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clang: include/clang/Basic/SourceManager.h Source File

()

{

Storage; }

llvm::BumpPtrAllocator &Alloc);

llvm::BumpPtrAllocator &Alloc);

*Storage =

;

std::unique_ptr<llvm::MemoryBuffer> Buffer;

LLVM_PREFERRED_TYPE(

)

LLVM_PREFERRED_TYPE(

)

LLVM_PREFERRED_TYPE(

)

LLVM_PREFERRED_TYPE(

)

);

std::optional<llvm::MemoryBufferRef>

Buffer->getMemBufferRef();

Buffer->getBuffer();

(std::unique_ptr<llvm::MemoryBuffer> B) {

Buffer = std::move(B);

assert(!Buffer &&

);

(llvm::MemoryBuffer::getMemBuffer(*B));

(

(ContentCache) >= 8,

);

NumCreatedFIDs : 31;

LLVM_PREFERRED_TYPE(

)

HasLineDirectives : 1;

llvm::PointerIntPair<const ContentCache *, 3, CharacteristicKind>

.NumCreatedFIDs = 0;

.HasLineDirectives =

;

.ContentAndKind.setPointer(&Con);

.ContentAndKind.setInt(FileCharacter);

*ContentAndKind.getPointer();

ContentAndKind.getInt();

ExpansionIsTokenRange;

ExpansionLocStart;

ExpansionIsTokenRange =

) {

.SpellingLoc = SpellingLoc;

.ExpansionLocStart = Start;

.ExpansionLocEnd = End;

.ExpansionIsTokenRange = ExpansionIsTokenRange;

(SpellingLoc, Start, End,

);

(

(FileInfo) <=

(ExpansionInfo),

);

LLVM_PREFERRED_TYPE(

)

assert(

() &&

);

assert(

() &&

);

assert(!(Offset & (1ULL << OffsetBits)) &&

);

assert(!(Offset & (1ULL << OffsetBits)) &&

);

.IsExpansion =

;

assert(!(Offset & (1ULL << OffsetBits)) &&

);

.IsExpansion =

;

LQueryFID, RQueryFID;

LChildBeforeRChild;

LCommonOffset, RCommonOffset;

(LQueryFID != CommonFID) LOffset = LCommonOffset;

(RQueryFID != CommonFID) ROffset = RCommonOffset;

(LOffset == ROffset)

LChildBeforeRChild;

LOffset < ROffset;

(LQueryFID != LHS || RQueryFID != RHS) {

rCommonOffset,

LParentBeforeRParent) {

CommonFID = commonFID;

LCommonOffset = lCommonOffset;

RCommonOffset = rCommonOffset;

LChildBeforeRChild = LParentBeforeRParent;

llvm::BumpPtrAllocator ContentCacheAlloc;

llvm::DenseMap<FileEntryRef, SrcMgr::ContentCache*> FileInfos;

OverridenFilesKeepOriginalName =

;

UserFilesAreVolatile;

FilesAreTransient =

;

OverriddenFilesInfoTy {

llvm::DenseMap<const FileEntry *, FileEntryRef> OverriddenFiles;

llvm::DenseSet<const FileEntry *> OverriddenFilesWithBuffer;

std::unique_ptr<OverriddenFilesInfoTy> OverriddenFilesInfo;

OverriddenFilesInfoTy &getOverriddenFilesInfo() {

(!OverriddenFilesInfo)

OverriddenFilesInfo.reset(

OverriddenFilesInfoTy);

*OverriddenFilesInfo;

std::vector<SrcMgr::ContentCache*> MemBufferInfos;

llvm::PagedVector<SrcMgr::SLocEntry, 32> LoadedSLocEntryTable;

llvm::BitVector SLocEntryLoaded;

llvm::BitVector SLocEntryOffsetLoaded;

LastFileIDLookup;

std::unique_ptr<LineTableInfo> LineTable;

LastLineNoFileIDQuery;

LastLineNoFilePos;

LastLineNoResult;

NumLinearScans = 0;

NumBinaryProbes = 0;

llvm::DenseMap<FileID, std::pair<FileID, unsigned>> IncludedLocMap;

IsBeforeInTUCacheKey = std::pair<FileID, FileID>;

InBeforeInTUCache =

llvm::DenseMap<IsBeforeInTUCacheKey, InBeforeInTUCacheEntry>;

InBeforeInTUCache IBTUCache;

std::unique_ptr<llvm::MemoryBuffer> FakeBufferForRecovery;

std::unique_ptr<SrcMgr::ContentCache> FakeContentCacheForRecovery;

std::unique_ptr<SrcMgr::SLocEntry> FakeSLocEntryForRecovery;

MacroArgsMap = std::map<unsigned, SourceLocation>;

llvm::DenseMap<FileID, std::unique_ptr<MacroArgsMap>>

UserFilesAreVolatile =

);

OverridenFilesKeepOriginalName = value;

StoredModuleBuildStack;

StoredModuleBuildStack.clear();

StoredModuleBuildStack.append(stack.begin(), stack.end());

StoredModuleBuildStack.push_back(std::make_pair(moduleName.str(),importLoc));

assert(PreambleFileID.

() &&

);

ExpansionIsTokenRange =

,

std::optional<llvm::MemoryBufferRef>

getFakeBufferForRecovery();

llvm::MemoryBufferRef &Buffer) {

std::unique_ptr<llvm::MemoryBuffer> Buffer);

(OverriddenFilesInfo) {

(OverriddenFilesInfo->OverriddenFilesWithBuffer.count(

))

(OverriddenFilesInfo->OverriddenFiles.contains(

))

FilesAreTransient = Transient;

std::optional<llvm::MemoryBufferRef>

(

*Entry = getSLocEntryForFile(FID))

Entry->getFile().getContentCache().getBufferOrNone(

std::nullopt;

llvm::MemoryBufferRef

getFakeBufferForRecovery();

(

*Entry = getSLocEntryForFile(FID))

Entry->getFile().getContentCache().OrigEntry;

std::nullopt;

(

*Entry = getSLocEntryForFile(FID))

Entry->getFile().NumCreatedFIDs;

Force =

) {

*Entry = getSLocEntryForFile(FID);

assert((Force || Entry->getFile().NumCreatedFIDs == 0) &&

);

Entry->getFile().NumCreatedFIDs = NumFIDs;

(SpellingLoc.getOffset());

(

*Entry = getSLocEntryForFile(FID))

SourceLocation::getFileLoc(Entry->getOffset());

(

*Entry = getSLocEntryForFile(FID))

SourceLocation::getFileLoc(Entry->getOffset() +

(

*Entry = getSLocEntryForFile(FID))

Entry->getFile().getIncludeLoc();

std::pair<SourceLocation, StringRef>

(

.isFileID())

;

getExpansionLocSlowCase(

);

(

.isFileID())

;

getFileLocSlowCase(

);

End.isTokenRange());

(

.isFileID())

;

getSpellingLocSlowCase(

);

*Entry = getSLocEntryOrNull(FID);

Entry->isFile() ? SourceLocation::getFileLoc(GlobalOffset)

: SourceLocation::getMacroLoc(GlobalOffset);

*Entry = getSLocEntryOrNull(FID);

std::make_pair(

(), 0);

std::make_pair(FID,

.getOffset() - Entry->getOffset());

std::pair<FileID, unsigned>

*

= getSLocEntryOrNull(FID);

std::make_pair(

(), 0);

Offset =

.getOffset()-

->getOffset();

(

.isFileID())

std::make_pair(FID, Offset);

getDecomposedExpansionLocSlowCase(

);

std::pair<FileID, unsigned>

*

= getSLocEntryOrNull(FID);

std::make_pair(

(), 0);

Offset =

.getOffset()-

->getOffset();

(

.isFileID())

std::make_pair(FID, Offset);

getDecomposedSpellingLocSlowCase(

, Offset);

assert(((Start.getOffset() < NextLocalOffset &&

Start.getOffset()+Length <= NextLocalOffset) ||

(Start.getOffset() >= CurrentLoadedOffset &&

Start.getOffset()+Length < MaxLoadedOffset)) &&

);

(LocOffs >= BeginOffs && LocOffs < EndOffs) {

*RelativeOffset = LocOffs - BeginOffs;

LHSLoaded = LHSOffs >= CurrentLoadedOffset;

RHSLoaded = RHSOffs >= CurrentLoadedOffset;

(LHSLoaded == RHSLoaded) {

*RelativeOffset = RHSOffs - LHSOffs;

*

=

)

;

*

=

)

;

*

=

)

;

*

=

)

;

*

=

)

;

UseLineDirectives =

)

;

==

;

==

;

(

.isInvalid())

*RelativeOffset =

)

{

(isOffsetInFileID(FID, Offs)) {

IsFileEntry,

IsFileExit,

ContentCacheAlloc.getTotalMemory();

,

Col)

;

,

Col)

;

std::pair<bool, bool>

std::pair<FileID, unsigned> &ROffs)

;

std::pair<FileID, unsigned> &LOffs,

std::pair<FileID, unsigned> &ROffs)

;

LHSLoaded = LHSOffset >= CurrentLoadedOffset;

RHSLoaded = RHS >= CurrentLoadedOffset;

(LHSLoaded == RHSLoaded)

LHSOffset < RHS;

Location == Start || Location == End ||

llvm::DenseMap<FileEntryRef, SrcMgr::ContentCache *>::const_iterator;

FileInfos.find_as(

) != FileInfos.end();

()

;

std::optional<unsigned> MaxNotes = 32)

;

assert(Index < LocalSLocEntryTable.size() &&

);

LocalSLocEntryTable[Index];

*

=

)

{

assert(Index < LoadedSLocEntryTable.size() &&

);

(SLocEntryLoaded[Index])

LoadedSLocEntryTable[Index];

loadSLocEntry(Index,

);

*

=

)

{

(FID.ID == 0 || FID.ID == -1) {

LocalSLocEntryTable[0];

getSLocEntryByID(FID.ID,

);

assert(LoadedSLocEntryTable.empty() &&

);

ExternalSLocEntries = Source;

std::pair<int, SourceLocation::UIntTy>

isLoadedOffset(

.getOffset());

isLocalOffset(

.getOffset());

assert(FID.ID != -1 &&

);

(!

.isMacroID())

;

llvm::MemoryBufferRef getFakeBufferForRecovery()

;

*

(

)->getSLocEntryOrNull(FID);

? nullptr : &Entry;

SrcMgr::SLocEntry *getSLocEntryForFile(FileID FID)

{

SourceManager *

(

)->getSLocEntryForFile(FID);

SrcMgr::SLocEntry *getSLocEntryForFile(FileID FID) {

(

*Entry = getSLocEntryOrNull(FID))

(Entry->isFile())

SrcMgr::SLocEntry &getSLocEntryByID(

,

*

=

)

{

SrcMgr::SLocEntry &getSLocEntryByID(

,

*

=

) {

assert(

!= -1 &&

);

getLoadedSLocEntryByID(

,

);

SrcMgr::SLocEntry &

getLoadedSLocEntryByID(

,

*

=

)

{

*

(

)->getLoadedSLocEntryByID(

,

SrcMgr::SLocEntry &getLoadedSLocEntryByID(

,

*

=

) {

(isOffsetInFileID(LastFileIDLookup, SLocOffset))

LastFileIDLookup;

getFileIDSlow(SLocOffset);

SLocOffset < CurrentLoadedOffset;

SLocOffset >= CurrentLoadedOffset;

createExpansionLocImpl(

SrcMgr::ExpansionInfo &Expansion,

Length,

LoadedID = 0,

isOffsetInFileID(FileID FID,

(SLocOffset < Entry.getOffset())

;

(FID.ID+1 ==

(LocalSLocEntryTable.size()))

SLocOffset < NextLocalOffset;

SLocOffset < getSLocEntryByID(FID.ID+1).

();

FileID getPreviousFileID(FileID FID)

;

FileID getNextFileID(FileID FID)

;

FileID createFileIDImpl(SrcMgr::ContentCache &

, StringRef

,

SourceLocation IncludePos,

SrcMgr::ContentCache &getOrCreateContentCache(FileEntryRef SourceFile,

isSystemFile =

);

SrcMgr::ContentCache &

createMemBufferContentCache(std::unique_ptr<llvm::MemoryBuffer> Buf);

SourceLocation getExpansionLocSlowCase(SourceLocation

)

;

SourceLocation getSpellingLocSlowCase(SourceLocation

)

;

SourceLocation getFileLocSlowCase(SourceLocation

)

;

std::pair<FileID, unsigned>

getDecomposedExpansionLocSlowCase(

SrcMgr::SLocEntry *

)

;

std::pair<FileID, unsigned>

getDecomposedSpellingLocSlowCase(

SrcMgr::SLocEntry *

,

Offset)

;

computeMacroArgsCache(MacroArgsMap &MacroArgsCache, FileID FID)

;

associateFileChunkWithMacroArgExp(MacroArgsMap &MacroArgsCache,

SourceLocation SpellLoc,

SourceLocation ExpansionLoc,

ExpansionLength)

;

updateSlocUsageStats()

;

<

T>

.isBeforeInTranslationUnit(LHS, RHS);

std::unique_ptr<FileManager> FileMgr;

std::unique_ptr<DiagnosticsEngine> Diagnostics;

std::unique_ptr<SourceManager> SourceMgr;

Defines the Diagnostic-related interfaces.

Defines interfaces for clang::FileEntry and clang::FileEntryRef.

Defines the clang::FileManager interface and associated types.

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.

Defines the clang::SourceLocation class and associated facilities.

Reads an AST files chain containing the contents of a translation unit.

Writes an AST file containing the contents of a translation unit.

bool operator()(SourceLocation LHS, SourceLocation RHS) const

BeforeThanCompare(SourceManager &SM)

BeforeThanCompare(SourceManager &SM)

bool operator()(SourceRange LHS, SourceRange RHS) const

Comparison function object.

Represents a character-granular source range.

SourceLocation getEnd() const

SourceLocation getBegin() const

void setTokenRange(bool TR)

Concrete class used by the front-end to report problems and issues.

External source of source location entries.

virtual int getSLocEntryID(SourceLocation::UIntTy SLocOffset)=0

Get the index ID for the loaded SourceLocation offset.

virtual std::pair< SourceLocation, StringRef > getModuleImportLoc(int ID)=0

Retrieve the module import location and name for the given ID, if in fact it was loaded from a module...

virtual ~ExternalSLocEntrySource()

virtual bool ReadSLocEntry(int ID)=0

Read the source location entry with index ID, which will always be less than -1.

A reference to a FileEntry that includes the name of the file as it was accessed by the FileManager's...

const FileEntry & getFileEntry() const

Cached information about one file (either on disk or in the virtual file system).

An opaque identifier used by SourceManager which refers to a source file (MemoryBuffer) along with it...

Implements support for file system lookup, file system caching, and directory search management.

A SourceLocation and its associated SourceManager.

Holds the cache used by isBeforeInTranslationUnit.

void setCommonLoc(FileID commonFID, unsigned lCommonOffset, unsigned rCommonOffset, bool LParentBeforeRParent)

bool getCachedResult(unsigned LOffset, unsigned ROffset) const

If the cache is valid, compute the result given the specified offsets in the LHS/RHS FileID's.

void setQueryFIDs(FileID LHS, FileID RHS)

Set up a new query.

InBeforeInTUCacheEntry(FileID L, FileID R)

InBeforeInTUCacheEntry()=default

bool isCacheValid() const

Return true if the currently cached values match up with the specified LHS/RHS query.

Used to hold and unique data used to represent #line information.

Represents an unpacked "presumed" location which can be presented to the user.

const char * getFilename() const

Return the presumed filename of this location.

bool isInvalid() const

Return true if this object is invalid or uninitialized.

Encodes a location in the source.

bool isValid() const

Return true if this is a valid SourceLocation object.

SourceManager and necessary dependencies (e.g.

This class handles loading and caching of source files into memory.

std::optional< StringRef > getNonBuiltinFilenameForID(FileID FID) const

Returns the filename for the provided FileID, unless it's a built-in buffer that's not represented by...

bool isMacroBodyExpansion(SourceLocation Loc) const

Tests whether the given source location represents the expansion of a macro body.

unsigned getPresumedLineNumber(SourceLocation Loc, bool *Invalid=nullptr) const

bool isBeforeInSLocAddrSpace(SourceLocation LHS, SourceLocation RHS) const

Determines the order of 2 source locations in the "source location address space".

FileID getFileID(SourceLocation SpellingLoc) const

Return the FileID for a SourceLocation.

bool isAtEndOfImmediateMacroExpansion(SourceLocation Loc, SourceLocation *MacroEnd=nullptr) const

Returns true if the given MacroID location points at the character end of the immediate macro expansi...

DiagnosticsEngine & getDiagnostics() const

SourceLocation::UIntTy getNextLocalOffset() const

bool isWrittenInBuiltinFile(SourceLocation Loc) const

Returns whether Loc is located in a <built-in> file.

unsigned getColumnNumber(FileID FID, unsigned FilePos, bool *Invalid=nullptr) const

Return the column # for the specified file position.

void noteSLocAddressSpaceUsage(DiagnosticsEngine &Diag, std::optional< unsigned > MaxNotes=32) const

void setAllFilesAreTransient(bool Transient)

Specify that all files that are read during this compilation are transient.

unsigned getFileOffset(SourceLocation SpellingLoc) const

Returns the offset from the start of the file that the specified SourceLocation represents.

bool isLocalSourceLocation(SourceLocation Loc) const

Returns true if Loc did not come from a PCH/Module.

bool isInMainFile(SourceLocation Loc) const

Returns whether the PresumedLoc for a given SourceLocation is in the main file.

void AddLineNote(SourceLocation Loc, unsigned LineNo, int FilenameID, bool IsFileEntry, bool IsFileExit, SrcMgr::CharacteristicKind FileKind)

Add a line note to the line table for the FileID and offset specified by Loc.

SourceManager(DiagnosticsEngine &Diag, FileManager &FileMgr, bool UserFilesAreVolatile=false)

SourceLocation createTokenSplitLoc(SourceLocation SpellingLoc, SourceLocation TokenStart, SourceLocation TokenEnd)

Return a new SourceLocation that encodes that the token starting at TokenStart ends prematurely at To...

PresumedLoc getPresumedLoc(SourceLocation Loc, bool UseLineDirectives=true) const

Returns the "presumed" location of a SourceLocation specifies.

const FileEntry * getFileEntryForSLocEntry(const SrcMgr::SLocEntry &SLocEntry) const

Returns the FileEntry record for the provided SLocEntry.

bool isWrittenInCommandLineFile(SourceLocation Loc) const

Returns whether Loc is located in a <command line> file.

MemoryBufferSizes getMemoryBufferSizes() const

Return the amount of memory used by memory buffers, breaking down by heap-backed versus mmap'ed memor...

void setFileIsTransient(FileEntryRef SourceFile)

Specify that a file is transient.

bool isFileOverridden(const FileEntry *File) const

Returns true if the file contents have been overridden.

OptionalFileEntryRef getFileEntryRefForID(FileID FID) const

Returns the FileEntryRef for the provided FileID.

CharSourceRange getExpansionRange(SourceRange Range) const

Given a SourceRange object, return the range of tokens or characters covered by the expansion in the ...

SourceLocation getFileLoc(SourceLocation Loc) const

Given Loc, if it is a macro location return the expansion location or the spelling location,...

bool isInSLocAddrSpace(SourceLocation Loc, SourceLocation Start, unsigned Length, SourceLocation::UIntTy *RelativeOffset=nullptr) const

Returns true if Loc is inside the [Start, +Length) chunk of the source location address space.

SourceLocation translateLineCol(FileID FID, unsigned Line, unsigned Col) const

Get the source location in FID for the given line:col.

size_t getContentCacheSize() const

Return the total amount of physical memory allocated by the ContentCache allocator.

StringRef getBufferName(SourceLocation Loc, bool *Invalid=nullptr) const

Return the filename or buffer identifier of the buffer the location is in.

SourceLocation getTopMacroCallerLoc(SourceLocation Loc) const

std::optional< StringRef > getBufferDataOrNone(FileID FID) const

Return a StringRef to the source buffer data for the specified FileID, returning std::nullopt if inva...

unsigned getExpansionColumnNumber(SourceLocation Loc, bool *Invalid=nullptr) const

FileID translateFile(const FileEntry *SourceFile) const

Get the FileID for the given file.

CharSourceRange getExpansionRange(CharSourceRange Range) const

Given a CharSourceRange object, return the range of tokens or characters covered by the expansion in ...

void setModuleBuildStack(ModuleBuildStack stack)

Set the module build stack.

StringRef getBufferData(FileID FID, bool *Invalid=nullptr) const

Return a StringRef to the source buffer data for the specified FileID.

FileID createFileID(FileEntryRef SourceFile, SourceLocation IncludePos, SrcMgr::CharacteristicKind FileCharacter, int LoadedID=0, SourceLocation::UIntTy LoadedOffset=0)

Create a new FileID that represents the specified file being #included from the specified IncludePosi...

void PrintStats() const

Print statistics to stderr.

FileID getUniqueLoadedASTFileID(SourceLocation Loc) const

SrcMgr::SLocEntry & getSLocEntry(FileID FID, bool *Invalid=nullptr)

bool isMainFile(const FileEntry &SourceFile)

Returns true when the given FileEntry corresponds to the main file.

size_t getDataStructureSizes() const

Return the amount of memory used for various side tables and data structures in the SourceManager.

bool isMacroArgExpansion(SourceLocation Loc, SourceLocation *StartLoc=nullptr) const

Tests whether the given source location represents a macro argument's expansion into the function-lik...

bool isInTheSameTranslationUnitImpl(const std::pair< FileID, unsigned > &LOffs, const std::pair< FileID, unsigned > &ROffs) const

Determines whether the two decomposed source location is in the same TU.

const SrcMgr::SLocEntry & getLocalSLocEntry(unsigned Index) const

Get a local SLocEntry. This is exposed for indexing.

SourceLocation getComposedLoc(FileID FID, unsigned Offset) const

Form a SourceLocation from a FileID and Offset pair.

void setPreambleFileID(FileID Preamble)

Set the file ID for the precompiled preamble.

OptionalFileEntryRef bypassFileContentsOverride(FileEntryRef File)

Bypass the overridden contents of a file.

bool userFilesAreVolatile() const

True if non-system source files should be treated as volatile (likely to change while trying to use t...

const SrcMgr::SLocEntry & getLoadedSLocEntry(unsigned Index, bool *Invalid=nullptr) const

Get a loaded SLocEntry. This is exposed for indexing.

SourceLocation getSpellingLoc(SourceLocation Loc) const

Given a SourceLocation object, return the spelling location referenced by the ID.

FileManager & getFileManager() const

void setOverridenFilesKeepOriginalName(bool value)

Set true if the SourceManager should report the original file name for contents of files that were ov...

fileinfo_iterator fileinfo_end() const

FileID translateFile(FileEntryRef SourceFile) const

ModuleBuildStack getModuleBuildStack() const

Retrieve the module build stack.

unsigned local_sloc_entry_size() const

Get the number of local SLocEntries we have.

std::optional< StringRef > getBufferDataIfLoaded(FileID FID) const

Return a StringRef to the source buffer data for the specified FileID, returning std::nullopt if it's...

SourceLocation getLocForEndOfFile(FileID FID) const

Return the source location corresponding to the last byte of the specified file.

FileID getMainFileID() const

Returns the FileID of the main source file.

SourceLocation getImmediateMacroCallerLoc(SourceLocation Loc) const

Gets the location of the immediate macro caller, one level up the stack toward the initial macro type...

const char * getCharacterData(SourceLocation SL, bool *Invalid=nullptr) const

Return a pointer to the start of the specified location in the appropriate spelling MemoryBuffer.

std::pair< int, SourceLocation::UIntTy > AllocateLoadedSLocEntries(unsigned NumSLocEntries, SourceLocation::UIntTy TotalSize)

Allocate a number of loaded SLocEntries, which will be actually loaded on demand from the external so...

void pushModuleBuildStack(StringRef moduleName, FullSourceLoc importLoc)

Push an entry to the module build stack.

void overrideFileContents(FileEntryRef SourceFile, const llvm::MemoryBufferRef &Buffer)

Override the contents of the given source file by providing an already-allocated buffer.

SourceLocation getIncludeLoc(FileID FID) const

Returns the include location if FID is a #include'd file otherwise it returns an invalid location.

llvm::MemoryBufferRef getBufferOrFake(FileID FID, SourceLocation Loc=SourceLocation()) const

Return the buffer for the specified FileID.

unsigned getSpellingLineNumber(SourceLocation Loc, bool *Invalid=nullptr) const

unsigned getFileIDSize(FileID FID) const

The size of the SLocEntry that FID represents.

bool isInSystemMacro(SourceLocation loc) const

Returns whether Loc is expanded from a macro in a system header.

void setMainFileID(FileID FID)

Set the file ID for the main source file.

unsigned getLineNumber(FileID FID, unsigned FilePos, bool *Invalid=nullptr) const

Given a SourceLocation, return the spelling line number for the position indicated.

std::pair< bool, bool > isInTheSameTranslationUnit(std::pair< FileID, unsigned > &LOffs, std::pair< FileID, unsigned > &ROffs) const

Determines whether the two decomposed source location is in the same translation unit.

llvm::DenseMap< FileEntryRef, SrcMgr::ContentCache * >::const_iterator fileinfo_iterator

CharSourceRange getImmediateExpansionRange(SourceLocation Loc) const

Return the start/end of the expansion information for an expansion location.

unsigned getSpellingColumnNumber(SourceLocation Loc, bool *Invalid=nullptr) const

bool hasLineTable() const

Determine if the source manager has a line table.

CharSourceRange getExpansionRange(SourceLocation Loc) const

Given a SourceLocation object, return the range of tokens covered by the expansion in the ultimate fi...

bool isWrittenInScratchSpace(SourceLocation Loc) const

Returns whether Loc is located in a <scratch space> file.

bool isInFileID(SourceLocation Loc, FileID FID, unsigned *RelativeOffset=nullptr) const

Given a specific FileID, returns true if Loc is inside that FileID chunk and sets relative offset (of...

void setExternalSLocEntrySource(ExternalSLocEntrySource *Source)

unsigned getLineTableFilenameID(StringRef Str)

Return the uniqued ID for the specified filename.

void setNumCreatedFIDsForFileID(FileID FID, unsigned NumFIDs, bool Force=false)

Set the number of FileIDs (files and macros) that were created during preprocessing of FID,...

bool isLocalFileID(FileID FID) const

Returns true if FID did not come from a PCH/Module.

bool isInSystemHeader(SourceLocation Loc) const

Returns if a SourceLocation is in a system header.

FileID getPreambleFileID() const

Get the file ID for the precompiled preamble if there is one.

std::pair< FileID, unsigned > getDecomposedExpansionLoc(SourceLocation Loc) const

Decompose the specified location into a raw FileID + Offset pair.

SrcMgr::SLocEntry & getLocalSLocEntry(unsigned Index)

Get a local SLocEntry. This is exposed for indexing.

unsigned getExpansionLineNumber(SourceLocation Loc, bool *Invalid=nullptr) const

void initializeForReplay(const SourceManager &Old)

Initialize this source manager suitably to replay the compilation described by Old.

bool isLoadedSourceLocation(SourceLocation Loc) const

Returns true if Loc came from a PCH/Module.

unsigned loaded_sloc_entry_size() const

Get the number of loaded SLocEntries we have.

SourceManager & operator=(const SourceManager &)=delete

FileID getOrCreateFileID(FileEntryRef SourceFile, SrcMgr::CharacteristicKind FileCharacter)

Get the FileID for SourceFile if it exists.

bool hasFileInfo(const FileEntry *File) const

SourceLocation translateFileLineCol(const FileEntry *SourceFile, unsigned Line, unsigned Col) const

Get the source location for the given file:line:col triplet.

std::pair< SourceLocation, StringRef > getModuleImportLoc(SourceLocation Loc) const

std::pair< FileID, unsigned > getDecomposedLoc(SourceLocation Loc) const

Decompose the specified location into a raw FileID + Offset pair.

bool isLoadedFileID(FileID FID) const

Returns true if FID came from a PCH/Module.

const FileEntry * getFileEntryForID(FileID FID) const

Returns the FileEntry record for the provided FileID.

std::pair< FileID, unsigned > getDecomposedSpellingLoc(SourceLocation Loc) const

Decompose the specified location into a raw FileID + Offset pair.

bool isInSameSLocAddrSpace(SourceLocation LHS, SourceLocation RHS, SourceLocation::IntTy *RelativeOffset) const

Return true if both LHS and RHS are in the local source location address space or the loaded one.

llvm::MemoryBufferRef getMemoryBufferForFileOrFake(FileEntryRef File)

Retrieve the memory buffer associated with the given file.

SrcMgr::SLocEntry & getLoadedSLocEntry(unsigned Index, bool *Invalid=nullptr)

Get a loaded SLocEntry. This is exposed for indexing.

SourceLocation getLocForStartOfFile(FileID FID) const

Return the source location corresponding to the first byte of the specified file.

bool isAtStartOfImmediateMacroExpansion(SourceLocation Loc, SourceLocation *MacroBegin=nullptr) const

Returns true if the given MacroID location points at the beginning of the immediate macro expansion.

SrcMgr::CharacteristicKind getFileCharacteristic(SourceLocation Loc) const

Return the file characteristic of the specified source location, indicating whether this is a normal ...

SourceLocation createExpansionLoc(SourceLocation SpellingLoc, SourceLocation ExpansionLocStart, SourceLocation ExpansionLocEnd, unsigned Length, bool ExpansionIsTokenRange=true, int LoadedID=0, SourceLocation::UIntTy LoadedOffset=0)

Creates an expansion SLocEntry for a macro use.

bool isWrittenInSameFile(SourceLocation Loc1, SourceLocation Loc2) const

Returns true if the spelling locations for both SourceLocations are part of the same file buffer.

bool isInExternCSystemHeader(SourceLocation Loc) const

Returns if a SourceLocation is in an "extern C" system header.

unsigned getPresumedColumnNumber(SourceLocation Loc, bool *Invalid=nullptr) const

bool isWrittenInMainFile(SourceLocation Loc) const

Returns true if the spelling location for the given location is in the main file buffer.

bool isPointWithin(SourceLocation Location, SourceLocation Start, SourceLocation End) const

Return true if the Point is within Start and End.

SourceManager(const SourceManager &)=delete

std::pair< FileID, unsigned > getDecomposedIncludedLoc(FileID FID) const

Returns the "included/expanded in" decomposed location of the given FileID.

StringRef getFilename(SourceLocation SpellingLoc) const

Return the filename of the file containing a SourceLocation.

SourceLocation getExpansionLoc(SourceLocation Loc) const

Given a SourceLocation object Loc, return the expansion location referenced by the ID.

SourceLocation getMacroArgExpandedLocation(SourceLocation Loc) const

If Loc points inside a function macro argument, the returned location will be the macro location in w...

bool isBeforeInTranslationUnit(SourceLocation LHS, SourceLocation RHS) const

Determines the order of 2 source locations in the translation unit.

unsigned getNumCreatedFIDsForFileID(FileID FID) const

Get the number of FileIDs (files and macros) that were created during preprocessing of FID,...

std::optional< llvm::MemoryBufferRef > getBufferOrNone(FileID FID, SourceLocation Loc=SourceLocation()) const

Return the buffer for the specified FileID.

fileinfo_iterator fileinfo_begin() const

bool isBeforeInSLocAddrSpace(SourceLocation LHS, SourceLocation::UIntTy RHS) const

Determines the order of a source location and a source location offset in the "source location addres...

LineTableInfo & getLineTable()

Retrieve the stored line table.

SourceLocation getImmediateSpellingLoc(SourceLocation Loc) const

Given a SourceLocation object, return the spelling location referenced by the ID.

std::optional< llvm::MemoryBufferRef > getMemoryBufferForFileOrNone(FileEntryRef File)

Retrieve the memory buffer associated with the given file.

const SrcMgr::SLocEntry & getSLocEntry(FileID FID, bool *Invalid=nullptr) const

SourceLocation createMacroArgExpansionLoc(SourceLocation SpellingLoc, SourceLocation ExpansionLoc, unsigned Length)

Creates an expansion SLocEntry for the substitution of an argument into a function-like macro's body.

A trivial tuple used to represent a source range.

SourceLocation getBegin() const

One instance of this struct is kept for every file loaded or used.

void setBuffer(std::unique_ptr< llvm::MemoryBuffer > B)

Set the buffer.

std::optional< StringRef > getBufferDataIfLoaded() const

Return a StringRef to the source buffer data, only if it has already been loaded.

void setUnownedBuffer(std::optional< llvm::MemoryBufferRef > B)

Set the buffer to one that's not owned (or to nullptr).

OptionalFileEntryRef ContentsEntry

References the file which the contents were actually loaded from.

unsigned getSizeBytesMapped() const

Returns the number of bytes actually mapped for this ContentCache.

unsigned IsTransient

True if this file may be transient, that is, if it might not exist at some later point in time when t...

StringRef Filename

The filename that is used to access OrigEntry.

ContentCache(FileEntryRef Ent)

ContentCache(FileEntryRef Ent, FileEntryRef contentEnt)

unsigned getSize() const

Returns the size of the content encapsulated by this ContentCache.

llvm::MemoryBuffer::BufferKind getMemoryBufferKind() const

Returns the kind of memory used to back the memory buffer for this content cache.

unsigned IsFileVolatile

True if this content cache was initially created for a source file considered to be volatile (likely ...

LineOffsetMapping SourceLineCache

A bump pointer allocated array of offsets for each source line.

std::optional< llvm::MemoryBufferRef > getBufferOrNone(DiagnosticsEngine &Diag, FileManager &FM, SourceLocation Loc=SourceLocation()) const

Returns the memory buffer for the associated content.

static const char * getInvalidBOM(StringRef BufStr)

std::optional< llvm::MemoryBufferRef > getBufferIfLoaded() const

Return the buffer, only if it has been loaded.

unsigned BufferOverridden

Indicates whether the buffer itself was provided to override the actual file contents.

ContentCache(const ContentCache &RHS)

The copy ctor does not allow copies where source object has either a non-NULL Buffer or SourceLineCac...

ContentCache & operator=(const ContentCache &RHS)=delete

OptionalFileEntryRef OrigEntry

Reference to the file entry representing this ContentCache.

Each ExpansionInfo encodes the expansion location - where the token was ultimately expanded,...

SourceLocation getExpansionLocStart() const

static ExpansionInfo create(SourceLocation SpellingLoc, SourceLocation Start, SourceLocation End, bool ExpansionIsTokenRange=true)

Return a ExpansionInfo for an expansion.

bool isMacroBodyExpansion() const

bool isExpansionTokenRange() const

bool isFunctionMacroExpansion() const

SourceLocation getSpellingLoc() const

CharSourceRange getExpansionLocRange() const

bool isMacroArgExpansion() const

static ExpansionInfo createForMacroArg(SourceLocation SpellingLoc, SourceLocation ExpansionLoc)

Return a special ExpansionInfo for the expansion of a macro argument into a function-like macro's bod...

static ExpansionInfo createForTokenSplit(SourceLocation SpellingLoc, SourceLocation Start, SourceLocation End)

Return a special ExpansionInfo representing a token that ends prematurely.

SourceLocation getExpansionLocEnd() const

Information about a FileID, basically just the logical file that it represents and include stack info...

const ContentCache & getContentCache() const

CharacteristicKind getFileCharacteristic() const

Return whether this is a system header or not.

static FileInfo get(SourceLocation IL, ContentCache &Con, CharacteristicKind FileCharacter, StringRef Filename)

Return a FileInfo object.

bool hasLineDirectives() const

Return true if this FileID has #line directives in it.

void setHasLineDirectives()

Set the flag that indicates that this FileID has line table entries associated with it.

SourceLocation getIncludeLoc() const

StringRef getName() const

Returns the name of the file that was used when the file was loaded from the underlying file system.

Mapping of line offsets into a source file.

const unsigned * begin() const

LineOffsetMapping()=default

const unsigned * end() const

const unsigned & operator[](int I) const

static LineOffsetMapping get(llvm::MemoryBufferRef Buffer, llvm::BumpPtrAllocator &Alloc)

ArrayRef< unsigned > getLines() const

This is a discriminated union of FileInfo and ExpansionInfo.

SourceLocation::UIntTy getOffset() const

static SLocEntry getOffsetOnly(SourceLocation::UIntTy Offset)

Creates an incomplete SLocEntry that is only able to report its offset.

static SLocEntry get(SourceLocation::UIntTy Offset, const FileInfo &FI)

const FileInfo & getFile() const

static SLocEntry get(SourceLocation::UIntTy Offset, const ExpansionInfo &Expansion)

const ExpansionInfo & getExpansion() const

CharacteristicKind

Indicates whether a file or directory holds normal user code, system code, or system code which is im...

bool isSystem(CharacteristicKind CK)

Determine whether a file / directory characteristic is for system code.

bool isModuleMap(CharacteristicKind CK)

Determine whether a file characteristic is for a module map.

The JSON file list parser is used to communicate input to InstallAPI.

const size_t malloc_bytes

MemoryBufferSizes(size_t malloc_bytes, size_t mmap_bytes)

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