14 #ifndef LLVM_CLANG_BASIC_DIAGNOSTIC_H 15 #define LLVM_CLANG_BASIC_DIAGNOSTIC_H 21 #include "llvm/ADT/ArrayRef.h" 22 #include "llvm/ADT/DenseMap.h" 23 #include "llvm/ADT/IntrusiveRefCntPtr.h" 24 #include "llvm/ADT/SmallVector.h" 25 #include "llvm/ADT/StringRef.h" 26 #include "llvm/ADT/iterator_range.h" 27 #include "llvm/Support/Compiler.h" 28 #include "llvm/Support/Error.h" 36 #include <type_traits> 43 class DiagnosticBuilder;
44 class DiagnosticConsumer;
49 class StoredDiagnostic;
80 bool BeforePreviousInsertions =
false;
94 bool BeforePreviousInsertions =
false) {
107 bool BeforePreviousInsertions =
false) {
211 unsigned char AllExtensionsSilenced = 0;
214 bool FatalsAsError =
false;
217 bool SuppressAllDiagnostics =
false;
220 bool ElideType =
true;
223 bool PrintTemplateTree =
false;
226 bool ShowColors =
false;
232 unsigned ErrorLimit = 0;
235 unsigned TemplateBacktraceLimit = 0;
238 unsigned ConstexprBacktraceLimit = 0;
243 std::unique_ptr<DiagnosticConsumer> Owner;
258 llvm::DenseMap<unsigned, DiagnosticMapping> DiagMap;
264 unsigned IgnoreAllWarnings : 1;
267 unsigned EnableAllWarnings : 1;
270 unsigned WarningsAsErrors : 1;
273 unsigned ErrorsAsFatal : 1;
276 unsigned SuppressSystemWarnings : 1;
282 : IgnoreAllWarnings(
false), EnableAllWarnings(
false),
283 WarningsAsErrors(
false), ErrorsAsFatal(
false),
284 SuppressSystemWarnings(
false) {}
286 using iterator = llvm::DenseMap<unsigned, DiagnosticMapping>::iterator;
287 using const_iterator =
288 llvm::DenseMap<unsigned, DiagnosticMapping>::const_iterator;
291 DiagMap[
Diag] = Info;
295 return DiagMap.lookup(Diag);
300 const_iterator begin()
const {
return DiagMap.begin(); }
301 const_iterator end()
const {
return DiagMap.end(); }
305 std::list<DiagState> DiagStates;
312 void appendFirst(DiagState *
State);
321 bool empty()
const {
return Files.empty(); }
326 FirstDiagState = CurDiagState =
nullptr;
332 StringRef DiagName = StringRef())
const;
335 DiagState *getCurDiagState()
const {
return CurDiagState; }
338 SourceLocation getCurDiagStateLoc()
const {
return CurDiagStateLoc; }
349 struct DiagStatePoint {
353 DiagStatePoint(DiagState *State,
unsigned Offset)
366 unsigned ParentOffset = 0;
370 bool HasLocalTransitions =
false;
376 DiagState *lookup(
unsigned Offset)
const;
380 mutable std::map<FileID, File> Files;
383 DiagState *FirstDiagState;
386 DiagState *CurDiagState;
395 DiagStateMap DiagStatesByLoc;
399 std::vector<DiagState *> DiagStateOnPushStack;
401 DiagState *GetCurDiagState()
const {
402 return DiagStatesByLoc.getCurDiagState();
410 return SourceMgr ? DiagStatesByLoc.lookup(*SourceMgr, Loc)
411 : DiagStatesByLoc.getCurDiagState();
419 bool UncompilableErrorOccurred;
422 bool FatalErrorOccurred;
425 bool UnrecoverableErrorOccurred;
429 unsigned TrapNumErrorsOccurred;
430 unsigned TrapNumUnrecoverableErrorsOccurred;
439 unsigned NumWarnings;
454 using ArgToStringFnTy = void (*)(
456 StringRef
Modifier, StringRef Argument,
462 void *ArgToStringCookie =
nullptr;
463 ArgToStringFnTy ArgToStringFn;
468 unsigned DelayedDiagID;
471 std::string DelayedDiagArg1;
474 std::string DelayedDiagArg2;
481 std::string FlagValue;
487 bool ShouldOwnClient =
true);
492 LLVM_DUMP_METHOD
void dump()
const;
493 LLVM_DUMP_METHOD
void dump(StringRef DiagName)
const;
506 const DiagState &DS = *GetCurDiagState();
518 std::unique_ptr<DiagnosticConsumer>
takeClient() {
return std::move(Owner); }
523 assert(SourceMgr &&
"SourceManager not set!");
528 assert(DiagStatesByLoc.empty() &&
529 "Leftover diag state from a different SourceManager.");
564 TemplateBacktraceLimit = Limit;
570 return TemplateBacktraceLimit;
576 ConstexprBacktraceLimit = Limit;
582 return ConstexprBacktraceLimit;
589 GetCurDiagState()->IgnoreAllWarnings = Val;
592 return GetCurDiagState()->IgnoreAllWarnings;
600 GetCurDiagState()->EnableAllWarnings = Val;
603 return GetCurDiagState()->EnableAllWarnings;
608 GetCurDiagState()->WarningsAsErrors = Val;
611 return GetCurDiagState()->WarningsAsErrors;
626 GetCurDiagState()->SuppressSystemWarnings = Val;
629 return GetCurDiagState()->SuppressSystemWarnings;
636 SuppressAllDiagnostics = Val;
672 FatalErrorOccurred =
true;
688 GetCurDiagState()->ExtBehavior = H;
691 return GetCurDiagState()->ExtBehavior;
732 bool setDiagnosticGroupWarningAsError(StringRef Group,
bool Enabled);
739 bool setDiagnosticGroupErrorAsFatal(StringRef Group,
bool Enabled);
754 return UncompilableErrorOccurred;
760 return FatalErrorOccurred || UnrecoverableErrorOccurred;
766 this->NumWarnings = NumWarnings;
777 template <
unsigned N>
780 StringRef(FormatString, N - 1));
786 StringRef Modifier, StringRef Argument,
790 ArgToStringFn(Kind, Val, Modifier, Argument, PrevArgs, Output,
791 ArgToStringCookie, QualTypeVals);
796 ArgToStringCookie = Cookie;
802 LastDiagLevel = Other.LastDiagLevel;
822 return Diags->getDiagnosticSeverity(DiagID, Loc, *
this) ==
837 return (
Level)Diags->getDiagnosticLevel(DiagID, Loc, *
this);
879 void SetDelayedDiagnostic(
unsigned DiagID, StringRef Arg1 =
"",
880 StringRef Arg2 =
"");
902 void ReportDelayed();
923 signed char NumDiagArgs;
930 unsigned char DiagArgumentsKind[MaxArguments];
936 std::string DiagArgumentsStr[MaxArguments];
943 intptr_t DiagArgumentsVal[MaxArguments];
971 return Diags->ProcessDiag(*
this);
989 bool EmitCurrentDiagnostic(
bool Force =
false);
1004 unsigned NumUnrecoverableErrors;
1008 : Diag(Diag) { reset(); }
1013 return Diag.TrapNumErrorsOccurred > NumErrors;
1019 return Diag.TrapNumUnrecoverableErrorsOccurred > NumUnrecoverableErrors;
1024 NumErrors = Diag.TrapNumErrorsOccurred;
1025 NumUnrecoverableErrors = Diag.TrapNumUnrecoverableErrorsOccurred;
1050 mutable unsigned NumArgs = 0;
1057 mutable bool IsActive =
false;
1061 mutable bool IsForceEmit =
false;
1066 : DiagObj(diagObj), IsActive(
true) {
1067 assert(diagObj &&
"DiagnosticBuilder requires a valid DiagnosticsEngine!");
1068 diagObj->DiagRanges.clear();
1069 diagObj->DiagFixItHints.clear();
1074 DiagObj->NumDiagArgs = NumArgs;
1081 IsForceEmit =
false;
1097 if (!isActive())
return false;
1116 DiagObj = D.DiagObj;
1117 IsActive = D.IsActive;
1118 IsForceEmit = D.IsForceEmit;
1120 NumArgs = D.NumArgs;
1148 operator bool()
const {
return true; }
1151 assert(isActive() &&
"Clients must not add to cleared diagnostic!");
1152 assert(NumArgs < DiagnosticsEngine::MaxArguments &&
1153 "Too many arguments to diagnostic!");
1155 DiagObj->DiagArgumentsStr[NumArgs++] = S;
1159 assert(isActive() &&
"Clients must not add to cleared diagnostic!");
1160 assert(NumArgs < DiagnosticsEngine::MaxArguments &&
1161 "Too many arguments to diagnostic!");
1162 DiagObj->DiagArgumentsKind[NumArgs] =
Kind;
1163 DiagObj->DiagArgumentsVal[NumArgs++] =
V;
1167 assert(isActive() &&
"Clients must not add to cleared diagnostic!");
1168 DiagObj->DiagRanges.push_back(R);
1172 assert(isActive() &&
"Clients must not add to cleared diagnostic!");
1174 DiagObj->DiagFixItHints.push_back(Hint);
1216 template <
typename T>
1218 typename std::enable_if<std::is_same<T, bool>::value,
1248 template <
typename T>
1249 inline typename std::enable_if<
1300 "Multiple diagnostics in flight at once!");
1326 StringRef StoredDiagMessage;
1331 : DiagObj(DO), StoredDiagMessage(storedDiagMessage) {}
1334 unsigned getID()
const {
return DiagObj->CurDiagID; }
1348 assert(Idx < getNumArgs() &&
"Argument index out of range!");
1356 "invalid argument accessor!");
1357 return DiagObj->DiagArgumentsStr[Idx];
1364 "invalid argument accessor!");
1365 return reinterpret_cast<const char*
>(DiagObj->DiagArgumentsVal[Idx]);
1372 "invalid argument accessor!");
1373 return (
int)DiagObj->DiagArgumentsVal[Idx];
1380 "invalid argument accessor!");
1381 return (
unsigned)DiagObj->DiagArgumentsVal[Idx];
1388 "invalid argument accessor!");
1389 return reinterpret_cast<IdentifierInfo*
>(DiagObj->DiagArgumentsVal[Idx]);
1396 "invalid argument accessor!");
1397 return DiagObj->DiagArgumentsVal[Idx];
1402 return DiagObj->DiagRanges.size();
1407 assert(Idx < getNumRanges() &&
"Invalid diagnostic range index!");
1408 return DiagObj->DiagRanges[Idx];
1413 return DiagObj->DiagRanges;
1417 return DiagObj->DiagFixItHints.size();
1421 assert(Idx < getNumFixItHints() &&
"Invalid index!");
1422 return DiagObj->DiagFixItHints[Idx];
1426 return DiagObj->DiagFixItHints;
1437 void FormatDiagnostic(
const char *DiagStr,
const char *DiagEnd,
1449 std::string Message;
1450 std::vector<CharSourceRange> Ranges;
1451 std::vector<FixItHint> FixIts;
1464 explicit operator bool()
const {
return !Message.empty(); }
1480 return llvm::makeArrayRef(Ranges);
1490 return llvm::makeArrayRef(FixIts);
1498 unsigned NumWarnings = 0;
1499 unsigned NumErrors = 0;
1507 virtual void clear() { NumWarnings = NumErrors = 0; }
1539 virtual bool IncludeInDiagnosticCounts()
const;
1552 virtual void anchor();
1572 void clear()
override;
1574 bool IncludeInDiagnosticCounts()
const override;
1598 bool ReportDiags =
true);
1602 #endif // LLVM_CLANG_BASIC_DIAGNOSTIC_H
const internal::VariadicAllOfMatcher< Type > type
Matches Types in the clang AST.
unsigned getTemplateBacktraceLimit() const
Retrieve the maximum number of template instantiation notes to emit along with a given diagnostic...
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.
static FixItHint CreateRemoval(SourceRange RemoveRange)
bool hasErrorOccurred() const
DiagnosticConsumer * getClient()
unsigned fixit_size() const
fixit_iterator fixit_end() const
void setShowColors(bool Val=false)
Set color printing, so the type diffing will inject color markers into the output.
void AddFixItHint(const FixItHint &Hint) const
SourceManager & getSourceManager() const
bool getEnableAllWarnings() const
bool getFatalsAsError() const
range_iterator range_begin() const
static CharSourceRange getTokenRange(SourceRange R)
void setShowOverloads(OverloadsShown Val)
Specify which overload candidates to show when overload resolution fails.
~DiagnosticBuilder()
Emits the diagnostic.
Represents a diagnostic in a form that can be retained until its corresponding source manager is dest...
const DiagnosticBuilder & operator<<(const DiagnosticBuilder &DB, const Attr *At)
std::string CodeToInsert
The actual code to insert at the insertion location, as a string.
const DiagnosticBuilder & setForceEmit() const
Forces the diagnostic to be emitted.
DiagnosticBuilder Report(SourceLocation Loc, unsigned DiagID)
Issue the message to the client.
static FixItHint CreateInsertionFromRange(SourceLocation InsertionLoc, CharSourceRange FromRange, bool BeforePreviousInsertions=false)
Create a code modification hint that inserts the given code from FromRange at a specific location...
DiagnosticsEngine::ArgumentKind getArgKind(unsigned Idx) const
Return the kind of the specified index.
unsigned range_size() const
range_iterator range_end() const
bool getSuppressSystemWarnings() const
std::unique_ptr< DiagnosticConsumer > takeClient()
Return the current diagnostic client along with ownership of that client.
diag::Severity getExtensionHandlingBehavior() const
const std::string & getArgStdStr(unsigned Idx) const
Return the provided argument string specified by Idx.
virtual void EndSourceFile()
Callback to inform the diagnostic client that processing of a source file has ended.
Severity
Enum values that allow the client to map NOTEs, WARNINGs, and EXTENSIONs to either Ignore (nothing)...
Abstract interface, implemented by clients of the front-end, which formats and prints fully processed...
RAII class that determines when any errors have occurred between the time the instance was created an...
void setTemplateBacktraceLimit(unsigned Limit)
Specify the maximum number of template instantiation notes to emit along with a given diagnostic...
bool hasSourceManager() const
const DiagnosticsEngine * getDiags() const
void AddTaggedVal(intptr_t V, DiagnosticsEngine::ArgumentKind Kind) const
One of these records is kept for each identifier that is lexed.
unsigned getCurrentDiagID() const
const DiagnosticConsumer * getClient() const
static std::string toString(const clang::SanitizerSet &Sanitizers)
Produce a string containing comma-separated names of sanitizers in Sanitizers set.
void IncrementAllExtensionsSilenced()
Counter bumped when an extension block is/ encountered.
unsigned getNumErrors() const
const FixItHint & getFixItHint(unsigned Idx) const
void setExtensionHandlingBehavior(diag::Severity H)
Controls whether otherwise-unmapped extension diagnostics are mapped onto ignore/warning/error.
ForwardingDiagnosticConsumer(DiagnosticConsumer &Target)
__DEVICE__ int max(int __a, int __b)
Keeps track of the various options that can be enabled, which controls the dialect of C or C++ that i...
static DiagnosticBuilder getEmpty()
Retrieve an empty diagnostic builder.
void setPrintTemplateTree(bool Val=false)
Set tree printing, to outputting the template difference in a tree format.
void setSourceManager(SourceManager *SrcMgr)
unsigned getArgUInt(unsigned Idx) const
Return the specified unsigned integer argument.
bool isActive() const
Determine whether this diagnostic is still active.
StringRef getFlagValue() const
Return the value associated with this diagnostic flag.
const SourceLocation & getLocation() const
static void dump(llvm::raw_ostream &OS, StringRef FunctionName, ArrayRef< CounterExpression > Expressions, ArrayRef< CounterMappingRegion > Regions)
Concrete class used by the front-end to report problems and issues.
bool hasUnrecoverableErrorOccurred() const
Determine whether any kind of unrecoverable error has occurred.
bool hasAllExtensionsSilenced()
bool isDiagnosticInFlight() const
Determine whethere there is already a diagnostic in flight.
intptr_t getRawArg(unsigned Idx) const
Return the specified non-string argument in an opaque form.
ArrayRef< CharSourceRange > getRanges() const
DiagnosticBuilder(const DiagnosticBuilder &D)
Copy constructor.
SourceLocation getCurrentDiagLoc() const
StringRef getMessage() const
Diagnostic(const DiagnosticsEngine *DO, StringRef storedDiagMessage)
void setFatalsAsError(bool Val)
When set to true, any fatal error reported is made an error.
bool EmitCurrentDiagnostic(bool Force=false)
Emit the current diagnostic and clear the diagnostic state.
Sema - This implements semantic analysis and AST building for C.
A little helper class used to produce diagnostics.
Represents a character-granular source range.
DiagnosticsEngine::Level getLevel() const
DiagnosticErrorTrap(DiagnosticsEngine &Diag)
bool hasUncompilableErrorOccurred() const
Errors that actually prevent compilation, not those that are upgraded from a warning by -Werror...
unsigned getNumRanges() const
Return the number of source ranges associated with this diagnostic.
ArrayRef< FixItHint > getFixIts() const
void addFlagValue(StringRef V) const
const char * getArgCStr(unsigned Idx) const
Return the specified C string argument.
void setElideType(bool Val=true)
Set type eliding, to skip outputting same types occurring in template types.
unsigned TemplateDiffUsed
const IdentifierInfo * getArgIdentifier(unsigned Idx) const
Return the specified IdentifierInfo argument.
AddFlagValue(StringRef V)
void Clear()
Clear out the current diagnostic.
bool BeforePreviousInsertions
void setEnableAllWarnings(bool Val)
When set to true, any unmapped ignored warnings are no longer ignored.
fixit_iterator fixit_begin() const
OverloadsShown getShowOverloads() const
CharSourceRange InsertFromRange
Code in the specific range that should be inserted in the insertion location.
unsigned getNumWarnings() const
static CharSourceRange getCharRange(SourceRange R)
CharSourceRange RemoveRange
Code that should be replaced to correct the error.
void AddSourceRange(const CharSourceRange &R) const
__INTPTR_TYPE__ intptr_t
A signed integer type with the property that any valid pointer to void can be converted to this type...
void Clear() const
Clear out the current diagnostic.
const CharSourceRange & getRange(unsigned Idx) const
void setSuppressSystemWarnings(bool Val)
When set to true mask warnings that come from system headers.
Encodes a location in the source.
bool hasErrorOccurred() const
Determine whether any errors have occurred since this object instance was created.
bool isLastDiagnosticIgnored() const
Determine whether the previous diagnostic was ignored.
std::pair< NullabilityKind, bool > DiagNullabilityKind
A nullability kind paired with a bit indicating whether it used a context-sensitive keyword...
unsigned getNumWarnings() const
Options for controlling the compiler diagnostics engine.
diag_mapping_range getDiagnosticMappings() const
Get the current set of diagnostic mappings.
virtual void finish()
Callback to inform the diagnostic client that processing of all source files has ended.
bool getPrintTemplateTree()
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.
const char ToggleHighlight
Special character that the diagnostic printer will use to toggle the bold attribute.
Diagnostic consumer that forwards diagnostics along to an existing, already-initialized diagnostic co...
void ProcessWarningOptions(DiagnosticsEngine &Diags, const DiagnosticOptions &Opts, bool ReportDiags=true)
ProcessWarningOptions - Initialize the diagnostic client and process the warning options specified on...
void reset()
Set to initial state of "no errors occurred".
void AddString(StringRef S) const
OpenMPLinearClauseKind Modifier
Modifier of 'linear' clause.
TokenKind
Provides a simple uniform namespace for tokens from all C languages.
void SetArgToStringFn(ArgToStringFnTy Fn, void *Cookie)
std::pair< ArgumentKind, intptr_t > ArgumentValue
Represents on argument value, which is a union discriminated by ArgumentKind, with a value...
void setNoErrorAsFatal(bool Value)
Flavor
Flavors of diagnostics we can emit.
SourceManager & getSourceManager() const
unsigned getCustomDiagID(Level L, const char(&FormatString)[N])
Return an ID for a diagnostic with the specified format string and level.
void setNumWarnings(unsigned NumWarnings)
static DiagnosticMapping Make(diag::Severity Severity, bool IsUser, bool IsPragma)
void setLastDiagnosticIgnored(bool Ignored=true)
Pretend that the last diagnostic issued was ignored, so any subsequent notes will be suppressed...
bool getIgnoreAllWarnings() const
Defines various enumerations that describe declaration and type specifiers.
void setErrorLimit(unsigned Limit)
Specify a limit for the number of errors we should emit before giving up.
void setIgnoreAllWarnings(bool Val)
When set to true, any unmapped warnings are ignored.
std::vector< FixItHint >::const_iterator fixit_iterator
An opaque identifier used by SourceManager which refers to a source file (MemoryBuffer) along with it...
Dataflow Directional Tag Classes.
A diagnostic client that ignores all diagnostics.
Level getDiagnosticLevel(unsigned DiagID, SourceLocation Loc) const
Based on the way the client configured the DiagnosticsEngine object, classify the specified diagnosti...
bool isValid() const
Return true if this is a valid SourceLocation object.
DeclContext - This is used only as base class of specific decl types that can act as declaration cont...
Reads an AST files chain containing the contents of a translation unit.
const FullSourceLoc & getLocation() const
static FixItHint CreateRemoval(CharSourceRange RemoveRange)
Create a code modification hint that removes the given source range.
Level
The level of the diagnostic, after it has been through mapping.
Used for handling and querying diagnostic IDs.
bool hasUnrecoverableErrorOccurred() const
Determine whether any unrecoverable errors have occurred since this object instance was created...
DiagnosticOptions & getDiagnosticOptions() const
Retrieve the diagnostic options.
void setErrorsAsFatal(bool Val)
When set to true, any error reported is made a fatal error.
void setWarningsAsErrors(bool Val)
When set to true, any warnings reported are issued as errors.
unsigned getNumFixItHints() const
void setConstexprBacktraceLimit(unsigned Limit)
Specify the maximum number of constexpr evaluation notes to emit along with a given diagnostic...
static FixItHint CreateInsertion(SourceLocation InsertionLoc, StringRef Code, bool BeforePreviousInsertions=false)
Create a code modification hint that inserts the given code string at a specific location.
Diagnostic(const DiagnosticsEngine *DO)
unsigned getConstexprBacktraceLimit() const
Retrieve the maximum number of constexpr evaluation notes to emit along with a given diagnostic...
bool hasFatalErrorOccurred() const
llvm::iterator_range< DiagState::const_iterator > diag_mapping_range
void DecrementAllExtensionsSilenced()
int getArgSInt(unsigned Idx) const
Return the specified signed integer argument.
const IntrusiveRefCntPtr< DiagnosticIDs > & getDiagnosticIDs() const
void setSuppressAllDiagnostics(bool Val=true)
Suppress all diagnostics, to silence the front end when we know that we don't want any more diagnosti...
static FixItHint CreateReplacement(SourceRange RemoveRange, StringRef Code)
Defines the clang::SourceLocation class and associated facilities.
ArrayRef< CharSourceRange > getRanges() const
Return an array reference for this diagnostic's ranges.
ArrayRef< FixItHint > getFixItHints() const
OverloadsShown
Specifies which overload candidates to display when overload resolution fails.
Level
The level of the diagnostic, after it has been through mapping.
Do not present this diagnostic, ignore it.
bool hasSourceManager() const
unsigned kind
All of the diagnostics that can be emitted by the frontend.
static FixItHint CreateReplacement(CharSourceRange RemoveRange, StringRef Code)
Create a code modification hint that replaces the given source range with the given code string...
Writes an AST file containing the contents of a translation unit.
unsigned getNumArgs() const
A little helper class (which is basically a smart pointer that forwards info from DiagnosticsEngine) ...
A SourceLocation and its associated SourceManager.
Defines the Diagnostic IDs-related interfaces.
bool getErrorsAsFatal() const
bool isIgnored(unsigned DiagID, SourceLocation Loc) const
Determine whether the diagnostic is known to be ignored.
Annotates a diagnostic with some code that should be inserted, removed, or replaced to fix the proble...
void setNoWarningAsError(bool Value)
bool getWarningsAsErrors() const
bool Emit()
Force the diagnostic builder to emit the diagnostic now.
A trivial tuple used to represent a source range.
void setLocation(FullSourceLoc Loc)
virtual void BeginSourceFile(const LangOptions &LangOpts, const Preprocessor *PP=nullptr)
Callback to inform the diagnostic client that processing of a source file is beginning.
std::vector< CharSourceRange >::const_iterator range_iterator
This class handles loading and caching of source files into memory.
bool getSuppressAllDiagnostics() const
Engages in a tight little dance with the lexer to efficiently preprocess tokens.
bool ownsClient() const
Determine whether this DiagnosticsEngine object own its client.
enum TokenKind : unsigned
void notePriorDiagnosticFrom(const DiagnosticsEngine &Other)
Note that the prior diagnostic was emitted by some other DiagnosticsEngine, and we may be attaching a...