lib/MC/MCContext.cpp

338                                  unsigned FileNumber, unsigned CUID) {
339   // TODO: a FileNumber of zero says to use the next available file number.
340   // Note: in GenericAsmParser::ParseDirectiveFile() FileNumber was checked
345   // Make space for this FileNumber in the MCDwarfFiles vector if needed.
346   if (FileNumber >= MCDwarfFiles.size()) {
347     MCDwarfFiles.resize(FileNumber + 1);
349     MCDwarfFile *&ExistingFile = MCDwarfFiles[FileNumber];
355   // Get the new MCDwarfFile slot for this FileNumber.
356   MCDwarfFile *&File = MCDwarfFiles[FileNumber];
388     // are stored at MCDwarfFiles[FileNumber].Name .
398   // return the allocated FileNumber.
399   return FileNumber;
404 bool MCContext::isValidDwarfFileNumber(unsigned FileNumber, unsigned CUID) {
406   if(FileNumber == 0 || FileNumber >= MCDwarfFiles.size())
409   return MCDwarfFiles[FileNumber] != 0;