1 //===--- HeaderSearchOptions.h ----------------------------------*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 #ifndef LLVM_CLANG_FRONTEND_HEADERSEARCHOPTIONS_H 11 #define LLVM_CLANG_FRONTEND_HEADERSEARCHOPTIONS_H 12 13 #include "llvm/ADT/StringRef.h" 14 #include <vector> 15 16 namespace clang { 17 18 namespace frontend { 19 /// IncludeDirGroup - Identifiers the group a include entry belongs to, which 20 /// represents its relative positive in the search list. A #include of a "" 21 /// path starts at the -iquote group, then searches the Angled group, then 22 /// searches the system group, etc. 23 enum IncludeDirGroup { 24 Quoted = 0, ///< '#include ""' paths, added by'gcc -iquote'. 25 Angled, ///< Paths for '#include <>' added by '-I'. 26 IndexHeaderMap, ///< Like Angled, but marks header maps used when 27 /// building frameworks. 28 System, ///< Like Angled, but marks system directories. 29 CSystem, ///< Like System, but only used for C. 30 CXXSystem, ///< Like System, but only used for C++. 31 ObjCSystem, ///< Like System, but only used for ObjC. 32 ObjCXXSystem, ///< Like System, but only used for ObjC++. 33 After ///< Like System, but searched after the system directories. 34 }; 35 } 36 37 /// HeaderSearchOptions - Helper class for storing options related to the 38 /// initialization of the HeaderSearch object. 39 class HeaderSearchOptions { 40 public: 41 struct Entry { 42 std::string Path; 43 frontend::IncludeDirGroup Group; 44 unsigned IsUserSupplied : 1; 45 unsigned IsFramework : 1; 46 47 /// IgnoreSysRoot - This is false if an absolute path should be treated 48 /// relative to the sysroot, or true if it should always be the absolute 49 /// path. 50 unsigned IgnoreSysRoot : 1; 51 52 Entry(StringRef path, frontend::IncludeDirGroup group, 53 bool isUserSupplied, bool isFramework, bool ignoreSysRoot) 54 : Path(path), Group(group), IsUserSupplied(isUserSupplied), 55 IsFramework(isFramework), IgnoreSysRoot(ignoreSysRoot) {} 56 }; 57 58 /// If non-empty, the directory to use as a "virtual system root" for include 59 /// paths. 60 std::string Sysroot; 61 62 /// User specified include entries. 63 std::vector<Entry> UserEntries; 64 65 /// The directory which holds the compiler resource files (builtin includes, 66 /// etc.). 67 std::string ResourceDir; 68 69 /// \brief The directory used for the module cache. 70 std::string ModuleCachePath; 71 72 /// \brief Whether we should disable the use of the hash string within the 73 /// module cache. 74 /// 75 /// Note: Only used for testing! 76 unsigned DisableModuleHash : 1; 77 78 /// Include the compiler builtin includes. 79 unsigned UseBuiltinIncludes : 1; 80 81 /// Include the system standard include search directories. 82 unsigned UseStandardSystemIncludes : 1; 83 84 /// Include the system standard C++ library include search directories. 85 unsigned UseStandardCXXIncludes : 1; 86 87 /// Use libc++ instead of the default libstdc++. 88 unsigned UseLibcxx : 1; 89 90 /// Whether header search information should be output as for -v. 91 unsigned Verbose : 1; 92 93 public: 94 HeaderSearchOptions(StringRef _Sysroot = "/") 95 : Sysroot(_Sysroot), DisableModuleHash(0), UseBuiltinIncludes(true), 96 UseStandardSystemIncludes(true), UseStandardCXXIncludes(true), 97 UseLibcxx(false), Verbose(false) {} 98 99 /// AddPath - Add the \arg Path path to the specified \arg Group list. 100 void AddPath(StringRef Path, frontend::IncludeDirGroup Group, 101 bool IsUserSupplied, bool IsFramework, bool IgnoreSysRoot) { 102 UserEntries.push_back(Entry(Path, Group, IsUserSupplied, IsFramework, 103 IgnoreSysRoot)); 104 } 105 }; 106 107 } // end namespace clang 108 109 #endif 110
