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, ModuleHeaderUnit, ModulePartitionInterface, ModulePartitionImplementation, 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 standard named C++ module? More...

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

bool	isPrivateModule () const

bool	isModuleMapModule () const

	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...

bool	isHeaderLikeModule () const
	Is this module have similar semantics as headers. More...

bool	isModulePartition () const
	Is this a module partition. More...

bool	isHeaderUnit () const
	Is this module a header unit. More...

bool	isInterfaceOrPartition () const

bool	isModuleInterfaceUnit () const

StringRef	getPrimaryModuleInterfaceName () const
	Get the primary module interface name from a partition. 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)
	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)

Module *	getGlobalModuleFragment ()
	Get the Global Module Fragment (sub-module) for this module, it there is one. More...

Module *	getPrivateModuleFragment ()
	Get the Private Module Fragment (sub-module) for this module, it there is one. More...

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...

llvm::SmallSetVector< Module *, 2 >	AffectingClangModules
	The set of top-level modules that affected the compilation of this module, but were not imported. 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::SmallSetVector< const Module *, 2 >	UndeclaredUses
	When `NoUndeclaredIncludes` is true, the set of modules this module tried to import but didn't because they are not direct uses. 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.

Aligned to 8 bytes to allow for llvm::PointerIntPair<Module *, 3>.

Definition at line 98 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 359 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 257 of file Module.h.

◆ submodule_const_iterator

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

Definition at line 706 of file Module.h.

◆ submodule_iterator

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

Definition at line 705 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 203 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++20 module interface unit.
ModuleHeaderUnit	This is a C++ 20 header unit.
ModulePartitionInterface	This is a C++ 20 module partition interface.
ModulePartitionImplementation	This is a C++ 20 module partition implementation.
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 106 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 334 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::ActOnModuleImport().

◆ ~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 291 of file Module.cpp.

◆ 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.

◆ addTopHeaderFilename()

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

inline

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

Definition at line 641 of file Module.h.

References Filename, and string().

◆ directlyUses()

bool Module::directlyUses ( const Module * Requested )

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, NoUndeclaredIncludes, Parent, and UndeclaredUses.

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 339 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 331 of file Module.cpp.

Referenced by getGlobalModuleFragment(), and getPrivateModuleFragment().

◆ 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 608 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 354 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, and string().

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

◆ getGlobalModuleFragment()

Module* clang::Module::getGlobalModuleFragment ( )

inline

Get the Global Module Fragment (sub-module) for this module, it there is one.

Returns: The GMF sub-module if found, or NULL otherwise.

Definition at line 683 of file Module.h.

References findSubmodule().

◆ getModuleInputBufferName()

static StringRef clang::Module::getModuleInputBufferName ( )

inlinestatic

Definition at line 726 of file Module.h.

Referenced by getInputBufferForModule().

◆ getPrimaryModuleInterfaceName()

StringRef clang::Module::getPrimaryModuleInterfaceName ( ) const

inline

Get the primary module interface name from a partition.

Definition at line 558 of file Module.h.

References getTopLevelModuleName(), isGlobalModule(), isModulePartition(), isPrivateModule(), and Name.

Referenced by clang::Sema::ActOnModuleImport(), and clang::Sema::CheckRedeclarationModuleOwnership().

◆ getPrivateModuleFragment()

Module* clang::Module::getPrivateModuleFragment ( )

inline

Get the Private Module Fragment (sub-module) for this module, it there is one.

Returns: The PMF sub-module if found, or NULL otherwise.

Definition at line 689 of file Module.h.

References findSubmodule().

◆ 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 593 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(), clang::Sema::isModuleUnitOfCurrentTU(), clang::Sema::IsRedefinitionInModule(), 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 603 of file Module.h.

References getTopLevelModule(), and Name.

Referenced by clang::Sema::ActOnModuleImport(), compileModule(), getPrimaryModuleInterfaceName(), isForModuleBuilding(), 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 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 624 of file Module.h.

References Umbrella, UmbrellaAsWritten, and UmbrellaRelativeToRootModuleDirectory.

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

◆ getVisibilityID()

unsigned clang::Module::getVisibilityID ( ) const

inline

Definition at line 703 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 633 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 473 of file Module.h.

References IsAvailable.

Referenced by 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.

◆ 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 172 of file Module.h.

References GlobalModuleFragment, and Kind.

Referenced by clang::Sema::diagnoseMissingImport(), getPrimaryModuleInterfaceName(), clang::Sema::isModuleVisible(), and clang::VisibleModuleSet::setVisible().

◆ isHeaderLikeModule()

bool clang::Module::isHeaderLikeModule ( ) const

inline

Is this module have similar semantics as headers.

Definition at line 536 of file Module.h.

References isHeaderUnit(), and isModuleMapModule().

Referenced by clang::Sema::IsRedefinitionInModule(), and clang::CodeGen::CodeGenModule::Release().

◆ isHeaderUnit()

bool clang::Module::isHeaderUnit ( ) const

inline

Is this module a header unit.

Definition at line 547 of file Module.h.

References Kind, and ModuleHeaderUnit.

Referenced by isHeaderLikeModule(), and clang::Parser::ParseTopLevelDecl().

◆ isInterfaceOrPartition()

bool clang::Module::isInterfaceOrPartition ( ) const

inline

Definition at line 549 of file Module.h.

References isModulePartition(), Kind, and ModuleInterfaceUnit.

Referenced by clang::CodeGen::CodeGenModule::Release().

◆ isModuleInterfaceUnit()

bool clang::Module::isModuleInterfaceUnit ( ) const

inline

Definition at line 553 of file Module.h.

References Kind, ModuleInterfaceUnit, and ModulePartitionInterface.

◆ isModuleMapModule()

bool clang::Module::isModuleMapModule ( ) const

inline

Definition at line 176 of file Module.h.

References Kind, and ModuleMapModule.

Referenced by isHeaderLikeModule(), and clang::Preprocessor::markClangModuleAsAffecting().

◆ isModulePartition()

bool clang::Module::isModulePartition ( ) const

inline

Is this a module partition.

Definition at line 541 of file Module.h.

References Kind, ModulePartitionImplementation, and ModulePartitionInterface.

Referenced by clang::Sema::CheckRedeclarationModuleOwnership(), getPrimaryModuleInterfaceName(), and isInterfaceOrPartition().

◆ isModulePurview()

bool clang::Module::isModulePurview ( ) const

inline

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

Definition at line 164 of file Module.h.

References Kind, ModuleInterfaceUnit, ModulePartitionImplementation, ModulePartitionInterface, and PrivateModuleFragment.

Referenced by clang::Sema::CheckRedeclarationModuleOwnership(), clang::Sema::IsRedefinitionInModule(), and clang::ASTWriter::isWritingStdCXXNamedModules().

◆ 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 697 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 512 of file Module.h.

References Parent.

Referenced by isSubFramework().

◆ isPrivateModule()

bool clang::Module::isPrivateModule ( ) const

inline

Definition at line 174 of file Module.h.

References Kind, and PrivateModuleFragment.

Referenced by clang::Sema::CheckRedeclarationModuleOwnership(), clang::Sema::diagnoseMissingImport(), and getPrimaryModuleInterfaceName().

◆ isSubFramework()

bool clang::Module::isSubFramework ( ) const

inline

Determine whether this module is a subframework of another framework.

Definition at line 522 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 499 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(), clang::ModuleMap::isHeaderUnavailableInModule(), and clang::Sema::isModuleUnitOfCurrentTU().

◆ isUnimportable() [1/2]

bool clang::Module::isUnimportable ( ) const

inline

Determine whether this module has been declared unimportable.

Definition at line 453 of file Module.h.

References IsUnimportable.

◆ 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.

◆ markUnavailable()

void Module::markUnavailable ( bool Unimportable )

Mark this module and all of its submodules as unavailable.

Definition at line 303 of file Module.cpp.

◆ 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 434 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, clang::Library, 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 613 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 528 of file Module.h.

References Name, and Parent.

◆ submodule_begin() [1/2]

submodule_iterator clang::Module::submodule_begin ( )

inline

Definition at line 708 of file Module.h.

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

◆ submodule_begin() [2/2]

submodule_const_iterator clang::Module::submodule_begin ( ) const

inline

Definition at line 709 of file Module.h.

◆ submodule_end() [1/2]

submodule_iterator clang::Module::submodule_end ( )

inline

Definition at line 710 of file Module.h.

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

◆ submodule_end() [2/2]

submodule_const_iterator clang::Module::submodule_end ( ) const

inline

Definition at line 711 of file Module.h.

◆ submodules() [1/2]

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

inline

Definition at line 713 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 716 of file Module.h.

References submodule_begin(), and submodule_end().

Member Data Documentation

◆ AffectingClangModules

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

The set of top-level modules that affected the compilation of this module, but were not imported.

Definition at line 353 of file Module.h.

◆ 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 419 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 322 of file Module.h.

Referenced by print().

◆ Conflicts

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

The list of conflicts.

Definition at line 444 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 104 of file Module.h.

Referenced by 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 140 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 383 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 160 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 362 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 274 of file Module.h.

◆ Headers

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

The headers that are part of this module.

Definition at line 233 of file Module.h.

Referenced by clang::ModuleMap::addHeader(), 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 349 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 311 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 315 of file Module.h.

Referenced by print().

◆ InferredSubmoduleLoc

SourceLocation clang::Module::InferredSubmoduleLoc

The location of the inferred submodule.

Definition at line 345 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 307 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 280 of file Module.h.

Referenced by isAvailable().

◆ IsExplicit

unsigned clang::Module::IsExplicit

Whether this is an explicit submodule.

Definition at line 289 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 298 of file Module.h.

Referenced by getInputBufferForModule(), and print().

◆ IsFramework

unsigned clang::Module::IsFramework

Whether this is a framework module.

Definition at line 286 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 283 of file Module.h.

◆ IsInferred

unsigned clang::Module::IsInferred

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

Definition at line 301 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 293 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 271 of file Module.h.

Referenced by isUnimportable().

◆ Kind

ModuleKind clang::Module::Kind = ModuleMapModule

The kind of this module.

Definition at line 131 of file Module.h.

Referenced by clang::Sema::ActOnModuleDecl(), clang::Sema::ActOnModuleImport(), clang::Decl::getOwningModuleForLinkage(), isGlobalModule(), isHeaderUnit(), isInterfaceOrPartition(), isModuleInterfaceUnit(), isModuleMapModule(), isModulePartition(), isModulePurview(), isPrivateModule(), 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 411 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 253 of file Module.h.

Referenced by 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 330 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 342 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 326 of file Module.h.

Referenced by directlyUses(), needModuleLookup(), and suggestModule().

◆ NumHeaderKinds

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

static

Definition at line 210 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 135 of file Module.h.

Referenced by clang::Sema::ActOnModuleImport(), addLinkOptionsPostorder(), clang::Sema::CheckRedeclarationModuleOwnership(), directlyUses(), fullModuleNameIs(), clang::index::generateFullUSRForModule(), getFullModuleName(), clang::Decl::getOwningModuleForLinkage(), clang::index::IndexingContext::importedModule(), clang::ModuleMap::isHeaderUnavailableInModule(), 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 144 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 263 of file Module.h.

Referenced by print().

◆ ShadowingModule

Module* clang::Module::ShadowingModule = nullptr

A module with the same name that shadows this module.

Definition at line 266 of file Module.h.

◆ Signature

ASTFileSignature clang::Module::Signature

The module signature.

Definition at line 150 of file Module.h.

◆ Umbrella

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

The umbrella header or directory.

Definition at line 147 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 153 of file Module.h.

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

◆ UmbrellaRelativeToRootModuleDirectory

std::string clang::Module::UmbrellaRelativeToRootModuleDirectory

Definition at line 156 of file Module.h.

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

◆ UndeclaredUses

llvm::SmallSetVector<const Module *, 2> clang::Module::UndeclaredUses

When NoUndeclaredIncludes is true, the set of modules this module tried to import but didn't because they are not direct uses.

Definition at line 390 of file Module.h.

Referenced by directlyUses().

◆ UnresolvedConflicts

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

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

Definition at line 432 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 386 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 380 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 249 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 415 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()

◆ getGlobalModuleFragment()

◆ getModuleInputBufferName()

◆ getPrimaryModuleInterfaceName()

◆ getPrivateModuleFragment()

◆ getTopHeaders()

◆ getTopLevelModule() [1/2]

◆ getTopLevelModule() [2/2]

◆ getTopLevelModuleName()

◆ getUmbrellaDir()

◆ getUmbrellaHeader()

◆ getVisibilityID()

◆ hasUmbrellaDir()

◆ isAvailable() [1/2]

◆ isAvailable() [2/2]

◆ isGlobalModule()

◆ isHeaderLikeModule()

◆ isHeaderUnit()

◆ isInterfaceOrPartition()

◆ isModuleInterfaceUnit()

◆ isModuleMapModule()

◆ isModulePartition()

◆ isModulePurview()

◆ isModuleVisible()

◆ isPartOfFramework()

◆ isPrivateModule()

◆ 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

◆ AffectingClangModules

◆ ConfigMacros

◆ ConfigMacrosExhaustive

◆ Conflicts

◆ DefinitionLoc

◆ Directory

◆ DirectUses

◆ ExportAsModule