37   using llvm::sys::path::is_separator;
38   using llvm::sys::path::Style;
61   StringRef find_first_component(StringRef path, Style style) {  in find_first_component()  argument
68     if (path.empty())  in find_first_component()
69       return path;  in find_first_component()
73       if (path.size() >= 2 &&  in find_first_component()
74           std::isalpha(static_cast<unsigned char>(path[0])) && path[1] == ':')  in find_first_component()
75         return path.substr(0, 2);  in find_first_component()
79     if ((path.size() > 2) && is_separator(path[0], style) &&  in find_first_component()
80         path[0] == path[1] && !is_separator(path[2], style)) {  in find_first_component()
82       size_t end = path.find_first_of(separators(style), 2);  in find_first_component()
83       return path.substr(0, end);  in find_first_component()
87     if (is_separator(path[0], style))  in find_first_component()
88       return path.substr(0, 1);  in find_first_component()
91     size_t end = path.find_first_of(separators(style));  in find_first_component()
92     return path.substr(0, end);  in find_first_component()
139   size_t parent_path_end(StringRef path, Style style) {  in parent_path_end()  argument
140     size_t end_pos = filename_pos(path, style);  in parent_path_end()
143         path.size() > 0 && is_separator(path[end_pos], style);  in parent_path_end()
146     size_t root_dir_pos = root_dir_start(path, style);  in parent_path_end()
149            is_separator(path[end_pos - 1], style))  in parent_path_end()
224 namespace path {  namespace
226 const_iterator begin(StringRef path, Style style) {  in begin()  argument
228   i.Path      = path;  in begin()
229   i.Component = find_first_component(path, style);  in begin()
235 const_iterator end(StringRef path) {  in end()  argument
237   i.Path      = path;  in end()
238   i.Position  = path.size();  in end()
348 StringRef root_path(StringRef path, Style style) {  in root_path()  argument
349   const_iterator b = begin(path, style), pos = b, e = end(path);  in root_path()
358         return path.substr(0, b->size() + pos->size());  in root_path()
373 StringRef root_name(StringRef path, Style style) {  in root_name()  argument
374   const_iterator b = begin(path, style), e = end(path);  in root_name()
390 StringRef root_directory(StringRef path, Style style) {  in root_directory()  argument
391   const_iterator b = begin(path, style), pos = b, e = end(path);  in root_directory()
413 StringRef relative_path(StringRef path, Style style) {  in relative_path()  argument
414   StringRef root = root_path(path, style);  in relative_path()
415   return path.substr(root.size());  in relative_path()
418 void append(SmallVectorImpl<char> &path, Style style, const Twine &a,  in append()  argument
433         !path.empty() && is_separator(path[path.size() - 1], style);  in append()
440       path.append(c.begin(), c.end());  in append()
447         !(path.empty() || has_root_name(component, style))) {  in append()
449       path.push_back(preferred_separator(style));  in append()
452     path.append(component.begin(), component.end());  in append()
456 void append(SmallVectorImpl<char> &path, const Twine &a, const Twine &b,  in append()  argument
458   append(path, Style::native, a, b, c, d);  in append()
461 void append(SmallVectorImpl<char> &path, const_iterator begin,  in append()  argument
464     path::append(path, style, *begin);  in append()
467 StringRef parent_path(StringRef path, Style style) {  in parent_path()  argument
468   size_t end_pos = parent_path_end(path, style);  in parent_path()
471   return path.substr(0, end_pos);  in parent_path()
474 void remove_filename(SmallVectorImpl<char> &path, Style style) {  in remove_filename()  argument
475   size_t end_pos = parent_path_end(StringRef(path.begin(), path.size()), style);  in remove_filename()
477     path.truncate(end_pos);  in remove_filename()
480 void replace_extension(SmallVectorImpl<char> &path, const Twine &extension,  in replace_extension()  argument
482   StringRef p(path.begin(), path.size());  in replace_extension()
489     path.truncate(pos);  in replace_extension()
493     path.push_back('.');  in replace_extension()
496   path.append(ext.begin(), ext.end());  in replace_extension()
540 void native(const Twine &path, SmallVectorImpl<char> &result, Style style) {  in native()  argument
541   assert((!path.isSingleStringRef() ||  in native()
542           path.getSingleStringRef().data() != result.data()) &&  in native()
546   path.toVector(result);  in native()
568 std::string convert_to_slash(StringRef path, Style style) {  in convert_to_slash()  argument
570     return std::string(path);  in convert_to_slash()
572   std::string s = path.str();  in convert_to_slash()
577 StringRef filename(StringRef path, Style style) { return *rbegin(path, style); }  in filename()  argument
579 StringRef stem(StringRef path, Style style) {  in stem()  argument
580   StringRef fname = filename(path, style);  in stem()
590 StringRef extension(StringRef path, Style style) {  in extension()  argument
591   StringRef fname = filename(path, style);  in extension()
615 bool has_root_name(const Twine &path, Style style) {  in has_root_name()  argument
617   StringRef p = path.toStringRef(path_storage);  in has_root_name()
622 bool has_root_directory(const Twine &path, Style style) {  in has_root_directory()  argument
624   StringRef p = path.toStringRef(path_storage);  in has_root_directory()
629 bool has_root_path(const Twine &path, Style style) {  in has_root_path()  argument
631   StringRef p = path.toStringRef(path_storage);  in has_root_path()
636 bool has_relative_path(const Twine &path, Style style) {  in has_relative_path()  argument
638   StringRef p = path.toStringRef(path_storage);  in has_relative_path()
643 bool has_filename(const Twine &path, Style style) {  in has_filename()  argument
645   StringRef p = path.toStringRef(path_storage);  in has_filename()
650 bool has_parent_path(const Twine &path, Style style) {  in has_parent_path()  argument
652   StringRef p = path.toStringRef(path_storage);  in has_parent_path()
657 bool has_stem(const Twine &path, Style style) {  in has_stem()  argument
659   StringRef p = path.toStringRef(path_storage);  in has_stem()
664 bool has_extension(const Twine &path, Style style) {  in has_extension()  argument
666   StringRef p = path.toStringRef(path_storage);  in has_extension()
671 bool is_absolute(const Twine &path, Style style) {  in is_absolute()  argument
673   StringRef p = path.toStringRef(path_storage);  in is_absolute()
681 bool is_absolute_gnu(const Twine &path, Style style) {  in is_absolute_gnu()  argument
683   StringRef p = path.toStringRef(path_storage);  in is_absolute_gnu()
699 bool is_relative(const Twine &path, Style style) {  in is_relative()  argument
700   return !is_absolute(path, style);  in is_relative()
723   StringRef root = path::root_path(remaining, style);  in remove_dots()
803     if (!sys::path::is_absolute(Twine(ModelStorage))) {  in createUniquePath()
805       sys::path::system_temp_directory(true, TDir);  in createUniquePath()
806       sys::path::append(TDir, Twine(ModelStorage));  in createUniquePath()
907                    SmallVectorImpl<char> &path) {  in make_absolute()  argument
908   StringRef p(path.data(), path.size());  in make_absolute()
910   bool rootDirectory = path::has_root_directory(p);  in make_absolute()
911   bool rootName = path::has_root_name(p);  in make_absolute()
924     path::append(current_dir, p);  in make_absolute()
926     path.swap(current_dir);  in make_absolute()
931     StringRef cdrn = path::root_name(current_dir);  in make_absolute()
933     path::append(curDirRootName, p);  in make_absolute()
935     path.swap(curDirRootName);  in make_absolute()
940     StringRef pRootName      = path::root_name(p);  in make_absolute()
941     StringRef bRootDirectory = path::root_directory(current_dir);  in make_absolute()
942     StringRef bRelativePath  = path::relative_path(current_dir);  in make_absolute()
943     StringRef pRelativePath  = path::relative_path(p);  in make_absolute()
946     path::append(res, pRootName, bRootDirectory, bRelativePath, pRelativePath);  in make_absolute()
947     path.swap(res);  in make_absolute()
955 std::error_code make_absolute(SmallVectorImpl<char> &path) {  in make_absolute()  argument
956   if (path::is_absolute(path))  in make_absolute()
963   make_absolute(current_dir, path);  in make_absolute()
981   StringRef Parent = path::parent_path(P);  in create_directories()
1096 std::error_code is_directory(const Twine &path, bool &result) {  in is_directory()  argument
1098   if (std::error_code ec = status(path, st))  in is_directory()
1108 std::error_code is_regular_file(const Twine &path, bool &result) {  in is_regular_file()  argument
1110   if (std::error_code ec = status(path, st))  in is_regular_file()
1120 std::error_code is_symlink_file(const Twine &path, bool &result) {  in is_symlink_file()  argument
1122   if (std::error_code ec = status(path, st, false))  in is_symlink_file()
1144   SmallString<128> PathStr = path::parent_path(Path);  in replace_filename()
1145   path::append(PathStr, Filename);  in replace_filename()
1213     return sys::path::stem(Argv0).str();  in getMainExecutable()