- MCDwarfFileTable &Table = MCDwarfFileTablesCUMap[CUID];
- SmallVectorImpl<MCDwarfFile>& MCDwarfFiles = Table.getMCDwarfFiles();
- SmallVectorImpl<std::string>& MCDwarfDirs = Table.getMCDwarfDirs();
- // Make space for this FileNumber in the MCDwarfFiles vector if needed.
- if (FileNumber >= MCDwarfFiles.size()) {
- MCDwarfFiles.resize(FileNumber + 1);
- }
-
- // Get the new MCDwarfFile slot for this FileNumber.
- MCDwarfFile &File = MCDwarfFiles[FileNumber];
-
- // It is an error to use see the same number more than once.
- if (!File.Name.empty())
- return 0;
-
- if (Directory.empty()) {
- // Separate the directory part from the basename of the FileName.
- StringRef tFileName = sys::path::filename(FileName);
- if (!tFileName.empty()) {
- Directory = sys::path::parent_path(FileName);
- if (!Directory.empty())
- FileName = tFileName;
- }
- }
-
- // Find or make an entry in the MCDwarfDirs vector for this Directory.
- // Capture directory name.
- unsigned DirIndex;
- if (Directory.empty()) {
- // For FileNames with no directories a DirIndex of 0 is used.
- DirIndex = 0;
- } else {
- DirIndex = 0;
- for (unsigned End = MCDwarfDirs.size(); DirIndex < End; DirIndex++) {
- if (Directory == MCDwarfDirs[DirIndex])
- break;
- }
- if (DirIndex >= MCDwarfDirs.size())
- MCDwarfDirs.push_back(Directory);
- // The DirIndex is one based, as DirIndex of 0 is used for FileNames with
- // no directories. MCDwarfDirs[] is unlike MCDwarfFiles[] in that the
- // directory names are stored at MCDwarfDirs[DirIndex-1] where FileNames
- // are stored at MCDwarfFiles[FileNumber].Name .
- DirIndex++;
- }
-
- File.Name = FileName;
- File.DirIndex = DirIndex;
-
- // return the allocated FileNumber.
- return FileNumber;