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Showing content from https://clang.llvm.org/doxygen/classclang_1_1HeaderSearch.html below:

clang: clang::HeaderSearch Class Reference

Encapsulates the information needed to find the file referenced by a #include or #include_next, (sub-)framework lookup, etc. More...

#include "clang/Lex/HeaderSearch.h"

HeaderSearch (std::shared_ptr< HeaderSearchOptions > HSOpts, SourceManager &SourceMgr, DiagnosticsEngine &Diags, const LangOptions &LangOpts, const TargetInfo *Target) HeaderSearch (const HeaderSearch &)=delete HeaderSearch & operator= (const HeaderSearch &)=delete HeaderSearchOptions & getHeaderSearchOpts () const Retrieve the header-search options with which this header search was initialized.
FileManager & getFileMgr () const DiagnosticsEngine & getDiags () const void SetSearchPaths (std::vector< DirectoryLookup > dirs, unsigned angledDirIdx, unsigned systemDirIdx, llvm::DenseMap< unsigned, unsigned > searchDirToHSEntry) Interface for setting the file search paths.
void AddSearchPath (const DirectoryLookup &dir, bool isAngled) Add an additional search path.
void AddSystemSearchPath (const DirectoryLookup &dir) Add an additional system search path.
void SetSystemHeaderPrefixes (ArrayRef< std::pair< std::string, bool > > P) Set the list of system header prefixes.
bool HasIncludeAliasMap () const Checks whether the map exists or not.
void AddIncludeAlias (StringRef Source, StringRef Dest) Map the source include name to the dest include name.
StringRef MapHeaderToIncludeAlias (StringRef Source) Maps one header file name to a different header file name, for use with the include_alias pragma.
void setModuleHash (StringRef Hash) Set the hash to use for module cache paths.
void setModuleCachePath (StringRef CachePath) Set the path to the module cache.
StringRef getModuleHash () const Retrieve the module hash.
StringRef getModuleCachePath () const Retrieve the path to the module cache.
void setDirectoryHasModuleMap (const DirectoryEntry *Dir) Consider modules when including files from this directory.
void ClearFileInfo () Forget everything we know about headers so far.
void SetExternalLookup (ExternalPreprocessorSource *EPS) ExternalPreprocessorSource * getExternalLookup () const void SetExternalSource (ExternalHeaderFileInfoSource *ES) Set the external source of header information.
void setTarget (const TargetInfo &Target) Set the target information for the header search, if not already known.
OptionalFileEntryRef LookupFile (StringRef Filename, SourceLocation IncludeLoc, bool isAngled, ConstSearchDirIterator FromDir, ConstSearchDirIterator *CurDir, ArrayRef< std::pair< OptionalFileEntryRef, DirectoryEntryRef > > Includers, SmallVectorImpl< char > *SearchPath, SmallVectorImpl< char > *RelativePath, Module *RequestingModule, ModuleMap::KnownHeader *SuggestedModule, bool *IsMapped, bool *IsFrameworkFound, bool SkipCache=false, bool BuildSystemModule=false, bool OpenFile=true, bool CacheFailures=true) Given a "foo" or <foo> reference, look up the indicated file, return null on failure.
OptionalFileEntryRef LookupSubframeworkHeader (StringRef Filename, FileEntryRef ContextFileEnt, SmallVectorImpl< char > *SearchPath, SmallVectorImpl< char > *RelativePath, Module *RequestingModule, ModuleMap::KnownHeader *SuggestedModule) Look up a subframework for the specified #include file.
FrameworkCacheEntry & LookupFrameworkCache (StringRef FWName) Look up the specified framework name in our framework cache.
bool ShouldEnterIncludeFile (Preprocessor &PP, FileEntryRef File, bool isImport, bool ModulesEnabled, Module *M, bool &IsFirstIncludeOfFile) Mark the specified file as a target of a #include, #include_next, or #import directive.
SrcMgr::CharacteristicKind getFileDirFlavor (FileEntryRef File) Return whether the specified file is a normal header, a system header, or a C++ friendly system header.
void MarkFileIncludeOnce (FileEntryRef File) Mark the specified file as a "once only" file due to #pragma once.
void MarkFileSystemHeader (FileEntryRef File) Mark the specified file as a system header, e.g.
void MarkFileModuleHeader (FileEntryRef FE, ModuleMap::ModuleHeaderRole Role, bool isCompilingModuleHeader) Mark the specified file as part of a module.
void SetFileControllingMacro (FileEntryRef File, const IdentifierInfo *ControllingMacro) Mark the specified file as having a controlling macro.
bool isFileMultipleIncludeGuarded (FileEntryRef File) const Determine whether this file is intended to be safe from multiple inclusions, e.g., it has #pragma once or a controlling macro.
bool hasFileBeenImported (FileEntryRef File) const Determine whether the given file is known to have ever been #imported.
std::vector< bool > computeUserEntryUsage () const Determine which HeaderSearchOptions::UserEntries have been successfully used so far and mark their index with 'true' in the resulting bit vector.
std::vector< bool > collectVFSUsageAndClear () const Collect which HeaderSearchOptions::VFSOverlayFiles have been meaningfully used so far and mark their index with 'true' in the resulting bit vector.
const HeaderMap * CreateHeaderMap (FileEntryRef FE) This method returns a HeaderMap for the specified FileEntry, uniquing them through the 'HeaderMaps' datastructure.
void getHeaderMapFileNames (SmallVectorImpl< std::string > &Names) const Get filenames for all registered header maps.
std::string getCachedModuleFileName (Module *Module) Retrieve the name of the cached module file that should be used to load the given module.
std::string getPrebuiltModuleFileName (StringRef ModuleName, bool FileMapOnly=false) Retrieve the name of the prebuilt module file that should be used to load a module with the given name.
std::string getPrebuiltImplicitModuleFileName (Module *Module) Retrieve the name of the prebuilt module file that should be used to load the given module.
std::string getCachedModuleFileName (StringRef ModuleName, StringRef ModuleMapPath) Retrieve the name of the (to-be-)cached module file that should be used to load a module with the given name.
Module * lookupModule (StringRef ModuleName, SourceLocation ImportLoc=SourceLocation(), bool AllowSearch=true, bool AllowExtraModuleMapSearch=false) Lookup a module Search for a module with the given name.
OptionalFileEntryRef lookupModuleMapFile (DirectoryEntryRef Dir, bool IsFramework) Try to find a module map file in the given directory, returning nullopt if none is found.
bool hasModuleMap (StringRef Filename, const DirectoryEntry *Root, bool IsSystem) Determine whether there is a module map that may map the header with the given file name to a (sub)module.
ModuleMap::KnownHeader findModuleForHeader (FileEntryRef File, bool AllowTextual=false, bool AllowExcluded=false) const Retrieve the module that corresponds to the given file, if any.
ArrayRef< ModuleMap::KnownHeader > findAllModulesForHeader (FileEntryRef File) const Retrieve all the modules corresponding to the given file.
ArrayRef< ModuleMap::KnownHeader > findResolvedModulesForHeader (FileEntryRef File) const Like findAllModulesForHeader, but do not attempt to infer module ownership from umbrella headers if we've not already done so.
bool loadModuleMapFile (FileEntryRef File, bool IsSystem, FileID ID=FileID(), unsigned *Offset=nullptr, StringRef OriginalModuleMapFile=StringRef()) Read the contents of the given module map file.
void collectAllModules (SmallVectorImpl< Module * > &Modules) Collect the set of all known, top-level modules.
void loadTopLevelSystemModules () Load all known, top-level system modules.
ModuleMap & getModuleMap () Retrieve the module map.
const ModuleMap & getModuleMap () const Retrieve the module map.
unsigned header_file_size () const HeaderFileInfo & getFileInfo (FileEntryRef FE) Return the HeaderFileInfo structure for the specified FileEntry, in preparation for updating it in some way.
const HeaderFileInfo * getExistingFileInfo (FileEntryRef FE) const Return the HeaderFileInfo structure for the specified FileEntry, if it has ever been filled in (either locally or externally).
const HeaderFileInfo * getExistingLocalFileInfo (FileEntryRef FE) const Return the headerFileInfo structure for the specified FileEntry, if it has ever been filled in locally.
SearchDirIterator search_dir_begin () SearchDirIterator search_dir_end () SearchDirRange search_dir_range () ConstSearchDirIterator search_dir_begin () const ConstSearchDirIterator search_dir_nth (size_t n) const ConstSearchDirIterator search_dir_end () const ConstSearchDirRange search_dir_range () const unsigned search_dir_size () const ConstSearchDirIterator quoted_dir_begin () const ConstSearchDirIterator quoted_dir_end () const ConstSearchDirIterator angled_dir_begin () const ConstSearchDirIterator angled_dir_end () const ConstSearchDirIterator system_dir_begin () const ConstSearchDirIterator system_dir_end () const unsigned searchDirIdx (const DirectoryLookup &DL) const Get the index of the given search directory.
StringRef getUniqueFrameworkName (StringRef Framework) Retrieve a uniqued framework name.
StringRef getIncludeNameForHeader (const FileEntry *File) const Retrieve the include name for the header.
std::string suggestPathToFileForDiagnostics (FileEntryRef File, llvm::StringRef MainFile, bool *IsAngled=nullptr) const Suggest a path by which the specified file could be found, for use in diagnostics to suggest a #include.
std::string suggestPathToFileForDiagnostics (llvm::StringRef File, llvm::StringRef WorkingDir, llvm::StringRef MainFile, bool *IsAngled=nullptr) const Suggest a path by which the specified file could be found, for use in diagnostics to suggest a #include.
void PrintStats () size_t getTotalMemory () const

Encapsulates the information needed to find the file referenced by a #include or #include_next, (sub-)framework lookup, etc.

Definition at line 237 of file HeaderSearch.h.

◆ HeaderSearch() [1/2] ◆ HeaderSearch() [2/2] ◆ AddIncludeAlias() void clang::HeaderSearch::AddIncludeAlias ( StringRef Source, StringRef Dest ) inline ◆ AddSearchPath() ◆ AddSystemSearchPath() void clang::HeaderSearch::AddSystemSearchPath ( const DirectoryLookup & dir ) inline ◆ angled_dir_begin() ◆ angled_dir_end() ◆ ClearFileInfo() void clang::HeaderSearch::ClearFileInfo ( ) inline

Forget everything we know about headers so far.

Definition at line 442 of file HeaderSearch.h.

◆ collectAllModules() ◆ collectVFSUsageAndClear() std::vector< bool > HeaderSearch::collectVFSUsageAndClear ( ) const ◆ computeUserEntryUsage() std::vector< bool > HeaderSearch::computeUserEntryUsage ( ) const

Determine which HeaderSearchOptions::UserEntries have been successfully used so far and mark their index with 'true' in the resulting bit vector.

Note: implicit module maps don't contribute to entry usage.

Definition at line 131 of file HeaderSearch.cpp.

References E.

◆ CreateHeaderMap() ◆ findAllModulesForHeader() ◆ findModuleForHeader() ◆ findResolvedModulesForHeader() ◆ getCachedModuleFileName() [1/2] std::string HeaderSearch::getCachedModuleFileName ( Module * Module ) ◆ getCachedModuleFileName() [2/2] std::string HeaderSearch::getCachedModuleFileName ( StringRef ModuleName, StringRef ModuleMapPath )

Retrieve the name of the (to-be-)cached module file that should be used to load a module with the given name.

Parameters: ModuleName The module whose module file name will be returned. ModuleMapPath A path that when combined with ModuleName uniquely identifies this module. See Module::ModuleMap.

Returns: The name of the module file that corresponds to this module, or an empty string if this module does not correspond to any module file.

Definition at line 254 of file HeaderSearch.cpp.

References getModuleCachePath().

◆ getDiags() ◆ getExistingFileInfo()

Return the HeaderFileInfo structure for the specified FileEntry, if it has ever been filled in (either locally or externally).

Definition at line 1328 of file HeaderSearch.cpp.

References clang::FileEntryRef::getUID(), clang::HeaderFileInfo::IsValid, mergeHeaderFileInfo(), and clang::HeaderFileInfo::Resolved.

Referenced by findAllModulesForHeader(), findModuleForHeader(), findResolvedModulesForHeader(), getFileDirFlavor(), hasFileBeenImported(), isFileMultipleIncludeGuarded(), LookupFile(), LookupSubframeworkHeader(), and MarkFileModuleHeader().

◆ getExistingLocalFileInfo() ◆ getExternalLookup() ◆ getFileDirFlavor() ◆ getFileInfo()

Return the HeaderFileInfo structure for the specified FileEntry, in preparation for updating it in some way.

Definition at line 1306 of file HeaderSearch.cpp.

References clang::HeaderFileInfo::External, clang::FileEntryRef::getUID(), clang::HeaderFileInfo::IsValid, mergeHeaderFileInfo(), and clang::HeaderFileInfo::Resolved.

Referenced by clang::Preprocessor::alreadyIncluded(), LookupFile(), LookupSubframeworkHeader(), MarkFileIncludeOnce(), MarkFileModuleHeader(), MarkFileSystemHeader(), clang::Preprocessor::markIncluded(), SetFileControllingMacro(), and ShouldEnterIncludeFile().

◆ getFileMgr() FileManager & clang::HeaderSearch::getFileMgr ( ) const inline ◆ getHeaderMapFileNames() void HeaderSearch::getHeaderMapFileNames ( SmallVectorImpl< std::string > & Names ) const ◆ getHeaderSearchOpts() ◆ getIncludeNameForHeader() StringRef HeaderSearch::getIncludeNameForHeader ( const FileEntry * File ) const ◆ getModuleCachePath() StringRef clang::HeaderSearch::getModuleCachePath ( ) const inline ◆ getModuleHash() StringRef clang::HeaderSearch::getModuleHash ( ) const inline ◆ getModuleMap() [1/2] ModuleMap & clang::HeaderSearch::getModuleMap ( ) inline

Retrieve the module map.

Definition at line 821 of file HeaderSearch.h.

Referenced by clang::Sema::ActOnEndOfTranslationUnit(), clang::Sema::ActOnModuleDecl(), clang::Sema::ActOnPrivateModuleFragmentDecl(), clang::tooling::dependencies::ModuleDepCollector::applyDiscoveredDependencies(), clang::ApplyHeaderSearchOptions(), clang::DependencyCollector::attachToPreprocessor(), clang::ModuleDependencyCollector::attachToPreprocessor(), clang::FrontendAction::BeginSourceFile(), compileModule(), clang::Preprocessor::EnterSubmodule(), getCachedModuleFileName(), getInputBufferForModule(), clang::Preprocessor::getModuleForLocation(), getPrebuiltImplicitModuleFileName(), clang::CompilerInstance::loadGlobalModuleIndex(), clang::CompilerInstance::loadModule(), loadModuleMapForModuleBuild(), clang::serialization::ModuleManager::lookupByModuleName(), clang::Preprocessor::LookupFile(), prepareToBuildModule(), and suggestModule().

◆ getModuleMap() [2/2] const ModuleMap & clang::HeaderSearch::getModuleMap ( ) const inline ◆ getPrebuiltImplicitModuleFileName() std::string HeaderSearch::getPrebuiltImplicitModuleFileName ( Module * Module ) ◆ getPrebuiltModuleFileName() std::string HeaderSearch::getPrebuiltModuleFileName ( StringRef ModuleName, bool FileMapOnly = false )

Retrieve the name of the prebuilt module file that should be used to load a module with the given name.

Parameters: ModuleName The module whose module file name will be returned. FileMapOnly If true, then only look in the explicit module name

Returns: The name of the module file that corresponds to this module, or an empty string if this module does not correspond to any module file.

Definition at line 205 of file HeaderSearch.cpp.

References getFileMgr(), and clang::Result.

Referenced by selectModuleSource().

◆ getTotalMemory() ◆ getUniqueFrameworkName() StringRef HeaderSearch::getUniqueFrameworkName ( StringRef Framework ) ◆ hasFileBeenImported() ◆ HasIncludeAliasMap() bool clang::HeaderSearch::HasIncludeAliasMap ( ) const inline ◆ hasModuleMap() ◆ header_file_size() ◆ isFileMultipleIncludeGuarded() ◆ loadModuleMapFile()

Read the contents of the given module map file.

Parameters: File The module map file. IsSystem Whether this file is in a system header directory. ID If the module map file is already mapped (perhaps as part of processing a preprocessed module), the ID of the file. Offset [inout] An offset within ID to start parsing. On exit, filled by the end of the parsed contents (either EOF or the location of an end-of-module-map pragma). OriginalModuleMapFile The original path to the module map file, used to resolve paths within the module (this is required when building the module from preprocessed source).

Returns: true if an error occurred, false otherwise.

Definition at line 1723 of file HeaderSearch.cpp.

References clang::File, getHeaderSearchOpts(), clang::DirectoryEntryRef::getName(), clang::FileManager::getOptionalDirectoryRef(), and clang::FileManager::getVirtualFileRef().

Referenced by clang::FrontendAction::BeginSourceFile(), collectAllModules(), hasModuleMap(), loadModuleMapForModuleBuild(), and loadTopLevelSystemModules().

◆ loadTopLevelSystemModules() void HeaderSearch::loadTopLevelSystemModules ( ) ◆ LookupFile() OptionalFileEntryRef HeaderSearch::LookupFile ( StringRef Filename, SourceLocation IncludeLoc, bool isAngled, ConstSearchDirIterator FromDir, ConstSearchDirIterator * CurDirArg, ArrayRef< std::pair< OptionalFileEntryRef, DirectoryEntryRef > > Includers, SmallVectorImpl< char > * SearchPath, SmallVectorImpl< char > * RelativePath, Module * RequestingModule, ModuleMap::KnownHeader * SuggestedModule, bool * IsMapped, bool * IsFrameworkFound, bool SkipCache = false, bool BuildSystemModule = false, bool OpenFile = true, bool CacheFailures = true )

Given a "foo" or <foo> reference, look up the indicated file, return null on failure.

LookupFile - Given a "foo" or <foo> reference, look up the indicated file, return null on failure.

Returns: If successful, this returns 'UsedDir', the DirectoryLookup member the file was found in, or null if not applicable.

Parameters: IncludeLoc Used for diagnostics if valid. isAngled indicates whether the file reference is a <> reference. CurDir If non-null, the file was found in the specified directory search location. This is used to implement #include_next. Includers Indicates where the #including file(s) are, in case relative searches are needed. In reverse order of inclusion. SearchPath If non-null, will be set to the search path relative to which the file was found. If the include path is absolute, SearchPath will be set to an empty string. RelativePath If non-null, will be set to the path relative to SearchPath at which the file was found. This only differs from the Filename for framework includes. SuggestedModule If non-null, and the file found is semantically part of a known module, this will be set to the module that should be imported instead of preprocessing/parsing the file found. IsMapped If non-null, and the search involved header maps, set to true. IsFrameworkFound If non-null, will be set to true if a framework is found in any of searched SearchDirs. Will be set to false if a framework is found only through header maps. Doesn't guarantee the requested file is found.

isAngled indicates whether the file reference is for system #include's or not (i.e. using <> instead of ""). Includers, if non-empty, indicates where the #including file(s) are, in case a relative search is needed. Microsoft mode will pass all #including files.

Definition at line 885 of file HeaderSearch.cpp.

References angled_dir_begin(), clang::SrcMgr::C_System, clang::SrcMgr::C_User, checkMSVCHeaderSearch(), copyString(), diagnoseFrameworkInclude(), clang::HeaderFileInfo::DirInfo, false, clang::File, Filename, clang::First, getExistingFileInfo(), getFileInfo(), clang::DiagnosticsEngine::isIgnored(), Iter, search_dir_begin(), search_dir_end(), and search_dir_nth().

Referenced by clang::FrontendAction::BeginSourceFile(), and clang::Preprocessor::LookupFile().

◆ LookupFrameworkCache()

Look up the specified framework name in our framework cache.

Returns: The DirectoryEntry it is in if we know, null otherwise.

Definition at line 521 of file HeaderSearch.h.

◆ lookupModule()

Lookup a module Search for a module with the given name.

Parameters: ModuleName The name of the module we're looking for. ImportLoc Location of the module include/import. AllowSearch Whether we are allowed to search in the various search directories to produce a module definition. If not, this lookup will only return an already-known module. AllowExtraModuleMapSearch Whether we allow to search modulemaps in subdirectories.

Returns: The module with the given name.

Definition at line 293 of file HeaderSearch.cpp.

References clang::ModuleMap::findModule(), and lookupModule().

Referenced by clang::Sema::BuildModuleInclude(), clang::Preprocessor::getCurrentModule(), clang::FrontendAction::getCurrentModule(), clang::Preprocessor::getCurrentModuleImplementation(), clang::PCHGenerator::getEmittingModule(), clang::Preprocessor::getModuleForLocation(), getTopImportImplicitModule(), clang::ASTUnit::LoadFromASTFile(), clang::CompilerInstance::loadModule(), lookupModule(), and prepareToBuildModule().

◆ lookupModuleMapFile() ◆ LookupSubframeworkHeader()

Look up a subframework for the specified #include file.

LookupSubframeworkHeader - Look up a subframework for the specified #include file.

For example, if #include'ing <HIToolbox/HIToolbox.h> from within ".../Carbon.framework/Headers/Carbon.h", check to see if HIToolbox is a subframework within Carbon.framework. If so, return the FileEntry for the designated file, otherwise return null.

Definition at line 1153 of file HeaderSearch.cpp.

References clang::HeaderFileInfo::DirInfo, clang::File, Filename, getExistingFileInfo(), getFileInfo(), clang::FileEntryRef::getName(), clang::FileManager::getOptionalDirectoryRef(), and clang::FileManager::getOptionalFileRef().

Referenced by clang::Preprocessor::LookupFile().

◆ MapHeaderToIncludeAlias() StringRef clang::HeaderSearch::MapHeaderToIncludeAlias ( StringRef Source ) inline

Maps one header file name to a different header file name, for use with the include_alias pragma.

Note that the source file name should include the angle brackets or quotes. Returns StringRef as null if the header cannot be mapped.

Definition at line 412 of file HeaderSearch.h.

References Iter.

◆ MarkFileIncludeOnce() void clang::HeaderSearch::MarkFileIncludeOnce ( FileEntryRef File ) inline ◆ MarkFileModuleHeader() ◆ MarkFileSystemHeader() void clang::HeaderSearch::MarkFileSystemHeader ( FileEntryRef File ) inline ◆ operator=() ◆ PrintStats() void HeaderSearch::PrintStats ( ) ◆ quoted_dir_begin() ◆ quoted_dir_end() ◆ search_dir_begin() [1/2] ◆ search_dir_begin() [2/2] ◆ search_dir_end() [1/2] ◆ search_dir_end() [2/2] ◆ search_dir_nth() ◆ search_dir_range() [1/2] ◆ search_dir_range() [2/2] ◆ search_dir_size() ◆ searchDirIdx() ◆ setDirectoryHasModuleMap() void clang::HeaderSearch::setDirectoryHasModuleMap ( const DirectoryEntry * Dir ) inline

Consider modules when including files from this directory.

Definition at line 437 of file HeaderSearch.h.

◆ SetExternalLookup() ◆ SetExternalSource()

Set the external source of header information.

Definition at line 455 of file HeaderSearch.h.

◆ SetFileControllingMacro() ◆ setModuleCachePath() void clang::HeaderSearch::setModuleCachePath ( StringRef CachePath ) inline ◆ setModuleHash() void clang::HeaderSearch::setModuleHash ( StringRef Hash ) inline

Set the hash to use for module cache paths.

Definition at line 423 of file HeaderSearch.h.

◆ SetSearchPaths() ◆ SetSystemHeaderPrefixes() void clang::HeaderSearch::SetSystemHeaderPrefixes ( ArrayRef< std::pair< std::string, bool > > P ) inline

Set the list of system header prefixes.

Definition at line 391 of file HeaderSearch.h.

References P.

◆ setTarget() void HeaderSearch::setTarget ( const TargetInfo & Target ) ◆ ShouldEnterIncludeFile()

Mark the specified file as a target of a #include, #include_next, or #import directive.

Returns: false if #including the file will have no effect or true if we should include it.

Parameters: M The module to which File belongs (this should usually be the SuggestedModule returned by LookupFile/LookupSubframeworkHeader)

Definition at line 1391 of file HeaderSearch.cpp.

References clang::Preprocessor::alreadyIncluded(), clang::File, clang::HeaderFileInfo::getControllingMacro(), getFileInfo(), clang::ModuleMap::isBuiltinHeader(), clang::HeaderFileInfo::isCompilingModuleHeader, clang::HeaderFileInfo::isImport, clang::Preprocessor::isMacroDefined(), clang::Preprocessor::isMacroDefinedInLocalModule(), clang::HeaderFileInfo::isModuleHeader, clang::HeaderFileInfo::isPragmaOnce, clang::HeaderFileInfo::isTextualModuleHeader, clang::Preprocessor::markIncluded(), and clang::ModuleMap::resolveHeaderDirectives().

◆ suggestPathToFileForDiagnostics() [1/2] std::string HeaderSearch::suggestPathToFileForDiagnostics ( FileEntryRef File, llvm::StringRef MainFile, bool * IsAngled = nullptr ) const

Suggest a path by which the specified file could be found, for use in diagnostics to suggest a #include.

Returned path will only contain forward slashes as separators. MainFile is the absolute path of the file that we are generating the diagnostics for. It will try to shorten the path using MainFile location, if none of the include search directories were prefix of File.

Parameters: IsAngled If non-null, filled in to indicate whether the suggested path should be referenced as <Header.h> instead of "Header.h".

Definition at line 1976 of file HeaderSearch.cpp.

References clang::File, and suggestPathToFileForDiagnostics().

Referenced by getHeaderNameForHeader(), and suggestPathToFileForDiagnostics().

◆ suggestPathToFileForDiagnostics() [2/2] std::string HeaderSearch::suggestPathToFileForDiagnostics ( llvm::StringRef File, llvm::StringRef WorkingDir, llvm::StringRef MainFile, bool * IsAngled = nullptr ) const

Suggest a path by which the specified file could be found, for use in diagnostics to suggest a #include.

Parameters: WorkingDir If non-empty, this will be prepended to search directory paths that are relative.

Definition at line 1982 of file HeaderSearch.cpp.

References clang::File, Filename, isFrameworkStylePath(), and search_dir_range().

◆ system_dir_begin() ◆ system_dir_end() ◆ DirectoryLookup

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

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

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