Describes a module or submodule. More...

#include "clang/Basic/Module.h"

Collaboration diagram for clang::Module:

[legend]

Classes
struct	Conflict
	A conflict between two modules. More...

struct	DirectoryName
	Information about a directory name as found in the module map file. More...

struct	Header
	Information about a header directive as found in the module map file. More...

struct	LinkLibrary
	A library or framework to link against when an entity from this module is used. More...

struct	UnresolvedConflict
	An unresolved conflict with another module. More...

struct	UnresolvedExportDecl
	Describes an exported module that has not yet been resolved (perhaps because the module it refers to has not yet been loaded). More...

struct	UnresolvedHeaderDirective
	Stored information about a header directive that was found in the module map file but has not been resolved to a file. More...

Public Types
enum	ModuleKind { ModuleMapModule, ModuleInterfaceUnit, GlobalModuleFragment, PrivateModuleFragment }

enum	HeaderKind { HK_Normal, HK_Textual, HK_Private, HK_PrivateTextual, HK_Excluded }

enum	NameVisibilityKind { Hidden, AllVisible }
	Describes the visibility of the various names within a particular module. More...

using	Requirement = std::pair< std::string, bool >
	An individual requirement: a feature name and a flag indicating the required state of that feature. More...

using	ExportDecl = llvm::PointerIntPair< Module *, 1, bool >
	Describes an exported module. More...

using	submodule_iterator = std::vector< Module * >::iterator

using	submodule_const_iterator = std::vector< Module * >::const_iterator

Public Member Functions
bool	isModulePurview () const
	Does this Module scope describe part of the purview of a named C++ module? More...

bool	isGlobalModule () const
	Does this Module scope describe a fragment of the global module within some C++ module. More...

	Module (StringRef Name, SourceLocation DefinitionLoc, Module *Parent, bool IsFramework, bool IsExplicit, unsigned VisibilityID)
	Construct a new module or submodule. More...

	~Module ()

bool	isUnimportable () const
	Determine whether this module has been declared unimportable. More...

bool	isUnimportable (const LangOptions &LangOpts, const TargetInfo &Target, Requirement &Req, Module *&ShadowingModule) const
	Determine whether this module has been declared unimportable. More...

bool	isAvailable () const
	Determine whether this module is available for use within the current translation unit. More...

bool	isAvailable (const LangOptions &LangOpts, const TargetInfo &Target, Requirement &Req, UnresolvedHeaderDirective &MissingHeader, Module *&ShadowingModule) const
	Determine whether this module is available for use within the current translation unit. More...

bool	isSubModule () const
	Determine whether this module is a submodule. More...

bool	isSubModuleOf (const Module *Other) const
	Check if this module is a (possibly transitive) submodule of `Other`. More...

bool	isPartOfFramework () const
	Determine whether this module is a part of a framework, either because it is a framework module or because it is a submodule of a framework module. More...

bool	isSubFramework () const
	Determine whether this module is a subframework of another framework. More...

void	setParent (Module *M)
	Set the parent of this module. More...

std::string	getFullModuleName (bool AllowStringLiterals=false) const
	Retrieve the full name of this module, including the path from its top-level module. More...

bool	fullModuleNameIs (ArrayRef< StringRef > nameParts) const
	Whether the full name of this module is equal to joining `nameParts` with "."s. More...

Module *	getTopLevelModule ()
	Retrieve the top-level module for this (sub)module, which may be this module. More...

const Module *	getTopLevelModule () const
	Retrieve the top-level module for this (sub)module, which may be this module. More...

StringRef	getTopLevelModuleName () const
	Retrieve the name of the top-level module. More...

OptionalFileEntryRefDegradesToFileEntryPtr	getASTFile () const
	The serialized AST file for this module, if one was created. More...

void	setASTFile (Optional< FileEntryRef > File)
	Set the serialized AST file for the top-level module of this module. More...

DirectoryName	getUmbrellaDir () const
	Retrieve the directory for which this module serves as the umbrella. More...

Header	getUmbrellaHeader () const
	Retrieve the header that serves as the umbrella header for this module. More...

bool	hasUmbrellaDir () const
	Determine whether this module has an umbrella directory that is not based on an umbrella header. More...

void	addTopHeader (const FileEntry *File)
	Add a top-level header associated with this module. More...

void	addTopHeaderFilename (StringRef Filename)
	Add a top-level header filename associated with this module. More...

ArrayRef< const FileEntry * >	getTopHeaders (FileManager &FileMgr)
	The top-level headers associated with this module. More...

bool	directlyUses (const Module *Requested) const
	Determine whether this module has declared its intention to directly use another module. More...

void	addRequirement (StringRef Feature, bool RequiredState, const LangOptions &LangOpts, const TargetInfo &Target)
	Add the given feature requirement to the list of features required by this module. More...

void	markUnavailable (bool Unimportable)
	Mark this module and all of its submodules as unavailable. More...

Module *	findSubmodule (StringRef Name) const
	Find the submodule with the given name. More...

Module *	findOrInferSubmodule (StringRef Name)

bool	isModuleVisible (const Module *M) const
	Determine whether the specified module would be visible to a lookup at the end of this module. More...

unsigned	getVisibilityID () const

submodule_iterator	submodule_begin ()

submodule_const_iterator	submodule_begin () const

submodule_iterator	submodule_end ()

submodule_const_iterator	submodule_end () const

llvm::iterator_range< submodule_iterator >	submodules ()

llvm::iterator_range< submodule_const_iterator >	submodules () const

void	getExportedModules (SmallVectorImpl< Module * > &Exported) const
	Appends this module's list of exported modules to `Exported`. More...

void	print (raw_ostream &OS, unsigned Indent=0, bool Dump=false) const
	Print the module map for this module to the given stream. More...

void	dump () const
	Dump the contents of this module to the given output stream. More...

Static Public Member Functions
static StringRef	getModuleInputBufferName ()

Public Attributes
std::string	Name
	The name of this module. More...

SourceLocation	DefinitionLoc
	The location of the module definition. More...

ModuleKind	Kind = ModuleMapModule
	The kind of this module. More...

Module *	Parent
	The parent of this module. More...

const DirectoryEntry *	Directory = nullptr
	The build directory of this module. More...

std::string	PresumedModuleMapFile
	The presumed file name for the module map defining this module. More...

llvm::PointerUnion< const FileEntry , const DirectoryEntry >	Umbrella
	The umbrella header or directory. More...

ASTFileSignature	Signature
	The module signature. More...

std::string	UmbrellaAsWritten
	The name of the umbrella entry, as written in the module map. More...

std::string	UmbrellaRelativeToRootModuleDirectory

std::string	ExportAsModule
	The module through which entities defined in this module will eventually be exposed, for use in "private" modules. More...

SmallVector< Header, 2 >	Headers [5]
	The headers that are part of this module. More...

SmallVector< UnresolvedHeaderDirective, 1 >	UnresolvedHeaders
	Headers that are mentioned in the module map file but that we have not yet attempted to resolve to a file on the file system. More...

SmallVector< UnresolvedHeaderDirective, 1 >	MissingHeaders
	Headers that are mentioned in the module map file but could not be found on the file system. More...

SmallVector< Requirement, 2 >	Requirements
	The set of language features required to use this module. More...

Module *	ShadowingModule = nullptr
	A module with the same name that shadows this module. More...

unsigned	IsUnimportable: 1
	Whether this module has declared itself unimportable, either because it's missing a requirement from `Requirements` or because it's been shadowed by another module. More...

unsigned	HasIncompatibleModuleFile: 1
	Whether we tried and failed to load a module file for this module. More...

unsigned	IsAvailable: 1
	Whether this module is available in the current translation unit. More...

unsigned	IsFromModuleFile: 1
	Whether this module was loaded from a module file. More...

unsigned	IsFramework: 1
	Whether this is a framework module. More...

unsigned	IsExplicit: 1
	Whether this is an explicit submodule. More...

unsigned	IsSystem: 1
	Whether this is a "system" module (which assumes that all headers in it are system headers). More...

unsigned	IsExternC: 1
	Whether this is an 'extern "C"' module (which implicitly puts all headers in it within an 'extern "C"' block, and allows the module to be imported within such a block). More...

unsigned	IsInferred: 1
	Whether this is an inferred submodule (module * { ... }). More...

unsigned	InferSubmodules: 1
	Whether we should infer submodules for this module based on the headers. More...

unsigned	InferExplicitSubmodules: 1
	Whether, when inferring submodules, the inferred submodules should be explicit. More...

unsigned	InferExportWildcard: 1
	Whether, when inferring submodules, the inferr submodules should export all modules they import (e.g., the equivalent of "export *"). More...

unsigned	ConfigMacrosExhaustive: 1
	Whether the set of configuration macros is exhaustive. More...

unsigned	NoUndeclaredIncludes: 1
	Whether files in this module can only include non-modular headers and headers from used modules. More...

unsigned	ModuleMapIsPrivate: 1
	Whether this module came from a "private" module map, found next to a regular (public) module map. More...

NameVisibilityKind	NameVisibility
	The visibility of names within this particular module. More...

SourceLocation	InferredSubmoduleLoc
	The location of the inferred submodule. More...

llvm::SmallSetVector< Module *, 2 >	Imports
	The set of modules imported by this module, and on which this module depends. More...

SmallVector< ExportDecl, 2 >	Exports
	The set of export declarations. More...

SmallVector< UnresolvedExportDecl, 2 >	UnresolvedExports
	The set of export declarations that have yet to be resolved. More...

SmallVector< Module *, 2 >	DirectUses
	The directly used modules. More...

SmallVector< ModuleId, 2 >	UnresolvedDirectUses
	The set of use declarations that have yet to be resolved. More...

llvm::SmallVector< LinkLibrary, 2 >	LinkLibraries
	The set of libraries or frameworks to link against when an entity from this module is used. More...

bool	UseExportAsModuleLinkName = false
	Autolinking uses the framework name for linking purposes when this is false and the export_as name otherwise. More...

std::vector< std::string >	ConfigMacros
	The set of "configuration macros", which are macros that (intentionally) change how this module is built. More...

std::vector< UnresolvedConflict >	UnresolvedConflicts
	The list of conflicts for which the module-id has not yet been resolved. More...

std::vector< Conflict >	Conflicts
	The list of conflicts. More...

Static Public Attributes
static const int	NumHeaderKinds = HK_Excluded + 1

Detailed Description

Describes a module or submodule.

Definition at line 96 of file Module.h.

Member Typedef Documentation

◆ ExportDecl

using clang::Module::ExportDecl = llvm::PointerIntPair<Module *, 1, bool>

Describes an exported module.

The pointer is the module being re-exported, while the bit will be true to indicate that this is a wildcard export.

Definition at line 337 of file Module.h.

◆ Requirement

using clang::Module::Requirement = std::pair<std::string, bool>

An individual requirement: a feature name and a flag indicating the required state of that feature.

Definition at line 239 of file Module.h.

◆ submodule_const_iterator

using clang::Module::submodule_const_iterator = std::vector<Module *>::const_iterator

Definition at line 625 of file Module.h.

◆ submodule_iterator

using clang::Module::submodule_iterator = std::vector<Module *>::iterator

Definition at line 624 of file Module.h.

Member Enumeration Documentation

◆ HeaderKind

enum clang::Module::HeaderKind

Enumerator
HK_Normal
HK_Textual
HK_Private
HK_PrivateTextual
HK_Excluded

Definition at line 185 of file Module.h.

◆ ModuleKind

enum clang::Module::ModuleKind

Enumerator
ModuleMapModule	This is a module that was defined by a module map and built out of header files.
ModuleInterfaceUnit	This is a C++ Modules TS module interface unit.
GlobalModuleFragment	This is a fragment of the global module within some C++ module.
PrivateModuleFragment	This is the private module fragment within some C++ module.

Definition at line 104 of file Module.h.

◆ NameVisibilityKind

enum clang::Module::NameVisibilityKind

Describes the visibility of the various names within a particular module.

Enumerator
Hidden	All of the names in this module are hidden.
AllVisible	All of the names in this module are visible.

Definition at line 316 of file Module.h.

Constructor & Destructor Documentation

◆ Module()

Module::Module	(	StringRef	Name,
		SourceLocation	DefinitionLoc,
		Module *	Parent,
		bool	IsFramework,
		bool	IsExplicit,
		unsigned	VisibilityID
	)

Construct a new module or submodule.

Definition at line 37 of file Module.cpp.

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

◆ ~Module()

Module::~Module ( )

Definition at line 61 of file Module.cpp.

References submodule_begin(), and submodule_end().

Member Function Documentation

◆ addRequirement()

void Module::addRequirement	(	StringRef	Feature,
		bool	RequiredState,
		const LangOptions &	LangOpts,
		const TargetInfo &	Target
	)

Add the given feature requirement to the list of features required by this module.

Parameters

Feature	The feature that is required by this module (and its submodules).
RequiredState	The required state of this feature: `true` if it must be present, `false` if it must be absent.
LangOpts	The set of language options that will be used to evaluate the availability of this feature.
Target	The target options that will be used to evaluate the availability of this feature.

Definition at line 288 of file Module.cpp.

References hasFeature(), markUnavailable(), Requirements, string(), and clang::Target.

◆ addTopHeader()

void Module::addTopHeader ( const FileEntry * File )

Add a top-level header associated with this module.

Definition at line 252 of file Module.cpp.

References clang::File.

Referenced by collectModuleHeaderIncludes().

◆ addTopHeaderFilename()

void clang::Module::addTopHeaderFilename ( StringRef Filename )

inline

Add a top-level header filename associated with this module.

Definition at line 572 of file Module.h.

References Filename, and string().

◆ directlyUses()

bool Module::directlyUses ( const Module * Requested ) const

Determine whether this module has declared its intention to directly use another module.

Definition at line 270 of file Module.cpp.

References getTopLevelModule(), isSubModuleOf(), Name, and Parent.

Referenced by clang::ModuleMap::diagnoseHeaderInclusion(), and suggestModule().

◆ dump()

LLVM_DUMP_METHOD void Module::dump ( ) const

Dump the contents of this module to the given output stream.

Definition at line 577 of file APINotesYAMLCompiler.cpp.

◆ findOrInferSubmodule()

Module * Module::findOrInferSubmodule ( StringRef Name )

Definition at line 336 of file Module.cpp.

◆ findSubmodule()

Module * Module::findSubmodule ( StringRef Name ) const

Find the submodule with the given name.

Returns: The submodule if found, or NULL otherwise.

Definition at line 328 of file Module.cpp.

◆ fullModuleNameIs()

bool Module::fullModuleNameIs ( ArrayRef< StringRef > nameParts ) const

Whether the full name of this module is equal to joining nameParts with "."s.

This is more efficient than getFullModuleName().

Definition at line 235 of file Module.cpp.

References Parent.

Referenced by shouldAddRequirement().

◆ getASTFile()

OptionalFileEntryRefDegradesToFileEntryPtr clang::Module::getASTFile ( ) const

inline

The serialized AST file for this module, if one was created.

Definition at line 538 of file Module.h.

References getTopLevelModule().

Referenced by clang::ASTSourceDescriptor::ASTSourceDescriptor(), clang::CompilerInstance::loadGlobalModuleIndex(), and setASTFile().

◆ getExportedModules()

void Module::getExportedModules ( SmallVectorImpl< Module * > & Exported ) const

Appends this module's list of exported modules to Exported.

This provides a subset of immediately imported modules (the ones that are directly exported), not the complete set of exported modules.

Definition at line 351 of file Module.cpp.

References Exports, Imports, IsExplicit, and isSubModuleOf().

◆ getFullModuleName()

std::string Module::getFullModuleName ( bool AllowStringLiterals = false ) const

Retrieve the full name of this module, including the path from its top-level module.

Parameters

AllowStringLiterals If true, components that might not be lexically valid as identifiers will be emitted as string literals.

Definition at line 219 of file Module.cpp.

References Parent, printModuleId(), and string().

Referenced by clang::Sema::ActOnModuleImport(), checkConfigMacro(), clang::Preprocessor::checkModuleIsAvailable(), clang::Sema::CheckRedeclarationModuleOwnership(), clang::Sema::diagnoseEquivalentInternalLinkageDeclarations(), clang::ModuleMap::diagnoseHeaderInclusion(), getInputBufferForModule(), clang::Sema::notePreviousDefinition(), and clang::TextNodeDumper::VisitImportDecl().

◆ getModuleInputBufferName()

static StringRef clang::Module::getModuleInputBufferName ( )

inlinestatic

Definition at line 645 of file Module.h.

Referenced by getInputBufferForModule().

◆ getTopHeaders()

ArrayRef< const FileEntry * > Module::getTopHeaders ( FileManager & FileMgr )

The top-level headers associated with this module.

Definition at line 257 of file Module.cpp.

References clang::FileManager::getFile().

◆ getTopLevelModule() [1/2]

const Module * Module::getTopLevelModule ( )

inline

Retrieve the top-level module for this (sub)module, which may be this module.

Definition at line 523 of file Module.h.

Referenced by clang::ModuleMap::addHeader(), clang::ModuleMap::diagnoseHeaderInclusion(), directlyUses(), clang::ModuleMap::findModuleForHeader(), getASTFile(), clang::ASTWriter::getLocalOrImportedSubmoduleID(), getTopLevelModuleName(), getTopLevelOrNull(), clang::ModuleMap::KnownHeader::isAccessibleFrom(), isForModuleBuilding(), and setASTFile().

◆ getTopLevelModule() [2/2]

const Module* clang::Module::getTopLevelModule ( ) const

Retrieve the top-level module for this (sub)module, which may be this module.

◆ getTopLevelModuleName()

StringRef clang::Module::getTopLevelModuleName ( ) const

inline

Retrieve the name of the top-level module.

Definition at line 533 of file Module.h.

References getTopLevelModule(), and Name.

Referenced by clang::Sema::ActOnModuleImport(), compileModule(), isForModuleBuilding(), isInCurrentModule(), and clang::Preprocessor::LeaveSubmodule().

◆ getUmbrellaDir()

Module::DirectoryName Module::getUmbrellaDir ( ) const

Retrieve the directory for which this module serves as the umbrella.

Definition at line 244 of file Module.cpp.

References getUmbrellaHeader(), Umbrella, UmbrellaAsWritten, and UmbrellaRelativeToRootModuleDirectory.

Referenced by collectModuleHeaderIncludes(), clang::ModuleMap::isHeaderUnavailableInModule(), and print().

◆ getUmbrellaHeader()

Header clang::Module::getUmbrellaHeader ( ) const

inline

Retrieve the header that serves as the umbrella header for this module.

Definition at line 555 of file Module.h.

References Umbrella, UmbrellaAsWritten, and UmbrellaRelativeToRootModuleDirectory.

Referenced by collectAllSubModulesWithUmbrellaHeader(), collectModuleHeaderIncludes(), getInputBufferForModule(), getUmbrellaDir(), and print().

◆ getVisibilityID()

unsigned clang::Module::getVisibilityID ( ) const

inline

Definition at line 622 of file Module.h.

Referenced by clang::VisibleModuleSet::getImportLoc().

◆ hasUmbrellaDir()

bool clang::Module::hasUmbrellaDir ( ) const

inline

Determine whether this module has an umbrella directory that is not based on an umbrella header.

Definition at line 564 of file Module.h.

References Umbrella.

◆ isAvailable() [1/2]

bool clang::Module::isAvailable ( ) const

inline

Determine whether this module is available for use within the current translation unit.

Definition at line 447 of file Module.h.

References IsAvailable.

Referenced by clang::Preprocessor::checkModuleIsAvailable(), collectModuleHeaderIncludes(), clang::ModuleMap::KnownHeader::isAvailable(), isBetterKnownHeader(), and clang::ModuleMap::isHeaderUnavailableInModule().

◆ isAvailable() [2/2]

bool Module::isAvailable	(	const LangOptions &	LangOpts,
		const TargetInfo &	Target,
		Requirement &	Req,
		UnresolvedHeaderDirective &	MissingHeader,
		Module *&	ShadowingModule
	)		const

Determine whether this module is available for use within the current translation unit.

Parameters

LangOpts	The language options used for the current translation unit.
Target	The target options used for the current translation unit.
Req	If this module is unavailable because of a missing requirement, this parameter will be set to one of the requirements that is not met for use of this module.
MissingHeader	If this module is unavailable because of a missing header, this parameter will be set to one of the missing headers.
ShadowingModule	If this module is unavailable because it is shadowed, this parameter will be set to the shadowing module.

Definition at line 151 of file Module.cpp.

References IsAvailable, isUnimportable(), ShadowingModule, and clang::Target.

◆ isGlobalModule()

bool clang::Module::isGlobalModule ( ) const

inline

Does this Module scope describe a fragment of the global module within some C++ module.

Definition at line 158 of file Module.h.

References GlobalModuleFragment, and Kind.

◆ isModulePurview()

bool clang::Module::isModulePurview ( ) const

inline

Does this Module scope describe part of the purview of a named C++ module?

Definition at line 152 of file Module.h.

References Kind, ModuleInterfaceUnit, and PrivateModuleFragment.

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

◆ isModuleVisible()

bool clang::Module::isModuleVisible ( const Module * M ) const

inline

Determine whether the specified module would be visible to a lookup at the end of this module.

FIXME: This may return incorrect results for (submodules of) the module currently being built, if it's queried before we see all of its imports.

Definition at line 616 of file Module.h.

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

◆ isPartOfFramework()

bool clang::Module::isPartOfFramework ( ) const

inline

Determine whether this module is a part of a framework, either because it is a framework module or because it is a submodule of a framework module.

Definition at line 486 of file Module.h.

References Parent.

Referenced by isSubFramework().

◆ isSubFramework()

bool clang::Module::isSubFramework ( ) const

inline

Determine whether this module is a subframework of another framework.

Definition at line 496 of file Module.h.

References IsFramework, isPartOfFramework(), and Parent.

Referenced by inferFrameworkLink().

◆ isSubModule()

bool clang::Module::isSubModule ( ) const

inline

Determine whether this module is a submodule.

Definition at line 473 of file Module.h.

References Parent.

◆ isSubModuleOf()

bool Module::isSubModuleOf ( const Module * Other ) const

Check if this module is a (possibly transitive) submodule of Other.

The 'A is a submodule of B' relation is a partial order based on the the parent-child relationship between individual modules.

Returns false if Other is nullptr.

Definition at line 173 of file Module.cpp.

References Parent.

Referenced by directlyUses(), getExportedModules(), and clang::ModuleMap::isHeaderUnavailableInModule().

◆ isUnimportable() [1/2]

bool clang::Module::isUnimportable ( ) const

inline

Determine whether this module has been declared unimportable.

Definition at line 427 of file Module.h.

References IsUnimportable.

Referenced by isAvailable().

◆ isUnimportable() [2/2]

bool Module::isUnimportable	(	const LangOptions &	LangOpts,
		const TargetInfo &	Target,
		Requirement &	Req,
		Module *&	ShadowingModule
	)		const

Determine whether this module has been declared unimportable.

Parameters

LangOpts	The language options used for the current translation unit.
Target	The target options used for the current translation unit.
Req	If this module is unimportable because of a missing requirement, this parameter will be set to one of the requirements that is not met for use of this module.
ShadowingModule	If this module is unimportable because it is shadowed, this parameter will be set to the shadowing module.

Definition at line 128 of file Module.cpp.

References IsUnimportable.

◆ markUnavailable()

void Module::markUnavailable ( bool Unimportable )

Mark this module and all of its submodules as unavailable.

Definition at line 300 of file Module.cpp.

Referenced by addRequirement().

◆ print()

void Module::print	(	raw_ostream &	OS,
		unsigned	Indent = `0`,
		bool	Dump = `false`
	)		const

Print the module map for this module to the given stream.

Definition at line 431 of file Module.cpp.

References ConfigMacros, ConfigMacrosExhaustive, Conflicts, DirectUses, ExportAsModule, Exports, getUmbrellaDir(), getUmbrellaHeader(), Headers, HK_Excluded, HK_Normal, HK_Private, HK_PrivateTextual, HK_Textual, Id, Imports, clang::Indent(), InferExplicitSubmodules, InferExportWildcard, InferSubmodules, IsExplicit, IsExternC, IsFramework, IsSystem, Kind, LinkLibraries, MissingHeaders, Name, printModuleId(), Requirements, submodule_begin(), submodule_end(), clang::Unresolved, UnresolvedConflicts, UnresolvedDirectUses, UnresolvedExports, and UnresolvedHeaders.

Referenced by clang::RewriteIncludesAction::BeginSourceFileAction(), compileModule(), clang::ModuleMap::dump(), clang::PrintPreprocessedAction::ExecuteAction(), and runThinLTOBackend().

◆ setASTFile()

void clang::Module::setASTFile ( Optional< FileEntryRef > File )

inline

Set the serialized AST file for the top-level module of this module.

Definition at line 543 of file Module.h.

References clang::File, getASTFile(), and getTopLevelModule().

◆ setParent()

void clang::Module::setParent ( Module * M )

inline

Set the parent of this module.

This should only be used if the parent could not be set during module creation.

Definition at line 502 of file Module.h.

References Name, and Parent.

◆ submodule_begin() [1/2]

submodule_iterator clang::Module::submodule_begin ( )

inline

Definition at line 627 of file Module.h.

Referenced by getNumberOfModules(), print(), submodules(), and ~Module().

◆ submodule_begin() [2/2]

submodule_const_iterator clang::Module::submodule_begin ( ) const

inline

Definition at line 628 of file Module.h.

◆ submodule_end() [1/2]

submodule_iterator clang::Module::submodule_end ( )

inline

Definition at line 629 of file Module.h.

Referenced by getNumberOfModules(), print(), submodules(), and ~Module().

◆ submodule_end() [2/2]

submodule_const_iterator clang::Module::submodule_end ( ) const

inline

Definition at line 630 of file Module.h.

◆ submodules() [1/2]

llvm::iterator_range<submodule_iterator> clang::Module::submodules ( )

inline

Definition at line 632 of file Module.h.

References submodule_begin(), and submodule_end().

Referenced by collectAllSubModulesWithUmbrellaHeader().

◆ submodules() [2/2]

llvm::iterator_range<submodule_const_iterator> clang::Module::submodules ( ) const

inline

Definition at line 635 of file Module.h.

References submodule_begin(), and submodule_end().

Member Data Documentation

◆ ConfigMacros

std::vector<std::string> clang::Module::ConfigMacros

The set of "configuration macros", which are macros that (intentionally) change how this module is built.

Definition at line 393 of file Module.h.

Referenced by print().

◆ ConfigMacrosExhaustive

unsigned clang::Module::ConfigMacrosExhaustive

Whether the set of configuration macros is exhaustive.

When the set of configuration macros is exhaustive, meaning that no identifier not in this list should affect how the module is built.

Definition at line 304 of file Module.h.

Referenced by print().

◆ Conflicts

std::vector<Conflict> clang::Module::Conflicts

The list of conflicts.

Definition at line 418 of file Module.h.

Referenced by print(), and clang::ModuleMap::resolveConflicts().

◆ DefinitionLoc

SourceLocation clang::Module::DefinitionLoc

The location of the module definition.

Definition at line 102 of file Module.h.

Referenced by clang::Preprocessor::checkModuleIsAvailable(), clang::ModuleMap::getContainingModuleMapFile(), clang::CompilerInstance::loadGlobalModuleIndex(), and clang::Sema::notePreviousDefinition().

◆ Directory

const DirectoryEntry* clang::Module::Directory = nullptr

The build directory of this module.

This is the directory in which the module is notionally built, and relative to which its headers are found.

Definition at line 129 of file Module.h.

Referenced by clang::ASTSourceDescriptor::ASTSourceDescriptor(), compileModule(), and prepareToBuildModule().

◆ DirectUses

SmallVector<Module *, 2> clang::Module::DirectUses

The directly used modules.

Definition at line 361 of file Module.h.

Referenced by print(), and clang::ModuleMap::resolveUses().

◆ ExportAsModule

std::string clang::Module::ExportAsModule

The module through which entities defined in this module will eventually be exposed, for use in "private" modules.

Definition at line 149 of file Module.h.

Referenced by clang::ModuleMap::addLinkAsDependency(), and print().

◆ Exports

SmallVector<ExportDecl, 2> clang::Module::Exports

The set of export declarations.

Definition at line 340 of file Module.h.

Referenced by getExportedModules(), print(), and clang::ModuleMap::resolveExports().

◆ HasIncompatibleModuleFile

unsigned clang::Module::HasIncompatibleModuleFile

Whether we tried and failed to load a module file for this module.

Definition at line 256 of file Module.h.

◆ Headers

SmallVector<Header, 2> clang::Module::Headers[5]

The headers that are part of this module.

Definition at line 215 of file Module.h.

Referenced by clang::ModuleMap::addHeader(), collectModuleHeaderIncludes(), clang::ModuleMap::excludeHeader(), print(), and violatesPrivateInclude().

◆ Imports

llvm::SmallSetVector<Module *, 2> clang::Module::Imports

The set of modules imported by this module, and on which this module depends.

Definition at line 331 of file Module.h.

Referenced by addLinkOptionsPostorder(), getExportedModules(), and print().

◆ InferExplicitSubmodules

unsigned clang::Module::InferExplicitSubmodules

Whether, when inferring submodules, the inferred submodules should be explicit.

Definition at line 293 of file Module.h.

Referenced by print().

◆ InferExportWildcard

unsigned clang::Module::InferExportWildcard

Whether, when inferring submodules, the inferr submodules should export all modules they import (e.g., the equivalent of "export *").

Definition at line 297 of file Module.h.

Referenced by print().

◆ InferredSubmoduleLoc

SourceLocation clang::Module::InferredSubmoduleLoc

The location of the inferred submodule.

Definition at line 327 of file Module.h.

◆ InferSubmodules

unsigned clang::Module::InferSubmodules

Whether we should infer submodules for this module based on the headers.

Submodules can only be inferred for modules with an umbrella header.

Definition at line 289 of file Module.h.

Referenced by clang::ModuleMap::isHeaderUnavailableInModule(), and print().

◆ IsAvailable

unsigned clang::Module::IsAvailable

Whether this module is available in the current translation unit.

If the module is missing headers or does not meet all requirements then this bit will be 0.

Definition at line 262 of file Module.h.

Referenced by isAvailable().

◆ IsExplicit

unsigned clang::Module::IsExplicit

Whether this is an explicit submodule.

Definition at line 271 of file Module.h.

Referenced by getExportedModules(), and print().

◆ IsExternC

unsigned clang::Module::IsExternC

Whether this is an 'extern "C"' module (which implicitly puts all headers in it within an 'extern "C"' block, and allows the module to be imported within such a block).

Definition at line 280 of file Module.h.

Referenced by collectModuleHeaderIncludes(), getInputBufferForModule(), and print().

◆ IsFramework

unsigned clang::Module::IsFramework

Whether this is a framework module.

Definition at line 268 of file Module.h.

Referenced by clang::ModuleMap::diagnoseHeaderInclusion(), inferFrameworkLink(), isForModuleBuilding(), isSubFramework(), and print().

◆ IsFromModuleFile

unsigned clang::Module::IsFromModuleFile

Whether this module was loaded from a module file.

Definition at line 265 of file Module.h.

◆ IsInferred

unsigned clang::Module::IsInferred

Whether this is an inferred submodule (module * { ... }).

Definition at line 283 of file Module.h.

Referenced by clang::ModuleMap::getModuleMapFileForUniquing(), prepareToBuildModule(), and clang::ModuleMap::setInferredModuleAllowedBy().

◆ IsSystem

unsigned clang::Module::IsSystem

Whether this is a "system" module (which assumes that all headers in it are system headers).

Definition at line 275 of file Module.h.

Referenced by compileModule(), clang::ModuleMap::inferFrameworkModule(), clang::Preprocessor::LookupFile(), print(), and clang::PCHValidator::ReadDiagnosticOptions().

◆ IsUnimportable

unsigned clang::Module::IsUnimportable

Whether this module has declared itself unimportable, either because it's missing a requirement from Requirements or because it's been shadowed by another module.

Definition at line 253 of file Module.h.

Referenced by isUnimportable().

◆ Kind

ModuleKind clang::Module::Kind = ModuleMapModule

The kind of this module.

Definition at line 120 of file Module.h.

Referenced by clang::Sema::CheckRedeclarationModuleOwnership(), clang::Decl::getOwningModuleForLinkage(), isGlobalModule(), isInCurrentModule(), isModulePurview(), and print().

◆ LinkLibraries

llvm::SmallVector<LinkLibrary, 2> clang::Module::LinkLibraries

The set of libraries or frameworks to link against when an entity from this module is used.

Definition at line 385 of file Module.h.

Referenced by addLinkOptionsPostorder(), inferFrameworkLink(), and print().

◆ MissingHeaders

SmallVector<UnresolvedHeaderDirective, 1> clang::Module::MissingHeaders

Headers that are mentioned in the module map file but could not be found on the file system.

Definition at line 235 of file Module.h.

Referenced by collectModuleHeaderIncludes(), and print().

◆ ModuleMapIsPrivate

unsigned clang::Module::ModuleMapIsPrivate

Whether this module came from a "private" module map, found next to a regular (public) module map.

Definition at line 312 of file Module.h.

◆ Name

std::string clang::Module::Name

◆ NameVisibility

NameVisibilityKind clang::Module::NameVisibility

The visibility of names within this particular module.

Definition at line 324 of file Module.h.

Referenced by clang::ASTReader::makeNamesVisible().

◆ NoUndeclaredIncludes

unsigned clang::Module::NoUndeclaredIncludes

Whether files in this module can only include non-modular headers and headers from used modules.

Definition at line 308 of file Module.h.

Referenced by needModuleLookup(), and suggestModule().

◆ NumHeaderKinds

const int clang::Module::NumHeaderKinds = HK_Excluded + 1

static

Definition at line 192 of file Module.h.

◆ Parent

Module* clang::Module::Parent

The parent of this module.

This will be NULL for the top-level module.

Definition at line 124 of file Module.h.

Referenced by clang::Sema::ActOnModuleImport(), addLinkOptionsPostorder(), clang::Sema::CheckRedeclarationModuleOwnership(), collectModuleHeaderIncludes(), directlyUses(), fullModuleNameIs(), clang::index::generateFullUSRForModule(), getFullModuleName(), clang::Decl::getOwningModuleForLinkage(), clang::index::IndexingContext::importedModule(), clang::ModuleMap::isHeaderUnavailableInModule(), isInCurrentModule(), isPartOfFramework(), isSubFramework(), isSubModule(), isSubModuleOf(), clang::ModuleMap::mayShadowNewModule(), reportModuleReferences(), and setParent().

◆ PresumedModuleMapFile

std::string clang::Module::PresumedModuleMapFile

The presumed file name for the module map defining this module.

Only non-empty when building from preprocessed source.

Definition at line 133 of file Module.h.

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

◆ Requirements

SmallVector<Requirement, 2> clang::Module::Requirements

The set of language features required to use this module.

If any of these requirements are not available, the IsAvailable bit will be false to indicate that this (sub)module is not available.

Definition at line 245 of file Module.h.

Referenced by addRequirement(), and print().

◆ ShadowingModule

Module* clang::Module::ShadowingModule = nullptr

A module with the same name that shadows this module.

Definition at line 248 of file Module.h.

Referenced by isAvailable().

◆ Signature

ASTFileSignature clang::Module::Signature

The module signature.

Definition at line 139 of file Module.h.

◆ Umbrella

llvm::PointerUnion<const FileEntry *, const DirectoryEntry *> clang::Module::Umbrella

The umbrella header or directory.

Definition at line 136 of file Module.h.

Referenced by getUmbrellaDir(), getUmbrellaHeader(), hasUmbrellaDir(), clang::ModuleMap::setUmbrellaDir(), and clang::ModuleMap::setUmbrellaHeader().

◆ UmbrellaAsWritten

std::string clang::Module::UmbrellaAsWritten

The name of the umbrella entry, as written in the module map.

Definition at line 142 of file Module.h.

Referenced by getUmbrellaDir(), getUmbrellaHeader(), clang::ModuleMap::setUmbrellaDir(), and clang::ModuleMap::setUmbrellaHeader().

◆ UmbrellaRelativeToRootModuleDirectory

std::string clang::Module::UmbrellaRelativeToRootModuleDirectory

Definition at line 145 of file Module.h.

Referenced by getUmbrellaDir(), getUmbrellaHeader(), clang::ModuleMap::setUmbrellaDir(), and clang::ModuleMap::setUmbrellaHeader().

◆ UnresolvedConflicts

std::vector<UnresolvedConflict> clang::Module::UnresolvedConflicts

The list of conflicts for which the module-id has not yet been resolved.

Definition at line 406 of file Module.h.

Referenced by print(), and clang::ModuleMap::resolveConflicts().

◆ UnresolvedDirectUses

SmallVector<ModuleId, 2> clang::Module::UnresolvedDirectUses

The set of use declarations that have yet to be resolved.

Definition at line 364 of file Module.h.

Referenced by print(), and clang::ModuleMap::resolveUses().

◆ UnresolvedExports

SmallVector<UnresolvedExportDecl, 2> clang::Module::UnresolvedExports

The set of export declarations that have yet to be resolved.

Definition at line 358 of file Module.h.

Referenced by print(), and clang::ModuleMap::resolveExports().

◆ UnresolvedHeaders

SmallVector<UnresolvedHeaderDirective, 1> clang::Module::UnresolvedHeaders

Headers that are mentioned in the module map file but that we have not yet attempted to resolve to a file on the file system.

Definition at line 231 of file Module.h.

Referenced by print(), and clang::ModuleMap::resolveHeaderDirectives().

◆ UseExportAsModuleLinkName

bool clang::Module::UseExportAsModuleLinkName = false

Autolinking uses the framework name for linking purposes when this is false and the export_as name otherwise.

Definition at line 389 of file Module.h.

Referenced by clang::ModuleMap::addLinkAsDependency(), and addLinkOptionsPostorder().

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

include/clang/Basic/Module.h
lib/APINotes/APINotesYAMLCompiler.cpp
lib/Basic/Module.cpp

Classes

Public Types

Public Member Functions

Static Public Member Functions

Public Attributes

Static Public Attributes

Detailed Description

Member Typedef Documentation

◆ ExportDecl

◆ Requirement

◆ submodule_const_iterator

◆ submodule_iterator

Member Enumeration Documentation

◆ HeaderKind

◆ ModuleKind

◆ NameVisibilityKind

Constructor & Destructor Documentation

◆ Module()

◆ ~Module()

Member Function Documentation

◆ addRequirement()

◆ addTopHeader()

◆ addTopHeaderFilename()

◆ directlyUses()

◆ dump()

◆ findOrInferSubmodule()

◆ findSubmodule()

◆ fullModuleNameIs()

◆ getASTFile()

◆ getExportedModules()

◆ getFullModuleName()

◆ getModuleInputBufferName()

◆ getTopHeaders()

◆ getTopLevelModule() [1/2]

◆ getTopLevelModule() [2/2]

◆ getTopLevelModuleName()

◆ getUmbrellaDir()

◆ getUmbrellaHeader()

◆ getVisibilityID()

◆ hasUmbrellaDir()

◆ isAvailable() [1/2]

◆ isAvailable() [2/2]

◆ isGlobalModule()

◆ isModulePurview()

◆ isModuleVisible()

◆ isPartOfFramework()

◆ isSubFramework()

◆ isSubModule()

◆ isSubModuleOf()

◆ isUnimportable() [1/2]

◆ isUnimportable() [2/2]

◆ markUnavailable()

◆ print()

◆ setASTFile()

◆ setParent()

◆ submodule_begin() [1/2]

◆ submodule_begin() [2/2]

◆ submodule_end() [1/2]

◆ submodule_end() [2/2]

◆ submodules() [1/2]

◆ submodules() [2/2]

Member Data Documentation

◆ ConfigMacros

◆ ConfigMacrosExhaustive

◆ Conflicts

◆ DefinitionLoc

◆ Directory

◆ DirectUses

◆ ExportAsModule

◆ Exports

◆ HasIncompatibleModuleFile

◆ Headers

◆ Imports

◆ InferExplicitSubmodules

◆ InferExportWildcard

◆ InferredSubmoduleLoc

◆ InferSubmodules

◆ IsAvailable

◆ IsExplicit

◆ IsExternC