clang::Preprocessor Class Reference

Engages in a tight little dance with the lexer to efficiently preprocess tokens. More...

#include "clang/Lex/Preprocessor.h"

Collaboration diagram for clang::Preprocessor:

Classes
struct	PreambleSkipInfo
class	ResetMacroExpansionHelper

Public Types
using	IncludedFilesSet = llvm::DenseSet< const FileEntry * >

Public Member Functions
	Preprocessor (std::shared_ptr< PreprocessorOptions > PPOpts, DiagnosticsEngine &diags, LangOptions &opts, SourceManager &SM, HeaderSearch &Headers, ModuleLoader &TheModuleLoader, IdentifierInfoLookup *IILookup=nullptr, bool OwnsHeaderSearch=false, TranslationUnitKind TUKind=TU_Complete)
	~Preprocessor ()
void	Initialize (const TargetInfo &Target, const TargetInfo *AuxTarget=nullptr)
	Initialize the preprocessor using information about the target. More...
void	InitializeForModelFile ()
	Initialize the preprocessor to parse a model file. More...
void	FinalizeForModelFile ()
	Cleanup after model file parsing. More...
PreprocessorOptions &	getPreprocessorOpts () const
	Retrieve the preprocessor options used to initialize this preprocessor. More...
DiagnosticsEngine &	getDiagnostics () const
void	setDiagnostics (DiagnosticsEngine &D)
const LangOptions &	getLangOpts () const
const TargetInfo &	getTargetInfo () const
const TargetInfo *	getAuxTargetInfo () const
FileManager &	getFileManager () const
SourceManager &	getSourceManager () const
HeaderSearch &	getHeaderSearchInfo () const
IdentifierTable &	getIdentifierTable ()
const IdentifierTable &	getIdentifierTable () const
SelectorTable &	getSelectorTable ()
Builtin::Context &	getBuiltinInfo ()
llvm::BumpPtrAllocator &	getPreprocessorAllocator ()
void	setExternalSource (ExternalPreprocessorSource *Source)
ExternalPreprocessorSource *	getExternalSource () const
ModuleLoader &	getModuleLoader () const
	Retrieve the module loader associated with this preprocessor. More...
bool	hadModuleLoaderFatalFailure () const
unsigned	getNumDirectives () const
	Retrieve the number of Directives that have been processed by the Preprocessor. More...
bool	isParsingIfOrElifDirective () const
	True if we are currently preprocessing a if or #elif directive. More...
void	SetCommentRetentionState (bool KeepComments, bool KeepMacroComments)
	Control whether the preprocessor retains comments in output. More...
bool	getCommentRetentionState () const
void	setPragmasEnabled (bool Enabled)
bool	getPragmasEnabled () const
void	SetSuppressIncludeNotFoundError (bool Suppress)
bool	GetSuppressIncludeNotFoundError ()
void	setPreprocessedOutput (bool IsPreprocessedOutput)
	Sets whether the preprocessor is responsible for producing output or if it is producing tokens to be consumed by Parse and Sema. More...
bool	isPreprocessedOutput () const
	Returns true if the preprocessor is responsible for generating output, false if it is producing tokens to be consumed by Parse and Sema. More...
bool	isCurrentLexer (const PreprocessorLexer *L) const
	Return true if we are lexing directly from the specified lexer. More...
PreprocessorLexer *	getCurrentLexer () const
	Return the current lexer being lexed from. More...
PreprocessorLexer *	getCurrentFileLexer () const
	Return the current file lexer being lexed from. More...
Module *	getCurrentLexerSubmodule () const
	Return the submodule owning the file being lexed. More...
FileID	getPredefinesFileID () const
	Returns the FileID for the preprocessor predefines. More...
unsigned	getTokenCount () const
	Get the number of tokens processed so far. More...
unsigned	getMaxTokens () const
	Get the max number of tokens before issuing a -Wmax-tokens warning. More...
void	overrideMaxTokens (unsigned Value, SourceLocation Loc)
SourceLocation	getMaxTokensOverrideLoc () const
void	setTokenWatcher (llvm::unique_function< void(const clang::Token &)> F)
	Register a function that would be called on each token in the final expanded token stream. More...
void	setPreprocessToken (bool Preprocess)
bool	isMacroDefined (StringRef Id)
bool	isMacroDefined (const IdentifierInfo *II)
bool	isMacroDefinedInLocalModule (const IdentifierInfo *II, Module *M)
	Determine whether II is defined as a macro within the module M, if that is a module that we've already preprocessed. More...
MacroDefinition	getMacroDefinition (const IdentifierInfo *II)
MacroDefinition	getMacroDefinitionAtLoc (const IdentifierInfo *II, SourceLocation Loc)
MacroDirective *	getLocalMacroDirective (const IdentifierInfo *II) const
	Given an identifier, return its latest non-imported MacroDirective if it is #define'd and not #undef'd, or null if it isn't #define'd. More...
const MacroInfo *	getMacroInfo (const IdentifierInfo *II) const
MacroInfo *	getMacroInfo (const IdentifierInfo *II)
MacroDirective *	getLocalMacroDirectiveHistory (const IdentifierInfo *II) const
	Given an identifier, return the latest non-imported macro directive for that identifier. More...
void	appendMacroDirective (IdentifierInfo *II, MacroDirective *MD)
	Add a directive to the macro directive history for this identifier. More...
DefMacroDirective *	appendDefMacroDirective (IdentifierInfo *II, MacroInfo *MI, SourceLocation Loc)
DefMacroDirective *	appendDefMacroDirective (IdentifierInfo *II, MacroInfo *MI)
void	setLoadedMacroDirective (IdentifierInfo *II, MacroDirective *ED, MacroDirective *MD)
	Set a MacroDirective that was loaded from a PCH file. More...
ModuleMacro *	addModuleMacro (Module *Mod, IdentifierInfo *II, MacroInfo *Macro, ArrayRef< ModuleMacro * > Overrides, bool &IsNew)
	Register an exported macro for a module and identifier. More...
ModuleMacro *	getModuleMacro (Module *Mod, const IdentifierInfo *II)
ArrayRef< ModuleMacro * >	getLeafModuleMacros (const IdentifierInfo *II) const
	Get the list of leaf (non-overridden) module macros for a name. More...
ArrayRef< BuildingSubmoduleInfo >	getBuildingSubmodules () const
	Get the list of submodules that we're currently building. More...
void	markModuleAsAffecting (Module *M)
	Mark the given module as affecting the current module or translation unit. More...
const llvm::SmallSetVector< Module *, 2 > &	getAffectingModules () const
	Get the set of top-level modules that affected preprocessing, but were not imported. More...
bool	markIncluded (const FileEntry *File)
	Mark the file as included. More...
bool	alreadyIncluded (const FileEntry *File) const
	Return true if this header has already been included. More...
IncludedFilesSet &	getIncludedFiles ()
	Get the set of included files. More...
const IncludedFilesSet &	getIncludedFiles () const
StringRef	getLastMacroWithSpelling (SourceLocation Loc, ArrayRef< TokenValue > Tokens) const
	Return the name of the macro defined before Loc that has spelling Tokens. More...
const std::string &	getPredefines () const
	Get the predefines for this processor. More...
void	setPredefines (std::string P)
	Set the predefines for this Preprocessor. More...
IdentifierInfo *	getIdentifierInfo (StringRef Name) const
	Return information about the specified preprocessor identifier token. More...
void	AddPragmaHandler (StringRef Namespace, PragmaHandler *Handler)
	Add the specified pragma handler to this preprocessor. More...
void	AddPragmaHandler (PragmaHandler *Handler)
void	RemovePragmaHandler (StringRef Namespace, PragmaHandler *Handler)
	Remove the specific pragma handler from this preprocessor. More...
void	RemovePragmaHandler (PragmaHandler *Handler)
void	IgnorePragmas ()
	Install empty handlers for all pragmas (making them ignored). More...
void	setEmptylineHandler (EmptylineHandler *Handler)
	Set empty line handler. More...
EmptylineHandler *	getEmptylineHandler () const
void	addCommentHandler (CommentHandler *Handler)
	Add the specified comment handler to the preprocessor. More...
void	removeCommentHandler (CommentHandler *Handler)
	Remove the specified comment handler. More...
void	setCodeCompletionHandler (CodeCompletionHandler &Handler)
	Set the code completion handler to the given object. More...
CodeCompletionHandler *	getCodeCompletionHandler () const
	Retrieve the current code-completion handler. More...
void	clearCodeCompletionHandler ()
	Clear out the code completion handler. More...
void	CodeCompleteIncludedFile (llvm::StringRef Dir, bool IsAngled)
	Hook used by the lexer to invoke the "included file" code completion point. More...
void	CodeCompleteNaturalLanguage ()
	Hook used by the lexer to invoke the "natural language" code completion point. More...
void	setCodeCompletionIdentifierInfo (IdentifierInfo *Filter)
	Set the code completion token for filtering purposes. More...
void	setCodeCompletionTokenRange (const SourceLocation Start, const SourceLocation End)
	Set the code completion token range for detecting replacement range later on. More...
SourceRange	getCodeCompletionTokenRange () const
StringRef	getCodeCompletionFilter ()
	Get the code completion token for filtering purposes. More...
PreprocessingRecord *	getPreprocessingRecord () const
	Retrieve the preprocessing record, or NULL if there is no preprocessing record. More...
void	createPreprocessingRecord ()
	Create a new preprocessing record, which will keep track of all macro expansions, macro definitions, etc. More...
bool	isPCHThroughHeader (const FileEntry *FE)
	Returns true if the FileEntry is the PCH through header. More...
bool	creatingPCHWithThroughHeader ()
	True if creating a PCH with a through header. More...
bool	usingPCHWithThroughHeader ()
	True if using a PCH with a through header. More...
bool	creatingPCHWithPragmaHdrStop ()
	True if creating a PCH with a #pragma hdrstop. More...
bool	usingPCHWithPragmaHdrStop ()
	True if using a PCH with a #pragma hdrstop. More...
void	SkipTokensWhileUsingPCH ()
	Skip tokens until after the include of the through header or until after a #pragma hdrstop. More...
void	HandleSkippedDirectiveWhileUsingPCH (Token &Result, SourceLocation HashLoc)
	Process directives while skipping until the through header or #pragma hdrstop is found. More...
void	EnterMainSourceFile ()
	Enter the specified FileID as the main source file, which implicitly adds the builtin defines etc. More...
void	EndSourceFile ()
	Inform the preprocessor callbacks that processing is complete. More...
bool	EnterSourceFile (FileID FID, ConstSearchDirIterator Dir, SourceLocation Loc, bool IsFirstIncludeOfFile=true)
	Add a source file to the top of the include stack and start lexing tokens from it instead of the current buffer. More...
void	EnterMacro (Token &Tok, SourceLocation ILEnd, MacroInfo *Macro, MacroArgs *Args)
	Add a Macro to the top of the include stack and start lexing tokens from it instead of the current buffer. More...
void	EnterTokenStream (std::unique_ptr< Token[]> Toks, unsigned NumToks, bool DisableMacroExpansion, bool IsReinject)
void	EnterTokenStream (ArrayRef< Token > Toks, bool DisableMacroExpansion, bool IsReinject)
void	RemoveTopOfLexerStack ()
	Pop the current lexer/macro exp off the top of the lexer stack. More...
void	EnableBacktrackAtThisPos ()
	From the point that this method is called, and until CommitBacktrackedTokens() or Backtrack() is called, the Preprocessor keeps track of the lexed tokens so that a subsequent Backtrack() call will make the Preprocessor re-lex the same tokens. More...
void	CommitBacktrackedTokens ()
	Disable the last EnableBacktrackAtThisPos call. More...
void	Backtrack ()
	Make Preprocessor re-lex the tokens that were lexed since EnableBacktrackAtThisPos() was previously called. More...
bool	isBacktrackEnabled () const
	True if EnableBacktrackAtThisPos() was called and caching of tokens is on. More...
void	Lex (Token &Result)
	Lex the next token for this preprocessor. More...
bool	LexHeaderName (Token &Result, bool AllowMacroExpansion=true)
	Lex a token, forming a header-name token if possible. More...
bool	LexAfterModuleImport (Token &Result)
	Lex a token following the 'import' contextual keyword. More...
void	CollectPpImportSuffix (SmallVectorImpl< Token > &Toks)
	Collect the tokens of a C++20 pp-import-suffix. More...
void	makeModuleVisible (Module *M, SourceLocation Loc)
SourceLocation	getModuleImportLoc (Module *M) const
bool	LexStringLiteral (Token &Result, std::string &String, const char *DiagnosticTag, bool AllowMacroExpansion)
	Lex a string literal, which may be the concatenation of multiple string literals and may even come from macro expansion. More...
bool	FinishLexStringLiteral (Token &Result, std::string &String, const char *DiagnosticTag, bool AllowMacroExpansion)
	Complete the lexing of a string literal where the first token has already been lexed (see LexStringLiteral). More...
void	LexNonComment (Token &Result)
	Lex a token. More...
void	LexUnexpandedToken (Token &Result)
	Just like Lex, but disables macro expansion of identifier tokens. More...
void	LexUnexpandedNonComment (Token &Result)
	Like LexNonComment, but this disables macro expansion of identifier tokens. More...
bool	parseSimpleIntegerLiteral (Token &Tok, uint64_t &Value)
	Parses a simple integer literal to get its numeric value. More...
void	SetMacroExpansionOnlyInDirectives ()
	Disables macro expansion everywhere except for preprocessor directives. More...
const Token &	LookAhead (unsigned N)
	Peeks ahead N tokens and returns that token without consuming any tokens. More...
void	RevertCachedTokens (unsigned N)
	When backtracking is enabled and tokens are cached, this allows to revert a specific number of tokens. More...
void	EnterToken (const Token &Tok, bool IsReinject)
	Enters a token in the token stream to be lexed next. More...
void	AnnotateCachedTokens (const Token &Tok)
	We notify the Preprocessor that if it is caching tokens (because backtrack is enabled) it should replace the most recent cached tokens with the given annotation token. More...
SourceLocation	getLastCachedTokenLocation () const
	Get the location of the last cached token, suitable for setting the end location of an annotation token. More...
bool	IsPreviousCachedToken (const Token &Tok) const
	Whether Tok is the most recent token (CachedLexPos - 1) in CachedTokens. More...
void	ReplacePreviousCachedToken (ArrayRef< Token > NewToks)
	Replace token in CachedLexPos - 1 in CachedTokens by the tokens in NewToks. More...
void	ReplaceLastTokenWithAnnotation (const Token &Tok)
	Replace the last token with an annotation token. More...
void	EnterAnnotationToken (SourceRange Range, tok::TokenKind Kind, void *AnnotationVal)
	Enter an annotation token into the token stream. More...
bool	mightHavePendingAnnotationTokens ()
	Determine whether it's possible for a future call to Lex to produce an annotation token created by a previous call to EnterAnnotationToken. More...
void	TypoCorrectToken (const Token &Tok)
	Update the current token to represent the provided identifier, in order to cache an action performed by typo correction. More...
void	recomputeCurLexerKind ()
	Recompute the current lexer kind based on the CurLexer/ CurTokenLexer pointers. More...
bool	isIncrementalProcessingEnabled () const
	Returns true if incremental processing is enabled. More...
void	enableIncrementalProcessing (bool value=true)
	Enables the incremental processing. More...
bool	SetCodeCompletionPoint (const FileEntry *File, unsigned Line, unsigned Column)
	Specify the point at which code-completion will be performed. More...
bool	isCodeCompletionEnabled () const
	Determine if we are performing code completion. More...
SourceLocation	getCodeCompletionLoc () const
	Returns the location of the code-completion point. More...
SourceLocation	getCodeCompletionFileLoc () const
	Returns the start location of the file of code-completion point. More...
bool	isCodeCompletionReached () const
	Returns true if code-completion is enabled and we have hit the code-completion point. More...
void	setCodeCompletionReached ()
	Note that we hit the code-completion point. More...
std::pair< IdentifierInfo *, SourceLocation >	getPragmaARCCFCodeAuditedInfo () const
	The location of the currently-active #pragma clang arc_cf_code_audited begin. More...
void	setPragmaARCCFCodeAuditedInfo (IdentifierInfo *Ident, SourceLocation Loc)
	Set the location of the currently-active #pragma clang arc_cf_code_audited begin. More...
SourceLocation	getPragmaAssumeNonNullLoc () const
	The location of the currently-active #pragma clang assume_nonnull begin. More...
void	setPragmaAssumeNonNullLoc (SourceLocation Loc)
	Set the location of the currently-active #pragma clang assume_nonnull begin. More...
SourceLocation	getPreambleRecordedPragmaAssumeNonNullLoc () const
	Get the location of the recorded unterminated #pragma clang assume_nonnull begin in the preamble, if one exists. More...
void	setPreambleRecordedPragmaAssumeNonNullLoc (SourceLocation Loc)
	Record the location of the unterminated #pragma clang assume_nonnull begin in the preamble. More...
void	setMainFileDir (const DirectoryEntry *Dir)
	Set the directory in which the main file should be considered to have been found, if it is not a real file. More...
void	setSkipMainFilePreamble (unsigned Bytes, bool StartOfLine)
	Instruct the preprocessor to skip part of the main source file. More...
DiagnosticBuilder	Diag (SourceLocation Loc, unsigned DiagID) const
	Forwarding function for diagnostics. More...
DiagnosticBuilder	Diag (const Token &Tok, unsigned DiagID) const
StringRef	getSpelling (SourceLocation loc, SmallVectorImpl< char > &buffer, bool *invalid=nullptr) const
	Return the 'spelling' of the token at the given location; does not go up to the spelling location or down to the expansion location. More...
std::string	getSpelling (const Token &Tok, bool *Invalid=nullptr) const
	Return the 'spelling' of the Tok token. More...
unsigned	getSpelling (const Token &Tok, const char *&Buffer, bool *Invalid=nullptr) const
	Get the spelling of a token into a preallocated buffer, instead of as an std::string. More...
StringRef	getSpelling (const Token &Tok, SmallVectorImpl< char > &Buffer, bool *Invalid=nullptr) const
	Get the spelling of a token into a SmallVector. More...
bool	getRawToken (SourceLocation Loc, Token &Result, bool IgnoreWhiteSpace=false)
	Relex the token at the specified location. More...
char	getSpellingOfSingleCharacterNumericConstant (const Token &Tok, bool *Invalid=nullptr) const
	Given a Token Tok that is a numeric constant with length 1, return the character. More...
StringRef	getImmediateMacroName (SourceLocation Loc)
	Retrieve the name of the immediate macro expansion. More...
void	CreateString (StringRef Str, Token &Tok, SourceLocation ExpansionLocStart=SourceLocation(), SourceLocation ExpansionLocEnd=SourceLocation())
	Plop the specified string into a scratch buffer and set the specified token's location and length to it. More...
SourceLocation	SplitToken (SourceLocation TokLoc, unsigned Length)
	Split the first Length characters out of the token starting at TokLoc and return a location pointing to the split token. More...
SourceLocation	getLocForEndOfToken (SourceLocation Loc, unsigned Offset=0)
	Computes the source location just past the end of the token at this source location. More...
bool	isAtStartOfMacroExpansion (SourceLocation loc, SourceLocation *MacroBegin=nullptr) const
	Returns true if the given MacroID location points at the first token of the macro expansion. More...
bool	isAtEndOfMacroExpansion (SourceLocation loc, SourceLocation *MacroEnd=nullptr) const
	Returns true if the given MacroID location points at the last token of the macro expansion. More...
void	DumpToken (const Token &Tok, bool DumpFlags=false) const
	Print the token to stderr, used for debugging. More...
void	DumpLocation (SourceLocation Loc) const
void	DumpMacro (const MacroInfo &MI) const
void	dumpMacroInfo (const IdentifierInfo *II)
SourceLocation	AdvanceToTokenCharacter (SourceLocation TokStart, unsigned Char) const
	Given a location that specifies the start of a token, return a new location that specifies a character within the token. More...
void	IncrementPasteCounter (bool isFast)
	Increment the counters for the number of token paste operations performed. More...
void	PrintStats ()
size_t	getTotalMemory () const
void	HandleMicrosoftCommentPaste (Token &Tok)
	When the macro expander pastes together a comment (/##/) in Microsoft mode, this method handles updating the current state, returning the token on the next source line. More...
IdentifierInfo *	LookUpIdentifierInfo (Token &Identifier) const
	Given a tok::raw_identifier token, look up the identifier information for the token and install it into the token, updating the token kind accordingly. More...
void	SetPoisonReason (IdentifierInfo *II, unsigned DiagID)
	Specifies the reason for poisoning an identifier. More...
void	HandlePoisonedIdentifier (Token &Identifier)
	Display reason for poisoned identifier. More...
void	MaybeHandlePoisonedIdentifier (Token &Identifier)
void	PoisonSEHIdentifiers (bool Poison=true)
bool	HandleIdentifier (Token &Identifier)
	Callback invoked when the lexer reads an identifier and has filled in the tokens IdentifierInfo member. More...
bool	HandleEndOfFile (Token &Result, bool isEndOfMacro=false)
	Callback invoked when the lexer hits the end of the current file. More...
bool	HandleEndOfTokenLexer (Token &Result)
	Callback invoked when the current TokenLexer hits the end of its token stream. More...
void	HandleDirective (Token &Result)
	Callback invoked when the lexer sees a # token at the start of a line. More...
SourceLocation	CheckEndOfDirective (const char *DirType, bool EnableMacros=false)
	Ensure that the next token is a tok::eod token. More...
SourceRange	DiscardUntilEndOfDirective ()
	Read and discard all tokens remaining on the current line until the tok::eod token is found. More...
bool	SawDateOrTime () const
	Returns true if the preprocessor has seen a use of DATE or TIME in the file so far. More...
unsigned	getCounterValue () const
void	setCounterValue (unsigned V)
LangOptions::FPEvalMethodKind	getCurrentFPEvalMethod () const
LangOptions::FPEvalMethodKind	getTUFPEvalMethod () const
SourceLocation	getLastFPEvalPragmaLocation () const
LangOptions::FPEvalMethodKind	getLastFPEvalMethod () const
void	setLastFPEvalMethod (LangOptions::FPEvalMethodKind Val)
void	setCurrentFPEvalMethod (SourceLocation PragmaLoc, LangOptions::FPEvalMethodKind Val)
void	setTUFPEvalMethod (LangOptions::FPEvalMethodKind Val)
Module *	getCurrentModule ()
	Retrieves the module that we're currently building, if any. More...
Module *	getCurrentModuleImplementation ()
	Retrieves the module whose implementation we're current compiling, if any. More...
MacroInfo *	AllocateMacroInfo (SourceLocation L)
	Allocate a new MacroInfo object with the provided SourceLocation. More...
bool	GetIncludeFilenameSpelling (SourceLocation Loc, StringRef &Buffer)
	Turn the specified lexer token into a fully checked and spelled filename, e.g. More...
Optional< FileEntryRef >	LookupFile (SourceLocation FilenameLoc, StringRef Filename, bool isAngled, ConstSearchDirIterator FromDir, const FileEntry *FromFile, ConstSearchDirIterator *CurDir, SmallVectorImpl< char > *SearchPath, SmallVectorImpl< char > *RelativePath, ModuleMap::KnownHeader *SuggestedModule, bool *IsMapped, bool *IsFrameworkFound, bool SkipCache=false, bool OpenFile=true, bool CacheFailures=true)
	Given a "foo" or <foo> reference, look up the indicated file. More...
bool	isInPrimaryFile () const
	Return true if we're in the top-level file, not in a #include. More...
bool	LexOnOffSwitch (tok::OnOffSwitch &Result)
	Lex an on-off-switch (C99 6.10.6p2) and verify that it is followed by EOD. More...
bool	CheckMacroName (Token &MacroNameTok, MacroUse isDefineUndef, bool *ShadowFlag=nullptr)
void	EnterSubmodule (Module *M, SourceLocation ImportLoc, bool ForPragma)
Module *	LeaveSubmodule (bool ForPragma)
Module *	getModuleForLocation (SourceLocation Loc, bool AllowTextual)
	Find the module that owns the source or header file that Loc points to. More...
const FileEntry *	getHeaderToIncludeForDiagnostics (SourceLocation IncLoc, SourceLocation MLoc)
	We want to produce a diagnostic at location IncLoc concerning an unreachable effect at location MLoc (eg, where a desired entity was declared or defined). More...
bool	isRecordingPreamble () const
bool	hasRecordedPreamble () const
ArrayRef< PPConditionalInfo >	getPreambleConditionalStack () const
void	setRecordedPreambleConditionalStack (ArrayRef< PPConditionalInfo > s)
void	setReplayablePreambleConditionalStack (ArrayRef< PPConditionalInfo > s, llvm::Optional< PreambleSkipInfo > SkipInfo)
llvm::Optional< PreambleSkipInfo >	getPreambleSkipInfo () const
void	HandlePragmaOnce (Token &OnceTok)
	HandlePragmaOnce - Handle #pragma once. OnceTok is the 'once'. More...
void	HandlePragmaMark (Token &MarkTok)
void	HandlePragmaPoison ()
	HandlePragmaPoison - Handle #pragma GCC poison. PoisonTok is the 'poison'. More...
void	HandlePragmaSystemHeader (Token &SysHeaderTok)
	HandlePragmaSystemHeader - Implement #pragma GCC system_header. More...
void	HandlePragmaDependency (Token &DependencyTok)
	HandlePragmaDependency - Handle #pragma GCC dependency "foo" blah. More...
void	HandlePragmaPushMacro (Token &Tok)
	Handle #pragma push_macro. More...
void	HandlePragmaPopMacro (Token &Tok)
	Handle #pragma pop_macro. More...
void	HandlePragmaIncludeAlias (Token &Tok)
void	HandlePragmaModuleBuild (Token &Tok)
void	HandlePragmaHdrstop (Token &Tok)
IdentifierInfo *	ParsePragmaPushOrPopMacro (Token &Tok)
	ParsePragmaPushOrPopMacro - Handle parsing of pragma push_macro/pop_macro. More...
bool	HandleComment (Token &result, SourceRange Comment)
void	markMacroAsUsed (MacroInfo *MI)
	A macro is used, update information about macros that need unused warnings. More...
void	addMacroDeprecationMsg (const IdentifierInfo *II, std::string Msg, SourceLocation AnnotationLoc)
void	addRestrictExpansionMsg (const IdentifierInfo *II, std::string Msg, SourceLocation AnnotationLoc)
void	addFinalLoc (const IdentifierInfo *II, SourceLocation AnnotationLoc)
const MacroAnnotations &	getMacroAnnotations (const IdentifierInfo *II) const
void	emitMacroExpansionWarnings (const Token &Identifier) const
PPCallbacks *	getPPCallbacks () const
void	addPPCallbacks (std::unique_ptr< PPCallbacks > C)

Static Public Member Functions
static bool	checkModuleIsAvailable (const LangOptions &LangOpts, const TargetInfo &TargetInfo, DiagnosticsEngine &Diags, Module *M)
	Check that the given module is available, producing a diagnostic if not. More...
static void	processPathForFileMacro (SmallVectorImpl< char > &Path, const LangOptions &LangOpts, const TargetInfo &TI)

Public Attributes
const TranslationUnitKind	TUKind
	The kind of translation unit we are processing. More...

Friends
class	VAOptDefinitionContext
class	VariadicMacroScopeGuard
class	ASTReader
class	MacroArgs
void	TokenLexer::ExpandFunctionArguments ()
using	macro_iterator = MacroMap::const_iterator
macro_iterator	macro_begin (bool IncludeExternalMacros=true) const
macro_iterator	macro_end (bool IncludeExternalMacros=true) const
llvm::iterator_range< macro_iterator >	macros (bool IncludeExternalMacros=true) const

Detailed Description

Engages in a tight little dance with the lexer to efficiently preprocess tokens.

Lexers know only about tokens within a single source file, and don't know anything about preprocessor-level issues like the #include stack, token expansion, etc.

Definition at line 129 of file Preprocessor.h.

Member Typedef Documentation

IncludedFilesSet

using clang::Preprocessor::IncludedFilesSet = llvm::DenseSet<const FileEntry *>

Definition at line 544 of file Preprocessor.h.

macro_iterator

using clang::Preprocessor::macro_iterator = MacroMap::const_iterator

Iterators for the macro history table. Currently defined macros have IdentifierInfo::hasMacroDefinition() set and an empty MacroInfo::getUndefLoc() at the head of the list.

Definition at line 1326 of file Preprocessor.h.

Constructor & Destructor Documentation

Preprocessor()

Preprocessor::Preprocessor	(	std::shared_ptr< PreprocessorOptions >	PPOpts,
		DiagnosticsEngine &	diags,
		LangOptions &	opts,
		SourceManager &	SM,
		HeaderSearch &	Headers,
		ModuleLoader &	TheModuleLoader,
		IdentifierInfoLookup *	IILookup = nullptr,
		bool	OwnsHeaderSearch = false,
		TranslationUnitKind	TUKind = TU_Complete
	)

Definition at line 78 of file Preprocessor.cpp.

~Preprocessor()

Preprocessor::~Preprocessor

(

)

Definition at line 163 of file Preprocessor.cpp.

Member Function Documentation

addCommentHandler()

void Preprocessor::addCommentHandler

(

CommentHandler *

Handler

)

Add the specified comment handler to the preprocessor.

Definition at line 1400 of file Preprocessor.cpp.

Referenced by clang::Parser::Parser(), and clang::CodeGen::CoverageMappingModuleGen::setUpCoverageCallbacks().

addFinalLoc()

void clang::Preprocessor::addFinalLoc ( const IdentifierInfo *  II, SourceLocation  AnnotationLoc  )

inline

Definition at line 2670 of file Preprocessor.h.

addMacroDeprecationMsg()

void clang::Preprocessor::addMacroDeprecationMsg ( const IdentifierInfo *  II, std::string  Msg, SourceLocation  AnnotationLoc  )

inline

Definition at line 2646 of file Preprocessor.h.

addModuleMacro()

ModuleMacro * Preprocessor::addModuleMacro	(	Module *	Mod,
		IdentifierInfo *	II,
		MacroInfo *	Macro,
		ArrayRef< ModuleMacro * >	Overrides,
		bool &	IsNew
	)

Register an exported macro for a module and identifier.

Definition at line 133 of file PPMacroExpansion.cpp.

References clang::ModuleMacro::create(), clang::ModuleMacro::Profile(), and clang::IdentifierInfo::setHasMacroDefinition().

Referenced by LeaveSubmodule().

addPPCallbacks()

void clang::Preprocessor::addPPCallbacks ( std::unique_ptr< PPCallbacks >  C )

inline

Definition at line 1171 of file Preprocessor.h.

Referenced by clang::AttachDependencyGraphGen(), clang::AttachHeaderIncludeGen(), clang::DependencyCollector::attachToPreprocessor(), clang::ModuleDependencyCollector::attachToPreprocessor(), clang::tooling::dependencies::ModuleDepCollector::attachToPreprocessor(), clang::ExtractAPIAction::CreateASTConsumer(), clang::arcmt::MigrateSourceAction::CreateASTConsumer(), clang::CodeGenAction::CreateASTConsumer(), clang::arcmt::ObjCMigrateAction::CreateASTConsumer(), createPreprocessingRecord(), clang::DoPrintPreprocessedInput(), clang::MacroExpansionContext::registerForPreprocessor(), clang::RewriteIncludesInInput(), clang::CodeGen::CoverageMappingModuleGen::setUpCoverageCallbacks(), and clang::syntax::TokenCollector::TokenCollector().

AddPragmaHandler() [1/2]

void clang::Preprocessor::AddPragmaHandler ( PragmaHandler *  Handler )

inline

Definition at line 1399 of file Preprocessor.h.

References AddPragmaHandler().

AddPragmaHandler() [2/2]

void Preprocessor::AddPragmaHandler	(	StringRef	Namespace,
		PragmaHandler *	Handler
	)

Add the specified pragma handler to this preprocessor.

AddPragmaHandler - Add the specified pragma handler to the preprocessor.

If Namespace is non-null, then it is a token required to exist on the pragma line before the pragma string starts, e.g. "STDC" or "GCC".

If 'Namespace' is non-null, then it is a token required to exist on the pragma line before the pragma string starts, e.g. "STDC" or "GCC".

Definition at line 903 of file Pragma.cpp.

References clang::PragmaNamespace::AddPragma(), clang::PragmaNamespace::FindHandler(), clang::PragmaNamespace::getIfNamespace(), and clang::PragmaHandler::getName().

Referenced by AddPragmaHandler(), clang::DoPrintPreprocessedInput(), and IgnorePragmas().

addRestrictExpansionMsg()

void clang::Preprocessor::addRestrictExpansionMsg ( const IdentifierInfo *  II, std::string  Msg, SourceLocation  AnnotationLoc  )

inline

Definition at line 2658 of file Preprocessor.h.

AdvanceToTokenCharacter()

SourceLocation clang::Preprocessor::AdvanceToTokenCharacter ( SourceLocation  TokStart, unsigned  Char  ) const

inline

Given a location that specifies the start of a token, return a new location that specifies a character within the token.

Definition at line 2063 of file Preprocessor.h.

References clang::Lexer::AdvanceToTokenCharacter().

Referenced by GetLineValue().

AllocateMacroInfo()

MacroInfo * Preprocessor::AllocateMacroInfo

(

SourceLocation

L

)

Allocate a new MacroInfo object with the provided SourceLocation.

Definition at line 59 of file PPDirectives.cpp.

alreadyIncluded()

bool clang::Preprocessor::alreadyIncluded ( const FileEntry *  File ) const

inline

Return true if this header has already been included.

Definition at line 1364 of file Preprocessor.h.

References clang::File.

Referenced by clang::HeaderSearch::ShouldEnterIncludeFile().

AnnotateCachedTokens()

void clang::Preprocessor::AnnotateCachedTokens ( const Token &  Tok )

inline

We notify the Preprocessor that if it is caching tokens (because backtrack is enabled) it should replace the most recent cached tokens with the given annotation token.

This function has no effect if backtracking is not enabled.

Note that the use of this function is just for optimization, so that the cached tokens doesn't get re-parsed and re-resolved after a backtrack is invoked.

Definition at line 1727 of file Preprocessor.h.

References clang::Token::isAnnotation(), and isBacktrackEnabled().

Referenced by clang::Parser::TryAnnotateTypeOrScopeToken(), and clang::Parser::TryAnnotateTypeOrScopeTokenAfterScopeSpec().

appendDefMacroDirective() [1/2]

DefMacroDirective* clang::Preprocessor::appendDefMacroDirective ( IdentifierInfo *  II, MacroInfo *  MI  )

inline

Definition at line 1293 of file Preprocessor.h.

References appendDefMacroDirective(), and clang::MacroInfo::getDefinitionLoc().

appendDefMacroDirective() [2/2]

DefMacroDirective* clang::Preprocessor::appendDefMacroDirective ( IdentifierInfo *  II, MacroInfo *  MI, SourceLocation  Loc  )

inline

Definition at line 1287 of file Preprocessor.h.

References appendMacroDirective().

Referenced by appendDefMacroDirective(), and HandlePragmaPopMacro().

appendMacroDirective()

void Preprocessor::appendMacroDirective	(	IdentifierInfo *	II,
		MacroDirective *	MD
	)

Add a directive to the macro directive history for this identifier.

Definition at line 72 of file PPMacroExpansion.cpp.

References clang::MacroDirective::getPrevious(), clang::MacroDirective::isDefined(), clang::IdentifierInfo::isFromAST(), clang::IdentifierInfo::setChangedSinceDeserialization(), clang::IdentifierInfo::setHasMacroDefinition(), and clang::MacroDirective::setPrevious().

Referenced by appendDefMacroDirective(), and HandlePragmaPopMacro().

Backtrack()

void Preprocessor::Backtrack

(

)

Make Preprocessor re-lex the tokens that were lexed since EnableBacktrackAtThisPos() was previously called.

Definition at line 40 of file PPCaching.cpp.

References recomputeCurLexerKind().

CheckEndOfDirective()

SourceLocation Preprocessor::CheckEndOfDirective	(	const char *	DirType,
		bool	EnableMacros = false
	)

Ensure that the next token is a tok::eod token.

If not, emit a diagnostic and consume up until the eod. If EnableMacros is true, then we consider macros that expand to zero tokens as being ok.

Returns

The location of the end of the directive (the terminating newline).

If not, emit a diagnostic and consume up until the eod. If EnableMacros is true, then we consider macros that expand to zero tokens as being ok.

Returns the location of the end of the directive.

Definition at line 416 of file PPDirectives.cpp.

References clang::FixItHint::CreateInsertion(), Diag(), DiscardUntilEndOfDirective(), clang::SourceRange::getEnd(), clang::Token::getLocation(), clang::Token::is(), Lex(), and LexUnexpandedToken().

CheckMacroName()

bool Preprocessor::CheckMacroName	(	Token &	MacroNameTok,
		MacroUse	isDefineUndef,
		bool *	ShadowFlag = nullptr
	)

Definition at line 315 of file PPDirectives.cpp.

References Diag(), clang::SourceManager::getBufferName(), clang::Token::getIdentifierInfo(), clang::Token::getKind(), getLangOpts(), clang::Token::getLocation(), getMacroInfo(), clang::IdentifierInfo::getPPKeywordID(), clang::Token::is(), clang::MacroInfo::isBuiltinMacro(), clang::IdentifierInfo::isCPlusPlusOperatorKeyword(), clang::SourceManager::isInSystemHeader(), MD_KeywordDef, MD_NoWarn, MD_ReservedMacro, clang::MU_Define, clang::MU_Other, clang::MU_Undef, shouldWarnOnMacroDef(), and shouldWarnOnMacroUndef().

Referenced by EvaluateDefined().

checkModuleIsAvailable()

bool Preprocessor::checkModuleIsAvailable ( const LangOptions &  LangOpts, const TargetInfo &  TargetInfo, DiagnosticsEngine &  Diags, Module *  M  )

static

Check that the given module is available, producing a diagnostic if not.

Returns

true if the check failed (because the module is not available). false if the module appears to be usable.

Definition at line 1888 of file PPDirectives.cpp.

Referenced by prepareToBuildModule().

clearCodeCompletionHandler()

void clang::Preprocessor::clearCodeCompletionHandler ( )

inline

Clear out the code completion handler.

Definition at line 1440 of file Preprocessor.h.

Referenced by clang::Parser::~Parser().

CodeCompleteIncludedFile()

void Preprocessor::CodeCompleteIncludedFile	(	llvm::StringRef	Dir,
		bool	IsAngled
	)

Hook used by the lexer to invoke the "included file" code completion point.

Definition at line 456 of file Preprocessor.cpp.

References clang::CodeCompletionHandler::CodeCompleteIncludedFile(), and setCodeCompletionReached().

CodeCompleteNaturalLanguage()

void Preprocessor::CodeCompleteNaturalLanguage

(

)

Hook used by the lexer to invoke the "natural language" code completion point.

Definition at line 463 of file Preprocessor.cpp.

References clang::CodeCompletionHandler::CodeCompleteNaturalLanguage(), and setCodeCompletionReached().

Referenced by clang::Lexer::ReadToEndOfLine().

CollectPpImportSuffix()

void Preprocessor::CollectPpImportSuffix

(

SmallVectorImpl< Token > &

Toks

)

Collect the tokens of a C++20 pp-import-suffix.

Definition at line 1092 of file Preprocessor.cpp.

References clang::comments::tok::eof, and Lex().

Referenced by LexAfterModuleImport().

CommitBacktrackedTokens()

void Preprocessor::CommitBacktrackedTokens

(

)

Disable the last EnableBacktrackAtThisPos call.

Definition at line 32 of file PPCaching.cpp.

createPreprocessingRecord()

void Preprocessor::createPreprocessingRecord

(

)

Create a new preprocessing record, which will keep track of all macro expansions, macro definitions, etc.

Definition at line 1478 of file Preprocessor.cpp.

References addPPCallbacks(), and getSourceManager().

CreateString()

void Preprocessor::CreateString	(	StringRef	Str,
		Token &	Tok,
		SourceLocation	ExpansionLocStart = SourceLocation(),
		SourceLocation	ExpansionLocEnd = SourceLocation()
	)

Plop the specified string into a scratch buffer and set the specified token's location and length to it.

CreateString - Plop the specified string into a scratch buffer and return a location for it.

If specified, the source location provides a location of the expansion point of the token.

If specified, the source location provides a source location for the token.

Definition at line 494 of file Preprocessor.cpp.

References clang::SourceManager::createExpansionLoc(), clang::Token::is(), clang::Token::isLiteral(), clang::SourceLocation::isValid(), clang::Token::setLength(), clang::Token::setLiteralData(), clang::Token::setLocation(), and clang::Token::setRawIdentifierData().

Referenced by ComputeDATE_TIME(), LexHeaderName(), and ParsePragmaPushOrPopMacro().

creatingPCHWithPragmaHdrStop()

bool Preprocessor::creatingPCHWithPragmaHdrStop

(

)

True if creating a PCH with a #pragma hdrstop.

Definition at line 632 of file Preprocessor.cpp.

References clang::TU_Prefix, and TUKind.

Referenced by HandlePragmaHdrstop().

creatingPCHWithThroughHeader()

bool Preprocessor::creatingPCHWithThroughHeader

(

)

True if creating a PCH with a through header.

Definition at line 622 of file Preprocessor.cpp.

References clang::FileID::isValid(), clang::TU_Prefix, and TUKind.

Referenced by HandleEndOfFile().

Diag() [1/2]

DiagnosticBuilder clang::Preprocessor::Diag ( const Token &  Tok, unsigned  DiagID  ) const

inline

Definition at line 1910 of file Preprocessor.h.

References clang::Token::getLocation(), and clang::DiagnosticsEngine::Report().

Diag() [2/2]

DiagnosticBuilder clang::Preprocessor::Diag ( SourceLocation  Loc, unsigned  DiagID  ) const

inline

Forwarding function for diagnostics.

This emits a diagnostic at the specified Token's location, translating the token's start position in the current buffer into a SourcePosition object for rendering.

Definition at line 1906 of file Preprocessor.h.

References clang::DiagnosticsEngine::Report().

Referenced by clang::Sema::ActOnNumericConstant(), buildMSAsmString(), clang::CharLiteralParser::CharLiteralParser(), checkConfigMacro(), CheckEndOfDirective(), CheckMacroName(), clang::Lexer::Diag(), diagnoseAutoModuleImport(), diagnoseUnexpectedOperator(), EnterMainSourceFile(), EnterSourceFile(), EvaluateDefined(), EvaluateDirectiveSubExpr(), EvaluateFeatureLikeBuiltinMacro(), EvaluateHasIncludeCommon(), EvaluateValue(), ExpectFeatureIdentifierInfo(), FinishLexStringLiteral(), GetIncludeFilenameSpelling(), GetLineValue(), HandleDirective(), HandleEndOfFile(), HandleIdentifier(), HandlePoisonedIdentifier(), clang::PragmaNamespace::HandlePragma(), HandlePragmaDependency(), HandlePragmaHdrstop(), HandlePragmaIncludeAlias(), HandlePragmaModuleBuild(), HandlePragmaOnce(), HandlePragmaPoison(), HandlePragmaPopMacro(), HandlePragmaSystemHeader(), LexAfterModuleImport(), LexHeaderName(), LexModuleNameComponent(), LexOnOffSwitch(), makeModuleVisible(), ParseAlignPragma(), ParseLoopHintValue(), ParsePragmaPushOrPopMacro(), clang::Parser::ParseTopLevelDecl(), ReadLineMarkerFlags(), and SkipTokensWhileUsingPCH().

DiscardUntilEndOfDirective()

SourceRange Preprocessor::DiscardUntilEndOfDirective

(

)

Read and discard all tokens remaining on the current line until the tok::eod token is found.

Returns the range of the skipped tokens.

Definition at line 83 of file PPDirectives.cpp.

References clang::comments::tok::eof, clang::Token::getLocation(), clang::Token::isNot(), LexUnexpandedToken(), clang::SourceRange::setBegin(), and clang::SourceRange::setEnd().

Referenced by CheckEndOfDirective(), GetLineValue(), HandleDirective(), HandlePragmaModuleBuild(), HandleSkippedDirectiveWhileUsingPCH(), and ReadLineMarkerFlags().

DumpLocation()

void Preprocessor::DumpLocation

(

SourceLocation

Loc

)

const

Definition at line 266 of file Preprocessor.cpp.

References clang::SourceLocation::print().

Referenced by DumpToken().

DumpMacro()

void Preprocessor::DumpMacro

(

const MacroInfo &

MI

)

const

Definition at line 270 of file Preprocessor.cpp.

References DumpToken(), clang::MacroInfo::getNumTokens(), and clang::MacroInfo::getReplacementToken().

dumpMacroInfo()

void Preprocessor::dumpMacroInfo

(

const IdentifierInfo *

II

)

Definition at line 259 of file PPMacroExpansion.cpp.

References clang::MacroInfo::dump(), clang::IdentifierInfo::getNameStart(), and State.

DumpToken()

void Preprocessor::DumpToken	(	const Token &	Tok,
		bool	DumpFlags = false
	)		const

Print the token to stderr, used for debugging.

Definition at line 240 of file Preprocessor.cpp.

References DumpLocation(), clang::SourceManager::getCharacterData(), clang::Token::getKind(), clang::Token::getLength(), clang::Token::getLocation(), getSpelling(), clang::tok::getTokenName(), clang::Token::hasLeadingSpace(), clang::Token::isAnnotation(), clang::Token::isAtStartOfLine(), clang::Token::isExpandDisabled(), and clang::Token::needsCleaning().

Referenced by DumpMacro(), clang::DumpRawTokensAction::ExecuteAction(), and clang::DumpTokensAction::ExecuteAction().

emitMacroExpansionWarnings()

void clang::Preprocessor::emitMacroExpansionWarnings ( const Token &  Identifier ) const

inline

Definition at line 2683 of file Preprocessor.h.

References Identifier.

Referenced by EvaluateDefined().

EnableBacktrackAtThisPos()

void Preprocessor::EnableBacktrackAtThisPos

(

)

From the point that this method is called, and until CommitBacktrackedTokens() or Backtrack() is called, the Preprocessor keeps track of the lexed tokens so that a subsequent Backtrack() call will make the Preprocessor re-lex the same tokens.

Nested backtracks are allowed, meaning that EnableBacktrackAtThisPos can be called multiple times and CommitBacktrackedTokens/Backtrack calls will be combined with the EnableBacktrackAtThisPos calls in reverse order.

NOTE: DO NOT forget to call either CommitBacktrackedTokens or Backtrack at some point after EnableBacktrackAtThisPos. If you don't, caching of tokens will continue indefinitely.

Definition at line 25 of file PPCaching.cpp.

enableIncrementalProcessing()

void clang::Preprocessor::enableIncrementalProcessing ( bool  value = true )

inline

Enables the incremental processing.

Definition at line 1791 of file Preprocessor.h.

Referenced by clang::IncrementalAction::ExecuteAction().

EndSourceFile()

void Preprocessor::EndSourceFile

(

)

Inform the preprocessor callbacks that processing is complete.

Definition at line 705 of file Preprocessor.cpp.

Referenced by clang::FrontendAction::EndSourceFile().

EnterAnnotationToken()

void Preprocessor::EnterAnnotationToken	(	SourceRange	Range,
		tok::TokenKind	Kind,
		void *	AnnotationVal
	)

Enter an annotation token into the token stream.

Push a token onto the token stream containing an annotation.

Definition at line 1801 of file PPDirectives.cpp.

References clang::Token::setAnnotationEndLoc(), clang::Token::setAnnotationValue(), clang::Token::setKind(), clang::Token::setLocation(), and clang::Token::startToken().

EnterMacro()

void Preprocessor::EnterMacro	(	Token &	Tok,
		SourceLocation	ILEnd,
		MacroInfo *	Macro,
		MacroArgs *	Args
	)

Add a Macro to the top of the include stack and start lexing tokens from it instead of the current buffer.

EnterMacro - Add a Macro to the top of the include stack and start lexing tokens from it instead of the current buffer.

Parameters

Args	specifies the tokens input to a function-like macro.
ILEnd	specifies the location of the ')' for a function-like macro or the identifier for an object-like macro.

Definition at line 150 of file PPLexerChange.cpp.

EnterMainSourceFile()

void Preprocessor::EnterMainSourceFile

(

)

Enter the specified FileID as the main source file, which implicitly adds the builtin defines etc.

EnterMainSourceFile - Enter the specified FileID as the main source file, which implicitly adds the builtin defines etc.

Definition at line 550 of file Preprocessor.cpp.

References clang::SrcMgr::C_User, clang::SourceManager::createFileID(), Diag(), EnterSourceFile(), clang::File, clang::SourceManager::getFileEntryForID(), clang::SourceManager::getMainFileID(), clang::SourceManager::isLoadedFileID(), clang::FileID::isValid(), LookupFile(), markIncluded(), SkipTokensWhileUsingPCH(), usingPCHWithPragmaHdrStop(), and usingPCHWithThroughHeader().

Referenced by DoPrintMacros(), clang::DoPrintPreprocessedInput(), clang::IncrementalAction::ExecuteAction(), clang::DumpTokensAction::ExecuteAction(), clang::PreprocessOnlyAction::ExecuteAction(), clang::RewriteIncludesInInput(), and clang::RewriteMacrosInInput().

EnterSourceFile()

bool Preprocessor::EnterSourceFile	(	FileID	FID,
		ConstSearchDirIterator	Dir,
		SourceLocation	Loc,
		bool	IsFirstIncludeOfFile = true
	)

Add a source file to the top of the include stack and start lexing tokens from it instead of the current buffer.

EnterSourceFile - Add a source file to the top of the include stack and start lexing tokens from it instead of the current buffer.

Emits a diagnostic, doesn't enter the file, and returns true on error.

Definition at line 68 of file PPLexerChange.cpp.

References Diag(), clang::File, clang::SourceManager::getBufferName(), clang::SourceManager::getBufferOrNone(), clang::SourceManager::getFileEntryForID(), clang::SourceManager::getFileEntryRefForID(), clang::SourceManager::getLocForStartOfFile(), clang::SourceLocation::getLocWithOffset(), getPreprocessorOpts(), getSourceManager(), isCodeCompletionEnabled(), and string().

Referenced by EnterMainSourceFile().

EnterSubmodule()

void Preprocessor::EnterSubmodule	(	Module *	M,
		SourceLocation	ImportLoc,
		bool	ForPragma
	)

Definition at line 684 of file PPLexerChange.cpp.

References getHeaderSearchInfo(), getLangOpts(), clang::HeaderSearch::getModuleMap(), makeModuleVisible(), clang::ModuleMap::resolveConflicts(), clang::ModuleMap::resolveExports(), clang::ModuleMap::resolveUses(), and State.

EnterToken()

void clang::Preprocessor::EnterToken ( const Token &  Tok, bool  IsReinject  )

inline

Enters a token in the token stream to be lexed next.

If BackTrack() is called afterwards, the token will remain at the insertion point. If IsReinject is true, resulting token will have Token::IsReinjected flag set. See the flag documentation for details.

Definition at line 1705 of file Preprocessor.h.

Referenced by FixDigraph(), and clang::Parser::TryAnnotateTypeOrScopeToken().

EnterTokenStream() [1/2]

void clang::Preprocessor::EnterTokenStream ( ArrayRef< Token >  Toks, bool  DisableMacroExpansion, bool  IsReinject  )

inline

Definition at line 1555 of file Preprocessor.h.

EnterTokenStream() [2/2]

void clang::Preprocessor::EnterTokenStream ( std::unique_ptr< Token[]>  Toks, unsigned  NumToks, bool  DisableMacroExpansion, bool  IsReinject  )

inline

Definition at line 1549 of file Preprocessor.h.

FinalizeForModelFile()

void Preprocessor::FinalizeForModelFile

(

)

Cleanup after model file parsing.

Definition at line 234 of file Preprocessor.cpp.

FinishLexStringLiteral()

bool Preprocessor::FinishLexStringLiteral	(	Token &	Result,
		std::string &	String,
		const char *	DiagnosticTag,
		bool	AllowMacroExpansion
	)

Complete the lexing of a string literal where the first token has already been lexed (see LexStringLiteral).

Definition at line 1339 of file Preprocessor.cpp.

References Diag(), Lex(), LexUnexpandedToken(), and string().

Referenced by LexStringLiteral().

getAffectingModules()

const llvm::SmallSetVector<Module *, 2>& clang::Preprocessor::getAffectingModules ( ) const

inline

Get the set of top-level modules that affected preprocessing, but were not imported.

Definition at line 1352 of file Preprocessor.h.

Referenced by clang::tooling::dependencies::ModuleDepCollectorPP::EndOfMainFile().

getAuxTargetInfo()

const TargetInfo* clang::Preprocessor::getAuxTargetInfo ( ) const

inline

Definition at line 1075 of file Preprocessor.h.

getBuildingSubmodules()

ArrayRef<BuildingSubmoduleInfo> clang::Preprocessor::getBuildingSubmodules ( ) const

inline

Get the list of submodules that we're currently building.

Definition at line 1318 of file Preprocessor.h.

getBuiltinInfo()

Builtin::Context& clang::Preprocessor::getBuiltinInfo ( )

inline

Definition at line 1083 of file Preprocessor.h.

Referenced by clang::FrontendAction::BeginSourceFile(), clang::CompilerInstance::createASTContext(), and clang::createChainedIncludesSource().

getCodeCompletionFileLoc()

SourceLocation clang::Preprocessor::getCodeCompletionFileLoc ( ) const

inline

Returns the start location of the file of code-completion point.

Returns an invalid location if code-completion is not enabled or the file containing the code-completion point has not been lexed yet.

Definition at line 1825 of file Preprocessor.h.

getCodeCompletionFilter()

StringRef clang::Preprocessor::getCodeCompletionFilter ( )

inline

Get the code completion token for filtering purposes.

Definition at line 1468 of file Preprocessor.h.

getCodeCompletionHandler()

CodeCompletionHandler* clang::Preprocessor::getCodeCompletionHandler ( ) const

inline

Retrieve the current code-completion handler.

Definition at line 1435 of file Preprocessor.h.

Referenced by EvaluateDefined(), and EvaluateValue().

getCodeCompletionLoc()

SourceLocation clang::Preprocessor::getCodeCompletionLoc ( ) const

inline

Returns the location of the code-completion point.

Returns an invalid location if code-completion is not enabled or the file containing the code-completion point has not been lexed yet.

Definition at line 1819 of file Preprocessor.h.

getCodeCompletionTokenRange()

SourceRange clang::Preprocessor::getCodeCompletionTokenRange ( ) const

inline

Definition at line 1463 of file Preprocessor.h.

getCommentRetentionState()

bool clang::Preprocessor::getCommentRetentionState ( ) const

inline

Definition at line 1118 of file Preprocessor.h.

Referenced by HandleComment(), PrintPreprocessedTokens(), and clang::Lexer::resetExtendedTokenMode().

getCounterValue()

unsigned clang::Preprocessor::getCounterValue ( ) const

inline

Definition at line 2188 of file Preprocessor.h.

getCurrentFileLexer()

PreprocessorLexer * Preprocessor::getCurrentFileLexer

(

)

const

Return the current file lexer being lexed from.

getCurrentLexer - Return the current file lexer being lexed from.

Note that this ignores any potentially active macro expansions and _Pragma expansions going on at the time.

Definition at line 49 of file PPLexerChange.cpp.

Referenced by HandlePragmaDependency(), HandlePragmaOnce(), HandlePragmaSystemHeader(), and LookupFile().

getCurrentFPEvalMethod()

LangOptions::FPEvalMethodKind clang::Preprocessor::getCurrentFPEvalMethod ( ) const

inline

Definition at line 2191 of file Preprocessor.h.

References clang::LangOptions::FEM_UnsetOnCommandLine.

Referenced by clang::Sema::ActOnPragmaFloatControl().

getCurrentLexer()

PreprocessorLexer* clang::Preprocessor::getCurrentLexer ( ) const

inline

Return the current lexer being lexed from.

Note that this ignores any potentially active macro expansions and _Pragma expansions going on at the time.

Definition at line 1150 of file Preprocessor.h.

getCurrentLexerSubmodule()

Module* clang::Preprocessor::getCurrentLexerSubmodule ( ) const

inline

Return the submodule owning the file being lexed.

This may not be the current module if we have changed modules since entering the file.

Definition at line 1160 of file Preprocessor.h.

getCurrentModule()

Module * Preprocessor::getCurrentModule

(

)

Retrieves the module that we're currently building, if any.

Definition at line 530 of file Preprocessor.cpp.

References getHeaderSearchInfo(), getLangOpts(), and clang::HeaderSearch::lookupModule().

Referenced by clang::Sema::ActOnEndOfTranslationUnit(), HandleEndOfFile(), LookupFile(), and markIdentifierFromAST().

getCurrentModuleImplementation()

Module * Preprocessor::getCurrentModuleImplementation

(

)

Retrieves the module whose implementation we're current compiling, if any.

Definition at line 537 of file Preprocessor.cpp.

References getHeaderSearchInfo(), getLangOpts(), and clang::HeaderSearch::lookupModule().

Referenced by clang::tooling::dependencies::ModuleDepCollector::applyDiscoveredDependencies().

getDiagnostics()

DiagnosticsEngine& clang::Preprocessor::getDiagnostics ( ) const

inline

Definition at line 1070 of file Preprocessor.h.

Referenced by clang::Sema::ActOnNumericConstant(), clang::AttachHeaderIncludeGen(), clang::CharLiteralParser::CharLiteralParser(), clang::ento::CreateAnalysisConsumer(), EnableCodeCompletion(), EvaluateValue(), clang::PCHGenerator::HandleTranslationUnit(), HasExtension(), parseSimpleIntegerLiteral(), and setCodeCompletionReached().

getEmptylineHandler()

EmptylineHandler* clang::Preprocessor::getEmptylineHandler ( ) const

inline

Definition at line 1419 of file Preprocessor.h.

getExternalSource()

ExternalPreprocessorSource* clang::Preprocessor::getExternalSource ( ) const

inline

Definition at line 1090 of file Preprocessor.h.

Referenced by isTrivialSingleTokenExpansion().

getFileManager()

FileManager& clang::Preprocessor::getFileManager ( ) const

inline

Definition at line 1076 of file Preprocessor.h.

Referenced by EnableCodeCompletion().

getHeaderSearchInfo()

HeaderSearch& clang::Preprocessor::getHeaderSearchInfo ( ) const

inline

Definition at line 1078 of file Preprocessor.h.

Referenced by clang::Sema::ActOnEndOfTranslationUnit(), clang::tooling::dependencies::ModuleDepCollector::applyDiscoveredDependencies(), clang::DependencyCollector::attachToPreprocessor(), clang::ModuleDependencyCollector::attachToPreprocessor(), compileModule(), clang::CompilerInstance::createPCHExternalASTSource(), clang::FrontendAction::EndSourceFile(), EnterSubmodule(), EvaluateHasIncludeCommon(), clang::FrontendAction::Execute(), clang::FrontendAction::getCurrentModule(), getCurrentModule(), getCurrentModuleImplementation(), getHeaderNameForHeader(), getHeaderToIncludeForDiagnostics(), getInputBufferForModule(), getTopImportImplicitModule(), clang::VerifyDiagnosticConsumer::HandleDiagnostic(), HandlePragmaIncludeAlias(), clang::PCHGenerator::HandleTranslationUnit(), clang::CompilerInstance::loadGlobalModuleIndex(), clang::CompilerInstance::loadModule(), loadModuleMapForModuleBuild(), and prepareToBuildModule().

getHeaderToIncludeForDiagnostics()

const FileEntry * Preprocessor::getHeaderToIncludeForDiagnostics	(	SourceLocation	IncLoc,
		SourceLocation	MLoc
	)

We want to produce a diagnostic at location IncLoc concerning an unreachable effect at location MLoc (eg, where a desired entity was declared or defined).

Determine whether the right way to make MLoc reachable is by include, and if so, what header should be included.

This is not necessarily fast, and might load unexpected module maps, so should only be called by code that intends to produce an error.

Parameters

IncLoc	The location at which the missing effect was detected.
MLoc	A location within an unimported module at which the desired effect occurred.

Returns

A file that can be #included to provide the desired effect. Null if no such file could be determined or if a include is not appropriate (eg, if a module should be imported instead).

Definition at line 881 of file PPDirectives.cpp.

References clang::HeaderSearch::findAllModulesForHeader(), getHeaderSearchInfo(), getLangOpts(), getModuleForLocation(), getSourceManager(), clang::HeaderSearch::hasModuleMap(), clang::SourceManager::isInSystemHeader(), clang::SourceLocation::isInvalid(), SM, and clang::ModuleMap::TextualHeader.

Referenced by clang::Sema::diagnoseMissingImport().

getIdentifierInfo()

IdentifierInfo* clang::Preprocessor::getIdentifierInfo ( StringRef  Name ) const

inline

Return information about the specified preprocessor identifier token.

Definition at line 1390 of file Preprocessor.h.

Referenced by checkConfigMacro(), DiagnoseCallingConvCast(), clang::Sema::DiagnoseOwningPropertyGetterSynthesis(), fixSeparateAttrArgAndNumber(), getFallthroughAttrSpelling(), clang::Sema::getNSErrorIdent(), clang::Sema::getNullabilityKeyword(), clang::Parser::Initialize(), clang::Sema::Initialize(), Lex(), LexAfterModuleImport(), LexModuleNameComponent(), LookUpIdentifierInfo(), and clang::ento::tryExpandAsInteger().

getIdentifierTable() [1/2]

IdentifierTable& clang::Preprocessor::getIdentifierTable ( )

inline

Definition at line 1080 of file Preprocessor.h.

Referenced by clang::Sema::ActOnClassPropertyRefExpr(), clang::Sema::ActOnOpenMPTileDirective(), clang::Sema::ActOnOpenMPUnrollDirective(), clang::FrontendAction::BeginSourceFile(), BuildNonArrayForRange(), clang::CompilerInstance::createASTContext(), clang::createChainedIncludesSource(), clang::Sema::DeclareGlobalNewDelete(), clang::FrontendAction::EndSourceFile(), clang::ASTReader::getIdentifierTable(), clang::Sema::getOrCreateStdNamespace(), clang::Sema::HandleExprPropertyRefExpr(), HandleIdentifier(), clang::Parser::Initialize(), clang::Sema::isStdInitializerList(), clang::Sema::lookupCoroutineTraits(), and clang::Sema::lookupStdExperimentalNamespace().

getIdentifierTable() [2/2]

const IdentifierTable& clang::Preprocessor::getIdentifierTable ( ) const

inline

Definition at line 1081 of file Preprocessor.h.

getImmediateMacroName()

StringRef clang::Preprocessor::getImmediateMacroName ( SourceLocation  Loc )

inline

Retrieve the name of the immediate macro expansion.

This routine starts from a source location, and finds the name of the macro responsible for its immediate expansion. It looks through any intervening macro argument expansions to compute this. It returns a StringRef that refers to the SourceManager-owned buffer of the source where that macro name is spelled. Thus, the result shouldn't out-live the SourceManager.

Definition at line 1997 of file Preprocessor.h.

References clang::Lexer::getImmediateMacroName(), and getLangOpts().

Referenced by lookThroughRangesV3Condition().

getIncludedFiles() [1/2]

IncludedFilesSet& clang::Preprocessor::getIncludedFiles ( )

inline

Get the set of included files.

Definition at line 1369 of file Preprocessor.h.

getIncludedFiles() [2/2]

const IncludedFilesSet& clang::Preprocessor::getIncludedFiles ( ) const

inline

Definition at line 1370 of file Preprocessor.h.

GetIncludeFilenameSpelling()

bool Preprocessor::GetIncludeFilenameSpelling	(	SourceLocation	Loc,
		StringRef &	Buffer
	)

Turn the specified lexer token into a fully checked and spelled filename, e.g.

GetIncludeFilenameSpelling - Turn the specified lexer token into a fully checked and spelled filename, e.g.

as an operand of #include.

The caller is expected to provide a buffer that is large enough to hold the spelling of the filename, but is also expected to handle the case when this method decides to use a different buffer.

Returns

true if the input filename was in <>'s or false if it was in ""'s.

as an operand of #include. This returns true if the input filename was in <>'s or false if it were in ""'s. The caller is expected to provide a buffer that is large enough to hold the spelling of the filename, but is also expected to handle the case when this method decides to use a different buffer.

Definition at line 1753 of file PPDirectives.cpp.

References Diag().

Referenced by EvaluateHasIncludeCommon(), HandlePragmaDependency(), and HandlePragmaIncludeAlias().

getLangOpts()

const LangOptions& clang::Preprocessor::getLangOpts ( ) const

inline

Definition at line 1073 of file Preprocessor.h.

Referenced by clang::Sema::ActOnNumericConstant(), AddFunctionParameterChunks(), clang::TokenConcatenation::AvoidConcat(), clang::FrontendAction::BeginSourceFile(), clang::CharLiteralParser::CharLiteralParser(), CheckMacroName(), clang::createChainedIncludesSource(), clang::DoPrintPreprocessedInput(), EmitAlphaCounter(), emitPremigrationErrors(), EnterSubmodule(), EvaluateDirectiveSubExpr(), EvaluateValue(), clang::DumpRawTokensAction::ExecuteAction(), FindLocsWithCommonFileID(), getCurrentModule(), getCurrentModuleImplementation(), getFallthroughAttrSpelling(), getHeaderToIncludeForDiagnostics(), getImmediateMacroName(), getIssueHash(), clang::Parser::getLangOpts(), getModuleForLocation(), HandleDirective(), HandleIdentifier(), HandlePragmaOnce(), clang::PCHGenerator::HandleTranslationUnit(), Initialize(), clang::ASTReader::isGlobalIndexUnavailable(), isInterestingIdentifier(), isMacroDefined(), LeaveSubmodule(), clang::TokenLexer::Lex(), Lex(), LexAfterModuleImport(), LexRawTokensFromMainFile(), clang::ASTReader::loadGlobalIndex(), MaybeAddSentinel(), ParseAlignPragma(), parseSimpleIntegerLiteral(), PrintPreprocessedTokens(), clang::RewriteMacrosInInput(), shouldWarnOnMacroDef(), shouldWarnOnMacroUndef(), and clang::TokenConcatenation::TokenConcatenation().

getLastCachedTokenLocation()

SourceLocation clang::Preprocessor::getLastCachedTokenLocation ( ) const

inline

Get the location of the last cached token, suitable for setting the end location of an annotation token.

Definition at line 1735 of file Preprocessor.h.

Referenced by IsPreviousCachedToken().

getLastFPEvalMethod()

LangOptions::FPEvalMethodKind clang::Preprocessor::getLastFPEvalMethod ( ) const

inline

Definition at line 2206 of file Preprocessor.h.

Referenced by clang::Sema::ActOnPragmaFloatControl().

getLastFPEvalPragmaLocation()

SourceLocation clang::Preprocessor::getLastFPEvalPragmaLocation ( ) const

inline

Definition at line 2202 of file Preprocessor.h.

Referenced by clang::Sema::ActOnPragmaFloatControl(), and clang::Sema::ActOnPragmaFPReassociate().

getLastMacroWithSpelling()

StringRef Preprocessor::getLastMacroWithSpelling	(	SourceLocation	Loc,
		ArrayRef< TokenValue >	Tokens
	)		const

Return the name of the macro defined before Loc that has spelling Tokens.

If there are multiple macros with same spelling, return the last one defined.

Definition at line 362 of file Preprocessor.cpp.

Referenced by DiagnoseCallingConvCast(), clang::Sema::DiagnoseOwningPropertyGetterSynthesis(), and getFallthroughAttrSpelling().

getLeafModuleMacros()

ArrayRef<ModuleMacro*> clang::Preprocessor::getLeafModuleMacros ( const IdentifierInfo *  II ) const

inline

Get the list of leaf (non-overridden) module macros for a name.

Definition at line 1308 of file Preprocessor.h.

References clang::IdentifierInfo::isOutOfDate().

Referenced by indexPreprocessorModuleMacros().

getLocalMacroDirective()

MacroDirective* clang::Preprocessor::getLocalMacroDirective ( const IdentifierInfo *  II ) const

inline

Given an identifier, return its latest non-imported MacroDirective if it is #define'd and not #undef'd, or null if it isn't #define'd.

Definition at line 1255 of file Preprocessor.h.

References getLocalMacroDirectiveHistory(), and clang::IdentifierInfo::hasMacroDefinition().

getLocalMacroDirectiveHistory()

MacroDirective * Preprocessor::getLocalMacroDirectiveHistory

(

const IdentifierInfo *

II

)

const

Given an identifier, return the latest non-imported macro directive for that identifier.

One can iterate over all previous macro directives from the most recent one.

Definition at line 64 of file PPMacroExpansion.cpp.

References clang::IdentifierInfo::hadMacroDefinition().

Referenced by checkConfigMacro(), and getLocalMacroDirective().

getLocForEndOfToken()

SourceLocation clang::Preprocessor::getLocForEndOfToken ( SourceLocation  Loc, unsigned  Offset = 0  )

inline

Computes the source location just past the end of the token at this source location.

This routine can be used to produce a source location that points just past the end of the token referenced by Loc, and is generally used when a diagnostic needs to point just after a token where it expected something different that it received. If the returned source location would not be meaningful (e.g., if it points into a macro), this routine returns an invalid source location.

Parameters

Offset

an offset from the end of the token, where the source location should refer to. The default offset (0) produces a source location pointing just past the end of the token; an offset of 1 produces a source location pointing to the last character in the token, etc.

Definition at line 2030 of file Preprocessor.h.

References clang::Lexer::getLocForEndOfToken(), and Offset.

Referenced by clang::Sema::DiagnoseCommaOperator(), EvaluateHasIncludeCommon(), GenerateNewArgTokens(), clang::Parser::getEndOfPreviousToken(), and clang::Parser::ParseConstraintLogicalAndExpression().

getMacroAnnotations()

const MacroAnnotations& clang::Preprocessor::getMacroAnnotations ( const IdentifierInfo *  II ) const

inline

Definition at line 2679 of file Preprocessor.h.

getMacroDefinition()

MacroDefinition clang::Preprocessor::getMacroDefinition ( const IdentifierInfo *  II )

inline

Definition at line 1225 of file Preprocessor.h.

References clang::IdentifierInfo::hasMacroDefinition().

Referenced by EvaluateDefined(), getMacroInfo(), HandleIdentifier(), and isMacroDefined().

getMacroDefinitionAtLoc()

MacroDefinition clang::Preprocessor::getMacroDefinitionAtLoc ( const IdentifierInfo *  II, SourceLocation  Loc  )

inline

Definition at line 1238 of file Preprocessor.h.

References clang::IdentifierInfo::hadMacroDefinition().

getMacroInfo() [1/2]

MacroInfo* clang::Preprocessor::getMacroInfo ( const IdentifierInfo *  II )

inline

Definition at line 1270 of file Preprocessor.h.

References getMacroDefinition(), and clang::IdentifierInfo::hasMacroDefinition().

getMacroInfo() [2/2]

const MacroInfo* clang::Preprocessor::getMacroInfo ( const IdentifierInfo *  II ) const

inline

Definition at line 1266 of file Preprocessor.h.

Referenced by checkConfigMacro(), CheckMacroName(), clang::Sema::getPrintingPolicy(), HandleEndOfFile(), HandlePragmaPopMacro(), HandlePragmaPushMacro(), isTrivialSingleTokenExpansion(), and clang::ento::tryExpandAsInteger().

getMaxTokens()

unsigned clang::Preprocessor::getMaxTokens ( ) const

inline

Get the max number of tokens before issuing a -Wmax-tokens warning.

Definition at line 1183 of file Preprocessor.h.

Referenced by clang::Parser::ParseTopLevelDecl().

getMaxTokensOverrideLoc()

SourceLocation clang::Preprocessor::getMaxTokensOverrideLoc ( ) const

inline

Definition at line 1190 of file Preprocessor.h.

Referenced by clang::Parser::ParseTopLevelDecl().

getModuleForLocation()

Module * Preprocessor::getModuleForLocation	(	SourceLocation	Loc,
		bool	AllowTextual
	)

Find the module that owns the source or header file that Loc points to.

If the location is in a file that was included into a module, or is outside any module, returns nullptr.

Definition at line 859 of file PPDirectives.cpp.

References clang::LangOptions::CurrentModule, clang::ModuleMap::findModuleForHeader(), clang::SourceManager::getExpansionLoc(), clang::SourceManager::getFileEntryForID(), clang::SourceManager::getFileID(), getLangOpts(), clang::ModuleMap::KnownHeader::getModule(), clang::HeaderSearch::getModuleMap(), clang::SourceManager::isInMainFile(), and clang::HeaderSearch::lookupModule().

Referenced by getHeaderToIncludeForDiagnostics(), and LookupFile().

getModuleImportLoc()

SourceLocation clang::Preprocessor::getModuleImportLoc ( Module *  M ) const

inline

Definition at line 1604 of file Preprocessor.h.

getModuleLoader()

ModuleLoader& clang::Preprocessor::getModuleLoader ( ) const

inline

Retrieve the module loader associated with this preprocessor.

Definition at line 1095 of file Preprocessor.h.

Referenced by clang::PCHGenerator::HandleTranslationUnit().

getModuleMacro()

ModuleMacro * Preprocessor::getModuleMacro	(	Module *	Mod,
		const IdentifierInfo *	II
	)

Definition at line 172 of file PPMacroExpansion.cpp.

References clang::ModuleMacro::Profile().

getNumDirectives()

unsigned clang::Preprocessor::getNumDirectives ( ) const

inline

Retrieve the number of Directives that have been processed by the Preprocessor.

Definition at line 1103 of file Preprocessor.h.

getPPCallbacks()

PPCallbacks* clang::Preprocessor::getPPCallbacks ( ) const

inline

Accessors for preprocessor callbacks.

Note that this class takes ownership of any PPCallbacks object given to it.

Definition at line 1170 of file Preprocessor.h.

Referenced by EvaluateDefined(), and EvaluateHasIncludeCommon().

getPragmaARCCFCodeAuditedInfo()

std::pair<IdentifierInfo *, SourceLocation> clang::Preprocessor::getPragmaARCCFCodeAuditedInfo ( ) const

inline

The location of the currently-active #pragma clang arc_cf_code_audited begin.

Returns an invalid location if there is no such pragma active.

Definition at line 1846 of file Preprocessor.h.

Referenced by clang::Sema::AddCFAuditedAttribute().

getPragmaAssumeNonNullLoc()

SourceLocation clang::Preprocessor::getPragmaAssumeNonNullLoc ( ) const

inline

The location of the currently-active #pragma clang assume_nonnull begin.

Returns an invalid location if there is no such pragma active.

Definition at line 1861 of file Preprocessor.h.

getPragmasEnabled()

bool clang::Preprocessor::getPragmasEnabled ( ) const

inline

Definition at line 1121 of file Preprocessor.h.

getPreambleConditionalStack()

ArrayRef<PPConditionalInfo> clang::Preprocessor::getPreambleConditionalStack ( ) const

inline

Definition at line 2584 of file Preprocessor.h.

getPreambleRecordedPragmaAssumeNonNullLoc()

SourceLocation clang::Preprocessor::getPreambleRecordedPragmaAssumeNonNullLoc ( ) const

inline

Get the location of the recorded unterminated #pragma clang assume_nonnull begin in the preamble, if one exists.

Returns an invalid location if the premable did not end with such a pragma active or if there is no recorded preamble.

Definition at line 1876 of file Preprocessor.h.

getPreambleSkipInfo()

llvm::Optional<PreambleSkipInfo> clang::Preprocessor::getPreambleSkipInfo ( ) const

inline

Definition at line 2599 of file Preprocessor.h.

getPredefines()

const std::string& clang::Preprocessor::getPredefines ( ) const

inline

Get the predefines for this processor.

Used by some third-party tools to inspect and add predefines (see https://github.com/llvm/llvm-project/issues/57483).

Definition at line 1381 of file Preprocessor.h.

getPredefinesFileID()

FileID clang::Preprocessor::getPredefinesFileID ( ) const

inline

Returns the FileID for the preprocessor predefines.

Definition at line 1163 of file Preprocessor.h.

Referenced by checkConfigMacro(), HandleEndOfFile(), clang::RewriteIncludesInInput(), shouldIgnoreMacro(), and SkipTokensWhileUsingPCH().

getPreprocessingRecord()

PreprocessingRecord* clang::Preprocessor::getPreprocessingRecord ( ) const

inline

Retrieve the preprocessing record, or NULL if there is no preprocessing record.

Definition at line 1476 of file Preprocessor.h.

Referenced by clang::ASTUnit::getLocalPreprocessingEntities().

getPreprocessorAllocator()

llvm::BumpPtrAllocator& clang::Preprocessor::getPreprocessorAllocator ( )

inline

Definition at line 1084 of file Preprocessor.h.

Referenced by clang::ModuleMacro::create(), ParseAlignPragma(), and ParseLoopHintValue().

getPreprocessorOpts()

PreprocessorOptions& clang::Preprocessor::getPreprocessorOpts ( ) const

inline

Retrieve the preprocessor options used to initialize this preprocessor.

Definition at line 1068 of file Preprocessor.h.

Referenced by EnterSourceFile().

getRawToken()

bool clang::Preprocessor::getRawToken ( SourceLocation  Loc, Token &  Result, bool  IgnoreWhiteSpace = false  )

inline

Relex the token at the specified location.

Returns

true if there was a failure, false on success.

Definition at line 1966 of file Preprocessor.h.

References clang::Lexer::getRawToken().

Referenced by UseNSOptionsMacro().

getSelectorTable()

SelectorTable& clang::Preprocessor::getSelectorTable ( )

inline

Definition at line 1082 of file Preprocessor.h.

Referenced by clang::Sema::ActOnClassPropertyRefExpr(), clang::CompilerInstance::createASTContext(), and clang::Sema::HandleExprPropertyRefExpr().

getSourceManager()

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

inline

Definition at line 1077 of file Preprocessor.h.

Referenced by clang::Sema::ActOnNumericConstant(), AddFunctionParameterChunks(), clang::ModuleDependencyCollector::attachToPreprocessor(), clang::TokenConcatenation::AvoidConcat(), clang::CharLiteralParser::CharLiteralParser(), checkConfigMacro(), clang::Lexer::Create_PragmaLexer(), clang::CompilerInstance::createASTContext(), createPreprocessingRecord(), clang::DoPrintPreprocessedInput(), clang::DoRewriteTest(), emitPremigrationErrors(), EnterSourceFile(), EvaluateDefined(), EvaluateValue(), clang::PrintDependencyDirectivesSourceMinimizerAction::ExecuteAction(), clang::DumpRawTokensAction::ExecuteAction(), FindLocsWithCommonFileID(), clang::PreprocessorLexer::getFileEntry(), GetFirstChar(), getHeaderToIncludeForDiagnostics(), getIssueHash(), GetMappedTokenLoc(), clang::VerifyDiagnosticConsumer::HandleComment(), clang::TokenLexer::Init(), IsPreviousCachedToken(), clang::TokenLexer::Lex(), LexRawTokensFromMainFile(), parseSimpleIntegerLiteral(), clang::PreprocessorLexer::PreprocessorLexer(), ReadLineMarkerFlags(), clang::MacroExpansionContext::registerForPreprocessor(), clang::RewriteIncludesInInput(), clang::RewriteMacrosInInput(), clang::CodeGen::CoverageMappingModuleGen::setUpCoverageCallbacks(), shouldIgnoreMacro(), SplitToken(), and clang::syntax::TokenCollector::TokenCollector().

getSpelling() [1/4]

std::string clang::Preprocessor::getSpelling ( const Token &  Tok, bool *  Invalid = nullptr  ) const

inline

Return the 'spelling' of the Tok token.

The spelling of a token is the characters used to represent the token in the source file after trigraph expansion and escaped-newline folding. In particular, this wants to get the true, uncanonicalized, spelling of things like digraphs, UCNs, etc.

Parameters

Invalid

If non-null, will be set true if an error occurs.

Definition at line 1935 of file Preprocessor.h.

References clang::Lexer::getSpelling().

getSpelling() [2/4]

unsigned clang::Preprocessor::getSpelling ( const Token &  Tok, const char *&  Buffer, bool *  Invalid = nullptr  ) const

inline

Get the spelling of a token into a preallocated buffer, instead of as an std::string.

The caller is required to allocate enough space for the token, which is guaranteed to be at least Tok.getLength() bytes long. The length of the actual result is returned.

Note that this method may do two possible things: it may either fill in the buffer specified with characters, or it may change the input pointer to point to a constant buffer with the data already in it (avoiding a copy). The caller is not allowed to modify the returned buffer pointer if an internal buffer is returned.

Definition at line 1951 of file Preprocessor.h.

References clang::Lexer::getSpelling().

getSpelling() [3/4]

StringRef Preprocessor::getSpelling	(	const Token &	Tok,
		SmallVectorImpl< char > &	Buffer,
		bool *	Invalid = nullptr
	)		const

Get the spelling of a token into a SmallVector.

getSpelling - This method is used to get the spelling of a token into a SmallVector.

Note that the returned StringRef may not point to the supplied buffer if a copy can be avoided.

Definition at line 472 of file Preprocessor.cpp.

References clang::Token::getIdentifierInfo(), clang::Token::getLength(), getSpelling(), clang::Token::hasUCN(), clang::Token::isNot(), and clang::Token::needsCleaning().

getSpelling() [4/4]

StringRef clang::Preprocessor::getSpelling ( SourceLocation  loc, SmallVectorImpl< char > &  buffer, bool *  invalid = nullptr  ) const

inline

Return the 'spelling' of the token at the given location; does not go up to the spelling location or down to the expansion location.

Parameters

buffer	A buffer which will be used only if the token requires "cleaning", e.g. if it contains trigraphs or escaped newlines
invalid	If non-null, will be set true if an error occurs.

Definition at line 1921 of file Preprocessor.h.

References clang::Lexer::getSpelling().

Referenced by clang::Sema::ActOnCharacterConstant(), clang::Sema::ActOnNumericConstant(), buildMSAsmString(), DumpToken(), dumpTokenInto(), EvaluateHasIncludeCommon(), EvaluateValue(), GetFirstChar(), GetLineValue(), getSpelling(), HandlePragmaDependency(), HandlePragmaIncludeAlias(), clang::MacroInfo::isIdenticalTo(), isMapModifier(), isMapType(), LexHeaderName(), LookUpIdentifierInfo(), ParsePragmaPushOrPopMacro(), parseSimpleIntegerLiteral(), PrintMacroDefinition(), and clang::RewriteMacrosInInput().

getSpellingOfSingleCharacterNumericConstant()

char clang::Preprocessor::getSpellingOfSingleCharacterNumericConstant ( const Token &  Tok, bool *  Invalid = nullptr  ) const

inline

Given a Token Tok that is a numeric constant with length 1, return the character.

Definition at line 1974 of file Preprocessor.h.

References clang::Token::getLength(), clang::Token::getLiteralData(), clang::Token::getLocation(), clang::Token::is(), and clang::Token::needsCleaning().

Referenced by clang::Sema::ActOnNumericConstant().

GetSuppressIncludeNotFoundError()

bool clang::Preprocessor::GetSuppressIncludeNotFoundError ( )

inline

Definition at line 1127 of file Preprocessor.h.

getTargetInfo()

const TargetInfo& clang::Preprocessor::getTargetInfo ( ) const

inline

Definition at line 1074 of file Preprocessor.h.

References clang::Target.

Referenced by clang::Sema::ActOnNumericConstant(), clang::CharLiteralParser::CharLiteralParser(), EvaluateValue(), clang::Parser::getTargetInfo(), Initialize(), and parseSimpleIntegerLiteral().

getTokenCount()

unsigned clang::Preprocessor::getTokenCount ( ) const

inline

Get the number of tokens processed so far.

Definition at line 1180 of file Preprocessor.h.

Referenced by clang::Parser::ParseTopLevelDecl().

getTotalMemory()

size_t Preprocessor::getTotalMemory

(

)

const

Definition at line 332 of file Preprocessor.cpp.

Referenced by PrintStats().

getTUFPEvalMethod()

LangOptions::FPEvalMethodKind clang::Preprocessor::getTUFPEvalMethod ( ) const

inline

Definition at line 2198 of file Preprocessor.h.

hadModuleLoaderFatalFailure()

bool clang::Preprocessor::hadModuleLoaderFatalFailure ( ) const

inline

Definition at line 1097 of file Preprocessor.h.

References clang::ModuleLoader::HadFatalFailure.

HandleComment()

bool Preprocessor::HandleComment	(	Token &	result,
		SourceRange	Comment
	)

Definition at line 1414 of file Preprocessor.cpp.

References getCommentRetentionState(), and Lex().

HandleDirective()

void Preprocessor::HandleDirective

(

Token &

Result

)

Callback invoked when the lexer sees a # token at the start of a line.

HandleDirective - This callback is invoked when the lexer sees a # token at the start of a line.

This consumes the directive, modifies the lexer/preprocessor state, and advances the lexer(s) so that the next token read is the correct one.

Definition at line 1133 of file PPDirectives.cpp.

References clang::CodeCompletionHandler::CodeCompleteDirective(), Diag(), DiscardUntilEndOfDirective(), clang::PreprocessorLexer::getConditionalStackDepth(), clang::MultipleIncludeOpt::getHasReadAnyTokensVal(), clang::Token::getIdentifierInfo(), clang::MultipleIncludeOpt::getImmediatelyAfterTopLevelIfndef(), clang::Decl::getKind(), getLangOpts(), clang::Token::getLocation(), clang::IdentifierInfo::getPPKeywordID(), HandleSkippedDirectiveWhileUsingPCH(), LexUnexpandedToken(), clang::PreprocessorLexer::MIOpt, clang::PreprocessorLexer::ParsingPreprocessorDirective, clang::PIK_HashPragma, clang::dependency_directives_scan::pp___include_macros, clang::dependency_directives_scan::pp_define, clang::dependency_directives_scan::pp_elif, clang::dependency_directives_scan::pp_elifdef, clang::dependency_directives_scan::pp_elifndef, clang::dependency_directives_scan::pp_else, clang::dependency_directives_scan::pp_endif, clang::dependency_directives_scan::pp_if, clang::dependency_directives_scan::pp_ifdef, clang::dependency_directives_scan::pp_ifndef, clang::dependency_directives_scan::pp_import, clang::dependency_directives_scan::pp_include, clang::dependency_directives_scan::pp_include_next, clang::dependency_directives_scan::pp_undef, clang::MultipleIncludeOpt::resetImmediatelyAfterTopLevelIfndef(), and setCodeCompletionReached().

HandleEndOfFile()

bool Preprocessor::HandleEndOfFile	(	Token &	Result,
		bool	isEndOfMacro = false
	)

Callback invoked when the lexer hits the end of the current file.

HandleEndOfFile - This callback is invoked when the lexer hits the end of the current file.

This either returns the EOF token and returns true, or pops a level off the include stack and returns false, at which point the client should call lex again.

This either returns the EOF token or pops a level off the include stack and keeps going.

Definition at line 331 of file PPLexerChange.cpp.

References collectAllSubModulesWithUmbrellaHeader(), clang::FixItHint::CreateReplacement(), creatingPCHWithThroughHeader(), Diag(), clang::comments::tok::eof, clang::PPCallbacks::ExitFile, clang::MultipleIncludeOpt::GetControllingMacroAtEndOfFile(), getCurrentModule(), clang::MultipleIncludeOpt::GetDefinedLocation(), clang::MultipleIncludeOpt::GetDefinedMacro(), clang::SourceManager::getFileCharacteristic(), clang::PreprocessorLexer::getFileEntry(), clang::SourceManager::getFileEntryForID(), clang::PreprocessorLexer::getFileID(), clang::SourceManager::getIncludeLoc(), clang::PreprocessorLexer::getInitialNumSLocEntries(), clang::Decl::getLocation(), clang::SourceManager::getLocForStartOfFile(), clang::SourceLocation::getLocWithOffset(), getMacroInfo(), clang::MultipleIncludeOpt::GetMacroLocation(), getPredefinesFileID(), clang::PreprocessorLexer::getSourceLocation(), isCodeCompletionEnabled(), isIncrementalProcessingEnabled(), isInPrimaryFile(), isMacroDefined(), isPCHThroughHeader(), isRecordingPreamble(), clang::FileID::isValid(), clang::SourceLocation::isValid(), LeaveSubmodule(), clang::SourceManager::local_sloc_entry_size(), max(), clang::PreprocessorLexer::MIOpt, recomputeCurLexerKind(), RemoveTopOfLexerStack(), clang::HeaderSearch::SetFileControllingMacro(), clang::Decl::setLocation(), clang::SourceManager::setNumCreatedFIDsForFileID(), clang::TU_Complete, and TUKind.

Referenced by HandleEndOfTokenLexer().

HandleEndOfTokenLexer()

bool Preprocessor::HandleEndOfTokenLexer

(

Token &

Result

)

Callback invoked when the current TokenLexer hits the end of its token stream.

HandleEndOfTokenLexer - This callback is invoked when the current TokenLexer hits the end of its token stream.

Definition at line 586 of file PPLexerChange.cpp.

References HandleEndOfFile().

Referenced by HandleMicrosoftCommentPaste(), and clang::TokenLexer::Lex().

HandleIdentifier()

bool Preprocessor::HandleIdentifier

(

Token &

Identifier

)

Callback invoked when the lexer reads an identifier and has filled in the tokens IdentifierInfo member.

HandleIdentifier - This callback is invoked when the lexer reads an identifier.

This callback potentially macro expands it or turns it into a named token (like 'for').

Returns

true if we actually computed a token, false if we need to lex again.

This callback looks up the identifier in the map and/or potentially macro expands it or turns it into a named token (like 'for').

Note that callers of this method are guarded by checking the IdentifierInfo's 'isHandleIdentifierCase' bit. If this method changes, the IdentifierInfo methods that compute these properties will need to change to match.

Definition at line 795 of file Preprocessor.cpp.

References Diag(), clang::Token::DisableExpand, getIdentifierTable(), getLangOpts(), getMacroDefinition(), clang::IdentifierInfo::getName(), clang::IdentifierInfo::getTokenID(), HandlePoisonedIdentifier(), Identifier, clang::IdentifierInfo::isExtensionToken(), clang::IdentifierInfo::isFutureCompatKeyword(), clang::IdentifierInfo::isModulesImport(), clang::IdentifierInfo::isOutOfDate(), clang::IdentifierInfo::isPoisoned(), clang::IdentifierInfo::setIsFutureCompatKeyword(), and clang::IdentifierInfo::setIsPoisoned().

Referenced by clang::TokenLexer::Lex().

HandleMicrosoftCommentPaste()

void Preprocessor::HandleMicrosoftCommentPaste

(

Token &

Tok

)

When the macro expander pastes together a comment (/##/) in Microsoft mode, this method handles updating the current state, returning the token on the next source line.

HandleMicrosoftCommentPaste - When the macro expander pastes together a comment (/##/) in microsoft mode, this method handles updating the current state, returning the token on the next source line.

Definition at line 624 of file PPLexerChange.cpp.

References clang::comments::tok::eof, HandleEndOfTokenLexer(), clang::Token::is(), clang::Token::isNot(), Lex(), clang::PreprocessorLexer::LexingRawMode, and clang::PreprocessorLexer::ParsingPreprocessorDirective.

HandlePoisonedIdentifier()

void Preprocessor::HandlePoisonedIdentifier

(

Token &

Identifier

)

Display reason for poisoned identifier.

Definition at line 771 of file Preprocessor.cpp.

References Diag(), and Identifier.

Referenced by HandleIdentifier(), clang::TokenLexer::Lex(), and MaybeHandlePoisonedIdentifier().

HandlePragmaDependency()

void Preprocessor::HandlePragmaDependency

(

Token &

DependencyTok

)

HandlePragmaDependency - Handle #pragma GCC dependency "foo" blah.

Definition at line 504 of file Pragma.cpp.

References Diag(), clang::File, Filename, getCurrentFileLexer(), clang::PreprocessorLexer::getFileEntry(), GetIncludeFilenameSpelling(), clang::Token::getLocation(), clang::FileEntry::getModificationTime(), getSpelling(), clang::Token::isNot(), Lex(), LexHeaderName(), LookupFile(), and string().

HandlePragmaHdrstop()

void Preprocessor::HandlePragmaHdrstop

(

Token &

Tok

)

Definition at line 869 of file Pragma.cpp.

References creatingPCHWithPragmaHdrStop(), Diag(), clang::comments::tok::eof, clang::Token::getLocation(), clang::Token::is(), clang::SourceManager::isInMainFile(), clang::Token::isNot(), Lex(), LexStringLiteral(), string(), and usingPCHWithPragmaHdrStop().

Referenced by HandleSkippedDirectiveWhileUsingPCH().

HandlePragmaIncludeAlias()

void Preprocessor::HandlePragmaIncludeAlias

(

Token &

Tok

)

Definition at line 673 of file Pragma.cpp.

References clang::HeaderSearch::AddIncludeAlias(), Diag(), getHeaderSearchInfo(), GetIncludeFilenameSpelling(), clang::Token::getLocation(), getSpelling(), clang::Token::is(), clang::Token::isNot(), Lex(), and LexHeaderName().

HandlePragmaMark()

void Preprocessor::HandlePragmaMark

(

Token &

MarkTok

)

Definition at line 420 of file Pragma.cpp.

References clang::Token::getLocation().

HandlePragmaModuleBuild()

void Preprocessor::HandlePragmaModuleBuild

(

Token &

Tok

)

Definition at line 795 of file Pragma.cpp.

References clang::ModuleLoader::createModuleFromSource(), Diag(), DiscardUntilEndOfDirective(), End, clang::comments::tok::eof, clang::Token::getKind(), clang::Token::getLocation(), clang::IdentifierInfo::getName(), clang::Token::getRawIdentifier(), clang::Token::is(), clang::Token::isAtStartOfLine(), clang::Token::isNot(), LexModuleNameComponent(), and LexUnexpandedToken().

HandlePragmaOnce()

void Preprocessor::HandlePragmaOnce

(

Token &

OnceTok

)

HandlePragmaOnce - Handle #pragma once. OnceTok is the 'once'.

Definition at line 405 of file Pragma.cpp.

References Diag(), getCurrentFileLexer(), getLangOpts(), IsHeaderFile(), isInPrimaryFile(), clang::HeaderSearch::MarkFileIncludeOnce(), clang::TU_Prefix, and TUKind.

HandlePragmaPoison()

void Preprocessor::HandlePragmaPoison

(

)

HandlePragmaPoison - Handle #pragma GCC poison. PoisonTok is the 'poison'.

Definition at line 430 of file Pragma.cpp.

References Diag(), clang::Token::is(), clang::IdentifierInfo::isFromAST(), isMacroDefined(), clang::Token::isNot(), clang::IdentifierInfo::isPoisoned(), clang::PreprocessorLexer::LexingRawMode, LexUnexpandedToken(), LookUpIdentifierInfo(), clang::IdentifierInfo::setChangedSinceDeserialization(), and clang::IdentifierInfo::setIsPoisoned().

HandlePragmaPopMacro()

void Preprocessor::HandlePragmaPopMacro

(

Token &

PopMacroTok

)

Handle #pragma pop_macro.

The syntax is:

#pragma pop_macro("macro")

Definition at line 638 of file Pragma.cpp.

References appendDefMacroDirective(), appendMacroDirective(), Diag(), clang::Token::getLocation(), getMacroInfo(), clang::IdentifierInfo::getName(), and ParsePragmaPushOrPopMacro().

HandlePragmaPushMacro()

void Preprocessor::HandlePragmaPushMacro

(

Token &

PushMacroTok

)

Handle #pragma push_macro.

The syntax is:

#pragma push_macro("macro")

Definition at line 615 of file Pragma.cpp.

References getMacroInfo(), ParsePragmaPushOrPopMacro(), and clang::MacroInfo::setIsAllowRedefinitionsWithoutWarning().

HandlePragmaSystemHeader()

void Preprocessor::HandlePragmaSystemHeader

(

Token &

SysHeaderTok

)

HandlePragmaSystemHeader - Implement #pragma GCC system_header.

We know that the whole directive has been parsed.

Definition at line 472 of file Pragma.cpp.

References clang::SourceManager::AddLineNote(), clang::SrcMgr::C_System, Diag(), getCurrentFileLexer(), clang::PreprocessorLexer::getFileEntry(), clang::PresumedLoc::getFilename(), clang::PresumedLoc::getLine(), clang::SourceManager::getLineTableFilenameID(), clang::Token::getLocation(), clang::SourceManager::getPresumedLoc(), isInPrimaryFile(), clang::PresumedLoc::isInvalid(), clang::HeaderSearch::MarkFileSystemHeader(), and clang::PPCallbacks::SystemHeaderPragma.

HandleSkippedDirectiveWhileUsingPCH()

void Preprocessor::HandleSkippedDirectiveWhileUsingPCH	(	Token &	Result,
		SourceLocation	HashLoc
	)

Process directives while skipping until the through header or #pragma hdrstop is found.

Process a directive while looking for the through header or a #pragma hdrstop.

The following directives are handled: include (to check if it is the through header) #define (to warn about macros that don't match the PCH) #pragma (to check for pragma hdrstop). All other directives are completely discarded.

Definition at line 1108 of file PPDirectives.cpp.

References DiscardUntilEndOfDirective(), HandlePragmaHdrstop(), Lex(), clang::dependency_directives_scan::pp_define, and clang::dependency_directives_scan::pp_include.

Referenced by HandleDirective().

hasRecordedPreamble()

bool clang::Preprocessor::hasRecordedPreamble ( ) const

inline

Definition at line 2580 of file Preprocessor.h.

IgnorePragmas()

void Preprocessor::IgnorePragmas

(

)

Install empty handlers for all pragmas (making them ignored).

Ignore all pragmas, useful for modes such as -Eonly which would otherwise warn about those pragmas being unknown.

Definition at line 2126 of file Pragma.cpp.

References AddPragmaHandler().

Referenced by DoPrintMacros(), clang::PreprocessOnlyAction::ExecuteAction(), and clang::RewriteIncludesInInput().

IncrementPasteCounter()

void clang::Preprocessor::IncrementPasteCounter ( bool  isFast )

inline

Increment the counters for the number of token paste operations performed.

If fast was specified, this is a 'fast paste' case we handled.

Definition at line 2072 of file Preprocessor.h.

Initialize()

void Preprocessor::Initialize	(	const TargetInfo &	Target,
		const TargetInfo *	AuxTarget = nullptr
	)

Initialize the preprocessor using information about the target.

Parameters

Target	is owned by the caller and must remain valid for the lifetime of the preprocessor.
AuxTarget	is owned by the caller and must remain valid for the lifetime of the preprocessor.

Definition at line 189 of file Preprocessor.cpp.

References clang::IdentifierTable::AddKeywords(), clang::LangOptions::FEM_Indeterminable, clang::LangOptions::FEM_UnsetOnCommandLine, getLangOpts(), getTargetInfo(), setCurrentFPEvalMethod(), clang::HeaderSearch::setTarget(), setTUFPEvalMethod(), and clang::Target.

InitializeForModelFile()

void Preprocessor::InitializeForModelFile

(

)

Initialize the preprocessor to parse a model file.

To parse model files the preprocessor of the original source is reused to preserver the identifier table. However to avoid some duplicate information in the preprocessor some cleanup is needed before it is used to parse model files. This method does that cleanup.

Definition at line 222 of file Preprocessor.cpp.

isAtEndOfMacroExpansion()

bool clang::Preprocessor::isAtEndOfMacroExpansion ( SourceLocation  loc, SourceLocation *  MacroEnd = nullptr  ) const

inline

Returns true if the given MacroID location points at the last token of the macro expansion.

Parameters

MacroEnd

If non-null and function returns true, it is set to end location of the macro.

Definition at line 2050 of file Preprocessor.h.

References clang::Lexer::isAtEndOfMacroExpansion().

isAtStartOfMacroExpansion()

bool clang::Preprocessor::isAtStartOfMacroExpansion ( SourceLocation  loc, SourceLocation *  MacroBegin = nullptr  ) const

inline

Returns true if the given MacroID location points at the first token of the macro expansion.

Parameters

MacroBegin

If non-null and function returns true, it is set to begin location of the macro.

Definition at line 2039 of file Preprocessor.h.

References clang::Lexer::isAtStartOfMacroExpansion().

isBacktrackEnabled()

bool clang::Preprocessor::isBacktrackEnabled ( ) const

inline

True if EnableBacktrackAtThisPos() was called and caching of tokens is on.

Definition at line 1591 of file Preprocessor.h.

Referenced by AnnotateCachedTokens(), ReplaceLastTokenWithAnnotation(), RevertCachedTokens(), and TypoCorrectToken().

isCodeCompletionEnabled()

bool clang::Preprocessor::isCodeCompletionEnabled ( ) const

inline

Determine if we are performing code completion.

Definition at line 1813 of file Preprocessor.h.

Referenced by clang::Sema::ActOnBlockStmtExpr(), clang::Sema::ActOnEndOfTranslationUnit(), EnterSourceFile(), HandleEndOfFile(), clang::Parser::Parser(), and setCodeCompletionReached().

isCodeCompletionReached()

bool clang::Preprocessor::isCodeCompletionReached ( ) const

inline

Returns true if code-completion is enabled and we have hit the code-completion point.

Definition at line 1831 of file Preprocessor.h.

Referenced by ProduceSignatureHelp().

isCurrentLexer()

bool clang::Preprocessor::isCurrentLexer ( const PreprocessorLexer *  L ) const

inline

Return true if we are lexing directly from the specified lexer.

Definition at line 1142 of file Preprocessor.h.

isIncrementalProcessingEnabled()

bool clang::Preprocessor::isIncrementalProcessingEnabled ( ) const

inline

Returns true if incremental processing is enabled.

Definition at line 1788 of file Preprocessor.h.

Referenced by clang::Sema::ActOnEndOfTranslationUnit(), HandleEndOfFile(), clang::IncrementalParser::Parse(), and clang::Parser::ParseTopLevelDecl().

isInPrimaryFile()

bool Preprocessor::isInPrimaryFile

(

)

const

Return true if we're in the top-level file, not in a #include.

isInPrimaryFile - Return true if we're in the top-level file, not in a #include.

This looks through macro expansions and active _Pragma lexers.

Definition at line 34 of file PPLexerChange.cpp.

Referenced by HandleEndOfFile(), HandlePragmaOnce(), and HandlePragmaSystemHeader().

isMacroDefined() [1/2]

bool clang::Preprocessor::isMacroDefined ( const IdentifierInfo *  II )

inline

Definition at line 1204 of file Preprocessor.h.

References bool, getLangOpts(), getMacroDefinition(), and clang::IdentifierInfo::hasMacroDefinition().

isMacroDefined() [2/2]

bool clang::Preprocessor::isMacroDefined ( StringRef  Id )

inline

Definition at line 1201 of file Preprocessor.h.

References clang::IdentifierTable::get(), and Id.

Referenced by clang::Sema::CheckPtrComparisonWithNullChar(), clang::arcmt::trans::getNilString(), HandleEndOfFile(), HandlePragmaPoison(), MaybeAddSentinel(), and clang::HeaderSearch::ShouldEnterIncludeFile().

isMacroDefinedInLocalModule()

bool clang::Preprocessor::isMacroDefinedInLocalModule ( const IdentifierInfo *  II, Module *  M  )

inline

Determine whether II is defined as a macro within the module M, if that is a module that we've already preprocessed.

Does not check for macros imported into M.

Definition at line 1212 of file Preprocessor.h.

References clang::IdentifierInfo::hasMacroDefinition().

Referenced by clang::HeaderSearch::ShouldEnterIncludeFile().

isParsingIfOrElifDirective()

bool clang::Preprocessor::isParsingIfOrElifDirective ( ) const

inline

True if we are currently preprocessing a if or #elif directive.

Definition at line 1108 of file Preprocessor.h.

Referenced by EvaluateHasIncludeCommon().

isPCHThroughHeader()

bool Preprocessor::isPCHThroughHeader

(

const FileEntry *

FE

)

Returns true if the FileEntry is the PCH through header.

Definition at line 616 of file Preprocessor.cpp.

References clang::SourceManager::getFileEntryForID(), and clang::FileID::isValid().

Referenced by HandleEndOfFile().

isPreprocessedOutput()

bool clang::Preprocessor::isPreprocessedOutput ( ) const

inline

Returns true if the preprocessor is responsible for generating output, false if it is producing tokens to be consumed by Parse and Sema.

Definition at line 1139 of file Preprocessor.h.

IsPreviousCachedToken()

bool Preprocessor::IsPreviousCachedToken

(

const Token &

Tok

)

const

Whether Tok is the most recent token (CachedLexPos - 1) in CachedTokens.

Definition at line 139 of file PPCaching.cpp.

References clang::Token::getKind(), getLastCachedTokenLocation(), clang::Token::getLocation(), and getSourceManager().

isRecordingPreamble()

bool clang::Preprocessor::isRecordingPreamble ( ) const

inline

Definition at line 2576 of file Preprocessor.h.

Referenced by HandleEndOfFile().

LeaveSubmodule()

Module * Preprocessor::LeaveSubmodule

(

bool

ForPragma

)

Definition at line 761 of file PPLexerChange.cpp.

References addModuleMacro(), getLangOpts(), clang::MacroDirective::getPrevious(), clang::Module::getTopLevelModuleName(), and makeModuleVisible().

Referenced by HandleEndOfFile().

Lex()

void Preprocessor::Lex

(

Token &

Result

)

Lex the next token for this preprocessor.

Definition at line 887 of file Preprocessor.cpp.

References clang::Decl::getEndLoc(), getIdentifierInfo(), clang::Decl::getKind(), getLangOpts(), clang::Decl::getLocation(), clang::ModuleLoader::HadFatalFailure, clang::Token::IsReinjected, LexAfterModuleImport(), setCodeCompletionIdentifierInfo(), and setCodeCompletionTokenRange().

Referenced by CheckEndOfDirective(), CollectPpImportSuffix(), clang::Parser::ConsumeToken(), DoPrintMacros(), clang::DoPrintPreprocessedInput(), clang::DumpTokensAction::ExecuteAction(), clang::PreprocessOnlyAction::ExecuteAction(), FinishLexStringLiteral(), FixDigraph(), HandleComment(), HandleMicrosoftCommentPaste(), HandlePragmaDependency(), HandlePragmaHdrstop(), HandlePragmaIncludeAlias(), HandleSkippedDirectiveWhileUsingPCH(), LexAfterModuleImport(), LexHeaderName(), clang::PreprocessorLexer::LexIncludeFilename(), LexNonComment(), LexStringLiteral(), LexUnexpandedToken(), ParseAlignPragma(), ParseLoopHintValue(), ParsePragmaPushOrPopMacro(), parseSimpleIntegerLiteral(), PrintPreprocessedTokens(), ReadLineMarkerFlags(), clang::RewriteIncludesInInput(), clang::RewriteMacrosInInput(), clang::Parser::TryAnnotateTypeOrScopeToken(), and clang::Parser::TryConsumeToken().

LexAfterModuleImport()

bool Preprocessor::LexAfterModuleImport

(

Token &

Result

)

Lex a token following the 'import' contextual keyword.

pp-import: [C++20]
      import header-name pp-import-suffix[opt] ;
      import header-name-tokens pp-import-suffix[opt] ;

[ObjC] @ import module-name ; [Clang] import module-name ;

header-name-tokens:
      string-literal
      < [any sequence of preprocessing-tokens other than >] >

module-name:
      module-name-qualifier[opt] identifier

module-name-qualifier
      module-name-qualifier[opt] identifier .

We respond to a pp-import by importing macros from the named module.

Definition at line 1146 of file Preprocessor.cpp.

References CollectPpImportSuffix(), Diag(), clang::comments::tok::eof, getIdentifierInfo(), clang::Decl::getKind(), getLangOpts(), clang::Decl::getLocation(), clang::ModuleLoader::HadFatalFailure, clang::Module::Hidden, clang::SourceLocation::isMacroID(), Lex(), LexHeaderName(), clang::ModuleLoader::loadModule(), makeModuleVisible(), clang::XRayInstrKind::None, recomputeCurLexerKind(), clang::Token::setIdentifierInfo(), clang::Token::setKind(), clang::Token::setLength(), clang::Token::setLocation(), clang::Token::startToken(), and string().

Referenced by Lex(), and SkipTokensWhileUsingPCH().

LexHeaderName()

bool Preprocessor::LexHeaderName	(	Token &	FilenameTok,
		bool	AllowMacroExpansion = true
	)

Lex a token, forming a header-name token if possible.

Lex a header-name token (including one formed from header-name-tokens if AllowConcatenation is true).

Parameters

FilenameTok	Filled in with the next token. On success, this will be either a header_name token. On failure, it will be whatever other token was found instead.
AllowMacroExpansion	If true, allow the header name to be formed by macro expansion (concatenating tokens as necessary if the first token is a '<').

Returns

true if we reached EOD or EOF while looking for a > token in a concatenated header name and diagnosed it. false otherwise.

Definition at line 1003 of file Preprocessor.cpp.

References CreateString(), Diag(), End, clang::comments::tok::eof, clang::Token::getLength(), clang::Token::getLocation(), getSpelling(), clang::Token::hasLeadingEmptyMacro(), clang::Token::hasLeadingSpace(), clang::Token::is(), clang::Token::isAtStartOfLine(), clang::Token::isNot(), clang::Token::isOneOf(), clang::Token::LeadingEmptyMacro, clang::Token::LeadingSpace, Lex(), clang::PreprocessorLexer::LexIncludeFilename(), memcpy(), setCodeCompletionReached(), clang::Token::setFlagValue(), clang::Token::setKind(), clang::Token::StartOfLine, and clang::Token::startToken().

Referenced by EvaluateHasIncludeCommon(), HandlePragmaDependency(), HandlePragmaIncludeAlias(), and LexAfterModuleImport().

LexNonComment()

void clang::Preprocessor::LexNonComment ( Token &  Result )

inline

Lex a token.

If it's a comment, keep lexing until we get something not a comment.

This is useful in -E -C mode where comments would foul up preprocessor directive handling.

Definition at line 1632 of file Preprocessor.h.

References Lex().

Referenced by EvaluateDefined(), EvaluateDirectiveSubExpr(), EvaluateHasIncludeCommon(), and EvaluateValue().

LexOnOffSwitch()

bool Preprocessor::LexOnOffSwitch

(

tok::OnOffSwitch &

Result

)

Lex an on-off-switch (C99 6.10.6p2) and verify that it is followed by EOD.

Return true if the token is not a valid on-off-switch.

Definition at line 956 of file Pragma.cpp.

References Diag(), clang::Token::getIdentifierInfo(), clang::Token::isNot(), clang::IdentifierInfo::isStr(), LexUnexpandedToken(), clang::tok::OOS_DEFAULT, clang::tok::OOS_OFF, and clang::tok::OOS_ON.

LexStringLiteral()

bool clang::Preprocessor::LexStringLiteral ( Token &  Result, std::string &  String, const char *  DiagnosticTag, bool  AllowMacroExpansion  )

inline

Lex a string literal, which may be the concatenation of multiple string literals and may even come from macro expansion.

Returns

true on success, false if a error diagnostic has been generated.

Definition at line 1611 of file Preprocessor.h.

References FinishLexStringLiteral(), Lex(), and LexUnexpandedToken().

Referenced by HandlePragmaHdrstop().

LexUnexpandedNonComment()

void clang::Preprocessor::LexUnexpandedNonComment ( Token &  Result )

inline

Like LexNonComment, but this disables macro expansion of identifier tokens.

Definition at line 1652 of file Preprocessor.h.

References LexUnexpandedToken().

Referenced by EvaluateDefined().

LexUnexpandedToken()

void clang::Preprocessor::LexUnexpandedToken ( Token &  Result )

inline

Just like Lex, but disables macro expansion of identifier tokens.

Definition at line 1639 of file Preprocessor.h.

References Lex().

Referenced by CheckEndOfDirective(), DiscardUntilEndOfDirective(), EvaluateFeatureLikeBuiltinMacro(), FinishLexStringLiteral(), HandleDirective(), clang::PragmaNamespace::HandlePragma(), HandlePragmaModuleBuild(), HandlePragmaPoison(), LexModuleName(), LexModuleNameComponent(), LexOnOffSwitch(), LexStringLiteral(), and LexUnexpandedNonComment().

LookAhead()

const Token& clang::Preprocessor::LookAhead ( unsigned  N )

inline

Peeks ahead N tokens and returns that token without consuming any tokens.

LookAhead(0) returns the next token that would be returned by Lex(), LookAhead(1) returns the token after it, etc. This returns normal tokens after phase 5. As such, it is equivalent to using 'Lex', not 'LexUnexpandedToken'.

Definition at line 1676 of file Preprocessor.h.

Referenced by clang::Parser::NextToken(), and clang::Parser::ParseMSAsmIdentifier().

LookupFile()

Optional< FileEntryRef > Preprocessor::LookupFile	(	SourceLocation	FilenameLoc,
		StringRef	Filename,
		bool	isAngled,
		ConstSearchDirIterator	FromDir,
		const FileEntry *	FromFile,
		ConstSearchDirIterator *	CurDir,
		SmallVectorImpl< char > *	SearchPath,
		SmallVectorImpl< char > *	RelativePath,
		ModuleMap::KnownHeader *	SuggestedModule,
		bool *	IsMapped,
		bool *	IsFrameworkFound,
		bool	SkipCache = false,
		bool	OpenFile = true,
		bool	CacheFailures = true
	)

Given a "foo" or <foo> reference, look up the indicated file.

Returns None on failure. isAngled indicates whether the file reference is for system #include's or not (i.e. using <> instead of "").

Definition at line 948 of file PPDirectives.cpp.

References clang::ModuleMap::diagnoseHeaderInclusion(), Filename, getCurrentFileLexer(), getCurrentModule(), clang::FileEntry::getDir(), clang::FileManager::getDirectory(), clang::PreprocessorLexer::getFileEntry(), clang::SourceManager::getFileEntryForID(), clang::PreprocessorLexer::getFileID(), clang::SourceManager::getMainFileID(), getModuleForLocation(), clang::HeaderSearch::getModuleMap(), clang::SourceManager::isInMainFile(), clang::Module::IsSystem, clang::HeaderSearch::LookupFile(), and clang::HeaderSearch::LookupSubframeworkHeader().

Referenced by EnterMainSourceFile(), EvaluateHasIncludeCommon(), and HandlePragmaDependency().

LookUpIdentifierInfo()

IdentifierInfo * Preprocessor::LookUpIdentifierInfo

(

Token &

Identifier

)

const

Given a tok::raw_identifier token, look up the identifier information for the token and install it into the token, updating the token kind accordingly.

LookUpIdentifierInfo - Given a tok::raw_identifier token, look up the identifier information for the token and install it into the token, updating the token kind accordingly.

Definition at line 718 of file Preprocessor.cpp.

References clang::expandUCNs(), getIdentifierInfo(), getSpelling(), clang::IdentifierInfo::getTokenID(), and Identifier.

Referenced by HandlePragmaPoison(), LexRawTokensFromMainFile(), and ParsePragmaPushOrPopMacro().

macro_begin()

Preprocessor::macro_iterator Preprocessor::macro_begin

(

bool

IncludeExternalMacros = true

)

const

Definition at line 318 of file Preprocessor.cpp.

References clang::ExternalPreprocessorSource::ReadDefinedMacros().

Referenced by DoPrintMacros(), and macros().

macro_end()

Preprocessor::macro_iterator Preprocessor::macro_end

(

bool

IncludeExternalMacros = true

)

const

Definition at line 345 of file Preprocessor.cpp.

References clang::ExternalPreprocessorSource::ReadDefinedMacros().

Referenced by DoPrintMacros(), and macros().

macros()

llvm::iterator_range<macro_iterator> clang::Preprocessor::macros ( bool  IncludeExternalMacros = true ) const

inline

Definition at line 1332 of file Preprocessor.h.

References macro_begin(), and macro_end().

Referenced by indexPreprocessorMacros(), and indexPreprocessorModuleMacros().

makeModuleVisible()

void Preprocessor::makeModuleVisible	(	Module *	M,
		SourceLocation	Loc
	)

Definition at line 1322 of file Preprocessor.cpp.

References Diag().

Referenced by EnterSubmodule(), clang::ASTReader::InitializeContext(), LeaveSubmodule(), and LexAfterModuleImport().

markIncluded()

bool clang::Preprocessor::markIncluded ( const FileEntry *  File )

inline

Mark the file as included.

Returns true if this is the first time the file was included.

Definition at line 1358 of file Preprocessor.h.

References clang::File, and clang::HeaderSearch::getFileInfo().

Referenced by EnterMainSourceFile(), and clang::HeaderSearch::ShouldEnterIncludeFile().

markMacroAsUsed()

void Preprocessor::markMacroAsUsed

(

MacroInfo *

MI

)

A macro is used, update information about macros that need unused warnings.

Definition at line 1944 of file PPMacroExpansion.cpp.

References clang::MacroInfo::getDefinitionLoc(), clang::MacroInfo::isUsed(), clang::MacroInfo::isWarnIfUnused(), and clang::MacroInfo::setIsUsed().

Referenced by EvaluateDefined().

markModuleAsAffecting()

void clang::Preprocessor::markModuleAsAffecting ( Module *  M )

inline

Mark the given module as affecting the current module or translation unit.

Definition at line 1341 of file Preprocessor.h.

MaybeHandlePoisonedIdentifier()

void clang::Preprocessor::MaybeHandlePoisonedIdentifier ( Token &  Identifier )

inline

Definition at line 2110 of file Preprocessor.h.

References HandlePoisonedIdentifier(), and Identifier.

mightHavePendingAnnotationTokens()

bool clang::Preprocessor::mightHavePendingAnnotationTokens ( )

inline

Determine whether it's possible for a future call to Lex to produce an annotation token created by a previous call to EnterAnnotationToken.

Definition at line 1771 of file Preprocessor.h.

overrideMaxTokens()

void clang::Preprocessor::overrideMaxTokens ( unsigned  Value, SourceLocation  Loc  )

inline

Definition at line 1185 of file Preprocessor.h.

ParsePragmaPushOrPopMacro()

IdentifierInfo * Preprocessor::ParsePragmaPushOrPopMacro

(

Token &

Tok

)

ParsePragmaPushOrPopMacro - Handle parsing of pragma push_macro/pop_macro.

Return the IdentifierInfo* associated with the macro to push or pop.

Definition at line 560 of file Pragma.cpp.

References CreateString(), Diag(), clang::Token::getLocation(), getSpelling(), clang::Token::hasUDSuffix(), clang::Token::isNot(), Lex(), LookUpIdentifierInfo(), clang::Token::setKind(), clang::Token::startToken(), and string().

Referenced by HandlePragmaPopMacro(), and HandlePragmaPushMacro().

parseSimpleIntegerLiteral()

bool Preprocessor::parseSimpleIntegerLiteral	(	Token &	Tok,
		uint64_t &	Value
	)

Parses a simple integer literal to get its numeric value.

Floating point literals and user defined literals are rejected. Used primarily to handle pragmas that accept integer arguments.

Definition at line 1380 of file Preprocessor.cpp.

References getDiagnostics(), getLangOpts(), clang::Token::getLocation(), getSourceManager(), getSpelling(), getTargetInfo(), clang::Token::is(), and Lex().

PoisonSEHIdentifiers()

void Preprocessor::PoisonSEHIdentifiers

(

bool

Poison = true

)

Definition at line 757 of file Preprocessor.cpp.

References clang::IdentifierInfo::setIsPoisoned().

PrintStats()

void Preprocessor::PrintStats

(

)

Definition at line 279 of file Preprocessor.cpp.

References getTotalMemory().

Referenced by clang::FrontendAction::EndSourceFile().

processPathForFileMacro()

void Preprocessor::processPathForFileMacro ( SmallVectorImpl< char > &  Path, const LangOptions &  LangOpts, const TargetInfo &  TI  )

static

Definition at line 1952 of file PPMacroExpansion.cpp.

Referenced by clang::SourceLocExpr::EvaluateInContext().

recomputeCurLexerKind()

void Preprocessor::recomputeCurLexerKind

(

)

Recompute the current lexer kind based on the CurLexer/ CurTokenLexer pointers.

Definition at line 389 of file Preprocessor.cpp.

Referenced by Backtrack(), HandleEndOfFile(), and LexAfterModuleImport().

removeCommentHandler()

void Preprocessor::removeCommentHandler

(

CommentHandler *

Handler

)

Remove the specified comment handler.

It is an error to remove a handler that has not been registered.

Definition at line 1407 of file Preprocessor.cpp.

Referenced by clang::Parser::~Parser().

RemovePragmaHandler() [1/2]

void clang::Preprocessor::RemovePragmaHandler ( PragmaHandler *  Handler )

inline

Definition at line 1409 of file Preprocessor.h.

References RemovePragmaHandler().

RemovePragmaHandler() [2/2]

void Preprocessor::RemovePragmaHandler	(	StringRef	Namespace,
		PragmaHandler *	Handler
	)

Remove the specific pragma handler from this preprocessor.

RemovePragmaHandler - Remove the specific pragma handler from the preprocessor.

If Namespace is non-null, then it should be the namespace that Handler was added to. It is an error to remove a handler that has not been registered.

If

• Namespace is non-null, then it should be the namespace that
• Handler was added to. It is an error to remove a handler that has not been registered.

Definition at line 934 of file Pragma.cpp.

References clang::PragmaHandler::getIfNamespace(), clang::PragmaNamespace::IsEmpty(), and clang::PragmaNamespace::RemovePragmaHandler().

Referenced by clang::DoPrintPreprocessedInput(), and RemovePragmaHandler().

RemoveTopOfLexerStack()

void Preprocessor::RemoveTopOfLexerStack

(

)

Pop the current lexer/macro exp off the top of the lexer stack.

RemoveTopOfLexerStack - Pop the current lexer/macro exp off the top of the lexer stack.

This should only be used in situations where the current state of the top-of-stack lexer is known.

This should only be used in situations where the current state of the top-of-stack lexer is unknown.

Definition at line 607 of file PPLexerChange.cpp.

Referenced by HandleEndOfFile().

ReplaceLastTokenWithAnnotation()

void clang::Preprocessor::ReplaceLastTokenWithAnnotation ( const Token &  Tok )

inline

Replace the last token with an annotation token.

Like AnnotateCachedTokens(), this routine replaces an already-parsed (and resolved) token with an annotation token. However, this routine only replaces the last token with the annotation token; it does not affect any other cached tokens. This function has no effect if backtracking is not enabled.

Definition at line 1759 of file Preprocessor.h.

References clang::Token::isAnnotation(), and isBacktrackEnabled().

ReplacePreviousCachedToken()

void Preprocessor::ReplacePreviousCachedToken

(

ArrayRef< Token >

NewToks

)

Replace token in CachedLexPos - 1 in CachedTokens by the tokens in NewToks.

Useful when a token needs to be split in smaller ones and CachedTokens most recent token must to be updated to reflect that.

Definition at line 157 of file PPCaching.cpp.

RevertCachedTokens()

void clang::Preprocessor::RevertCachedTokens ( unsigned  N )

inline

When backtracking is enabled and tokens are cached, this allows to revert a specific number of tokens.

Note that the number of tokens being reverted should be up to the last backtrack position, not more.

Definition at line 1689 of file Preprocessor.h.

References isBacktrackEnabled().

SawDateOrTime()

bool clang::Preprocessor::SawDateOrTime ( ) const

inline

Returns true if the preprocessor has seen a use of DATE or TIME in the file so far.

Definition at line 2185 of file Preprocessor.h.

setCodeCompletionHandler()

void clang::Preprocessor::setCodeCompletionHandler ( CodeCompletionHandler &  Handler )

inline

Set the code completion handler to the given object.

Definition at line 1430 of file Preprocessor.h.

Referenced by clang::Parser::Parser().

setCodeCompletionIdentifierInfo()

void clang::Preprocessor::setCodeCompletionIdentifierInfo ( IdentifierInfo *  Filter )

inline

Set the code completion token for filtering purposes.

Definition at line 1453 of file Preprocessor.h.

References clang::tooling::Filter.

Referenced by Lex().

SetCodeCompletionPoint()

bool Preprocessor::SetCodeCompletionPoint	(	const FileEntry *	File,
		unsigned	Line,
		unsigned	Column
	)

Specify the point at which code-completion will be performed.

Parameters

File	the file in which code completion should occur. If this file is included multiple times, code-completion will perform completion the first time it is included. If NULL, this function clears out the code-completion point.
Line	the line at which code completion should occur (1-based).
Column	the column at which code completion should occur (1-based).

Returns

true if an error occurred, false otherwise.

Definition at line 400 of file Preprocessor.cpp.

References clang::File, and clang::SourceManager::getMemoryBufferForFileOrNone().

Referenced by EnableCodeCompletion().

setCodeCompletionReached()

void clang::Preprocessor::setCodeCompletionReached ( )

inline

Note that we hit the code-completion point.

Definition at line 1834 of file Preprocessor.h.

References getDiagnostics(), isCodeCompletionEnabled(), and clang::DiagnosticsEngine::setSuppressAllDiagnostics().

Referenced by CodeCompleteIncludedFile(), CodeCompleteNaturalLanguage(), EvaluateDefined(), EvaluateValue(), HandleDirective(), and LexHeaderName().

setCodeCompletionTokenRange()

void clang::Preprocessor::setCodeCompletionTokenRange ( const SourceLocation  Start, const SourceLocation  End  )

inline

Set the code completion token range for detecting replacement range later on.

Definition at line 1459 of file Preprocessor.h.

References End.

Referenced by Lex().

SetCommentRetentionState()

void clang::Preprocessor::SetCommentRetentionState ( bool  KeepComments, bool  KeepMacroComments  )

inline

Control whether the preprocessor retains comments in output.

Definition at line 1113 of file Preprocessor.h.

Referenced by clang::DoPrintPreprocessedInput().

setCounterValue()

void clang::Preprocessor::setCounterValue ( unsigned  V )

inline

Definition at line 2189 of file Preprocessor.h.

References V.

setCurrentFPEvalMethod()

void clang::Preprocessor::setCurrentFPEvalMethod ( SourceLocation  PragmaLoc, LangOptions::FPEvalMethodKind  Val  )

inline

Definition at line 2214 of file Preprocessor.h.

References clang::LangOptions::FEM_UnsetOnCommandLine.

Referenced by clang::Sema::ActOnPragmaFloatControl(), clang::Sema::ActOnPragmaFPEvalMethod(), and Initialize().

setDiagnostics()

void clang::Preprocessor::setDiagnostics ( DiagnosticsEngine &  D )

inline

Definition at line 1071 of file Preprocessor.h.

setEmptylineHandler()

void clang::Preprocessor::setEmptylineHandler ( EmptylineHandler *  Handler )

inline

Set empty line handler.

Definition at line 1417 of file Preprocessor.h.

Referenced by clang::CodeGen::CoverageMappingModuleGen::setUpCoverageCallbacks().

setExternalSource()

void clang::Preprocessor::setExternalSource ( ExternalPreprocessorSource *  Source )

inline

Definition at line 1086 of file Preprocessor.h.

setLastFPEvalMethod()

void clang::Preprocessor::setLastFPEvalMethod ( LangOptions::FPEvalMethodKind  Val )

inline

Definition at line 2210 of file Preprocessor.h.

Referenced by clang::Sema::ActOnPragmaFloatControl().

setLoadedMacroDirective()

void Preprocessor::setLoadedMacroDirective	(	IdentifierInfo *	II,
		MacroDirective *	ED,
		MacroDirective *	MD
	)

Set a MacroDirective that was loaded from a PCH file.

Definition at line 97 of file PPMacroExpansion.cpp.

References clang::MacroDirective::isDefined(), clang::IdentifierInfo::setHasMacroDefinition(), and clang::MacroDirective::setPrevious().

SetMacroExpansionOnlyInDirectives()

void clang::Preprocessor::SetMacroExpansionOnlyInDirectives ( )

inline

Disables macro expansion everywhere except for preprocessor directives.

Definition at line 1664 of file Preprocessor.h.

Referenced by clang::DoPrintPreprocessedInput(), and clang::RewriteIncludesInInput().

setMainFileDir()

void clang::Preprocessor::setMainFileDir ( const DirectoryEntry *  Dir )

inline

Set the directory in which the main file should be considered to have been found, if it is not a real file.

Definition at line 1888 of file Preprocessor.h.

Referenced by prepareToBuildModule().

SetPoisonReason()

void Preprocessor::SetPoisonReason	(	IdentifierInfo *	II,
		unsigned	DiagID
	)

Specifies the reason for poisoning an identifier.

If that identifier is accessed while poisoned, then this reason will be used instead of the default "poisoned" diagnostic.

Definition at line 753 of file Preprocessor.cpp.

Referenced by clang::Parser::Initialize().

setPragmaARCCFCodeAuditedInfo()

void clang::Preprocessor::setPragmaARCCFCodeAuditedInfo ( IdentifierInfo *  Ident, SourceLocation  Loc  )

inline

Set the location of the currently-active #pragma clang arc_cf_code_audited begin.

An invalid location ends the pragma.

Definition at line 1852 of file Preprocessor.h.

setPragmaAssumeNonNullLoc()

void clang::Preprocessor::setPragmaAssumeNonNullLoc ( SourceLocation  Loc )

inline

Set the location of the currently-active #pragma clang assume_nonnull begin.

An invalid location ends the pragma.

Definition at line 1867 of file Preprocessor.h.

setPragmasEnabled()

void clang::Preprocessor::setPragmasEnabled ( bool  Enabled )

inline

Definition at line 1120 of file Preprocessor.h.

setPreambleRecordedPragmaAssumeNonNullLoc()

void clang::Preprocessor::setPreambleRecordedPragmaAssumeNonNullLoc ( SourceLocation  Loc )

inline

Record the location of the unterminated #pragma clang assume_nonnull begin in the preamble.

Definition at line 1882 of file Preprocessor.h.

setPredefines()

void clang::Preprocessor::setPredefines ( std::string  P )

inline

Set the predefines for this Preprocessor.

These predefines are automatically injected when parsing the main file.

Definition at line 1386 of file Preprocessor.h.

References P.

Referenced by createASTReader(), and clang::CompilerInstance::createPCHExternalASTSource().

setPreprocessedOutput()

void clang::Preprocessor::setPreprocessedOutput ( bool  IsPreprocessedOutput )

inline

Sets whether the preprocessor is responsible for producing output or if it is producing tokens to be consumed by Parse and Sema.

Definition at line 1133 of file Preprocessor.h.

setPreprocessToken()

void clang::Preprocessor::setPreprocessToken ( bool  Preprocess )

inline

Definition at line 1199 of file Preprocessor.h.

References clang::driver::phases::Preprocess.

Referenced by clang::CodeGen::CoverageMappingModuleGen::setUpCoverageCallbacks().

setRecordedPreambleConditionalStack()

void clang::Preprocessor::setRecordedPreambleConditionalStack ( ArrayRef< PPConditionalInfo >  s )

inline

Definition at line 2588 of file Preprocessor.h.

References s.

setReplayablePreambleConditionalStack()

void clang::Preprocessor::setReplayablePreambleConditionalStack ( ArrayRef< PPConditionalInfo >  s, llvm::Optional< PreambleSkipInfo >  SkipInfo  )

inline

Definition at line 2592 of file Preprocessor.h.

References s.

setSkipMainFilePreamble()

void clang::Preprocessor::setSkipMainFilePreamble ( unsigned  Bytes, bool  StartOfLine  )

inline

Instruct the preprocessor to skip part of the main source file.

Parameters

Bytes	The number of bytes in the preamble to skip.
StartOfLine	Whether skipping these bytes puts the lexer at the start of a line.

Definition at line 1898 of file Preprocessor.h.

SetSuppressIncludeNotFoundError()

void clang::Preprocessor::SetSuppressIncludeNotFoundError ( bool  Suppress )

inline

Definition at line 1123 of file Preprocessor.h.

Referenced by clang::DependencyFileGenerator::attachToPreprocessor().

setTokenWatcher()

void clang::Preprocessor::setTokenWatcher ( llvm::unique_function< void(const clang::Token &)>  F )

inline

Register a function that would be called on each token in the final expanded token stream.

This also reports annotation tokens produced by the parser.

Definition at line 1195 of file Preprocessor.h.

Referenced by clang::MacroExpansionContext::registerForPreprocessor(), clang::CodeGen::CoverageMappingModuleGen::setUpCoverageCallbacks(), and clang::syntax::TokenCollector::TokenCollector().

setTUFPEvalMethod()

void clang::Preprocessor::setTUFPEvalMethod ( LangOptions::FPEvalMethodKind  Val )

inline

Definition at line 2225 of file Preprocessor.h.

References clang::LangOptions::FEM_UnsetOnCommandLine.

Referenced by Initialize().

SkipTokensWhileUsingPCH()

void Preprocessor::SkipTokensWhileUsingPCH

(

)

Skip tokens until after the include of the through header or until after a #pragma hdrstop.

Skip tokens until after the include of the through header or until after a #pragma hdrstop is seen.

Tokens in the predefines file and the main file may be skipped. If the end of the predefines file is reached, skipping continues into the main file. If the end of the main file is reached, it's a fatal error.

Definition at line 645 of file Preprocessor.cpp.

References Diag(), clang::comments::tok::eof, getPredefinesFileID(), clang::Token::is(), and LexAfterModuleImport().

Referenced by EnterMainSourceFile().

SplitToken()

SourceLocation Preprocessor::SplitToken	(	SourceLocation	TokLoc,
		unsigned	Length
	)

Split the first Length characters out of the token starting at TokLoc and return a location pointing to the split token.

Re-lexing from the split token will return the split token rather than the original.

Definition at line 514 of file Preprocessor.cpp.

References clang::SourceLocation::getLocWithOffset(), getSourceManager(), and SM.

TypoCorrectToken()

void clang::Preprocessor::TypoCorrectToken ( const Token &  Tok )

inline

Update the current token to represent the provided identifier, in order to cache an action performed by typo correction.

Definition at line 1777 of file Preprocessor.h.

References clang::Token::getIdentifierInfo(), and isBacktrackEnabled().

usingPCHWithPragmaHdrStop()

bool Preprocessor::usingPCHWithPragmaHdrStop

(

)

True if using a PCH with a #pragma hdrstop.

Definition at line 636 of file Preprocessor.cpp.

References clang::TU_Prefix, and TUKind.

Referenced by EnterMainSourceFile(), and HandlePragmaHdrstop().

usingPCHWithThroughHeader()

bool Preprocessor::usingPCHWithThroughHeader

(

)

True if using a PCH with a through header.

Definition at line 627 of file Preprocessor.cpp.

References clang::FileID::isValid(), clang::TU_Prefix, and TUKind.

Referenced by EnterMainSourceFile().

Friends And Related Function Documentation

ASTReader

friend class ASTReader

friend

Definition at line 547 of file Preprocessor.h.

MacroArgs

friend class MacroArgs

friend

Definition at line 548 of file Preprocessor.h.

TokenLexer::ExpandFunctionArguments

void TokenLexer::ExpandFunctionArguments ( )

friend

VAOptDefinitionContext

friend class VAOptDefinitionContext

friend

Definition at line 130 of file Preprocessor.h.

VariadicMacroScopeGuard

friend class VariadicMacroScopeGuard

friend

Definition at line 131 of file Preprocessor.h.

Member Data Documentation

TUKind

const TranslationUnitKind clang::Preprocessor::TUKind

The kind of translation unit we are processing.

Definition at line 291 of file Preprocessor.h.

Referenced by clang::CompilerInstance::createASTContext(), creatingPCHWithPragmaHdrStop(), creatingPCHWithThroughHeader(), HandleEndOfFile(), HandlePragmaOnce(), usingPCHWithPragmaHdrStop(), and usingPCHWithThroughHeader().

---

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

• include/clang/Lex/Preprocessor.h
• lib/Lex/PPCaching.cpp
• lib/Lex/PPDirectives.cpp
• lib/Lex/PPExpressions.cpp
• lib/Lex/PPLexerChange.cpp
• lib/Lex/PPMacroExpansion.cpp
• lib/Lex/Pragma.cpp
• lib/Lex/Preprocessor.cpp