37   using llvm::sys::path::is_separator;
38   using llvm::sys::path::Style;
60   StringRef find_first_component(StringRef path, Style style) {  in find_first_component()  argument
67     if (path.empty())  in find_first_component()
68       return path;  in find_first_component()
72       if (path.size() >= 2 &&  in find_first_component()
73           std::isalpha(static_cast<unsigned char>(path[0])) && path[1] == ':')  in find_first_component()
74         return path.substr(0, 2);  in find_first_component()
78     if ((path.size() > 2) && is_separator(path[0], style) &&  in find_first_component()
79         path[0] == path[1] && !is_separator(path[2], style)) {  in find_first_component()
81       size_t end = path.find_first_of(separators(style), 2);  in find_first_component()
82       return path.substr(0, end);  in find_first_component()
86     if (is_separator(path[0], style))  in find_first_component()
87       return path.substr(0, 1);  in find_first_component()
90     size_t end = path.find_first_of(separators(style));  in find_first_component()
91     return path.substr(0, end);  in find_first_component()
138   size_t parent_path_end(StringRef path, Style style) {  in parent_path_end()  argument
139     size_t end_pos = filename_pos(path, style);  in parent_path_end()
142         path.size() > 0 && is_separator(path[end_pos], style);  in parent_path_end()
145     size_t root_dir_pos = root_dir_start(path, style);  in parent_path_end()
148            is_separator(path[end_pos - 1], style))  in parent_path_end()
178     if (!sys::path::is_absolute(Twine(ModelStorage))) {  in createUniqueEntity()
180       sys::path::system_temp_directory(true, TDir);  in createUniqueEntity()
181       sys::path::append(TDir, Twine(ModelStorage));  in createUniqueEntity()
248 namespace path {  namespace
250 const_iterator begin(StringRef path, Style style) {  in begin()  argument
252   i.Path      = path;  in begin()
253   i.Component = find_first_component(path, style);  in begin()
259 const_iterator end(StringRef path) {  in end()  argument
261   i.Path      = path;  in end()
262   i.Position  = path.size();  in end()
371 StringRef root_path(StringRef path, Style style) {  in root_path()  argument
372   const_iterator b = begin(path, style), pos = b, e = end(path);  in root_path()
381         return path.substr(0, b->size() + pos->size());  in root_path()
397 StringRef root_name(StringRef path, Style style) {  in root_name()  argument
398   const_iterator b = begin(path, style), e = end(path);  in root_name()
414 StringRef root_directory(StringRef path, Style style) {  in root_directory()  argument
415   const_iterator b = begin(path, style), pos = b, e = end(path);  in root_directory()
437 StringRef relative_path(StringRef path, Style style) {  in relative_path()  argument
438   StringRef root = root_path(path, style);  in relative_path()
439   return path.substr(root.size());  in relative_path()
442 void append(SmallVectorImpl<char> &path, Style style, const Twine &a,  in append()  argument
457         !path.empty() && is_separator(path[path.size() - 1], style);  in append()
464       path.append(c.begin(), c.end());  in append()
471         !(path.empty() || has_root_name(component, style))) {  in append()
473       path.push_back(preferred_separator(style));  in append()
476     path.append(component.begin(), component.end());  in append()
480 void append(SmallVectorImpl<char> &path, const Twine &a, const Twine &b,  in append()  argument
482   append(path, Style::native, a, b, c, d);  in append()
485 void append(SmallVectorImpl<char> &path, const_iterator begin,  in append()  argument
488     path::append(path, style, *begin);  in append()
491 StringRef parent_path(StringRef path, Style style) {  in parent_path()  argument
492   size_t end_pos = parent_path_end(path, style);  in parent_path()
496     return path.substr(0, end_pos);  in parent_path()
499 void remove_filename(SmallVectorImpl<char> &path, Style style) {  in remove_filename()  argument
500   size_t end_pos = parent_path_end(StringRef(path.begin(), path.size()), style);  in remove_filename()
502     path.set_size(end_pos);  in remove_filename()
505 void replace_extension(SmallVectorImpl<char> &path, const Twine &extension,  in replace_extension()  argument
507   StringRef p(path.begin(), path.size());  in replace_extension()
514     path.set_size(pos);  in replace_extension()
518     path.push_back('.');  in replace_extension()
521   path.append(ext.begin(), ext.end());  in replace_extension()
542   path::append(NewPath, style, NewPrefix);  in replace_path_prefix()
543   path::append(NewPath, style, RelPath);  in replace_path_prefix()
547 void native(const Twine &path, SmallVectorImpl<char> &result, Style style) {  in native()  argument
548   assert((!path.isSingleStringRef() ||  in native()
549           path.getSingleStringRef().data() != result.data()) &&  in native()
553   path.toVector(result);  in native()
581 std::string convert_to_slash(StringRef path, Style style) {  in convert_to_slash()  argument
583     return path;  in convert_to_slash()
585   std::string s = path.str();  in convert_to_slash()
590 StringRef filename(StringRef path, Style style) { return *rbegin(path, style); }  in filename()  argument
592 StringRef stem(StringRef path, Style style) {  in stem()  argument
593   StringRef fname = filename(path, style);  in stem()
605 StringRef extension(StringRef path, Style style) {  in extension()  argument
606   StringRef fname = filename(path, style);  in extension()
632 bool has_root_name(const Twine &path, Style style) {  in has_root_name()  argument
634   StringRef p = path.toStringRef(path_storage);  in has_root_name()
639 bool has_root_directory(const Twine &path, Style style) {  in has_root_directory()  argument
641   StringRef p = path.toStringRef(path_storage);  in has_root_directory()
646 bool has_root_path(const Twine &path, Style style) {  in has_root_path()  argument
648   StringRef p = path.toStringRef(path_storage);  in has_root_path()
653 bool has_relative_path(const Twine &path, Style style) {  in has_relative_path()  argument
655   StringRef p = path.toStringRef(path_storage);  in has_relative_path()
660 bool has_filename(const Twine &path, Style style) {  in has_filename()  argument
662   StringRef p = path.toStringRef(path_storage);  in has_filename()
667 bool has_parent_path(const Twine &path, Style style) {  in has_parent_path()  argument
669   StringRef p = path.toStringRef(path_storage);  in has_parent_path()
674 bool has_stem(const Twine &path, Style style) {  in has_stem()  argument
676   StringRef p = path.toStringRef(path_storage);  in has_stem()
681 bool has_extension(const Twine &path, Style style) {  in has_extension()  argument
683   StringRef p = path.toStringRef(path_storage);  in has_extension()
688 bool is_absolute(const Twine &path, Style style) {  in is_absolute()  argument
690   StringRef p = path.toStringRef(path_storage);  in is_absolute()
699 bool is_relative(const Twine &path, Style style) {  in is_relative()  argument
700   return !is_absolute(path, style);  in is_relative()
713 static SmallString<256> remove_dots(StringRef path, bool remove_dot_dot,  in remove_dots()  argument
718   StringRef rel = path::relative_path(path, style);  in remove_dots()
720        llvm::make_range(path::begin(rel, style), path::end(rel))) {  in remove_dots()
729       if (path::is_absolute(path, style))  in remove_dots()
735   SmallString<256> buffer = path::root_path(path, style);  in remove_dots()
737     path::append(buffer, style, C);  in remove_dots()
741 bool remove_dots(SmallVectorImpl<char> &path, bool remove_dot_dot,  in remove_dots()  argument
743   StringRef p(path.data(), path.size());  in remove_dots()
746   if (result == path)  in remove_dots()
749   path.swap(result);  in remove_dots()
853                    SmallVectorImpl<char> &path) {  in make_absolute()  argument
854   StringRef p(path.data(), path.size());  in make_absolute()
856   bool rootDirectory = path::has_root_directory(p);  in make_absolute()
858       (real_style(Style::native) != Style::windows) || path::has_root_name(p);  in make_absolute()
871     path::append(current_dir, p);  in make_absolute()
873     path.swap(current_dir);  in make_absolute()
878     StringRef cdrn = path::root_name(current_dir);  in make_absolute()
880     path::append(curDirRootName, p);  in make_absolute()
882     path.swap(curDirRootName);  in make_absolute()
887     StringRef pRootName      = path::root_name(p);  in make_absolute()
888     StringRef bRootDirectory = path::root_directory(current_dir);  in make_absolute()
889     StringRef bRelativePath  = path::relative_path(current_dir);  in make_absolute()
890     StringRef pRelativePath  = path::relative_path(p);  in make_absolute()
893     path::append(res, pRootName, bRootDirectory, bRelativePath, pRelativePath);  in make_absolute()
894     path.swap(res);  in make_absolute()
902 std::error_code make_absolute(SmallVectorImpl<char> &path) {  in make_absolute()  argument
903   if (path::is_absolute(path))  in make_absolute()
910   make_absolute(current_dir, path);  in make_absolute()
928   StringRef Parent = path::parent_path(P);  in create_directories()
1041 std::error_code is_directory(const Twine &path, bool &result) {  in is_directory()  argument
1043   if (std::error_code ec = status(path, st))  in is_directory()
1053 std::error_code is_regular_file(const Twine &path, bool &result) {  in is_regular_file()  argument
1055   if (std::error_code ec = status(path, st))  in is_regular_file()
1065 std::error_code is_symlink_file(const Twine &path, bool &result) {  in is_symlink_file()  argument
1067   if (std::error_code ec = status(path, st, false))  in is_symlink_file()
1089   SmallString<128> PathStr = path::parent_path(Path);  in replace_filename()
1090   path::append(PathStr, Filename);  in replace_filename()