A record of the steps taken while preprocessing a source file, including the various preprocessing directives processed, macros expanded, etc. More...

#include "clang/Lex/PreprocessingRecord.h"

Inheritance diagram for clang::PreprocessingRecord:

[legend]

Classes
class	iterator
	Iteration over the preprocessed entities. More...

Public Member Functions
	PreprocessingRecord (SourceManager &SM)
	Construct a new preprocessing record.

void *	Allocate (unsigned Size, unsigned Align=8)
	Allocate memory in the preprocessing record.

void	Deallocate (void *Ptr)
	Deallocate memory in the preprocessing record.

size_t	getTotalMemory () const

SourceManager &	getSourceManager () const

iterator	begin ()
	Begin iterator for all preprocessed entities.

iterator	end ()
	End iterator for all preprocessed entities.

iterator	local_begin ()
	Begin iterator for local, non-loaded, preprocessed entities.

iterator	local_end ()
	End iterator for local, non-loaded, preprocessed entities.

llvm::iterator_range< iterator >	getIteratorsForLoadedRange (unsigned start, unsigned count)
	iterator range for the given range of loaded preprocessed entities.

llvm::iterator_range< iterator >	getPreprocessedEntitiesInRange (SourceRange R)
	Returns a range of preprocessed entities that source range `R` encompasses.

bool	isEntityInFileID (iterator PPEI, FileID FID)
	Returns true if the preprocessed entity that `PPEI` iterator points to is coming from the file `FID`.

PPEntityID	addPreprocessedEntity (PreprocessedEntity *Entity)
	Add a new preprocessed entity to this record.

void	SetExternalSource (ExternalPreprocessingRecordSource &Source)
	Set the external source for preprocessed entities.

ExternalPreprocessingRecordSource *	getExternalSource () const
	Retrieve the external source for preprocessed entities.

MacroDefinitionRecord *	findMacroDefinition (const MacroInfo *MI)
	Retrieve the macro definition that corresponds to the given `MacroInfo`.

const std::vector< SourceRange > &	getSkippedRanges ()
	Retrieve all ranges that got skipped while preprocessing.

Public Member Functions inherited from clang::PPCallbacks
virtual	~PPCallbacks ()

virtual void	FileChanged (SourceLocation Loc, FileChangeReason Reason, SrcMgr::CharacteristicKind FileType, FileID PrevFID=FileID())
	Callback invoked whenever a source file is entered or exited.

virtual void	LexedFileChanged (FileID FID, LexedFileChangeReason Reason, SrcMgr::CharacteristicKind FileType, FileID PrevFID, SourceLocation Loc)
	Callback invoked whenever the `Lexer` moves to a different file for lexing.

virtual void	FileSkipped (const FileEntryRef &SkippedFile, const Token &FilenameTok, SrcMgr::CharacteristicKind FileType)
	Callback invoked whenever a source file is skipped as the result of header guard optimization.

virtual bool	EmbedFileNotFound (StringRef FileName)
	Callback invoked whenever the preprocessor cannot find a file for an embed directive.

virtual void	EmbedDirective (SourceLocation HashLoc, StringRef FileName, bool IsAngled, OptionalFileEntryRef File, const LexEmbedParametersResult &Params)
	Callback invoked whenever an embed directive has been processed, regardless of whether the embed will actually find a file.

virtual bool	FileNotFound (StringRef FileName)
	Callback invoked whenever the preprocessor cannot find a file for an inclusion directive.

virtual void	InclusionDirective (SourceLocation HashLoc, const Token &IncludeTok, StringRef FileName, bool IsAngled, CharSourceRange FilenameRange, OptionalFileEntryRef File, StringRef SearchPath, StringRef RelativePath, const Module *SuggestedModule, bool ModuleImported, SrcMgr::CharacteristicKind FileType)
	Callback invoked whenever an inclusion directive of any kind (`#include`, `#import`, etc.) has been processed, regardless of whether the inclusion will actually result in an inclusion.

virtual void	EnteredSubmodule (Module *M, SourceLocation ImportLoc, bool ForPragma)
	Callback invoked whenever a submodule was entered.

virtual void	LeftSubmodule (Module *M, SourceLocation ImportLoc, bool ForPragma)
	Callback invoked whenever a submodule was left.

virtual void	moduleImport (SourceLocation ImportLoc, ModuleIdPath Path, const Module *Imported)
	Callback invoked whenever there was an explicit module-import syntax.

virtual void	EndOfMainFile ()
	Callback invoked when the end of the main file is reached.

virtual void	Ident (SourceLocation Loc, StringRef str)
	Callback invoked when a #ident or #sccs directive is read.

virtual void	PragmaDirective (SourceLocation Loc, PragmaIntroducerKind Introducer)
	Callback invoked when start reading any pragma directive.

virtual void	PragmaComment (SourceLocation Loc, const IdentifierInfo *Kind, StringRef Str)
	Callback invoked when a #pragma comment directive is read.

virtual void	PragmaMark (SourceLocation Loc, StringRef Trivia)
	Callback invoked when a #pragma mark comment is read.

virtual void	PragmaDetectMismatch (SourceLocation Loc, StringRef Name, StringRef Value)
	Callback invoked when a #pragma detect_mismatch directive is read.

virtual void	PragmaDebug (SourceLocation Loc, StringRef DebugType)
	Callback invoked when a #pragma clang __debug directive is read.

virtual void	PragmaMessage (SourceLocation Loc, StringRef Namespace, PragmaMessageKind Kind, StringRef Str)
	Callback invoked when a #pragma message directive is read.

virtual void	PragmaDiagnosticPush (SourceLocation Loc, StringRef Namespace)
	Callback invoked when a #pragma gcc diagnostic push directive is read.

virtual void	PragmaDiagnosticPop (SourceLocation Loc, StringRef Namespace)
	Callback invoked when a #pragma gcc diagnostic pop directive is read.

virtual void	PragmaDiagnostic (SourceLocation Loc, StringRef Namespace, diag::Severity mapping, StringRef Str)
	Callback invoked when a #pragma gcc diagnostic directive is read.

virtual void	PragmaOpenCLExtension (SourceLocation NameLoc, const IdentifierInfo *Name, SourceLocation StateLoc, unsigned State)
	Called when an OpenCL extension is either disabled or enabled with a pragma.

virtual void	PragmaWarning (SourceLocation Loc, PragmaWarningSpecifier WarningSpec, ArrayRef< int > Ids)

virtual void	PragmaWarningPush (SourceLocation Loc, int Level)
	Callback invoked when a #pragma warning(push) directive is read.

virtual void	PragmaWarningPop (SourceLocation Loc)
	Callback invoked when a #pragma warning(pop) directive is read.

virtual void	PragmaExecCharsetPush (SourceLocation Loc, StringRef Str)
	Callback invoked when a #pragma execution_character_set(push) directive is read.

virtual void	PragmaExecCharsetPop (SourceLocation Loc)
	Callback invoked when a #pragma execution_character_set(pop) directive is read.

virtual void	PragmaAssumeNonNullBegin (SourceLocation Loc)
	Callback invoked when a #pragma clang assume_nonnull begin directive is read.

virtual void	PragmaAssumeNonNullEnd (SourceLocation Loc)
	Callback invoked when a #pragma clang assume_nonnull end directive is read.

virtual void	MacroExpands (const Token &MacroNameTok, const MacroDefinition &MD, SourceRange Range, const MacroArgs *Args)
	Called by Preprocessor::HandleMacroExpandedIdentifier when a macro invocation is found.

virtual void	MacroDefined (const Token &MacroNameTok, const MacroDirective *MD)
	Hook called whenever a macro definition is seen.

virtual void	MacroUndefined (const Token &MacroNameTok, const MacroDefinition &MD, const MacroDirective *Undef)
	Hook called whenever a macro #undef is seen.

virtual void	Defined (const Token &MacroNameTok, const MacroDefinition &MD, SourceRange Range)
	Hook called whenever the 'defined' operator is seen.

virtual void	HasEmbed (SourceLocation Loc, StringRef FileName, bool IsAngled, OptionalFileEntryRef File)
	Hook called when a '__has_embed' directive is read.

virtual void	HasInclude (SourceLocation Loc, StringRef FileName, bool IsAngled, OptionalFileEntryRef File, SrcMgr::CharacteristicKind FileType)
	Hook called when a '__has_include' or '__has_include_next' directive is read.

virtual void	SourceRangeSkipped (SourceRange Range, SourceLocation EndifLoc)
	Hook called when a source range is skipped.

virtual void	If (SourceLocation Loc, SourceRange ConditionRange, ConditionValueKind ConditionValue)
	Hook called whenever an #if is seen.

virtual void	Elif (SourceLocation Loc, SourceRange ConditionRange, ConditionValueKind ConditionValue, SourceLocation IfLoc)
	Hook called whenever an #elif is seen.

virtual void	Ifdef (SourceLocation Loc, const Token &MacroNameTok, const MacroDefinition &MD)
	Hook called whenever an #ifdef is seen.

virtual void	Elifdef (SourceLocation Loc, const Token &MacroNameTok, const MacroDefinition &MD)
	Hook called whenever an #elifdef branch is taken.

virtual void	Elifdef (SourceLocation Loc, SourceRange ConditionRange, SourceLocation IfLoc)
	Hook called whenever an #elifdef is skipped.

virtual void	Ifndef (SourceLocation Loc, const Token &MacroNameTok, const MacroDefinition &MD)
	Hook called whenever an #ifndef is seen.

virtual void	Elifndef (SourceLocation Loc, const Token &MacroNameTok, const MacroDefinition &MD)
	Hook called whenever an #elifndef branch is taken.

virtual void	Elifndef (SourceLocation Loc, SourceRange ConditionRange, SourceLocation IfLoc)
	Hook called whenever an #elifndef is skipped.

virtual void	Else (SourceLocation Loc, SourceLocation IfLoc)
	Hook called whenever an #else is seen.

virtual void	Endif (SourceLocation Loc, SourceLocation IfLoc)
	Hook called whenever an #endif is seen.

Friends
class	ASTReader

class	ASTWriter

Additional Inherited Members
Public Types inherited from clang::PPCallbacks
enum	FileChangeReason { EnterFile , ExitFile , SystemHeaderPragma , RenameFile }

enum class	LexedFileChangeReason { EnterFile , ExitFile }

enum	PragmaMessageKind { PMK_Message , PMK_Warning , PMK_Error }
	Determines the kind of #pragma invoking a call to PragmaMessage. More...

enum	PragmaWarningSpecifier { PWS_Default , PWS_Disable , PWS_Error , PWS_Once , PWS_Suppress , PWS_Level1 , PWS_Level2 , PWS_Level3 , PWS_Level4 }
	Callback invoked when a #pragma warning directive is read. More...

enum	ConditionValueKind { CVK_NotEvaluated , CVK_False , CVK_True }

Detailed Description

A record of the steps taken while preprocessing a source file, including the various preprocessing directives processed, macros expanded, etc.

Definition at line 308 of file PreprocessingRecord.h.

Constructor & Destructor Documentation

◆ PreprocessingRecord()

PreprocessingRecord::PreprocessingRecord ( SourceManager & SM )

explicit

Construct a new preprocessing record.

Definition at line 52 of file PreprocessingRecord.cpp.

Member Function Documentation

◆ addPreprocessedEntity()

PreprocessingRecord::PPEntityID PreprocessingRecord::addPreprocessedEntity ( PreprocessedEntity * Entity )

Add a new preprocessed entity to this record.

Definition at line 249 of file PreprocessingRecord.cpp.

References Begin, clang::SourceRange::getBegin(), clang::PreprocessedEntity::getSourceRange(), and clang::SourceManager::isBeforeInTranslationUnit().

◆ Allocate()

void * clang::PreprocessingRecord::Allocate	(	unsigned	Size,
		unsigned	Align = `8`
	)

inline

Allocate memory in the preprocessing record.

Definition at line 403 of file PreprocessingRecord.h.

Referenced by clang::InclusionDirective::InclusionDirective().

◆ begin()

iterator clang::PreprocessingRecord::begin ( )

inline

Begin iterator for all preprocessed entities.

Definition at line 455 of file PreprocessingRecord.h.

◆ Deallocate()

void clang::PreprocessingRecord::Deallocate ( void * Ptr )

inline

Deallocate memory in the preprocessing record.

Definition at line 408 of file PreprocessingRecord.h.

◆ end()

iterator clang::PreprocessingRecord::end ( )

inline

End iterator for all preprocessed entities.

Definition at line 460 of file PreprocessingRecord.h.

Referenced by getIteratorsForLoadedRange().

◆ findMacroDefinition()

MacroDefinitionRecord * PreprocessingRecord::findMacroDefinition ( const MacroInfo * MI )

Retrieve the macro definition that corresponds to the given MacroInfo.

Definition at line 380 of file PreprocessingRecord.cpp.

◆ getExternalSource()

ExternalPreprocessingRecordSource * clang::PreprocessingRecord::getExternalSource ( ) const

inline

Retrieve the external source for preprocessed entities.

Definition at line 508 of file PreprocessingRecord.h.

◆ getIteratorsForLoadedRange()

llvm::iterator_range< iterator > clang::PreprocessingRecord::getIteratorsForLoadedRange	(	unsigned	start,
		unsigned	count
	)

inline

iterator range for the given range of loaded preprocessed entities.

Definition at line 476 of file PreprocessingRecord.h.

References end().

◆ getPreprocessedEntitiesInRange()

llvm::iterator_range< PreprocessingRecord::iterator > PreprocessingRecord::getPreprocessedEntitiesInRange ( SourceRange R )

Returns a range of preprocessed entities that source range R encompasses.

Returns a pair of [Begin, End) iterators of preprocessed entities that source range Range encompasses.

Parameters

R	the range to look for preprocessed entities.

Definition at line 57 of file PreprocessingRecord.cpp.

References clang::SourceRange::isInvalid(), and Range.

◆ getSkippedRanges()

const std::vector< SourceRange > & clang::PreprocessingRecord::getSkippedRanges ( )

inline

Retrieve all ranges that got skipped while preprocessing.

Definition at line 517 of file PreprocessingRecord.h.

◆ getSourceManager()

SourceManager & clang::PreprocessingRecord::getSourceManager ( ) const

inline

Definition at line 412 of file PreprocessingRecord.h.

◆ getTotalMemory()

size_t PreprocessingRecord::getTotalMemory ( ) const

Definition at line 512 of file PreprocessingRecord.cpp.

◆ isEntityInFileID()

bool PreprocessingRecord::isEntityInFileID	(	iterator	PPEI,
		FileID	FID
	)

Returns true if the preprocessed entity that PPEI iterator points to is coming from the file FID.

Returns true if the preprocessed entity that.

Can be used to avoid implicit deserializations of preallocated preprocessed entities if we only care about entities of a specific file and not from files #included in the range given at

See also: getPreprocessedEntitiesInRange.

PPEI iterator points to is coming from the file
FID.

Can be used to avoid implicit deserializations of preallocated preprocessed entities if we only care about entities of a specific file and not from files #included in the range given at

See also: getPreprocessedEntitiesInRange.

Definition at line 95 of file PreprocessingRecord.cpp.

References clang::FileID::isInvalid(), and isPreprocessedEntityIfInFileID().

◆ local_begin()

iterator clang::PreprocessingRecord::local_begin ( )

inline

Begin iterator for local, non-loaded, preprocessed entities.

Definition at line 465 of file PreprocessingRecord.h.

◆ local_end()

iterator clang::PreprocessingRecord::local_end ( )

inline

End iterator for local, non-loaded, preprocessed entities.

Definition at line 470 of file PreprocessingRecord.h.

◆ SetExternalSource()

void PreprocessingRecord::SetExternalSource ( ExternalPreprocessingRecordSource & Source )

Set the external source for preprocessed entities.

Definition at line 310 of file PreprocessingRecord.cpp.

Friends And Related Function Documentation

◆ ASTReader

friend class ASTReader

friend

Definition at line 523 of file PreprocessingRecord.h.

◆ ASTWriter

friend class ASTWriter

friend

Definition at line 524 of file PreprocessingRecord.h.

Member Data Documentation

◆ Range

SourceRange clang::PreprocessingRecord::Range

Definition at line 563 of file PreprocessingRecord.h.

Referenced by getPreprocessedEntitiesInRange().

◆ Result

std::pair<int, int> clang::PreprocessingRecord::Result

Definition at line 564 of file PreprocessingRecord.h.

The documentation for this class was generated from the following files:

include/clang/Lex/PreprocessingRecord.h
lib/Lex/PreprocessingRecord.cpp

Classes

Public Member Functions

Friends

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ PreprocessingRecord()

Member Function Documentation

◆ addPreprocessedEntity()

◆ Allocate()

◆ begin()

◆ Deallocate()

◆ end()

◆ findMacroDefinition()

◆ getExternalSource()

◆ getIteratorsForLoadedRange()

◆ getPreprocessedEntitiesInRange()

◆ getSkippedRanges()

◆ getSourceManager()

◆ getTotalMemory()

◆ isEntityInFileID()

◆ local_begin()

◆ local_end()

◆ SetExternalSource()

Friends And Related Function Documentation

◆ ASTReader

◆ ASTWriter

Member Data Documentation

◆ Range

◆ Result