1 files changed, 74 insertions, 0 deletions
diff --git a/include/clang/Frontend/InitHeaderSearch.h b/include/clang/Frontend/InitHeaderSearch.h
new file mode 100644
index 0000000..5151666
--- /dev/null
+++ b/include/clang/Frontend/InitHeaderSearch.h
@@ -0,0 +1,74 @@
+//===--- InitHeaderSearch.h - Initialize header search paths ----*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines the InitHeaderSearch class.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_FRONTEND_INIT_HEADER_SEARCH_H_
+#define LLVM_CLANG_FRONTEND_INIT_HEADER_SEARCH_H_
+
+#include <string>
+#include <vector>
+
+#include "clang/Lex/DirectoryLookup.h"
+
+namespace clang {
+
+class HeaderSearch;
+class LangOptions;
+
+/// 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::IncludeDirGroup - Identifies the several search path
+  ///  lists stored internally.
+  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.
+  };
+
+  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 std::string &Path, IncludeDirGroup Group,
+               bool isCXXAware, bool isUserSupplied,
+               bool isFramework, bool IgnoreSysRoot = false);
+
+  /// AddEnvVarPaths - Add a list of paths from an environment variable to a
+  ///  header search list.
+  void AddEnvVarPaths(const char *Name);
+
+  /// AddDefaultEnvVarPaths - Adds list of paths from default environment
+  ///  variables such as CPATH.
+  void AddDefaultEnvVarPaths(const LangOptions &Lang);
+
+  /// AddDefaultSystemIncludePaths - Adds the default system include paths so
+  ///  that e.g. stdio.h is found.
+  void AddDefaultSystemIncludePaths(const LangOptions &Lang);
+
+  /// Realize - Merges all search path lists into one list and send it to
+  /// HeaderSearch.
+  void Realize();
+};
+
+} // end namespace clang
+
+#endif