
1050  Tree, QualTypeVals);
1051  // If there is no tree information, fall back to regular printing.
1052  if (!Tree.empty()) {
1053  FormatDiagnostic(Pipe + 1, ArgumentEnd, OutStr);
1054  break;
1055  }
1056  }
1057 
1058  // Non-tree printing, also the fall-back when tree printing fails.
1059  // The fall-back is triggered when the types compared are not templates.
1060  const char *FirstDollar = ScanFormat(Argument, ArgumentEnd, '$');
1061  const char *SecondDollar = ScanFormat(FirstDollar + 1, ArgumentEnd, '$');
1062 
1063  // Append before text
1064  FormatDiagnostic(Argument, FirstDollar, OutStr);
1065 
1066  // Append first type
1067  TDT.PrintTree = false;
1068  TDT.PrintFromType = true;
1070  StringRef(Modifier, ModifierLen),
1071  StringRef(Argument, ArgumentLen),
1072  FormattedArgs,
1073  OutStr, QualTypeVals);
1074  if (!TDT.TemplateDiffUsed)
1075  FormattedArgs.push_back(std::make_pair(DiagnosticsEngine::ak_qualtype,
1076  TDT.FromType));
1077 
1078  // Append middle text
1079  FormatDiagnostic(FirstDollar + 1, SecondDollar, OutStr);
1080 
1081  // Append second type
1082  TDT.PrintFromType = false;
1084  StringRef(Modifier, ModifierLen),
1085  StringRef(Argument, ArgumentLen),
1086  FormattedArgs,
1087  OutStr, QualTypeVals);
1088  if (!TDT.TemplateDiffUsed)
1089  FormattedArgs.push_back(std::make_pair(DiagnosticsEngine::ak_qualtype,
1090  TDT.ToType));
1091 
1092  // Append end text
1093  FormatDiagnostic(SecondDollar + 1, Pipe, OutStr);
1094  break;
1095  }
1096  }
1097 
1098  // Remember this argument info for subsequent formatting operations. Turn
1099  // std::strings into a null terminated string to make it be the same case as
1100  // all the other ones.
1102  continue;
1104  FormattedArgs.push_back(std::make_pair(Kind, getRawArg(ArgNo)));
1105  else
1106  FormattedArgs.push_back(std::make_pair(DiagnosticsEngine::ak_c_string,
1107  (intptr_t)getArgStdStr(ArgNo).c_str()));
1108  }
1109 
1110  // Append the type tree to the end of the diagnostics.
1111  OutStr.append(Tree.begin(), Tree.end());
1112 }
1113 
1115  StringRef Message)
1116  : ID(ID), Level(Level), Message(Message) {}
1117 
1119  const Diagnostic &Info)
1120  : ID(Info.getID()), Level(Level) {
1121  assert((Info.getLocation().isInvalid() || Info.hasSourceManager()) &&
1122  "Valid source location without setting a source manager for diagnostic");
1123  if (Info.getLocation().isValid())
1124  Loc = FullSourceLoc(Info.getLocation(), Info.getSourceManager());
1125  SmallString<64> Message;
1126  Info.FormatDiagnostic(Message);
1127  this->Message.assign(Message.begin(), Message.end());
1128  this->Ranges.assign(Info.getRanges().begin(), Info.getRanges().end());
1129  this->FixIts.assign(Info.getFixItHints().begin(), Info.getFixItHints().end());
1130 }
1131 
1133  StringRef Message, FullSourceLoc Loc,
1135  ArrayRef<FixItHint> FixIts)
1136  : ID(ID), Level(Level), Loc(Loc), Message(Message),
1137  Ranges(Ranges.begin(), Ranges.end()), FixIts(FixIts.begin(), FixIts.end())
1138 {
1139 }
1140 
1141 llvm::raw_ostream &clang::operator<<(llvm::raw_ostream &OS,
1142  const StoredDiagnostic &SD) {
1143  if (SD.getLocation().hasManager())
1144  OS << SD.getLocation().printToString(SD.getLocation().getManager()) << ": ";
1145  OS << SD.getMessage();
1146  return OS;
1147 }
1148 
1149 /// IncludeInDiagnosticCounts - This method (whose default implementation
1150 /// returns true) indicates whether the diagnostics handled by this
1151 /// DiagnosticConsumer should be included in the number of diagnostics
1152 /// reported by DiagnosticsEngine.
1154 
1155 void IgnoringDiagConsumer::anchor() {}
1156 
1158 
1160  DiagnosticsEngine::Level DiagLevel,
1161  const Diagnostic &Info) {
1162  Target.HandleDiagnostic(DiagLevel, Info);
1163 }
1164 
1167  Target.clear();
1168 }
1169 
1171  return Target.IncludeInDiagnosticCounts();
1172 }
1173 
1175  for (unsigned I = 0; I != NumCached; ++I)
1176  FreeList[I] = Cached + I;
1177  NumFreeListEntries = NumCached;
1178 }
1179 
1181  // Don't assert if we are in a CrashRecovery context, as this invariant may
1182  // be invalidated during a crash.
1183  assert((NumFreeListEntries == NumCached ||
1184  llvm::CrashRecoveryContext::isRecoveringFromCrash()) &&
1185  "A partial is on the lam");
1186 }
1187 
1188 char DiagnosticError::ID;
clang::DiagnosticsEngine::Level
Level
The level of the diagnostic, after it has been through mapping.
Definition: Diagnostic.h:195
clang::diag::Severity
Severity
Enum values that allow the client to map NOTEs, WARNINGs, and EXTENSIONs to either Ignore (nothing),...
Definition: DiagnosticIDs.h:82
clang::DiagnosticsEngine::Reset
void Reset()
Reset the state of the diagnostic object to its initial configuration.
Definition: Diagnostic.cpp:133
max
__DEVICE__ int max(int __a, int __b)
Definition: __clang_cuda_math.h:196
clang::FullSourceLoc::getManager
const SourceManager & getManager() const
Definition: SourceLocation.h:382
clang::FullSourceLoc::hasManager
bool hasManager() const
Checks whether the SourceManager is present.
Definition: SourceLocation.h:379
clang::threadSafety::sx::equals
bool equals(const til::SExpr *E1, const til::SExpr *E2)
Definition: ThreadSafetyCommon.h:64
clang::DiagnosticsEngine::ak_qual
@ ak_qual
Qualifiers.
Definition: Diagnostic.h:227
clang::DiagnosticIDs::getAllDiagnostics
static void getAllDiagnostics(diag::Flavor Flavor, std::vector< diag::kind > &Diags)
Get the set of all diagnostic IDs.
Definition: DiagnosticIDs.cpp:706
Specifiers.h
clang::diag::Severity::Error
@ Error
Present this diagnostic as an error.
clang::FullSourceLoc
A SourceLocation and its associated SourceManager.
Definition: SourceLocation.h:368
clang::DeclaratorContext::File
@ File
clang::DiagnosticsEngine::setSeverity
void setSeverity(diag::kind Diag, diag::Severity Map, SourceLocation Loc)
This allows the client to specify that certain warnings are ignored.
Definition: Diagnostic.cpp:355
string
string(SUBSTRING ${CMAKE_CURRENT_BINARY_DIR} 0 ${PATH_LIB_START} PATH_HEAD) string(SUBSTRING $
Definition: CMakeLists.txt:22
clang::DiagnosticsEngine::setClient
void setClient(DiagnosticConsumer *client, bool ShouldOwnClient=true)
Set the diagnostic client associated with this diagnostic object.
Definition: Diagnostic.cpp:111
clang::Diagnostic::getArgStdStr
const std::string & getArgStdStr(unsigned Idx) const
Return the provided argument string specified by Idx.
Definition: Diagnostic.h:1591
clang::TemplateDiffTypes::TemplateDiffUsed
unsigned TemplateDiffUsed
Definition: Diagnostic.h:1829
clang::DiagnosticsEngine::popMappings
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...
Definition: Diagnostic.cpp:121
Diag
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.
Definition: LiteralSupport.cpp:78
llvm::SmallVector
Definition: LLVM.h:38
clang::DiagnosticsEngine::setDiagnosticGroupErrorAsFatal
bool setDiagnosticGroupErrorAsFatal(StringRef Group, bool Enabled)
Set the error-as-fatal flag for the given diagnostic group.
Definition: Diagnostic.cpp:456
clang::SourceLocation
Encodes a location in the source.
Definition: SourceLocation.h:86
clang::StoredDiagnostic::StoredDiagnostic
StoredDiagnostic()=default
clang::SourceLocation::getLocWithOffset
SourceLocation getLocWithOffset(IntTy Offset) const
Return a source location with the specified offset from this SourceLocation.
Definition: SourceLocation.h:134
HandleSelectModifier
static void HandleSelectModifier(const Diagnostic &DInfo, unsigned ValNo, const char *Argument, unsigned ArgumentLen, SmallVectorImpl< char > &OutStr)
HandleSelectModifier - Handle the integer 'select' modifier.
Definition: Diagnostic.cpp:611
clang::MultiVersionKind::Target
@ Target
clang::DiagnosticConsumer
Abstract interface, implemented by clients of the front-end, which formats and prints fully processed...
Definition: Diagnostic.h:1738
clang::DiagnosticConsumer::NumErrors
unsigned NumErrors
Number of errors reported.
Definition: Diagnostic.h:1741
clang::tok::getPunctuatorSpelling
const char * getPunctuatorSpelling(TokenKind Kind) LLVM_READNONE
Determines the spelling of simple punctuation tokens like '!' or '', and returns NULL for literal and...
Definition: TokenKinds.cpp:31
clang::diag::Severity::Remark
@ Remark
Present this diagnostic as a remark.
clang::Diagnostic::getRawArg
uint64_t getRawArg(unsigned Idx) const
Return the specified non-string argument in an opaque form.
Definition: Diagnostic.h:1633
clang::DiagnosticMapping::hasNoWarningAsError
bool hasNoWarningAsError() const
Definition: DiagnosticIDs.h:133
clang::DiagnosticIDs::Level
Level
The level of the diagnostic, after it has been through mapping.
Definition: DiagnosticIDs.h:169
SourceManager.h
clang::TemplateDiffTypes::ToType
intptr_t ToType
Definition: Diagnostic.h:1822
DiagnosticError.h
clang::DiagnosticsEngine::setSeverityForGroup
bool setSeverityForGroup(diag::Flavor Flavor, StringRef Group, diag::Severity Map, SourceLocation Loc=SourceLocation())
Change an entire diagnostic group (e.g.
Definition: Diagnostic.cpp:402
clang::StoredDiagnostic::getMessage
StringRef getMessage() const
Definition: Diagnostic.h:1708
clang::isPunctuation
LLVM_READONLY bool isPunctuation(unsigned char c)
Return true if this character is an ASCII punctuation character.
Definition: CharInfo.h:137
DiagnosticIDs.h
clang::diag::Group
Group
Definition: DiagnosticCategories.h:23
clang::Diagnostic::getDiags
const DiagnosticsEngine * getDiags() const
Definition: Diagnostic.h:1569
HandleOrdinalModifier
static void HandleOrdinalModifier(unsigned ValNo, SmallVectorImpl< char > &OutStr)
HandleOrdinalModifier - Handle the integer 'ord' modifier.
Definition: Diagnostic.cpp:645
clang::DiagnosticMapping::setUpgradedFromWarning
void setUpgradedFromWarning(bool Value)
Definition: DiagnosticIDs.h:143
End
SourceLocation End
Definition: USRLocFinder.cpp:167
getTokenDescForDiagnostic
static const char * getTokenDescForDiagnostic(tok::TokenKind Kind)
Returns the friendly description for a token kind that will appear without quotes in diagnostic messa...
Definition: Diagnostic.cpp:779
clang::StoredDiagnostic::getID
unsigned getID() const
Definition: Diagnostic.h:1705
clang::SourceManager
This class handles loading and caching of source files into memory.
Definition: SourceManager.h:627
clang::DiagnosticStorage::DiagRanges
SmallVector< CharSourceRange, 8 > DiagRanges
The list of ranges added to this diagnostic.
Definition: Diagnostic.h:177
Offset
unsigned Offset
Definition: Format.cpp:2553
clang::Diagnostic
A little helper class (which is basically a smart pointer that forwards info from DiagnosticsEngine) ...
Definition: Diagnostic.h:1560
clang::TemplateDiffTypes
Definition: Diagnostic.h:1820
TokenKinds.h
clang::DiagnosticConsumer::NumWarnings
unsigned NumWarnings
Number of warnings reported.
Definition: Diagnostic.h:1740
clang::DiagnosticsEngine::setDiagnosticGroupWarningAsError
bool setDiagnosticGroupWarningAsError(StringRef Group, bool Enabled)
Set the warning-as-error flag for the given diagnostic group.
Definition: Diagnostic.cpp:425
clang::diag::Severity::Ignored
@ Ignored
Do not present this diagnostic, ignore it.
clang::DiagnosticConsumer::HandleDiagnostic
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.
Definition: Diagnostic.cpp:561
clang::DiagnosticsEngine::ArgumentKind
ArgumentKind
Definition: Diagnostic.h:204
clang::StoredDiagnostic::range_begin
range_iterator range_begin() const
Definition: Diagnostic.h:1714
clang::SourceLocation::print
void print(raw_ostream &OS, const SourceManager &SM) const
Definition: SourceLocation.cpp:62
clang::ForwardingDiagnosticConsumer::IncludeInDiagnosticCounts
bool IncludeInDiagnosticCounts() const override
Indicates whether the diagnostics handled by this DiagnosticConsumer should be included in the number...
Definition: Diagnostic.cpp:1170
clang::diag::Flavor::WarningOrError
@ WarningOrError
A diagnostic that indicates a problem or potential problem.
EvalPluralExpr
static bool EvalPluralExpr(unsigned ValNo, const char *Start, const char *End)
EvalPluralExpr - Actual expression evaluator for HandlePluralModifier.
Definition: Diagnostic.cpp:686
clang::TemplateDiffTypes::FromType
intptr_t FromType
Definition: Diagnostic.h:1821
clang::threadSafety::sx::toString
std::string toString(const til::SExpr *E)
Definition: ThreadSafetyCommon.h:90
clang::diag::Severity::Fatal
@ Fatal
Present this diagnostic as a fatal error.
clang::StreamingDiagnostic
The streaming interface shared between DiagnosticBuilder and PartialDiagnostic.
Definition: Diagnostic.h:1109
clang::DiagnosticsEngine::Clear
void Clear()
Clear out the current diagnostic.
Definition: Diagnostic.h:976
Diagnostic.h
clang::DiagnosticsEngine::EmitCurrentDiagnostic
bool EmitCurrentDiagnostic(bool Force=false)
Emit the current diagnostic and clear the diagnostic state.
Definition: Diagnostic.cpp:527
clang::Diagnostic::getNumArgs
unsigned getNumArgs() const
Definition: Diagnostic.h:1575
Depth
int Depth
Definition: ASTDiff.cpp:191
clang::DiagnosticMapping
Definition: DiagnosticIDs.h:101
clang::DiagnosticsEngine::Error
@ Error
Definition: Diagnostic.h:200
clang::Diagnostic::getArgCStr
const char * getArgCStr(unsigned Idx) const
Return the specified C string argument.
Definition: Diagnostic.h:1599
intptr_t
__INTPTR_TYPE__ intptr_t
A signed integer type with the property that any valid pointer to void can be converted to this type,...
Definition: opencl-c-base.h:131
clang::DiagnosticsEngine::ak_attr
@ ak_attr
Attr *.
Definition: Diagnostic.h:248
clang::DiagnosticsEngine::getDiagnosticIDs
const IntrusiveRefCntPtr< DiagnosticIDs > & getDiagnosticIDs() const
Definition: Diagnostic.h:551
clang::DiagNullabilityKind
std::pair< NullabilityKind, bool > DiagNullabilityKind
A nullability kind paired with a bit indicating whether it used a context-sensitive keyword.
Definition: Diagnostic.h:1531
IdentifierTable.h
clang::DiagnosticsEngine::getClient
DiagnosticConsumer * getClient()
Definition: Diagnostic.h:566
clang::tok::getTokenName
const char * getTokenName(TokenKind Kind) LLVM_READNONE
Determines the name of a token as used within the front end.
Definition: TokenKinds.cpp:24
llvm::SmallString
Definition: LLVM.h:37
clang::DiagnosticsEngine::ak_qualtype_pair
@ ak_qualtype_pair
pair<QualType, QualType>
Definition: Diagnostic.h:245
clang::DiagnosticsEngine::ak_sint
@ ak_sint
int
Definition: Diagnostic.h:212
clang::StoredDiagnostic::range_end
range_iterator range_end() const
Definition: Diagnostic.h:1715
clang::diag::DIAG_UPPER_LIMIT
@ DIAG_UPPER_LIMIT
Definition: DiagnosticIDs.h:59
clang::Diagnostic::getArgUInt
uint64_t getArgUInt(unsigned Idx) const
Return the specified unsigned integer argument.
Definition: Diagnostic.h:1616
clang::operator<<
const StreamingDiagnostic & operator<<(const StreamingDiagnostic &DB, const ASTContext::SectionInfo &Section)
Insertion operator for diagnostics.
Definition: ASTContext.cpp:12296
clang::DiagnosticConsumer::~DiagnosticConsumer
virtual ~DiagnosticConsumer()
clang::DiagnosticsEngine::ak_tokenkind
@ ak_tokenkind
enum TokenKind : unsigned
Definition: Diagnostic.h:218
clang::DiagnosticConsumer::IncludeInDiagnosticCounts
virtual bool IncludeInDiagnosticCounts() const
Indicates whether the diagnostics handled by this DiagnosticConsumer should be included in the number...
Definition: Diagnostic.cpp:1153
clang::SourceManager::getDecomposedLoc
std::pair< FileID, unsigned > getDecomposedLoc(SourceLocation Loc) const
Decompose the specified location into a raw FileID + Offset pair.
Definition: SourceManager.h:1241
clang::StreamingDiagnostic::DiagStorageAllocator::DiagStorageAllocator
DiagStorageAllocator()
clang::Diagnostic::getArgSInt
int64_t getArgSInt(unsigned Idx) const
Return the specified signed integer argument.
Definition: Diagnostic.h:1608
clang::StoredDiagnostic
Represents a diagnostic in a form that can be retained until its corresponding source manager is dest...
Definition: Diagnostic.h:1684
clang::SourceManager::getLocForStartOfFile
SourceLocation getLocForStartOfFile(FileID FID) const
Return the source location corresponding to the first byte of the specified file.
Definition: SourceManager.h:1123
clang::diag::Severity::Warning
@ Warning
Present this diagnostic as a warning.
clang::transformer::EditKind::Range
@ Range
clang::DiagnosticsEngine::ak_declarationname
@ ak_declarationname
DeclarationName.
Definition: Diagnostic.h:233
clang::DiagnosticMapping::getSeverity
diag::Severity getSeverity() const
Definition: DiagnosticIDs.h:122
ScanFormat
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...
Definition: Diagnostic.cpp:581
clang::TypeSpecifiersPipe::Pipe
@ Pipe
SourceLocation.h
clang::tok::TokenKind
TokenKind
Provides a simple uniform namespace for tokens from all C languages.
Definition: TokenKinds.h:25
P
StringRef P
Definition: ASTMatchersInternal.cpp:563
clang::DiagnosticsEngine::~DiagnosticsEngine
~DiagnosticsEngine()
Definition: Diagnostic.cpp:97
clang::StoredDiagnostic::getLocation
const FullSourceLoc & getLocation() const
Definition: Diagnostic.h:1707
CharInfo.h
clang::NullabilityKind::Unspecified
@ Unspecified
Whether values of this type can be null is (explicitly) unspecified.
clang::Diagnostic::getLocation
const SourceLocation & getLocation() const
Definition: Diagnostic.h:1571
dump
static void dump(llvm::raw_ostream &OS, StringRef FunctionName, ArrayRef< CounterExpression > Expressions, ArrayRef< CounterMappingRegion > Regions)
Definition: CoverageMappingGen.cpp:1519
clang::ForwardingDiagnosticConsumer::~ForwardingDiagnosticConsumer
~ForwardingDiagnosticConsumer() override
clang::tok::getKeywordSpelling
const char * getKeywordSpelling(TokenKind Kind) LLVM_READNONE
Determines the spelling of simple keyword and contextual keyword tokens like 'int' and 'dynamic_cast'...
Definition: TokenKinds.cpp:40
llvm::ArrayRef
Definition: LLVM.h:34
clang::StreamingDiagnostic::AddString
void AddString(StringRef V) const
Definition: Diagnostic.h:1193
clang::StreamingDiagnostic::DiagStorageAllocator::~DiagStorageAllocator
~DiagStorageAllocator()
clang::Diagnostic::getFixItHints
ArrayRef< FixItHint > getFixItHints() const
Definition: Diagnostic.h:1664
HandleIntegerSModifier
static void HandleIntegerSModifier(unsigned ValNo, SmallVectorImpl< char > &OutStr)
HandleIntegerSModifier - Handle the integer 's' modifier.
Definition: Diagnostic.cpp:635
clang::DiagnosticsEngine::ak_nameddecl
@ ak_nameddecl
NamedDecl *.
Definition: Diagnostic.h:236
clang::StoredDiagnostic::fixit_end
fixit_iterator fixit_end() const
Definition: Diagnostic.h:1725
State
LineState State
Definition: UnwrappedLineFormatter.cpp:1089
clang::ForwardingDiagnosticConsumer::HandleDiagnostic
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.
Definition: Diagnostic.cpp:1159
DummyArgToStringFn
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)
Definition: Diagnostic.cpp:76
clang::Diagnostic::getSourceManager
SourceManager & getSourceManager() const
Definition: Diagnostic.h:1573
clang::StoredDiagnostic::getLevel
DiagnosticsEngine::Level getLevel() const
Definition: Diagnostic.h:1706
clang::diag::Flavor
Flavor
Flavors of diagnostics we can emit.
Definition: DiagnosticIDs.h:93
clang::DiagnosticMapping::setNoErrorAsFatal
void setNoErrorAsFatal(bool Value)
Definition: DiagnosticIDs.h:137
clang::DiagnosticMapping::setSeverity
void setSeverity(diag::Severity Value)
Definition: DiagnosticIDs.h:123
clang::DiagnosticsEngine::DiagnosticsEngine
DiagnosticsEngine(IntrusiveRefCntPtr< DiagnosticIDs > Diags, IntrusiveRefCntPtr< DiagnosticOptions > DiagOpts, DiagnosticConsumer *client=nullptr, bool ShouldOwnClient=true)
Definition: Diagnostic.cpp:86
clang::Diagnostic::getArgKind
DiagnosticsEngine::ArgumentKind getArgKind(unsigned Idx) const
Return the kind of the specified index.
Definition: Diagnostic.h:1583
clang::DiagnosticsEngine::ak_addrspace
@ ak_addrspace
address space
Definition: Diagnostic.h:224
clang::ObjCPropertyAttribute::Kind
Kind
Definition: DeclObjCCommon.h:22
std
Definition: Format.h:4296
clang::DiagnosticsEngine::dump
LLVM_DUMP_METHOD void dump() const
Definition: Diagnostic.cpp:103
clang::Builtin::ID
ID
Definition: Builtins.h:49
clang::SourceLocation::isInvalid
bool isInvalid() const
Definition: SourceLocation.h:111
clang::DiagnosticsEngine::ConvertArgToString
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.
Definition: Diagnostic.h:874
ModifierIs
static bool ModifierIs(const char *Modifier, unsigned ModifierLen, const char(&Str)[StrLen])
ModifierIs - Return true if the specified modifier matches specified string.
Definition: Diagnostic.cpp:574
PartialDiagnostic.h
clang
Definition: CalledOnceCheck.h:17
clang::DiagnosticsEngine::ak_uint
@ ak_uint
unsigned
Definition: Diagnostic.h:215
clang::SourceManager::getDecomposedIncludedLoc
std::pair< FileID, unsigned > getDecomposedIncludedLoc(FileID FID) const
Returns the "included/expanded in" decomposed location of the given FileID.
Definition: SourceManager.cpp:1943
clang::Diagnostic::getRanges
ArrayRef< CharSourceRange > getRanges() const
Return an array reference for this diagnostic's ranges.
Definition: Diagnostic.h:1651
clang::DiagnosticsEngine::ak_c_string
@ ak_c_string
const char *
Definition: Diagnostic.h:209
clang::ComparisonCategoryType::Last
@ Last
clang::DiagnosticIDs::Ignored
@ Ignored
Definition: DiagnosticIDs.h:170
clang::DiagnosticError::ID
static char ID
Definition: DiagnosticError.h:47
clang::DiagnosticsEngine::SetDelayedDiagnostic
void SetDelayedDiagnostic(unsigned DiagID, StringRef Arg1="", StringRef Arg2="", StringRef Arg3="")
Set the "delayed" diagnostic that will be emitted once the current diagnostic completes.
Definition: Diagnostic.cpp:159
clang::DiagnosticStorage::NumDiagArgs
unsigned char NumDiagArgs
The number of entries in Arguments.
Definition: Diagnostic.h:159
clang::isDigit
LLVM_READONLY bool isDigit(unsigned char c)
Return true if this character is an ASCII digit: [0-9].
Definition: CharInfo.h:99
clang::prec::Level
Level
Definition: OperatorPrecedence.h:26
clang::FileID
An opaque identifier used by SourceManager which refers to a source file (MemoryBuffer) along with it...
Definition: SourceLocation.h:38
clang::SourceLocation::isValid
bool isValid() const
Return true if this is a valid SourceLocation object.
Definition: SourceLocation.h:110
clang::NullabilityKind::NullableResult
@ NullableResult
clang::DiagnosticConsumer::clear
virtual void clear()
Definition: Diagnostic.h:1749
unsigned
clang::ForwardingDiagnosticConsumer::clear
void clear() override
Definition: Diagnostic.cpp:1165
clang::NullabilityKind::Nullable
@ Nullable
Values of this type can be null.
DiagnosticOptions.h
clang::DiagnosticsEngine::setSeverityForAll
void setSeverityForAll(diag::Flavor Flavor, diag::Severity Map, SourceLocation Loc=SourceLocation())
Add the specified mapping to all diagnostics of the specified flavor.
Definition: Diagnostic.cpp:486
clang::Diagnostic::hasSourceManager
bool hasSourceManager() const
Definition: Diagnostic.h:1572
c
__device__ __2f16 float c
Definition: __clang_hip_libdevice_declares.h:315
clang::DiagnosticsEngine::pushMappings
void pushMappings(SourceLocation Loc)
Copies the current DiagMappings and pushes the new copy onto the top of the stack.
Definition: Diagnostic.cpp:117
clang::TemplateDiffTypes::PrintFromType
unsigned PrintFromType
Definition: Diagnostic.h:1824
clang::TemplateDiffTypes::ShowColors
unsigned ShowColors
Definition: Diagnostic.h:1826
Tree
SyntaxTree::Impl & Tree
Definition: ASTDiff.cpp:193
clang::Diagnostic::getID
unsigned getID() const
Definition: Diagnostic.h:1570
llvm::SmallVectorImpl< char >
clang::TemplateDiffTypes::ElideType
unsigned ElideType
Definition: Diagnostic.h:1825
clang::TemplateDiffTypes::PrintTree
unsigned PrintTree
Definition: Diagnostic.h:1823
TestPluralRange
static bool TestPluralRange(unsigned Val, const char *&Start, const char *End)
TestPluralRange - Test if Val is in the parsed range. Modifies Start.
Definition: Diagnostic.cpp:669
clang::DiagnosticMapping::setNoWarningAsError
void setNoWarningAsError(bool Value)
Definition: DiagnosticIDs.h:134
clang::DiagnosticsEngine::ak_qualtype
@ ak_qualtype
QualType.
Definition: Diagnostic.h:230
clang::Diagnostic::FormatDiagnostic
void FormatDiagnostic(SmallVectorImpl< char > &OutStr) const
Format this diagnostic into a string, substituting the formal arguments into the %0 slots.
Definition: Diagnostic.cpp:792
clang::DiagnosticsEngine::Warning
@ Warning
Definition: Diagnostic.h:199
clang::NullabilityKind::NonNull
@ NonNull
Values of this type can never be null.
clang::SourceManager::getBufferOrFake
llvm::MemoryBufferRef getBufferOrFake(FileID FID, SourceLocation Loc=SourceLocation()) const
Return the buffer for the specified FileID.
Definition: SourceManager.h:1028
clang::DiagnosticsEngine::ak_std_string
@ ak_std_string
std::string
Definition: Diagnostic.h:206
clang::DiagnosticsEngine::ak_declcontext
@ ak_declcontext
DeclContext *.
Definition: Diagnostic.h:242
clang::DiagnosticStorage::FixItHints
SmallVector< FixItHint, 6 > FixItHints
If valid, provides a hint with some code to insert, remove, or modify at a particular position.
Definition: Diagnostic.h:181
clang::DiagnosticIDs::getWarningOptionForDiag
static StringRef getWarningOptionForDiag(unsigned DiagID)
Return the lowest-level warning option that enables the specified diagnostic.
Definition: DiagnosticIDs.cpp:649
HandlePluralModifier
static void HandlePluralModifier(const Diagnostic &DInfo, unsigned ValNo, const char *Argument, unsigned ArgumentLen, SmallVectorImpl< char > &OutStr)
HandlePluralModifier - Handle the integer 'plural' modifier.
Definition: Diagnostic.cpp:752
llvm::IntrusiveRefCntPtr
Definition: LLVM.h:47
clang::StoredDiagnostic::fixit_begin
fixit_iterator fixit_begin() const
Definition: Diagnostic.h:1724
clang::DiagnosticsEngine::Report
DiagnosticBuilder Report(SourceLocation Loc, unsigned DiagID)
Issue the message to the client.
Definition: Diagnostic.h:1536
PluralNumber
static unsigned PluralNumber(const char *&Start, const char *End)
PluralNumber - Parse an unsigned integer and advance Start.
Definition: Diagnostic.cpp:657
clang::SourceLocation::printToString
std::string printToString(const SourceManager &SM) const
Definition: SourceLocation.cpp:89
clang::DiagnosticsEngine::ak_nestednamespec
@ ak_nestednamespec
NestedNameSpecifier *.
Definition: Diagnostic.h:239