1 //===--- Diagnostic.cpp - C Language Family Diagnostic Handling -----------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file implements the Diagnostic-related interfaces.
12 //===----------------------------------------------------------------------===//
14 #include "clang/Basic/Diagnostic.h"
15 #include "clang/Basic/IdentifierTable.h"
16 #include "clang/Basic/PartialDiagnostic.h"
17 #include "llvm/ADT/SmallVector.h"
18 #include "llvm/Support/raw_ostream.h"
19 #include "llvm/Support/CrashRecoveryContext.h"
21 using namespace clang;
23 static void DummyArgToStringFn(DiagnosticsEngine::ArgumentKind AK, intptr_t QT,
24 const char *Modifier, unsigned ML,
25 const char *Argument, unsigned ArgLen,
26 const DiagnosticsEngine::ArgumentValue *PrevArgs,
28 SmallVectorImpl<char> &Output,
30 SmallVectorImpl<intptr_t> &QualTypeVals) {
31 const char *Str = "<can't format argument>";
32 Output.append(Str, Str+strlen(Str));
36 DiagnosticsEngine::DiagnosticsEngine(
37 const llvm::IntrusiveRefCntPtr<DiagnosticIDs> &diags,
38 DiagnosticConsumer *client, bool ShouldOwnClient)
39 : Diags(diags), Client(client), OwnsDiagClient(ShouldOwnClient),
41 ArgToStringFn = DummyArgToStringFn;
42 ArgToStringCookie = 0;
44 AllExtensionsSilenced = 0;
45 IgnoreAllWarnings = false;
46 WarningsAsErrors = false;
47 EnableAllWarnings = false;
48 ErrorsAsFatal = false;
49 SuppressSystemWarnings = false;
50 SuppressAllDiagnostics = false;
51 ShowOverloads = Ovl_All;
52 ExtBehavior = Ext_Ignore;
55 TemplateBacktraceLimit = 0;
60 DiagnosticsEngine::~DiagnosticsEngine() {
65 void DiagnosticsEngine::setClient(DiagnosticConsumer *client,
66 bool ShouldOwnClient) {
67 if (OwnsDiagClient && Client)
71 OwnsDiagClient = ShouldOwnClient;
74 void DiagnosticsEngine::pushMappings(SourceLocation Loc) {
75 DiagStateOnPushStack.push_back(GetCurDiagState());
78 bool DiagnosticsEngine::popMappings(SourceLocation Loc) {
79 if (DiagStateOnPushStack.empty())
82 if (DiagStateOnPushStack.back() != GetCurDiagState()) {
83 // State changed at some point between push/pop.
84 PushDiagStatePoint(DiagStateOnPushStack.back(), Loc);
86 DiagStateOnPushStack.pop_back();
90 void DiagnosticsEngine::Reset() {
91 ErrorOccurred = false;
92 FatalErrorOccurred = false;
93 UnrecoverableErrorOccurred = false;
97 NumErrorsSuppressed = 0;
98 TrapNumErrorsOccurred = 0;
99 TrapNumUnrecoverableErrorsOccurred = 0;
102 // Set LastDiagLevel to an "unset" state. If we set it to 'Ignored', notes
103 // using a DiagnosticsEngine associated to a translation unit that follow
104 // diagnostics from a DiagnosticsEngine associated to anoter t.u. will not be
106 LastDiagLevel = (DiagnosticIDs::Level)-1;
109 // Clear state related to #pragma diagnostic.
111 DiagStatePoints.clear();
112 DiagStateOnPushStack.clear();
114 // Create a DiagState and DiagStatePoint representing diagnostic changes
115 // through command-line.
116 DiagStates.push_back(DiagState());
117 PushDiagStatePoint(&DiagStates.back(), SourceLocation());
120 void DiagnosticsEngine::SetDelayedDiagnostic(unsigned DiagID, StringRef Arg1,
125 DelayedDiagID = DiagID;
126 DelayedDiagArg1 = Arg1.str();
127 DelayedDiagArg2 = Arg2.str();
130 void DiagnosticsEngine::ReportDelayed() {
131 Report(DelayedDiagID) << DelayedDiagArg1 << DelayedDiagArg2;
133 DelayedDiagArg1.clear();
134 DelayedDiagArg2.clear();
137 DiagnosticsEngine::DiagStatePointsTy::iterator
138 DiagnosticsEngine::GetDiagStatePointForLoc(SourceLocation L) const {
139 assert(!DiagStatePoints.empty());
140 assert(DiagStatePoints.front().Loc.isInvalid() &&
141 "Should have created a DiagStatePoint for command-line");
143 FullSourceLoc Loc(L, *SourceMgr);
145 return DiagStatePoints.end() - 1;
147 DiagStatePointsTy::iterator Pos = DiagStatePoints.end();
148 FullSourceLoc LastStateChangePos = DiagStatePoints.back().Loc;
149 if (LastStateChangePos.isValid() &&
150 Loc.isBeforeInTranslationUnitThan(LastStateChangePos))
151 Pos = std::upper_bound(DiagStatePoints.begin(), DiagStatePoints.end(),
152 DiagStatePoint(0, Loc));
157 /// \brief This allows the client to specify that certain
158 /// warnings are ignored. Notes can never be mapped, errors can only be
159 /// mapped to fatal, and WARNINGs and EXTENSIONs can be mapped arbitrarily.
161 /// \param The source location that this change of diagnostic state should
162 /// take affect. It can be null if we are setting the latest state.
163 void DiagnosticsEngine::setDiagnosticMapping(diag::kind Diag, diag::Mapping Map,
165 assert(Diag < diag::DIAG_UPPER_LIMIT &&
166 "Can only map builtin diagnostics");
167 assert((Diags->isBuiltinWarningOrExtension(Diag) ||
168 (Map == diag::MAP_FATAL || Map == diag::MAP_ERROR)) &&
169 "Cannot map errors into warnings!");
170 assert(!DiagStatePoints.empty());
172 bool isPragma = L.isValid();
173 FullSourceLoc Loc(L, *SourceMgr);
174 FullSourceLoc LastStateChangePos = DiagStatePoints.back().Loc;
175 DiagnosticMappingInfo MappingInfo = DiagnosticMappingInfo::Make(
176 Map, /*IsUser=*/true, isPragma);
178 // If this is a pragma mapping, then set the diagnostic mapping flags so that
179 // we override command line options.
181 MappingInfo.setNoWarningAsError(true);
182 MappingInfo.setNoErrorAsFatal(true);
185 // Common case; setting all the diagnostics of a group in one place.
186 if (Loc.isInvalid() || Loc == LastStateChangePos) {
187 GetCurDiagState()->setMappingInfo(Diag, MappingInfo);
191 // Another common case; modifying diagnostic state in a source location
192 // after the previous one.
193 if ((Loc.isValid() && LastStateChangePos.isInvalid()) ||
194 LastStateChangePos.isBeforeInTranslationUnitThan(Loc)) {
195 // A diagnostic pragma occurred, create a new DiagState initialized with
196 // the current one and a new DiagStatePoint to record at which location
197 // the new state became active.
198 DiagStates.push_back(*GetCurDiagState());
199 PushDiagStatePoint(&DiagStates.back(), Loc);
200 GetCurDiagState()->setMappingInfo(Diag, MappingInfo);
204 // We allow setting the diagnostic state in random source order for
205 // completeness but it should not be actually happening in normal practice.
207 DiagStatePointsTy::iterator Pos = GetDiagStatePointForLoc(Loc);
208 assert(Pos != DiagStatePoints.end());
210 // Update all diagnostic states that are active after the given location.
211 for (DiagStatePointsTy::iterator
212 I = Pos+1, E = DiagStatePoints.end(); I != E; ++I) {
213 GetCurDiagState()->setMappingInfo(Diag, MappingInfo);
216 // If the location corresponds to an existing point, just update its state.
217 if (Pos->Loc == Loc) {
218 GetCurDiagState()->setMappingInfo(Diag, MappingInfo);
222 // Create a new state/point and fit it into the vector of DiagStatePoints
223 // so that the vector is always ordered according to location.
224 Pos->Loc.isBeforeInTranslationUnitThan(Loc);
225 DiagStates.push_back(*Pos->State);
226 DiagState *NewState = &DiagStates.back();
227 GetCurDiagState()->setMappingInfo(Diag, MappingInfo);
228 DiagStatePoints.insert(Pos+1, DiagStatePoint(NewState,
229 FullSourceLoc(Loc, *SourceMgr)));
232 bool DiagnosticsEngine::setDiagnosticGroupMapping(
233 StringRef Group, diag::Mapping Map, SourceLocation Loc)
235 // Get the diagnostics in this group.
236 llvm::SmallVector<diag::kind, 8> GroupDiags;
237 if (Diags->getDiagnosticsInGroup(Group, GroupDiags))
241 for (unsigned i = 0, e = GroupDiags.size(); i != e; ++i)
242 setDiagnosticMapping(GroupDiags[i], Map, Loc);
247 bool DiagnosticsEngine::setDiagnosticGroupWarningAsError(StringRef Group,
249 // If we are enabling this feature, just set the diagnostic mappings to map to
252 return setDiagnosticGroupMapping(Group, diag::MAP_ERROR);
254 // Otherwise, we want to set the diagnostic mapping's "no Werror" bit, and
255 // potentially downgrade anything already mapped to be a warning.
257 // Get the diagnostics in this group.
258 llvm::SmallVector<diag::kind, 8> GroupDiags;
259 if (Diags->getDiagnosticsInGroup(Group, GroupDiags))
262 // Perform the mapping change.
263 for (unsigned i = 0, e = GroupDiags.size(); i != e; ++i) {
264 DiagnosticMappingInfo &Info = GetCurDiagState()->getOrAddMappingInfo(
267 if (Info.getMapping() == diag::MAP_ERROR ||
268 Info.getMapping() == diag::MAP_FATAL)
269 Info.setMapping(diag::MAP_WARNING);
271 Info.setNoWarningAsError(true);
277 bool DiagnosticsEngine::setDiagnosticGroupErrorAsFatal(StringRef Group,
279 // If we are enabling this feature, just set the diagnostic mappings to map to
282 return setDiagnosticGroupMapping(Group, diag::MAP_FATAL);
284 // Otherwise, we want to set the diagnostic mapping's "no Werror" bit, and
285 // potentially downgrade anything already mapped to be an error.
287 // Get the diagnostics in this group.
288 llvm::SmallVector<diag::kind, 8> GroupDiags;
289 if (Diags->getDiagnosticsInGroup(Group, GroupDiags))
292 // Perform the mapping change.
293 for (unsigned i = 0, e = GroupDiags.size(); i != e; ++i) {
294 DiagnosticMappingInfo &Info = GetCurDiagState()->getOrAddMappingInfo(
297 if (Info.getMapping() == diag::MAP_FATAL)
298 Info.setMapping(diag::MAP_ERROR);
300 Info.setNoErrorAsFatal(true);
306 void DiagnosticsEngine::Report(const StoredDiagnostic &storedDiag) {
307 assert(CurDiagID == ~0U && "Multiple diagnostics in flight at once!");
309 CurDiagLoc = storedDiag.getLocation();
310 CurDiagID = storedDiag.getID();
313 NumDiagRanges = storedDiag.range_size();
314 assert(NumDiagRanges < sizeof(DiagRanges)/sizeof(DiagRanges[0]) &&
315 "Too many arguments to diagnostic!");
317 for (StoredDiagnostic::range_iterator
318 RI = storedDiag.range_begin(),
319 RE = storedDiag.range_end(); RI != RE; ++RI)
320 DiagRanges[i++] = *RI;
322 NumFixItHints = storedDiag.fixit_size();
323 assert(NumFixItHints < DiagnosticsEngine::MaxFixItHints &&
324 "Too many fix-it hints!");
326 for (StoredDiagnostic::fixit_iterator
327 FI = storedDiag.fixit_begin(),
328 FE = storedDiag.fixit_end(); FI != FE; ++FI)
329 FixItHints[i++] = *FI;
331 assert(Client && "DiagnosticConsumer not set!");
332 Level DiagLevel = storedDiag.getLevel();
333 Diagnostic Info(this, storedDiag.getMessage());
334 Client->HandleDiagnostic(DiagLevel, Info);
335 if (Client->IncludeInDiagnosticCounts()) {
336 if (DiagLevel == DiagnosticsEngine::Warning)
343 void DiagnosticBuilder::FlushCounts() {
344 DiagObj->NumDiagArgs = NumArgs;
345 DiagObj->NumDiagRanges = NumRanges;
346 DiagObj->NumFixItHints = NumFixItHints;
349 bool DiagnosticBuilder::Emit() {
350 // If DiagObj is null, then its soul was stolen by the copy ctor
351 // or the user called Emit().
352 if (DiagObj == 0) return false;
354 // When emitting diagnostics, we set the final argument count into
355 // the DiagnosticsEngine object.
358 // Process the diagnostic, sending the accumulated information to the
359 // DiagnosticConsumer.
360 bool Emitted = DiagObj->ProcessDiag();
362 // Clear out the current diagnostic object.
363 unsigned DiagID = DiagObj->CurDiagID;
366 // If there was a delayed diagnostic, emit it now.
367 if (DiagObj->DelayedDiagID && DiagObj->DelayedDiagID != DiagID)
368 DiagObj->ReportDelayed();
370 // This diagnostic is dead.
377 DiagnosticConsumer::~DiagnosticConsumer() {}
379 void DiagnosticConsumer::HandleDiagnostic(DiagnosticsEngine::Level DiagLevel,
380 const Diagnostic &Info) {
381 if (!IncludeInDiagnosticCounts())
384 if (DiagLevel == DiagnosticsEngine::Warning)
386 else if (DiagLevel >= DiagnosticsEngine::Error)
390 /// ModifierIs - Return true if the specified modifier matches specified string.
391 template <std::size_t StrLen>
392 static bool ModifierIs(const char *Modifier, unsigned ModifierLen,
393 const char (&Str)[StrLen]) {
394 return StrLen-1 == ModifierLen && !memcmp(Modifier, Str, StrLen-1);
397 /// ScanForward - Scans forward, looking for the given character, skipping
398 /// nested clauses and escaped characters.
399 static const char *ScanFormat(const char *I, const char *E, char Target) {
402 for ( ; I != E; ++I) {
403 if (Depth == 0 && *I == Target) return I;
404 if (Depth != 0 && *I == '}') Depth--;
410 // Escaped characters get implicitly skipped here.
413 if (!isdigit(*I) && !ispunct(*I)) {
414 for (I++; I != E && !isdigit(*I) && *I != '{'; I++) ;
424 /// HandleSelectModifier - Handle the integer 'select' modifier. This is used
425 /// like this: %select{foo|bar|baz}2. This means that the integer argument
426 /// "%2" has a value from 0-2. If the value is 0, the diagnostic prints 'foo'.
427 /// If the value is 1, it prints 'bar'. If it has the value 2, it prints 'baz'.
428 /// This is very useful for certain classes of variant diagnostics.
429 static void HandleSelectModifier(const Diagnostic &DInfo, unsigned ValNo,
430 const char *Argument, unsigned ArgumentLen,
431 SmallVectorImpl<char> &OutStr) {
432 const char *ArgumentEnd = Argument+ArgumentLen;
434 // Skip over 'ValNo' |'s.
436 const char *NextVal = ScanFormat(Argument, ArgumentEnd, '|');
437 assert(NextVal != ArgumentEnd && "Value for integer select modifier was"
438 " larger than the number of options in the diagnostic string!");
439 Argument = NextVal+1; // Skip this string.
443 // Get the end of the value. This is either the } or the |.
444 const char *EndPtr = ScanFormat(Argument, ArgumentEnd, '|');
446 // Recursively format the result of the select clause into the output string.
447 DInfo.FormatDiagnostic(Argument, EndPtr, OutStr);
450 /// HandleIntegerSModifier - Handle the integer 's' modifier. This adds the
451 /// letter 's' to the string if the value is not 1. This is used in cases like
452 /// this: "you idiot, you have %4 parameter%s4!".
453 static void HandleIntegerSModifier(unsigned ValNo,
454 SmallVectorImpl<char> &OutStr) {
456 OutStr.push_back('s');
459 /// HandleOrdinalModifier - Handle the integer 'ord' modifier. This
460 /// prints the ordinal form of the given integer, with 1 corresponding
461 /// to the first ordinal. Currently this is hard-coded to use the
463 static void HandleOrdinalModifier(unsigned ValNo,
464 SmallVectorImpl<char> &OutStr) {
465 assert(ValNo != 0 && "ValNo must be strictly positive!");
467 llvm::raw_svector_ostream Out(OutStr);
469 // We could use text forms for the first N ordinals, but the numeric
470 // forms are actually nicer in diagnostics because they stand out.
473 // It is critically important that we do this perfectly for
474 // user-written sequences with over 100 elements.
475 switch (ValNo % 100) {
481 switch (ValNo % 10) {
482 case 1: Out << "st"; return;
483 case 2: Out << "nd"; return;
484 case 3: Out << "rd"; return;
485 default: Out << "th"; return;
491 /// PluralNumber - Parse an unsigned integer and advance Start.
492 static unsigned PluralNumber(const char *&Start, const char *End) {
493 // Programming 101: Parse a decimal number :-)
495 while (Start != End && *Start >= '0' && *Start <= '9') {
503 /// TestPluralRange - Test if Val is in the parsed range. Modifies Start.
504 static bool TestPluralRange(unsigned Val, const char *&Start, const char *End) {
506 unsigned Ref = PluralNumber(Start, End);
511 unsigned Low = PluralNumber(Start, End);
512 assert(*Start == ',' && "Bad plural expression syntax: expected ,");
514 unsigned High = PluralNumber(Start, End);
515 assert(*Start == ']' && "Bad plural expression syntax: expected )");
517 return Low <= Val && Val <= High;
520 /// EvalPluralExpr - Actual expression evaluator for HandlePluralModifier.
521 static bool EvalPluralExpr(unsigned ValNo, const char *Start, const char *End) {
531 unsigned Arg = PluralNumber(Start, End);
532 assert(*Start == '=' && "Bad plural expression syntax: expected =");
534 unsigned ValMod = ValNo % Arg;
535 if (TestPluralRange(ValMod, Start, End))
538 assert((C == '[' || (C >= '0' && C <= '9')) &&
539 "Bad plural expression syntax: unexpected character");
541 if (TestPluralRange(ValNo, Start, End))
545 // Scan for next or-expr part.
546 Start = std::find(Start, End, ',');
554 /// HandlePluralModifier - Handle the integer 'plural' modifier. This is used
555 /// for complex plural forms, or in languages where all plurals are complex.
556 /// The syntax is: %plural{cond1:form1|cond2:form2|:form3}, where condn are
557 /// conditions that are tested in order, the form corresponding to the first
558 /// that applies being emitted. The empty condition is always true, making the
559 /// last form a default case.
560 /// Conditions are simple boolean expressions, where n is the number argument.
561 /// Here are the rules.
562 /// condition := expression | empty
563 /// empty := -> always true
564 /// expression := numeric [',' expression] -> logical or
565 /// numeric := range -> true if n in range
566 /// | '%' number '=' range -> true if n % number in range
568 /// | '[' number ',' number ']' -> ranges are inclusive both ends
570 /// Here are some examples from the GNU gettext manual written in this form:
574 /// {0:form2|%100=11,%10=0,%10=[2,9]:form1|:form0}
576 /// {1:form0|2:form1|:form2}
578 /// {1:form0|0,%100=[1,19]:form1|:form2}
580 /// {%10=0,%100=[10,19]:form2|%10=1:form0|:form1}
581 /// Russian (requires repeated form):
582 /// {%100=[11,14]:form2|%10=1:form0|%10=[2,4]:form1|:form2}
584 /// {1:form0|[2,4]:form1|:form2}
585 /// Polish (requires repeated form):
586 /// {1:form0|%100=[10,20]:form2|%10=[2,4]:form1|:form2}
587 static void HandlePluralModifier(const Diagnostic &DInfo, unsigned ValNo,
588 const char *Argument, unsigned ArgumentLen,
589 SmallVectorImpl<char> &OutStr) {
590 const char *ArgumentEnd = Argument + ArgumentLen;
592 assert(Argument < ArgumentEnd && "Plural expression didn't match.");
593 const char *ExprEnd = Argument;
594 while (*ExprEnd != ':') {
595 assert(ExprEnd != ArgumentEnd && "Plural missing expression end");
598 if (EvalPluralExpr(ValNo, Argument, ExprEnd)) {
599 Argument = ExprEnd + 1;
600 ExprEnd = ScanFormat(Argument, ArgumentEnd, '|');
602 // Recursively format the result of the plural clause into the
604 DInfo.FormatDiagnostic(Argument, ExprEnd, OutStr);
607 Argument = ScanFormat(Argument, ArgumentEnd - 1, '|') + 1;
612 /// FormatDiagnostic - Format this diagnostic into a string, substituting the
613 /// formal arguments into the %0 slots. The result is appended onto the Str
616 FormatDiagnostic(SmallVectorImpl<char> &OutStr) const {
617 if (!StoredDiagMessage.empty()) {
618 OutStr.append(StoredDiagMessage.begin(), StoredDiagMessage.end());
623 getDiags()->getDiagnosticIDs()->getDescription(getID());
625 FormatDiagnostic(Diag.begin(), Diag.end(), OutStr);
629 FormatDiagnostic(const char *DiagStr, const char *DiagEnd,
630 SmallVectorImpl<char> &OutStr) const {
632 /// FormattedArgs - Keep track of all of the arguments formatted by
633 /// ConvertArgToString and pass them into subsequent calls to
634 /// ConvertArgToString, allowing the implementation to avoid redundancies in
636 SmallVector<DiagnosticsEngine::ArgumentValue, 8> FormattedArgs;
638 /// QualTypeVals - Pass a vector of arrays so that QualType names can be
639 /// compared to see if more information is needed to be printed.
640 SmallVector<intptr_t, 2> QualTypeVals;
641 for (unsigned i = 0, e = getNumArgs(); i < e; ++i)
642 if (getArgKind(i) == DiagnosticsEngine::ak_qualtype)
643 QualTypeVals.push_back(getRawArg(i));
645 while (DiagStr != DiagEnd) {
646 if (DiagStr[0] != '%') {
647 // Append non-%0 substrings to Str if we have one.
648 const char *StrEnd = std::find(DiagStr, DiagEnd, '%');
649 OutStr.append(DiagStr, StrEnd);
652 } else if (ispunct(DiagStr[1])) {
653 OutStr.push_back(DiagStr[1]); // %% -> %.
661 // This must be a placeholder for a diagnostic argument. The format for a
662 // placeholder is one of "%0", "%modifier0", or "%modifier{arguments}0".
663 // The digit is a number from 0-9 indicating which argument this comes from.
664 // The modifier is a string of digits from the set [-a-z]+, arguments is a
665 // brace enclosed string.
666 const char *Modifier = 0, *Argument = 0;
667 unsigned ModifierLen = 0, ArgumentLen = 0;
669 // Check to see if we have a modifier. If so eat it.
670 if (!isdigit(DiagStr[0])) {
672 while (DiagStr[0] == '-' ||
673 (DiagStr[0] >= 'a' && DiagStr[0] <= 'z'))
675 ModifierLen = DiagStr-Modifier;
677 // If we have an argument, get it next.
678 if (DiagStr[0] == '{') {
679 ++DiagStr; // Skip {.
682 DiagStr = ScanFormat(DiagStr, DiagEnd, '}');
683 assert(DiagStr != DiagEnd && "Mismatched {}'s in diagnostic string!");
684 ArgumentLen = DiagStr-Argument;
685 ++DiagStr; // Skip }.
689 assert(isdigit(*DiagStr) && "Invalid format for argument in diagnostic");
690 unsigned ArgNo = *DiagStr++ - '0';
692 DiagnosticsEngine::ArgumentKind Kind = getArgKind(ArgNo);
696 case DiagnosticsEngine::ak_std_string: {
697 const std::string &S = getArgStdStr(ArgNo);
698 assert(ModifierLen == 0 && "No modifiers for strings yet");
699 OutStr.append(S.begin(), S.end());
702 case DiagnosticsEngine::ak_c_string: {
703 const char *S = getArgCStr(ArgNo);
704 assert(ModifierLen == 0 && "No modifiers for strings yet");
706 // Don't crash if get passed a null pointer by accident.
710 OutStr.append(S, S + strlen(S));
713 // ---- INTEGERS ----
714 case DiagnosticsEngine::ak_sint: {
715 int Val = getArgSInt(ArgNo);
717 if (ModifierIs(Modifier, ModifierLen, "select")) {
718 HandleSelectModifier(*this, (unsigned)Val, Argument, ArgumentLen,
720 } else if (ModifierIs(Modifier, ModifierLen, "s")) {
721 HandleIntegerSModifier(Val, OutStr);
722 } else if (ModifierIs(Modifier, ModifierLen, "plural")) {
723 HandlePluralModifier(*this, (unsigned)Val, Argument, ArgumentLen,
725 } else if (ModifierIs(Modifier, ModifierLen, "ordinal")) {
726 HandleOrdinalModifier((unsigned)Val, OutStr);
728 assert(ModifierLen == 0 && "Unknown integer modifier");
729 llvm::raw_svector_ostream(OutStr) << Val;
733 case DiagnosticsEngine::ak_uint: {
734 unsigned Val = getArgUInt(ArgNo);
736 if (ModifierIs(Modifier, ModifierLen, "select")) {
737 HandleSelectModifier(*this, Val, Argument, ArgumentLen, OutStr);
738 } else if (ModifierIs(Modifier, ModifierLen, "s")) {
739 HandleIntegerSModifier(Val, OutStr);
740 } else if (ModifierIs(Modifier, ModifierLen, "plural")) {
741 HandlePluralModifier(*this, (unsigned)Val, Argument, ArgumentLen,
743 } else if (ModifierIs(Modifier, ModifierLen, "ordinal")) {
744 HandleOrdinalModifier(Val, OutStr);
746 assert(ModifierLen == 0 && "Unknown integer modifier");
747 llvm::raw_svector_ostream(OutStr) << Val;
751 // ---- NAMES and TYPES ----
752 case DiagnosticsEngine::ak_identifierinfo: {
753 const IdentifierInfo *II = getArgIdentifier(ArgNo);
754 assert(ModifierLen == 0 && "No modifiers for strings yet");
756 // Don't crash if get passed a null pointer by accident.
758 const char *S = "(null)";
759 OutStr.append(S, S + strlen(S));
763 llvm::raw_svector_ostream(OutStr) << '\'' << II->getName() << '\'';
766 case DiagnosticsEngine::ak_qualtype:
767 case DiagnosticsEngine::ak_declarationname:
768 case DiagnosticsEngine::ak_nameddecl:
769 case DiagnosticsEngine::ak_nestednamespec:
770 case DiagnosticsEngine::ak_declcontext:
771 getDiags()->ConvertArgToString(Kind, getRawArg(ArgNo),
772 Modifier, ModifierLen,
773 Argument, ArgumentLen,
774 FormattedArgs.data(), FormattedArgs.size(),
775 OutStr, QualTypeVals);
779 // Remember this argument info for subsequent formatting operations. Turn
780 // std::strings into a null terminated string to make it be the same case as
781 // all the other ones.
782 if (Kind != DiagnosticsEngine::ak_std_string)
783 FormattedArgs.push_back(std::make_pair(Kind, getRawArg(ArgNo)));
785 FormattedArgs.push_back(std::make_pair(DiagnosticsEngine::ak_c_string,
786 (intptr_t)getArgStdStr(ArgNo).c_str()));
791 StoredDiagnostic::StoredDiagnostic() { }
793 StoredDiagnostic::StoredDiagnostic(DiagnosticsEngine::Level Level, unsigned ID,
795 : ID(ID), Level(Level), Loc(), Message(Message) { }
797 StoredDiagnostic::StoredDiagnostic(DiagnosticsEngine::Level Level,
798 const Diagnostic &Info)
799 : ID(Info.getID()), Level(Level)
801 assert((Info.getLocation().isInvalid() || Info.hasSourceManager()) &&
802 "Valid source location without setting a source manager for diagnostic");
803 if (Info.getLocation().isValid())
804 Loc = FullSourceLoc(Info.getLocation(), Info.getSourceManager());
805 llvm::SmallString<64> Message;
806 Info.FormatDiagnostic(Message);
807 this->Message.assign(Message.begin(), Message.end());
809 Ranges.reserve(Info.getNumRanges());
810 for (unsigned I = 0, N = Info.getNumRanges(); I != N; ++I)
811 Ranges.push_back(Info.getRange(I));
813 FixIts.reserve(Info.getNumFixItHints());
814 for (unsigned I = 0, N = Info.getNumFixItHints(); I != N; ++I)
815 FixIts.push_back(Info.getFixItHint(I));
818 StoredDiagnostic::StoredDiagnostic(DiagnosticsEngine::Level Level, unsigned ID,
819 StringRef Message, FullSourceLoc Loc,
820 ArrayRef<CharSourceRange> Ranges,
821 ArrayRef<FixItHint> Fixits)
822 : ID(ID), Level(Level), Loc(Loc), Message(Message)
824 this->Ranges.assign(Ranges.begin(), Ranges.end());
825 this->FixIts.assign(FixIts.begin(), FixIts.end());
828 StoredDiagnostic::~StoredDiagnostic() { }
830 /// IncludeInDiagnosticCounts - This method (whose default implementation
831 /// returns true) indicates whether the diagnostics handled by this
832 /// DiagnosticConsumer should be included in the number of diagnostics
833 /// reported by DiagnosticsEngine.
834 bool DiagnosticConsumer::IncludeInDiagnosticCounts() const { return true; }
836 PartialDiagnostic::StorageAllocator::StorageAllocator() {
837 for (unsigned I = 0; I != NumCached; ++I)
838 FreeList[I] = Cached + I;
839 NumFreeListEntries = NumCached;
842 PartialDiagnostic::StorageAllocator::~StorageAllocator() {
843 // Don't assert if we are in a CrashRecovery context, as this
844 // invariant may be invalidated during a crash.
845 assert((NumFreeListEntries == NumCached || llvm::CrashRecoveryContext::isRecoveringFromCrash()) && "A partial is on the lamb");