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) {
214 unsigned char AllExtensionsSilenced = 0;
217 bool FatalsAsError =
false;
220 bool SuppressAllDiagnostics =
false;
223 bool ElideType =
true;
226 bool PrintTemplateTree =
false;
229 bool ShowColors =
false;
235 unsigned ErrorLimit = 0;
238 unsigned TemplateBacktraceLimit = 0;
241 unsigned ConstexprBacktraceLimit = 0;
246 std::unique_ptr<DiagnosticConsumer> Owner;
261 llvm::DenseMap<unsigned, DiagnosticMapping> DiagMap;
267 unsigned IgnoreAllWarnings : 1;
270 unsigned EnableAllWarnings : 1;
273 unsigned WarningsAsErrors : 1;
276 unsigned ErrorsAsFatal : 1;
279 unsigned SuppressSystemWarnings : 1;
285 : IgnoreAllWarnings(
false), EnableAllWarnings(
false),
286 WarningsAsErrors(
false), ErrorsAsFatal(
false),
287 SuppressSystemWarnings(
false) {}
289 using iterator = llvm::DenseMap<unsigned, DiagnosticMapping>::iterator;
290 using const_iterator =
291 llvm::DenseMap<unsigned, DiagnosticMapping>::const_iterator;
294 DiagMap[
Diag] = Info;
298 return DiagMap.lookup(Diag);
303 const_iterator begin()
const {
return DiagMap.begin(); }
304 const_iterator end()
const {
return DiagMap.end(); }
308 std::list<DiagState> DiagStates;
315 void appendFirst(DiagState *
State);
324 bool empty()
const {
return Files.empty(); }
329 FirstDiagState = CurDiagState =
nullptr;
335 StringRef DiagName = StringRef())
const;
338 DiagState *getCurDiagState()
const {
return CurDiagState; }
341 SourceLocation getCurDiagStateLoc()
const {
return CurDiagStateLoc; }
352 struct DiagStatePoint {
356 DiagStatePoint(DiagState *State,
unsigned Offset)
369 unsigned ParentOffset = 0;
373 bool HasLocalTransitions =
false;
379 DiagState *lookup(
unsigned Offset)
const;
383 mutable std::map<FileID, File> Files;
386 DiagState *FirstDiagState;
389 DiagState *CurDiagState;
398 DiagStateMap DiagStatesByLoc;
402 std::vector<DiagState *> DiagStateOnPushStack;
404 DiagState *GetCurDiagState()
const {
405 return DiagStatesByLoc.getCurDiagState();
413 return SourceMgr ? DiagStatesByLoc.lookup(*SourceMgr, Loc)
414 : DiagStatesByLoc.getCurDiagState();
422 bool UncompilableErrorOccurred;
425 bool FatalErrorOccurred;
428 bool UnrecoverableErrorOccurred;
432 unsigned TrapNumErrorsOccurred;
433 unsigned TrapNumUnrecoverableErrorsOccurred;
442 unsigned NumWarnings;
457 using ArgToStringFnTy = void (*)(
459 StringRef
Modifier, StringRef Argument,
465 void *ArgToStringCookie =
nullptr;
466 ArgToStringFnTy ArgToStringFn;
471 unsigned DelayedDiagID;
474 std::string DelayedDiagArg1;
477 std::string DelayedDiagArg2;
480 std::string DelayedDiagArg3;
487 std::string FlagValue;
493 bool ShouldOwnClient =
true);
498 LLVM_DUMP_METHOD
void dump()
const;
499 LLVM_DUMP_METHOD
void dump(StringRef DiagName)
const;
512 const DiagState &DS = *GetCurDiagState();
524 std::unique_ptr<DiagnosticConsumer>
takeClient() {
return std::move(Owner); }
529 assert(SourceMgr &&
"SourceManager not set!");
534 assert(DiagStatesByLoc.empty() &&
535 "Leftover diag state from a different SourceManager.");
570 TemplateBacktraceLimit = Limit;
576 return TemplateBacktraceLimit;
582 ConstexprBacktraceLimit = Limit;
588 return ConstexprBacktraceLimit;
595 GetCurDiagState()->IgnoreAllWarnings = Val;
598 return GetCurDiagState()->IgnoreAllWarnings;
606 GetCurDiagState()->EnableAllWarnings = Val;
609 return GetCurDiagState()->EnableAllWarnings;
614 GetCurDiagState()->WarningsAsErrors = Val;
617 return GetCurDiagState()->WarningsAsErrors;
632 GetCurDiagState()->SuppressSystemWarnings = Val;
635 return GetCurDiagState()->SuppressSystemWarnings;
676 FatalErrorOccurred =
true;
692 GetCurDiagState()->ExtBehavior = H;
695 return GetCurDiagState()->ExtBehavior;
736 bool setDiagnosticGroupWarningAsError(StringRef Group,
bool Enabled);
743 bool setDiagnosticGroupErrorAsFatal(StringRef Group,
bool Enabled);
758 return UncompilableErrorOccurred;
764 return FatalErrorOccurred || UnrecoverableErrorOccurred;
770 this->NumWarnings = NumWarnings;
781 template <
unsigned N>
784 StringRef(FormatString, N - 1));
790 StringRef Modifier, StringRef Argument,
794 ArgToStringFn(Kind, Val, Modifier, Argument, PrevArgs, Output,
795 ArgToStringCookie, QualTypeVals);
800 ArgToStringCookie = Cookie;
806 LastDiagLevel = Other.LastDiagLevel;
826 return Diags->getDiagnosticSeverity(DiagID, Loc, *
this) ==
841 return (
Level)Diags->getDiagnosticLevel(DiagID, Loc, *
this);
887 void SetDelayedDiagnostic(
unsigned DiagID, StringRef Arg1 =
"",
888 StringRef Arg2 =
"", StringRef Arg3 =
"");
910 void ReportDelayed();
931 signed char NumDiagArgs;
938 unsigned char DiagArgumentsKind[MaxArguments];
944 std::string DiagArgumentsStr[MaxArguments];
951 intptr_t DiagArgumentsVal[MaxArguments];
979 return Diags->ProcessDiag(*
this);
997 bool EmitCurrentDiagnostic(
bool Force =
false);
1012 unsigned NumUnrecoverableErrors;
1016 : Diag(Diag) { reset(); }
1021 return Diag.TrapNumErrorsOccurred > NumErrors;
1027 return Diag.TrapNumUnrecoverableErrorsOccurred > NumUnrecoverableErrors;
1032 NumErrors = Diag.TrapNumErrorsOccurred;
1033 NumUnrecoverableErrors = Diag.TrapNumUnrecoverableErrorsOccurred;
1058 mutable unsigned NumArgs = 0;
1065 mutable bool IsActive =
false;
1069 mutable bool IsForceEmit =
false;
1074 : DiagObj(diagObj), IsActive(
true) {
1075 assert(diagObj &&
"DiagnosticBuilder requires a valid DiagnosticsEngine!");
1076 diagObj->DiagRanges.clear();
1077 diagObj->DiagFixItHints.clear();
1082 DiagObj->NumDiagArgs = NumArgs;
1089 IsForceEmit =
false;
1105 if (!isActive())
return false;
1124 DiagObj = D.DiagObj;
1125 IsActive = D.IsActive;
1126 IsForceEmit = D.IsForceEmit;
1128 NumArgs = D.NumArgs;
1151 operator bool()
const {
return true; }
1154 assert(isActive() &&
"Clients must not add to cleared diagnostic!");
1155 assert(NumArgs < DiagnosticsEngine::MaxArguments &&
1156 "Too many arguments to diagnostic!");
1158 DiagObj->DiagArgumentsStr[NumArgs++] = S;
1162 assert(isActive() &&
"Clients must not add to cleared diagnostic!");
1163 assert(NumArgs < DiagnosticsEngine::MaxArguments &&
1164 "Too many arguments to diagnostic!");
1165 DiagObj->DiagArgumentsKind[NumArgs] =
Kind;
1166 DiagObj->DiagArgumentsVal[NumArgs++] =
V;
1170 assert(isActive() &&
"Clients must not add to cleared diagnostic!");
1171 DiagObj->DiagRanges.push_back(R);
1175 assert(isActive() &&
"Clients must not add to cleared diagnostic!");
1177 DiagObj->DiagFixItHints.push_back(Hint);
1219 template <
typename T>
1221 typename std::enable_if<std::is_same<T, bool>::value,
1251 template <
typename T>
1252 inline typename std::enable_if<
1303 "Multiple diagnostics in flight at once!");
1329 StringRef StoredDiagMessage;
1334 : DiagObj(DO), StoredDiagMessage(storedDiagMessage) {}
1337 unsigned getID()
const {
return DiagObj->CurDiagID; }
1351 assert(Idx < getNumArgs() &&
"Argument index out of range!");
1359 "invalid argument accessor!");
1360 return DiagObj->DiagArgumentsStr[Idx];
1367 "invalid argument accessor!");
1368 return reinterpret_cast<const char*
>(DiagObj->DiagArgumentsVal[Idx]);
1375 "invalid argument accessor!");
1376 return (
int)DiagObj->DiagArgumentsVal[Idx];
1383 "invalid argument accessor!");
1384 return (
unsigned)DiagObj->DiagArgumentsVal[Idx];
1391 "invalid argument accessor!");
1392 return reinterpret_cast<IdentifierInfo*
>(DiagObj->DiagArgumentsVal[Idx]);
1399 "invalid argument accessor!");
1400 return DiagObj->DiagArgumentsVal[Idx];
1405 return DiagObj->DiagRanges.size();
1410 assert(Idx < getNumRanges() &&
"Invalid diagnostic range index!");
1411 return DiagObj->DiagRanges[Idx];
1416 return DiagObj->DiagRanges;
1420 return DiagObj->DiagFixItHints.size();
1424 assert(Idx < getNumFixItHints() &&
"Invalid index!");
1425 return DiagObj->DiagFixItHints[Idx];
1429 return DiagObj->DiagFixItHints;
1440 void FormatDiagnostic(
const char *DiagStr,
const char *DiagEnd,
1452 std::string Message;
1453 std::vector<CharSourceRange> Ranges;
1454 std::vector<FixItHint> FixIts;
1467 explicit operator bool()
const {
return !Message.empty(); }
1483 return llvm::makeArrayRef(Ranges);
1493 return llvm::makeArrayRef(FixIts);
1501 unsigned NumWarnings = 0;
1502 unsigned NumErrors = 0;
1510 virtual void clear() { NumWarnings = NumErrors = 0; }
1542 virtual bool IncludeInDiagnosticCounts()
const;
1555 virtual void anchor();
1575 void clear()
override;
1577 bool IncludeInDiagnosticCounts()
const override;
1601 bool ReportDiags =
true);
1605 #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 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.
void setElideType(bool Val)
Set type eliding, to skip outputting same types occurring in template types.
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...
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.
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)
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 setPrintTemplateTree(bool Val)
Set tree printing, to outputting the template difference in a tree format.
void setShowColors(bool Val)
Set color printing, so the type diffing will inject color markers into the output.
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...
void setSuppressAllDiagnostics(bool Val)
Suppress all diagnostics, to silence the front end when we know that we don't want any more diagnosti...
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
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...