//===--- InitHeaderSearch.cpp - Initialize header search paths ------------===// // // The LLVM Compiler Infrastructure // // This file is distributed under the University of Illinois Open Source // License. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// // // This file implements the InitHeaderSearch class. // //===----------------------------------------------------------------------===// #include "clang/Frontend/Utils.h" #include "clang/Basic/FileManager.h" #include "clang/Basic/LangOptions.h" #include "clang/Config/config.h" // C_INCLUDE_DIRS #include "clang/Lex/HeaderSearch.h" #include "clang/Lex/HeaderSearchOptions.h" #include "llvm/ADT/SmallPtrSet.h" #include "llvm/ADT/SmallString.h" #include "llvm/ADT/SmallVector.h" #include "llvm/ADT/StringExtras.h" #include "llvm/ADT/Triple.h" #include "llvm/ADT/Twine.h" #include "llvm/Support/ErrorHandling.h" #include "llvm/Support/FileSystem.h" #include "llvm/Support/Path.h" #include "llvm/Support/raw_ostream.h" using namespace clang; using namespace clang::frontend; namespace { /// InitHeaderSearch - This class makes it easier to set the search paths of /// a HeaderSearch object. InitHeaderSearch stores several search path lists /// internally, which can be sent to a HeaderSearch object in one swoop. class InitHeaderSearch { std::vector > IncludePath; typedef std::vector >::const_iterator path_iterator; std::vector > SystemHeaderPrefixes; HeaderSearch &Headers; bool Verbose; std::string IncludeSysroot; bool HasSysroot; public: InitHeaderSearch(HeaderSearch &HS, bool verbose, StringRef sysroot) : Headers(HS), Verbose(verbose), IncludeSysroot(sysroot), HasSysroot(!(sysroot.empty() || sysroot == "/")) { } /// AddPath - Add the specified path to the specified group list, prefixing /// the sysroot if used. void AddPath(const Twine &Path, IncludeDirGroup Group, bool isFramework); /// AddUnmappedPath - Add the specified path to the specified group list, /// without performing any sysroot remapping. void AddUnmappedPath(const Twine &Path, IncludeDirGroup Group, bool isFramework); /// AddSystemHeaderPrefix - Add the specified prefix to the system header /// prefix list. void AddSystemHeaderPrefix(StringRef Prefix, bool IsSystemHeader) { SystemHeaderPrefixes.push_back(std::make_pair(Prefix, IsSystemHeader)); } /// AddGnuCPlusPlusIncludePaths - Add the necessary paths to support a gnu /// libstdc++. void AddGnuCPlusPlusIncludePaths(StringRef Base, StringRef ArchDir, StringRef Dir32, StringRef Dir64, const llvm::Triple &triple); /// AddMinGWCPlusPlusIncludePaths - Add the necessary paths to support a MinGW /// libstdc++. void AddMinGWCPlusPlusIncludePaths(StringRef Base, StringRef Arch, StringRef Version); /// AddMinGW64CXXPaths - Add the necessary paths to support /// libstdc++ of x86_64-w64-mingw32 aka mingw-w64. void AddMinGW64CXXPaths(StringRef Base, StringRef Version); // AddDefaultCIncludePaths - Add paths that should always be searched. void AddDefaultCIncludePaths(const llvm::Triple &triple, const HeaderSearchOptions &HSOpts); // AddDefaultCPlusPlusIncludePaths - Add paths that should be searched when // compiling c++. void AddDefaultCPlusPlusIncludePaths(const llvm::Triple &triple, const HeaderSearchOptions &HSOpts); /// AddDefaultSystemIncludePaths - Adds the default system include paths so /// that e.g. stdio.h is found. void AddDefaultIncludePaths(const LangOptions &Lang, const llvm::Triple &triple, const HeaderSearchOptions &HSOpts); /// Realize - Merges all search path lists into one list and send it to /// HeaderSearch. void Realize(const LangOptions &Lang); }; } // end anonymous namespace. static bool CanPrefixSysroot(StringRef Path) { #if defined(LLVM_ON_WIN32) return !Path.empty() && llvm::sys::path::is_separator(Path[0]); #else return llvm::sys::path::is_absolute(Path); #endif } void InitHeaderSearch::AddPath(const Twine &Path, IncludeDirGroup Group, bool isFramework) { // Add the path with sysroot prepended, if desired and this is a system header // group. if (HasSysroot) { SmallString<256> MappedPathStorage; StringRef MappedPathStr = Path.toStringRef(MappedPathStorage); if (CanPrefixSysroot(MappedPathStr)) { AddUnmappedPath(IncludeSysroot + Path, Group, isFramework); return; } } AddUnmappedPath(Path, Group, isFramework); } void InitHeaderSearch::AddUnmappedPath(const Twine &Path, IncludeDirGroup Group, bool isFramework) { assert(!Path.isTriviallyEmpty() && "can't handle empty path here"); FileManager &FM = Headers.getFileMgr(); SmallString<256> MappedPathStorage; StringRef MappedPathStr = Path.toStringRef(MappedPathStorage); // Compute the DirectoryLookup type. SrcMgr::CharacteristicKind Type; if (Group == Quoted || Group == Angled || Group == IndexHeaderMap) { Type = SrcMgr::C_User; } else if (Group == ExternCSystem) { Type = SrcMgr::C_ExternCSystem; } else { Type = SrcMgr::C_System; } // If the directory exists, add it. if (const DirectoryEntry *DE = FM.getDirectory(MappedPathStr)) { IncludePath.push_back( std::make_pair(Group, DirectoryLookup(DE, Type, isFramework))); return; } // Check to see if this is an apple-style headermap (which are not allowed to // be frameworks). if (!isFramework) { if (const FileEntry *FE = FM.getFile(MappedPathStr)) { if (const HeaderMap *HM = Headers.CreateHeaderMap(FE)) { // It is a headermap, add it to the search path. IncludePath.push_back( std::make_pair(Group, DirectoryLookup(HM, Type, Group == IndexHeaderMap))); return; } } } if (Verbose) llvm::errs() << "ignoring nonexistent directory \"" << MappedPathStr << "\"\n"; } void InitHeaderSearch::AddGnuCPlusPlusIncludePaths(StringRef Base, StringRef ArchDir, StringRef Dir32, StringRef Dir64, const llvm::Triple &triple) { // Add the base dir AddPath(Base, CXXSystem, false); // Add the multilib dirs llvm::Triple::ArchType arch = triple.getArch(); bool is64bit = arch == llvm::Triple::ppc64 || arch == llvm::Triple::x86_64; if (is64bit) AddPath(Base + "/" + ArchDir + "/" + Dir64, CXXSystem, false); else AddPath(Base + "/" + ArchDir + "/" + Dir32, CXXSystem, false); // Add the backward dir AddPath(Base + "/backward", CXXSystem, false); } void InitHeaderSearch::AddMinGWCPlusPlusIncludePaths(StringRef Base, StringRef Arch, StringRef Version) { AddPath(Base + "/" + Arch + "/" + Version + "/include/c++", CXXSystem, false); AddPath(Base + "/" + Arch + "/" + Version + "/include/c++/" + Arch, CXXSystem, false); AddPath(Base + "/" + Arch + "/" + Version + "/include/c++/backward", CXXSystem, false); } void InitHeaderSearch::AddMinGW64CXXPaths(StringRef Base, StringRef Version) { // Assumes Base is HeaderSearchOpts' ResourceDir AddPath(Base + "/../../../include/c++/" + Version, CXXSystem, false); AddPath(Base + "/../../../include/c++/" + Version + "/x86_64-w64-mingw32", CXXSystem, false); AddPath(Base + "/../../../include/c++/" + Version + "/i686-w64-mingw32", CXXSystem, false); AddPath(Base + "/../../../include/c++/" + Version + "/backward", CXXSystem, false); } void InitHeaderSearch::AddDefaultCIncludePaths(const llvm::Triple &triple, const HeaderSearchOptions &HSOpts) { llvm::Triple::OSType os = triple.getOS(); if (HSOpts.UseStandardSystemIncludes) { switch (os) { case llvm::Triple::CloudABI: case llvm::Triple::FreeBSD: case llvm::Triple::NetBSD: case llvm::Triple::OpenBSD: case llvm::Triple::Bitrig: case llvm::Triple::NaCl: break; default: // FIXME: temporary hack: hard-coded paths. AddPath("/usr/local/include", System, false); break; } } // Builtin includes use #include_next directives and should be positioned // just prior C include dirs. if (HSOpts.UseBuiltinIncludes) { // Ignore the sys root, we *always* look for clang headers relative to // supplied path. SmallString<128> P = StringRef(HSOpts.ResourceDir); llvm::sys::path::append(P, "include"); AddUnmappedPath(P, ExternCSystem, false); } // All remaining additions are for system include directories, early exit if // we aren't using them. if (!HSOpts.UseStandardSystemIncludes) return; // Add dirs specified via 'configure --with-c-include-dirs'. StringRef CIncludeDirs(C_INCLUDE_DIRS); if (CIncludeDirs != "") { SmallVector dirs; CIncludeDirs.split(dirs, ":"); for (SmallVectorImpl::iterator i = dirs.begin(); i != dirs.end(); ++i) AddPath(*i, ExternCSystem, false); return; } switch (os) { case llvm::Triple::Linux: llvm_unreachable("Include management is handled in the driver."); case llvm::Triple::CloudABI: { // //include SmallString<128> P = StringRef(HSOpts.ResourceDir); llvm::sys::path::append(P, "../../..", triple.str(), "include"); AddPath(P, System, false); break; } case llvm::Triple::Haiku: AddPath("/boot/common/include", System, false); AddPath("/boot/develop/headers/os", System, false); AddPath("/boot/develop/headers/os/app", System, false); AddPath("/boot/develop/headers/os/arch", System, false); AddPath("/boot/develop/headers/os/device", System, false); AddPath("/boot/develop/headers/os/drivers", System, false); AddPath("/boot/develop/headers/os/game", System, false); AddPath("/boot/develop/headers/os/interface", System, false); AddPath("/boot/develop/headers/os/kernel", System, false); AddPath("/boot/develop/headers/os/locale", System, false); AddPath("/boot/develop/headers/os/mail", System, false); AddPath("/boot/develop/headers/os/media", System, false); AddPath("/boot/develop/headers/os/midi", System, false); AddPath("/boot/develop/headers/os/midi2", System, false); AddPath("/boot/develop/headers/os/net", System, false); AddPath("/boot/develop/headers/os/storage", System, false); AddPath("/boot/develop/headers/os/support", System, false); AddPath("/boot/develop/headers/os/translation", System, false); AddPath("/boot/develop/headers/os/add-ons/graphics", System, false); AddPath("/boot/develop/headers/os/add-ons/input_server", System, false); AddPath("/boot/develop/headers/os/add-ons/screen_saver", System, false); AddPath("/boot/develop/headers/os/add-ons/tracker", System, false); AddPath("/boot/develop/headers/os/be_apps/Deskbar", System, false); AddPath("/boot/develop/headers/os/be_apps/NetPositive", System, false); AddPath("/boot/develop/headers/os/be_apps/Tracker", System, false); AddPath("/boot/develop/headers/cpp", System, false); AddPath("/boot/develop/headers/cpp/i586-pc-haiku", System, false); AddPath("/boot/develop/headers/3rdparty", System, false); AddPath("/boot/develop/headers/bsd", System, false); AddPath("/boot/develop/headers/glibc", System, false); AddPath("/boot/develop/headers/posix", System, false); AddPath("/boot/develop/headers", System, false); break; case llvm::Triple::RTEMS: break; case llvm::Triple::Win32: switch (triple.getEnvironment()) { default: llvm_unreachable("Include management is handled in the driver."); case llvm::Triple::Cygnus: AddPath("/usr/include/w32api", System, false); break; case llvm::Triple::GNU: // mingw-w64 crt include paths // /i686-w64-mingw32/include SmallString<128> P = StringRef(HSOpts.ResourceDir); llvm::sys::path::append(P, "../../../i686-w64-mingw32/include"); AddPath(P, System, false); // /x86_64-w64-mingw32/include P.resize(HSOpts.ResourceDir.size()); llvm::sys::path::append(P, "../../../x86_64-w64-mingw32/include"); AddPath(P, System, false); // mingw.org crt include paths // /include P.resize(HSOpts.ResourceDir.size()); llvm::sys::path::append(P, "../../../include"); AddPath(P, System, false); AddPath("/mingw/include", System, false); #if defined(LLVM_ON_WIN32) AddPath("c:/mingw/include", System, false); #endif break; } break; default: break; } switch (os) { case llvm::Triple::CloudABI: case llvm::Triple::RTEMS: case llvm::Triple::NaCl: break; default: AddPath("/usr/include", ExternCSystem, false); break; } } void InitHeaderSearch:: AddDefaultCPlusPlusIncludePaths(const llvm::Triple &triple, const HeaderSearchOptions &HSOpts) { llvm::Triple::OSType os = triple.getOS(); // FIXME: temporary hack: hard-coded paths. if (triple.isOSDarwin()) { switch (triple.getArch()) { default: break; case llvm::Triple::ppc: case llvm::Triple::ppc64: AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.2.1", "powerpc-apple-darwin10", "", "ppc64", triple); AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.0.0", "powerpc-apple-darwin10", "", "ppc64", triple); break; case llvm::Triple::x86: case llvm::Triple::x86_64: AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.2.1", "i686-apple-darwin10", "", "x86_64", triple); AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.0.0", "i686-apple-darwin8", "", "", triple); break; case llvm::Triple::arm: case llvm::Triple::thumb: AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.2.1", "arm-apple-darwin10", "v7", "", triple); AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.2.1", "arm-apple-darwin10", "v6", "", triple); break; case llvm::Triple::aarch64: AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.2.1", "arm64-apple-darwin10", "", "", triple); break; } return; } switch (os) { case llvm::Triple::Linux: llvm_unreachable("Include management is handled in the driver."); break; case llvm::Triple::Win32: switch (triple.getEnvironment()) { default: llvm_unreachable("Include management is handled in the driver."); case llvm::Triple::Cygnus: // Cygwin-1.7 AddMinGWCPlusPlusIncludePaths("/usr/lib/gcc", "i686-pc-cygwin", "4.7.3"); AddMinGWCPlusPlusIncludePaths("/usr/lib/gcc", "i686-pc-cygwin", "4.5.3"); AddMinGWCPlusPlusIncludePaths("/usr/lib/gcc", "i686-pc-cygwin", "4.3.4"); // g++-4 / Cygwin-1.5 AddMinGWCPlusPlusIncludePaths("/usr/lib/gcc", "i686-pc-cygwin", "4.3.2"); break; case llvm::Triple::GNU: // mingw-w64 C++ include paths (i686-w64-mingw32 and x86_64-w64-mingw32) AddMinGW64CXXPaths(HSOpts.ResourceDir, "4.7.0"); AddMinGW64CXXPaths(HSOpts.ResourceDir, "4.7.1"); AddMinGW64CXXPaths(HSOpts.ResourceDir, "4.7.2"); AddMinGW64CXXPaths(HSOpts.ResourceDir, "4.7.3"); AddMinGW64CXXPaths(HSOpts.ResourceDir, "4.8.0"); AddMinGW64CXXPaths(HSOpts.ResourceDir, "4.8.1"); AddMinGW64CXXPaths(HSOpts.ResourceDir, "4.8.2"); // mingw.org C++ include paths #if defined(LLVM_ON_WIN32) AddMinGWCPlusPlusIncludePaths("c:/MinGW/lib/gcc", "mingw32", "4.7.0"); AddMinGWCPlusPlusIncludePaths("c:/MinGW/lib/gcc", "mingw32", "4.7.1"); AddMinGWCPlusPlusIncludePaths("c:/MinGW/lib/gcc", "mingw32", "4.7.2"); AddMinGWCPlusPlusIncludePaths("c:/MinGW/lib/gcc", "mingw32", "4.7.3"); AddMinGWCPlusPlusIncludePaths("c:/MinGW/lib/gcc", "mingw32", "4.8.0"); AddMinGWCPlusPlusIncludePaths("c:/MinGW/lib/gcc", "mingw32", "4.8.1"); AddMinGWCPlusPlusIncludePaths("c:/MinGW/lib/gcc", "mingw32", "4.8.2"); #endif break; } case llvm::Triple::DragonFly: if (llvm::sys::fs::exists("/usr/lib/gcc47")) AddPath("/usr/include/c++/4.7", CXXSystem, false); else AddPath("/usr/include/c++/4.4", CXXSystem, false); break; case llvm::Triple::OpenBSD: { std::string t = triple.getTriple(); if (t.substr(0, 6) == "x86_64") t.replace(0, 6, "amd64"); AddGnuCPlusPlusIncludePaths("/usr/include/g++", t, "", "", triple); break; } case llvm::Triple::Minix: AddGnuCPlusPlusIncludePaths("/usr/gnu/include/c++/4.4.3", "", "", "", triple); break; case llvm::Triple::Solaris: AddGnuCPlusPlusIncludePaths("/usr/gcc/4.5/include/c++/4.5.2/", "i386-pc-solaris2.11", "", "", triple); break; default: break; } } void InitHeaderSearch::AddDefaultIncludePaths(const LangOptions &Lang, const llvm::Triple &triple, const HeaderSearchOptions &HSOpts) { // NB: This code path is going away. All of the logic is moving into the // driver which has the information necessary to do target-specific // selections of default include paths. Each target which moves there will be // exempted from this logic here until we can delete the entire pile of code. switch (triple.getOS()) { default: break; // Everything else continues to use this routine's logic. case llvm::Triple::Linux: return; case llvm::Triple::Win32: if (triple.getEnvironment() == llvm::Triple::MSVC || triple.getEnvironment() == llvm::Triple::Itanium || triple.isOSBinFormatMachO()) return; break; } if (Lang.CPlusPlus && HSOpts.UseStandardCXXIncludes && HSOpts.UseStandardSystemIncludes) { if (HSOpts.UseLibcxx) { if (triple.isOSDarwin()) { // On Darwin, libc++ may be installed alongside the compiler in // include/c++/v1. if (!HSOpts.ResourceDir.empty()) { // Remove version from foo/lib/clang/version StringRef NoVer = llvm::sys::path::parent_path(HSOpts.ResourceDir); // Remove clang from foo/lib/clang StringRef Lib = llvm::sys::path::parent_path(NoVer); // Remove lib from foo/lib SmallString<128> P = llvm::sys::path::parent_path(Lib); // Get foo/include/c++/v1 llvm::sys::path::append(P, "include", "c++", "v1"); AddUnmappedPath(P, CXXSystem, false); } } // On Solaris, include the support directory for things like xlocale and // fudged system headers. if (triple.getOS() == llvm::Triple::Solaris) AddPath("/usr/include/c++/v1/support/solaris", CXXSystem, false); AddPath("/usr/include/c++/v1", CXXSystem, false); } else { AddDefaultCPlusPlusIncludePaths(triple, HSOpts); } } AddDefaultCIncludePaths(triple, HSOpts); // Add the default framework include paths on Darwin. if (HSOpts.UseStandardSystemIncludes) { if (triple.isOSDarwin()) { AddPath("/System/Library/Frameworks", System, true); AddPath("/Library/Frameworks", System, true); } } } /// RemoveDuplicates - If there are duplicate directory entries in the specified /// search list, remove the later (dead) ones. Returns the number of non-system /// headers removed, which is used to update NumAngled. static unsigned RemoveDuplicates(std::vector &SearchList, unsigned First, bool Verbose) { llvm::SmallPtrSet SeenDirs; llvm::SmallPtrSet SeenFrameworkDirs; llvm::SmallPtrSet SeenHeaderMaps; unsigned NonSystemRemoved = 0; for (unsigned i = First; i != SearchList.size(); ++i) { unsigned DirToRemove = i; const DirectoryLookup &CurEntry = SearchList[i]; if (CurEntry.isNormalDir()) { // If this isn't the first time we've seen this dir, remove it. if (SeenDirs.insert(CurEntry.getDir()).second) continue; } else if (CurEntry.isFramework()) { // If this isn't the first time we've seen this framework dir, remove it. if (SeenFrameworkDirs.insert(CurEntry.getFrameworkDir()).second) continue; } else { assert(CurEntry.isHeaderMap() && "Not a headermap or normal dir?"); // If this isn't the first time we've seen this headermap, remove it. if (SeenHeaderMaps.insert(CurEntry.getHeaderMap()).second) continue; } // If we have a normal #include dir/framework/headermap that is shadowed // later in the chain by a system include location, we actually want to // ignore the user's request and drop the user dir... keeping the system // dir. This is weird, but required to emulate GCC's search path correctly. // // Since dupes of system dirs are rare, just rescan to find the original // that we're nuking instead of using a DenseMap. if (CurEntry.getDirCharacteristic() != SrcMgr::C_User) { // Find the dir that this is the same of. unsigned FirstDir; for (FirstDir = 0; ; ++FirstDir) { assert(FirstDir != i && "Didn't find dupe?"); const DirectoryLookup &SearchEntry = SearchList[FirstDir]; // If these are different lookup types, then they can't be the dupe. if (SearchEntry.getLookupType() != CurEntry.getLookupType()) continue; bool isSame; if (CurEntry.isNormalDir()) isSame = SearchEntry.getDir() == CurEntry.getDir(); else if (CurEntry.isFramework()) isSame = SearchEntry.getFrameworkDir() == CurEntry.getFrameworkDir(); else { assert(CurEntry.isHeaderMap() && "Not a headermap or normal dir?"); isSame = SearchEntry.getHeaderMap() == CurEntry.getHeaderMap(); } if (isSame) break; } // If the first dir in the search path is a non-system dir, zap it // instead of the system one. if (SearchList[FirstDir].getDirCharacteristic() == SrcMgr::C_User) DirToRemove = FirstDir; } if (Verbose) { llvm::errs() << "ignoring duplicate directory \"" << CurEntry.getName() << "\"\n"; if (DirToRemove != i) llvm::errs() << " as it is a non-system directory that duplicates " << "a system directory\n"; } if (DirToRemove != i) ++NonSystemRemoved; // This is reached if the current entry is a duplicate. Remove the // DirToRemove (usually the current dir). SearchList.erase(SearchList.begin()+DirToRemove); --i; } return NonSystemRemoved; } void InitHeaderSearch::Realize(const LangOptions &Lang) { // Concatenate ANGLE+SYSTEM+AFTER chains together into SearchList. std::vector SearchList; SearchList.reserve(IncludePath.size()); // Quoted arguments go first. for (path_iterator it = IncludePath.begin(), ie = IncludePath.end(); it != ie; ++it) { if (it->first == Quoted) SearchList.push_back(it->second); } // Deduplicate and remember index. RemoveDuplicates(SearchList, 0, Verbose); unsigned NumQuoted = SearchList.size(); for (path_iterator it = IncludePath.begin(), ie = IncludePath.end(); it != ie; ++it) { if (it->first == Angled || it->first == IndexHeaderMap) SearchList.push_back(it->second); } RemoveDuplicates(SearchList, NumQuoted, Verbose); unsigned NumAngled = SearchList.size(); for (path_iterator it = IncludePath.begin(), ie = IncludePath.end(); it != ie; ++it) { if (it->first == System || it->first == ExternCSystem || (!Lang.ObjC1 && !Lang.CPlusPlus && it->first == CSystem) || (/*FIXME !Lang.ObjC1 && */Lang.CPlusPlus && it->first == CXXSystem) || (Lang.ObjC1 && !Lang.CPlusPlus && it->first == ObjCSystem) || (Lang.ObjC1 && Lang.CPlusPlus && it->first == ObjCXXSystem)) SearchList.push_back(it->second); } for (path_iterator it = IncludePath.begin(), ie = IncludePath.end(); it != ie; ++it) { if (it->first == After) SearchList.push_back(it->second); } // Remove duplicates across both the Angled and System directories. GCC does // this and failing to remove duplicates across these two groups breaks // #include_next. unsigned NonSystemRemoved = RemoveDuplicates(SearchList, NumQuoted, Verbose); NumAngled -= NonSystemRemoved; bool DontSearchCurDir = false; // TODO: set to true if -I- is set? Headers.SetSearchPaths(SearchList, NumQuoted, NumAngled, DontSearchCurDir); Headers.SetSystemHeaderPrefixes(SystemHeaderPrefixes); // If verbose, print the list of directories that will be searched. if (Verbose) { llvm::errs() << "#include \"...\" search starts here:\n"; for (unsigned i = 0, e = SearchList.size(); i != e; ++i) { if (i == NumQuoted) llvm::errs() << "#include <...> search starts here:\n"; const char *Name = SearchList[i].getName(); const char *Suffix; if (SearchList[i].isNormalDir()) Suffix = ""; else if (SearchList[i].isFramework()) Suffix = " (framework directory)"; else { assert(SearchList[i].isHeaderMap() && "Unknown DirectoryLookup"); Suffix = " (headermap)"; } llvm::errs() << " " << Name << Suffix << "\n"; } llvm::errs() << "End of search list.\n"; } } void clang::ApplyHeaderSearchOptions(HeaderSearch &HS, const HeaderSearchOptions &HSOpts, const LangOptions &Lang, const llvm::Triple &Triple) { InitHeaderSearch Init(HS, HSOpts.Verbose, HSOpts.Sysroot); // Add the user defined entries. for (unsigned i = 0, e = HSOpts.UserEntries.size(); i != e; ++i) { const HeaderSearchOptions::Entry &E = HSOpts.UserEntries[i]; if (E.IgnoreSysRoot) { Init.AddUnmappedPath(E.Path, E.Group, E.IsFramework); } else { Init.AddPath(E.Path, E.Group, E.IsFramework); } } Init.AddDefaultIncludePaths(Lang, Triple, HSOpts); for (unsigned i = 0, e = HSOpts.SystemHeaderPrefixes.size(); i != e; ++i) Init.AddSystemHeaderPrefix(HSOpts.SystemHeaderPrefixes[i].Prefix, HSOpts.SystemHeaderPrefixes[i].IsSystemHeader); if (HSOpts.UseBuiltinIncludes) { // Set up the builtin include directory in the module map. SmallString<128> P = StringRef(HSOpts.ResourceDir); llvm::sys::path::append(P, "include"); if (const DirectoryEntry *Dir = HS.getFileMgr().getDirectory(P)) HS.getModuleMap().setBuiltinIncludeDir(Dir); } Init.Realize(Lang); }