247 struct SourceColumnMap {  struct
248   SourceColumnMap(StringRef SourceLine, unsigned TabStop)  in SourceColumnMap()  argument
260   int columns() const { return m_byteToColumn.back(); }  in columns()
261   int bytes() const { return m_columnToByte.back(); }  in bytes()
265   int byteToColumn(int n) const {  in byteToColumn()
271   int byteToContainingColumn(int N) const {  in byteToContainingColumn()
281   int columnToByte(int n) const {  in columnToByte()
287   int startOfNextColumn(int N) const {  in startOfNextColumn()
294   int startOfPreviousColumn(int N) const {  in startOfPreviousColumn()
300   StringRef getSourceLine() const {  in getSourceLine()
305   const std::string m_SourceLine;
306   SmallVector<int,200> m_byteToColumn;
307   SmallVector<int,200> m_columnToByte;