X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FSupport%2FPath.h;h=955cc991d9b7ed01b2b5e6ab3cdf388a4b1f06c7;hb=27fff2c5ff6be081149b7e72ff8e667cb423be7d;hp=f7dd1fc1208ba752bc574c1bf20a5acb6a00c2cf;hpb=b7faac8a2e320b0f357d82833a8bb9f67b869565;p=oota-llvm.git

diff --git a/include/llvm/Support/Path.h b/include/llvm/Support/Path.h
index f7dd1fc1208..955cc991d9b 100644
--- a/include/llvm/Support/Path.h
+++ b/include/llvm/Support/Path.h
@@ -216,7 +216,7 @@ StringRef root_name(StringRef path);
 /// @result The root directory of \a path if it has one, otherwise
 ///               "".
 StringRef root_directory(StringRef path);
-  
+
 /// @brief Get root path.
 ///
 /// Equivalent to root_name + root_directory.
@@ -308,7 +308,7 @@ bool is_separator(char value);
 /// @result StringRef of the preferred separator, null-terminated.
 StringRef get_separator();
 
-/// @brief Get the typical temporary directory for the system, e.g., 
+/// @brief Get the typical temporary directory for the system, e.g.,
 /// "/var/tmp" or "C:/TEMP"
 ///
 /// @param erasedOnReboot Whether to favor a path that is erased on reboot
@@ -325,6 +325,22 @@ void system_temp_directory(bool erasedOnReboot, SmallVectorImpl<char> &result);
 /// @result True if a home directory is set, false otherwise.
 bool home_directory(SmallVectorImpl<char> &result);
 
+/// @brief Get the user's cache directory.
+///
+/// Expect the resulting path to be a directory shared with other
+/// applications/services used by the user. Params \p Path1 to \p Path3 can be
+/// used to append additional directory names to the resulting path. Recommended
+/// pattern is <user_cache_directory>/<vendor>/<application>.
+///
+/// @param Result Holds the resulting path.
+/// @param Path1 Additional path to be appended to the user's cache directory
+/// path. "" can be used to append nothing.
+/// @param Path2 Second additional path to be appended.
+/// @param Path3 Third additional path to be appended.
+/// @result True if a cache directory path is set, false otherwise.
+bool user_cache_directory(SmallVectorImpl<char> &Result, const Twine &Path1,
+                          const Twine &Path2 = "", const Twine &Path3 = "");
+
 /// @brief Has root name?
 ///
 /// root_name != ""
@@ -401,6 +417,19 @@ bool is_absolute(const Twine &path);
 /// @result True if the path is relative, false if it is not.
 bool is_relative(const Twine &path);
 
+/// @brief Remove redundant leading "./" pieces and consecutive separators.
+///
+/// @param path Input path.
+/// @result The cleaned-up \a path.
+StringRef remove_leading_dotslash(StringRef path);
+
+/// @brief In-place remove any './' and optionally '../' components from a path.
+///
+/// @param path processed path
+/// @param remove_dot_dot specify if '../' should be removed
+/// @result True if path was changed
+bool remove_dots(SmallVectorImpl<char> &path, bool remove_dot_dot = false);
+
 } // end namespace path
 } // end namespace sys
 } // end namespace llvm