diff options
Diffstat (limited to 'contrib/llvm/tools/clang/lib/Frontend/InitHeaderSearch.cpp')
| -rw-r--r-- | contrib/llvm/tools/clang/lib/Frontend/InitHeaderSearch.cpp | 873 |
1 files changed, 873 insertions, 0 deletions
diff --git a/contrib/llvm/tools/clang/lib/Frontend/InitHeaderSearch.cpp b/contrib/llvm/tools/clang/lib/Frontend/InitHeaderSearch.cpp new file mode 100644 index 0000000..e0391c2 --- /dev/null +++ b/contrib/llvm/tools/clang/lib/Frontend/InitHeaderSearch.cpp @@ -0,0 +1,873 @@ +//===--- 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/Frontend/HeaderSearchOptions.h" +#include "clang/Lex/HeaderSearch.h" +#include "llvm/ADT/SmallString.h" +#include "llvm/ADT/SmallPtrSet.h" +#include "llvm/ADT/SmallVector.h" +#include "llvm/ADT/StringExtras.h" +#include "llvm/ADT/Triple.h" +#include "llvm/ADT/Twine.h" +#include "llvm/Support/raw_ostream.h" +#include "llvm/System/Path.h" +#include "llvm/Config/config.h" +#ifdef _MSC_VER + #define WIN32_LEAN_AND_MEAN 1 + #include <windows.h> +#endif +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<DirectoryLookup> IncludeGroup[4]; + HeaderSearch& Headers; + bool Verbose; + std::string isysroot; + +public: + + InitHeaderSearch(HeaderSearch &HS, + bool verbose = false, const std::string &iSysroot = "") + : Headers(HS), Verbose(verbose), isysroot(iSysroot) {} + + /// AddPath - Add the specified path to the specified group list. + void AddPath(const llvm::Twine &Path, IncludeDirGroup Group, + bool isCXXAware, bool isUserSupplied, + bool isFramework, bool IgnoreSysRoot = false); + + /// AddGnuCPlusPlusIncludePaths - Add the necessary paths to support a gnu + /// libstdc++. + void AddGnuCPlusPlusIncludePaths(llvm::StringRef Base, + llvm::StringRef ArchDir, + llvm::StringRef Dir32, + llvm::StringRef Dir64, + const llvm::Triple &triple); + + /// AddMinGWCPlusPlusIncludePaths - Add the necessary paths to suport a MinGW + /// libstdc++. + void AddMinGWCPlusPlusIncludePaths(llvm::StringRef Base, + llvm::StringRef Arch, + llvm::StringRef Version); + + /// AddDelimitedPaths - Add a list of paths delimited by the system PATH + /// separator. The processing follows that of the CPATH variable for gcc. + void AddDelimitedPaths(llvm::StringRef String); + + // 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); + + /// AddDefaultSystemIncludePaths - Adds the default system include paths so + /// that e.g. stdio.h is found. + void AddDefaultSystemIncludePaths(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(); +}; + +} + +void InitHeaderSearch::AddPath(const llvm::Twine &Path, + IncludeDirGroup Group, bool isCXXAware, + bool isUserSupplied, bool isFramework, + bool IgnoreSysRoot) { + assert(!Path.isTriviallyEmpty() && "can't handle empty path here"); + FileManager &FM = Headers.getFileMgr(); + + // Compute the actual path, taking into consideration -isysroot. + llvm::SmallString<256> MappedPathStr; + llvm::raw_svector_ostream MappedPath(MappedPathStr); + + // Handle isysroot. + if (Group == System && !IgnoreSysRoot) { + // FIXME: Portability. This should be a sys::Path interface, this doesn't + // handle things like C:\ right, nor win32 \\network\device\blah. + if (isysroot.size() != 1 || isysroot[0] != '/') // Add isysroot if present. + MappedPath << isysroot; + } + + Path.print(MappedPath); + + // Compute the DirectoryLookup type. + SrcMgr::CharacteristicKind Type; + if (Group == Quoted || Group == Angled) + Type = SrcMgr::C_User; + else if (isCXXAware) + Type = SrcMgr::C_System; + else + Type = SrcMgr::C_ExternCSystem; + + + // If the directory exists, add it. + if (const DirectoryEntry *DE = FM.getDirectory(MappedPath.str())) { + IncludeGroup[Group].push_back(DirectoryLookup(DE, Type, isUserSupplied, + 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(MappedPath.str())) { + if (const HeaderMap *HM = Headers.CreateHeaderMap(FE)) { + // It is a headermap, add it to the search path. + IncludeGroup[Group].push_back(DirectoryLookup(HM, Type,isUserSupplied)); + return; + } + } + } + + if (Verbose) + llvm::errs() << "ignoring nonexistent directory \"" + << MappedPath.str() << "\"\n"; +} + + +void InitHeaderSearch::AddDelimitedPaths(llvm::StringRef at) { + if (at.empty()) // Empty string should not add '.' path. + return; + + llvm::StringRef::size_type delim; + while ((delim = at.find(llvm::sys::PathSeparator)) != llvm::StringRef::npos) { + if (delim == 0) + AddPath(".", Angled, false, true, false); + else + AddPath(at.substr(0, delim), Angled, false, true, false); + at = at.substr(delim + 1); + } + + if (at.empty()) + AddPath(".", Angled, false, true, false); + else + AddPath(at, Angled, false, true, false); +} + +void InitHeaderSearch::AddGnuCPlusPlusIncludePaths(llvm::StringRef Base, + llvm::StringRef ArchDir, + llvm::StringRef Dir32, + llvm::StringRef Dir64, + const llvm::Triple &triple) { + // Add the base dir + AddPath(Base, System, true, false, 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, System, true, false, false); + else + AddPath(Base + "/" + ArchDir + "/" + Dir32, System, true, false, false); + + // Add the backward dir + AddPath(Base + "/backward", System, true, false, false); +} + +void InitHeaderSearch::AddMinGWCPlusPlusIncludePaths(llvm::StringRef Base, + llvm::StringRef Arch, + llvm::StringRef Version) { + AddPath(Base + "/" + Arch + "/" + Version + "/include", + System, true, false, false); + AddPath(Base + "/" + Arch + "/" + Version + "/include/c++", + System, true, false, false); + AddPath(Base + "/" + Arch + "/" + Version + "/include/c++/backward", + System, true, false, false); +} + + // FIXME: This probably should goto to some platform utils place. +#ifdef _MSC_VER + + // Read registry string. + // This also supports a means to look for high-versioned keys by use + // of a $VERSION placeholder in the key path. + // $VERSION in the key path is a placeholder for the version number, + // causing the highest value path to be searched for and used. + // I.e. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\VisualStudio\\$VERSION". + // There can be additional characters in the component. Only the numberic + // characters are compared. +static bool getSystemRegistryString(const char *keyPath, const char *valueName, + char *value, size_t maxLength) { + HKEY hRootKey = NULL; + HKEY hKey = NULL; + const char* subKey = NULL; + DWORD valueType; + DWORD valueSize = maxLength - 1; + long lResult; + bool returnValue = false; + if (strncmp(keyPath, "HKEY_CLASSES_ROOT\\", 18) == 0) { + hRootKey = HKEY_CLASSES_ROOT; + subKey = keyPath + 18; + } + else if (strncmp(keyPath, "HKEY_USERS\\", 11) == 0) { + hRootKey = HKEY_USERS; + subKey = keyPath + 11; + } + else if (strncmp(keyPath, "HKEY_LOCAL_MACHINE\\", 19) == 0) { + hRootKey = HKEY_LOCAL_MACHINE; + subKey = keyPath + 19; + } + else if (strncmp(keyPath, "HKEY_CURRENT_USER\\", 18) == 0) { + hRootKey = HKEY_CURRENT_USER; + subKey = keyPath + 18; + } + else + return(false); + const char *placeHolder = strstr(subKey, "$VERSION"); + char bestName[256]; + bestName[0] = '\0'; + // If we have a $VERSION placeholder, do the highest-version search. + if (placeHolder) { + const char *keyEnd = placeHolder - 1; + const char *nextKey = placeHolder; + // Find end of previous key. + while ((keyEnd > subKey) && (*keyEnd != '\\')) + keyEnd--; + // Find end of key containing $VERSION. + while (*nextKey && (*nextKey != '\\')) + nextKey++; + size_t partialKeyLength = keyEnd - subKey; + char partialKey[256]; + if (partialKeyLength > sizeof(partialKey)) + partialKeyLength = sizeof(partialKey); + strncpy(partialKey, subKey, partialKeyLength); + partialKey[partialKeyLength] = '\0'; + HKEY hTopKey = NULL; + lResult = RegOpenKeyEx(hRootKey, partialKey, 0, KEY_READ, &hTopKey); + if (lResult == ERROR_SUCCESS) { + char keyName[256]; + int bestIndex = -1; + double bestValue = 0.0; + DWORD index, size = sizeof(keyName) - 1; + for (index = 0; RegEnumKeyEx(hTopKey, index, keyName, &size, NULL, + NULL, NULL, NULL) == ERROR_SUCCESS; index++) { + const char *sp = keyName; + while (*sp && !isdigit(*sp)) + sp++; + if (!*sp) + continue; + const char *ep = sp + 1; + while (*ep && (isdigit(*ep) || (*ep == '.'))) + ep++; + char numBuf[32]; + strncpy(numBuf, sp, sizeof(numBuf) - 1); + numBuf[sizeof(numBuf) - 1] = '\0'; + double value = strtod(numBuf, NULL); + if (value > bestValue) { + bestIndex = (int)index; + bestValue = value; + strcpy(bestName, keyName); + } + size = sizeof(keyName) - 1; + } + // If we found the highest versioned key, open the key and get the value. + if (bestIndex != -1) { + // Append rest of key. + strncat(bestName, nextKey, sizeof(bestName) - 1); + bestName[sizeof(bestName) - 1] = '\0'; + // Open the chosen key path remainder. + lResult = RegOpenKeyEx(hTopKey, bestName, 0, KEY_READ, &hKey); + if (lResult == ERROR_SUCCESS) { + lResult = RegQueryValueEx(hKey, valueName, NULL, &valueType, + (LPBYTE)value, &valueSize); + if (lResult == ERROR_SUCCESS) + returnValue = true; + RegCloseKey(hKey); + } + } + RegCloseKey(hTopKey); + } + } + else { + lResult = RegOpenKeyEx(hRootKey, subKey, 0, KEY_READ, &hKey); + if (lResult == ERROR_SUCCESS) { + lResult = RegQueryValueEx(hKey, valueName, NULL, &valueType, + (LPBYTE)value, &valueSize); + if (lResult == ERROR_SUCCESS) + returnValue = true; + RegCloseKey(hKey); + } + } + return(returnValue); +} +#else // _MSC_VER + // Read registry string. +static bool getSystemRegistryString(const char*, const char*, char*, size_t) { + return(false); +} +#endif // _MSC_VER + + // Get Visual Studio installation directory. +static bool getVisualStudioDir(std::string &path) { + char vsIDEInstallDir[256]; + char vsExpressIDEInstallDir[256]; + // Try the Windows registry first. + bool hasVCDir = getSystemRegistryString( + "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\VisualStudio\\$VERSION", + "InstallDir", vsIDEInstallDir, sizeof(vsIDEInstallDir) - 1); + bool hasVCExpressDir = getSystemRegistryString( + "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\VCExpress\\$VERSION", + "InstallDir", vsExpressIDEInstallDir, sizeof(vsExpressIDEInstallDir) - 1); + // If we have both vc80 and vc90, pick version we were compiled with. + if (hasVCDir && vsIDEInstallDir[0]) { + char *p = (char*)strstr(vsIDEInstallDir, "\\Common7\\IDE"); + if (p) + *p = '\0'; + path = vsIDEInstallDir; + return(true); + } + else if (hasVCExpressDir && vsExpressIDEInstallDir[0]) { + char *p = (char*)strstr(vsExpressIDEInstallDir, "\\Common7\\IDE"); + if (p) + *p = '\0'; + path = vsExpressIDEInstallDir; + return(true); + } + else { + // Try the environment. + const char* vs100comntools = getenv("VS100COMNTOOLS"); + const char* vs90comntools = getenv("VS90COMNTOOLS"); + const char* vs80comntools = getenv("VS80COMNTOOLS"); + const char* vscomntools = NULL; + + // Try to find the version that we were compiled with + if(false) {} + #if (_MSC_VER >= 1600) // VC100 + else if(vs100comntools) { + vscomntools = vs100comntools; + } + #elif (_MSC_VER == 1500) // VC80 + else if(vs90comntools) { + vscomntools = vs90comntools; + } + #elif (_MSC_VER == 1400) // VC80 + else if(vs80comntools) { + vscomntools = vs80comntools; + } + #endif + // Otherwise find any version we can + else if (vs100comntools) + vscomntools = vs100comntools; + else if (vs90comntools) + vscomntools = vs90comntools; + else if (vs80comntools) + vscomntools = vs80comntools; + + if (vscomntools && *vscomntools) { + char *p = const_cast<char *>(strstr(vscomntools, "\\Common7\\Tools")); + if (p) + *p = '\0'; + path = vscomntools; + return(true); + } + else + return(false); + } + return(false); +} + + // Get Windows SDK installation directory. +static bool getWindowsSDKDir(std::string &path) { + char windowsSDKInstallDir[256]; + // Try the Windows registry. + bool hasSDKDir = getSystemRegistryString( + "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Microsoft SDKs\\Windows\\$VERSION", + "InstallationFolder", windowsSDKInstallDir, sizeof(windowsSDKInstallDir) - 1); + // If we have both vc80 and vc90, pick version we were compiled with. + if (hasSDKDir && windowsSDKInstallDir[0]) { + path = windowsSDKInstallDir; + return(true); + } + return(false); +} + +void InitHeaderSearch::AddDefaultCIncludePaths(const llvm::Triple &triple, + const HeaderSearchOptions &HSOpts) { + // FIXME: temporary hack: hard-coded paths. + AddPath("/usr/local/include", System, true, false, false); + + // 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. + llvm::sys::Path P(HSOpts.ResourceDir); + P.appendComponent("include"); + AddPath(P.str(), System, false, false, false, /*IgnoreSysRoot=*/ true); + } + + // Add dirs specified via 'configure --with-c-include-dirs'. + llvm::StringRef CIncludeDirs(C_INCLUDE_DIRS); + if (CIncludeDirs != "") { + llvm::SmallVector<llvm::StringRef, 5> dirs; + CIncludeDirs.split(dirs, ":"); + for (llvm::SmallVectorImpl<llvm::StringRef>::iterator i = dirs.begin(); + i != dirs.end(); + ++i) + AddPath(*i, System, false, false, false); + return; + } + llvm::Triple::OSType os = triple.getOS(); + switch (os) { + case llvm::Triple::Win32: + { + std::string VSDir; + std::string WindowsSDKDir; + if (getVisualStudioDir(VSDir)) { + AddPath(VSDir + "\\VC\\include", System, false, false, false); + if (getWindowsSDKDir(WindowsSDKDir)) + AddPath(WindowsSDKDir, System, false, false, false); + else + AddPath(VSDir + "\\VC\\PlatformSDK\\Include", + System, false, false, false); + } + else { + // Default install paths. + AddPath("C:/Program Files/Microsoft Visual Studio 10.0/VC/include", + System, false, false, false); + AddPath("C:/Program Files/Microsoft Visual Studio 9.0/VC/include", + System, false, false, false); + AddPath( + "C:/Program Files/Microsoft Visual Studio 9.0/VC/PlatformSDK/Include", + System, false, false, false); + AddPath("C:/Program Files/Microsoft Visual Studio 8/VC/include", + System, false, false, false); + AddPath( + "C:/Program Files/Microsoft Visual Studio 8/VC/PlatformSDK/Include", + System, false, false, false); + // For some clang developers. + AddPath("G:/Program Files/Microsoft Visual Studio 9.0/VC/include", + System, false, false, false); + AddPath( + "G:/Program Files/Microsoft Visual Studio 9.0/VC/PlatformSDK/Include", + System, false, false, false); + } + } + break; + case llvm::Triple::Haiku: + AddPath("/boot/common/include", System, true, false, false); + AddPath("/boot/develop/headers/os", System, true, false, false); + AddPath("/boot/develop/headers/os/app", System, true, false, false); + AddPath("/boot/develop/headers/os/arch", System, true, false, false); + AddPath("/boot/develop/headers/os/device", System, true, false, false); + AddPath("/boot/develop/headers/os/drivers", System, true, false, false); + AddPath("/boot/develop/headers/os/game", System, true, false, false); + AddPath("/boot/develop/headers/os/interface", System, true, false, false); + AddPath("/boot/develop/headers/os/kernel", System, true, false, false); + AddPath("/boot/develop/headers/os/locale", System, true, false, false); + AddPath("/boot/develop/headers/os/mail", System, true, false, false); + AddPath("/boot/develop/headers/os/media", System, true, false, false); + AddPath("/boot/develop/headers/os/midi", System, true, false, false); + AddPath("/boot/develop/headers/os/midi2", System, true, false, false); + AddPath("/boot/develop/headers/os/net", System, true, false, false); + AddPath("/boot/develop/headers/os/storage", System, true, false, false); + AddPath("/boot/develop/headers/os/support", System, true, false, false); + AddPath("/boot/develop/headers/os/translation", + System, true, false, false); + AddPath("/boot/develop/headers/os/add-ons/graphics", + System, true, false, false); + AddPath("/boot/develop/headers/os/add-ons/input_server", + System, true, false, false); + AddPath("/boot/develop/headers/os/add-ons/screen_saver", + System, true, false, false); + AddPath("/boot/develop/headers/os/add-ons/tracker", + System, true, false, false); + AddPath("/boot/develop/headers/os/be_apps/Deskbar", + System, true, false, false); + AddPath("/boot/develop/headers/os/be_apps/NetPositive", + System, true, false, false); + AddPath("/boot/develop/headers/os/be_apps/Tracker", + System, true, false, false); + AddPath("/boot/develop/headers/cpp", System, true, false, false); + AddPath("/boot/develop/headers/cpp/i586-pc-haiku", + System, true, false, false); + AddPath("/boot/develop/headers/3rdparty", System, true, false, false); + AddPath("/boot/develop/headers/bsd", System, true, false, false); + AddPath("/boot/develop/headers/glibc", System, true, false, false); + AddPath("/boot/develop/headers/posix", System, true, false, false); + AddPath("/boot/develop/headers", System, true, false, false); + break; + case llvm::Triple::MinGW64: + case llvm::Triple::MinGW32: + AddPath("c:/mingw/include", System, true, false, false); + break; + default: + break; + } + + AddPath("/usr/include", System, false, false, false); +} + +void InitHeaderSearch:: +AddDefaultCPlusPlusIncludePaths(const llvm::Triple &triple) { + llvm::Triple::OSType os = triple.getOS(); + llvm::StringRef CxxIncludeRoot(CXX_INCLUDE_ROOT); + if (CxxIncludeRoot != "") { + llvm::StringRef CxxIncludeArch(CXX_INCLUDE_ARCH); + if (CxxIncludeArch == "") + AddGnuCPlusPlusIncludePaths(CxxIncludeRoot, triple.str().c_str(), + CXX_INCLUDE_32BIT_DIR, CXX_INCLUDE_64BIT_DIR, + triple); + else + AddGnuCPlusPlusIncludePaths(CxxIncludeRoot, CXX_INCLUDE_ARCH, + CXX_INCLUDE_32BIT_DIR, CXX_INCLUDE_64BIT_DIR, + triple); + return; + } + // FIXME: temporary hack: hard-coded paths. + switch (os) { + case llvm::Triple::Cygwin: + AddPath("/lib/gcc/i686-pc-cygwin/3.4.4/include", + System, true, false, false); + AddPath("/lib/gcc/i686-pc-cygwin/3.4.4/include/c++", + System, true, false, false); + break; + case llvm::Triple::MinGW64: + // Try gcc 4.4.0 + AddMinGWCPlusPlusIncludePaths("c:/MinGW/lib/gcc", "mingw64", "4.4.0"); + // Try gcc 4.3.0 + AddMinGWCPlusPlusIncludePaths("c:/MinGW/lib/gcc", "mingw64", "4.3.0"); + // Fall through. + case llvm::Triple::MinGW32: + // Try gcc 4.4.0 + AddMinGWCPlusPlusIncludePaths("c:/MinGW/lib/gcc", "mingw32", "4.4.0"); + // Try gcc 4.3.0 + AddMinGWCPlusPlusIncludePaths("c:/MinGW/lib/gcc", "mingw32", "4.3.0"); + break; + case llvm::Triple::Darwin: + 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::DragonFly: + AddPath("/usr/include/c++/4.1", System, true, false, false); + break; + case llvm::Triple::Linux: + //===------------------------------------------------------------------===// + // Debian based distros. + // Note: these distros symlink /usr/include/c++/X.Y.Z -> X.Y + //===------------------------------------------------------------------===// + // Ubuntu 10.04 LTS "Lucid Lynx" -- gcc-4.4.3 + // Ubuntu 9.10 "Karmic Koala" -- gcc-4.4.1 + // Debian 6.0 "squeeze" -- gcc-4.4.2 + AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4", + "x86_64-linux-gnu", "32", "", triple); + AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4", + "i486-linux-gnu", "", "64", triple); + // Ubuntu 9.04 "Jaunty Jackalope" -- gcc-4.3.3 + // Ubuntu 8.10 "Intrepid Ibex" -- gcc-4.3.2 + // Debian 5.0 "lenny" -- gcc-4.3.2 + AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.3", + "x86_64-linux-gnu", "32", "", triple); + AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.3", + "i486-linux-gnu", "", "64", triple); + // Ubuntu 8.04.4 LTS "Hardy Heron" -- gcc-4.2.4 + // Ubuntu 8.04.[0-3] LTS "Hardy Heron" -- gcc-4.2.3 + AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.2", + "x86_64-linux-gnu", "32", "", triple); + AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.2", + "i486-linux-gnu", "", "64", triple); + // Ubuntu 7.10 "Gutsy Gibbon" -- gcc-4.1.3 + AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.1", + "x86_64-linux-gnu", "32", "", triple); + AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.1", + "i486-linux-gnu", "", "64", triple); + + //===------------------------------------------------------------------===// + // Redhat based distros. + //===------------------------------------------------------------------===// + // Fedora 13 + // Fedora 12 + AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4.3", + "x86_64-redhat-linux", "32", "", triple); + AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4.3", + "i686-redhat-linux","", "", triple); + // Fedora 12 (pre-FEB-2010) + AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4.2", + "x86_64-redhat-linux", "32", "", triple); + AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4.2", + "i686-redhat-linux","", "", triple); + // Fedora 11 + AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4.1", + "x86_64-redhat-linux", "32", "", triple); + AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4.1", + "i586-redhat-linux","", "", triple); + // Fedora 10 + AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.3.2", + "x86_64-redhat-linux", "32", "", triple); + AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.3.2", + "i386-redhat-linux","", "", triple); + // Fedora 9 + AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.3.0", + "x86_64-redhat-linux", "32", "", triple); + AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.3.0", + "i386-redhat-linux", "", "", triple); + // Fedora 8 + AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.1.2", + "x86_64-redhat-linux", "", "", triple); + AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.1.2", + "i386-redhat-linux", "", "", triple); + + //===------------------------------------------------------------------===// + + // Exherbo (2010-01-25) + AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4.3", + "x86_64-pc-linux-gnu", "32", "", triple); + AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4.3", + "i686-pc-linux-gnu", "", "", triple); + + // openSUSE 11.1 32 bit + AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.3", + "i586-suse-linux", "", "", triple); + // openSUSE 11.1 64 bit + AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.3", + "x86_64-suse-linux", "32", "", triple); + // openSUSE 11.2 + AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4", + "i586-suse-linux", "", "", triple); + AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4", + "x86_64-suse-linux", "", "", triple); + // Arch Linux 2008-06-24 + AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.3.1", + "i686-pc-linux-gnu", "", "", triple); + AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.3.1", + "x86_64-unknown-linux-gnu", "", "", triple); + // Gentoo x86 2009.1 stable + AddGnuCPlusPlusIncludePaths( + "/usr/lib/gcc/i686-pc-linux-gnu/4.3.4/include/g++-v4", + "i686-pc-linux-gnu", "", "", triple); + // Gentoo x86 2009.0 stable + AddGnuCPlusPlusIncludePaths( + "/usr/lib/gcc/i686-pc-linux-gnu/4.3.2/include/g++-v4", + "i686-pc-linux-gnu", "", "", triple); + // Gentoo x86 2008.0 stable + AddGnuCPlusPlusIncludePaths( + "/usr/lib/gcc/i686-pc-linux-gnu/4.1.2/include/g++-v4", + "i686-pc-linux-gnu", "", "", triple); + // Gentoo amd64 stable + AddGnuCPlusPlusIncludePaths( + "/usr/lib/gcc/x86_64-pc-linux-gnu/4.1.2/include/g++-v4", + "i686-pc-linux-gnu", "", "", triple); + + // Gentoo amd64 gcc 4.3.2 + AddGnuCPlusPlusIncludePaths( + "/usr/lib/gcc/x86_64-pc-linux-gnu/4.3.2/include/g++-v4", + "x86_64-pc-linux-gnu", "", "", triple); + + // Gentoo amd64 gcc 4.4.3 + AddGnuCPlusPlusIncludePaths( + "/usr/lib/gcc/x86_64-pc-linux-gnu/4.4.3/include/g++-v4", + "x86_64-pc-linux-gnu", "32", "", triple); + + break; + case llvm::Triple::FreeBSD: + // FreeBSD 8.0 + // FreeBSD 7.3 + AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.2", "", "", "", triple); + break; + case llvm::Triple::Solaris: + // Solaris - Fall though.. + case llvm::Triple::AuroraUX: + // AuroraUX + AddGnuCPlusPlusIncludePaths("/opt/gcc4/include/c++/4.2.4", + "i386-pc-solaris2.11", "", "", triple); + break; + default: + break; + } +} + +void InitHeaderSearch::AddDefaultSystemIncludePaths(const LangOptions &Lang, + const llvm::Triple &triple, + const HeaderSearchOptions &HSOpts) { + if (Lang.CPlusPlus && HSOpts.UseStandardCXXIncludes) + AddDefaultCPlusPlusIncludePaths(triple); + + AddDefaultCIncludePaths(triple, HSOpts); + + // Add the default framework include paths on Darwin. + if (triple.getOS() == llvm::Triple::Darwin) { + AddPath("/System/Library/Frameworks", System, true, false, true); + AddPath("/Library/Frameworks", System, true, false, true); + } +} + +/// RemoveDuplicates - If there are duplicate directory entries in the specified +/// search list, remove the later (dead) ones. +static void RemoveDuplicates(std::vector<DirectoryLookup> &SearchList, + bool Verbose) { + llvm::SmallPtrSet<const DirectoryEntry *, 8> SeenDirs; + llvm::SmallPtrSet<const DirectoryEntry *, 8> SeenFrameworkDirs; + llvm::SmallPtrSet<const HeaderMap *, 8> SeenHeaderMaps; + for (unsigned i = 0; 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())) + 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())) + 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())) + 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"; + } + + // This is reached if the current entry is a duplicate. Remove the + // DirToRemove (usually the current dir). + SearchList.erase(SearchList.begin()+DirToRemove); + --i; + } +} + + +void InitHeaderSearch::Realize() { + // Concatenate ANGLE+SYSTEM+AFTER chains together into SearchList. + std::vector<DirectoryLookup> SearchList; + SearchList = IncludeGroup[Angled]; + SearchList.insert(SearchList.end(), IncludeGroup[System].begin(), + IncludeGroup[System].end()); + SearchList.insert(SearchList.end(), IncludeGroup[After].begin(), + IncludeGroup[After].end()); + RemoveDuplicates(SearchList, Verbose); + RemoveDuplicates(IncludeGroup[Quoted], Verbose); + + // Prepend QUOTED list on the search list. + SearchList.insert(SearchList.begin(), IncludeGroup[Quoted].begin(), + IncludeGroup[Quoted].end()); + + + bool DontSearchCurDir = false; // TODO: set to true if -I- is set? + Headers.SetSearchPaths(SearchList, IncludeGroup[Quoted].size(), + DontSearchCurDir); + + // If verbose, print the list of directories that will be searched. + if (Verbose) { + llvm::errs() << "#include \"...\" search starts here:\n"; + unsigned QuotedIdx = IncludeGroup[Quoted].size(); + for (unsigned i = 0, e = SearchList.size(); i != e; ++i) { + if (i == QuotedIdx) + 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]; + Init.AddPath(E.Path, E.Group, false, E.IsUserSupplied, E.IsFramework, + false); + } + + // Add entries from CPATH and friends. + Init.AddDelimitedPaths(HSOpts.EnvIncPath); + if (Lang.CPlusPlus && Lang.ObjC1) + Init.AddDelimitedPaths(HSOpts.ObjCXXEnvIncPath); + else if (Lang.CPlusPlus) + Init.AddDelimitedPaths(HSOpts.CXXEnvIncPath); + else if (Lang.ObjC1) + Init.AddDelimitedPaths(HSOpts.ObjCEnvIncPath); + else + Init.AddDelimitedPaths(HSOpts.CEnvIncPath); + + if (HSOpts.UseStandardIncludes) + Init.AddDefaultSystemIncludePaths(Lang, Triple, HSOpts); + + Init.Realize(); +} |
