Update clang to r89205.

1 files changed, 87 insertions, 0 deletions

diff --git a/include/clang/Frontend/HeaderSearchOptions.h b/include/clang/Frontend/HeaderSearchOptions.h
new file mode 100644
index 0000000..2edc7e1
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+++ b/include/clang/Frontend/HeaderSearchOptions.h
@@ -0,0 +1,87 @@
+//===--- HeaderSearchOptions.h ----------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_FRONTEND_HEADERSEARCHOPTIONS_H
+#define LLVM_CLANG_FRONTEND_HEADERSEARCHOPTIONS_H
+
+#include "llvm/ADT/StringRef.h"
+#include <vector>
+
+namespace clang {
+
+namespace frontend {
+  /// IncludeDirGroup - Identifiers the group a include entry belongs to, which
+  /// represents its relative positive in the search list.
+  enum IncludeDirGroup {
+    Quoted = 0,     ///< `#include ""` paths. Thing `gcc -iquote`.
+    Angled,         ///< Paths for both `#include ""` and `#include <>`. (`-I`)
+    System,         ///< Like Angled, but marks system directories.
+    After           ///< Like System, but searched after the system directories.
+  };
+}
+
+/// HeaderSearchOptions - Helper class for storing options related to the
+/// initialization of the HeaderSearch object.
+class HeaderSearchOptions {
+public:
+  struct Entry {
+    std::string Path;
+    frontend::IncludeDirGroup Group;
+    unsigned IsUserSupplied : 1;
+    unsigned IsFramework : 1;
+
+    Entry(llvm::StringRef _Path, frontend::IncludeDirGroup _Group,
+          bool _IsUserSupplied, bool _IsFramework)
+      : Path(_Path), Group(_Group), IsUserSupplied(_IsUserSupplied),
+        IsFramework(_IsFramework) {}
+  };
+
+  /// If non-empty, the directory to use as a "virtual system root" for include
+  /// paths.
+  std::string Sysroot;
+
+  /// User specified include entries.
+  std::vector<Entry> UserEntries;
+
+  /// A (system-path) delimited list of include paths to be added from the
+  /// environment following the user specified includes (but prior to builtin
+  /// and standard includes). This is parsed in the same manner as the CPATH
+  /// environment variable for gcc.
+  std::string EnvIncPath;
+
+  /// Per-language environmental include paths, see \see EnvIncPath.
+  std::string CEnvIncPath;
+  std::string ObjCEnvIncPath;
+  std::string CXXEnvIncPath;
+  std::string ObjCXXEnvIncPath;
+
+  /// If non-empty, the path to the compiler builtin include directory, which
+  /// will be searched following the user and environment includes.
+  std::string BuiltinIncludePath;
+
+  /// Include the system standard include search directories.
+  unsigned UseStandardIncludes : 1;
+
+  /// Whether header search information should be output as for -v.
+  unsigned Verbose : 1;
+
+public:
+  HeaderSearchOptions(llvm::StringRef _Sysroot = "")
+    : Sysroot(_Sysroot), UseStandardIncludes(true) {}
+
+  /// AddPath - Add the \arg Path path to the specified \arg Group list.
+  void AddPath(llvm::StringRef Path, frontend::IncludeDirGroup Group,
+               bool IsUserSupplied, bool IsFramework) {
+    UserEntries.push_back(Entry(Path, Group, IsUserSupplied, IsFramework));
+  }
+};
+
+} // end namespace clang
+
+#endif